:root{--accent: #0f766e;--accent-dark: #0b5c56;--accent-soft: #e6f4f2;--ink: #14213d;--muted: #5b6577;--line: #e2e6ec;--bg: #ffffff;--bg-soft: #f6f8fa;--radius: 14px;--max: 1040px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}*,*:before,*:after{box-sizing:border-box}body{margin:0}img,svg{max-width:100%}a{color:var(--accent-dark)}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}.narrow{max-width:720px}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;padding-top:12px;padding-bottom:12px}.brand{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--ink);letter-spacing:-.02em}.brand span{color:var(--accent)}.nav{display:flex;flex-wrap:wrap;gap:4px 18px;font-size:.95rem}.nav a{color:var(--ink);text-decoration:none;padding:6px 0}.nav a:hover,.nav a[aria-current=page]{color:var(--accent-dark);text-decoration:underline}main{padding:24px 0 56px}h1{font-size:clamp(1.75rem,5vw,2.6rem);line-height:1.15;margin:0 0 12px;letter-spacing:-.02em}h2{font-size:1.45rem;line-height:1.25;margin:2.2rem 0 .6rem;letter-spacing:-.01em}h3{font-size:1.1rem;margin:1.4rem 0 .4rem}.lead{font-size:1.125rem;color:var(--muted);margin:0 0 24px;max-width:60ch}.hero{padding:24px 0 8px}.hero .lead{margin-bottom:0}.grid{display:grid;gap:16px;grid-template-columns:1fr;margin-top:16px}@media(min-width:720px){.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}}.card{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--bg)}a.card{text-decoration:none;color:inherit;display:block;transition:border-color .15s,box-shadow .2s,transform 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#c5ccd6;border-radius:10px;background:#fff;color:var(--ink)}.input-wrap input:focus{border-color:var(--accent);outline:3px solid rgb(15 118 110 / .25);outline-offset:0}.input-wrap .unit{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none;font-size:.95rem}.presets{display:flex;gap:8px;margin-top:8px}.presets button,.btn{font:inherit;font-size:.9rem;font-weight:600;padding:6px 14px;border-radius:999px;border:1px solid var(--accent);background:#fff;color:var(--accent-dark);cursor:pointer}.presets button:hover,.btn:hover{background:var(--accent-soft)}.presets button[aria-pressed=true]{background:var(--accent);color:#fff}.btn.primary{background:var(--accent);color:#fff;text-decoration:none;display:inline-block}.btn.primary:hover{background:var(--accent-dark)}.share{margin-top:6px}.results{display:grid;gap:12px}.big{border-radius:var(--radius);background:var(--accent);color:#fff;padding:20px}.big .label{font-size:.95rem;opacity:.9}.big 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details{border-bottom:1px solid var(--line);padding:12px 0}.faq summary{cursor:pointer;font-weight:600}.faq details p{margin:8px 0 0;color:var(--muted)}.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.related a{border:1px solid var(--line);border-radius:999px;padding:6px 14px;text-decoration:none;font-weight:600;font-size:.92rem}.related a:hover{border-color:var(--accent);background:var(--accent-soft)}.affiliate{border:1px dashed #b9c2cf;border-radius:var(--radius);padding:20px;margin-top:32px}.affiliate h2{margin-top:0;font-size:1.2rem}.affiliate .tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;background:#fff4d6;color:#7a5600;border-radius:6px;padding:2px 8px;margin-left:8px;vertical-align:middle}.provider{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:12px 0;border-top:1px solid var(--line)}.provider:first-of-type{border-top:0}.provider .nm{font-weight:700}.provider .bl{color:var(--muted);font-size:.9rem}.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:24px 0;font-size:.9rem;color:var(--muted)}.site-footer .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}.site-footer nav{display:flex;gap:16px;flex-wrap:wrap}.disclaimer{margin-top:28px;font-size:.85rem;color:var(--muted)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.meta{color:var(--muted);font-size:.9rem}