/*
TemplateMo 621 Luminary
https://templatemo.com/tm-621-luminary
*/

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --base-deep: #F4F5F7;
  --base-mid: #FFFFFF;
  --base-soft: #E8EAED;
  --slate-warm: #5C6574;
  --slate-light: #6B7280;
  --graphite: #374151;
  --graphite-soft: #4B5563;
  --ivory: #141820;
  --ivory-muted: #374151;
  --silver: #8891A0;
  --panel-bg: rgba(255, 255, 255, 0.92);
  --panel-border: rgba(15, 23, 42, 0.1);
  --surface-muted: rgba(255, 255, 255, 0.88);
  --surface-soft: rgba(241, 243, 246, 0.95);
  --shadow-soft: 0 8px 32px rgba(15, 23, 42, 0.08);
  --shadow-medium: 0 16px 48px rgba(15, 23, 42, 0.1);
  --silk-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --trade-water: #4A8FD4;
  --trade-heat: #D97E3A;
  --trade-cool: #4FB8D4;
  --trade-power: #D4AD2E;
}

html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: 130px; }

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--base-deep);
  color: var(--ivory);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.is-loading { overflow: hidden; }

/* ══════════════════════════════════
   PRELOADER
   ══════════════════════════════════ */
.site-preloader {
  --pld-accent: var(--trade-water);
  --pld-accent-soft: rgba(74, 143, 212, 0.22);
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
  transition: opacity 0.85s var(--silk-ease), visibility 0.85s var(--silk-ease);
}
.site-preloader[data-trade="heat"] { --pld-accent: var(--trade-heat); --pld-accent-soft: rgba(217, 126, 58, 0.22); }
.site-preloader[data-trade="cool"] { --pld-accent: var(--trade-cool); --pld-accent-soft: rgba(79, 184, 212, 0.22); }
.site-preloader[data-trade="power"] { --pld-accent: var(--trade-power); --pld-accent-soft: rgba(212, 173, 46, 0.22); }
.site-preloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.site-preloader.is-exiting .preloader-stage {
  transform: scale(1.04) translateY(-8px);
  opacity: 0;
}

.preloader-scene {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(74, 143, 212, 0.12), transparent 70%),
    radial-gradient(ellipse 50% 40% at 15% 80%, rgba(217, 126, 58, 0.08), transparent 65%),
    radial-gradient(ellipse 45% 35% at 85% 20%, rgba(79, 184, 212, 0.1), transparent 60%),
    var(--base-deep);
}
.preloader-mesh {
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(ellipse at 30% 40%, var(--pld-accent-soft), transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(110, 196, 219, 0.1), transparent 45%);
  animation: preloaderMeshDrift 8s ease-in-out infinite alternate;
}
.preloader-rings {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.preloader-ring-burst {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--pld-accent-soft);
  animation: preloaderRingBurst 4.5s ease-out infinite;
}
.preloader-ring-burst:nth-child(1) { width: 180px; height: 180px; }
.preloader-ring-burst:nth-child(2) { width: 320px; height: 320px; animation-delay: 1.5s; }
.preloader-ring-burst:nth-child(3) { width: 480px; height: 480px; animation-delay: 3s; }
.preloader-particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--pld-accent);
  box-shadow: 0 0 10px var(--pld-accent);
  animation: preloaderParticle 7s ease-in-out infinite;
}
.preloader-particles span:nth-child(1) { left: 10%; top: 18%; animation-delay: 0s; }
.preloader-particles span:nth-child(2) { left: 24%; top: 72%; animation-delay: 1.1s; }
.preloader-particles span:nth-child(3) { left: 48%; top: 12%; animation-delay: 2.2s; }
.preloader-particles span:nth-child(4) { left: 68%; top: 58%; animation-delay: 0.6s; }
.preloader-particles span:nth-child(5) { left: 82%; top: 24%; animation-delay: 3.1s; }
.preloader-particles span:nth-child(6) { left: 14%; top: 44%; animation-delay: 1.8s; }
.preloader-particles span:nth-child(7) { left: 56%; top: 82%; animation-delay: 4s; }
.preloader-particles span:nth-child(8) { left: 88%; top: 68%; animation-delay: 2.5s; }
.preloader-beam {
  position: absolute;
  top: -10%;
  width: 1px;
  height: 120%;
  background: linear-gradient(to bottom, transparent, var(--pld-accent-soft), transparent);
  transform-origin: top center;
  opacity: 0.45;
  animation: preloaderBeamSweep 6s ease-in-out infinite;
}
.preloader-beam-a { left: 32%; animation-delay: 0s; }
.preloader-beam-b { left: 68%; animation-delay: -3s; }
.preloader-scanline {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(74, 143, 212, 0.04) 50%, transparent 100%);
  background-size: 100% 220%;
  animation: preloaderScan 3.5s linear infinite;
  pointer-events: none;
}

.preloader-stage {
  position: relative;
  z-index: 2;
  width: min(100%, 420px);
  transition: transform 0.85s var(--silk-ease), opacity 0.85s var(--silk-ease);
  animation: preloaderStageIn 1s var(--silk-ease) both;
}
.preloader-frame {
  position: relative;
  padding: 28px 32px 32px;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(244, 245, 247, 0.95) 100%);
  border: 1px solid var(--panel-border);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 24px 64px rgba(15, 23, 42, 0.12),
    0 0 0 1px rgba(255, 255, 255, 0.6);
  overflow: hidden;
}
.preloader-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(91, 155, 213, 0.035) 0, rgba(91, 155, 213, 0.035) 1px, transparent 1px, transparent 24px),
    repeating-linear-gradient(0deg, rgba(232, 146, 74, 0.025) 0, rgba(232, 146, 74, 0.025) 1px, transparent 1px, transparent 24px);
  pointer-events: none;
}
.preloader-rivet {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  z-index: 3;
  background: radial-gradient(circle at 35% 30%, #9aa3ad, #4a5058);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.15);
}
.preloader-rivet-tl { top: 14px; left: 14px; }
.preloader-rivet-tr { top: 14px; right: 14px; }
.preloader-rivet-bl { bottom: 14px; left: 14px; }
.preloader-rivet-br { bottom: 14px; right: 14px; }
.preloader-conduit {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 16px;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(180deg, #c8d0d8 0%, #9aa8b4 50%, #b8c4ce 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
  z-index: 2;
}
.preloader-flow {
  position: absolute;
  left: 20px;
  bottom: 17px;
  width: 56px;
  height: 4px;
  border-radius: 2px;
  z-index: 3;
  opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(79, 184, 212, 0.85), rgba(180, 235, 255, 1), rgba(79, 184, 212, 0.85), transparent);
}
.preloader-flow-2 {
  filter: hue-rotate(35deg);
  width: 42px;
}

.preloader-hud {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-bottom: 18px;
}
.preloader-hud-chip {
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 5px;
  border: 1px solid transparent;
  color: var(--slate-warm);
  background: rgba(255, 255, 255, 0.6);
  transition: transform 0.45s var(--silk-ease), box-shadow 0.45s var(--silk-ease), opacity 0.45s var(--silk-ease);
  opacity: 0.45;
}
.preloader-hud-chip.active {
  opacity: 1;
  transform: translateY(-1px) scale(1.04);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
}
.preloader-hud-chip[data-trade="water"].active { color: #2A6FA8; background: rgba(91,155,213,0.14); border-color: rgba(91,155,213,0.24); }
.preloader-hud-chip[data-trade="heat"].active { color: #B8622A; background: rgba(232,146,74,0.14); border-color: rgba(232,146,74,0.24); }
.preloader-hud-chip[data-trade="cool"].active { color: #2E8FA8; background: rgba(110,196,219,0.14); border-color: rgba(110,196,219,0.24); }
.preloader-hud-chip[data-trade="power"].active { color: #9A7A1A; background: rgba(232,197,71,0.14); border-color: rgba(232,197,71,0.22); }

.preloader-diorama {
  position: relative;
  z-index: 1;
  height: 88px;
  margin-bottom: 12px;
  border-radius: 18px;
  background: rgba(241, 243, 246, 0.75);
  border: 1px solid var(--panel-border);
  overflow: hidden;
  transition: box-shadow 0.6s var(--silk-ease);
  box-shadow: inset 0 0 24px var(--pld-accent-soft);
}
.pld-layer { position: absolute; inset: 0; pointer-events: none; }

.pld-pipe {
  position: absolute;
  background: linear-gradient(90deg, #7eb8d8, #4a8ab0, #7eb8d8);
  background-size: 200% 100%;
  animation: pldPipeFlow 1.2s linear infinite;
  border-radius: 3px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35);
}
.pld-pipe-h { left: 12%; top: 38%; width: 36%; height: 8px; }
.pld-pipe-v { left: 44%; top: 22%; width: 8px; height: 42%; animation-delay: -0.4s; }
.pld-valve {
  position: absolute;
  left: 41%;
  top: 50%;
  width: 16px;
  height: 16px;
  margin-top: -8px;
  border-radius: 50%;
  background: #d94848;
  border: 2px solid #a82828;
  animation: pldValvePulse 1.6s ease-in-out infinite;
}
.pld-boiler-body {
  position: absolute;
  right: 14%;
  top: 24%;
  width: 34px;
  height: 46px;
  border-radius: 8px;
  background: linear-gradient(180deg, #e8ecf0, #b8c4ce);
  border: 1px solid #94a3b8;
  opacity: 0.28;
  transform: none;
  transition: opacity 0.45s var(--silk-ease), box-shadow 0.45s var(--silk-ease);
}
.pld-boiler-dial {
  position: absolute;
  right: 21%;
  top: 38%;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid #64748b;
  opacity: 0.28;
  will-change: transform;
  transform-origin: center center;
}
.pld-boiler-dial::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 7px;
  margin: -7px 0 0 -1px;
  background: #d97e3a;
  transform-origin: bottom center;
}
.pld-ac-unit {
  position: absolute;
  left: 58%;
  top: 18%;
  width: 52px;
  height: 28px;
  border-radius: 6px;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  opacity: 0.28;
  transform: none;
  transition: opacity 0.45s var(--silk-ease), box-shadow 0.45s var(--silk-ease);
}
.pld-ac-fan {
  position: absolute;
  left: 66%;
  top: 54%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #94a3b8;
  opacity: 0.28;
  will-change: transform;
  transform-origin: center center;
}
.pld-ac-fan::before,
.pld-ac-fan::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: linear-gradient(#6ec4db, #6ec4db) center/2px 100% no-repeat,
              linear-gradient(#6ec4db, #6ec4db) center/100% 2px no-repeat;
}
.pld-panel {
  position: absolute;
  left: 10%;
  top: 18%;
  width: 38px;
  height: 52px;
  border-radius: 6px;
  background: #2a2818;
  border: 2px solid #8a7028;
  opacity: 0.28;
  transform: none;
  transition: opacity 0.45s var(--silk-ease), box-shadow 0.45s var(--silk-ease);
}
.pld-breaker {
  display: block;
  width: 24px;
  height: 6px;
  margin: 8px auto 0;
  border-radius: 2px;
  background: #1a1810;
  border: 1px solid #64748b;
}
.pld-breaker.active {
  border-color: #e8c547;
  box-shadow: 0 0 8px rgba(232, 197, 71, 0.55);
  animation: pldBreakerBlink 1.2s ease-in-out infinite;
}
.pld-drops span {
  position: absolute;
  width: 5px;
  height: 8px;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  background: #6ec4db;
  opacity: 0.55;
  animation: pldDropFall 1.4s ease-in infinite;
}
.pld-drops span:nth-child(1) { left: 46%; top: 30%; animation-delay: 0s; }
.pld-drops span:nth-child(2) { left: 48%; top: 28%; animation-delay: 0.5s; }
.pld-drops span:nth-child(3) { left: 50%; top: 32%; animation-delay: 1s; }
.pld-sparks span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #e8c547;
  box-shadow: 0 0 10px #e8c547;
  opacity: 0.85;
  animation: pldSpark 1s ease-out infinite;
}
.pld-sparks span:nth-child(1) { left: 22%; top: 42%; animation-delay: 0s; }
.pld-sparks span:nth-child(2) { left: 26%; top: 50%; animation-delay: 0.45s; }
.pld-sparks span:nth-child(3) { left: 20%; top: 56%; animation-delay: 0.9s; }

.preloader-diorama[data-trade="water"] .pld-drops span { opacity: 1; }
.preloader-diorama[data-trade="water"] .pld-pipes .pld-valve { transform: scale(1.08); }
.preloader-diorama[data-trade="heat"] .pld-boiler-body,
.preloader-diorama[data-trade="heat"] .pld-boiler-dial { opacity: 1; box-shadow: 0 0 16px rgba(217, 126, 58, 0.2); }
.preloader-diorama[data-trade="cool"] .pld-ac-unit,
.preloader-diorama[data-trade="cool"] .pld-ac-fan { opacity: 1; box-shadow: 0 0 16px rgba(79, 184, 212, 0.2); }
.preloader-diorama[data-trade="power"] .pld-panel { opacity: 1; box-shadow: 0 0 16px rgba(212, 173, 46, 0.25); }

.preloader-core {
  position: relative;
  width: 148px;
  height: 148px;
  margin: 0 auto 24px;
}
.preloader-orbit-ring {
  position: absolute;
  inset: 0;
  will-change: transform;
  transform-origin: center center;
}
.preloader-orbit-ring-2 { inset: 10px; }
.preloader-orbit-ring-3 { inset: 20px; }
.preloader-orbit-ring-4 { inset: 30px; }
.preloader-orbit-dot {
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  box-shadow: 0 0 16px currentColor;
}
.preloader-orbit-ring-1 .preloader-orbit-dot { background: var(--trade-water); color: var(--trade-water); }
.preloader-orbit-ring-2 .preloader-orbit-dot { background: var(--trade-heat); color: var(--trade-heat); }
.preloader-orbit-ring-3 .preloader-orbit-dot { background: var(--trade-cool); color: var(--trade-cool); }
.preloader-orbit-ring-4 .preloader-orbit-dot { background: var(--trade-power); color: var(--trade-power); }

.preloader-icon-shell {
  position: absolute;
  inset: 38px;
  display: grid;
  place-items: center;
}
.preloader-icon-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px dashed transparent;
  border-top-color: var(--pld-accent);
  border-right-color: var(--pld-accent);
  will-change: transform;
  transform-origin: center center;
}
.preloader-icon-glow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, var(--pld-accent-soft), transparent 70%);
  will-change: transform, opacity;
}
.preloader-icon {
  position: relative;
  z-index: 2;
  width: 80px;
  height: 80px;
  object-fit: contain;
  will-change: transform, filter;
  filter: drop-shadow(0 10px 24px rgba(74, 143, 212, 0.35));
}

.site-preloader.is-live .preloader-orbit-ring,
.site-preloader.is-live .preloader-icon-ring,
.site-preloader.is-live .preloader-icon,
.site-preloader.is-live .preloader-flow {
  animation: none !important;
}
.site-preloader.is-live .preloader-flow {
  will-change: transform, opacity;
  opacity: 0;
}
.site-preloader.is-live .preloader-progress-shimmer {
  animation: none;
  will-change: transform;
}
.site-preloader.is-live .pld-pipe,
.site-preloader.is-live .pld-valve {
  animation: none;
}

.preloader-progress-wrap {
  position: relative;
  z-index: 2;
  margin-bottom: 16px;
}
.preloader-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.preloader-progress-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate-warm);
  transition: opacity 0.35s var(--silk-ease);
}
.preloader-progress-label.is-changing { opacity: 0.35; }
.preloader-progress-pct {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--pld-accent);
  font-variant-numeric: tabular-nums;
}
.preloader-progress {
  position: relative;
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--base-soft);
  border: 1px solid var(--panel-border);
}
.preloader-progress-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.45), transparent);
  transform: translateX(-100%);
  animation: preloaderBarShimmer 1.4s ease-in-out infinite;
}
.preloader-progress-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--trade-water), var(--trade-cool), var(--trade-heat), var(--trade-power));
  background-size: 240% 100%;
  animation: preloaderBarHue 2.4s linear infinite;
  transition: width 0.35s var(--silk-ease);
  box-shadow: 0 0 16px var(--pld-accent-soft);
}
.preloader-brand {
  position: relative;
  z-index: 2;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ivory);
  text-align: center;
}

@keyframes preloaderStageIn {
  from { opacity: 0; transform: translateY(24px) scale(0.94); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes preloaderMeshDrift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(3%, -2%) scale(1.06); }
}
@keyframes preloaderRingBurst {
  0% { transform: scale(0.85); opacity: 0.55; }
  100% { transform: scale(1.35); opacity: 0; }
}
@keyframes preloaderParticle {
  0%, 100% { transform: translate(0, 0); opacity: 0.35; }
  50% { transform: translate(12px, -18px); opacity: 1; }
}
@keyframes preloaderBeamSweep {
  0%, 100% { transform: rotate(-18deg); opacity: 0.2; }
  50% { transform: rotate(18deg); opacity: 0.55; }
}
@keyframes preloaderScan {
  from { background-position: 0 -220%; }
  to { background-position: 0 220%; }
}
@keyframes preloaderFlowMove {
  0% { transform: translateX(0); opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { transform: translateX(340px); opacity: 0; }
}
@keyframes preloaderOrbitSpin { to { transform: rotate(360deg); } }
@keyframes preloaderIconFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-5px) scale(1.05); }
}
@keyframes preloaderGlowPulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.12); }
}
@keyframes preloaderBarShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(320%); }
}
@keyframes preloaderBarHue {
  to { background-position: 240% 0; }
}
@keyframes pldPipeFlow { to { background-position: 200% 0; } }
@keyframes pldValvePulse {
  0%, 100% { box-shadow: 0 0 0 rgba(217, 72, 72, 0.4); }
  50% { box-shadow: 0 0 12px rgba(217, 72, 72, 0.65); }
}
@keyframes pldDialSpin { to { transform: rotate(360deg); } }
@keyframes pldFanSpin { to { transform: rotate(360deg); } }
@keyframes pldBreakerBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
@keyframes pldDropFall {
  0% { transform: translateY(0); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translateY(28px); opacity: 0; }
}
@keyframes pldSpark {
  0% { transform: scale(0); opacity: 0; }
  30% { transform: scale(1.4); opacity: 1; }
  100% { transform: scale(0); opacity: 0; }
}

/* ── Grain ── */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  opacity: 0.018; mix-blend-mode: multiply;
}

/* ── BG ── */
.atmosphere {
  position: fixed; inset: 0; z-index: 0;
  background: linear-gradient(180deg, #FFFFFF 0%, #F7F8FA 35%, #EEF0F3 70%, #F4F5F7 100%);
}

/* ── Site Header ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 600;
  padding: calc(18px + env(safe-area-inset-top, 0px)) 28px 0;
  pointer-events: none;
  transition: padding 0.8s var(--silk-ease), box-shadow 0.8s var(--silk-ease);
}
.site-header.scrolled {
  padding-top: calc(10px + env(safe-area-inset-top, 0px));
  box-shadow: none;
}

