:root {
  --bg: #0C0B09;
  --bg-elevated: #141310;
  --bg-card: #1A1915;
  --surface: #222019;
  --border: rgba(193, 177, 148, 0.12);
  --border-strong: rgba(193, 177, 148, 0.28);
  --text-primary: #F2EDE4;
  --text-secondary: rgba(242, 237, 228, 0.55);
  --text-tertiary: rgba(242, 237, 228, 0.3);
  --accent: #C1B194;
  --accent-dim: rgba(193, 177, 148, 0.15);
  --accent-warm: #D4A574;
  --white: #FDFBF7;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
}

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

::selection { background: var(--accent); color: var(--bg); }

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 9000;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grainShift 0.9s steps(4) infinite;
}

@keyframes grainShift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -2%); }
  75% { transform: translate(-1%, 2%); }
  100% { transform: translate(2%, -1%); }
}

.cursor {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-out-expo), height 0.3s var(--ease-out-expo), opacity 0.3s;
}

.cursor-follower {
  position: fixed;
  width: 40px; height: 40px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  transition: width 0.4s var(--ease-out-expo), height 0.4s var(--ease-out-expo), opacity 0.3s;
  opacity: 0.5;
}

@media (hover: none) { .cursor, .cursor-follower { display: none; } }

body.in-museum .cursor, body.in-museum .cursor-follower { opacity: 0; }

.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader-inner { text-align: center; }

.preloader-brand {
  font-family: var(--font-serif);
  font-size: clamp(48px, 8vw, 120px);
  letter-spacing: -0.04em;
  overflow: hidden;
}

.preloader-k, .preloader-dot { display: inline-block; opacity: 0; transform: translateY(100%); }
.preloader-dot { color: var(--accent); }

.preloader-line { width: 0; height: 1px; background: var(--accent); margin: 24px auto; }

.preloader-count {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.3em;
  margin-bottom: 10px;
  opacity: 0;
  font-variant-numeric: tabular-nums;
}

.preloader-tagline {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-secondary);
  opacity: 0;
}

#timelineView {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  z-index: 10;
}

.header { padding: 22px 0 0; flex: 0 0 auto; opacity: 0; transform: translateY(-16px); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
  padding: 0 clamp(24px, 4vw, 72px);
}

.nav-logo { display: flex; align-items: baseline; gap: 14px; }

.logo-text { font-family: var(--font-serif); font-size: 21px; letter-spacing: -0.02em; }
.logo-accent { color: var(--accent); }

.logo-sub {
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-left: 1px solid var(--border-strong);
  padding-left: 14px;
}

.nav-right { display: flex; align-items: center; gap: 28px; }

.nav-hint { font-size: 11px; letter-spacing: 0.08em; color: var(--text-tertiary); }

.btn-museum {
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 12px 22px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: background 0.4s, border-color 0.4s, color 0.4s;
}

.btn-museum:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.btn-museum-arrow { transition: transform 0.4s var(--ease-out-expo); }
.btn-museum:hover .btn-museum-arrow { transform: translateX(4px); }

.btn-back {
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 12px 22px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: background 0.4s, border-color 0.4s, color 0.4s;
}

.btn-back:hover { border-color: var(--border-strong); color: var(--text-primary); }
.btn-back-arrow { transition: transform 0.4s var(--ease-out-expo); }
.btn-back:hover .btn-back-arrow { transform: translateX(-4px); }

.hero {
  flex: 0 0 auto;
  text-align: center;
  padding: clamp(14px, 2.4vh, 30px) 24px clamp(8px, 1.4vh, 16px);
}

.hero-eyebrow {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  opacity: 0;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--white);
}

.hero-title .char { display: inline-block; opacity: 0; transform: translateY(100%); }

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  margin-top: clamp(10px, 1.8vh, 20px);
}

.hero-stat { opacity: 0; text-align: left; }

.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.9vw, 24px);
  color: var(--accent);
  line-height: 1;
}

.stat-lbl {
  display: block;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 4px;
}

.hero-stat-sep { width: 1px; height: 26px; background: var(--border-strong); }

.tl-band {
  flex: 1 1 auto;
  position: relative;
  min-height: 0;
  cursor: grab;
}

.tl-band:active { cursor: grabbing; }

.tl-fade {
  position: absolute;
  top: 0; bottom: 0;
  width: clamp(60px, 12vw, 220px);
  z-index: 5;
  pointer-events: none;
}

.tl-fade-left { left: 0; background: linear-gradient(to right, var(--bg), transparent); }
.tl-fade-right { right: 0; background: linear-gradient(to left, var(--bg), transparent); }

.tl-viewport { position: absolute; inset: 0; overflow: hidden; }

.tl-track { position: absolute; top: 0; bottom: 0; will-change: transform; }

.tl-axis {
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 1px;
  background: var(--border-strong);
}

.tl-tick { position: absolute; top: 50%; width: 1px; background: var(--border); }
.tl-tick.minor { height: 10px; transform: translateY(-5px); }
.tl-tick.major { height: 22px; transform: translateY(-11px); background: var(--border-strong); }

