/* RDS: a logo screen, then a full-frame film. The normal flow is the fallback. */
.story-opening {
  --opening-height: calc(100vh - var(--nav));
  --opening-travel: clamp(270px, 45vh, 430px);
  --opening-inset: clamp(10px, 3vw, 38px);
  background: #171412;
  color: #f4e5cc;
}

@supports (height: 100svh) {
  .story-opening {
    --opening-height: calc(100svh - var(--nav));
    --opening-travel: clamp(270px, 45svh, 430px);
  }
}

.story-opening-stage {
  position: relative;
  background: radial-gradient(ellipse at 50% 46%, #2b221a 0, #1c1814 44%, #171412 76%);
}

.story-opening-cover,
.story-opening-film {
  position: relative;
  display: grid;
  min-block-size: var(--opening-height);
  place-items: center;
  padding: var(--opening-inset);
}

.story-opening-cover {
  isolation: isolate;
  z-index: 2;
  background: radial-gradient(ellipse at 50% 46%, #2b221a 0, #1c1814 44%, #171412 76%);
}

.story-opening-logo {
  display: block;
  width: min(72vw, 370px, calc(var(--opening-height) * .77));
  height: auto;
  max-width: 100%;
  filter: drop-shadow(0 13px 21px #08050285);
}

.story-opening-cue {
  position: absolute;
  inset: auto 0 clamp(15px, 5vh, 42px);
  display: grid;
  width: 42px;
  height: 42px;
  margin-inline: auto;
  place-items: center;
  color: #e4cfb0;
  border: 1px solid #e8d6bd58;
  border-radius: 50%;
  transition: color .22s ease, border-color .22s ease, background .22s ease;
}

.story-opening-cue:hover {
  color: #fff6e6;
  border-color: #e8d6bdbf;
  background: #f4e5cc16;
}

.story-opening-cue svg { display: block; width: 17px; height: 17px; }
.story-opening-cue:focus-visible { outline: 2px solid #e8d6bd; outline-offset: 5px; }

.story-opening-film {
  z-index: 1;
  background: #151310;
}

.story-opening-anchor { position: absolute; inset: 0 auto auto 0; }
.story-opening-film:focus { outline: none; }

.story-opening-frame {
  overflow: hidden;
  width: min(100%, 1440px, calc((var(--opening-height) - var(--opening-inset) - var(--opening-inset)) * 1.7777778));
  aspect-ratio: 16 / 9;
  background: #0c0b0a;
  box-shadow: 0 16px 56px #080604a6;
}

.story-opening-frame video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (prefers-reduced-motion: no-preference) {
  .story-opening[data-opening-enhanced] {
    min-block-size: calc(var(--opening-height) + var(--opening-travel));
  }

  .story-opening[data-opening-enhanced] .story-opening-stage {
    position: sticky;
    top: var(--nav);
    height: var(--opening-height);
    overflow: hidden;
    isolation: isolate;
  }

  .story-opening[data-opening-enhanced] .story-opening-cover,
  .story-opening[data-opening-enhanced] .story-opening-film {
    position: absolute;
    inset: 0;
    min-block-size: 0;
  }

  .story-opening[data-opening-enhanced] .story-opening-cover {
    background: transparent;
    opacity: var(--opening-cover-opacity, 1);
  }

  .story-opening[data-opening-enhanced] .story-opening-logo {
    transform: scale(var(--opening-logo-scale, 1));
  }

  .story-opening[data-opening-enhanced] .story-opening-cue {
    opacity: var(--opening-cue-opacity, 1);
  }

  .story-opening[data-opening-enhanced] .story-opening-film {
    opacity: var(--opening-film-opacity, 0);
  }

  .story-opening[data-opening-enhanced] .story-opening-frame {
    clip-path: inset(var(--opening-film-inset, 12%) 0);
    transform: scale(var(--opening-film-scale, .965));
  }

  .story-opening[data-opening-enhanced]:not([data-opening-film-visible]) .story-opening-film,
  .story-opening[data-opening-enhanced][data-opening-film-visible] .story-opening-cover {
    pointer-events: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .story-opening-cue { transition: none; }
}

@media (max-height: 440px) {
  .story-opening-logo { width: min(65vw, 275px, calc(var(--opening-height) * .67)); }
  .story-opening-cue { inset-block-end: 9px; width: 34px; height: 34px; }
}