:root {
  /* Design parser terms: IntersectionObserver` `threshold: [0 (Google */
  --parchment: #f5efe6;
  --blush: #ede4d8;
  --rose: #e8d5c4;
  --umber: #2c2418;
  --bronze: #a89882;
  --honey: #c9a86c;
  --sage: #b8c4a8;
  --shadow: #3d3226;
  --display: "Caveat", cursive;
  --serif: "Cormorant Garamond", serif;
  --accent: "Space Grotesk", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--umber);
  background: linear-gradient(180deg, var(--parchment) 0%, var(--blush) 42%, var(--parchment) 100%);
  font-family: var(--serif);
  overflow-x: hidden;
}

.grain-source { position: absolute; }

.paper-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  filter: url(#grain);
  background: var(--shadow);
  z-index: 50;
}

.page-line {
  position: fixed;
  left: clamp(18px, 4vw, 54px);
  top: 0;
  width: 1px;
  height: 100vh;
  background: var(--honey);
  opacity: 0.35;
  z-index: 40;
  animation: pulseLine 12s ease-in-out infinite;
}

.perspective-stage {
  perspective: 1200px;
  overflow: hidden;
}

.scene {
  position: relative;
  min-height: 100vh;
  transform-style: preserve-3d;
  isolation: isolate;
}

.deep-wash {
  position: absolute;
  inset: -10vh -10vw;
  transform: translateZ(-40px) scale(1.08);
  background:
    radial-gradient(circle at 75% 18%, rgba(232, 213, 196, 0.45), transparent 32%),
    radial-gradient(circle at 22% 78%, rgba(184, 196, 168, 0.23), transparent 30%),
    linear-gradient(145deg, var(--parchment), var(--blush));
  z-index: -3;
}

.foreground {
  position: relative;
  transform: translateZ(60px);
  z-index: 3;
}

.label,
.subtitle,
.panel-mark,
.wave-label,
.signature span {
  font-family: var(--accent);
  font-size: clamp(0.65rem, 1vw, 0.8rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze);
  font-style: normal;
}

.foyer {
  display: block;
}

.foyer-copy {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(680px, 82vw);
  text-align: center;
  transform: translate3d(-50%, -50%, 60px);
}

.brand-word,
.archive h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 7vw, 6rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--umber);
  text-shadow: 0 18px 50px rgba(61, 50, 38, 0.1);
}

.brand-word span {
  display: inline-block;
  opacity: 0;
  filter: blur(8px);
  animation: writeFog 760ms ease-out forwards;
  animation-delay: calc(var(--i) * 120ms + 180ms);
}

.subtitle {
  margin-top: 1.25rem;
}

.descender {
  position: absolute;
  left: 50%;
  bottom: 8vh;
  width: 1px;
  height: 88px;
  background: var(--honey);
  transform-origin: top;
  animation: descend 3.8s ease-out infinite;
}

.gallery {
  min-height: 125vh;
}

.blob {
  position: absolute;
  transform: translateZ(0);
  filter: blur(12px);
  mix-blend-mode: multiply;
  z-index: 1;
  pointer-events: none;
}

.blob path { fill: currentColor; }

.blob-one {
  width: 40vw;
  min-width: 320px;
  right: -8vw;
  top: 8vh;
  color: rgba(232, 213, 196, 0.3);
  animation: driftOrbit 45s ease-in-out infinite;
}

.blob-two {
  width: 20vw;
  min-width: 180px;
  left: 10vw;
  top: 34vh;
  color: rgba(184, 196, 168, 0.25);
  animation: slowTurn 58s linear infinite;
}

.blob-three {
  width: 30vw;
  min-width: 260px;
  left: 50%;
  top: 50%;
  color: rgba(201, 168, 108, 0.15);
  animation: honeyPulse 20s ease-in-out infinite;
}

.glass-panel {
  position: absolute;
  width: min(620px, 76vw);
  padding: clamp(2rem, 5vw, 4rem);
  background: linear-gradient(135deg, rgba(232,213,196,0.6), rgba(245,239,230,0.3));
  border: 1px solid rgba(245, 239, 230, 0.55);
  box-shadow: 0 20px 60px rgba(61,50,38,0.08);
  backdrop-filter: blur(8px);
  transform-style: preserve-3d;
  transition: opacity 650ms ease-out, transform 650ms ease-out;
}

.glass-panel p {
  margin: 1rem 0 0;
  font-size: clamp(1.6rem, 3.2vw, 2.8rem);
  line-height: 1.25;
}

.panel-near {
  top: 13vh;
  left: 12vw;
  transform: translateZ(72px) rotate(-2deg);
  backdrop-filter: blur(4px);
}

.panel-middle {
  top: 42vh;
  right: 10vw;
  transform: translateZ(28px) rotate(1.5deg);
  backdrop-filter: blur(8px);
}

.panel-far {
  top: 73vh;
  left: 20vw;
  transform: translateZ(-12px) rotate(-0.8deg);
  backdrop-filter: blur(16px);
}

.archive {
  min-height: 155vh;
  padding: 14vh 0 16vh;
}

.archive-header {
  width: min(680px, 78vw);
  margin-left: clamp(54px, 14vw, 190px);
}

.wave-stack {
  position: relative;
  z-index: 3;
  width: min(980px, 82vw);
  margin: 8vh auto 0;
  transform: translateZ(42px);
}

.wave-item {
  margin: 8vh 0;
}

.wave-svg {
  display: block;
  width: 100%;
  height: clamp(96px, 16vw, 150px);
  overflow: visible;
}

.wave-svg path {
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  opacity: 0.82;
}

.wave-item p {
  margin: 0.3rem 0 0 9vw;
  color: var(--umber);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  line-height: 1.75;
  letter-spacing: 0.015em;
}

.mirror {
  min-height: 100vh;
  transition: background-color 500ms ease-out;
}

.mirror-copy {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(680px, 80vw);
  text-align: center;
  transform: translate3d(-50%, -50%, 60px);
}

.closing-line {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.8rem);
  line-height: 1.22;
  color: var(--umber);
}

.signature {
  margin: 3rem 0 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3.4rem);
  color: var(--umber);
}

.signature span {
  margin-left: 0.6rem;
}

@keyframes writeFog {
  to { opacity: 1; filter: blur(0); }
}

@keyframes descend {
  0% { transform: scaleY(0.25); opacity: 0.2; }
  45% { transform: scaleY(1); opacity: 0.75; }
  100% { transform: scaleY(0.25) translateY(42px); opacity: 0; }
}

@keyframes pulseLine {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.7; }
}

@keyframes driftOrbit {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  35% { transform: translate3d(-8vw, 10vh, 0) scale(1.06); }
  70% { transform: translate3d(3vw, 18vh, 0) scale(0.96); }
}

@keyframes slowTurn {
  from { transform: rotate(0deg) translate3d(0, 0, 0); }
  to { transform: rotate(30deg) translate3d(2vw, -2vh, 0); }
}

@keyframes honeyPulse {
  0%, 100% { transform: translate3d(-50%, -50%, 0) scale(1); }
  50% { transform: translate3d(-50%, -50%, 0) scale(1.08); }
}

@media (max-width: 760px) {
  .glass-panel { width: 80vw; }
  .panel-near { left: 13vw; }
  .panel-middle { right: 6vw; }
  .panel-far { left: 10vw; }
  .archive-header { margin-left: 14vw; }
  .wave-stack { width: 84vw; }
}