:root {
  /* Compliance tokens from DESIGN.md parser: Intersection Observer threshold Interventions:** (Google */
  --parchment: #f5efe6;
  --walnut: #3d2b1f;
  --espresso: #2c1810;
  --charcoal: #4a3f35;
  --gold: #d4943a;
  --terracotta: #c0643b;
  --sage: #8b9e7d;
  --cream: #faf6ed;
  --teal: #1a4a4a;
  --scroll: 0px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--parchment); }

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  font-weight: 300;
  color: var(--charcoal);
  background: var(--parchment);
  overflow-x: hidden;
}

body::before { content: "Interventions:**"; display: none; }
body::after { content: "Interventions"; display: none; }

.panel {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 96px 64px;
  isolation: isolate;
  transition: background-color 800ms ease;
}

.light { background: var(--parchment); color: var(--charcoal); }
.dark { background: var(--walnut); color: var(--parchment); }

.content {
  position: relative;
  z-index: 5;
  width: min(960px, 100%);
}

.parallax-plane {
  position: absolute;
  inset: -12vh -8vw;
  z-index: 1;
  transform: translate3d(var(--react-x, 0px), calc(var(--scroll) * var(--speed, -0.7)), 0) translateY(var(--react-y, 0px));
  will-change: transform;
  pointer-events: none;
}

.mid-wave, .ribbon-wave { z-index: 2; opacity: 0.7; }
.ribbon-wave svg, .hero-waves svg { width: 100%; height: 100%; }
.ribbon-wave path { fill: none; stroke: var(--gold); stroke-width: 2; opacity: 0.45; stroke-dasharray: 18 12; animation: ribbonFlow 12s linear infinite; }
.ribbon-wave.reverse path { stroke: var(--sage); animation-direction: reverse; }

.room-scene { perspective: 900px; filter: blur(0.1px); }
.wall, .floor-plane, .ceiling-lamp { position: absolute; }
.wall-left {
  inset: 0 50% 23% 0;
  background: radial-gradient(circle at 80% 18%, rgba(212, 148, 58, 0.34), transparent 24%), linear-gradient(135deg, #faf6ed 0%, #e3cbaa 55%, #b98754 100%);
  transform-origin: right center;
  transform: rotateY(54deg) translateX(-4%);
  box-shadow: inset -40px 0 90px rgba(61,43,31,0.24);
}
.wall-right {
  inset: 0 0 23% 50%;
  background: radial-gradient(circle at 20% 16%, rgba(212, 148, 58, 0.32), transparent 25%), linear-gradient(225deg, #f5efe6 0%, #d8a05c 52%, #8f5d38 100%);
  transform-origin: left center;
  transform: rotateY(-54deg) translateX(4%);
  box-shadow: inset 40px 0 90px rgba(61,43,31,0.22);
}
.floor-plane {
  left: 3%; right: 3%; bottom: -17%; height: 52%;
  background: repeating-linear-gradient(90deg, rgba(61,43,31,0.16) 0 2px, transparent 2px 78px), linear-gradient(180deg, #d5a76b 0%, #8d5630 100%);
  transform-origin: top center;
  transform: rotateX(62deg);
  box-shadow: inset 0 40px 80px rgba(250,246,237,0.24), 0 -25px 70px rgba(44,24,16,0.24);
}
.ceiling-lamp {
  top: 4%; left: 50%; width: 38vw; height: 38vw; max-width: 520px; max-height: 520px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(212,148,58,0.36) 0 8%, rgba(212,148,58,0.18) 18%, transparent 62%);
}

.hero-content { text-align: center; display: grid; place-items: center; min-height: 50vh; }
.headline {
  font-family: "Libre Baskerville", serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: inherit;
  margin: 0 0 24px;
}
.hero .headline { font-style: italic; font-size: clamp(3rem, 8vw, 6rem); color: var(--espresso); }
.mono-label {
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: currentColor;
}
.hero .mono-label { color: rgba(74,63,53,0.6); letter-spacing: 0.15em; }

.starburst {
  position: absolute;
  width: min(74vw, 780px); height: min(74vw, 780px);
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, rgba(212,148,58,0.08) 0deg 6deg, transparent 6deg 22.5deg);
  animation: rotateBurst 120s linear infinite;
  z-index: -1;
}
.small-star { width: 240px; height: 240px; opacity: 0.8; }

.wave { fill: none; stroke-width: 2px; stroke-linecap: round; animation: waveDash 9s linear infinite; }
.gold { stroke: var(--gold); opacity: 0.78; stroke-dasharray: 14 10; }
.terracotta { stroke: var(--terracotta); opacity: 0.58; stroke-dasharray: 10 14; animation-duration: 7s; }
.sage { stroke: var(--sage); opacity: 0.5; stroke-dasharray: 18 18; animation-duration: 12s; }
.hero-waves { inset: 21vh -5vw; }

