:root{--bg:#fbfbf9;--fg:#1b1f24;--muted:#5b6470;--line:#e2e5e9;--accent:#1f5fbf;--accent-fg:#fff;--card:#fff;--ok:#1d7a4c;--warn:#a65c00;--bad:#b3261e;--code:#f1f3f5}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#111417;--fg:#e8eaed;--muted:#9aa3ad;--line:#2a2f36;--accent:#7aa7ff;--accent-fg:#0b1020;--card:#171b20;--ok:#5ccc8f;--warn:#e0a24a;--bad:#ff7b72;--code:#1d2228}}
:root[data-theme="dark"]{--bg:#111417;--fg:#e8eaed;--muted:#9aa3ad;--line:#2a2f36;--accent:#7aa7ff;--accent-fg:#0b1020;--card:#171b20;--ok:#5ccc8f;--warn:#e0a24a;--bad:#ff7b72;--code:#1d2228}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:var(--code);border-radius:4px}code{padding:.1em .3em}pre{padding:12px;overflow:auto}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;border-bottom:1px solid var(--line);max-width:1080px;margin:0 auto}
.brand{font-weight:700;text-decoration:none;color:var(--fg);font-size:18px}.top nav{display:flex;gap:14px;flex-wrap:wrap}.top nav a{text-decoration:none;color:var(--muted)}
main{max-width:1080px;margin:0 auto;padding:0 16px 48px}main.doc{max-width:900px}
.hero{padding:48px 0 24px}.hero h1{font-size:clamp(28px,4.5vw,44px);line-height:1.15;margin:0 0 12px;letter-spacing:-.01em}.hero p.lead{font-size:19px;color:var(--muted);max-width:720px;margin:0 0 20px}
.dates{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:20px 0}.dates div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}.dates b{display:block;font-size:17px}
.btn{display:inline-block;padding:10px 16px;border-radius:8px;background:var(--accent);color:var(--accent-fg);text-decoration:none;font-weight:600;border:0;cursor:pointer;font-size:15px}.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}.btn[disabled]{opacity:.5;cursor:not-allowed}
.btns{display:flex;gap:10px;flex-wrap:wrap}
section{padding:32px 0;border-top:1px solid var(--line)}section h2{font-size:26px;margin:0 0 8px;letter-spacing:-.01em}section p.sub{color:var(--muted);margin:0 0 18px;max-width:760px}
.q{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:10px 0}.q legend,.q .qt{font-weight:600;margin-bottom:6px}.q label{display:block;padding:5px 0;cursor:pointer}.q input{margin-right:8px}
.result{border-left:4px solid var(--accent);background:var(--card);border-radius:8px;padding:14px 16px;margin-top:16px}.result.out{border-left-color:var(--warn)}.result.in{border-left-color:var(--ok)}.result h3{margin:0 0 8px}.result ul{padding-left:20px}.result li{margin:6px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}.card h3{margin:0 0 6px;font-size:18px}.card .price{font-size:30px;font-weight:700;margin:6px 0}.card .per{color:var(--muted);font-size:14px}.card ul{padding-left:18px;margin:10px 0}.card li{margin:4px 0}.card .btn{margin-top:8px}
.docs li{margin:6px 0}.docs small{color:var(--muted)}
table{border-collapse:collapse;width:100%;margin:12px 0;font-size:15px}th,td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}th{background:var(--code)}
.note{color:var(--muted);font-size:14px}.draftline{background:var(--code);border-radius:8px;padding:10px 12px;font-size:14px}
.docnav{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:14px;padding:10px 0;border-bottom:1px solid var(--line);margin-bottom:16px}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding:18px 16px;max-width:1080px;margin:0 auto}
details{margin:8px 0;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 12px}summary{cursor:pointer;font-weight:600}
input[type=email],input[type=text],select{padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--fg);font-size:15px;min-width:220px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:var(--code)}
@media (max-width:600px){.top{flex-direction:column;align-items:flex-start}.hero{padding:28px 0 16px}}