:root{--bg:#f5f7fb;--surface:#ffffff;--surface-2:#f0f4ff;--text:#0f172a;--muted:#475569;--border:#dbe4f0;--brand:#2563eb;--brand-2:#7c3aed;--ok:#0ea5a4;--shadow:0 10px 30px rgba(2,8,23,.08)}
html[data-theme="dark"]{--bg:#070b14;--surface:#0e1525;--surface-2:#131d33;--text:#e2e8f0;--muted:#9fb0c9;--border:#22304d;--brand:#60a5fa;--brand-2:#a78bfa;--ok:#2dd4bf;--shadow:0 14px 40px rgba(0,0,0,.35)}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(1200px 500px at 80% -10%, rgba(37,99,235,.12), transparent 60%), var(--bg);color:var(--text);transition:background .25s,color .25s}
.container{max-width:1080px;margin:0 auto;padding:0 20px}.nav{position:sticky;top:0;backdrop-filter:blur(10px);background:color-mix(in srgb, var(--bg) 84%, transparent);border-bottom:1px solid var(--border);z-index:20}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:800;letter-spacing:.2px}.brand small{font-weight:600;color:var(--muted)}.nav a{color:var(--text);text-decoration:none;margin-left:18px}
.hero{padding:64px 0 32px}.kicker{display:inline-block;padding:6px 12px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--muted);font-size:.86rem}
h1{font-size:clamp(1.8rem,3.8vw,3.2rem);line-height:1.12;margin:14px 0}.lead{font-size:1.07rem;color:var(--muted);max-width:760px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:12px;border:1px solid var(--border);text-decoration:none;color:var(--text);background:var(--surface);transition:.2s transform,.2s box-shadow,.2s border-color}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.btn-primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;border:none}
.grid{display:grid;gap:14px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.card h3{margin:0 0 8px;font-size:1.03rem}.card p,.card li{color:var(--muted)}
.section{padding:26px 0}.section h2{font-size:1.5rem;margin:0 0 12px}.footer{padding:28px 0 40px;color:var(--muted)}
.theme-toggle{position:fixed;right:14px;bottom:14px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:999px;padding:10px 13px;cursor:pointer;z-index:30;box-shadow:var(--shadow)}
.badge{display:inline-block;padding:5px 10px;border-radius:999px;background:color-mix(in srgb, var(--ok) 16%, var(--surface));border:1px solid color-mix(in srgb, var(--ok) 45%, var(--border));color:var(--text);font-size:.85rem}
.list-clean{margin:8px 0 0;padding-left:18px}
@media (max-width:900px){.grid-3,.grid-2{grid-template-columns:1fr}.nav a{margin-left:12px}}