/* ── Nav ── */
.top-nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 0;
  background: transparent; border: none;
  pointer-events: auto;
}
.nav-shell {
  position: relative;
  display: flex; align-items: center; gap: 14px;
  flex: 1; min-width: 0;
  padding: 10px 14px 12px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 249, 251, 0.98) 100%);
  backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(15, 23, 42, 0.04),
    var(--shadow-medium);
  overflow: hidden;
  transition: background 0.8s var(--silk-ease), box-shadow 0.8s var(--silk-ease), padding 0.8s var(--silk-ease);
}
.nav-panel-bg {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.nav-panel-bg::before {
  content: '';
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(91, 155, 213, 0.03) 0, rgba(91, 155, 213, 0.03) 1px, transparent 1px, transparent 24px),
    repeating-linear-gradient(0deg, rgba(232, 146, 74, 0.02) 0, rgba(232, 146, 74, 0.02) 1px, transparent 1px, transparent 24px);
  opacity: 0.8;
}
.nav-conduit {
  position: absolute; left: 14px; right: 14px; bottom: 6px; height: 5px;
  border-radius: 3px;
  background: linear-gradient(180deg, #3a5060 0%, #1a2830 45%, #4a6878 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 2px 6px rgba(0,0,0,0.3);
}
.nav-flow {
  position: absolute; left: 14px; bottom: 7px; width: 40px; height: 3px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(110,196,219,0.9), rgba(180,235,255,1), rgba(110,196,219,0.9), transparent);
  animation: navFlow 3.5s linear infinite;
}
@keyframes navFlow {
  0% { transform: translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(calc(100vw - 120px)); opacity: 0; }
}
.nav-rivet {
  position: absolute; width: 6px; height: 6px; border-radius: 50%; z-index: 2;
  background: radial-gradient(circle at 35% 30%, #7a8490, #3a4048);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.15), 0 1px 2px rgba(0,0,0,0.4);
}
.nav-rivet-tl { top: 8px; left: 8px; }
.nav-rivet-tr { top: 8px; right: 8px; }
.nav-rivet-bl { bottom: 8px; left: 8px; }
.nav-rivet-br { bottom: 8px; right: 8px; }

.nav-shell::before {
  content: '';
  position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(91, 155, 213, 0.35) 0%,
    rgba(232, 146, 74, 0.2) 35%,
    rgba(110, 196, 219, 0.15) 55%,
    rgba(232, 197, 71, 0.22) 75%,
    rgba(91, 155, 213, 0.3) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0.65; pointer-events: none;
}
.site-header.scrolled .nav-shell {
  padding: 8px 12px 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(244, 245, 247, 0.99) 100%);
  box-shadow: var(--shadow-medium);
}

.nav-brand {
  display: inline-flex; align-items: center; gap: 12px;
  text-decoration: none; flex-shrink: 0; position: relative; z-index: 1;
  padding-right: 14px;
  border-right: 1px solid var(--panel-border);
}
.nav-brand-logo-wrap {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 10px;
  line-height: 0;
}
.nav-brand-logo {
  display: block;
  height: 56px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  transform-origin: center center;
  transition: transform 0.55s var(--silk-ease), filter 0.55s var(--silk-ease);
}
.nav-brand-logo-shine {
  position: absolute;
  inset: -10% -20%;
  background: linear-gradient(
    105deg,
    transparent 38%,
    rgba(255, 255, 255, 0.65) 50%,
    rgba(110, 196, 219, 0.35) 54%,
    transparent 62%
  );
  transform: translateX(-130%) skewX(-12deg);
  opacity: 0;
  pointer-events: none;
}
.nav-brand:hover .nav-brand-logo {
  animation: logoHoverGlow 1s var(--silk-ease) forwards;
}
.nav-brand:hover .nav-brand-logo-shine {
  animation: logoShineSweep 1s var(--silk-ease) forwards;
}
@keyframes logoHoverGlow {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 0 0 transparent);
  }
  30% {
    transform: scale(1.07);
    filter:
      drop-shadow(0 0 10px rgba(110, 196, 219, 0.65))
      drop-shadow(0 0 22px rgba(74, 143, 212, 0.35))
      brightness(1.08);
  }
  55% {
    transform: scale(1.04);
    filter:
      drop-shadow(0 0 14px rgba(79, 184, 212, 0.75))
      drop-shadow(0 0 26px rgba(74, 143, 212, 0.3))
      brightness(1.12);
  }
  100% {
    transform: scale(1.05);
    filter:
      drop-shadow(0 0 12px rgba(79, 184, 212, 0.55))
      drop-shadow(0 0 20px rgba(74, 143, 212, 0.22))
      brightness(1.06);
  }
}
@keyframes logoShineSweep {
  0% { transform: translateX(-130%) skewX(-12deg); opacity: 0; }
  15% { opacity: 1; }
  100% { transform: translateX(130%) skewX(-12deg); opacity: 0; }
}
.nav-trade-chip {
  display: inline-block;
  font-size: 7px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 6px; border-radius: 4px; line-height: 1;
  border: 1px solid transparent;
}
.nav-trade-water { color: #2A6FA8; background: rgba(91,155,213,0.14); border-color: rgba(91,155,213,0.24); }
.nav-trade-heat { color: #B8622A; background: rgba(232,146,74,0.14); border-color: rgba(232,146,74,0.24); }
.nav-trade-cool { color: #2E8FA8; background: rgba(110,196,219,0.14); border-color: rgba(110,196,219,0.24); }
.nav-trade-power { color: #9A7A1A; background: rgba(232,197,71,0.14); border-color: rgba(232,197,71,0.22); }

.nav-links-wrap {
  position: relative; z-index: 1;
  margin: 0 auto;
  padding: 4px;
  border-radius: 12px;
  background: rgba(241, 243, 246, 0.9);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), inset 0 1px 4px rgba(15, 23, 42, 0.04);
}
.nav-pill {
  position: absolute; top: 4px; left: 0;
  height: calc(100% - 8px); width: 0;
  border-radius: 9px;
  background: rgba(91, 155, 213, 0.16);
  border: 1px solid rgba(91, 155, 213, 0.28);
  box-shadow: 0 4px 16px rgba(91, 155, 213, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: left 0.55s var(--silk-ease), width 0.55s var(--silk-ease), opacity 0.35s ease, background 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
  pointer-events: none; opacity: 0;
  box-sizing: border-box;
}
.nav-pill.is-visible { opacity: 1; }
.nav-pill[data-trade="plumbing"] {
  background: rgba(91, 155, 213, 0.16); border-color: rgba(91, 155, 213, 0.3);
  box-shadow: 0 4px 16px rgba(91, 155, 213, 0.12);
}
.nav-pill[data-trade="heating"] {
  background: rgba(232, 146, 74, 0.14); border-color: rgba(232, 146, 74, 0.28);
  box-shadow: 0 4px 16px rgba(232, 146, 74, 0.1);
}
.nav-pill[data-trade="cooling"] {
  background: rgba(110, 196, 219, 0.14); border-color: rgba(110, 196, 219, 0.28);
  box-shadow: 0 4px 16px rgba(110, 196, 219, 0.1);
}
.nav-pill[data-trade="electrical"] {
  background: rgba(232, 197, 71, 0.12); border-color: rgba(232, 197, 71, 0.26);
  box-shadow: 0 4px 16px rgba(232, 197, 71, 0.08);
}
.nav-links {
  position: relative; z-index: 1;
  display: flex; gap: 2px; list-style: none; align-items: center; margin: 0;
}
.nav-links a {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 9px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate-warm); text-decoration: none;
  padding: 9px 12px; border-radius: 9px;
  transition: color 0.5s var(--silk-ease), background 0.5s var(--silk-ease);
  white-space: nowrap;
}
.nav-links a svg {
  width: 14px; height: 14px; flex-shrink: 0; opacity: 0.55;
  transition: opacity 0.5s ease, color 0.5s ease;
}
.nav-links a:hover { color: var(--ivory); background: rgba(15, 23, 42, 0.04); }
.nav-links a:hover svg { opacity: 0.85; }
.nav-links a.active { color: var(--ivory); }
.nav-links a.active svg { opacity: 1; }
.nav-links a[data-trade="plumbing"].active svg { color: var(--trade-water); }
.nav-links a[data-trade="heating"].active svg { color: var(--trade-heat); }
.nav-links a[data-trade="cooling"].active svg { color: var(--trade-cool); }
.nav-links a[data-trade="electrical"].active svg { color: var(--trade-power); }

/* ── Nav dropdown (desktop only) ── */
@media (min-width: 1025px) {
  .nav-shell { overflow: visible; }
  .nav-links-wrap { overflow: visible; }
}
.nav-item-has-dropdown { position: relative; }
.nav-item-has-dropdown::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 14px;
  display: none;
}
@media (min-width: 1025px) {
  .nav-item-has-dropdown::after { display: block; }
}
.nav-link-with-dropdown .nav-dropdown-chevron {
  width: 10px;
  height: 10px;
  margin-left: 2px;
  opacity: 0.55;
  transition: transform 0.45s var(--silk-ease), opacity 0.45s var(--silk-ease);
}
.nav-item-has-dropdown:hover .nav-link-with-dropdown .nav-dropdown-chevron,
.nav-item-has-dropdown:focus-within .nav-link-with-dropdown .nav-dropdown-chevron {
  transform: rotate(180deg);
  opacity: 0.9;
}
.nav-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  z-index: 20;
  min-width: 268px;
  padding: 10px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 249, 251, 0.98) 100%);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-medium);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(8px);
  transition: opacity 0.35s var(--silk-ease), transform 0.35s var(--silk-ease), visibility 0.35s;
}
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  background: rgba(255, 255, 255, 0.98);
  border-left: 1px solid var(--panel-border);
  border-top: 1px solid var(--panel-border);
  transform: rotate(45deg);
}
.nav-item-has-dropdown:hover .nav-dropdown,
.nav-item-has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-link {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--slate-light);
  line-height: 1.45;
  transition: color 0.4s var(--silk-ease), background 0.4s var(--silk-ease);
}
.nav-dropdown-link:hover,
.nav-dropdown-link.is-current {
  color: var(--ivory);
  background: rgba(15, 23, 42, 0.04);
}
.nav-dropdown-link-all {
  margin-bottom: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  color: var(--graphite);
}
.nav-dropdown-link[data-trade="plumbing"]:hover,
.nav-dropdown-link[data-trade="plumbing"].is-current { background: rgba(91, 155, 213, 0.1); }
.nav-dropdown-link[data-trade="heating"]:hover,
.nav-dropdown-link[data-trade="heating"].is-current { background: rgba(232, 146, 74, 0.1); }
.nav-dropdown-link[data-trade="cooling"]:hover,
.nav-dropdown-link[data-trade="cooling"].is-current { background: rgba(110, 196, 219, 0.1); }
.nav-dropdown-link[data-trade="electrical"]:hover,
.nav-dropdown-link[data-trade="electrical"].is-current { background: rgba(232, 197, 71, 0.1); }

.nav-actions {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0; position: relative; z-index: 1;
  padding-left: 12px;
  border-left: 1px solid var(--panel-border);
}
.nav-location {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 10px; border-radius: 8px;
  font-size: 8px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate-light);
  background: rgba(232, 146, 74, 0.05);
  border: 1px solid rgba(232, 146, 74, 0.12);
  white-space: nowrap;
}
.nav-location svg { width: 12px; height: 12px; color: var(--trade-heat); flex-shrink: 0; opacity: 0.85; }
.nav-email {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 9px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate-light); text-decoration: none; padding: 9px 14px;
  border-radius: 10px;
  border: 1px solid rgba(91, 155, 213, 0.18);
  background: rgba(91, 155, 213, 0.06);
  transition: color 0.6s var(--silk-ease), border-color 0.6s var(--silk-ease), background 0.6s var(--silk-ease), transform 0.6s var(--silk-ease);
}
.nav-email svg { width: 13px; height: 13px; color: var(--trade-water); flex-shrink: 0; opacity: 0.8; }
.nav-email:hover {
  color: var(--ivory); border-color: rgba(91, 155, 213, 0.35);
  background: rgba(91, 155, 213, 0.12); transform: translateY(-1px);
}
.nav-cta {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 16px; border-radius: 10px; font-family: inherit;
  font-size: 9px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  background: linear-gradient(135deg, var(--trade-heat) 0%, #d47840 100%);
  color: #120a04; border: 1px solid rgba(255, 200, 150, 0.2); cursor: pointer; text-decoration: none;
  box-shadow: 0 8px 22px rgba(232, 146, 74, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform 0.6s var(--silk-ease), box-shadow 0.6s var(--silk-ease);
}
.nav-cta svg { width: 13px; height: 13px; opacity: 0.85; }
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(232, 146, 74, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

/* ── Hamburger ── */
.nav-toggle {
  display: none; flex-shrink: 0; pointer-events: auto;
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(244, 245, 247, 0.99) 100%);
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 1), var(--shadow-soft);
  cursor: pointer; position: relative; padding: 0;
  transition: border-color 0.6s var(--silk-ease), transform 0.6s var(--silk-ease);
}
.nav-toggle:hover { border-color: rgba(110, 196, 219, 0.25); transform: translateY(-1px); }
.toggle-bar {
  display: block; width: 18px; height: 1.5px; background: var(--ivory);
  position: absolute; left: 50%; margin-left: -9px;
  transition: transform 0.6s var(--silk-ease), top 0.6s var(--silk-ease), opacity 0.6s var(--silk-ease);
}
.toggle-bar:nth-child(1) { top: 17px; }
.toggle-bar:nth-child(2) { top: 27px; }
.nav-toggle.active .toggle-bar:nth-child(1) { top: 22px; transform: rotate(45deg); }
.nav-toggle.active .toggle-bar:nth-child(2) { top: 22px; transform: rotate(-45deg); }

/* ── Mobile Menu ── */
.mobile-menu {
  position: fixed; inset: 0; z-index: 550;
  pointer-events: none; opacity: 0; visibility: hidden;
  transition: opacity 0.6s var(--silk-ease), visibility 0.6s var(--silk-ease);
}
.mobile-menu.open { opacity: 1; visibility: visible; pointer-events: auto; }
.mobile-menu-inner {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(244, 245, 247, 0.96) 100%);
  backdrop-filter: blur(40px); -webkit-backdrop-filter: blur(40px);
  display: flex; flex-direction: column;
  padding: 100px 40px 60px; overflow-y: auto;
}
.mobile-menu-head {
  margin-bottom: 32px; padding-bottom: 24px;
  border-bottom: 1px solid var(--panel-border);
}
.mobile-menu-brand {
  display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px;
}
.mobile-menu-brand strong {
  font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ivory);
}
.mobile-menu-brand span {
  font-size: 10px; font-weight: 400; letter-spacing: 0.06em; color: var(--slate-warm);
}
.mobile-menu-trades { display: flex; flex-wrap: wrap; gap: 6px; }
.mobile-menu-links { display: flex; flex-direction: column; flex: 1; justify-content: center; }
.mobile-menu-link {
  display: flex; align-items: center; gap: 14px;
  font-size: clamp(1.4rem, 4.5vw, 2.2rem); font-weight: 400; letter-spacing: -0.01em;
  color: var(--ivory); text-decoration: none; padding: 14px 0;
  border-bottom: 1px solid rgba(156,163,175,0.06); position: relative;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.6s var(--silk-ease);
}
.mobile-link-icon {
  display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: 10px; flex-shrink: 0;
  background: rgba(91, 155, 213, 0.08);
  border: 1px solid rgba(91, 155, 213, 0.15);
  color: var(--trade-water);
}
.mobile-link-icon svg { width: 16px; height: 16px; }
.mobile-menu-link[data-trade="heating"] .mobile-link-icon { background: rgba(232,146,74,0.08); border-color: rgba(232,146,74,0.15); color: var(--trade-heat); }
.mobile-menu-link[data-trade="cooling"] .mobile-link-icon { background: rgba(110,196,219,0.08); border-color: rgba(110,196,219,0.15); color: var(--trade-cool); }
.mobile-menu-link[data-trade="electrical"] .mobile-link-icon { background: rgba(232,197,71,0.08); border-color: rgba(232,197,71,0.15); color: var(--trade-power); }
.mobile-menu-link-cta {
  margin-top: 12px; padding: 18px 0;
  color: var(--trade-heat); font-weight: 600;
  border-bottom: none;
}
.mobile-menu-link.is-current { color: var(--trade-cool); }
.mobile-menu-link-cta.is-current { color: var(--trade-heat); }
.mobile-menu.open .mobile-menu-link {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.5s var(--silk-ease), transform 0.5s var(--silk-ease), color 0.6s var(--silk-ease);
}
.mobile-menu.open .mobile-menu-link:nth-child(1) { transition-delay: 0.06s; }
.mobile-menu.open .mobile-menu-link:nth-child(2) { transition-delay: 0.12s; }
.mobile-menu.open .mobile-menu-link:nth-child(3) { transition-delay: 0.18s; }
.mobile-menu.open .mobile-menu-link:nth-child(4) { transition-delay: 0.24s; }
.mobile-menu.open .mobile-menu-link:nth-child(5) { transition-delay: 0.30s; }
.mobile-menu.open .mobile-menu-link:nth-child(6) { transition-delay: 0.36s; }
.mobile-menu-link::before { display: none; }
.mobile-menu-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid rgba(156,163,175,0.06);
  opacity: 0; transition: opacity 0.3s ease;
}
.mobile-menu.open .mobile-menu-footer {
  opacity: 1; transition: opacity 0.5s var(--silk-ease) 0.45s;
}
.mobile-menu-footer a {
  font-size: 10px; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate-warm); opacity: 0.4; text-decoration: none;
}
body.menu-open { overflow: hidden; }
body.menu-open .nav-shell {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.99) 0%, rgba(244, 245, 247, 0.99) 100%);
  box-shadow: var(--shadow-medium);
}

/* ── Container ── */
.main { position: relative; z-index: 10; max-width: 1120px; margin: 0 auto; padding: 0 40px; }

/* ── Shared ── */
.section { padding: 120px 0; position: relative; }
.section-tag {
  font-size: 9px; font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--slate-warm); opacity: 0.6; margin-bottom: 20px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 300;
  letter-spacing: -0.04em; line-height: 1.15; color: var(--ivory); margin-bottom: 20px;
}
.section-title strong { font-weight: 600; }
.section-body {
  font-size: 0.95rem; font-weight: 300; line-height: 1.8; color: var(--slate-light); max-width: 540px;
}
.section-center { text-align: center; }
.section-center .section-body { margin: 0 auto; }

.silk-divider { width: 100px; height: 1px; background: linear-gradient(90deg, transparent, var(--panel-border), transparent); margin: 0 auto; }

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 44px; border-radius: 100px;
  background: linear-gradient(135deg, #374151, #1F2937);
  color: #FFFFFF; font-family: inherit; font-size: 11px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase; border: none; cursor: pointer;
  text-decoration: none;
  transition: transform 0.8s var(--silk-ease), box-shadow 0.8s var(--silk-ease);
}
.btn-primary svg { transition: transform 0.8s var(--silk-ease); }
.btn-primary:hover { transform: scale(1.02); box-shadow: 0 8px 40px rgba(15, 23, 42, 0.16); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-secondary {
  display: inline-block; padding: 16px 44px; border-radius: 100px; background: transparent;
  color: var(--ivory-muted); font-family: inherit; font-size: 11px; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase;
  border: 1px solid var(--panel-border); cursor: pointer; text-decoration: none;
  transition: transform 0.8s var(--silk-ease), border-color 0.8s var(--silk-ease), background 0.8s var(--silk-ease);
}
.btn-secondary:hover { transform: scale(1.02); border-color: rgba(15,23,42,0.18); background: rgba(15,23,42,0.03); }

/* ── Reveal ── */
.reveal {
  opacity: 0; transform: translateY(36px);
  transition: opacity 1.2s var(--silk-ease), transform 1.2s var(--silk-ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }

