:root{--bg:#0b1020;--bg-2:#111832;--card:#151d3b;--line:#26305a;--text:#e8ecf8;--muted:#9aa5c7;--accent:#3ddc97;--accent-ink:#062b1c;--accent-2:#5b8cff;--radius:14px;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.nav{position:sticky;top:0;z-index:10;background:rgba(11,16,32,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:700;font-size:1.08rem;text-decoration:none;display:flex;align-items:center;gap:10px;white-space:nowrap}.logo .lt{color:var(--accent)}
.nav-links{display:flex;gap:28px;align-items:center}.nav-links>a:not(.btn){text-decoration:none;color:var(--muted);font-size:.92rem;font-weight:500}.nav-links>a:not(.btn):hover{color:var(--text)}
.btn{display:inline-block;text-decoration:none;font-weight:600;padding:12px 22px;border-radius:10px;font-size:1rem;transition:transform .15s,box-shadow .15s}
.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(61,220,151,.25)}
.btn-ghost{border:1px solid var(--line);color:var(--text)}.btn-ghost:hover{border-color:var(--muted)}
.nav .btn{padding:9px 16px;font-size:.88rem;border-radius:8px}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:18px}.crumbs a{color:var(--muted)}
.hero{padding:72px 0 56px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% -10% auto auto;width:700px;height:700px;background:radial-gradient(circle,rgba(91,140,255,.16),transparent 60%);pointer-events:none}
.eyebrow{display:inline-flex;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:rgba(61,220,151,.1);border:1px solid rgba(61,220,151,.3);padding:6px 12px;border-radius:999px}
h1{font-size:clamp(2rem,4.4vw,3.1rem);line-height:1.12;margin:18px 0;letter-spacing:-.025em;max-width:860px}h1 .hl{color:var(--accent)}
.lead{font-size:1.15rem;color:var(--muted);max-width:720px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
section{padding:72px 0}.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{display:block;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
h2{font-size:clamp(1.6rem,3.2vw,2.2rem);letter-spacing:-.025em;line-height:1.2;margin:0 0 14px}
.prose{max-width:780px}.prose p,.prose li{color:#c3cbe6}.prose ul{padding-left:20px}.prose li{margin-bottom:8px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}.grid.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin:0 0 8px;font-size:1.08rem}.card p{margin:0;color:var(--muted);font-size:.95rem}
.num{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--accent-2);color:#fff;font-weight:700;font-size:.9rem;margin-bottom:12px}
.fields{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.fields span{padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:.9rem}.fields .key{border-color:var(--accent);color:var(--accent);font-weight:600}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:12px;max-width:820px}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.3rem;line-height:1}details[open] summary::after{content:"–"}details p{color:var(--muted);margin:12px 0 0}
.band{display:flex;align-items:center;gap:24px;padding:32px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(61,220,151,.12),rgba(91,140,255,.10));border:1px solid rgba(61,220,151,.4)}
.band div{flex:1}.band h2{margin:0 0 6px;font-size:1.5rem}.band p{margin:0;color:var(--muted)}
.related{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.related a{color:var(--accent)}
footer{padding:36px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.88rem}footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
@media (max-width:1000px){.nav-links>a:not(.btn){display:none}}
@media (max-width:900px){.grid,.grid.g4{grid-template-columns:1fr 1fr}.band{flex-direction:column;align-items:flex-start}.hero{padding:48px 0 40px}section{padding:56px 0}}
@media (max-width:560px){.grid,.grid.g4{grid-template-columns:1fr}.wrap{padding:0 16px}.nav .btn-ghost{display:none}.logo{font-size:.98rem}}