:root {
  --cream: #fff1d4;
  --cheese: #ffc21c;
  --tomato: #e22208;
  --deep-red: #9e0a00;
  --ink: #351006;
  --line: rgba(255, 241, 212, 0.42);
}

* { box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--deep-red);
}

body {
  color: var(--cream);
  font-family: "Avenir Next Condensed", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button { font: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#experience {
  position: fixed;
  inset: 0;
  isolation: isolate;
  background: var(--deep-red);
}

#stage,
.fallback-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#stage { z-index: 1; }

.fallback-video {
  display: none;
  z-index: 2;
  background: var(--deep-red);
}

.image-wash {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(76, 0, 0, 0.68) 0%, rgba(111, 0, 0, 0.2) 31%, transparent 56%),
    linear-gradient(0deg, rgba(48, 0, 0, 0.3), transparent 35%);
}

.halftone,
.loader-grid {
  background-image: radial-gradient(rgba(255, 239, 202, 0.32) 0.75px, transparent 0.75px);
  background-size: 5px 5px;
}

.halftone {
  position: absolute;
  z-index: 3;
  inset: 0;
  opacity: 0.13;
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.topbar {
  position: absolute;
  z-index: 7;
  top: max(26px, env(safe-area-inset-top));
  left: max(30px, env(safe-area-inset-left));
  right: max(30px, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.descriptor {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: Haettenschweiler, "Franklin Gothic Condensed", sans-serif;
  font-size: 15px;
  letter-spacing: 0.18em;
}

.descriptor i {
  width: 32px;
  height: 2px;
  background: var(--cheese);
  transform: skewX(-28deg);
}

.sound-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 2px 0 16px;
  border: 0;
  color: var(--cream);
  background: transparent;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 10px;
}

.sound-icon {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 17px;
}

.sound-icon b {
  width: 2px;
  height: 5px;
  background: currentColor;
  transition: height 220ms ease;
}

.sound-toggle[aria-pressed="true"] .sound-icon b:nth-child(1) { height: 10px; }
.sound-toggle[aria-pressed="true"] .sound-icon b:nth-child(2) { height: 17px; }
.sound-toggle[aria-pressed="true"] .sound-icon b:nth-child(3) { height: 12px; }

.captions {
  position: absolute;
  z-index: 6;
  inset: 0;
  pointer-events: none;
}

.caption {
  position: absolute;
  left: clamp(30px, 7vw, 112px);
  top: 50%;
  width: min(520px, 42vw);
  opacity: 0;
  transform: translateY(calc(-50% + 26px));
  visibility: hidden;
  transition: opacity 480ms ease, transform 650ms cubic-bezier(.19,.84,.24,1), visibility 480ms;
}

.caption.is-active {
  opacity: 1;
  transform: translateY(-50%);
  visibility: visible;
}

.caption-index,
.kicker {
  display: block;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.19em;
  font-size: 11px;
  font-weight: 700;
}

.caption-index {
  width: fit-content;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--cheese);
  color: var(--cheese);
}

.kicker { margin-top: 34px; }

.caption h1 {
  margin: 12px 0 20px;
  font-family: Haettenschweiler, "Franklin Gothic Condensed", "PingFang SC", sans-serif;
  font-size: clamp(52px, 7.3vw, 112px);
  font-weight: 900;
  line-height: 0.84;
  letter-spacing: -0.065em;
  text-shadow: 0 4px 40px rgba(82, 0, 0, 0.38);
}

.caption h1 em {
  color: var(--cheese);
  font-style: normal;
}

.caption-note {
  width: min(370px, 100%);
  margin: 0;
  padding-left: 17px;
  border-left: 1px solid var(--line);
  color: rgba(255, 241, 212, 0.82);
  font-size: 13px;
  line-height: 1.75;
  letter-spacing: 0.06em;
}

.chapter-rail {
  position: absolute;
  z-index: 8;
  top: 50%;
  right: max(28px, env(safe-area-inset-right));
  display: grid;
  gap: 7px;
  transform: translateY(-50%);
}

.chapter-dot {
  position: relative;
  width: 46px;
  height: 36px;
  padding: 0;
  border: 0;
  color: rgba(255, 241, 212, 0.52);
  background: transparent;
  cursor: pointer;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-align: right;
}

.chapter-dot::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 4px;
  width: 19px;
  height: 2px;
  background: currentColor;
  transition: width 260ms ease, color 260ms ease;
}

