/* Shared poster treatment for the two research projects. */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.hero{padding-top:26px}
.brand-player{margin:0 0 34px;position:relative}
.brand-player video{display:block;width:100%;height:auto;aspect-ratio:80/41;background:#f8f7f3;border:1px solid var(--line);border-radius:12px}
.brand-player figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);padding:12px 2px;margin-top:0}
.cover-controls{display:flex;align-items:center;gap:18px;flex-shrink:0}
.cover-toggle{background:none;border:0;padding:3px 0;font-size:11px;font-weight:700;color:var(--accent);display:none}
.cover-toggle.ready{display:inline-block}
.cover-toggle:disabled{opacity:.6;cursor:default}
.cover-links{display:flex;gap:14px}
.hero-layout{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:36px;align-items:center}
.hero-copy{padding:0}
.hero .paper-title{max-width:720px;font-size:clamp(23px,2.1vw,30px);line-height:1.3;letter-spacing:-1px}
.hero .hero-actions{margin:0;justify-content:flex-end;gap:9px}
.hero .author-panel{margin-top:30px;padding-top:24px}
.hero .metrics{margin-top:0}
.hero>.metrics{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;margin:0;padding:0;border:0}
.demo-story{padding-top:70px;padding-bottom:76px;display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:76px}
.demo-story-copy h2{font-size:clamp(32px,3.1vw,46px);line-height:1.16;letter-spacing:-1.8px;margin:18px 0}
.demo-story-copy p{font-size:15px;color:var(--muted);max-width:370px}
.demo-story-copy .text-link{display:inline-block;margin-top:22px}
.demo-story .demo-shell{width:100%;min-width:0}
.demo-story .demo-shell:before{display:none}
@media(max-width:900px){
  .hero-layout{grid-template-columns:1fr;gap:20px}
  .hero .hero-actions{justify-content:flex-start}
  .brand-player{margin-bottom:24px}
  .demo-story{gap:28px;grid-template-columns:1fr}
  .cover-links{gap:12px}
}
@media(max-width:600px){
  .hero{padding-top:20px}
  .brand-player video{border-radius:6px}
  .brand-player figcaption{align-items:flex-start;font-size:10px;padding-top:10px;gap:8px;flex-wrap:wrap}
  .cover-controls{gap:16px}
  .cover-toggle{font-size:10px;min-height:28px}
  .cover-links a{display:inline-flex;align-items:center;min-height:28px}
  .hero .paper-title{font-size:25px;letter-spacing:-.8px}
  .hero .author-panel{margin-top:24px}
  .demo-story{grid-template-columns:1fr;padding-top:40px;padding-bottom:40px}
  .demo-story-copy h2{font-size:34px}
  .demo-story-copy p{max-width:none}
}