/* ══════════════════════════════════
   HERO
   ══════════════════════════════════ */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 148px 0 88px; position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(91,155,213,0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(91,155,213,0.08) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 20%, transparent 75%);
}
.hero-bg-orb {
  position: absolute; border-radius: 50%; filter: blur(80px);
  animation: orbFloat 10s ease-in-out infinite;
}
.hero-bg-orb-water { width: 360px; height: 360px; top: 10%; right: 5%; background: rgba(91,155,213,0.12); }
.hero-bg-orb-heat { width: 280px; height: 280px; bottom: 15%; left: 10%; background: rgba(232,146,74,0.1); animation-delay: -3s; }
.hero-bg-orb-power { width: 220px; height: 220px; top: 40%; left: 40%; background: rgba(232,197,71,0.08); animation-delay: -6s; }
.hero-rain { position: absolute; inset: 0; overflow: hidden; opacity: 0.2; }
.hero-drop {
  position: absolute; top: -20px; width: 2px; height: 14px; border-radius: 2px;
  background: linear-gradient(to bottom, transparent, var(--trade-cool));
  animation: rainFall 3.5s linear infinite;
}
.hero-drop:nth-child(1) { left: 12%; animation-delay: 0s; }
.hero-drop:nth-child(2) { left: 28%; animation-delay: 0.8s; height: 10px; }
.hero-drop:nth-child(3) { left: 55%; animation-delay: 1.4s; }
.hero-drop:nth-child(4) { left: 72%; animation-delay: 0.3s; height: 12px; }
.hero-drop:nth-child(5) { left: 88%; animation-delay: 2.1s; }
.hero-drop:nth-child(6) { left: 42%; animation-delay: 1.8s; height: 8px; }

.hero-layout {
  position: relative; z-index: 1; width: 100%;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px; align-items: center;
}
.hero-content { text-align: left; max-width: 580px; }

.hero-live {
  display: inline-flex; align-items: center; flex-wrap: wrap; gap: 10px;
  padding: 8px 16px 8px 10px; margin-bottom: 24px; border-radius: 100px;
  background: var(--surface-muted); border: 1px solid var(--panel-border);
  opacity: 0; animation: fadeUp 1s var(--silk-ease) 0.1s forwards;
}
.hero-live-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--trade-cool);
  box-shadow: 0 0 12px var(--trade-cool);
  animation: livePulse 2s ease-in-out infinite;
}
.hero-live-label {
  font-size: 9px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--slate-light);
}
.hero-live-divider { width: 1px; height: 12px; background: rgba(156,163,175,0.2); }
.hero-live-trade {
  font-size: 9px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--trade-cool); transition: color 0.6s var(--silk-ease);
}

.hero-title {
  font-size: clamp(2.4rem, 4.8vw, 4rem); font-weight: 300;
  letter-spacing: -0.04em; line-height: 1.08; margin-bottom: 0;
  opacity: 0; animation: fadeUp 1.2s var(--silk-ease) 0.25s forwards;
}
.hero-title-static {
  display: block; font-size: 0.42em; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--slate-warm); margin-bottom: 12px;
}
.hero-title-cycle {
  display: block; position: relative; height: 1.15em; overflow: hidden;
}
.cycle-word {
  position: absolute; left: 0; top: 0; width: 100%;
  font-weight: 600; line-height: 1.15;
  background: linear-gradient(135deg, var(--ivory), var(--trade-cool));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  opacity: 0; transform: translateY(100%);
  transition: opacity 0.7s var(--silk-ease), transform 0.7s var(--silk-ease);
}
.cycle-word.is-active { opacity: 1; transform: translateY(0); }
.cycle-word.is-exiting { opacity: 0; transform: translateY(-100%); }
.hero[data-trade="heating"] .cycle-word.is-active,
.hero[data-trade="heating"] .hero-live-trade { background: linear-gradient(135deg, var(--ivory), var(--trade-heat)); -webkit-background-clip: text; background-clip: text; }
.hero[data-trade="heating"] .hero-live-trade { -webkit-text-fill-color: var(--trade-heat); color: var(--trade-heat); background: none; -webkit-background-clip: unset; background-clip: unset; }
.hero[data-trade="cooling"] .cycle-word.is-active { background: linear-gradient(135deg, var(--ivory), var(--trade-cool)); -webkit-background-clip: text; background-clip: text; }
.hero[data-trade="cooling"] .hero-live-trade { color: var(--trade-cool); }
.hero[data-trade="electrical"] .cycle-word.is-active { background: linear-gradient(135deg, var(--ivory), var(--trade-power)); -webkit-background-clip: text; background-clip: text; }
.hero[data-trade="electrical"] .hero-live-trade { color: var(--trade-power); }
.hero[data-trade="plumbing"] .hero-live-trade { color: var(--trade-water); }

.hero-sub {
  font-size: clamp(0.88rem, 1.1vw, 1rem); font-weight: 300; line-height: 1.75;
  color: var(--slate-light); max-width: 500px; margin: 22px 0 28px;
  opacity: 0; animation: fadeUp 1.2s var(--silk-ease) 0.45s forwards;
}

.hero-chips {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px;
  opacity: 0; animation: fadeUp 1.2s var(--silk-ease) 0.6s forwards;
}
.hero-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 14px; border-radius: 100px; cursor: pointer;
  font-family: inherit; font-size: 9px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--slate-warm); background: var(--surface-soft);
  border: 1px solid var(--panel-border);
  transition: all 0.6s var(--silk-ease);
}
.hero-chip svg { opacity: 0.5; transition: opacity 0.6s; }
.hero-chip:hover { border-color: rgba(15,23,42,0.16); color: var(--ivory); background: #FFFFFF; }
.hero-chip.is-active {
  color: var(--ivory); border-color: rgba(110,196,219,0.35);
  background: rgba(91,155,213,0.1); box-shadow: 0 0 24px rgba(91,155,213,0.12);
}
.hero-chip.is-active svg { opacity: 1; color: var(--trade-cool); }
.hero[data-trade="heating"] .hero-chip.is-active { border-color: rgba(232,146,74,0.35); background: rgba(232,146,74,0.1); box-shadow: 0 0 24px rgba(232,146,74,0.12); }
.hero[data-trade="heating"] .hero-chip.is-active svg { color: var(--trade-heat); }
.hero[data-trade="cooling"] .hero-chip.is-active { border-color: rgba(110,196,219,0.35); background: rgba(110,196,219,0.1); box-shadow: 0 0 24px rgba(110,196,219,0.12); }
.hero[data-trade="electrical"] .hero-chip.is-active { border-color: rgba(232,197,71,0.35); background: rgba(232,197,71,0.08); box-shadow: 0 0 24px rgba(232,197,71,0.1); }
.hero[data-trade="electrical"] .hero-chip.is-active svg { color: var(--trade-power); }

.hero-ctas {
  display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px;
  opacity: 0; animation: fadeUp 1.2s var(--silk-ease) 0.75s forwards;
}
.btn-glow { position: relative; overflow: hidden; }
.btn-glow::before {
  content: ''; position: absolute; inset: -2px;
  background: conic-gradient(from 0deg, var(--trade-water), var(--trade-cool), var(--trade-heat), var(--trade-power), var(--trade-water));
  border-radius: inherit; z-index: -1; opacity: 0;
  transition: opacity 0.6s var(--silk-ease);
  animation: ringSpin 4s linear infinite;
}
.btn-glow:hover::before { opacity: 0.35; }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  opacity: 0; animation: fadeUp 1.2s var(--silk-ease) 0.9s forwards;
}
.hero-stat {
  display: flex; align-items: center; gap: 10px;
  padding: 12px; border-radius: 16px;
  background: var(--surface-muted); border: 1px solid var(--panel-border);
}
.hero-stat-info strong {
  display: block; font-size: 0.82rem; font-weight: 600; color: var(--ivory);
  transition: color 0.5s;
}
.hero-stat-info span {
  display: block; font-size: 0.65rem; font-weight: 400; color: var(--slate-warm); margin-top: 2px;
}
.hero-stat-meter {
  width: 8px; height: 36px; border-radius: 4px; background: rgba(15,23,42,0.08);
  overflow: hidden; flex-shrink: 0;
}
.hero-stat-meter span {
  display: block; width: 100%; height: var(--fill, 50%);
  background: linear-gradient(to top, var(--trade-water), var(--trade-cool));
  border-radius: 4px; animation: meterPulse 2.5s ease-in-out infinite;
}
.hero-stat-gauge {
  position: relative; width: 40px; height: 40px; flex-shrink: 0;
}
.hero-stat-gauge svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gauge-track { fill: none; stroke: rgba(15,23,42,0.1); stroke-width: 3; }
.gauge-fill {
  fill: none; stroke: var(--trade-heat); stroke-width: 3; stroke-linecap: round;
  stroke-dasharray: 100; stroke-dashoffset: 35;
  transition: stroke 0.6s, stroke-dashoffset 1s var(--silk-ease);
  animation: gaugeTick 3s ease-in-out infinite;
}
.gauge-value {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 0.62rem; font-weight: 700; color: var(--ivory);
}
.hero-stat-pulse {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  border: 2px solid rgba(232,197,71,0.3);
  position: relative;
}
.hero-stat-pulse::before,
.hero-stat-pulse::after {
  content: ''; position: absolute; inset: 6px; border-radius: 50%;
  background: var(--trade-power);
  animation: powerPulse 2s ease-out infinite;
}
.hero-stat-pulse::after { animation-delay: 1s; }

/* Hero visual — 3D scene */
.hero-visual {
  position: relative; display: flex; justify-content: center; align-items: center;
  opacity: 0; animation: fadeUp 1.4s var(--silk-ease) 0.4s forwards;
}
.hero-scene-wrap {
  position: relative; width: 100%; max-width: 480px;
  aspect-ratio: 1; padding: 20px;
  background: radial-gradient(ellipse at 50% 70%, rgba(91,155,213,0.1) 0%, transparent 55%),
              rgba(255,255,255,0.96);
  border: 1px solid var(--panel-border);
  border-radius: 32px;
  box-shadow: var(--shadow-medium), inset 0 1px 0 rgba(255,255,255,1);
  overflow: hidden;
  --scene-accent: var(--trade-water);
  --scene-accent-soft: rgba(91,155,213,0.2);
}
.hero[data-trade="heating"] .hero-scene-wrap { --scene-accent: var(--trade-heat); --scene-accent-soft: rgba(232,146,74,0.18); }
.hero[data-trade="cooling"] .hero-scene-wrap { --scene-accent: var(--trade-cool); --scene-accent-soft: rgba(110,196,219,0.18); }
.hero[data-trade="electrical"] .hero-scene-wrap { --scene-accent: var(--trade-power); --scene-accent-soft: rgba(232,197,71,0.16); }

/* 2D background layer inside scene wrap */
.scene-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
  border-radius: inherit;
}
.scene-bg-mesh {
  position: absolute; inset: -50%;
  background:
    radial-gradient(ellipse at 20% 30%, var(--scene-accent-soft) 0%, transparent 45%),
    radial-gradient(ellipse at 80% 70%, rgba(110,196,219,0.08) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 50%, rgba(232,146,74,0.05) 0%, transparent 50%);
  animation: meshDrift 12s ease-in-out infinite alternate;
}
.scene-bg-rings {
  position: absolute; inset: 0; display: grid; place-items: center;
}
.scene-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid var(--scene-accent-soft);
  opacity: 0.4;
}
.scene-ring-1 { width: 180px; height: 180px; animation: ringExpand 4s ease-out infinite; }
.scene-ring-2 { width: 260px; height: 260px; animation: ringExpand 4s ease-out infinite 1.3s; }
.scene-ring-3 { width: 340px; height: 340px; animation: ringExpand 4s ease-out infinite 2.6s; }
.scene-bg-particles span {
  position: absolute; width: 3px; height: 3px; border-radius: 50%;
  background: var(--scene-accent); box-shadow: 0 0 6px var(--scene-accent);
  animation: bgParticle 8s ease-in-out infinite;
}
.scene-bg-particles span:nth-child(1) { left: 8%; top: 15%; animation-delay: 0s; }
.scene-bg-particles span:nth-child(2) { left: 22%; top: 72%; animation-delay: 1.2s; }
.scene-bg-particles span:nth-child(3) { left: 45%; top: 8%; animation-delay: 2.4s; }
.scene-bg-particles span:nth-child(4) { left: 68%; top: 55%; animation-delay: 0.6s; }
.scene-bg-particles span:nth-child(5) { left: 85%; top: 22%; animation-delay: 3s; }
.scene-bg-particles span:nth-child(6) { left: 12%; top: 48%; animation-delay: 1.8s; }
.scene-bg-particles span:nth-child(7) { left: 55%; top: 85%; animation-delay: 4s; }
.scene-bg-particles span:nth-child(8) { left: 78%; top: 78%; animation-delay: 2s; }
.scene-bg-particles span:nth-child(9) { left: 35%; top: 35%; animation-delay: 3.6s; }
.scene-bg-particles span:nth-child(10) { left: 92%; top: 42%; animation-delay: 0.3s; }
.scene-bg-particles span:nth-child(11) { left: 5%; top: 88%; animation-delay: 5s; }
.scene-bg-particles span:nth-child(12) { left: 62%; top: 28%; animation-delay: 1.5s; }
.scene-bg-beams { position: absolute; inset: 0; }
.scene-beam {
  position: absolute; width: 1px; height: 120%;
  top: -10%; left: 50%;
  background: linear-gradient(to bottom, transparent, var(--scene-accent-soft), transparent);
  transform-origin: top center;
  opacity: 0.5;
}
.scene-beam-1 { left: 25%; animation: beamSweep 7s ease-in-out infinite; }
.scene-beam-2 { left: 55%; animation: beamSweep 9s ease-in-out infinite 2s; opacity: 0.35; }
.scene-beam-3 { left: 78%; animation: beamSweep 6s ease-in-out infinite 4s; opacity: 0.25; }
.scene-bg-scan {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--scene-accent), transparent);
  box-shadow: 0 0 20px var(--scene-accent);
  opacity: 0.35;
  animation: scanLine 5s linear infinite;
}
.scene-bg-noise {
  position: absolute; inset: 0; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: noiseShift 0.5s steps(2) infinite;
}

.scene-bg-mesh,
.scene-ring,
.scene-bg-scan,
.scene-floor,
.orbit-ring-3d { transition: border-color 0.8s var(--silk-ease), box-shadow 0.8s var(--silk-ease); }
.hero-scene-wrap.is-live .pipe-flow,
.hero-scene-wrap.is-live .fan-3d,
.hero-scene-wrap.is-live .valve-wheel,
.hero-scene-wrap.is-live .elec-arc,
.hero-scene-wrap.is-live .air-stream,
.hero-scene-wrap.is-live .air-wisp,
.hero-scene-wrap.is-live .water-blob,
.hero-scene-wrap.is-live .scene-bg-scan,
.hero-scene-wrap.is-live .orbit-ring-3d,
.hero-scene-wrap.is-live .float-orb-3d,
.hero-scene-wrap.is-live .floor-wave,
.hero-scene-wrap.is-live .scene-ring,
.hero-scene-wrap.is-live .scene-bg-particles span,
.hero-scene-wrap.is-live .heat-particle,
.hero-scene-wrap.is-live .floor-grid-pulse,
.hero-scene-wrap.is-live .scene-bg-mesh,
.hero-scene-wrap.is-live .scene-beam,
.hero-scene-wrap.is-live .scene-ambient,
.hero-scene-wrap.is-live .volumetric-fog,
.hero-scene-wrap.is-live .energy-arc { animation: none !important; }

.scene-viewport {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  perspective: 1100px;
  perspective-origin: 50% 42%;
  display: grid; place-items: center;
}
.scene-stage {
  position: relative;
  width: 320px; height: 320px;
  transform-style: preserve-3d;
  transform: rotateX(-18deg) rotateY(22deg);
  will-change: transform;
}
.scene-floor {
  position: absolute; width: 340px; height: 340px; left: -10px; top: 40px;
  transform: rotateX(90deg) translateZ(-60px);
  background:
    linear-gradient(rgba(91,155,213,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,155,213,0.12) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, var(--scene-accent-soft) 0%, transparent 65%);
  background-size: 28px 28px, 28px 28px, 100% 100%;
  border-radius: 12px;
  box-shadow: 0 0 60px var(--scene-accent-soft);
  overflow: hidden;
}
.floor-grid-pulse {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, var(--scene-accent-soft) 0%, transparent 55%);
  animation: gridPulse 3s ease-in-out infinite;
}
.scene-ambient {
  position: absolute; width: 200px; height: 200px; left: 60px; top: 60px;
  transform: translateZ(80px);
  background: radial-gradient(circle, var(--scene-accent-soft) 0%, transparent 70%);
  pointer-events: none;
  animation: ambientPulse 4s ease-in-out infinite;
}
.scene-ambient-secondary {
  width: 140px; height: 140px; left: 140px; top: 100px;
  transform: translateZ(40px);
  background: radial-gradient(circle, rgba(232,197,71,0.08) 0%, transparent 70%);
  animation: ambientPulse 5s ease-in-out infinite 1.5s;
}

/* 3D background elements behind models */
.scene-bg-3d {
  position: absolute; inset: 0; transform-style: preserve-3d; pointer-events: none;
}
.orbit-ring-3d {
  position: absolute; left: 50%; top: 50%;
  border-radius: 50%; border: 1px dashed rgba(156,163,175,0.12);
  transform-style: preserve-3d;
}
.orbit-a {
  width: 280px; height: 280px; margin: -140px 0 0 -140px;
  transform: rotateX(75deg) translateZ(-30px);
  animation: orbitSpin3d 20s linear infinite;
  border-color: rgba(91,155,213,0.15);
}
.orbit-b {
  width: 220px; height: 220px; margin: -110px 0 0 -110px;
  transform: rotateX(75deg) rotateZ(45deg) translateZ(-10px);
  animation: orbitSpin3d 15s linear infinite reverse;
  border-color: rgba(232,146,74,0.12);
}
.orbit-c {
  width: 320px; height: 320px; margin: -160px 0 0 -160px;
  transform: rotateX(75deg) rotateZ(-30deg) translateZ(-50px);
  animation: orbitSpin3d 25s linear infinite;
  border-color: rgba(110,196,219,0.1);
}
.float-orb-3d {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(255,255,255,0.4), var(--scene-accent));
  box-shadow: 0 0 12px var(--scene-accent);
  animation: floatOrb3d 6s ease-in-out infinite;
}
.fo1 { width: 5px; height: 5px; left: 20px; top: 80px; --z: -20px; animation-delay: 0s; }
.fo2 { width: 4px; height: 4px; left: 260px; top: 120px; --z: 10px; animation-delay: 1s; opacity: 0.7; }
.fo3 { width: 6px; height: 6px; left: 180px; top: 40px; --z: 30px; animation-delay: 2s; }
.fo4 { width: 3px; height: 3px; left: 80px; top: 200px; --z: -5px; animation-delay: 0.5s; background: radial-gradient(circle, rgba(232,146,74,0.8), transparent); box-shadow: 0 0 8px rgba(232,146,74,0.5); }
.fo5 { width: 4px; height: 4px; left: 240px; top: 60px; --z: 20px; animation-delay: 3s; background: radial-gradient(circle, rgba(232,197,71,0.8), transparent); box-shadow: 0 0 8px rgba(232,197,71,0.4); }
.fo6 { width: 5px; height: 5px; left: 140px; top: 260px; --z: 0px; animation-delay: 1.8s; opacity: 0.6; }
.floor-wave {
  position: absolute; left: 50%; top: 50%;
  width: 200px; height: 200px; margin: -100px 0 0 -100px;
  border-radius: 50%; border: 1px solid var(--scene-accent-soft);
  transform: rotateX(90deg) translateZ(-55px);
  animation: floorWave 3.5s ease-out infinite;
}
.fw2 { animation-delay: 1.75s; }
.energy-arc {
  position: absolute; width: 80px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--scene-accent), transparent);
  box-shadow: 0 0 10px var(--scene-accent);
  opacity: 0.4;
}
.ea1 { left: 60px; top: 140px; transform: translateZ(-15px) rotateZ(25deg); animation: arcPulse 2.5s ease-in-out infinite; }
.ea2 { left: 180px; top: 90px; transform: translateZ(5px) rotateZ(-15deg); animation: arcPulse 2.5s ease-in-out infinite 1.2s; width: 60px; }
.volumetric-fog {
  position: absolute; border-radius: 50%; filter: blur(20px);
  animation: fogDrift 8s ease-in-out infinite;
}
.vf1 { width: 120px; height: 80px; left: 40px; top: 100px; transform: translateZ(-25px); background: rgba(91,155,213,0.06); }
.vf2 { width: 100px; height: 70px; left: 160px; top: 160px; transform: translateZ(-20px); background: rgba(232,146,74,0.05); animation-delay: 3s; }

