:root{--c:#1f4fd8;--d:#0f172a;--m:#64748b;--b:#e2e8f0}*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--d);background:#f8fafc}
header,footer{background:#fff;border-bottom:1px solid var(--b)}footer{border-top:1px solid var(--b);margin-top:3rem;font-size:.9rem;color:var(--m)}
.wrap{max-width:960px;margin:0 auto;padding:1rem 1.25rem}nav{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}nav a{color:var(--d);text-decoration:none}.logo{font-weight:800;font-size:1.25rem;margin-right:auto}.logo span{color:var(--c)}
a{color:var(--c)}h1{line-height:1.2}.hero{padding:2.5rem 0}.hero h1{font-size:2.4rem;margin:0 0 .5rem}.lead{font-size:1.15rem;color:#334155}
.btn{display:inline-block;background:var(--c);color:#fff;padding:.65rem 1.1rem;border-radius:8px;text-decoration:none;font-weight:600;margin:.25rem 0}.btn.ghost{background:#fff;color:var(--c);border:2px solid var(--c)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1rem}.card{background:#fff;border:1px solid var(--b);border-radius:12px;padding:1rem;text-decoration:none;color:var(--d)}.card:hover{border-color:var(--c)}.card h3{margin:.2rem 0;color:var(--c)}
table{width:100%;border-collapse:collapse;background:#fff;margin:1rem 0;font-size:.95rem}th,td{border:1px solid var(--b);padding:.55rem;text-align:left}th{background:#eef2ff}
.verified{font-size:.85rem;color:#166534;background:#f0fdf4;padding:.5rem .75rem;border-radius:6px}.unverified{color:#9a3412;background:#fff7ed;padding:0 .3rem}.small{font-size:.85rem;color:var(--m)}
.calc{display:grid;gap:.8rem;background:#fff;padding:1.25rem;border:1px solid var(--b);border-radius:12px}.calc label{display:grid;gap:.25rem;font-weight:600}input,select{font:inherit;padding:.5rem;border:1px solid #cbd5e1;border-radius:6px}
.result{margin-top:1rem;background:#fff;border:2px solid var(--c);border-radius:12px;padding:1rem}.result .big{font-size:1.8rem;font-weight:800;color:var(--c)}
.disclosure{font-size:.85rem;color:var(--m);border-left:3px solid var(--c);padding-left:.6rem}
@media(max-width:600px){.hero h1{font-size:1.8rem}table{font-size:.85rem}}