@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&display=swap');:root{--ink:#16332e;--muted:#5f716c;--teal:#0f766e;--teal-dark:#0b5d56;--canvas:#f6f8f5;--surface:#fff;--border:#d8e2dd;--soft:#eaf4f0}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;background:var(--canvas);color:var(--ink);font:16px/1.72 'DM Sans',Inter,system-ui,sans-serif}a{color:var(--teal);text-underline-offset:4px}.w{width:min(1160px,calc(100% - 40px));margin:auto}header{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--border);background:rgba(255,255,255,.94);box-shadow:0 8px 28px rgba(22,51,46,.06);backdrop-filter:blur(16px)}header .w{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:10px 0}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none}.brand img{width:38px;height:38px;border-radius:12px}.brand span{font-size:21px;font-weight:800}nav{display:flex;gap:17px;font-size:13px}nav a{color:#29443e;text-decoration:none}.topbtn,.btn{display:inline-block;border:1px solid var(--teal);border-radius:999px;background:var(--teal);color:#fff;padding:11px 17px;text-decoration:none;font-weight:800}.topbtn{padding:9px 14px;font-size:13px}.crumb{padding-top:24px;color:var(--muted);font-size:13px}.crumb a{color:var(--muted)}.hero{padding:58px 0 30px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}h1{max-width:1020px;margin:12px 0;font-size:clamp(42px,5.2vw,70px);line-height:1.02;letter-spacing:-.045em}h2{margin:52px 0 15px;font-size:32px;line-height:1.18;letter-spacing:-.035em}h3{margin:0 0 9px;font-size:20px}.lead{max-width:920px;color:var(--muted);font-size:21px}.facts,.cards,.cluster{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:27px 0}.fact,.card,.panel,.note,.calculator,.checklist,.cta{border:1px solid var(--border);border-radius:18px;background:#fff;padding:20px}.fact b{display:block;font-size:25px;font-weight:800}.fact span,.muted{color:var(--muted);font-size:14px}.note{border-left:4px solid #d6a843}.danger{border-left-color:#c65f6f}.good{border-left-color:var(--teal)}.calculator{background:var(--soft)}.formgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.formgrid label{display:block;color:var(--ink);font-size:14px}.formgrid input,.formgrid select{width:100%;margin-top:7px;border:1px solid #b9cbc5;border-radius:11px;background:#fff;color:var(--ink);padding:12px;font:inherit}.output{min-height:60px;margin-top:15px;border-radius:12px;background:#fff;padding:15px;color:var(--ink)}.checklist label{display:flex;gap:11px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--border)}.checklist input{margin-top:6px;accent-color:var(--teal)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:17px}.secondary{border-color:#a9c7c0;background:#fff;color:var(--teal)}.card p{margin-bottom:0;color:var(--muted)}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:13px;border:1px solid var(--border);text-align:left;vertical-align:top}th{color:var(--teal-dark)}.steps li{margin:10px 0}.cluster a{color:inherit;text-decoration:none}.cluster .card:hover{border-color:var(--teal)}.cta{margin:48px 0;background:var(--soft)}.sources{margin-top:42px;border-top:1px solid var(--border);padding:24px 0 55px}.sources a{display:block;margin:8px 0}.pill{display:inline-block;border-radius:999px;background:var(--soft);color:var(--teal-dark);padding:5px 10px;font-size:12px;font-weight:800}.split{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.callout{font-size:19px;font-weight:700;color:var(--ink)}.footer{border-top:1px solid var(--border);background:#fff;padding:25px 0 40px;color:var(--muted);font-size:13px}a,button,.card{transition:color .18s ease,background-color .18s ease,border-color .18s ease!important}.card:hover{transform:none}@media(max-width:850px){nav{display:none}.facts,.cards,.cluster,.formgrid,.split{grid-template-columns:1fr}h1{font-size:43px}.topbtn{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{header,.actions,.cta{display:none}body{background:#fff;color:#111}.fact,.card,.panel,.note,.calculator,.checklist,table{background:#fff;color:#111;border-color:#bbb}.muted,.fact span{color:#444}}