.chapter-dot.is-active { color: var(--cheese); }
.chapter-dot.is-active::after { width: 42px; }

.interaction-hint {
  position: absolute;
  z-index: 7;
  left: max(30px, env(safe-area-inset-left));
  bottom: max(25px, env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 9px;
}

.scroll-mark {
  position: relative;
  width: 19px;
  height: 30px;
  border: 1px solid rgba(255, 241, 212, 0.6);
  border-radius: 12px;
}

.scroll-mark i {
  position: absolute;
  top: 6px;
  left: 8px;
  width: 2px;
  height: 6px;
  background: var(--cheese);
  animation: scrollCue 1.6s ease-in-out infinite;
}

.loader {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--ink);
  background: var(--cheese);
  transition: transform 900ms cubic-bezier(.76,0,.24,1), visibility 900ms;
}

.loader::before {
  content: "";
  position: absolute;
  width: min(76vw, 960px);
  aspect-ratio: 1;
  border: 1px solid rgba(53, 16, 6, 0.2);
  border-radius: 50%;
  box-shadow: 0 0 0 8vw rgba(53, 16, 6, 0.035), 0 0 0 16vw rgba(53, 16, 6, 0.025);
}

.loader.is-gone {
  transform: translateY(-105%);
  visibility: hidden;
}

.loader-grid {
  position: absolute;
  inset: 0;
  opacity: 0.24;
  mix-blend-mode: multiply;
}

.loader-copy {
  position: relative;
  z-index: 2;
  width: min(590px, calc(100vw - 48px));
}

.loader-kicker,
.loader-status,
.loader-corner {
  text-transform: uppercase;
  letter-spacing: 0.19em;
  font-size: 10px;
  font-weight: 700;
}

.loader-kicker,
.loader-number,
.loader-track,
.loader-status,
.loader-corner {
  pointer-events: none;
}

.loader-number {
  display: flex;
  align-items: flex-start;
  margin: -8px 0 -12px;
  font-family: Haettenschweiler, "Franklin Gothic Condensed", sans-serif;
  font-size: clamp(126px, 24vw, 300px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.loader-number sup {
  margin: 0.19em 0 0 0.04em;
  font-size: 0.15em;
  letter-spacing: 0;
}

.loader-track {
  display: block;
  height: 5px;
  overflow: hidden;
  background: rgba(53, 16, 6, 0.18);
}

.loader-track i {
  display: block;
  width: 0;
  height: 100%;
  background: var(--tomato);
  transition: width 160ms linear;
}

.loader-status { margin-top: 16px; }

.enter-site,
.retry-load {
  align-items: center;
  justify-content: space-between;
  width: min(250px, 100%);
  min-height: 58px;
  margin-top: 20px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  transition: color 180ms ease, background 180ms ease;
}

.enter-site:not([hidden]), .retry-load:not([hidden]) { display: flex; }
.enter-site:hover, .retry-load:hover { color: var(--cheese); background: var(--ink); }

.loader-corner {
  position: absolute;
  right: max(25px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  margin: 0;
  line-height: 1.7;
  text-align: right;
}

@keyframes scrollCue {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(10px); opacity: 1; }
}

@media (max-width: 700px) {
  .topbar {
    top: max(18px, env(safe-area-inset-top));
    left: max(18px, env(safe-area-inset-left));
    right: max(18px, env(safe-area-inset-right));
  }

  .sound-label { display: none; }

  .image-wash {
    background: linear-gradient(0deg, rgba(76, 0, 0, 0.76) 0%, rgba(100, 0, 0, 0.15) 52%, transparent 72%);
  }

  .caption {
    top: auto;
    left: max(20px, env(safe-area-inset-left));
    right: max(54px, env(safe-area-inset-right));
    bottom: max(72px, calc(env(safe-area-inset-bottom) + 45px));
    width: auto;
    transform: translateY(18px);
  }

  .caption.is-active { transform: translateY(0); }
  .kicker { margin-top: 18px; }

  .caption h1 {
    margin: 8px 0 12px;
    font-size: clamp(47px, 16vw, 76px);
    line-height: 0.88;
  }

  .caption-note { display: none; }

  .chapter-rail {
    right: max(14px, env(safe-area-inset-right));
  }

  .chapter-dot { width: 34px; }
  .chapter-dot.is-active::after { width: 30px; }

  .interaction-hint {
    left: auto;
    right: max(20px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
  }

  .interaction-hint > span:last-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}