/* Progressive enhancement: the static hero remains intact without the scene. */
.branch-cell-canvas, .cell-art, .neutrophil-art, .macrophage-art, .scene-controls { display: none; }
.hero-story { position: relative; }
.hero-story.is-motion-ready { height: calc(var(--scene-height) + var(--scene-travel)); }
.is-motion-ready .hero-pin { position: sticky; top: 0; height: var(--scene-height); }
.is-motion-ready .hero { height: 100%; padding-top: clamp(28px, 5vh, 55px); padding-bottom: 88px; display: flex; flex-direction: column; justify-content: center; }
.is-motion-ready .hero-grid { min-height: 360px; }
.is-motion-ready .hero-overline { margin-bottom: 26px; }
.is-motion-ready .hero-copy { max-width: 580px; z-index: 2; }
.is-motion-ready .hero-aside { position: absolute; right: var(--space); bottom: 94px; width: 39%; z-index: 2; }
.is-motion-ready .institution-logo { margin: 0 auto; }
.is-motion-ready .branch-cell-canvas { display: block; position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: -1; }
.is-motion-ready .branch-cell-canvas { mask-image: linear-gradient(90deg, transparent 25%, #000 55%); }
.is-motion-ready .scene-controls { display: flex; position: absolute; bottom: 30px; left: var(--space); right: var(--space); align-items: center; justify-content: space-between; gap: 20px; }
.scene-scroll-hint, .scene-skip { color: var(--muted); font-size: 11px; letter-spacing: .025em; }
.scene-scroll-hint { display: flex; align-items: center; gap: 16px; }
.scene-track { display: block; width: 84px; height: 1px; background: var(--line); overflow: hidden; }
.scene-track > span { display: block; width: 100%; height: 100%; background: var(--blue); transform: scaleX(var(--scene-progress, 0)); transform-origin: left; }
.scene-skip { display: inline-flex; align-items: center; gap: 9px; padding-block: 7px; }
.scene-skip .icon-arrow { width: 12px; height: 12px; color: var(--blue); }
#lab-overview:focus { outline: none; }
@media (max-width: 999px) and (min-width: 701px) {
  .is-motion-ready .hero-grid { grid-template-columns: 1.05fr 1fr; }
}
@media (max-width: 700px) {
  .is-motion-ready .hero { justify-content: start; padding-top: 25px; padding-bottom: 0; }
  .is-motion-ready .hero-overline { font-size: 9px; margin-bottom: 18px; max-width: 330px; }
  .is-motion-ready .hero-grid { display: block; min-height: 0; }
  .is-motion-ready .hero h1 { font-size: clamp(30px, 8.2vw, 40px); line-height: 1.08; }
  .is-motion-ready .hero-description { margin-top: 16px; font-size: 14px; line-height: 1.65; max-width: 360px; }
  .is-motion-ready .hero-actions { margin-top: 17px; gap: 18px; }
  .is-motion-ready .hero-actions .button { min-height: 43px; padding-block: 10px; }
  .is-motion-ready .hero-signature { margin-top: 15px; font-size: 10px; }
  .is-motion-ready .branch-cell-canvas { top: var(--art-top, 375px); height: var(--art-height, 300px); mask-image: none; }
  .is-motion-ready .hero-backdrop { top: calc(var(--art-top) + var(--art-height) / 2); width: min(100%, calc(var(--art-height) * 1.5)); right: 50%; transform: translate(50%, -50%); opacity: .62; mask-image: none; }
  .is-motion-ready .hero-aside { left: 24px; right: 24px; width: auto; bottom: 63px; }
  .is-motion-ready .institution-logo { max-width: 360px; }
  .is-motion-ready .scene-controls { bottom: 13px; }
  .scene-scroll-hint, .scene-skip { font-size: 10px; }
  .scene-track { width: 45px; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-story.is-motion-ready { height: auto; }
  .is-motion-ready .hero-pin { position: static; height: auto; }
  .is-motion-ready .branch-cell-canvas, .is-motion-ready .cell-art, .is-motion-ready .scene-controls { display: none; }
}