:root{--c-primary:#1E3A8A;--c-primary-dark:#172554;--c-primary-light:#3B5BCB;--c-accent:#10B981;--c-accent-dark:#047857;--c-bg:#F8FAFC;--c-bg-alt:#EEF2F7;--c-text:#1F2937;--c-text-muted:#4B5563;--c-border:#E5E7EB;--c-card:#FFFFFF;--c-shadow:0 1px 2px rgba(15,23,42,.05), 0 8px 24px rgba(15,23,42,.06);--font-ui:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-display:"Lora", Georgia, "Times New Roman", serif;--radius-sm:6px;--radius:12px;--radius-lg:18px;--max-w:1120px;--max-w-narrow:760px;--nav-h:64px;--transition:180ms ease}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px)}body{margin:0;font-family:var(--font-ui);color:var(--c-text);background:var(--c-bg);line-height:1.6;-webkit-font-smoothing:antialiased}img,svg{max-width:100%;display:block}h1,h2,h3,h4{font-family:var(--font-display);color:var(--c-primary-dark);line-height:1.2;margin:0 0 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ul{list-style:none;margin:0;padding:0;display:flex;gap:1.5rem}.primary-nav a{font-size:.92rem;font-weight:500;color:var(--c-text)}.primary-nav a:hover{color:var(--c-primary)}.nav-toggle{display:none;background:0 0;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}.nav-toggle span{display:block;width:22px;height:2px;background:var(--c-text);border-radius:2px;transition:var(--transition)}@media(max-width:820px){.nav-toggle{display:flex}.primary-nav{position:absolute;top:var(--nav-h);right:0;left:0;background:var(--c-card);border-bottom:1px solid var(--c-border);max-height:0;overflow:hidden;transition:max-height var(--transition)}.primary-nav.open{max-height:600px}.primary-nav ul{flex-direction:column;gap:0;padding:.75rem 1.25rem}.primary-nav li{border-bottom:1px solid var(--c-border)}.primary-nav li:last-child{border-bottom:0}.primary-nav a{display:block;padding:.85rem 0}}.hero{position:relative;color:#fff;padding:6rem 0 5rem;overflow:hidden;isolation:isolate}.hero-bg{position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 80% at 20% 0%,rgba(16,185,129,.35),transparent 60%),radial-gradient(70% 100% at 100% 100%,rgba(59,91,203,.55),transparent 60%),linear-gradient(135deg,var(--c-primary-dark) 0%,var(--c-primary) 60%,var(--c-primary-light) 100%)}.hero-bg::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,6%) 1px,transparent 1px);background-size:24px 24px;opacity:.5}.hero-eyebrow{font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.85);font-weight:500;margin:0 0 .75rem}.hero-title{font-size:clamp(2.8rem,7vw,5rem);color:#fff;margin:0 0 1rem;letter-spacing:-.02em}.hero-year{color:var(--c-accent)}.hero-meta{font-size:1.1rem;display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;color:rgba(255,255,255,.9);margin:0 0 1.5rem}.hero-meta 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0}.section-alt{background:var(--c-bg-alt)}.section-title{font-size:clamp(1.75rem,3.5vw,2.4rem);text-align:center;margin:0 0 .75rem}.section-sub{text-align:center;color:var(--c-text-muted);max-width:60ch;margin:0 auto 2.5rem}.lead{font-size:1.15rem;color:var(--c-text-muted)}.card-grid{display:grid;gap:1.25rem}.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--c-shadow);transition:transform var(--transition),box-shadow var(--transition)}.card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(15,23,42,8%),0 16px 36px rgba(15,23,42,.1)}.theme-card .theme-icon{font-size:2rem;margin-bottom:.75rem}.card-title{font-size:1.1rem;color:var(--c-primary-dark);margin:0 0 .5rem}.card-body{color:var(--c-text-muted);font-size:.95rem;margin:0}.program-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem}.program-day{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--c-shadow)}.program-day-title{font-size:1.2rem;border-bottom:2px solid var(--c-accent);padding-bottom:.5rem;margin:0 0 1rem}.program-list{list-style:none;margin:0;padding:0}.program-row{display:grid;grid-template-columns:110px 1fr;gap:.75rem;padding:.65rem 0;border-bottom:1px solid var(--c-border);font-size:.95rem}.program-row:last-child{border-bottom:0}.program-time{color:var(--c-primary);font-weight:500;font-variant-numeric:tabular-nums}.program-row--keynote .program-title{font-weight:600;color:var(--c-primary-dark)}.program-row--break .program-title{color:var(--c-text-muted);font-style:italic}.program-row--posters .program-title,.program-row--session 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var(--c-accent);padding-left:.65rem}.venue-note{color:var(--c-text-muted);font-size:.9rem}.organizer-group{margin-bottom:2.5rem}.organizer-group:last-child{margin-bottom:0}.organizer-group-title{font-size:1.2rem;text-align:center;margin:0 0 1.25rem;color:var(--c-primary-dark)}.organizer-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.75rem 1.25rem;justify-content:center;font-size:.98rem}.organizer-list--featured{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,max-content));gap:1rem;justify-content:center;font-size:1rem}.organizer-list--featured .organizer{display:flex;align-items:center;gap:.75rem;background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius);padding:.65rem 1rem;box-shadow:var(--c-shadow)}.organizer-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-light) 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tr.row-highlight{background:rgba(16,185,129,8%);font-weight:600;color:var(--c-primary-dark)}.contact-block{text-align:center}.contact-email{font-size:1.25rem;margin:1.5rem 0 0;font-family:var(--font-display)}.site-footer{background:var(--c-primary-dark);color:rgba(248,250,252,.85);padding:3rem 0 2rem;margin-top:2rem}.footer-inner{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}.footer-brand strong{color:#fff;font-size:1.1rem;font-family:var(--font-display)}.footer-brand p{margin:.5rem 0 0;font-size:.92rem}.footer-nav{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:flex-end;font-size:.92rem}.footer-nav a{color:rgba(248,250,252,.85)}.footer-nav a:hover{color:var(--c-accent)}.footer-copy{grid-column:1/-1;text-align:center;font-size:.85rem;color:rgba(248,250,252,.6);margin:1rem 0 0;padding-top:1rem;border-top:1px solid rgba(248,250,252,.15)}@media(max-width:600px){.footer-inner{grid-template-columns:1fr}.footer-nav{justify-content:flex-start}.program-row{grid-template-columns:95px 1fr}.hero{padding:4rem 0 3.5rem}.section{padding:3rem 0}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}