:root{--bg:#f8fafc;--card:#fff;--accent:#2563eb;--accent-dark:#1e40af;--warm:#f97316;--text:#0f172a;--muted:#475569;--border:#e2e8f0}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
header{background:rgba(255,255,255,.95);backdrop-filter:blur(12px);padding:14px 0;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
nav{display:flex;justify-content:space-between;align-items:center;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo .icon{height:40px;width:40px}
.logo .wordmark{height:26px;width:auto}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:16px 32px;border-radius:12px;text-decoration:none;font-weight:600;font-size:1.05rem;border:0;cursor:pointer;font-family:inherit;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 14px rgba(37,99,235,.3)}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(37,99,235,.4)}
.btn-sm{padding:10px 20px;font-size:.95rem}
.btn-ghost{background:transparent;color:var(--accent);box-shadow:none;border:2px solid var(--accent)}
section{padding:80px 0}
h1,h2{letter-spacing:-.8px}
h2{font-size:2.4rem;font-weight:800;margin-bottom:12px;text-align:center;color:var(--text)}
.subtitle{text-align:center;color:var(--muted);margin:0 auto 48px;font-size:1.1rem;max-width:640px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);padding:32px;border-radius:16px;border:1px solid var(--border);box-shadow:0 4px 24px rgba(0,0,0,.05)}
.card h3{font-size:1.3rem;margin-bottom:10px;font-weight:700;color:var(--accent)}
footer{padding:40px 0;text-align:center;color:var(--muted);border-top:1px solid var(--border);background:#fff;font-size:.95rem}
footer a{color:var(--accent);text-decoration:none}
footer p+p{margin-top:6px}
@media(max-width:900px){.grid{grid-template-columns:1fr}section{padding:56px 0}h2{font-size:1.9rem}.subtitle{margin-bottom:32px}}