:root{--bg:#f7f4ed;--panel:#fffdf8;--ink:#17211b;--muted:#5b665f;--line:#ddd8cc;--accent:#a54f2a;--soft:#efe8db;--ok:#2f6b4f;--warn:#8c5e16;--radius:18px;--shadow:0 12px 30px rgba(24,33,27,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.58}a{color:inherit}img{max-width:100%}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px;z-index:50}header{position:sticky;top:0;z-index:20;background:rgba(247,244,237,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.head{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:-.02em}.head nav{display:flex;gap:20px}.head nav a{text-decoration:none;font-weight:650;font-size:.95rem}.head nav a:hover{text-decoration:underline}.nav-toggle{display:none;border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:8px 12px}.hero{padding:76px 0 44px}.eyebrow{font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;color:var(--accent)}h1{font-size:clamp(2.4rem,6vw,5.4rem);line-height:.98;letter-spacing:-.055em;margin:.15em 0 .3em;max-width:950px}h2{font-size:clamp(1.65rem,3vw,2.6rem);letter-spacing:-.035em;line-height:1.15;margin:0 0 18px}h3{line-height:1.2;letter-spacing:-.02em;margin:.25em 0 .45em}.lead{font-size:1.18rem;color:var(--muted);max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn,button.primary{display:inline-flex;align-items:center;justify-content:center;padding:12px 17px;border-radius:12px;background:var(--ink);color:white;text-decoration:none;border:1px solid var(--ink);font-weight:750;cursor:pointer}.btn.secondary{background:transparent;color:var(--ink);border-color:var(--line)}section{padding:44px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid.two{grid-template-columns:repeat(2,1fr)}.card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;box-shadow:0 1px 0 rgba(0,0,0,.02)}a.card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.card p{color:var(--muted);margin-bottom:0}.badge{display:inline-block;font-size:.75rem;font-weight:800;padding:4px 8px;border-radius:999px;background:var(--soft);color:var(--accent)}.tool{background:var(--panel);border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field label{display:block;font-weight:750;margin-bottom:6px}.field select,.field input{width:100%;border:1px solid #cfc8ba;background:white;border-radius:12px;padding:12px;font:inherit;color:var(--ink)}.field small{display:block;color:var(--muted);margin-top:5px}.result{margin-top:22px;padding:22px;border-radius:18px;background:#eef5f0;border:1px solid #c9ded0}.result[hidden]{display:none}.result h3{font-size:1.55rem;margin-top:0}.result .main-result{font-size:1.15rem;font-weight:800}.warning{background:#fff7e6;border:1px solid #ebd7aa;padding:14px 16px;border-radius:12px;color:#65430c}.note{background:#eef2f0;border-left:4px solid var(--ok);padding:13px 16px;border-radius:8px}.share{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.share button,.share a{border:1px solid var(--line);background:white;border-radius:10px;padding:8px 10px;text-decoration:none;font-weight:700;font-size:.9rem;cursor:pointer}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:var(--panel)}table{width:100%;border-collapse:collapse;min-width:650px}th,td{text-align:left;padding:13px 15px;border-bottom:1px solid var(--line)}th{background:var(--soft);font-size:.9rem}tr:last-child td{border-bottom:0}.breadcrumbs{font-size:.9rem;color:var(--muted);padding-top:24px}.breadcrumbs a{color:inherit}.article{width:min(820px,calc(100% - 32px));margin:auto;padding:26px 0 56px}.article h1{font-size:clamp(2.2rem,5vw,4.1rem)}.article h2{margin-top:42px}.article p,.article li{font-size:1.03rem}.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0}.fact{background:var(--panel);border:1px solid var(--line);padding:16px;border-radius:14px}.fact strong{display:block}.fact span{color:var(--muted)}.source-list li{margin:10px 0}.source-list a{overflow-wrap:anywhere}.converter{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:12px}.converter .arrow{padding-bottom:12px;font-weight:800}.mini-result{margin-top:16px;font-weight:800}.cta{background:var(--ink);color:white;border-radius:26px;padding:30px}.cta p{color:#d9dedb}.cta .btn{background:#fff;color:var(--ink);border-color:#fff}footer{border-top:1px solid var(--line);margin-top:40px;padding:40px 0 24px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-grid>div{display:flex;flex-direction:column;gap:8px}.footer-grid a{text-decoration:none}.footer-grid p{color:var(--muted);max-width:540px}.fine{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:.86rem}.cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:760px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 20px 60px rgba(0,0,0,.18);z-index:30}.cookie p{margin:0 0 12px}.cookie>div{display:flex;gap:8px}.cookie button{border:1px solid var(--line);padding:9px 12px;border-radius:10px;background:white;font-weight:700;cursor:pointer}.cluster-links{display:flex;gap:8px;flex-wrap:wrap}.cluster-links a{padding:8px 11px;border:1px solid var(--line);border-radius:999px;text-decoration:none;background:var(--panel)}@media(max-width:800px){.grid,.grid.two,.form-grid,.facts,.footer-grid{grid-template-columns:1fr}.head nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--bg);padding:18px 16px;border-bottom:1px solid var(--line);flex-direction:column}.head nav.open{display:flex}.nav-toggle{display:block}.hero{padding-top:52px}.tool{padding:20px}.converter{grid-template-columns:1fr}.converter .arrow{display:none}}