:root{
  --purple:#7563a8;
  --purple-dark:#65558f;
  --purple-soft:#f6f4fb;
  --ink:#171717;
  --muted:#666;
  --line:#e7e5e4;
  --paper:#fff;
  --width:980px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
a{color:var(--purple);text-decoration:none}a:hover{color:var(--purple-dark)}
.wrap{width:min(calc(100% - 40px),var(--width));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav-wrap{height:64px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:700;color:var(--ink)}
.site-nav{display:flex;gap:24px}.site-nav a{font-size:.92rem;color:#444}.site-nav a:hover{color:var(--purple)}
.menu-button{display:none;border:0;background:none;font:inherit}
.hero{padding:110px 0 90px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:var(--purple);margin:0 0 18px}
.hero h1{font-size:clamp(3rem, 8vw, 6rem);line-height:.94;letter-spacing:-.065em;margin:0;max-width:900px}.hero h1 span{color:var(--purple)}
.hero-meta{font-weight:600;margin:30px 0 0}.lede{max-width:760px;font-size:1.18rem;color:#444;margin:18px 0 0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.button{display:inline-block;padding:10px 15px;border-radius:7px;font-weight:600;font-size:.92rem}.primary{background:var(--purple);color:#fff}.primary:hover{background:var(--purple-dark);color:#fff}.secondary{border:1px solid var(--line);color:var(--ink)}
.section{padding:76px 0;border-top:1px solid var(--line)}.section h2{font-size:2rem;letter-spacing:-.035em;margin:0 0 34px}.section-note{color:var(--muted);margin:-22px 0 28px}
.prose{max-width:820px;font-size:1.05rem}.prose p:first-child{margin-top:0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:44px;max-width:none}.highlight{margin:30px 0 0;padding-left:18px;border-left:3px solid var(--purple);font-weight:600;max-width:820px}
.topic-grid,.people-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}.topic-grid article,.person{padding:24px 0;border-top:1px solid var(--line)}.topic-grid h3,.person h3{font-size:1.05rem;margin:0 0 8px}.topic-grid p,.person p{color:#555;margin:0}.person .affiliation{color:var(--purple);font-weight:600;margin-bottom:8px}
.schedule{border-top:1px solid var(--ink)}.schedule-row{display:grid;grid-template-columns:140px 160px 1fr;gap:18px;padding:14px 10px;border-bottom:1px solid var(--line);align-items:center;transition:background-color .18s ease,color .18s ease}.schedule-row:not(.schedule-head):hover{background:#f8f7fc}.schedule-row:not(.schedule-head):hover>div:first-child{color:var(--purple);font-weight:600}.schedule-head{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:#666}
.tag{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:999px;font-size:.74rem;font-weight:700;line-height:1.25;white-space:nowrap}.opening{background:#eeeaf6;color:#65558f}.invited{background:#e6e0f1;color:#65558f}.contributed{background:#dbeafe;color:#1d4ed8}.break{background:#d1fae5;color:#047857}.discussion{background:#fef3c7;color:#b45309}.lunch{background:#e2e8f0;color:#475569}.panel{background:#fce7f3;color:#be185d}.poster{background:#ccfbf1;color:#0f766e}
.dates{margin:36px 0 0;border-top:1px solid var(--line);max-width:820px}.dates div{display:grid;grid-template-columns:220px 1fr;padding:14px 0;border-bottom:1px solid var(--line)}.dates dt{font-weight:600}.dates dd{margin:0;color:#555}
.organizer-list{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}.organizer-list div{display:flex;justify-content:space-between;gap:18px;padding:14px 0;border-top:1px solid var(--line)}.organizer-list span{color:#666;text-align:right}
footer{border-top:1px solid var(--line);padding:28px 0;color:#666;font-size:.88rem}.footer-inner{display:flex;justify-content:space-between;gap:20px}
@media(max-width:760px){.menu-button{display:block}.site-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:18px 20px;flex-direction:column;gap:12px}.site-nav.open{display:flex}.hero{padding:78px 0 65px}.two-col,.topic-grid,.people-grid,.organizer-list{grid-template-columns:1fr}.schedule{overflow-x:auto}.schedule-row{min-width:670px}.dates div{grid-template-columns:1fr;gap:3px}.organizer-list div{display:block}.organizer-list span{display:block;text-align:left}.footer-inner{display:block}.footer-inner a{display:block;margin-top:6px}}