:root{
    --bg:#ffffff;
    --fg:#0b1220;
    --muted:#5b6475;
    --border:#e7e9ee;
    --card:#fbfbfd;
    --accent:#1f5eff;
    --shadow: 0 10px 30px rgba(11,18,32,0.08);
    --radius: 18px;
    --max: 1080px;
    --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  }
  
  *{box-sizing:border-box}
  html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:var(--sans);line-height:1.5}
  a{color:inherit;text-decoration:none}
  a:hover{color:var(--accent)}
  code{font-family:var(--mono);font-size:0.95em}
  .container{max-width:var(--max);margin:0 auto;padding:0 20px}
  
  .topbar{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,0.9);
    backdrop-filter:saturate(180%) blur(12px);
    border-bottom:1px solid var(--border);
  }
  .topbar-inner{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 0;
  }
  .brand{font-weight:650;letter-spacing:0.2px}
  .nav{display:flex;gap:14px;flex-wrap:wrap}
  .nav a{color:var(--muted);font-size:0.95rem}
  .nav a:hover{color:var(--fg)}
  
  .hero{padding:48px 0 18px;border-bottom:1px solid var(--border)}
  .hero-grid{
    display:grid;grid-template-columns:1.15fr 0.85fr;gap:26px;align-items:start;
  }
  @media (max-width: 920px){
    .hero-grid{grid-template-columns:1fr;gap:18px}
  }
  
  .kicker{color:var(--muted);font-size:0.95rem;margin-bottom:10px}
  h1{font-size:2.1rem;line-height:1.15;margin:0 0 10px}
  .subtitle{color:var(--muted);margin:0 0 14px;font-size:1.05rem}
  
  .authors{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 18px;align-items:center}
  .author-pill{
    padding:6px 10px;border:1px solid var(--border);border-radius:999px;
    background:var(--card);font-size:0.95rem;color:var(--muted);
  }
  .author-pill sup{color:var(--accent);font-size:0.75em;margin-left:2px}
  .author-note{color:var(--muted);font-size:0.85rem;margin-left:8px}
  
  .affils{color:var(--muted);font-size:0.95rem;margin-top:14px}
  
  .teaser{
    margin:0;padding:14px;border:1px solid var(--border);
    border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);
  }
  .teaser img{width:100%;border-radius:14px;display:block}
  .teaser figcaption{color:var(--muted);font-size:0.9rem;margin-top:10px}
  
  .section{padding:34px 0}
  .section h2{margin:0 0 12px;font-size:1.35rem}
  .prose{color:var(--fg);max-width:78ch}
  .prose a{color:var(--accent);text-decoration:underline}
  .prose a:hover{opacity:0.8}
  #paper-abstract{text-align:justify}
  
  .cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:10px 12px;border-radius:999px;border:1px solid var(--border);
    background:var(--fg);color:#fff;font-weight:600;font-size:0.95rem;
  }
  .btn:hover{opacity:0.93}
  .btn.secondary{background:transparent;color:var(--fg)}
  .small{color:var(--muted);font-size:0.92rem}
  
  .tags-row{
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    margin-top:12px;
  }
  .tag{
    padding:4px 8px;
    border:1px solid rgba(31,94,255,0.2);
    border-radius:999px;
    background:rgba(31,94,255,0.08);
    font-size:0.75rem;
    color:#1f5eff;
    font-weight:500;
  }
  
  /* Featured figure + strip */
  .featured-figure{
    margin:14px auto 10px;
    max-width: 980px;
    padding:14px;
    border:1px solid var(--border);
    border-radius:var(--radius);
    background:var(--card);
    box-shadow:var(--shadow);
    position:relative;
    overflow:hidden;
  }
  .featured-figure img{
    width:100%;
    height:auto;
    max-height:600px;
    object-fit:contain;
    border-radius:14px;
    display:block;
  }
  .featured-figure figcaption{
    color:var(--muted);
    font-size:0.92rem;
    margin-top:10px;
  }
  
