:root{--ink:#112033;--muted:#5c6b7a;--line:#dde5ec;--soft:#f5f8fb;--brand:#126b72;--accent:#f3b64c;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:#fff;line-height:1.55}a{color:inherit;text-decoration:none}header{height:72px;max-width:1180px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-weight:900;font-size:24px;letter-spacing:-1px}.brand span{color:var(--brand)}nav{display:flex;gap:24px;color:var(--muted);font-weight:650}.hero{max-width:1180px;margin:auto;padding:82px 24px 50px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--brand)}h1{font-size:clamp(42px,7vw,76px);line-height:.98;letter-spacing:-3px;max-width:900px;margin:12px 0 22px}.hero p{font-size:20px;color:var(--muted);max-width:680px}.search{margin-top:28px;display:flex;max-width:680px;box-shadow:0 10px 30px #20304012;border:1px solid var(--line);border-radius:16px;overflow:hidden}.search input{flex:1;padding:18px 20px;border:0;font-size:17px;outline:0}.search button{border:0;background:var(--brand);color:white;padding:0 24px;font-weight:800}.section{max-width:1180px;margin:auto;padding:38px 24px 76px}.section h2{font-size:34px;letter-spacing:-1px;margin:0 0 8px}.sectionlead{color:var(--muted);margin:0 0 26px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:24px;border:1px solid var(--line);border-radius:18px;background:white;transition:.18s}.card:hover{transform:translateY(-2px);box-shadow:0 12px 28px #20304012;border-color:#bdcbd7}.pill{display:inline-block;font-size:11px;font-weight:850;text-transform:uppercase;letter-spacing:.1em;color:var(--brand);background:#eaf6f6;padding:6px 9px;border-radius:999px}.card h3{margin:15px 0 6px;font-size:21px}.card p{margin:0;color:var(--muted)}.featured{background:var(--soft)}.toolpage{max-width:920px;margin:auto;padding:55px 24px 80px}.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:20px}.toolpage h1{font-size:clamp(38px,6vw,62px);letter-spacing:-2px;margin-bottom:14px}.lede{font-size:19px;color:var(--muted);max-width:720px}.calc{margin:30px 0;border:1px solid var(--line);border-radius:20px;padding:24px;background:white;box-shadow:0 12px 35px #2030400c}.fields{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field label{display:block;font-weight:750;font-size:14px;margin-bottom:7px}.field input,.field select{width:100%;padding:13px 14px;border:1px solid #cdd8e1;border-radius:10px;font-size:16px}.result{margin-top:20px;background:#ecf7f6;border-radius:14px;padding:20px}.result strong{display:block;font-size:32px;color:var(--brand)}.article{max-width:760px}.article h2{font-size:28px;margin-top:38px}.article p,.article li{color:#465665}.related{margin-top:44px;border-top:1px solid var(--line);padding-top:28px}.related a{display:inline-block;margin:6px 8px 6px 0;padding:9px 12px;background:var(--soft);border-radius:10px;font-weight:650}footer{max-width:1180px;margin:auto;padding:38px 24px 50px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:18px;color:var(--muted)}footer b{color:var(--ink);font-size:20px}.footlinks{display:flex;gap:18px}footer small{grid-column:1/-1}@media(max-width:760px){nav a:nth-child(2){display:none}.hero{padding-top:55px}h1{letter-spacing:-2px}.grid{grid-template-columns:1fr}.fields{grid-template-columns:1fr}.search button{padding:0 16px}footer{grid-template-columns:1fr}.footlinks{flex-wrap:wrap}}

.filters{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px}.filterbtn{border:1px solid #d8e3df;background:white;border-radius:999px;padding:9px 14px;font-weight:700;cursor:pointer}.filterbtn.active,.filterbtn:hover{background:#0a7c67;color:white;border-color:#0a7c67}

header nav{flex-wrap:wrap}
.unit{color:#72808d;font-weight:500}
.calc-actions{margin-top:6px}
.calc-actions button{border:1px solid #cbd8d4;background:#fff;border-radius:9px;padding:9px 14px;font-weight:700;cursor:pointer}
.calc-actions button:hover{background:#f3f8f7}
.example{background:#f5f8fb;border-left:4px solid #126b72;padding:14px 16px;border-radius:8px;margin:18px 0}
.example p{margin:.35rem 0 0}
.article ul{padding-left:1.25rem;line-height:1.7}
.trustrow{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px;font-weight:700;color:#365064}
.hero.compact{padding-bottom:26px}
.smallgrid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.category-links .card h3{margin-top:0}
@media(max-width:760px){header nav a:nth-child(n+4):not(:last-child){display:none}.trustrow{font-size:.92rem}}