:root{--bg: #f6f7f9;--surface: #ffffff;--ink: #1c2733;--ink-soft: #51606e;--line: #e2e6ea;--brand: #1d6fb8;--brand-dark: #155a96;--accent: #f3a712;--result-bg: #eef5fb;--radius: 12px;--maxw: 760px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}a{color:var(--brand)}a:hover{color:var(--brand-dark)}h1{font-size:1.85rem;line-height:1.25;margin:0 0 .5rem}h2{font-size:1.3rem;margin:2.2rem 0 .6rem;padding-top:.4rem}h3{font-size:1.08rem;margin:1.4rem 0 .4rem}p{margin:.7rem 0}.lede{font-size:1.05rem;color:var(--ink-soft);margin-bottom:1.4rem}.site-header{background:var(--surface);border-bottom:1px solid var(--line)}.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px;flex-wrap:wrap;gap:8px}.logo{font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}.logo span{color:var(--brand)}.site-nav a{margin-left:18px;font-size:.95rem;text-decoration:none;color:var(--ink-soft)}.site-nav a:hover{color:var(--brand)}main{padding:28px 0 50px}.calc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:18px 0 8px;box-shadow:0 1px 3px #141e280d}.calc h2{margin-top:0}.field{margin-bottom:14px}.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:5px}.field .hint{font-weight:400;color:var(--ink-soft);font-size:.85rem}.field input[type=number]{width:100%;padding:10px 12px;font-size:1rem;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}.field input[type=number]:focus{outline:2px solid var(--brand);outline-offset:1px}.field select{width:100%;padding:10px 12px;font-size:1rem;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}.field select:focus{outline:2px solid var(--brand);outline-offset:1px}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.checks{display:flex;flex-wrap:wrap;gap:16px;margin:6px 0 16px}.check{display:flex;align-items:center;gap:7px;font-size:.92rem;font-weight:600}.check input{width:18px;height:18px}details.advanced{margin:4px 0 16px;font-size:.92rem}details.advanced summary{cursor:pointer;color:var(--brand);font-weight:600}details.advanced .field{margin-top:12px}button.calc-btn{width:100%;padding:13px;font-size:1.05rem;font-weight:700;color:#fff;background:var(--brand);border:none;border-radius:9px;cursor:pointer}button.calc-btn:hover{background:var(--brand-dark)}.result{background:var(--result-bg);border:1px solid #cfe2f1;border-radius:var(--radius);padding:20px;margin-top:18px}.result h3{margin-top:0}.result .headline{font-size:1.5rem;font-weight:800;color:var(--brand-dark);margin:4px 0 10px}.result ul{margin:8px 0;padding-left:20px}.result li{margin:3px 0}.result .summary{margin-top:12px;padding-top:12px;border-top:1px solid #cfe2f1}.result .actions{margin-top:14px}.btn-secondary{display:inline-block;padding:8px 14px;font-size:.9rem;font-weight:600;color:var(--brand);background:#fff;border:1px solid var(--brand);border-radius:8px;cursor:pointer;text-decoration:none}.btn-secondary:hover{background:#fff;color:var(--brand-dark)}.hidden{display:none}.error-msg{color:#b3261e;font-size:.9rem;margin-top:8px}.ad-slot{margin:26px 0;padding:14px;min-height:90px;display:flex;align-items:center;justify-content:center;background:#eef0f2;border:1px dashed #c4cad0;border-radius:8px;color:#8b97a3;font-size:.8rem;letter-spacing:.03em;text-transform:uppercase}.ad-unit{margin:26px 0;text-align:center}.ad-unit__label{display:block;font-size:.7rem;letter-spacing:.04em;text-transform:uppercase;color:#9aa6b1;margin-bottom:4px}.ad-unit .adsbygoogle{display:block}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin:20px 0}.tool-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;text-decoration:none;color:var(--ink)}.tool-card:hover{border-color:var(--brand);color:var(--ink)}.tool-card strong{display:block;font-size:1.02rem;margin-bottom:3px}.tool-card span{font-size:.88rem;color:var(--ink-soft)}.tool-card.soon{opacity:.55;pointer-events:none}.tool-card.soon:after{content:"Coming soon";display:inline-block;margin-top:6px;font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--accent);font-weight:700}.faq details{border-bottom:1px solid var(--line);padding:12px 0}.faq summary{cursor:pointer;font-weight:600;font-size:1rem}.faq details[open] summary{margin-bottom:6px}.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:24px 0;margin-top:30px;font-size:.88rem;color:var(--ink-soft)}.site-footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}.site-footer a{color:var(--ink-soft);margin-right:14px;text-decoration:none}.site-footer a:hover{color:var(--brand)}@media(max-width:520px){body{font-size:16px}h1{font-size:1.55rem}.row{grid-template-columns:1fr}.calc{padding:18px}}@media print{.site-header,.site-footer,.ad-slot,.ad-unit,.calc form,.calc h2,.calc p,details.advanced,.result .actions,.breadcrumb{display:none!important}body{background:#fff}.result{border:2px solid #333}}