  .thumb-strip-wrap{
    margin-top:10px;
  }
  .thumb-strip{
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding:6px 2px 10px;
    scroll-snap-type:x mandatory;
  }
  .thumb{
    flex:0 0 auto;
    width:180px;
    border:1px solid var(--border);
    border-radius:14px;
    background:var(--card);
    padding:8px;
    box-shadow:var(--shadow);
    cursor:pointer;
    scroll-snap-align:start;
    display:flex;
    flex-direction:column;
  }
  .thumb img{
    width:100%;
    height:105px;
    object-fit:cover;
    border-radius:10px;
    display:block;
  }
  .thumb .cap{
    margin-top:8px;
    color:var(--muted);
    font-size:0.88rem;
    line-height:1.25;
  }
  .thumb.active{
    border-color: rgba(31,94,255,0.45);
  }
  
  /* Video */
  .video-wrap{margin-top:22px}
  .ratio-16x9{
    position:relative;
    padding-top:56.25%;
    border-radius:var(--radius);
    overflow:hidden;
    border:1px solid var(--border);
    box-shadow:var(--shadow);
  }
  .ratio-16x9 iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

  .video-thumb{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    border:0;
    padding:0;
    margin:0;
    background:transparent;
    cursor:pointer;
  }
  
  .video-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
  }
  
  .video-play{
    position:absolute;
    left:50%;
    top:50%;
    transform:translate(-50%, -50%);
    padding:10px 14px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,0.55);
    background:rgba(11,18,32,0.75);
    color:#fff;
    font-weight:700;
  }
  
  
  /* People */
  .people{
    display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px;
  }
  @media (max-width: 1100px){.people{grid-template-columns:repeat(3,1fr)}}
  @media (max-width: 920px){.people{grid-template-columns:repeat(2,1fr)}}
  @media (max-width: 520px){.people{grid-template-columns:1fr}}
  .person{
    border:1px solid var(--border);border-radius:var(--radius);
    background:var(--card);padding:14px;box-shadow:var(--shadow);
    display:flex;gap:12px;align-items:center;
  }
  .person img{width:52px;height:52px;border-radius:14px;object-fit:cover;border:1px solid var(--border)}
  .person .name{font-weight:700}
  .person .meta{color:var(--muted);font-size:0.9rem}
  .person .links{margin-top:6px;display:flex;gap:10px;flex-wrap:wrap}
  .person .links a{color:var(--muted);font-size:0.9rem}
  .person .links a:hover{color:var(--accent)}
  
  /* Logos + acknowledgements */
  .logos-row{
    margin:12px 0 14px;
  }
  .logos-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
    margin:20px 0;
  }
  .logo-card{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:8px;
    border:none;
    border-radius:8px;
    background:transparent;
    box-shadow:none;
    text-decoration:none;
    transition:opacity 0.2s, transform 0.2s;
  }
  .logo-card:hover{
    opacity:0.8;
    transform:scale(1.05);
  }
  .logo-card img{
    height:80px;
    width:auto;
    max-width:120px;
    display:block;
    object-fit:contain;
    flex-shrink:0;
  }
  .logo-card .label{
    display:none;
  }
  
  .card{
    border:1px solid var(--border);
    border-radius:var(--radius);
    background:var(--card);
    padding:16px;
    box-shadow:var(--shadow);
  }
  .ack-card{max-width: 980px}
  
  /* BibTeX */
  .bibtex{
    border:1px solid var(--border);
    border-radius:var(--radius);
    background:var(--card);
    padding:14px;
    box-shadow:var(--shadow);
  }
  .bibtex-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
  pre{margin:0;overflow:auto}
  pre code{display:block;padding:12px;border-radius:14px;background:#0c1220;color:#e9eefc}
  
  /* Footer */
  .footer{border-top:1px solid var(--border);padding:18px 0}
  .footer-inner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}