/* Trade groups in 3D space */
.trade-group {
  position: absolute; transform-style: preserve-3d;
  transition: opacity 0.8s var(--silk-ease), filter 0.8s var(--silk-ease), transform 0.8s var(--silk-ease);
  opacity: 0.35; filter: brightness(0.55) saturate(0.6);
}
.trade-group.is-active {
  opacity: 1; filter: brightness(1.15) saturate(1.1);
  transform: translateZ(20px) scale(1.04);
}
.trade-plumbing { left: 4px; top: 118px; transform: translate3d(0,0,30px); }
.trade-heating { left: 72px; top: 52px; transform: translate3d(0,0,10px); }
.trade-cooling { left: 148px; top: 12px; transform: translate3d(0,0,50px); }
.trade-electrical { left: 18px; top: 22px; transform: translate3d(0,0,40px); }
.trade-group.is-active.trade-plumbing { transform: translate3d(0,0,50px) scale(1.06); }
.trade-group.is-active.trade-heating { transform: translate3d(0,0,40px) scale(1.06); }
.trade-group.is-active.trade-cooling { transform: translate3d(0,0,70px) scale(1.06); }
.trade-group.is-active.trade-electrical { transform: translate3d(0,0,60px) scale(1.06); }

/* ── Model shadows ── */
.model-shadow {
  position: absolute; border-radius: 50%;
  filter: blur(14px); pointer-events: none;
  transform: rotateX(90deg) translateZ(-40px);
}
.model-shadow-plumb { width: 160px; height: 50px; left: 10px; top: 130px; background: rgba(91,155,213,0.18); }
.model-shadow-heat { width: 180px; height: 45px; left: 20px; top: 110px; background: rgba(232,146,74,0.15); }
.model-shadow-cool { width: 130px; height: 40px; left: 0; top: 72px; background: rgba(110,196,219,0.12); }
.model-shadow-elec { width: 120px; height: 40px; left: 20px; top: 100px; background: rgba(232,197,71,0.1); }

/* ── 3D Pipes ── */
.pipe-run { position: relative; width: 220px; height: 120px; transform-style: preserve-3d; }
.pipe-seg { position: absolute; transform-style: preserve-3d; }
.pipe-seg-a { left: 0; top: 78px; transform: translateZ(10px); }
.pipe-seg-b { left: 116px; top: -14px; transform: translateZ(10px); }
.pipe-seg-c { left: 114px; top: -14px; transform: translateZ(10px); }
.pipe-seg-c .pipe-cyl-h { width: 96px; }

.pipe-cyl { position: relative; transform-style: preserve-3d; }
.pipe-cyl-h { width: 132px; height: 26px; }
.pipe-cyl-v { width: 26px; height: 104px; }

.pipe-body {
  position: relative; overflow: hidden; border-radius: 13px;
  background:
    linear-gradient(180deg, #a8d4ef 0%, #5a9ec4 18%, #2e6a8a 42%, #1e5068 58%, #4a8ab0 82%, #7eb8dc 100%);
  box-shadow:
    inset 0 3px 6px rgba(255,255,255,0.35),
    inset 0 -5px 8px rgba(0,30,60,0.45),
    0 8px 20px rgba(0,0,0,0.35);
}
.pipe-cyl-h .pipe-body { width: 100%; height: 22px; }
.pipe-cyl-v .pipe-body { width: 22px; height: 100%; }

.pipe-depth-h {
  position: absolute; bottom: -5px; left: 4px; right: 4px; height: 10px;
  background: linear-gradient(180deg, #1a4058, #0d2535);
  border-radius: 0 0 10px 10px;
  transform: rotateX(-55deg); transform-origin: top center;
  opacity: 0.85;
}
.pipe-depth-v {
  position: absolute; right: -5px; top: 4px; bottom: 4px; width: 10px;
  background: linear-gradient(90deg, #1a4058, #0d2535);
  border-radius: 0 10px 10px 0;
  transform: rotateY(55deg); transform-origin: left center;
  opacity: 0.85;
}

.pipe-flange {
  position: absolute; border-radius: 50%; z-index: 2;
  background: radial-gradient(circle at 40% 35%, #8ec5e8, #3a6888);
  box-shadow: 0 2px 6px rgba(0,0,0,0.4), inset 0 1px 2px rgba(255,255,255,0.3);
}
.pipe-cyl-h .pipe-flange { width: 14px; height: 14px; top: 4px; }
.pipe-flange-l { left: -4px; }
.pipe-flange-r { right: -4px; }
.pipe-cyl-v .pipe-flange { width: 14px; height: 14px; left: 4px; }
.pipe-flange-t { top: -4px; }
.pipe-flange-b { bottom: -4px; }

.pipe-cap {
  position: absolute; right: -8px; top: 2px; width: 16px; height: 18px;
  background: linear-gradient(180deg, #6a98b8, #3a6888);
  border-radius: 0 6px 6px 0; transform: translateZ(4px);
  box-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}
.pipe-cap-dot {
  position: absolute; right: 3px; top: 50%; width: 6px; height: 6px;
  margin-top: -3px; border-radius: 50%;
  background: radial-gradient(circle, #5ec4ef, #2a6a8a);
  box-shadow: 0 0 6px rgba(110,196,219,0.6);
}

.pipe-flow { position: absolute; inset: 3px; border-radius: 10px; will-change: background-position; }
.pipe-flow-h {
  background: linear-gradient(90deg, transparent 0%, rgba(100,200,255,0.2) 12%, rgba(160,230,255,0.95) 40%, rgba(200,245,255,1) 50%, rgba(160,230,255,0.95) 60%, rgba(100,200,255,0.2) 88%, transparent 100%);
  background-size: 52px 100%;
}
.pipe-flow-v {
  background: linear-gradient(180deg, transparent 0%, rgba(100,200,255,0.2) 12%, rgba(160,230,255,0.95) 40%, rgba(200,245,255,1) 50%, rgba(160,230,255,0.95) 60%, rgba(100,200,255,0.2) 88%, transparent 100%);
  background-size: 100% 52px;
}
.pipe-shine {
  position: absolute; top: 3px; left: 8px; right: 8px; height: 3px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  border-radius: 3px; pointer-events: none;
}
.pipe-shine-v {
  top: 8px; bottom: 8px; left: 3px; right: auto; width: 3px; height: auto;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.5), transparent);
}

.pipe-elbow {
  position: absolute; width: 28px; height: 28px; border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #8ec5e8, #3a6888 55%, #1e5068);
  box-shadow: inset 0 2px 4px rgba(255,255,255,0.25), 0 6px 14px rgba(0,0,0,0.4);
  transform-style: preserve-3d;
}
.pipe-elbow-ab { left: 106px; top: 70px; transform: translateZ(14px); overflow: visible; }
.pipe-elbow-bc { left: 106px; top: -18px; transform: translateZ(14px); }
.elbow-ring {
  position: absolute; inset: 3px; border-radius: 50%;
  border: 2px solid rgba(140,210,255,0.25);
}
.elbow-splash {
  position: absolute; inset: -8px; border-radius: 50%;
  background: radial-gradient(circle, rgba(110,196,219,0.55) 0%, transparent 70%);
  opacity: 0;
}

.pipe-valve-3d {
  position: absolute; left: 48px; top: 62px;
  transform: translateZ(22px); transform-style: preserve-3d;
}
.valve-body {
  width: 32px; height: 22px; border-radius: 5px;
  background: linear-gradient(160deg, #5a8ab0 0%, #2a5570 50%, #4a7a98 100%);
  border: 1px solid rgba(140,210,255,0.35);
  box-shadow: 0 4px 12px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.15);
}
.valve-stem {
  position: absolute; left: 50%; top: -10px; width: 6px; height: 12px;
  margin-left: -3px; border-radius: 2px;
  background: linear-gradient(90deg, #8aaabb, #5a7a8a, #8aaabb);
}
.valve-wheel {
  position: absolute; left: 50%; top: -22px; width: 20px; height: 20px;
  margin-left: -10px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #e85555, #a82828 60%, #7a1818);
  border: 2px solid #cc4444;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4), inset 0 1px 2px rgba(255,150,150,0.4);
}
.valve-wheel::before, .valve-wheel::after {
  content: ''; position: absolute; background: rgba(255,200,200,0.5);
}
.valve-wheel::before { left: 50%; top: 3px; bottom: 3px; width: 2px; margin-left: -1px; }
.valve-wheel::after { top: 50%; left: 3px; right: 3px; height: 2px; margin-top: -1px; }

.pipe-bracket {
  position: absolute; left: 88px; top: 88px; width: 14px; height: 18px;
  transform: translateZ(6px);
  border: 2px solid rgba(140,160,180,0.4); border-top: none; border-radius: 0 0 4px 4px;
  background: linear-gradient(180deg, transparent, rgba(100,120,140,0.2));
}

.pipe-fx { position: absolute; inset: 0; transform-style: preserve-3d; pointer-events: none; }
.water-blob {
  position: absolute; width: 11px; height: 11px; border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #f0fbff, #6ecff5 55%, #2a8fbf);
  box-shadow: 0 0 10px rgba(110,196,219,0.85), inset 0 -2px 4px rgba(0,80,140,0.25);
  opacity: 0;
}

/* ── 3D Boiler & Radiator ── */
.boiler-3d {
  position: relative; width: 78px; height: 100px; transform-style: preserve-3d;
  transform: translateZ(8px);
}
.boiler-face { position: absolute; backface-visibility: hidden; }
.boiler-front {
  width: 78px; height: 100px;
  background: linear-gradient(155deg, #4a4038 0%, #2a2420 40%, #1a1612 100%);
  border: 1px solid rgba(232,146,74,0.4); border-radius: 10px;
  transform: translateZ(26px);
  box-shadow: inset 0 0 40px rgba(232,146,74,0.1), 0 14px 32px rgba(0,0,0,0.4);
  overflow: hidden;
}
.boiler-back {
  width: 78px; height: 100px;
  background: linear-gradient(180deg, #2a2420, #121010);
  border-radius: 10px; transform: translateZ(-8px);
  box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
}
.boiler-side {
  width: 48px; height: 100px;
  background: linear-gradient(180deg, #3a3430, #181410);
  transform: rotateY(90deg) translateZ(26px);
  border-radius: 0 6px 6px 0;
  box-shadow: inset -4px 0 12px rgba(0,0,0,0.3);
}
.boiler-top {
  width: 78px; height: 48px;
  background: linear-gradient(180deg, #5a5048, #3a3430);
  transform: rotateX(90deg) translateZ(0);
  border-radius: 6px 6px 0 0;
  box-shadow: inset 0 2px 6px rgba(255,200,150,0.08);
}
.boiler-panel {
  position: absolute; inset: 12px 10px 28px;
  background: rgba(0,0,0,0.35); border-radius: 8px;
  border: 1px solid rgba(232,146,74,0.2);
  padding: 10px 8px;
}
.boiler-display {
  background: linear-gradient(180deg, #1a3020, #0a1808);
  border: 1px solid rgba(80,200,100,0.3); border-radius: 4px;
  padding: 4px 6px; margin-bottom: 8px;
  box-shadow: inset 0 0 8px rgba(80,200,100,0.15);
}
.boiler-temp {
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em;
  color: #6eff8a; font-variant-numeric: tabular-nums;
  text-shadow: 0 0 8px rgba(110,255,140,0.6);
}
.boiler-dial {
  position: relative; width: 32px; height: 32px; margin: 0 auto;
  border-radius: 50%; border: 2px solid rgba(232,146,74,0.4);
  background: radial-gradient(circle, #3a3028, #1a1612);
  box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
}
.boiler-dial-needle {
  position: absolute; left: 50%; top: 50%; width: 2px; height: 12px;
  margin: -12px 0 0 -1px; transform-origin: bottom center;
  background: #E8924A; border-radius: 1px;
  box-shadow: 0 0 4px rgba(232,146,74,0.6);
}
.boiler-dial::after {
  content: ''; position: absolute; left: 50%; top: 50%;
  width: 6px; height: 6px; margin: -3px 0 0 -3px; border-radius: 50%;
  background: #E8924A;
}
.boiler-led {
  position: absolute; bottom: 8px; right: 10px;
  width: 6px; height: 6px; border-radius: 50%;
  background: #6eff8a; box-shadow: 0 0 8px rgba(110,255,140,0.8);
}
.boiler-port {
  position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: radial-gradient(circle, #8a6850, #4a3828);
  border: 1px solid rgba(232,146,74,0.3);
}
.boiler-port-in { left: 8px; bottom: 8px; }
.boiler-port-out { right: 8px; bottom: 8px; }
.boiler-chimney {
  position: absolute; left: 50%; top: -28px; margin-left: -8px;
  transform: translateZ(30px); transform-style: preserve-3d;
}
.chimney-stack {
  position: relative;
  width: 16px; height: 28px;
  background: linear-gradient(90deg, #3a3430, #5a5048, #3a3430);
  border-radius: 2px 2px 0 0;
  box-shadow: 2px 0 8px rgba(0,0,0,0.3);
}
.chimney-stack::after {
  content: ''; position: absolute; left: 50%; top: -18px; width: 14px; height: 18px;
  margin-left: -7px; border-radius: 50%;
  background: radial-gradient(ellipse at 50% 80%, rgba(180,120,60,0.35) 0%, rgba(232,146,74,0.12) 45%, transparent 70%);
  filter: blur(2px);
  animation: chimneySmoke 2.8s ease-out infinite;
}
@keyframes chimneySmoke {
  0% { transform: translateY(0) scale(0.6); opacity: 0.7; }
  100% { transform: translateY(-22px) scale(1.4); opacity: 0; }
}
.chimney-cap {
  width: 22px; height: 6px; margin-left: -3px;
  background: linear-gradient(180deg, #4a4440, #2a2420);
  border-radius: 2px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.boiler-glow-3d {
  position: absolute; width: 100px; height: 100px; left: -12px; top: 8px;
  background: radial-gradient(circle, rgba(232,146,74,0.22) 0%, transparent 68%);
  transform: translateZ(-6px); pointer-events: none;
}

.radiator-3d {
  position: absolute; left: 88px; top: 24px;
  transform: translateZ(18px) rotateY(-12deg); transform-style: preserve-3d;
}
.rad-header {
  height: 8px; border-radius: 4px;
  background: linear-gradient(180deg, #d48850, #a06030);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.rad-header-top { width: 88px; margin-bottom: 3px; }
.rad-header-bot { width: 88px; margin-top: 3px; }
.rad-fins-wrap { display: flex; gap: 4px; padding: 0 2px; }
.rad-fin {
  width: 8px; height: 72px; border-radius: 2px;
  background: linear-gradient(90deg, #b06838 0%, #e09058 30%, #c47840 50%, #e09058 70%, #b06838 100%);
  box-shadow: inset 0 0 6px rgba(255,200,150,0.25), 2px 3px 10px rgba(0,0,0,0.25);
}
.rad-valve {
  position: absolute; right: -6px; top: 50%; width: 12px; height: 12px;
  margin-top: -6px; border-radius: 50%;
  background: radial-gradient(circle, #ccc, #888);
  border: 1px solid #aaa; box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.heat-particle {
  position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,180,100,0.9), rgba(232,146,74,0.3));
  filter: blur(1px);
}
.hp1 { left: 28px; top: -8px; }
.hp2 { left: 55px; top: 0; }
.hp3 { left: 110px; top: 12px; }