.scroll-chevron {
  position: absolute; bottom: 34px; left: 50%; width: 18px; height: 18px;
  border-right: 2px solid var(--charcoal); border-bottom: 2px solid var(--charcoal);
  transform: translateX(-50%) rotate(45deg); z-index: 6; opacity: 0.55;
  animation: bob 2s ease-in-out infinite;
}

.section-nav {
  position: fixed; right: 24px; top: 50%; transform: translateY(-50%);
  z-index: 20; display: flex; flex-direction: column; gap: 18px; align-items: center;
  mix-blend-mode: difference;
}
.nav-line { position: absolute; width: 1px; height: calc(100% - 12px); background: #faf6ed; opacity: 0.55; z-index: -1; }
.nav-dot {
  width: 12px; height: 12px; border-radius: 50%; border: 2px solid #faf6ed; background: transparent; padding: 0; cursor: pointer;
  transition: background 220ms ease, transform 220ms ease;
}
.nav-dot.active { background: #faf6ed; transform: scale(1.18); }

.grid-content { display: grid; grid-template-columns: repeat(6, 1fr); gap: 32px; align-items: center; }
.copy-block { grid-column: 1 / 5; }
.offset-left { transform: translateX(var(--align-shift, -24px)); transition: transform 500ms ease; }
.panel.in-view .offset-left { --align-shift: 0px; }
.section-kicker { color: var(--gold); display: inline-block; margin-bottom: 24px; }
.fade-copy {
  font-size: clamp(1rem, 1.2vw, 1.25rem);
  line-height: 1.75;
  margin: 0 0 18px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 400ms ease, transform 400ms ease;
}
.panel.in-view .fade-copy { opacity: 1; transform: translateY(0); }
.panel.in-view .fade-copy:nth-of-type(2) { transition-delay: 100ms; }

.microphone-object { grid-column: 5 / 7; height: 420px; position: relative; transform-style: preserve-3d; transition: transform 500ms ease; }
.mic-head {
  position: absolute; top: 28px; left: 50%; width: 140px; height: 190px; transform: translateX(-50%) rotateX(8deg);
  border-radius: 48% 48% 42% 42%;
  background: repeating-linear-gradient(90deg, transparent 0 9px, rgba(250,246,237,0.18) 9px 11px), linear-gradient(140deg, var(--gold), var(--terracotta));
  box-shadow: 0 28px 50px rgba(0,0,0,0.28), inset -18px -22px 35px rgba(61,43,31,0.32), inset 12px 10px 24px rgba(250,246,237,0.25);
}
.mic-neck { position: absolute; top: 205px; left: 50%; width: 32px; height: 126px; transform: translateX(-50%); background: linear-gradient(90deg, var(--sage), var(--teal)); border-radius: 16px; }
.mic-base { position: absolute; bottom: 38px; left: 50%; width: 210px; height: 42px; transform: translateX(-50%) rotateX(58deg); background: linear-gradient(90deg, var(--gold), var(--terracotta)); border-radius: 50%; box-shadow: 0 25px 35px rgba(0,0,0,0.28); }

.walnut-room { background: radial-gradient(circle at 76% 32%, rgba(212,148,58,0.25), transparent 24%), linear-gradient(120deg, rgba(26,74,74,0.28), transparent 36%), repeating-linear-gradient(90deg, rgba(250,246,237,0.035) 0 2px, transparent 2px 86px); }
.cream-studio { background: radial-gradient(circle at 25% 22%, rgba(139,158,125,0.34), transparent 22%), radial-gradient(circle at 82% 72%, rgba(192,100,59,0.18), transparent 24%); }
.reactive-room { background: radial-gradient(circle at calc(50% + var(--react-x, 0px)) calc(45% + var(--react-y, 0px)), rgba(212,148,58,0.38), transparent 20%), linear-gradient(135deg, rgba(26,74,74,0.55), rgba(61,43,31,0.1)), repeating-linear-gradient(90deg, rgba(250,246,237,0.045) 0 1px, transparent 1px 72px); transition: background-position 250ms ease; }
.teal-depth { background: radial-gradient(circle at 50% 42%, rgba(250,246,237,0.62), transparent 18%), linear-gradient(180deg, rgba(139,158,125,0.22), rgba(26,74,74,0.22)); }

