:root{--blue:#0877ff;--navy:#06182e;--ink:#0b1220;--muted:#657287;--line:#e5e9f0;--bg:#fff;--pink:#e91e63;--purple:#762cff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}
.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:#041224;color:#fff;position:relative;z-index:5}.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.04em;line-height:1}.brand small{display:block;font-weight:500;opacity:.7;font-size:10px;margin-top:5px}.brand-icon{width:34px;height:34px;border:1px solid #2ba6ff;border-radius:50%;display:grid;place-items:center;color:#2ba6ff}.topbar nav{display:flex;align-items:center;gap:25px;font-size:13px}.topbar nav a:hover{color:#42aaff}.nav-cta{background:var(--brand,var(--blue));padding:10px 17px;border-radius:6px;color:#fff!important}
.main-hero{min-height:470px;background:radial-gradient(circle at 72% 35%,#0b5c9e 0,#061b34 40%,#020b18 100%);background-size:cover;background-position:center;display:flex;align-items:center;color:#fff}.hero-copy{width:min(600px,90%);margin-left:7%;padding:70px 0}.eyebrow,.section-kicker{font-size:11px;letter-spacing:.14em;font-weight:800;color:#1688ff}.main-hero .eyebrow{color:#63bdff}.main-hero h1{font-size:58px;line-height:.98;margin:15px 0;max-width:610px}.main-hero p{font-size:17px;line-height:1.55;color:#d5e1ef;max-width:560px}.actions{display:flex;gap:12px;margin-top:25px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:6px;padding:12px 19px;font-weight:700;cursor:pointer;font-size:13px}.btn.primary{background:var(--brand,var(--blue));color:#fff}.btn.ghost{border:1px solid rgba(255,255,255,.6);color:#fff;background:transparent}.btn.secondary{background:#eaf3ff;color:#1267c7}.btn.small{padding:9px 14px;background:#0d79ff;color:#fff}.btn.tiny{padding:7px 11px;background:#edf5ff;color:#1466b8;font-size:11px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);padding:25px 8%;border-bottom:1px solid var(--line);gap:20px}.stats div{display:flex;align-items:center;justify-content:center;gap:12px}.stats b{font-size:25px;color:#1177ed}.stats span{font-size:12px;color:#536175;font-weight:700}
.section{padding:70px 7%;}.section.light,.alt{background:#f7f9fc}.section h2{font-size:36px;margin:8px 0 18px}.lead{max-width:820px;font-size:18px;line-height:1.7;color:#5d6a7d}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:25px}.section-head>a{color:#1177ed;font-size:13px;font-weight:700}.conference-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.conference-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 8px 30px rgba(12,31,55,.06)}.conference-card img,.card-art{height:175px;width:100%;object-fit:cover}.card-art{background:linear-gradient(135deg,#f0a1c7,#792d61)}.card-art.nanorise{background:radial-gradient(circle at 60% 40%,#f08cff,#20113d 55%,#090414)}.card-art.ai{background:radial-gradient(circle at 70% 40%,#078cff,#071b35 55%,#020711)}.card-body{padding:17px}.card-body h3{margin:0 0 10px}.card-body p{font-size:12px;color:#6a7483;margin:6px 0}.past-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.past-art{height:130px;border-radius:9px;background:linear-gradient(135deg,#0a2647,#2c5d91)}.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.gallery-grid img{height:150px;width:100%;object-fit:cover;border-radius:8px}.gallery-empty{min-height:140px;border:1px dashed #cbd4df;border-radius:10px;display:grid;place-items:center;color:#718096;grid-column:1/-1}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.news-card{border:1px solid var(--line);border-radius:10px;padding:20px;background:#fff}.news-card img{height:140px;width:100%;object-fit:cover;border-radius:7px;margin-bottom:12px}.contact-panel{background:#06182e;color:#fff}.contact-panel .section-kicker{color:#5bb9ff}
.conf-hero{min-height:410px;background:linear-gradient(100deg,#10131a,#272f3d);background-size:cover;background-position:center;color:#fff;display:flex;align-items:center}.hero-inner{width:100%;padding:70px 6%}.conf-hero .hero-copy{margin:0;max-width:760px;padding:0}.conf-hero h1{font-size:54px;line-height:1;margin:12px 0}.conf-hero h2{font-size:19px;font-weight:500;margin:0 0 15px}.conf-hero p{max-width:650px;color:#e5eaf2;line-height:1.6}.hero-meta{display:flex;gap:25px;font-size:13px;margin-top:20px}.icon-strip{display:grid;grid-template-columns:repeat(5,1fr);padding:20px 6%;border-bottom:1px solid var(--line);gap:10px}.icon-strip div{display:grid;grid-template-columns:30px 1fr;column-gap:7px;color:var(--brand,#147cf0);font-size:19px}.icon-strip b,.icon-strip small{grid-column:2}.icon-strip b{font-size:12px;color:#1b2533}.icon-strip small{font-size:10px;color:#7a8594}.split{display:grid;grid-template-columns:1.4fr .8fr;gap:50px}.feature-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px;display:grid;gap:12px;align-self:center;box-shadow:0 12px 30px rgba(0,0,0,.05)}.feature-card strong{font-size:22px}.topic-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:9px;overflow:hidden}.topic-card