:root{
  --bg:#f6f8fb;--card:#ffffff;--accent:#0b74de;--muted:#6b7280;--text:#0f1724;
  --radius:12px
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
.container{max-width:1100px;margin:0 auto;padding:20px}
.site-header{background:transparent;padding:18px 0}
.brand{font-weight:700;color:var(--text);text-decoration:none;font-size:1.1rem;margin-right:20px}
.nav{float:right}
.nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-weight:600}
.hero{padding:48px 0}
.hero-inner{display:flex;gap:24px;align-items:stretch}
.hero-text{flex:1}
.hero-text h1{margin:0 0 8px;font-size:2rem}
.lead{margin:0 0 18px;color:var(--muted)}
.actions .btn{display:inline-block;padding:10px 16px;border-radius:10px;text-decoration:none;font-weight:700}
.btn.primary{background:var(--accent);color:#fff}
.btn.ghost{background:transparent;border:1px solid rgba(11,116,222,0.12);color:var(--accent);margin-left:10px}
.hero-card{width:300px;background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:0 8px 30px rgba(12,20,30,0.06)}
.hero-card h3{margin:0 0 8px}
.meta{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:10px 0 0;color:var(--muted)}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}
.features article{background:var(--card);padding:16px;border-radius:12px;box-shadow:0 6px 18px rgba(12,20,30,0.04)}
.site-footer{padding:20px 0;color:var(--muted);text-align:center}

/* Responsive */
@media (max-width:800px){
  .hero-inner{flex-direction:column}
  .nav{float:none;text-align:right;margin-top:8px}
  .features{grid-template-columns:1fr}
}