/* ── 3D AC Unit ── */
.ac-mount {
  position: absolute; left: 0; top: -10px; width: 118px; height: 8px;
  transform: translateZ(8px);
  background: linear-gradient(180deg, #6a7a88, #4a5a68);
  border-radius: 2px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.35);
}
.ac-3d {
  position: relative; width: 118px; height: 78px; transform-style: preserve-3d;
  transform: translateZ(12px);
}
.ac-face { position: absolute; backface-visibility: hidden; }
.ac-front {
  width: 118px; height: 78px;
  background: linear-gradient(180deg, #f4f8fc 0%, #c8dce8 35%, #98b4c8 70%, #7a9cb0 100%);
  border: 1px solid rgba(110,196,219,0.45); border-radius: 10px;
  transform: translateZ(22px);
  box-shadow: inset 0 -10px 24px rgba(0,0,0,0.06), 0 16px 36px rgba(0,0,0,0.28);
  overflow: hidden;
}
.ac-back {
  width: 118px; height: 78px;
  background: linear-gradient(180deg, #8098a8, #5a7888);
  border-radius: 10px; transform: translateZ(-6px);
  box-shadow: inset 0 0 16px rgba(0,0,0,0.2);
}
.ac-bottom {
  width: 118px; height: 22px;
  background: linear-gradient(180deg, #8898a8, #687888);
  transform: rotateX(-90deg) translateZ(0);
  border-radius: 0 0 6px 6px;
}
.ac-side {
  width: 44px; height: 78px;
  background: linear-gradient(180deg, #a8bcc8, #7898a8);
  transform: rotateY(90deg) translateZ(96px);
  border-radius: 0 6px 6px 0;
  box-shadow: inset -3px 0 8px rgba(0,0,0,0.15);
}
.ac-top {
  width: 118px; height: 44px;
  background: linear-gradient(180deg, #e8f0f8, #b0c8d8);
  transform: rotateX(90deg) translateZ(0);
  border-radius: 6px 6px 0 0;
}
.ac-brand {
  position: absolute; top: 22px; left: 10px;
  font-size: 8px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(60,90,110,0.7);
}
.ac-brand span { display: block; font-weight: 400; font-size: 7px; color: rgba(110,196,219,0.8); letter-spacing: 0.2em; }
.ac-led {
  position: absolute; top: 22px; right: 12px;
  width: 5px; height: 5px; border-radius: 50%;
  background: #444; border: 1px solid rgba(0,0,0,0.2);
}
.ac-led-on { background: #4eff6a; box-shadow: 0 0 8px rgba(78,255,106,0.8); }
.ac-vent {
  position: absolute; top: 0; left: 0; right: 0; height: 20px;
  background: repeating-linear-gradient(90deg, rgba(0,0,0,0.07) 0, rgba(0,0,0,0.07) 1px, transparent 1px, transparent 7px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.fan-housing {
  position: absolute; left: 50%; top: 54%; width: 52px; height: 52px;
  transform: translate(-50%, -50%);
}
.fan-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid rgba(110,196,219,0.35);
  background: radial-gradient(circle, rgba(200,230,245,0.3) 0%, rgba(140,180,200,0.1) 70%, transparent 100%);
  box-shadow: inset 0 0 12px rgba(110,196,219,0.15);
}
.fan-3d {
  position: absolute; inset: 4px;
}
.fan-blade-3d {
  position: absolute; left: 50%; top: 50%; width: 20px; height: 7px;
  margin: -3.5px -10px; border-radius: 3px;
  background: linear-gradient(90deg, transparent, rgba(80,160,200,0.3) 20%, rgba(110,196,219,0.85) 50%, rgba(80,160,200,0.3) 80%, transparent);
}
.fan-blade-3d:nth-child(1) { transform: rotate(0deg) translateY(-15px); }
.fan-blade-3d:nth-child(2) { transform: rotate(120deg) translateY(-15px); }
.fan-blade-3d:nth-child(3) { transform: rotate(240deg) translateY(-15px); }
.fan-hub {
  position: absolute; left: 50%; top: 50%; width: 10px; height: 10px;
  margin: -5px 0 0 -5px; border-radius: 50%;
  background: radial-gradient(circle, #c8dce8, #7898a8);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.ac-outlet {
  position: absolute; left: 10px; right: 10px; bottom: 8px; height: 12px;
  background: repeating-linear-gradient(90deg, rgba(0,0,0,0.14) 0, rgba(0,0,0,0.14) 1px, transparent 1px, transparent 5px);
  border-radius: 0 0 6px 6px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.08);
}
.ac-side-vent {
  position: absolute; top: 20px; left: 50%; width: 20px; height: 40px;
  margin-left: -10px;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.08) 0, rgba(0,0,0,0.08) 1px, transparent 1px, transparent 5px);
}
.ac-line {
  position: absolute; right: -18px; top: 20px; width: 20px; height: 6px;
  transform: translateZ(24px); border-radius: 3px;
  background: linear-gradient(180deg, #aaa, #888);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.ac-line::after {
  content: ''; position: absolute; right: -8px; top: 1px;
  width: 8px; height: 4px; border-radius: 2px;
  background: #666;
}
.ac-airflow {
  position: absolute; left: 4px; top: 0; width: 118px; height: 130px;
  transform: translate3d(0, 74px, 26px); pointer-events: none;
  transform-style: preserve-3d;
}
.air-stream {
  position: absolute; top: 0; width: 3px; height: 40px;
  background: linear-gradient(to bottom, rgba(210,245,255,0.95) 0%, rgba(130,210,240,0.5) 45%, transparent 100%);
  border-radius: 2px; filter: blur(0.5px); transform-origin: top center; opacity: 0;
}
.air-wisp {
  position: absolute; width: 16px; height: 10px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(190,235,255,0.6) 0%, transparent 70%);
  filter: blur(1.5px); opacity: 0;
}

/* ── 3D Electrical Panel ── */
.panel-3d {
  position: relative; width: 72px; height: 108px; transform-style: preserve-3d;
  transform: translateZ(8px);
}
.panel-face { position: absolute; backface-visibility: hidden; }
.panel-front {
  width: 72px; height: 108px;
  background: linear-gradient(175deg, #4a4838 0%, #2a2818 50%, #1a1810 100%);
  border: 2px solid rgba(180,160,80,0.35); border-radius: 8px;
  transform: translateZ(20px);
  box-shadow: inset 0 0 24px rgba(0,0,0,0.3), 0 12px 32px rgba(0,0,0,0.4);
  padding: 0;
}
.panel-back {
  width: 72px; height: 108px;
  background: #121010; border-radius: 8px; transform: translateZ(-6px);
}
.panel-frame {
  position: absolute; inset: 8px;
  background: linear-gradient(180deg, #3a3828, #222018);
  border: 1px solid rgba(232,197,71,0.15); border-radius: 6px;
  padding: 10px 8px; display: flex; flex-direction: column; gap: 8px;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.4);
}
.panel-meter {
  background: linear-gradient(180deg, #1a1a10, #0a0a08);
  border: 1px solid rgba(232,197,71,0.25); border-radius: 4px;
  padding: 6px; text-align: center;
  box-shadow: inset 0 0 10px rgba(232,197,71,0.08);
}
.meter-screen {
  height: 14px; border-radius: 2px; margin-bottom: 4px;
  background: linear-gradient(180deg, #2a3a10, #1a2808);
  box-shadow: inset 0 0 6px rgba(180,220,80,0.2);
}
.meter-readout {
  font-size: 9px; font-weight: 700; letter-spacing: 0.1em;
  color: #E8C547; text-shadow: 0 0 6px rgba(232,197,71,0.5);
}
.breaker-3d {
  display: flex; align-items: center; gap: 6px;
  height: 18px; padding: 0 4px; border-radius: 3px;
  background: rgba(0,0,0,0.25); border: 1px solid rgba(232,197,71,0.12);
}
.breaker-switch {
  width: 8px; height: 14px; border-radius: 2px; flex-shrink: 0;
  background: linear-gradient(180deg, #E8C547, #a89030);
  box-shadow: 0 0 6px rgba(232,197,71,0.4);
}
.breaker-switch.off {
  background: linear-gradient(180deg, #666, #444);
  box-shadow: none;
}
.breaker-label {
  font-size: 6px; font-weight: 600; letter-spacing: 0.12em;
  color: rgba(200,190,150,0.7); text-transform: uppercase;
}
.breaker-on { border-color: rgba(232,197,71,0.3); background: rgba(232,197,71,0.06); }
.panel-screw {
  position: absolute; width: 5px; height: 5px; border-radius: 50%;
  background: radial-gradient(circle, #888, #555);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.2);
}
.panel-screw-tl { top: 4px; left: 4px; }
.panel-screw-tr { top: 4px; right: 4px; }
.panel-side {
  width: 36px; height: 108px;
  background: linear-gradient(180deg, #3a3828, #181610);
  transform: rotateY(90deg) translateZ(52px);
  box-shadow: inset -3px 0 8px rgba(0,0,0,0.3);
}
.panel-top {
  width: 72px; height: 36px;
  background: linear-gradient(180deg, #5a5848, #3a3828);
  transform: rotateX(90deg) translateZ(0);
}
.panel-conduit {
  position: absolute; top: -8px; left: 50%; width: 14px; height: 12px;
  margin-left: -7px; transform: translateZ(22px);
  background: linear-gradient(90deg, #666, #888, #666);
  border-radius: 3px 3px 0 0;
  box-shadow: 0 -2px 6px rgba(0,0,0,0.2);
}

.wire-3d { position: absolute; left: 76px; top: 44px; transform-style: preserve-3d; transform: translateZ(14px); }
.wire-segment {
  position: absolute; border-radius: 5px; overflow: hidden;
  background: linear-gradient(180deg, #2a2010, #1a1508);
  box-shadow: 0 3px 8px rgba(0,0,0,0.35);
}
.wire-inner {
  position: absolute; inset: 2px; border-radius: 3px;
  background: linear-gradient(90deg, #8a7028, #c4a040, #8a7028);
}
.wire-a { width: 72px; height: 10px; left: 0; top: 0; }
.wire-a .wire-inner { background: linear-gradient(90deg, #8a7028, #c4a040, #8a7028); }
.wire-b { width: 10px; height: 58px; left: 68px; top: 0; }
.wire-b .wire-inner { background: linear-gradient(180deg, #8a7028, #c4a040, #8a7028); }
.wire-c { width: 48px; height: 10px; left: 68px; top: 54px; }
.wire-junction {
  position: absolute; width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle, #c4a040, #6a5820);
  border: 2px solid #8a7028;
  box-shadow: 0 0 8px rgba(232,197,71,0.3);
}
.wj1 { left: 64px; top: -2px; }
.wj2 { left: 64px; top: 50px; }

.elec-fx {
  position: absolute; left: 74px; top: 40px; width: 140px; height: 78px;
  transform: translateZ(22px); pointer-events: none; overflow: visible;
}
.elec-arc {
  filter: drop-shadow(0 0 4px rgba(232,197,71,1)) drop-shadow(0 0 10px rgba(255,248,180,0.8));
  opacity: 0; stroke-dasharray: 80; stroke-linejoin: round;
}

.hero-scene-badge {
  position: absolute; display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 100px;
  background: var(--surface-muted); border: 1px solid var(--panel-border);
  font-size: 8px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--slate-light); white-space: nowrap; z-index: 3;
  animation: badgeFloat 5s ease-in-out infinite;
  backdrop-filter: blur(8px);
}
.scene-badge-dot { width: 6px; height: 6px; border-radius: 50%; }
.scene-badge-dot-water { background: var(--trade-water); box-shadow: 0 0 8px var(--trade-water); }
.scene-badge-dot-heat { background: var(--trade-heat); box-shadow: 0 0 8px var(--trade-heat); }
.scene-badge-dot-cool { background: var(--trade-cool); box-shadow: 0 0 8px var(--trade-cool); }
.hero-scene-badge-1 { top: 12px; right: 8px; animation-delay: 0s; }
.hero-scene-badge-2 { bottom: 28%; left: 4px; animation-delay: 1.2s; }
.hero-scene-badge-3 { bottom: 12px; right: 16px; animation-delay: 2.4s; }

.metric { text-align: center; }
.metric-value {
  font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 300; letter-spacing: -0.04em;
  color: var(--ivory); line-height: 1; font-variant-numeric: tabular-nums;
}
.metric-value span { font-size: 0.5em; font-weight: 400; color: var(--slate-warm); vertical-align: super; margin-left: 2px; }
.metric-label { font-size: 9px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--slate-warm); margin-top: 8px; }

@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes floatDrift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes marqueeSlide { to { transform: translateX(-50%); } }
@keyframes ringSpin { to { --ring-angle: 360deg; transform: rotate(360deg); } }
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -15px) scale(1.05); }
}
@keyframes rainFall {
  0% { transform: translateY(0); opacity: 0; }
  10% { opacity: 1; }
  100% { transform: translateY(110vh); opacity: 0; }
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.15; transform: translateZ(-5px) scale(1); }
  50% { opacity: 0.35; transform: translateZ(-5px) scale(1.15); }
}
@keyframes sceneOrbit {
  0%, 100% { transform: rotateX(-18deg) rotateY(18deg); }
  25% { transform: rotateX(-14deg) rotateY(28deg); }
  50% { transform: rotateX(-20deg) rotateY(32deg); }
  75% { transform: rotateX(-16deg) rotateY(22deg); }
}
@keyframes ambientPulse {
  0%, 100% { opacity: 0.6; transform: translateZ(80px) scale(1); }
  50% { opacity: 1; transform: translateZ(80px) scale(1.15); }
}
@keyframes pipeFlow { to { background-position: 28px 0; } }
@keyframes valveSpin { to { transform: rotate(360deg); } }
@keyframes waterDrop3d {
  0% { transform: translate3d(0, 0, 12px); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translate3d(0, 40px, 12px); opacity: 0; }
}
@keyframes boilerPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; box-shadow: 0 0 8px rgba(232,146,74,0.4); }
}
@keyframes radHeat {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); box-shadow: inset 0 0 12px rgba(255,180,100,0.3); }
}
@keyframes heatRise3d {
  0% { transform: translate3d(0, 0, 20px); opacity: 0.8; }
  100% { transform: translate3d(0, -50px, 30px); opacity: 0; }
}
@keyframes fanSpin3d { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes coldBlow {
  0%, 100% { opacity: 0.2; transform: translateZ(25px) rotateX(30deg) scaleY(0.6); }
  50% { opacity: 0.9; transform: translateZ(25px) rotateX(30deg) scaleY(1); }
}
@keyframes breakerGlow {
  0%, 100% { box-shadow: 0 0 6px rgba(232,197,71,0.2); }
  50% { box-shadow: 0 0 16px rgba(232,197,71,0.6); }
}
@keyframes wireTravel {
  0% { left: 0; top: -2px; opacity: 1; }
  40% { left: 62px; top: -2px; opacity: 1; }
  65% { left: 62px; top: 50px; opacity: 1; }
  90% { left: 108px; top: 50px; opacity: 1; }
  100% { left: 108px; top: 50px; opacity: 0; }
}
@keyframes sparkFlash {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 1; transform: scale(1.5); }
}
@keyframes meshDrift {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(3%, -2%) rotate(3deg); }
}
@keyframes ringExpand {
  0% { transform: scale(0.85); opacity: 0.5; border-color: var(--scene-accent-soft); }
  100% { transform: scale(1.15); opacity: 0; border-color: transparent; }
}
@keyframes bgParticle {
  0%, 100% { transform: translate(0, 0); opacity: 0.3; }
  25% { transform: translate(8px, -12px); opacity: 0.9; }
  50% { transform: translate(-6px, -20px); opacity: 0.5; }
  75% { transform: translate(10px, -8px); opacity: 0.8; }
}
@keyframes beamSweep {
  0%, 100% { transform: rotate(-8deg); opacity: 0.2; }
  50% { transform: rotate(8deg); opacity: 0.6; }
}
@keyframes scanLine {
  0% { top: -2%; opacity: 0; }
  10% { opacity: 0.4; }
  90% { opacity: 0.4; }
  100% { top: 102%; opacity: 0; }
}
@keyframes noiseShift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-2%, -2%); }
}
@keyframes gridPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}
@keyframes orbitSpin3d { to { transform: rotateX(75deg) rotateZ(360deg) translateZ(-30px); } }
.orbit-b { animation-name: orbitSpin3dB; }
.orbit-c { animation-name: orbitSpin3dC; }
@keyframes orbitSpin3dB { to { transform: rotateX(75deg) rotateZ(405deg) translateZ(-10px); } }
@keyframes orbitSpin3dC { to { transform: rotateX(75deg) rotateZ(330deg) translateZ(-50px); } }
@keyframes floatOrb3d {
  0%, 100% { transform: translate3d(0, 0, var(--z, 0)); opacity: 0.5; }
  50% { transform: translate3d(0, -18px, calc(var(--z, 0px) + 15px)); opacity: 1; }
}
@keyframes floorWave {
  0% { transform: rotateX(90deg) translateZ(-55px) scale(0.6); opacity: 0.6; }
  100% { transform: rotateX(90deg) translateZ(-55px) scale(1.4); opacity: 0; }
}
@keyframes arcPulse {
  0%, 100% { opacity: 0.15; filter: blur(0); }
  50% { opacity: 0.7; filter: blur(1px); }
}
@keyframes fogDrift {
  0%, 100% { transform: translateZ(-25px) translate(0, 0); opacity: 0.4; }
  50% { transform: translateZ(-20px) translate(10px, -8px); opacity: 0.8; }
}
.vf2 { animation-name: fogDrift2; }
@keyframes fogDrift2 {
  0%, 100% { transform: translateZ(-20px) translate(0, 0); opacity: 0.3; }
  50% { transform: translateZ(-15px) translate(-8px, 6px); opacity: 0.7; }
}
@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes meterPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
@keyframes gaugeTick {
  0%, 100% { stroke-dashoffset: 35; }
  50% { stroke-dashoffset: 28; }
}
@keyframes powerPulse {
  0% { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ══════════════════════════════════
   LOGO TICKER
   ══════════════════════════════════ */
.logo-ticker {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 60px 0;
  border-top: 1px solid var(--panel-border);
  border-bottom: 1px solid var(--panel-border);
  overflow: hidden;
  position: relative;
  z-index: 10;
  box-sizing: border-box;
}
.logo-ticker-label {
  text-align: center; font-size: 9px; font-weight: 500; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--slate-warm); opacity: 0.5; margin-bottom: 32px;
}
.ticker-track {
  display: flex; width: max-content;
  animation: tickerScroll 30s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }
.ticker-item {
  flex-shrink: 0; padding: 0 40px; display: flex; align-items: center;
  font-size: 14px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--slate-warm); opacity: 0.3;
  transition: opacity 0.6s var(--silk-ease);
}
.ticker-item:hover { opacity: 0.7; }
.ticker-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--slate-warm); opacity: 0.2; margin: 0 40px; flex-shrink: 0; }

@keyframes tickerScroll { to { transform: translateX(-50%); } }

/* ══════════════════════════════════
   FEATURE SHOWCASE
   ══════════════════════════════════ */
.features-section { padding-top: 100px; }
.features-intro { margin-bottom: 24px; }
.features-intro .section-body { margin-top: 8px; }

.feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--panel-border);
}
.feature:last-of-type { border-bottom: none; padding-bottom: 0; }
.feature.reverse { direction: rtl; }
.feature.reverse > * { direction: ltr; }

.feature-visual {
  position: relative; height: 380px; border-radius: 28px; overflow: hidden;
  background: var(--base-soft);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.feature-art {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: var(--base-soft);
}
.feature-art-svg {
  width: 100%; height: 100%; display: block;
}
.feature-visual-plumbing { background: linear-gradient(135deg, #EAF4FC 0%, #D4E8F7 100%); }
.feature-visual-heating { background: linear-gradient(135deg, #FFF5EB 0%, #FDE8D4 100%); }
.feature-visual-electrical { background: linear-gradient(135deg, #FFFBEB 0%, #F5EFD8 100%); }
.feature-visual::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px; z-index: 2;
  background: var(--feature-accent, var(--trade-water));
}
.feature[data-trade="plumbing"] { --feature-accent: var(--trade-water); }
.feature[data-trade="heating"] { --feature-accent: var(--trade-heat); }
.feature[data-trade="electrical"] { --feature-accent: var(--trade-power); }
.feature-visual img {
  width: 100%; height: 100%; object-fit: cover; border-radius: inherit;
  transition: transform 1.2s var(--silk-ease);
}
.feature:hover .feature-visual img { transform: scale(1.04); }
.feature-visual-shade {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, rgba(20,24,32,0.06) 100%);
  pointer-events: none;
}
.feature-visual-label {
  position: absolute; left: 18px; bottom: 18px; z-index: 2;
  font-size: 8px; padding: 5px 10px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(15,23,42,0.08);
}

.feature-content {
  position: relative;
  padding: 8px 0 8px 24px;
  border-left: 3px solid var(--feature-accent, var(--trade-water));
}
.feature.reverse .feature-content {
  padding: 8px 24px 8px 0;
  border-left: none;
  border-right: 3px solid var(--feature-accent, var(--trade-water));
}
.feature-number {
  font-size: 3.5rem; font-weight: 200; letter-spacing: -0.04em;
  color: rgba(15, 23, 42, 0.05); line-height: 1; margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.feature-content .section-tag { margin-bottom: 14px; color: var(--feature-accent, var(--trade-water)); opacity: 0.85; }
.feature-content .section-title { margin-bottom: 16px; font-size: clamp(1.7rem, 2.8vw, 2.4rem); }
.feature-content .section-body { margin-bottom: 20px; }

.feature-points {
  list-style: none; display: grid; gap: 10px;
}
.feature-points li {
  position: relative; padding-left: 22px;
  font-size: 0.84rem; font-weight: 500; line-height: 1.5; color: var(--slate-warm);
}
.feature-points li::before {
  content: '';
  position: absolute; left: 0; top: 0.55em;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--feature-accent, var(--trade-water));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--feature-accent, var(--trade-water)) 18%, transparent);
}