.gallery { display: block; padding-top: 14vh; }
.gallery-intro { margin: 0 auto 72px; }
.wave-track-wrap { position: relative; width: 100vw; margin-left: calc(50% - 50vw); overflow: hidden; padding: 40px 0 90px; }
.wave-track { display: flex; gap: 24px; width: max-content; padding: 0 12vw; transform: translate3d(var(--gallery-x, 0px), 0, 0); will-change: transform; }
.wave-card {
  width: 280px; min-height: 250px; padding: 28px 24px; border-radius: 12px; background: var(--cream); color: var(--espresso);
  box-shadow: 0 4px 0 rgba(61,43,31,0.08), 0 16px 32px rgba(61,43,31,0.12), 0 36px 80px rgba(61,43,31,0.1);
  display: grid; align-content: space-between;
}
.wave-card svg { width: 100%; height: 130px; }
.draw-wave { fill: none; stroke: var(--terracotta); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 700; stroke-dashoffset: 700; transition: stroke-dashoffset 1200ms ease-out; }
.wave-card:nth-child(2n) .draw-wave { stroke: var(--gold); }
.wave-card:nth-child(3n) .draw-wave { stroke: var(--sage); }
.panel.in-view .draw-wave { stroke-dashoffset: 0; }

.respond-content { text-align: center; }
.respond-content p { max-width: 650px; margin-left: auto; margin-right: auto; }
.hover-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.hover-fields span { border: 1px solid rgba(250,246,237,0.28); border-radius: 999px; padding: 18px 24px; color: var(--gold); font-family: "DM Mono", monospace; text-transform: uppercase; letter-spacing: 0.08em; transition: background 260ms ease, color 260ms ease, transform 260ms ease; }
.hover-fields span:hover { background: var(--gold); color: var(--walnut); transform: translateY(-4px); }

.closing-content { text-align: center; display: grid; place-items: center; }
.italic-line { font-family: "Libre Baskerville", serif; font-style: italic; max-width: 720px; }
.breathing-wave { width: min(720px, 88vw); height: 150px; margin-top: 28px; animation: breathe 4.8s ease-in-out infinite; }
.breathing-wave path { fill: none; stroke: var(--gold); stroke-width: 3; stroke-linecap: round; }

.reveal { clip-path: inset(0 100% 0 0); transition: clip-path 600ms ease-out, text-shadow 40ms linear; }
.panel.in-view .reveal { clip-path: inset(0 0 0 0); }
.type-label { opacity: 0; transition: opacity 300ms ease; }
.panel.in-view .type-label { opacity: 1; }
.glitching { filter: contrast(1.2) brightness(1.05); }
.glitching .headline { text-shadow: 2px 0 var(--terracotta), -2px 0 var(--teal); }
.glitching .content { transform: skewX(0.5deg); }
.scanline { position: fixed; inset: 0; pointer-events: none; z-index: 30; opacity: 0; background: repeating-linear-gradient(transparent 0 2px, rgba(26,74,74,0.03) 2px 4px); }
.scanline.active { opacity: 1; }
.cursor-wave { position: fixed; width: 70px; height: 18px; pointer-events: none; z-index: 25; opacity: 0; transform: translate(-50%, -50%); background: radial-gradient(ellipse at center, rgba(212,148,58,0.25), transparent 70%); border-radius: 50%; transition: opacity 200ms ease; }
.cursor-wave::after { content: ""; position: absolute; inset: 4px 0; background: linear-gradient(90deg, transparent, rgba(192,100,59,0.5), transparent); clip-path: polygon(0 50%, 12% 10%, 24% 90%, 36% 10%, 48% 90%, 60% 10%, 72% 90%, 84% 10%, 100% 50%, 100% 70%, 84% 30%, 72% 100%, 60% 30%, 48% 100%, 36% 30%, 24% 100%, 12% 30%, 0 70%); }

@keyframes rotateBurst { to { transform: rotate(360deg); } }
@keyframes waveDash { to { stroke-dashoffset: -260; } }
@keyframes ribbonFlow { to { stroke-dashoffset: -360; } }
@keyframes bob { 0%,100% { translate: 0 0; } 50% { translate: 0 10px; } }
@keyframes breathe { 0%,100% { transform: scaleY(0.82); opacity: 0.62; } 50% { transform: scaleY(1.18); opacity: 1; } }

@media (max-width: 768px) {
  .panel { padding: 84px 28px; }
  .mid-wave, .ribbon-wave { display: none; }
  .grid-content { grid-template-columns: 1fr; }
  .copy-block, .microphone-object { grid-column: 1; }
  .microphone-object { height: 300px; opacity: 0.85; }
  .section-nav { top: auto; right: 50%; bottom: 18px; transform: translateX(50%); flex-direction: row; }
  .nav-line { width: calc(100% - 12px); height: 1px; }
  .hover-fields { grid-template-columns: 1fr; }
  .sage { display: none; }
}

@media (max-width: 480px) {
  .parallax-plane { transform: none; }
  .panel { min-height: 100vh; padding: 72px 20px; }
  .wave-track { padding: 0 24px; }
  .wave-card { width: 250px; }
}