:root{
  --bg:#f6f8fb;
  --brand:#0f6fab;
  --muted:#6b7280;
  font-family:Inter,system-ui,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#0f172a}
.container{max-width:960px;margin:0 auto;padding:20px}
.site-header{background:linear-gradient(90deg,var(--brand),#2dd4bf);color:#fff;padding:18px 0}
.logo{display:inline-block;background:#fff;color:var(--brand);padding:8px 12px;border-radius:8px;font-weight:700;margin-right:12px}
.hero{padding:36px 0}
.card{background:#fff;padding:16px;border-radius:10px;box-shadow:0 6px 18px rgba(16,24,40,0.06)}
.btn{display:inline-block;margin-top:12px;padding:10px 14px;background:#fff;color:var(--brand);border-radius:8px;text-decoration:none;font-weight:700}