:root{
  --brand:#0b5fa5;
  --accent:#22c55e;
  --bg:#f8fafc;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#64748b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.65}
.container{max-width:1100px;margin:0 auto;padding:18px}
.nav{background:var(--brand);color:#fff;position:sticky;top:0;z-index:10}
.nav .container{display:flex;align-items:center;gap:16px;justify-content:space-between}
.nav a{color:#fff;text-decoration:none;margin:0 10px;font-weight:600;font-size:15px}
.nav .menu{display:flex;flex-wrap:wrap}
.header{background:#eaf3fb;border-bottom:1px solid #dbe8f6}
h1{margin:10px 0 6px}
.lead{color:var(--muted);margin:0 0 12px}
.card{background:var(--card);border:1px solid #e5e7eb;border-radius:12px;padding:14px 16px;box-shadow:0 2px 12px rgba(2,6,23,.05)}
.list{display:grid;grid-template-columns:1fr;gap:12px}
.item{display:flex;gap:12px}
.rank{min-width:40px;height:40px;border-radius:10px;background:#eff6ff;color:#1d4ed8;display:flex;align-items:center;justify-content:center;font-weight:800}
.item h3{margin:0 0 6px}
.item p{margin:0;color:var(--muted)}
.footer{background:var(--brand);color:#e5e7eb}
.footer .container{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px}
.whatsapp{position:fixed;right:14px;bottom:14px;width:56px;height:56px;z-index:99;filter:drop-shadow(0 4px 10px rgba(0,0,0,.25))}
@media(min-width:860px){
  .list{grid-template-columns:1fr 1fr}
}