:root{
  --primary:#1565FF;
  --accent:#00E5FF;
  --secondary:#7C3AED;
  --background:#0A0F1F;
  --card:#111827;
  --text:#F1F5FF;
  --muted:rgba(241,245,255,.72);
  --faint:rgba(241,245,255,.1);
  --line:rgba(0,229,255,.22);
  --glow-primary:rgba(21,101,255,.42);
  --glow-accent:rgba(0,229,255,.38);
  --glow-secondary:rgba(124,58,237,.42);
  --shadow:0 24px 70px rgba(10,15,31,.58);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--background);line-height:1.6}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 18% 8%,var(--glow-primary),transparent 28%),radial-gradient(circle at 84% 4%,var(--glow-secondary),transparent 30%),radial-gradient(circle at 50% 54%,rgba(0,229,255,.12),transparent 32%),var(--background)}
body::after{content:"";position:fixed;inset:0;z-index:-1;opacity:.32;background-image:linear-gradient(var(--faint) 1px,transparent 1px),linear-gradient(90deg,var(--faint) 1px,transparent 1px);background-size:52px 52px;pointer-events:none}
.site-shell{overflow:hidden;background:linear-gradient(180deg,transparent,var(--background))}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px clamp(18px,4vw,64px);background:rgba(10,15,31,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);box-shadow:0 18px 60px rgba(10,15,31,.58)}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none}
.brand-mark{position:relative;overflow:hidden;display:grid;place-items:center;width:42px;height:42px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--primary),var(--secondary));color:var(--background);font-weight:900;box-shadow:0 0 32px var(--glow-accent)}
.brand-mark::after{content:"";position:absolute;inset:7px;border:1px solid rgba(241,245,255,.52);border-radius:6px}
.brand small{display:block;color:var(--muted);font-size:12px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{display:inline-flex;align-items:center;gap:8px;color:var(--muted);text-decoration:none;padding:10px 12px;border-radius:8px;font-size:14px;font-weight:700;transition:.2s ease}
.nav-links a::before{content:"";width:14px;height:14px;flex:0 0 14px;border:1px solid var(--accent);border-radius:4px;background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:0 0 16px var(--glow-accent)}
.nav-links a:hover,.nav-links a.active{background:rgba(0,229,255,.1);color:var(--text);box-shadow:inset 0 0 0 1px var(--line)}
.menu-toggle{display:none;background:transparent;border:0}.menu-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0}
.hero,.subhero{position:relative;isolation:isolate;color:var(--text);background:radial-gradient(circle at 72% 34%,var(--glow-accent),transparent 25%),radial-gradient(circle at 25% 6%,var(--glow-secondary),transparent 31%),linear-gradient(135deg,var(--background),var(--card) 52%,var(--background))}
.hero::before,.subhero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(115deg,transparent 0 42%,rgba(0,229,255,.12) 42.2% 42.8%,transparent 43% 56%,rgba(124,58,237,.16) 56.2% 56.8%,transparent 57%),repeating-linear-gradient(90deg,var(--faint) 0 1px,transparent 1px 90px)}
.hero{min-height:720px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:48px;align-items:center;padding:86px clamp(20px,5vw,76px)}
.subhero{padding:92px clamp(20px,5vw,76px) 78px}
.neural-layer{position:absolute;inset:0;z-index:-1;opacity:.44;background-image:linear-gradient(var(--faint) 1px,transparent 1px),linear-gradient(90deg,var(--faint) 1px,transparent 1px),radial-gradient(circle,var(--accent) 1px,transparent 2px);background-size:48px 48px,48px 48px,86px 86px}
.kicker,.eyebrow{margin:0 0 12px;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:800}
.hero h1,.subhero h1,.section h2{line-height:1.05;margin:0;color:var(--text)}
.hero h1{font-size:clamp(44px,7vw,82px);max-width:950px;text-shadow:0 0 34px var(--glow-accent)}
.subhero h1{font-size:clamp(38px,6vw,68px);max-width:900px;text-shadow:0 0 34px var(--glow-accent)}
.hero p,.subhero p{font-size:18px;max-width:760px;color:var(--muted)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0}.hero-meta span{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:rgba(17,24,39,.62);font-weight:700;color:var(--text);box-shadow:0 0 20px rgba(0,229,255,.08)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 18px;border-radius:8px;text-decoration:none;font-weight:800;transition:.2s ease}.btn.primary{background:linear-gradient(135deg,var(--accent),var(--primary));color:var(--background);box-shadow:0 0 30px var(--glow-accent)}.btn.ghost{border:1px solid var(--line);color:var(--text);background:rgba(17,24,39,.44)}.btn.secondary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:var(--text);box-shadow:0 0 28px var(--glow-primary)}.btn.primary:hover,.btn.secondary:hover,.btn.ghost:hover{transform:translateY(-1px);filter:brightness(1.08)}
.hero-visual{position:relative;perspective:1100px;transform-style:preserve-3d}.hero-visual img,.venue-split img{width:100%;border-radius:8px;object-fit:cover}.hero-visual img{display:block;background:var(--card);border:1px solid var(--line);box-shadow:0 24px 80px var(--glow-primary);transform:scale(var(--zoom,1)) rotateX(var(--tilt-y,0deg)) rotateY(var(--tilt-x,0deg));transition:transform .28s ease,box-shadow .28s ease,filter .28s ease;will-change:transform}.conference-hero-visual img{filter:saturate(1.08) contrast(1.06)}.hero-visual:hover img,.hero-visual.is-near img{box-shadow:0 28px 90px var(--glow-accent),0 0 80px var(--glow-secondary)}