.tl-tick-label {
  position: absolute;
  top: 50%;
  transform: translate(-50%, 18px);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

.tl-span {
  position: absolute;
  top: 50%;
  height: 3px;
  transform: translateY(-1px);
  background: linear-gradient(to right, var(--accent-dim), rgba(193, 177, 148, 0.35), var(--accent-dim));
}

.tl-node {
  position: absolute;
  top: 50%;
  width: 11px; height: 11px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
  z-index: 3;
  transition: box-shadow 0.4s;
}

.tl-node::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.4s;
}

.tl-card.active + .tl-node::after, .tl-node.active::after { opacity: 1; }
.tl-node.active { box-shadow: 0 0 24px rgba(193, 177, 148, 0.45); }

.tl-connector {
  position: absolute;
  width: 1px;
  background: linear-gradient(to bottom, var(--border-strong), transparent);
  z-index: 2;
}

.tl-card {
  position: absolute;
  width: clamp(230px, 18vw, 280px);
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  z-index: 4;
  transition: border-color 0.5s, transform 0.5s var(--ease-out-expo);
  overflow: hidden;
}

.tl-card.above { bottom: calc(50% + 36px); }
.tl-card.below { top: calc(50% + 36px); }

.tl-card:hover, .tl-card.active { border-color: var(--border-strong); }
.tl-card.active { transform: translateX(-50%) scale(1.03); }

.tl-card-img {
  position: relative;
  aspect-ratio: 16 / 7.2;
  overflow: hidden;
}

.tl-card-img img {
  width: 110%;
  height: 110%;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.82);
  transition: filter 0.6s;
  will-change: transform;
}

.tl-card.active .tl-card-img img, .tl-card:hover .tl-card-img img { filter: saturate(1) brightness(1); }

.tl-card-count {
  position: absolute;
  top: 10px; right: 10px;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
  background: rgba(12, 11, 9, 0.72);
  border: 1px solid var(--border);
  padding: 5px 9px;
  backdrop-filter: blur(6px);
}

.tl-card-body { padding: 12px 14px 14px; }

.tl-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 7px;
}

.tl-card-sector {
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.tl-card-years { font-size: 11px; color: var(--text-tertiary); font-variant-numeric: tabular-nums; }

.tl-card-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(17px, 1.5vw, 21px);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 4px;
}

.tl-card-numeral {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--accent);
  margin-right: 8px;
}

.tl-card-studio { font-size: 10px; color: var(--text-secondary); margin-bottom: 10px; }

.tl-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  padding-top: 9px;
  width: 100%;
  transition: color 0.4s;
}

.tl-card:hover .tl-card-cta, .tl-card.active .tl-card-cta { color: var(--accent); }

.tl-card-cta .arr { transition: transform 0.4s var(--ease-out-expo); }
.tl-card:hover .tl-card-cta .arr { transform: translateX(5px); }

.tl-footer { flex: 0 0 auto; padding: 0 clamp(24px, 4vw, 72px) 20px; opacity: 0; }

.tl-progress {
  height: 1px;
  background: var(--border);
  margin-bottom: 14px;
  position: relative;
}

.tl-progress-fill {
  position: absolute;
  left: 0; top: -0.5px;
  height: 2px;
  width: 0%;
  background: var(--accent);
}

.tl-footer-row { display: flex; justify-content: space-between; }

.tl-foot-item {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.tl-foot-keys { color: var(--text-tertiary); }

#transition {
  position: fixed;
  inset: 0;
  z-index: 8000;
  pointer-events: none;
  visibility: hidden;
}

.tr-panel {
  position: absolute;
  top: 0;
  height: 100%;
  width: 34%;
  background: var(--bg-elevated);
  transform: scaleY(0);
  transform-origin: top;
}

.tr-panel:nth-child(1) { left: 0; background: #100F0C; }
.tr-panel:nth-child(2) { left: 33%; background: #14120E; }
.tr-panel:nth-child(3) { left: 66%; background: #100F0C; }

.tr-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  opacity: 0;
}

.tr-numeral {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--accent);
  letter-spacing: 0.4em;
}

.tr-title {
  font-family: var(--font-serif);
  font-size: clamp(34px, 5vw, 72px);
  letter-spacing: -0.02em;
  color: var(--white);
}

.tr-status {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 10px;
  min-height: 14px;
}

#museumView {
  position: fixed;
  inset: 0;
  z-index: 100;
  visibility: hidden;
  opacity: 0;
}

#museumCanvasHost, #museumCanvasHost canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hud { position: absolute; inset: 0; pointer-events: none; z-index: 10; }

.hud-top {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 3vw, 44px);
  background: linear-gradient(to bottom, rgba(12, 11, 9, 0.55), transparent);
}

.hud-back {
  pointer-events: auto;
  background: rgba(12, 11, 9, 0.5);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 10px 18px;
  backdrop-filter: blur(8px);
  transition: background 0.4s, color 0.4s;
}

