:root{--bg:#08080a;--bg-2:#111115;--card:#16161b;--line:#26262e;--text:#ecebe8;--muted:#9a99a3;--accent:#00b4e6;--accent-2:#7ee8ff;--radius:14px;--max:1180px}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font:16px/1.6 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:Syne,sans-serif;line-height:1.1;letter-spacing:-.02em}
header{position:sticky;top:0;z-index:50;background:rgba(8,8,10,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{font-family:Manrope,sans-serif;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.logo span{color:var(--accent)}
.links{display:flex;gap:30px;font-size:.92rem;color:var(--muted)}
.links a:hover,.links a.on{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:2px;font-weight:600;font-size:.88rem;letter-spacing:.02em;transition:transform .2s,background .2s,border-color .2s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{transform:translateY(-2px);background:#29c3ee}
.btn-ghost{border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--muted)}
.burger{display:none;background:none;border:0;color:var(--text);font-size:1.6rem;cursor:pointer}
.hero{position:relative;overflow:hidden;padding:70px 0 80px;isolation:isolate}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.45}
.hero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(8,8,10,.95) 0%,rgba(8,8,10,.75) 55%,rgba(8,8,10,.45)),linear-gradient(0deg,var(--bg),transparent 40%)}
.back{color:var(--muted);font-size:.9rem}
.back:hover{color:var(--text)}
.org{display:flex;align-items:center;gap:14px;margin:34px 0 22px;color:var(--muted);font-size:.9rem;flex-wrap:wrap}
.org img{height:34px;width:auto;max-width:150px;object-fit:contain}
.org b{color:var(--text)}
.hero h1{font-size:clamp(2.1rem,5.4vw,4rem);max-width:900px}
.lead{color:#cfcdc9;font-size:1.12rem;max-width:720px;margin:22px 0 34px}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.facts{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:-10px}
.fact{background:var(--card);padding:20px 18px}
.fact small{display:block;color:var(--accent);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;margin-bottom:6px}
.fact b{font-size:.98rem;font-weight:600;line-height:1.35;display:block}
.sessions{color:var(--muted);margin:22px 0 70px;font-size:.95rem}
.sessions b{color:var(--text)}
.cols{display:grid;grid-template-columns:1.5fr 1fr;gap:50px;align-items:start}
.cols h2{font-size:2rem;margin-bottom:24px}
details{border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:12px;overflow:hidden}
summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;display:flex;gap:14px;align-items:baseline}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";margin-left:auto;color:var(--muted);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"−"}
.pn-num{font-family:Syne;color:var(--accent);font-size:.85rem}
details ul{padding:0 22px 20px 52px;color:#cfcdc9}
details li{margin:6px 0}
aside .box{border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:14px;background:var(--bg-2)}
aside h3{font-size:1.05rem;margin-bottom:10px}
aside p,aside li{color:#cfcdc9;font-size:.93rem}
aside ul{padding-left:18px}
aside li{margin:5px 0}
.final{margin:70px 0 18px;border:1px solid var(--line);border-radius:22px;padding:40px;background:linear-gradient(135deg,rgba(0,180,230,.14),rgba(255,255,255,.01) 55%);display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.final h3{font-size:1.6rem;margin-bottom:8px}
.final p{color:var(--muted);max-width:560px}
.src{color:var(--muted);font-size:.8rem;margin-bottom:50px}
.pnav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:90px}
.pnav a{border:1px solid var(--line);border-radius:12px;padding:18px 20px;transition:border-color .2s}
.pnav a:hover{border-color:var(--accent)}
.pnav small{display:block;color:var(--muted);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px}
.pnav b{font-family:Syne}
.pnav .nx{text-align:right;grid-column:2}
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:.85rem}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media (max-width:1000px){.facts{grid-template-columns:repeat(3,1fr)}.cols{grid-template-columns:1fr}}
@media (max-width:720px){
 .wrap{padding:0 16px}
 .links{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;background:rgba(8,8,10,.97);border-bottom:1px solid var(--line)}
 .links.open{display:flex}.links a{padding:16px 20px;border-top:1px solid var(--line)}
 .burger{display:block}nav .btn{display:none}
 .facts{grid-template-columns:repeat(2,1fr)}
 .final{padding:26px}
 .pnav{grid-template-columns:1fr}.pnav .nx{grid-column:1}
 details ul{padding-left:36px}
}