/* ══════════════════════════════════
   PRICING
   ══════════════════════════════════ */
.pricing-toggle {
  display: flex; justify-content: center; align-items: center; gap: 16px;
  margin: 40px 0 56px;
}
.pricing-toggle-label {
  font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate-warm); transition: color 0.6s var(--silk-ease);
}
.pricing-toggle-label.active { color: var(--ivory); }
.toggle-switch {
  width: 48px; height: 26px; border-radius: 100px; background: var(--base-soft);
  border: 1px solid var(--panel-border); position: relative; cursor: pointer;
  transition: background 0.6s var(--silk-ease);
}
.toggle-switch::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #FFFFFF; box-shadow: 0 1px 4px rgba(15,23,42,0.12);
  transition: transform 0.6s var(--silk-ease);
}
.toggle-switch.annual::after { transform: translateX(22px); }
.save-badge {
  font-size: 9px; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--silver); opacity: 0; transition: opacity 0.4s var(--silk-ease);
}
.save-badge.show { opacity: 1; }

.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.pricing-card {
  background: var(--panel-bg); border: 1px solid var(--panel-border); border-radius: 36px;
  padding: 44px 36px; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  position: relative; overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.8s var(--silk-ease), box-shadow 0.8s var(--silk-ease);
}
.pricing-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(160deg, rgba(210,215,220,0.02) 0%, transparent 40%);
  pointer-events: none; transition: opacity 0.8s var(--silk-ease); opacity: 0;
}
.pricing-card.featured {
  border-color: rgba(74, 143, 212, 0.22);
  box-shadow: 0 0 60px rgba(74, 143, 212, 0.08);
  padding-top: 60px;
}
.pricing-card.featured::before { opacity: 1; }
.pricing-card.featured .pricing-badge { display: inline-block; }

.pricing-badge {
  display: none; position: absolute; top: 12px; right: 20px;
  font-size: 8px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 100px;
  background: rgba(74, 143, 212, 0.1); border: 1px solid rgba(74, 143, 212, 0.16);
  color: var(--trade-water);
}

.pricing-tier {
  font-size: 10px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--slate-warm); margin-bottom: 24px;
}

.pricing-prices { margin-bottom: 24px; }

.price-option {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 14px 0; border-bottom: 1px solid rgba(156,163,175,0.05);
  transition: opacity 0.6s var(--silk-ease);
  opacity: 0.35;
}
.price-option.active { opacity: 1; }

.price-option-left { display: flex; align-items: baseline; gap: 3px; }
.price-currency {
  font-size: 0.9rem; font-weight: 300; color: var(--slate-warm);
  transition: color 0.6s var(--silk-ease);
}
.price-amount {
  font-size: 2rem; font-weight: 300; letter-spacing: -0.04em; color: var(--slate-light);
  font-variant-numeric: tabular-nums;
  transition: font-size 0.6s var(--silk-ease), color 0.6s var(--silk-ease);
}
.price-period {
  font-size: 0.75rem; font-weight: 300; color: var(--slate-warm); margin-left: 2px;
  transition: color 0.6s var(--silk-ease);
}
.price-yearly {
  font-size: 0.72rem; font-weight: 400; color: var(--slate-warm);
  font-variant-numeric: tabular-nums;
  transition: color 0.6s var(--silk-ease);
}

/* Active state — emphasized */
.price-option.active .price-currency { color: var(--slate-light); }
.price-option.active .price-amount { font-size: 2.6rem; color: var(--ivory); }
.price-option.active .price-period { color: var(--slate-light); }
.price-option.active .price-yearly { color: var(--slate-light); }

.price-label {
  font-size: 8px; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--slate-warm); margin-bottom: 2px;
  transition: color 0.6s var(--silk-ease);
}
.price-option.active .price-label { color: var(--silver); }

.pricing-desc {
  font-size: 0.85rem; font-weight: 300; line-height: 1.6; color: var(--slate-light);
  margin-bottom: 28px; flex: 1;
}
.pricing-features { list-style: none; margin-bottom: 32px; }
.pricing-features li {
  font-size: 0.82rem; font-weight: 400; color: var(--slate-light);
  padding: 8px 0; border-bottom: 1px solid rgba(156,163,175,0.05);
  display: flex; align-items: center; gap: 10px;
}
.pricing-features li::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--silver); opacity: 0.5; flex-shrink: 0;
}
.pricing-card .btn-primary, .pricing-card .btn-secondary { width: 100%; text-align: center; padding: 14px; }

/* ══════════════════════════════════
   TESTIMONIALS
   ══════════════════════════════════ */
.testimonials-section {
  position: relative;
  overflow: hidden;
}
.testimonials-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 45% at 15% 0%, rgba(74, 143, 212, 0.07), transparent 65%),
    radial-gradient(ellipse 60% 40% at 85% 100%, rgba(217, 126, 58, 0.06), transparent 60%);
  pointer-events: none;
}
.testimonials-intro { position: relative; max-width: 640px; margin: 0 auto; }
.testimonials-intro .section-body { margin-top: 12px; }

.testimonials-summary {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 36px;
  padding: 22px 36px;
  border-radius: 20px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.testimonials-score-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}
.testimonials-score {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ivory);
}
.testimonials-summary-text {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate-warm);
}

.testimonial-stars {
  display: inline-flex;
  color: #E8A820;
  filter: drop-shadow(0 1px 2px rgba(232, 168, 32, 0.25));
}
.testimonial-stars svg { width: 88px; height: 18px; display: block; }
.testimonial-stars-lg svg { width: 120px; height: 22px; }

.testimonials-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  align-items: start;
}
.testimonial-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 28px 28px 24px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform 0.8s var(--silk-ease), box-shadow 0.8s var(--silk-ease), border-color 0.8s var(--silk-ease);
}
.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--testimonial-accent, var(--trade-water));
}
.testimonial-card[data-trade="plumbing"] { --testimonial-accent: var(--trade-water); }
.testimonial-card[data-trade="cooling"] { --testimonial-accent: var(--trade-cool); }
.testimonial-card[data-trade="power"] { --testimonial-accent: var(--trade-power); }

.testimonial-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.testimonial-service {
  flex-shrink: 0;
  font-size: 8px;
  padding: 4px 8px;
}

.testimonial-quote-mark {
  position: absolute;
  top: 52px;
  right: 22px;
  width: 42px;
  height: 32px;
  color: var(--testimonial-accent, var(--trade-water));
  opacity: 0.12;
  pointer-events: none;
}

.testimonial-quote {
  position: relative;
  flex: 1;
  quotes: """ """ "'" "'";
  font-size: 0.92rem;
  font-weight: 400;
  line-height: 1.78;
  color: var(--graphite-soft);
  margin: 0 0 28px;
  font-style: normal;
}
.testimonial-quote::before { content: open-quote; }
.testimonial-quote::after { content: close-quote; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}
.testimonial-avatar {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--base-soft) 0%, #fff 100%);
  border: 2px solid color-mix(in srgb, var(--testimonial-accent, var(--trade-water)) 35%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--graphite);
}
.testimonial-avatar-anon {
  color: var(--slate-warm);
}
.testimonial-avatar-anon svg { display: block; }
.testimonial-meta { flex: 1; min-width: 0; }
.testimonial-name {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ivory);
  line-height: 1.3;
}
.testimonial-role {
  font-size: 0.74rem;
  font-weight: 400;
  color: var(--slate-warm);
  margin-top: 3px;
}
.testimonial-verified {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #2E8B57;
  background: rgba(46, 139, 87, 0.1);
  border: 1px solid rgba(46, 139, 87, 0.18);
  padding: 5px 8px;
  border-radius: 999px;
}

.testimonial-card-featured {
  transform: translateY(-12px);
  border-color: color-mix(in srgb, var(--trade-cool) 28%, var(--panel-border));
  box-shadow: 0 20px 56px rgba(15, 23, 42, 0.12);
}
.testimonial-card-featured::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(79, 184, 212, 0.04) 0%, transparent 45%);
  pointer-events: none;
}

/* ══════════════════════════════════
   BUILDING SYSTEMS EXPLORER
   ══════════════════════════════════ */
.building-guide-section { position: relative; overflow: hidden; }
.building-guide-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 40% at 10% 20%, rgba(74, 143, 212, 0.06), transparent 65%),
    radial-gradient(ellipse 50% 35% at 90% 80%, rgba(212, 173, 46, 0.05), transparent 60%);
  pointer-events: none;
}
.building-guide-intro { position: relative; max-width: 680px; margin: 0 auto 40px; }
.building-guide-intro .section-body { margin-top: 12px; }

.building-guide-shell {
  position: relative;
  margin-top: 8px;
  padding: 28px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}

.building-type-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 5px;
  border-radius: 14px;
  background: var(--base-soft);
  border: 1px solid var(--panel-border);
  margin-bottom: 28px;
}
.building-type-tab {
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--slate-warm);
  cursor: pointer;
  transition: background 0.5s var(--silk-ease), color 0.5s var(--silk-ease), border-color 0.5s var(--silk-ease), box-shadow 0.5s var(--silk-ease);
}
.building-type-tab:hover { color: var(--ivory); }
.building-type-tab.active {
  background: #fff;
  color: var(--ivory);
  border-color: var(--panel-border);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
}

.building-guide-layout {
  display: grid;
  grid-template-columns: minmax(240px, 340px) 1fr;
  gap: 24px;
  align-items: stretch;
}

.building-schematic {
  padding: 20px;
  border-radius: 20px;
  background: linear-gradient(180deg, var(--base-soft) 0%, rgba(255,255,255,0.6) 100%);
  border: 1px solid var(--panel-border);
}
.building-schematic-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-warm);
  margin-bottom: 14px;
}
.building-schematic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 10px;
}
.building-zone {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  text-align: left;
  padding: 16px 14px;
  border-radius: 16px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.5s var(--silk-ease), border-color 0.5s var(--silk-ease), box-shadow 0.5s var(--silk-ease), background 0.5s var(--silk-ease);
}
.building-zone:first-child { grid-column: 1 / -1; }
.building-zone-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--base-soft);
  color: var(--graphite-soft);
  border: 1px solid var(--panel-border);
  transition: background 0.5s var(--silk-ease), color 0.5s var(--silk-ease);
}
.building-zone-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ivory);
  line-height: 1.3;
}
.building-zone-hint {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--slate-warm);
  letter-spacing: 0.03em;
}
.building-zone[data-trade="water"].active,
.building-zone[data-trade="water"]:hover { border-color: rgba(74, 143, 212, 0.35); }
.building-zone[data-trade="heat"].active,
.building-zone[data-trade="heat"]:hover { border-color: rgba(217, 126, 58, 0.35); }
.building-zone[data-trade="cool"].active,
.building-zone[data-trade="cool"]:hover { border-color: rgba(79, 184, 212, 0.35); }
.building-zone[data-trade="power"].active,
.building-zone[data-trade="power"]:hover { border-color: rgba(212, 173, 46, 0.35); }
.building-zone.active {
  box-shadow: var(--shadow-soft);
  background: #fff;
  transform: translateY(-2px);
}
.building-zone[data-trade="water"].active .building-zone-icon { background: rgba(74, 143, 212, 0.12); color: #2A6FA8; }
.building-zone[data-trade="heat"].active .building-zone-icon { background: rgba(217, 126, 58, 0.12); color: #B8622A; }
.building-zone[data-trade="cool"].active .building-zone-icon { background: rgba(79, 184, 212, 0.12); color: #2E8FA8; }
.building-zone[data-trade="power"].active .building-zone-icon { background: rgba(212, 173, 46, 0.12); color: #9A7A1A; }

.building-panel {
  padding: 28px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--panel-border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
  transition: opacity 0.35s var(--silk-ease);
}
.building-panel.is-updating { opacity: 0.55; }
.building-panel-head { margin-bottom: 14px; }
.building-panel-tag {
  display: inline-block;
  font-size: 8px;
  padding: 4px 8px;
  margin-bottom: 10px;
}
.building-panel-title {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ivory);
  line-height: 1.25;
}
.building-panel-lead {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--graphite-soft);
  margin-bottom: 20px;
}
.building-panel-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
}
.building-panel-points li {
  position: relative;
  padding-left: 22px;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--graphite-soft);
}
.building-panel-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--panel-accent, var(--trade-water));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--panel-accent, var(--trade-water)) 18%, transparent);
}
.building-panel-insight {
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--base-soft);
  border: 1px solid var(--panel-border);
  border-left: 3px solid var(--panel-accent, var(--trade-water));
}
.building-panel-insight-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-warm);
  margin-bottom: 6px;
}
.building-panel-insight p {
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--graphite);
  margin: 0;
}

.building-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--panel-border);
}
.building-fact {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--panel-border);
}
.building-fact-value {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ivory);
  background: var(--base-soft);
  border: 1px solid var(--panel-border);
}
.building-fact-label {
  font-size: 0.76rem;
  line-height: 1.55;
  color: var(--graphite-soft);
}

/* ══════════════════════════════════
   FAQ
   ══════════════════════════════════ */
.faq-list { max-width: 720px; margin: 48px auto 0; }
.faq-controls {
  display: flex; justify-content: flex-end; margin-bottom: 8px;
}
.faq-toggle-all {
  background: none; border: 1px solid var(--panel-border); border-radius: 100px;
  padding: 8px 20px; font-family: inherit;
  font-size: 9px; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--slate-warm); cursor: pointer;
  transition: color 0.6s var(--silk-ease), border-color 0.6s var(--silk-ease);
}
.faq-toggle-all:hover { color: var(--ivory); border-color: rgba(156,163,175,0.2); }
.faq-item {
  border-bottom: 1px solid var(--panel-border); overflow: hidden;
}
.faq-question {
  width: 100%; background: none; border: none; padding: 24px 0;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; font-family: inherit;
  font-size: 0.95rem; font-weight: 400; color: var(--ivory);
  text-align: left;
  transition: color 0.6s var(--silk-ease);
}
.faq-question:hover { color: var(--silver); }
.faq-icon {
  width: 20px; height: 20px; position: relative; flex-shrink: 0; margin-left: 20px;
}
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; background: var(--slate-warm);
  transition: transform 0.6s var(--silk-ease), opacity 0.4s ease;
}
.faq-icon::before { width: 12px; height: 1px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.faq-icon::after { width: 1px; height: 12px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.faq-item.open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 1s var(--silk-ease);
}
.faq-answer-inner {
  overflow: hidden;
  padding: 0;
  font-size: 0.88rem; font-weight: 300; line-height: 1.8; color: var(--slate-light);
  transition: padding 0.8s var(--silk-ease);
}
.faq-answer-inner a {
  color: var(--trade-water);
  text-decoration: none;
  transition: color 0.6s var(--silk-ease);
}
.faq-answer-inner a:hover { color: var(--ivory); }
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-item.open .faq-answer-inner { padding: 0 0 24px; }

.faq-page-hero {
  padding: 140px 0 24px;
  text-align: center;
}
.faq-page-hero .section-body {
  margin-left: auto;
  margin-right: auto;
}
.faq-page-content {
  padding-top: 0;
  padding-bottom: 96px;
}
.faq-page-content .faq-list {
  margin-top: 0;
}

/* ══════════════════════════════════
   CONTACT PAGE
   ══════════════════════════════════ */
.contact-page-hero {
  padding: 140px 0 24px;
  text-align: center;
}
.contact-page-hero .section-body {
  margin-left: auto;
  margin-right: auto;
}
.contact-page-content {
  padding-top: 0;
  padding-bottom: 96px;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: start;
}
.contact-form-shell,
.contact-info-shell {
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.contact-form-shell {
  padding: 32px 32px 36px;
}
.contact-form-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.contact-form-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ivory);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact-field label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-warm);
}
.contact-field input,
.contact-field select,
.contact-field textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.88);
  color: var(--ivory);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 400;
  transition: border-color 0.6s var(--silk-ease), box-shadow 0.6s var(--silk-ease), background 0.6s var(--silk-ease);
}
.contact-field input::placeholder,
.contact-field textarea::placeholder {
  color: var(--slate-light);
  opacity: 0.7;
}
.contact-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235C6574' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.contact-field textarea {
  resize: vertical;
  min-height: 132px;
}
.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: rgba(74, 143, 212, 0.45);
  box-shadow: 0 0 0 3px rgba(74, 143, 212, 0.12);
  background: #fff;
}
.contact-submit {
  width: 100%;
  margin-top: 4px;
  padding: 16px 24px;
  border-radius: 100px;
}
.contact-info-shell {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
}
.contact-info-card {
  padding: 18px 18px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.contact-info-card-accent {
  background: linear-gradient(135deg, rgba(74, 143, 212, 0.08), rgba(79, 184, 212, 0.06));
  border-color: rgba(74, 143, 212, 0.14);
}
.contact-info-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate-warm);
  margin-bottom: 14px;
}
.contact-info-link,
.contact-info-text {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--graphite);
  text-decoration: none;
}
.contact-info-link:hover { color: var(--ivory); }
.contact-info-link svg,
.contact-info-text svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--trade-water);
}
.contact-hours {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact-hours div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.84rem;
}
.contact-hours dt {
  color: var(--graphite);
  font-weight: 500;
}
.contact-hours dd {
  color: var(--ivory);
  font-weight: 600;
}
.contact-info-note {
  margin-top: 12px;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--slate-light);
}
.contact-map-section {
  padding-top: 0;
  padding-bottom: 96px;
}
.contact-map-intro {
  max-width: 640px;
  margin-bottom: 28px;
}
.contact-map-intro .section-body {
  max-width: none;
  margin-top: 8px;
}
.contact-map-shell {
  border-radius: 28px;
  overflow: hidden;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.contact-map-frame {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
  background: var(--base-soft);
}
.contact-map-foot {
  display: flex;
  justify-content: flex-end;
  padding: 14px 18px;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
  background: rgba(255, 255, 255, 0.88);
}
.contact-map-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--trade-water);
  text-decoration: none;
  transition: color 0.6s var(--silk-ease);
}
.contact-map-link:hover { color: var(--ivory); }
.contact-map-link svg { opacity: 0.85; }

.contact-field.is-invalid input,
.contact-field.is-invalid select,
.contact-field.is-invalid textarea {
  border-color: rgba(217, 126, 58, 0.55);
  box-shadow: 0 0 0 3px rgba(217, 126, 58, 0.12);
}
.contact-field-error {
  font-size: 0.76rem;
  line-height: 1.45;
  color: #B8622A;
}

