*{box-sizing:border-box}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;margin:0;color:#1a1a2e;background:#f8fafc}
header,footer{background:#0f172a;color:#fff;padding:1rem 1.25rem}header a,footer a{color:#93c5fd;text-decoration:none;margin-right:.75rem}
main{max-width:820px;margin:0 auto;padding:1.5rem 1.25rem 3rem;background:#fff;min-height:60vh}
h1{color:#0f172a;font-size:1.75rem}h2{color:#334155;margin-top:1.75rem}
ul,ol{padding-left:1.25rem}.cta{display:inline-block;background:#2563eb;color:#fff!important;padding:.75rem 1.25rem;border-radius:8px;text-decoration:none;font-weight:600;margin:1rem 0}
.disc{font-size:.85rem;color:#64748b;border-top:1px solid #e2e8f0;margin-top:2rem;padding-top:1rem}
.sim-box{background:#f1f5f9;border:1px solid #cbd5e1;border-radius:12px;padding:1.25rem;margin:1rem 0}
.sim-box label{display:block;margin:.5rem 0 .25rem;font-weight:600}
.sim-box input,.sim-box select{width:100%;max-width:320px;padding:.5rem;border:1px solid #94a3b8;border-radius:6px}
.sim-result{margin-top:1rem;padding:1rem;background:#ecfdf5;border-radius:8px;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;margin:1rem 0}
.card{border:1px solid #e2e8f0;border-radius:10px;padding:1rem;background:#fff}
.card a{font-weight:600;color:#1d4ed8;text-decoration:none}