:root{--bg:#0b0c10;--card:#111319;--text:#e9edf3;--muted:#97a1b5;--brand:#57a6ff;--brand-ink:#001a33;--border:#1a2030;--radius:16px;--shadow:0 6px 24px rgba(0,0,0,.25), 0 1px 0 rgba(255,255,255,.03) inset}@media (prefers-color-scheme:light){:root{--bg:#f6f7fb;--card:#fff;--text:#1b2430;--brand-ink:#eaf3ff;--border:#e7ecf5}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.container{max-width:1080px;margin:0 auto;padding:20px}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}@media (max-width:767px){.grid-3{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:var(--brand-ink);border:0;padding:10px 16px;border-radius:12px;font-weight:700;cursor:pointer}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}.nav{display:flex;gap:14px;flex-wrap:wrap}.hero{padding:18px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg,rgba(87,166,255,.08),transparent)}.hero h1{margin:0 0 8px;font-size:clamp(22px,5vw,36px)}.hero p{margin:0;color:var(--muted)}.footer{margin-top:36px;padding:14px 0;color:var(--muted);font-size:14px;border-top:1px solid var(--border)}a{text-decoration:none;color:inherit}.brand{display:flex;align-items:center;gap:10px}.btn:focus-visible{outline:2px solid #fff;outline-offset:2px}