.contact-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 99980;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s var(--silk-ease), visibility 0.45s var(--silk-ease);
}
.contact-modal-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 99985;
  display: grid;
  place-items: center;
  padding: 24px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s var(--silk-ease), visibility 0.45s var(--silk-ease);
}
.contact-modal.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.contact-modal-shell {
  position: relative;
  width: min(100%, 480px);
  padding: 22px 22px 24px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 249, 251, 0.99) 100%);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(15, 23, 42, 0.04),
    0 24px 70px rgba(15, 23, 42, 0.18);
  overflow: hidden;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.55s var(--silk-ease);
}
.contact-modal.is-visible .contact-modal-shell {
  transform: translateY(0) scale(1);
}
.contact-modal-shell::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(91, 155, 213, 0.35) 0%,
    rgba(232, 146, 74, 0.18) 35%,
    rgba(110, 196, 219, 0.15) 55%,
    rgba(232, 197, 71, 0.2) 75%,
    rgba(91, 155, 213, 0.28) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.65;
  pointer-events: none;
}
.contact-panel-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.contact-panel-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(91, 155, 213, 0.03) 0, rgba(91, 155, 213, 0.03) 1px, transparent 1px, transparent 24px),
    repeating-linear-gradient(0deg, rgba(232, 146, 74, 0.02) 0, rgba(232, 146, 74, 0.02) 1px, transparent 1px, transparent 24px);
  opacity: 0.8;
}
.contact-modal-rivet {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  z-index: 2;
  background: radial-gradient(circle at 35% 30%, #7a8490, #3a4048);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.15), 0 1px 2px rgba(0, 0, 0, 0.35);
}
.contact-modal-rivet-tl { top: 8px; left: 8px; }
.contact-modal-rivet-tr { top: 8px; right: 8px; }
.contact-modal-rivet-bl { bottom: 8px; left: 8px; }
.contact-modal-rivet-br { bottom: 8px; right: 8px; }
.contact-modal-inner {
  position: relative;
  z-index: 1;
}
.contact-modal-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.contact-modal-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ivory);
}
.contact-modal-text {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--slate-light);
  margin-bottom: 16px;
}
.contact-modal-errors {
  list-style: none;
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(217, 126, 58, 0.08);
  border: 1px solid rgba(217, 126, 58, 0.16);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contact-modal-errors li {
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--graphite);
}
.contact-modal-errors strong {
  color: #B8622A;
  font-weight: 600;
}
.contact-modal-btn {
  width: 100%;
}
body.contact-modal-open {
  overflow: hidden;
}

/* ══════════════════════════════════
   ABOUT PAGE
   ══════════════════════════════════ */
.about-page-hero {
  padding: 140px 0 32px;
  text-align: center;
}
.about-page-hero .section-body {
  margin-left: auto;
  margin-right: auto;
}
.about-story-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.about-story-visual {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--panel-border);
}
.about-story-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}
.about-story-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
}
.about-story-copy .section-body + .section-body {
  margin-top: 16px;
}
.about-pillars-intro,
.about-principles-intro,
.about-path-intro {
  margin-bottom: 36px;
}
.about-pillars-shell,
.about-path-shell {
  padding: 28px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.about-pillar-tabs,
.about-path-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.about-pillar-tab,
.about-path-step {
  padding: 10px 18px;
  border-radius: 100px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.72);
  font-family: inherit;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-light);
  cursor: pointer;
  transition: color 0.5s var(--silk-ease), border-color 0.5s var(--silk-ease), background 0.5s var(--silk-ease), transform 0.5s var(--silk-ease);
}
.about-pillar-tab:hover,
.about-path-step:hover {
  color: var(--ivory);
  transform: translateY(-1px);
}
.about-pillar-tab.active,
.about-path-step.active {
  color: var(--ivory);
  border-color: rgba(74, 143, 212, 0.28);
  background: rgba(74, 143, 212, 0.1);
}
.about-pillar-tab[data-trade="heat"].active {
  border-color: rgba(217, 126, 58, 0.28);
  background: rgba(217, 126, 58, 0.1);
}
.about-pillar-tab[data-trade="cooling"].active {
  border-color: rgba(79, 184, 212, 0.28);
  background: rgba(79, 184, 212, 0.1);
}
.about-pillar-tab[data-trade="water"].active {
  border-color: rgba(74, 143, 212, 0.28);
  background: rgba(74, 143, 212, 0.1);
}
.about-pillar-panel-grid {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 32px;
  align-items: center;
}
.about-pillar-panel.is-updating {
  opacity: 0.55;
  transform: translateY(6px);
  transition: opacity 0.35s var(--silk-ease), transform 0.35s var(--silk-ease);
}
.about-pillar-tag { margin-bottom: 14px; display: inline-flex; }
.about-pillar-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ivory);
  margin-bottom: 14px;
}
.about-pillar-lead {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--slate-light);
  margin-bottom: 18px;
}
.about-pillar-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 1.1em;
}
.about-pillar-list li {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--graphite-soft);
}
.about-pillar-panel-visual {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.about-pillar-panel-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}
.about-principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}
.about-principle-card {
  text-align: left;
  padding: 22px 20px;
  border-radius: 22px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform 0.55s var(--silk-ease), border-color 0.55s var(--silk-ease), box-shadow 0.55s var(--silk-ease);
}
.about-principle-card:hover { transform: translateY(-3px); }
.about-principle-card.active {
  border-color: rgba(74, 143, 212, 0.28);
  box-shadow: var(--shadow-medium);
}
.about-principle-card[data-trade="heat"].active { border-color: rgba(217, 126, 58, 0.28); }
.about-principle-card[data-trade="cooling"].active { border-color: rgba(79, 184, 212, 0.28); }
.about-principle-card[data-trade="power"].active { border-color: rgba(212, 173, 46, 0.28); }
.about-principle-index {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--slate-light);
  margin-bottom: 12px;
}
.about-principle-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 10px;
}
.about-principle-text {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--slate-light);
}
.about-principle-detail {
  padding: 22px 24px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(74, 143, 212, 0.08), rgba(255, 255, 255, 0.92));
  border: 1px solid rgba(74, 143, 212, 0.14);
}
.about-principle-detail-label {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-warm);
  margin-bottom: 10px;
}
.about-principle-detail-inner p {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--graphite);
}
.about-split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0;
}
.about-split-row + .about-split-row {
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}
.about-split-row.reverse .about-split-visual { order: 2; }
.about-split-row.reverse .about-split-copy { order: 1; }
.about-split-visual {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.about-split-visual img {
  display: block;
  width: 100%;
  min-height: 320px;
  object-fit: cover;
}
.about-path-panel {
  padding: 24px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.about-path-panel.is-updating {
  opacity: 0.55;
  transform: translateY(6px);
  transition: opacity 0.35s var(--silk-ease), transform 0.35s var(--silk-ease);
}
.about-path-tag { margin-bottom: 12px; display: inline-flex; }
.about-path-title {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ivory);
  margin-bottom: 12px;
}
.about-path-text {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--slate-light);
}
.about-cta {
  padding-bottom: 96px;
}
.about-cta-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 32px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.about-cta-shell .section-body {
  margin: 0 auto 24px;
}
.about-cta-shell .btn-primary {
  margin: 0 auto;
}

/* ══════════════════════════════════
   HOW IT WORKS PAGE
   ══════════════════════════════════ */
.how-page-hero {
  padding: 140px 0 32px;
  text-align: center;
}
.how-page-hero .section-body {
  margin-left: auto;
  margin-right: auto;
}
.how-flow-intro,
.how-trades-intro {
  margin-bottom: 36px;
}
.how-flow-shell,
.how-trades-shell {
  padding: 28px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.how-flow-track {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.how-flow-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 100px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.72);
  font-family: inherit;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-light);
  cursor: pointer;
  transition: color 0.5s var(--silk-ease), border-color 0.5s var(--silk-ease), background 0.5s var(--silk-ease), transform 0.5s var(--silk-ease);
}
.how-flow-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.06);
  font-size: 8px;
  letter-spacing: 0;
}
.how-flow-step:hover { color: var(--ivory); transform: translateY(-1px); }
.how-flow-step.active {
  color: var(--ivory);
  border-color: rgba(74, 143, 212, 0.28);
  background: rgba(74, 143, 212, 0.1);
}
.how-flow-step[data-trade="heat"].active {
  border-color: rgba(217, 126, 58, 0.28);
  background: rgba(217, 126, 58, 0.1);
}
.how-flow-step[data-trade="cooling"].active {
  border-color: rgba(79, 184, 212, 0.28);
  background: rgba(79, 184, 212, 0.1);
}
.how-flow-step[data-trade="power"].active {
  border-color: rgba(212, 173, 46, 0.28);
  background: rgba(212, 173, 46, 0.1);
}
.how-day-layout,
.how-proof-row,
.how-survey-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.how-flow-panel {
  padding: 24px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.how-flow-panel.is-updating,
.how-trade-panel.is-updating {
  opacity: 0.55;
  transform: translateY(6px);
  transition: opacity 0.35s var(--silk-ease), transform 0.35s var(--silk-ease);
}
.how-flow-tag,
.how-trade-tag {
  margin-bottom: 14px;
  display: inline-flex;
}
.how-flow-title,
.how-trade-title {
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ivory);
  margin-bottom: 14px;
}
.how-flow-lead {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--slate-light);
  margin-bottom: 18px;
}
.how-flow-list,
.how-trade-list,
.how-proof-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 1.1em;
}
.how-flow-list li,
.how-trade-list li,
.how-proof-list li {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--graphite-soft);
}
.how-day-visual,
.how-proof-visual {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.how-day-visual img,
.how-proof-visual img {
  display: block;
  width: 100%;
  min-height: 280px;
  object-fit: cover;
}
.how-day-visual { position: relative; }
.how-day-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
}
.how-trade-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}
.how-trade-tab {
  padding: 10px 18px;
  border-radius: 100px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.72);
  font-family: inherit;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-light);
  cursor: pointer;
  transition: color 0.5s var(--silk-ease), border-color 0.5s var(--silk-ease), background 0.5s var(--silk-ease);
}
.how-trade-tab.active,
.how-trade-tab[data-trade="plumbing"].active {
  color: var(--ivory);
  border-color: rgba(74, 143, 212, 0.28);
  background: rgba(74, 143, 212, 0.1);
}
.how-trade-tab[data-trade="heating"].active {
  border-color: rgba(217, 126, 58, 0.28);
  background: rgba(217, 126, 58, 0.1);
}
.how-trade-tab[data-trade="cooling"].active {
  border-color: rgba(79, 184, 212, 0.28);
  background: rgba(79, 184, 212, 0.1);
}
.how-trade-tab[data-trade="electrical"].active {
  border-color: rgba(212, 173, 46, 0.28);
  background: rgba(212, 173, 46, 0.1);
}
.how-trade-panel {
  padding: 22px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.how-trade-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.how-trade-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-warm);
  margin-bottom: 12px;
}
.how-day-phases {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 16px;
}
.how-day-phase {
  padding: 10px 16px;
  border-radius: 100px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.72);
  font-family: inherit;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-light);
  cursor: pointer;
  transition: color 0.5s var(--silk-ease), border-color 0.5s var(--silk-ease), background 0.5s var(--silk-ease);
}
.how-day-phase.active {
  color: var(--ivory);
  border-color: rgba(79, 184, 212, 0.28);
  background: rgba(79, 184, 212, 0.1);
}
.how-day-phase-panel {
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.how-day-phase-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 10px;
}
.how-day-phase-text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--slate-light);
}
.how-proof-row,
.how-survey-row { padding: 24px 0; }
.how-survey-row.reverse .how-proof-visual { order: 1; }
.how-survey-row.reverse .how-proof-copy { order: 2; }
.how-cta { padding-bottom: 96px; }
.how-cta-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 32px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.how-cta-shell .section-body { margin: 0 auto 24px; }
.how-cta-shell .btn-primary { margin: 0 auto; }

/* ══════════════════════════════════
   WHAT WE DO PAGE
   ══════════════════════════════════ */
.wwd-page-hero {
  padding: 140px 0 32px;
  text-align: center;
}
.wwd-page-hero .section-body {
  margin-left: auto;
  margin-right: auto;
}
.wwd-services {
  padding-top: 0;
  padding-bottom: 96px;
}
.wwd-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.wwd-card {
  display: flex;
  flex-direction: column;
  border-radius: 24px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform 0.6s var(--silk-ease), box-shadow 0.6s var(--silk-ease);
}
.wwd-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}
.wwd-card[data-trade="water"] { --wwd-accent: var(--trade-water); }
.wwd-card[data-trade="heat"] { --wwd-accent: var(--trade-heat); }
.wwd-card[data-trade="cool"] { --wwd-accent: var(--trade-cool); }
.wwd-card[data-trade="power"] { --wwd-accent: var(--trade-power); }
.wwd-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.wwd-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--silk-ease);
}
.wwd-card:hover .wwd-card-media img { transform: scale(1.05); }
.wwd-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.35) 0%, transparent 55%);
  pointer-events: none;
}
.wwd-card-tag {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 1;
}
.wwd-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px 24px 28px;
  border-top: 3px solid var(--wwd-accent, var(--trade-water));
}
.wwd-card-title {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ivory);
  margin-bottom: 12px;
}
.wwd-card-text {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--slate-light);
  margin-bottom: 20px;
}
.wwd-card .btn-secondary {
  align-self: flex-start;
  padding: 12px 28px;
  font-size: 10px;
}

/* ══════════════════════════════════
   SERVICE DETAIL PAGES
   ══════════════════════════════════ */
.svc-page-hero {
  padding: 140px 0 32px;
  max-width: 900px;
}
.svc-breadcrumb {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-light);
  margin-bottom: 20px;
}
.svc-breadcrumb a {
  color: var(--trade-water);
  text-decoration: none;
  transition: color 0.6s var(--silk-ease);
}
.svc-breadcrumb a:hover { color: var(--ivory); }
.svc-detail-intro { padding-top: 0; }
.svc-detail-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: start;
}
.svc-detail-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.svc-detail-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.svc-detail-visual .svc-detail-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
}
.svc-detail-lead .section-title {
  margin-bottom: 18px;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}
.svc-detail-lead .section-body + .section-body { margin-top: 14px; }
.svc-detail-body {
  padding-top: 48px;
  padding-bottom: 48px;
}
.svc-detail-shell {
  max-width: 900px;
  padding: 36px 40px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.svc-detail-shell[data-trade="water"] { border-top: 3px solid var(--trade-water); }
.svc-detail-shell[data-trade="heat"] { border-top: 3px solid var(--trade-heat); }
.svc-detail-shell[data-trade="cool"] { border-top: 3px solid var(--trade-cool); }
.svc-detail-shell[data-trade="power"] { border-top: 3px solid var(--trade-power); }
.svc-detail-block + .svc-detail-block {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}
.svc-detail-block h2 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ivory);
  margin-bottom: 14px;
}
.svc-detail-block p {
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--slate-light);
  margin-bottom: 12px;
}
.svc-detail-block p:last-child { margin-bottom: 0; }
.svc-detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.svc-detail-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--slate-light);
}
.svc-detail-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--trade-water);
  opacity: 0.85;
}
.svc-detail-shell[data-trade="heat"] .svc-detail-list li::before { background: var(--trade-heat); }
.svc-detail-shell[data-trade="cool"] .svc-detail-list li::before { background: var(--trade-cool); }
.svc-detail-shell[data-trade="power"] .svc-detail-list li::before { background: var(--trade-power); }
.svc-detail-cta {
  padding-bottom: 96px;
}
.svc-detail-cta-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 32px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
  text-align: center;
}
.svc-detail-cta-shell .section-body { margin: 0 auto 24px; }
.svc-detail-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  align-items: center;
}

/* ── Scroll to top ── */
.scroll-top-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  color: var(--ivory);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.92);
  transition: opacity 0.5s var(--silk-ease), transform 0.5s var(--silk-ease), visibility 0.5s, border-color 0.5s var(--silk-ease), box-shadow 0.5s var(--silk-ease);
}
.scroll-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.scroll-top-btn:hover {
  transform: translateY(-2px) scale(1.04);
  border-color: rgba(74, 143, 212, 0.35);
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
}
.scroll-top-btn svg { width: 20px; height: 20px; }
.scroll-top-btn.is-offset { bottom: 120px; }

/* ══════════════════════════════════
   CATALOG PAGE
   ══════════════════════════════════ */
.catalog-page-hero {
  padding: 140px 0 32px;
  text-align: center;
}
.catalog-page-hero .section-body {
  margin-left: auto;
  margin-right: auto;
}
.catalog-ranges { padding-top: 0; }
.catalog-ranges-shell {
  padding: 32px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
  border-top: 3px solid var(--trade-cool);
}
.catalog-ranges-head { margin-bottom: 28px; }
.catalog-ranges-table-wrap {
  overflow-x: auto;
  margin-bottom: 16px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.catalog-ranges-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}
.catalog-ranges-table th,
.catalog-ranges-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 0.86rem;
  line-height: 1.5;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.catalog-ranges-table thead th {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-warm);
  background: rgba(79, 184, 212, 0.06);
}
.catalog-ranges-table tbody tr:last-child td { border-bottom: none; }
.catalog-ranges-table tbody td {
  color: var(--slate-light);
  font-weight: 300;
}
.catalog-ranges-table tbody td:first-child {
  font-weight: 600;
  color: var(--graphite);
}
.catalog-ranges-table tbody td:nth-child(4),
.catalog-ranges-table tbody td:nth-child(5) {
  font-weight: 600;
  color: var(--ivory);
  white-space: nowrap;
}
.catalog-ranges-note {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--slate-light);
  opacity: 0.85;
}
.catalog-products-intro { margin-bottom: 36px; }
.catalog-product + .catalog-product { margin-top: 56px; }
.catalog-product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.catalog-product-layout.reverse .catalog-product-visual { order: 2; }
.catalog-product-layout.reverse .catalog-product-copy { order: 1; }
.catalog-product-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.catalog-product-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.catalog-product-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
}
.catalog-product-title {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ivory);
  margin-bottom: 12px;
}
.catalog-product-lead {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--slate-light);
  margin-bottom: 18px;
}
.catalog-product-price {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 18px;
  margin-bottom: 20px;
  border-radius: 14px;
  background: rgba(79, 184, 212, 0.08);
  border: 1px solid rgba(79, 184, 212, 0.18);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ivory);
}
.catalog-product-price span {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--trade-cool);
  opacity: 0.9;
}
.catalog-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 22px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.catalog-spec-table th,
.catalog-spec-table td {
  padding: 11px 14px;
  font-size: 0.84rem;
  line-height: 1.5;
  text-align: left;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.catalog-spec-table tr:last-child th,
.catalog-spec-table tr:last-child td { border-bottom: none; }
.catalog-spec-table th {
  width: 38%;
  font-weight: 600;
  color: var(--graphite);
  background: rgba(15, 23, 42, 0.03);
}
.catalog-spec-table td {
  color: var(--slate-light);
  font-weight: 300;
}
.catalog-gallery { padding-top: 24px; }
.catalog-gallery-intro { margin-bottom: 28px; }
.catalog-gallery-shell {
  padding: 24px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.catalog-gallery-stage {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.catalog-gallery-stage img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: opacity 0.4s var(--silk-ease);
}
.catalog-gallery-stage img.is-fading { opacity: 0.45; }
.catalog-gallery-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 18px;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #fff;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.72), transparent);
}
.catalog-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
.catalog-gallery-thumb {
  padding: 0;
  border: 2px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background: none;
  transition: border-color 0.4s var(--silk-ease), transform 0.4s var(--silk-ease);
}
.catalog-gallery-thumb:hover { transform: translateY(-2px); }
.catalog-gallery-thumb.active {
  border-color: var(--trade-cool);
  box-shadow: 0 8px 24px rgba(79, 184, 212, 0.18);
}
.catalog-gallery-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.catalog-cta { padding-bottom: 96px; }
.catalog-cta-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 32px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
  text-align: center;
}
.catalog-cta-shell .section-body { margin: 0 auto 24px; }
.catalog-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ══════════════════════════════════
   FOOTER CTA
   ══════════════════════════════════ */
/* ══════════════════════════════════
   LEGAL PAGES
   ══════════════════════════════════ */
.legal-hero {
  padding: 140px 0 32px;
  max-width: 820px;
}
.legal-hero .section-body {
  max-width: 640px;
}
.legal-hero .section-body a {
  color: var(--trade-water);
  text-decoration: none;
  transition: color 0.6s var(--silk-ease);
}
.legal-hero .section-body a:hover { color: var(--ivory); }
.legal-content {
  padding-top: 0;
  padding-bottom: 96px;
}
.legal-shell {
  max-width: 820px;
  padding: 36px 40px;
  border-radius: 28px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-soft);
}
.legal-block + .legal-block {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}
.legal-block h2 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ivory);
  margin-bottom: 14px;
}
.legal-block p {
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--slate-light);
  margin-bottom: 12px;
}
.legal-block p:last-child { margin-bottom: 0; }
.legal-block a {
  color: var(--trade-water);
  text-decoration: none;
  transition: color 0.6s var(--silk-ease);
}
.legal-block a:hover { color: var(--ivory); }
.legal-list {
  margin: 12px 0 14px;
  padding-left: 1.2em;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.legal-list li {
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--slate-light);
}
.legal-list li strong {
  font-weight: 600;
  color: var(--graphite);
}