.hud-back:hover { background: var(--accent); color: var(--bg); }
.hud-back span { margin-right: 8px; }

.hud-brand {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: rgba(242, 237, 228, 0.85);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
}

.hud-brand span { color: var(--accent); }

#minimap {
  width: 180px;
  height: 36px;
  opacity: 0.9;
}

.crosshair {
  position: absolute;
  left: 50%; top: 50%;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(242, 237, 228, 0.75);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.6);
  transition: width 0.25s, height 0.25s, background 0.25s;
}

.crosshair.on-art {
  width: 8px; height: 8px;
  background: var(--accent);
}

.hud-caption {
  position: absolute;
  left: 50%;
  bottom: 96px;
  transform: translateX(-50%);
  text-align: center;
  max-width: 620px;
  width: calc(100% - 48px);
  opacity: 0;
}

.hud-caption-title {
  font-family: var(--font-serif);
  font-size: clamp(19px, 2vw, 26px);
  color: var(--white);
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.7);
  margin-bottom: 6px;
}

.hud-caption-sub {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(242, 237, 228, 0.6);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.7);
}

.hud-bottom {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 clamp(20px, 3vw, 44px) 22px;
  background: linear-gradient(to top, rgba(12, 11, 9, 0.55), transparent);
}

.hud-wing {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.7vw, 24px);
  color: rgba(242, 237, 228, 0.92);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.6);
}

.hud-wing-numeral { font-style: italic; font-size: 0.72em; color: var(--accent); }

.hud-controls {
  display: flex;
  gap: 22px;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(242, 237, 228, 0.55);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.8);
}

.hud-controls b { color: var(--accent); font-weight: 600; }

.enter-prompt {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  background: rgba(12, 11, 9, 0.35);
  backdrop-filter: blur(3px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
}

.enter-prompt-ring {
  width: 74px; height: 74px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  position: relative;
  animation: ringPulse 2.2s var(--ease-in-out) infinite;
}

.enter-prompt-ring::after {
  content: '';
  position: absolute;
  inset: 30px;
  border-radius: 50%;
  background: var(--accent);
}

@keyframes ringPulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.12); opacity: 1; }
}

.enter-prompt-text {
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.pause {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(12, 11, 9, 0.75);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
}

.pause-inner { text-align: center; display: flex; flex-direction: column; gap: 14px; }

.pause-title {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4vw, 54px);
  color: var(--white);
  margin-bottom: 18px;
}

.pause-btn {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 15px 44px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  transition: background 0.4s, color 0.4s, border-color 0.4s;
}

.pause-btn:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.pause-btn.ghost { border-color: var(--border); color: var(--text-secondary); }
.pause-btn.ghost:hover { background: transparent; border-color: var(--border-strong); color: var(--text-primary); }

.inspect {
  position: absolute;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: rgba(8, 7, 6, 0.88);
  backdrop-filter: blur(14px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  padding: 4vh 4vw;
}

.inspect-frame {
  display: flex;
  flex-direction: column;
  max-width: min(1180px, 92vw);
  max-height: 82vh;
}

.inspect-frame img {
  max-width: 100%;
  max-height: calc(82vh - 120px);
  object-fit: contain;
  border: 1px solid rgba(193, 177, 148, 0.25);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.7);
}

.inspect-meta {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px 28px;
  align-items: baseline;
  padding-top: 18px;
}

.inspect-title {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.2vw, 30px);
  color: var(--white);
  white-space: nowrap;
}

.inspect-caption { font-size: 13px; line-height: 1.6; color: var(--text-secondary); max-width: 640px; }

.inspect-foot {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}

.inspect-hint {
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.touch-stick {
  position: absolute;
  bottom: 84px;
  width: 110px; height: 110px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: rgba(12, 11, 9, 0.25);
  z-index: 25;
  display: none;
}

.touch-stick .nub {
  position: absolute;
  left: 50%; top: 50%;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(193, 177, 148, 0.35);
  transform: translate(-50%, -50%);
}

.touch-stick.left { left: 26px; }

body.touch .touch-stick { display: block; }
body.touch .hud-controls { display: none; }

@media (max-width: 900px) {
  .nav-hint { display: none; }
  .hero-stats { gap: 18px; }
  .hud-brand { display: none; }
  .hud-controls { gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
  .inspect-meta { grid-template-columns: 1fr; }
  .inspect-title { white-space: normal; }
}

@media (max-width: 640px) {
  .btn-museum-text { display: none; }
  .btn-museum::before { content: 'Museum'; }
  .btn-back-text { display: none; }
  .btn-back::after { content: 'Site'; }
  .tl-card { width: 230px; }
  #minimap { width: 130px; height: 26px; }
}

@media (max-height: 700px) {
  .hero-stats { display: none; }
  .tl-card { width: 215px; }
  .tl-card-img { aspect-ratio: 16 / 6.4; }
  .tl-card-studio { display: none; }
  .tl-card.above { bottom: calc(50% + 26px); }
  .tl-card.below { top: calc(50% + 26px); }
}