:root { --brand:#5865F2; --ink:#2c3e50; --bg:#fafafa; --card:#fff; --muted:#6b7280; }
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
header{position:sticky;top:0;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.06);z-index:10;display:flex;justify-content:space-between;align-items:center;padding:14px 20px}
header .logo{font-weight:800;letter-spacing:.2px}
header nav a{margin-left:18px}
.hero{background:linear-gradient(180deg,rgba(88,101,242,.06),transparent)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.hero .container{padding:72px 20px;text-align:center}
.hero h1{font-size:40px;margin:0 0 12px}
.hero p{max-width:720px;margin:0 auto 24px;color:var(--muted)}
.cta{display:inline-block;padding:12px 18px;border-radius:10px;background:var(--brand);color:#fff;text-decoration:none}
main.container{padding:40px 20px}
h2{font-size:28px;margin:28px 0 16px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.feature{background:var(--card);border-radius:14px;box-shadow:0 2px 8px rgba(0,0,0,.05);padding:18px}
.feature h3{margin:0 0 6px}
footer{border-top:1px solid rgba(0,0,0,.06);margin-top:40px}
footer p{max-width:1100px;margin:0 auto;padding:18px 20px;color:var(--muted);text-align:center}