img,.topic-art{height:105px;width:100%;object-fit:cover}.topic-art{display:grid;place-items:center;background:linear-gradient(135deg,var(--brand,#0877ff),#071526);color:#fff;font-size:34px}.topic-card h3{font-size:12px;padding:0 12px 12px;margin:10px 0 0}.speaker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.speaker-card{background:#fff;border:1px solid var(--line);padding:16px;border-radius:9px}.speaker-card img,.avatar{height:150px;width:100%;object-fit:cover;border-radius:7px}.avatar{display:grid;place-items:center;background:#eaf0f7;font-size:50px}.speaker-card h3{font-size:15px;margin:12px 0 4px}.speaker-card p,.speaker-card small{font-size:11px;color:#697586}.map-placeholder{min-height:230px;border-radius:12px;background:linear-gradient(135deg,#dce9f4,#f6f9fc);display:grid;place-items:center;text-align:center;color:#66819a;font-weight:800}.register-panel{background:#eef6ff}.reg-form{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:850px}.reg-form input,.reg-form select{padding:13px;border:1px solid #ccd5e0;border-radius:6px;background:#fff}.reg-form button{width:max-content}
footer{background:#041224;color:#cdd8e5;padding:45px 7%;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}footer b{color:#fff}footer a,footer span{display:block;font-size:12px;margin-top:10px;color:#aebdce}
.setup-card{max-width:650px;margin:10vh auto;padding:40px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.08)}.setup-card code{background:#f1f4f8;padding:2px 5px}.muted{color:#748095}
.admin-shell{background:#f5f7fb}.admin-top{height:68px;background:#fff;border-bottom:1px solid #e3e7ee;display:flex;justify-content:space-between;align-items:center;padding:0 25px}.admin-brand{display:flex;align-items:center;gap:10px;font-weight:800;line-height:1;font-size:12px}.admin-brand small{display:block;color:#758096;font-size:9px;margin-top:4px}.admin-layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 68px)}.sidebar{background:#071a30;color:#c5d0de;padding:18px 12px}.sidebar a{display:block;padding:12px 13px;border-radius:6px;font-size:12px;margin-bottom:3px}.sidebar a:hover,.sidebar a.active{background:#0b73ff;color:#fff}.admin-main{padding:30px;max-width:1400px;width:100%;margin:auto}.admin-main>h1{font-size:28px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:25px 0}.metric-grid div{background:#fff;border:1px solid #e2e7ef;border-radius:9px;padding:20px}.metric-grid b{font-size:28px;display:block}.metric-grid span{font-size:12px;color:#697689}.admin-card{background:#fff;border:1px solid #e1e6ed;border-radius:9px;padding:20px;margin:18px 0;overflow:auto}.admin-card h2{font-size:18px;margin-top:0}.admin-card table{width:100%;border-collapse:collapse;font-size:12px}.admin-card th,.admin-card td{text-align:left;padding:12px;border-bottom:1px solid #edf0f4}.pill{background:#e8f8ef;color:#14844a;padding:5px 8px;border-radius:999px;font-size:10px}.quick-actions{display:flex;gap:10px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.form-grid label{font-size:11px;font-weight:700;color:#536174;display:grid;gap:7px}.form-grid input,.form-grid select,.form-grid textarea,.inline-form input,.inline-form select{border:1px solid #ccd5e0;border-radius:6px;padding:11px;font:inherit;background:#fff}.form-grid .full{grid-column:1/-1}.inline-form{display:flex;gap:8px;flex-wrap:wrap}.inline-form input,.inline-form select{min-width:150px}.admin-login{background:linear-gradient(135deg,#06182e,#0d4d83);min-height:100vh;display:grid;place-items:center}.login-card{width:min(420px,92%);background:#fff;padding:40px;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.2);display:grid;gap:14px}.login-card input{padding:13px;border:1px solid #ccd5e0;border-radius:6px}.login-card h1{margin:0}.alert{background:#fff0f0;color:#b32323;padding:10px;border-radius:6px;font-size:12px}
@media(max-width:900px){.topbar nav{gap:10px;font-size:10px}.main-hero h1,.conf-hero h1{font-size:42px}.conference-grid,.news-grid,.past-grid{grid-template-columns:1fr 1fr}.topic-grid{grid-template-columns:repeat(2,1fr)}.speaker-grid{grid-template-columns:repeat(2,1fr)}.icon-strip{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.admin-layout{grid-template-columns:1fr}.sidebar{display:flex;overflow:auto;gap:4px}.sidebar a{white-space:nowrap}.metric-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.topbar{height:auto;padding:15px 4%;align-items:flex-start}.topbar nav{display:none}.main-hero{min-height:560px}.hero-copy{margin-left:6%}.main-hero h1,.conf-hero h1{font-size:36px}.conference-grid,.news-grid,.past-grid,.split,.form-grid,.reg-form{grid-template-columns:1fr}.gallery-grid{grid-template-columns:1fr 1fr}.speaker-grid{grid-template-columns:1fr 1fr}.topic-grid{grid-template-columns:1fr 1fr}.section{padding:50px 5%}.stats{padding:20px 5%}.stats div{justify-content:flex-start}.icon-strip{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr 1fr}.admin-main{padding:18px}.admin-top{padding:0 14px}}