/* Basic modern styling without build tools */
:root{
  --bg:#0b1220;
  --fg:#0f172a;
  --brand:#2563eb;
  --muted:#64748b;
  --text:#0b1220;
  --paper:#ffffff;
  --ring:#cbd5e1;
  --success:#16a34a;
  --danger:#dc2626;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;background:var(--paper);color:var(--text);}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--ring)}
.nav a{color:#111827;text-decoration:none;margin:0 10px;font-weight:600}
.nav .brand{display:flex;gap:10px;align-items:center}
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:4px 8px;border-radius:999px;background:#eef2ff;color:#3730a3;border:1px solid #c7d2fe}
.hero{padding:64px 0;display:grid;grid-template-columns:1.2fr 0.8fr;gap:32px;align-items:center}
.hero h1{font-size:44px;line-height:1.1;margin:0 0 12px}
.hero p{font-size:18px;color:var(--muted)}
.cta{display:flex;gap:12px;margin-top:18px}
.button{appearance:none;border:none;background:var(--brand);color:#fff;padding:12px 18px;border-radius:12px;font-weight:700;cursor:pointer}
.button.secondary{background:#0f172a}
.button.ghost{background:#fff;color:#111827;border:1px solid var(--ring)}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{border:1px solid var(--ring);border-radius:16px;padding:18px;background:#fff;box-shadow:0 1px 0 rgba(15,23,42,.03)}
.card h3{margin:8px 0}
.card p{color:var(--muted);margin-top:6px}
.price{font-size:36px;font-weight:800;margin:6px 0}
.small{font-size:12px;color:var(--muted)}
.section{padding:48px 0}
.footer{margin-top:48px;border-top:1px solid var(--ring);padding:24px 0;color:var(--muted);font-size:14px}
.input, select{width:100%;padding:12px 14px;border:1px solid var(--ring);border-radius:12px;font-size:16px}
input[type="search"]{appearance:none}
label{font-weight:700;font-size:14px}
.stack{display:grid;gap:8px}
.kbd{font-family:monospace;font-size:12px;background:#f1f5f9;border:1px solid #e2e8f0;padding:2px 6px;border-radius:6px}
pre.code{overflow:auto;background:#0f172a;color:#e2e8f0;padding:16px;border-radius:12px}
/* Responsive */
@media (max-width: 900px){
  .hero{grid-template-columns:1fr}
  .grid.cols-3{grid-template-columns:1fr}
}