/* ══════════════════════════════════
   COOKIE BANNER
   ══════════════════════════════════ */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99990;
  padding: 0 20px 20px;
  pointer-events: none;
  transform: translateY(calc(100% + 24px));
  opacity: 0;
  transition:
    transform 0.9s var(--silk-ease),
    opacity 0.9s var(--silk-ease);
}
.cookie-banner.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.cookie-banner.is-closing {
  transform: translateY(calc(100% + 24px));
  opacity: 0;
  pointer-events: none;
}
.cookie-banner-shell {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: 18px 20px 22px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 249, 251, 0.99) 100%);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(15, 23, 42, 0.04),
    0 20px 60px rgba(15, 23, 42, 0.14);
  overflow: hidden;
}
.cookie-banner-shell::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(91, 155, 213, 0.35) 0%,
    rgba(232, 146, 74, 0.18) 35%,
    rgba(110, 196, 219, 0.15) 55%,
    rgba(232, 197, 71, 0.2) 75%,
    rgba(91, 155, 213, 0.28) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.65;
  pointer-events: none;
}
.cookie-panel-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.cookie-panel-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(91, 155, 213, 0.03) 0, rgba(91, 155, 213, 0.03) 1px, transparent 1px, transparent 24px),
    repeating-linear-gradient(0deg, rgba(232, 146, 74, 0.02) 0, rgba(232, 146, 74, 0.02) 1px, transparent 1px, transparent 24px);
  opacity: 0.8;
}
.cookie-rivet {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  z-index: 2;
  background: radial-gradient(circle at 35% 30%, #7a8490, #3a4048);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.15), 0 1px 2px rgba(0, 0, 0, 0.35);
}
.cookie-rivet-tl { top: 8px; left: 8px; }
.cookie-rivet-tr { top: 8px; right: 8px; }
.cookie-rivet-bl { bottom: 8px; left: 8px; }
.cookie-rivet-br { bottom: 8px; right: 8px; }
.cookie-conduit {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 5px;
  border-radius: 3px;
  background: linear-gradient(180deg, #3a5060 0%, #1a2830 45%, #4a6878 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 2px 6px rgba(0, 0, 0, 0.25);
}
.cookie-flow {
  position: absolute;
  left: 14px;
  bottom: 7px;
  width: 48px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(110, 196, 219, 0.9), rgba(180, 235, 255, 1), rgba(110, 196, 219, 0.9), transparent);
  animation: cookieFlow 3.8s linear infinite;
}
@keyframes cookieFlow {
  0% { transform: translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(calc(760px - 80px)); opacity: 0; }
}
.cookie-banner-inner {
  position: relative;
  z-index: 1;
  padding-bottom: 10px;
}
.cookie-banner-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.cookie-banner-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ivory);
}
.cookie-banner-text {
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-light);
  max-width: 62ch;
  margin-bottom: 16px;
}
.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.cookie-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 16px;
  border-radius: 10px;
  font-family: inherit;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.6s var(--silk-ease), box-shadow 0.6s var(--silk-ease), background 0.6s var(--silk-ease), border-color 0.6s var(--silk-ease);
}
.cookie-btn:hover { transform: translateY(-1px); }
.cookie-btn-accept {
  background: linear-gradient(135deg, var(--trade-water) 0%, #3a7ab8 100%);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 22px rgba(74, 143, 212, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.cookie-btn-accept:hover {
  box-shadow: 0 12px 28px rgba(74, 143, 212, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.cookie-btn-reject {
  background: rgba(255, 255, 255, 0.72);
  color: var(--graphite);
  border-color: rgba(15, 23, 42, 0.1);
}
.cookie-btn-reject:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(15, 23, 42, 0.16);
}
.cookie-btn-settings,
.cookie-btn-save {
  background: transparent;
  color: var(--slate-light);
  border-color: rgba(15, 23, 42, 0.08);
}
.cookie-btn-settings:hover,
.cookie-btn-save:hover {
  color: var(--ivory);
  border-color: rgba(74, 143, 212, 0.28);
  background: rgba(74, 143, 212, 0.06);
}
.cookie-banner-settings {
  margin-bottom: 14px;
  padding: 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 23, 42, 0.06);
}
.cookie-banner-settings[hidden] { display: none; }
.cookie-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}
.cookie-setting-row + .cookie-setting-row {
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}
.cookie-setting-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.cookie-setting-name {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ivory);
}
.cookie-setting-desc {
  font-size: 12px;
  line-height: 1.5;
  color: var(--slate-light);
}
.cookie-setting-locked {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--trade-water);
  padding: 6px 10px;
  border-radius: 100px;
  background: rgba(74, 143, 212, 0.1);
  border: 1px solid rgba(74, 143, 212, 0.18);
}
.cookie-toggle {
  flex-shrink: 0;
  width: 48px;
  height: 26px;
  border-radius: 100px;
  background: var(--base-soft);
  border: 1px solid var(--panel-border);
  position: relative;
  cursor: pointer;
  transition: background 0.6s var(--silk-ease), border-color 0.6s var(--silk-ease);
}
.cookie-toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.12);
  transition: transform 0.6s var(--silk-ease);
}
.cookie-toggle.is-on {
  background: rgba(74, 143, 212, 0.18);
  border-color: rgba(74, 143, 212, 0.35);
}
.cookie-toggle.is-on .cookie-toggle-knob { transform: translateX(22px); }
.cookie-btn-save {
  width: 100%;
  margin-top: 12px;
}
.cookie-banner-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}
.cookie-banner-link {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-light);
  text-decoration: none;
  transition: color 0.6s var(--silk-ease);
}
.cookie-banner-link:hover { color: var(--ivory); }
.cookie-banner-link-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
}
.cookie-banner.is-settings .cookie-banner-actions { display: none; }
.cookie-banner-link-btn { display: none; }
.cookie-banner.is-settings .cookie-banner-link-btn { display: inline-flex; }
@media (max-width: 768px) {
  .cookie-banner { padding: 0 14px 14px; }
  .cookie-banner-shell { padding: 16px 16px 20px; border-radius: 16px; }
  .cookie-banner-actions { flex-direction: column; align-items: stretch; }
  .cookie-btn { width: 100%; }
  .cookie-banner-head { gap: 8px; }
}

.site-footer {
  padding: 80px 0 48px;
  border-top: 1px solid var(--panel-border);
}
.footer-main {
  margin-bottom: 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 1fr;
  gap: 48px;
  align-items: start;
}
.footer-col {
  min-width: 0;
}
.footer-logo-link {
  display: inline-flex;
  margin-bottom: 18px;
  text-decoration: none;
}
.footer-logo {
  display: block;
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}
.footer-about {
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--slate-light);
  max-width: 38ch;
}
.footer-heading {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--slate-warm);
  opacity: 0.75;
  margin-bottom: 18px;
}
.footer-hours {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-hours-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.footer-hours-row:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}
.footer-hours dt {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--graphite);
}
.footer-hours dd {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ivory);
  white-space: nowrap;
}
.footer-hours-note {
  margin-top: 14px;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--slate-light);
  opacity: 0.85;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-style: normal;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--graphite);
  text-decoration: none;
  transition: color 0.6s var(--silk-ease);
}
a.footer-contact-item:hover {
  color: var(--ivory);
}
.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--trade-water);
  opacity: 0.85;
}
.footer-cta { padding: 120px 0 80px; text-align: center; }
.footer-ctas { display: flex; justify-content: center; gap: 14px; margin-top: 40px; }
.footer-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(156, 163, 175, 0.08);
  text-align: center;
}
.footer-copy {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-light);
  opacity: 0.55;
}
.footer-copy a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.6s var(--silk-ease), color 0.6s var(--silk-ease);
}
.footer-copy a:hover {
  opacity: 0.85;
  color: var(--ivory);
}
.footer-copy-sep {
  margin: 0 0.35em;
  opacity: 0.65;
}
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; justify-content: flex-end; }
.footer-links a {
  font-size: 10px; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate-light); opacity: 0.5; text-decoration: none;
  transition: opacity 0.6s var(--silk-ease);
}
.footer-links a:hover { opacity: 0.8; }
.footer-credit {
  font-size: 10px; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate-light); opacity: 0.5;
}
.footer-credit a {
  color: var(--slate-light); text-decoration: none; text-transform: none; letter-spacing: 0.05em;
  transition: opacity 0.6s var(--silk-ease);
}
.footer-credit a:hover { opacity: 0.8; }

/* ══════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════ */
@media (max-width: 1320px) {
  .nav-location { display: none; }
  .nav-links a { padding: 9px 8px; font-size: 7.5px; gap: 5px; }
  .nav-links a svg { width: 12px; height: 12px; }
}

@media (max-width: 1200px) {
  .nav-email span { display: none; }
  .nav-email { padding: 9px 11px; }
  .nav-cta span { display: none; }
  .nav-cta { padding: 10px 12px; }
}

@media (max-width: 1024px) {
  .main { padding: 0 32px; }
  .site-header { padding: calc(16px + env(safe-area-inset-top, 0px)) 20px 0; }
  .site-header.scrolled { padding-top: calc(10px + env(safe-area-inset-top, 0px)); }
  .nav-links-wrap, .nav-actions { display: none; }
  .nav-shell { padding: 8px 10px 10px; }
  .nav-rivet { display: none; }
  .nav-conduit, .nav-flow { display: none; }
  .nav-brand { border-right: none; padding-right: 0; }
  .nav-toggle { display: block; }
  .hero-layout { grid-template-columns: 1fr; gap: 48px; }
  .hero-content { max-width: none; text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-chips, .hero-ctas { justify-content: center; }
  .hero-live { justify-content: center; }
  .hero-stats { max-width: 520px; margin: 0 auto; }
  .hero-visual { max-width: 420px; margin: 0 auto; }
  .hero-scene-badge-2 { left: 0; }
  .feature { grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
  .feature.reverse { direction: ltr; }
  .feature-content { padding-left: 18px; border-left-width: 3px; border-right: none; }
  .feature.reverse .feature-content { padding-left: 18px; border-right: none; }
  .feature-visual { height: 280px; border-radius: 24px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 520px; margin: 40px auto 0; }
  .testimonial-card-featured { transform: none; }
  .building-guide-layout { grid-template-columns: 1fr; }
  .building-facts { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-col-brand { grid-column: 1 / -1; }
  .contact-layout { grid-template-columns: 1fr; }
  .about-story-layout,
  .about-pillar-panel-grid,
  .about-split-row,
  .how-day-layout,
  .how-proof-row,
  .how-survey-row,
  .svc-detail-layout,
  .catalog-product-layout { grid-template-columns: 1fr; gap: 32px; }
  .catalog-product-layout.reverse .catalog-product-visual,
  .catalog-product-layout.reverse .catalog-product-copy { order: unset; }
  .catalog-gallery-thumbs { grid-template-columns: repeat(3, 1fr); }
  .wwd-services-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .about-split-row.reverse .about-split-visual,
  .about-split-row.reverse .about-split-copy,
  .how-survey-row.reverse .how-proof-visual,
  .how-survey-row.reverse .how-proof-copy { order: unset; }
  .about-principles-grid { grid-template-columns: repeat(2, 1fr); }
  .how-trade-columns { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main { padding: 0 20px; }
  .site-header { padding: calc(16px + env(safe-area-inset-top, 0px)) 16px 0; }
  .nav-brand-logo { height: 44px; max-width: 180px; }
  .hero { min-height: auto; padding: 128px 0 72px; }
  .legal-hero.section,
  .faq-page-hero.section,
  .contact-page-hero.section,
  .about-page-hero.section,
  .how-page-hero.section,
  .wwd-page-hero.section,
  .svc-page-hero.section,
  .catalog-page-hero.section {
    padding: 128px 0 24px;
  }
  .catalog-ranges-shell { padding: 20px; border-radius: 22px; }
  .catalog-ranges-table th,
  .catalog-ranges-table td { padding: 10px 12px; font-size: 0.8rem; }
  .catalog-gallery-shell { padding: 16px; border-radius: 22px; }
  .catalog-gallery-thumbs { grid-template-columns: repeat(2, 1fr); }
  .catalog-cta-shell { padding: 28px 22px; }
  .catalog-cta-actions { flex-direction: column; align-items: center; }
  .catalog-cta-actions .btn-primary,
  .catalog-cta-actions .btn-secondary { width: 100%; max-width: 280px; }
  .svc-detail-layout { grid-template-columns: 1fr; gap: 28px; }
  .svc-detail-shell { padding: 24px 20px; border-radius: 22px; }
  .svc-detail-cta-shell { padding: 28px 22px; }
  .svc-detail-cta-actions { flex-direction: column; }
  .svc-detail-cta-actions .btn-primary,
  .svc-detail-cta-actions .btn-secondary { width: 100%; max-width: 280px; }
  .scroll-top-btn { right: 16px; bottom: 16px; width: 44px; height: 44px; }
  .scroll-top-btn.is-offset { bottom: 100px; }
  .wwd-services.section {
    padding-top: 0;
    padding-bottom: 80px;
  }
  .wwd-services-grid { grid-template-columns: 1fr; gap: 20px; }
  .wwd-card-body { padding: 20px 20px 24px; }
  .wwd-card .btn-secondary {
    align-self: stretch;
    width: 100%;
    max-width: none;
    text-align: center;
  }
  .legal-content.section,
  .faq-page-content.section,
  .contact-page-content.section,
  .contact-map-section.section {
    padding-top: 0;
    padding-bottom: 80px;
  }
  .about-story-layout,
  .about-pillar-panel-grid,
  .about-split-row { grid-template-columns: 1fr; gap: 28px; }
  .about-split-row.reverse .about-split-visual,
  .about-split-row.reverse .about-split-copy { order: unset; }
  .about-principles-grid { grid-template-columns: 1fr; }
  .about-pillars-shell,
  .about-path-shell { padding: 20px; border-radius: 22px; }
  .about-cta-shell,
  .how-cta-shell { padding: 28px 22px; }
  .how-flow-shell,
  .how-trades-shell { padding: 20px; border-radius: 22px; }
  .how-flow-step { flex: 1 1 calc(50% - 8px); justify-content: center; }
  .contact-map-frame { height: 300px; }
  .contact-map-shell { border-radius: 22px; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-form-shell { padding: 24px 20px 28px; border-radius: 22px; }
  .contact-field-row { grid-template-columns: 1fr; }
  .legal-shell { padding: 24px 20px; border-radius: 22px; }
  .legal-block + .legal-block { margin-top: 28px; padding-top: 28px; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-stats { grid-template-columns: 1fr; }
  .hero-scene-badge { display: none; }
  .btn-primary, .btn-secondary { width: 100%; max-width: 280px; text-align: center; margin: 0 auto; }
  .section { padding: 80px 0; }
  .feature-visual { height: 240px; border-radius: 20px; }
  .pricing-card { padding: 32px 24px; border-radius: 28px; }
  .pricing-card.featured { padding-top: 52px; }
  .building-guide-shell { padding: 20px; border-radius: 22px; }
  .building-facts { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-about { max-width: none; }
  .footer-bar { flex-direction: column; gap: 20px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .footer-ctas { flex-direction: column; align-items: center; }
  .mobile-menu-inner { padding: 90px 20px 40px; }
  .preloader-stage { width: min(100%, 360px); }
  .preloader-frame { padding: 22px 20px 28px; border-radius: 26px; }
  .preloader-core { width: 128px; height: 128px; }
  .preloader-icon-shell { inset: 32px; }
  .preloader-icon { width: 68px; height: 68px; }
  .preloader-diorama { height: 76px; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 2.4rem; }
  .section-title { font-size: 1.7rem; }
  .building-guide-shell { padding: 20px; border-radius: 22px; }
  .building-facts { grid-template-columns: 1fr; }
  .mobile-menu-link { font-size: 1.4rem; }
}

@media (max-height: 540px) and (orientation: landscape) {
  .hero { min-height: auto; padding: 120px 0 40px; }
  .hero-layout { gap: 32px; }
  .hero-panel { min-height: auto; }
  .section { padding: 60px 0; }
  .mobile-menu-inner { padding: 64px 32px 24px; justify-content: flex-start; }
  .mobile-menu-link { font-size: 1.2rem; padding: 8px 0; }
}

@media (hover: hover) and (pointer: fine) {
  .pricing-card:hover { transform: scale(1.01); box-shadow: 0 12px 60px rgba(0,0,0,0.15); }
  .pricing-card:hover::before { opacity: 1; }
  .testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: rgba(15, 23, 42, 0.14);
  }
  .testimonial-card-featured:hover { transform: translateY(-16px); }
  .building-zone:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
}
@media (hover: none) {
  .pricing-card:hover, .testimonial-card:hover, .building-zone:hover { transform: none; }
  .nav-brand:hover .nav-brand-logo,
  .nav-brand:hover .nav-brand-logo-shine { animation: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-rain { display: none; }
  .nav-brand:hover .nav-brand-logo,
  .nav-brand:hover .nav-brand-logo-shine { animation: none; }
  .nav-brand-logo { transition: none; }
  .preloader-orbit-ring,
  .preloader-icon-ring,
  .preloader-icon-glow,
  .preloader-icon,
  .preloader-flow,
  .preloader-flow-2,
  .preloader-ring-burst,
  .preloader-particles span,
  .preloader-beam,
  .preloader-scanline,
  .preloader-mesh,
  .preloader-progress-shimmer,
  .preloader-progress-fill,
  .pld-pipe,
  .pld-valve,
  .pld-boiler-dial,
  .pld-ac-fan,
  .pld-breaker.active,
  .pld-drops span,
  .pld-sparks span { animation: none; }
  .preloader-progress-fill { width: 100% !important; }
}

/* Focus */
.btn-primary:focus-visible, .btn-secondary:focus-visible,
.nav-links a:focus-visible, .nav-toggle:focus-visible, .nav-email:focus-visible,
.hero-chip:focus-visible,
.mobile-menu-link:focus-visible, .faq-question:focus-visible,
.toggle-switch:focus-visible, .faq-toggle-all:focus-visible,
.cookie-btn:focus-visible, .cookie-toggle:focus-visible, .cookie-banner-link:focus-visible,
.footer-contact-item:focus-visible,
.footer-logo-link:focus-visible,
.footer-copy a:focus-visible,
.contact-field input:focus-visible,
.contact-field select:focus-visible,
.contact-field textarea:focus-visible,
.contact-info-link:focus-visible,
.contact-map-link:focus-visible,
.contact-modal-btn:focus-visible,
.about-pillar-tab:focus-visible,
.about-path-step:focus-visible,
.about-principle-card:focus-visible,
.how-flow-step:focus-visible,
.how-trade-tab:focus-visible,
.how-day-phase:focus-visible {
  outline: 2px solid var(--silver); outline-offset: 3px;
}