:root{
  --brand:#0ea5e9;
  --bg:#f8fafc;
  --ink:#0f172a;
  --muted:#475569;
  --ring:#bae6fd;
  --card:#ffffff;
  --border:#e5e7eb;
  --accent:#22c55e;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);font-weight:700}
.logo .mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand),#38bdf8)}
.nav a{color:var(--ink);text-decoration:none;margin-left:18px}
.nav a.cta{background:var(--brand);color:#fff;padding:10px 14px;border-radius:10px;border:2px solid var(--brand)}
.nav a.cta:hover{background:#0284c7;border-color:#0284c7}
.hero{padding:72px 0}
h1{font-size:clamp(28px,4vw,48px);line-height:1.15;margin:0 0 10px}
.lead{font-size:clamp(16px,2.2vw,20px);color:var(--muted);max-width:780px}
.grid{display:grid;gap:20px}
@media(min-width:860px){.grid.cols-2{grid-template-columns:1fr 1fr}.grid.cols-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}
.section{padding:48px 0;border-top:1px solid var(--border)}
.footer{background:#fff;border-top:1px solid var(--border);padding:22px 0;margin-top:40px;font-size:14px;color:var(--muted)}
.kicker{display:inline-block;background:#e0f2fe;color:#0369a1;font-size:12px;padding:4px 8px;border-radius:999px;margin-bottom:10px}
.center{text-align:center}
.badge{display:inline-block;background:#dcfce7;color:#166534;font-size:12px;padding:4px 8px;border-radius:999px}
.list{margin:0;padding-left:18px}
.hero-actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 16px;border-radius:10px;text-decoration:none}
.btn.primary{background:var(--brand);color:#fff;border:2px solid var(--brand)}
.btn.secondary{border:1px solid var(--border);background:#fff;color:var(--ink)}
.notice{background:#fff8;backdrop-filter:blur(4px);padding:10px 14px;border:1px solid var(--ring);border-radius:10px}
hr{border:none;border-top:1px solid var(--border);margin:28px 0}
.small{font-size:12px;color:var(--muted)}
a{color:var(--brand)}