:root{--bg:#fff;--fg:#1a1a1a;--muted:#5c5c5c;--line:#e2e2e2;--soft:#f6f6f5;--accent:#1f6f5c;--accent-fg:#fff;--max:760px;--radius:8px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max);margin:0 auto;padding:0 20px}.wide{max-width:1040px}.site-footer,.site-header{border-bottom:1px solid var(--line)}.site-footer{border-bottom:none;border-top:1px solid var(--line);margin-top:48px;padding:28px 0;color:var(--muted);font-size:14px}.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:72px}.brand{font-weight:700;font-size:20px;color:var(--fg);letter-spacing:-.01em}.brand:hover{text-decoration:none}.brand span{color:var(--accent)}.brand__logo{display:block;height:50px;width:auto}.header-cta{font-size:14px;color:var(--muted)}.header-search{flex:1 1;max-width:420px;margin:0 24px}.search{position:relative}.search__input{width:100%;height:42px;border:1px solid var(--line);border-radius:8px;padding:0 14px;font-size:15px;font-family:inherit;background:#fff;color:var(--fg);outline:none}.search__input:focus{border-color:var(--accent)}.search__results{position:absolute;top:48px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:8px;list-style:none;margin:0;padding:6px;z-index:20;box-shadow:0 8px 24px rgba(0,0,0,.08)}.search__results li a{display:block;padding:9px 10px;border-radius:6px;color:var(--fg)}.search__results li a:hover{background:var(--soft);text-decoration:none}.search__empty{padding:9px 10px;color:var(--muted);font-size:14px}.mobile-search{padding:12px 0 4px}.catbar{border-top:1px solid var(--line);background:var(--soft)}.catbar__inner{display:flex;align-items:center;flex-wrap:wrap;gap:2px 4px;min-height:46px;padding:6px 0}.catbar a{color:var(--muted);font-size:14px;font-weight:500;white-space:nowrap;padding:6px 12px;border-radius:6px}.catbar a:hover{color:var(--fg);background:#fff;text-decoration:none}.catbar a.active{color:var(--accent);background:#fff}.menu-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--fg);cursor:pointer}.mobile-panel{display:none}.mobile-panel nav{padding-top:4px;padding-bottom:8px}.mobile-panel a{display:block;padding:13px 0;border-bottom:1px solid var(--line);color:var(--fg);font-size:16px;font-weight:500}.mobile-panel a:last-child{border-bottom:none}@media (max-width:720px){.catbar,.header-cta,.header-search{display:none}.menu-toggle{display:inline-flex}.mobile-panel{display:block;border-top:1px solid var(--line);background:#fff}.brand__logo{height:44px}.site-header__inner{height:64px}}h1{font-size:30px;line-height:1.2;letter-spacing:-.02em;margin:28px 0 8px}h2{font-size:22px;margin:32px 0 8px;letter-spacing:-.01em}h3{font-size:18px;margin:20px 0 6px}p{margin:10px 0}.lead{color:var(--muted);font-size:18px;margin-top:0}.breadcrumbs{font-size:14px;margin-top:18px}.breadcrumbs,.breadcrumbs a{color:var(--muted)}.tool{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:18px 0}.field{margin-bottom:14px}.field label{display:block;font-size:14px;font-weight:600;margin-bottom:4px}.field .hint{font-weight:400;color:var(--muted)}.input-wrap{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}.input-wrap .prefix,.input-wrap .suffix{padding:0 10px;color:var(--muted);background:var(--soft);font-size:15px;line-height:42px}.input-wrap input{flex:1 1;border:0;outline:none;padding:0 10px;height:42px;font-size:16px;width:100%;background:transparent;color:var(--fg)}.grid-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.tool-actions{display:flex;gap:18px;margin-top:12px}.btn-link{background:none;border:none;padding:0;font:inherit;font-size:14px;color:var(--accent);cursor:pointer}.btn-link:hover{text-decoration:underline}@media (max-width:560px){.grid-2{grid-template-columns:1fr}}.results{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;margin:18px 0}@media (max-width:560px){.results{grid-template-columns:1fr}}.result{border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-align:center}.result .label{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}.result .value{font-size:24px;font-weight:700;margin-top:4px}.result.primary{background:var(--accent);border-color:var(--accent)}.result.primary .label{color:hsla(0,0%,100%,.85)}.result.primary .value{color:var(--accent-fg)}.toggle{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin:8px 0 4px}.toggle button{border:0;background:#fff;padding:8px 14px;font-size:14px;cursor:pointer;color:var(--muted)}.toggle button[aria-pressed=true]{background:var(--accent);color:#fff}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}table.schedule{border-collapse:collapse;width:100%;font-size:14px}table.schedule td,table.schedule th{padding:8px 12px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}table.schedule td:first-child,table.schedule th:first-child{text-align:left}table.schedule thead th{background:var(--soft);position:-webkit-sticky;position:sticky;top:0}table.schedule tbody tr:nth-child(2n){background:#fbfbfa}.cards{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px;margin:16px 0}@media (max-width:460px){.cards{grid-template-columns:1fr;gap:10px}}@media (min-width:720px){.cards{grid-template-columns:repeat(3,1fr)}}.card{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;color:var(--fg)}.card:hover{border-color:var(--accent);text-decoration:none}.card .card__name{font-weight:600}.card .card__cat{font-size:13px;color:var(--muted)}.card.soon{opacity:.6}.card.soon .badge{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:1px 8px;margin-left:6px}.faq details{border-bottom:1px solid var(--line);padding:12px 0}.faq summary{font-weight:600;cursor:pointer}.faq p{color:var(--muted)}.calc-display{background:#fff;border:1px solid var(--line);border-radius:6px;padding:12px 14px;text-align:right;margin-bottom:12px;min-height:64px}.calc-display .expr{font-size:15px;color:var(--muted);min-height:20px;word-break:break-all}.calc-display .out{font-size:28px;font-weight:700;word-break:break-all}.calc-grid{display:grid;grid-template-columns:repeat(5,1fr);grid-gap:8px;gap:8px}.calc-btn{border:1px solid var(--line);background:#fff;border-radius:6px;padding:12px 0;font-size:16px;cursor:pointer;color:var(--fg);font-family:inherit}.calc-btn:hover{border-color:var(--accent)}.calc-btn.fn{background:var(--soft);font-size:14px;color:var(--muted)}.calc-btn.op{background:var(--soft);font-weight:600}.calc-btn.eq{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:700}.calc-btn.wide{grid-column:span 2}.content li,.content p{color:#2b2b2b}.muted{color:var(--muted)}.small{font-size:14px}