.intro-scroll {
  --intro-travel: 240svh;
  position: relative;
  background: var(--paper);
}
.intro-scroll.is-active::after { content: ''; display: block; height: var(--intro-travel); }
.intro-scroll-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #d6d6d8;
}
.intro-scroll.is-active .intro-scroll-stage { position: sticky; top: 0; }
.intro-scroll-poster, .intro-scroll-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.intro-scroll-poster img { display: block; width: 100%; height: 100%; object-fit: contain; }
.intro-scroll-canvas { display: block; object-fit: contain; opacity: 0; }
.intro-scroll.is-drawn .intro-scroll-canvas { opacity: 1; }
.intro-scroll-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 32px var(--page-gutter) 24px;
  background: linear-gradient(transparent, #f9fbfddd);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .13em;
}
.intro-scroll-hint { display: flex; align-items: center; gap: 12px; }
.intro-scroll-hint > span { font-size: 23px; font-family: var(--font-body); }
.intro-scroll-skip { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; }
.intro-scroll-skip:hover { color: var(--blue); }
.intro-scroll-skip > span { font-size: 20px; }
.intro-scroll-track { position: absolute; inset: auto 0 0; height: 3px; background: #102b4812; display: none; }
.intro-scroll-track span { display: block; height: 100%; background: var(--pink); transform: scaleX(var(--intro-progress, 0)); transform-origin: left; }
.intro-scroll.is-active .intro-scroll-track { display: block; }
.intro-scroll:not(.is-active) .intro-scroll-hint { visibility: hidden; }
@media (max-width: 767px) {
  .intro-scroll { --intro-travel: 220svh; }
  .intro-scroll-stage { aspect-ratio: 9 / 16; }
  .intro-scroll-poster img, .intro-scroll-canvas { object-fit: cover; }
  .intro-scroll-controls { padding: 26px var(--page-gutter) 18px; font-size: 9px; letter-spacing: .04em; }
  .intro-scroll-hint { gap: 8px; }
  .intro-scroll-skip { gap: 8px; }
}
@media (max-width: 767px) and (orientation: landscape) {
  .intro-scroll-stage { aspect-ratio: 16 / 9; }
}
@media (prefers-reduced-motion: reduce) {
  .intro-scroll.is-active::after { display: none; }
  .intro-scroll.is-active .intro-scroll-stage { position: relative; top: auto; }
  .intro-scroll-canvas, .intro-scroll-track { display: none !important; }
  .intro-scroll-hint { visibility: hidden; }
}