/* ============================================================
   HERO → ABOUT — hero stays pinned; sections scroll over it
   body { overflow-x:clip } in hero.css breaks position:fixed —
   clip moved to html so fixed pin works on viewport.
   ============================================================ */

:root {
  --hero-progress: 0;
  --hero-transition-length: 100vh;
  --hero-transition-length: 100dvh;
}

html {
  overflow-x: clip;
}

body {
  overflow-x: visible;
  overflow-y: visible;
}

.hero-scroll {
  position: relative;
  height: calc(var(--hero-transition-length) * 2);
  pointer-events: none;
}

.hero-scroll__pin {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--hero-transition-length);
  z-index: 20;
  pointer-events: auto;
}

.hero-scroll__pin.is-hero-pinned {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--hero-transition-length);
  z-index: 20;
}

.hero-scroll__pin.is-hero-pinned-end {
  position: absolute;
  top: auto;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--hero-transition-length);
}

.hero-scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  flex-direction: column;
  will-change: opacity;
  opacity: calc(1 - var(--hero-progress) * 0.2);
}

.hero-scene .hero-body {
  flex: 1;
  min-height: 0;
  padding-top: calc(var(--news-height) + var(--nav-height));
}

.hero-chrome {
  position: relative;
  z-index: 40;
  flex-shrink: 0;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --hero-progress: 0 !important;
  }

  .hero-scene {
    opacity: 1 !important;
    will-change: auto;
  }
}

@media (max-width: 768px) {
  .hero-scroll {
    height: calc(var(--hero-transition-length) * 2);
  }
}