:root{--bg:#0b0f14;--panel:#111821;--panel2:#151e29;--text:#eaf0f5;--muted:#9eabb8;--line:#263241;--cyan:#5ce1e6;--blue:#8da9ff;--max:1180px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.62}a{color:var(--cyan);text-underline-offset:3px}
.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}header{border-bottom:1px solid var(--line);background:#0b0f14f2;position:sticky;top:0;z-index:10}.nav{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo{font-weight:850;color:var(--text);text-decoration:none;letter-spacing:-.03em}.logo span{color:var(--cyan)}nav{display:flex;gap:18px;flex-wrap:wrap}nav a{color:var(--muted);text-decoration:none;font-size:.86rem;font-weight:750}
.hero{padding:88px 0 66px;background:radial-gradient(circle at 75% 10%,#152c3b 0,transparent 38%)}.kicker{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--cyan);font-size:.78rem;text-transform:uppercase;letter-spacing:.13em}h1{font-size:clamp(2.6rem,6vw,5.2rem);line-height:1;letter-spacing:-.06em;margin:.2em 0;max-width:950px}.lede{font-size:1.18rem;color:var(--muted);max-width:790px}
.btn{display:inline-block;padding:11px 16px;border:1px solid var(--cyan);border-radius:6px;text-decoration:none;font-weight:800;margin:8px 8px 0 0}.btn.primary{background:var(--cyan);color:#061015}
section{padding:52px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{border:1px solid var(--line);background:linear-gradient(180deg,var(--panel2),var(--panel));padding:22px;border-radius:8px}.card h3{margin:.3em 0}.metric{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--blue);font-size:.78rem}
.article{display:grid;grid-template-columns:minmax(0,780px) 280px;gap:52px;padding:56px 0}.article h1{font-size:clamp(2.35rem,5vw,4.2rem)}.article h2{font-size:1.7rem;line-height:1.2;margin-top:2.25em}.article p,.article li{font-size:1.03rem}.breadcrumb{font-size:.8rem;color:var(--muted);margin-bottom:20px}.breadcrumb a{color:var(--muted)}
.system{border:1px solid var(--line);background:var(--panel);padding:20px;margin:26px 0;border-radius:8px}.system strong{color:var(--cyan)}.check{display:grid;grid-template-columns:30px 1fr;gap:12px;margin:17px 0}.check:before{content:"→";font-family:monospace;color:var(--cyan);font-weight:900}
aside{position:sticky;top:90px;align-self:start}.box{border:1px solid var(--line);background:var(--panel);padding:18px;border-radius:8px;margin-bottom:14px}.box h3{margin-top:0}.small{font-size:.82rem;color:var(--muted)}
footer{border-top:1px solid var(--line);padding:38px 0 55px;color:var(--muted)}.foot{display:flex;justify-content:space-between;gap:25px;flex-wrap:wrap}
@media(max-width:850px){header{position:relative}.nav{align-items:flex-start;flex-direction:column;padding:15px 0}.grid,.article{grid-template-columns:1fr}aside{position:static}.hero{padding-top:52px}}