:root{--navy:#12314d;--teal:#0f766e;--sand:#f6f1e7;--ink:#1f2937;--muted:#667085;--line:#e5e7eb;--gold:#d97706;--card:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);line-height:1.6;background:#fff}
a{color:var(--teal)}header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:10}
.nav{max-width:1140px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:14px 20px;gap:16px;flex-wrap:wrap}
.logo{font-weight:900;color:var(--navy);font-size:22px;text-decoration:none}.logo span{color:var(--teal)}
.nav nav{display:flex;gap:16px;flex-wrap:wrap}.nav nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.btn{display:inline-block;background:var(--teal);color:#fff!important;padding:11px 18px;border-radius:999px;text-decoration:none;font-weight:700;border:0;cursor:pointer}
.btn.secondary{background:#fff;color:var(--navy)!important;border:1px solid var(--line)}.btn.gold{background:var(--gold)}
.wrap{max-width:1140px;margin:auto;padding:28px 20px}
.hero{background:linear-gradient(135deg,var(--navy),#175073);color:#fff;padding:54px 0}.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.05;margin:10px 0}.hero p{color:#dbeafe;max-width:720px;font-size:18px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--teal)}.hero .eyebrow{color:#5eead4}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.card h3{margin-top:0;color:var(--navy)} .tag{display:inline-block;background:#ecfdf5;color:#065f46;padding:3px 8px;border-radius:999px;font-size:12px;font-weight:700}
.tag.example{background:#fff7ed;color:#9a3412;border:1px dashed #fdba74}
.section{padding:34px 0}.alt{background:var(--sand)}
label{font-weight:700;display:block;margin:14px 0 6px}input,select{width:100%;padding:12px;border:1px solid #d1d5db;border-radius:10px;font-size:16px}
.result{margin-top:18px;padding:18px;border-radius:12px;background:#eff6ff;border:1px solid #bfdbfe}
.kicker{font-size:14px;color:var(--muted)}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f8fafc}
footer{background:var(--navy);color:#cbd5e1;padding:36px 0}footer a{color:#99f6e4}
.small{font-size:13px;color:var(--muted)}footer .small{color:#94a3b8}
.checklist li{margin:8px 0}.notice{border-left:4px solid var(--gold);background:#fffbeb;padding:14px 16px;border-radius:8px}
input[type=range]{padding:0}
@media(max-width:640px){.nav{justify-content:center;text-align:center}.hero{padding:36px 0}}