.signal-card{position:absolute;right:24px;bottom:-28px;max-width:320px;background:rgba(17,24,39,.86);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:var(--shadow);backdrop-filter:blur(16px)}.signal-card span{display:block;color:var(--muted);font-size:14px;margin-top:6px}
.section{padding:78px clamp(20px,5vw,76px);background:rgba(10,15,31,.96)}.section:nth-of-type(even){background:rgba(17,24,39,.82)}.two-col{display:grid;grid-template-columns:.75fr 1.25fr;gap:48px;align-items:start}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-head a{font-weight:800;color:var(--accent)}
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;padding:0;margin:0;list-style:none}.topic-grid li,.date-card,.news-card,.contact-grid article,.speaker-card,.people-list span{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:0 18px 50px rgba(10,15,31,.42)}.topic-grid li,.date-card,.news-card,.contact-grid article{padding:20px}.topic-grid li{font-weight:750;color:var(--text)}.topic-grid li::before,.date-card::before,.news-card::before,.speaker-card::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--accent),var(--primary),var(--secondary))}
.dates-band{background:radial-gradient(circle at 18% 0,var(--glow-primary),transparent 26%),var(--background)}.date-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.date-grid.big{grid-template-columns:repeat(2,minmax(0,1fr))}.date-card span{display:block;color:var(--muted);font-weight:700}.date-card strong{display:block;margin-top:8px;font-size:26px;color:var(--text)}
.speaker-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.speaker-card{transform:translateY(var(--lift,0)) scale(var(--card-zoom,1));transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;will-change:transform}.speaker-card:hover,.speaker-card.is-near{border-color:var(--accent);box-shadow:0 24px 76px var(--glow-primary)}.speaker-card img{width:100%;height:320px;object-fit:cover;object-position:top;transform:scale(var(--photo-zoom,1));transition:transform .34s ease,filter .34s ease;will-change:transform}.speaker-card:hover img,.speaker-card.is-near img{filter:saturate(1.08) contrast(1.04)}.speaker-card div{padding:22px}.speaker-card h3{margin:0 0 6px;font-size:22px;line-height:1.2;color:var(--text)}.speaker-card span{display:block;color:var(--accent);font-weight:800}.speaker-card p{color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.news-card h3{margin:0 0 10px;color:var(--text)}.news-card p,.prose p,.two-col p,.venue-split p{color:var(--muted)}.news-card a{font-weight:800;color:var(--accent)}.venue-split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.venue-split img{height:360px;border:1px solid var(--line);box-shadow:var(--shadow)}.contact-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(135deg,var(--card),var(--background));color:var(--text)}
.prose{max-width:980px}.prose h2{font-size:32px;margin-top:24px;color:var(--text)}.info-table{display:grid;grid-template-columns:220px 1fr;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:22px 0}.info-table span,.info-table strong{padding:14px 16px;border-bottom:1px solid var(--line)}.info-table span{background:rgba(21,101,255,.14);color:var(--muted)}.info-table strong{color:var(--text)}.committee-block{padding:54px clamp(20px,5vw,76px);background:rgba(10,15,31,.96)}.committee-block:nth-of-type(even){background:rgba(17,24,39,.82)}.people-list{columns:2;column-gap:30px;margin-top:22px}.people-list span{display:block;break-inside:avoid;margin:0 0 10px;padding:12px 14px;color:var(--text)}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.contact-grid a{color:var(--accent)}.footer{display:flex;justify-content:space-between;gap:30px;padding:42px clamp(20px,5vw,76px);background:var(--background);color:var(--text);border-top:1px solid var(--line)}.footer p{max-width:760px;color:var(--muted)}.footer-links{display:flex;gap:16px;flex-wrap:wrap}.footer a{color:var(--text);font-weight:800}
@media (max-width:980px){.hero{grid-template-columns:1fr;min-height:auto}.topic-grid,.date-grid,.speaker-grid,.news-grid,.contact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col,.venue-split{grid-template-columns:1fr}.nav-links{position:absolute;left:16px;right:16px;top:74px;display:none;flex-direction:column;align-items:stretch;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:10px}.nav-links.open{display:flex}.nav-links a{justify-content:flex-start}.menu-toggle{display:block}.people-list{columns:1}.conference-hero-visual img{max-height:520px;object-fit:cover}}@media (max-width:640px){.hero,.subhero{padding:58px 18px}.hero h1{font-size:40px}.section,.committee-block{padding:52px 18px}.topic-grid,.date-grid,.date-grid.big,.speaker-grid,.news-grid,.contact-grid{grid-template-columns:1fr}.section-head,.contact-strip,.footer{display:block}.speaker-card img{height:260px}.signal-card{position:static;margin-top:16px}.info-table{grid-template-columns:1fr}.footer-links{margin-top:18px}.brand small{display:none}}