:root {
  color-scheme: dark;
  --paper: #f4d4bf;
  --muted: #c7a08e;
  --accent: #d96d4f;
  --dark: #060807;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  background: var(--dark);
  color: var(--paper);
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
}

button,
a {
  font: inherit;
}

.scene-page {
  min-height: 100vh;
  background: #050706;
}

.scene-viewer {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: #080807;
}

.scene-poster,
.scene-canvas,
.scene-canvas canvas,
.scene-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.scene-poster {
  object-fit: cover;
  filter: saturate(.94) contrast(1.04) brightness(.9);
  transition: opacity .25s ease;
}

.scene-canvas {
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.scene-canvas canvas {
  display: block;
  touch-action: pan-y;
}

.is-3d .scene-poster {
  opacity: 0;
}

.is-3d .scene-canvas {
  opacity: 1;
  pointer-events: auto;
}

.scene-shade {
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(4, 5, 5, .72), rgba(4, 5, 5, .22) 46%, rgba(4, 5, 5, .12)),
    linear-gradient(0deg, rgba(4, 5, 5, .7), transparent 42%);
}

.scene-ui {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  width: min(620px, calc(100% - 36px));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 16px;
  padding: 32px 0 34px;
  margin-left: clamp(18px, 5vw, 72px);
  text-shadow: 0 18px 54px rgba(0, 0, 0, .78);
}

.back-link {
  position: absolute;
  top: 28px;
  left: 0;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 12px;
  opacity: .78;
}

.back-link:hover {
  opacity: 1;
}

.eyebrow,
.status {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(48px, 8vw, 118px);
  line-height: .9;
  font-weight: 400;
  letter-spacing: .03em;
}

.intro {
  max-width: 460px;
  margin: 0;
  color: #e0baa8;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .03em;
}

.controls,
.stops {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button {
  min-height: 44px;
  border: 1px solid rgba(244, 212, 191, .34);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--paper);
  background: rgba(6, 8, 7, .56);
  cursor: pointer;
  backdrop-filter: blur(14px);
}

button:hover {
  border-color: rgba(255, 222, 196, .76);
  background: rgba(91, 36, 25, .62);
}

button:disabled {
  cursor: wait;
  opacity: .62;
}

.primary {
  background: rgba(172, 58, 38, .72);
  border-color: rgba(255, 190, 150, .72);
}

.stop {
  width: 46px;
  padding: 0;
}

.stop.active {
  background: var(--paper);
  color: #37100b;
}

[hidden] {
  display: none !important;
}

@media (max-width: 720px) {
  .scene-shade {
    background: linear-gradient(0deg, rgba(4, 5, 5, .82), transparent 58%);
  }

  .scene-ui {
    width: calc(100% - 28px);
    margin: 0 auto;
    padding-bottom: 22px;
  }

  h1 {
    font-size: clamp(42px, 15vw, 72px);
  }

  .intro {
    font-size: 14px;
  }
}