:root { color-scheme: dark; --bg: #0f1115; --panel: #161b22; --border: #2a2f3a; --text: #e6e6e6; --muted: #b8c3d1; --accent: #72b5ff; }
* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: "Segoe UI", Arial, sans-serif; max-width: 1040px; margin: 0 auto; padding: 0 24px 32px; line-height: 1.65; }
h1, h2, h3 { color: #fff; line-height: 1.25; }
h1 { font-size: clamp(2rem, 6vw, 3.5rem); margin: 8px 0 16px; }
h2 { font-size: 1.6rem; margin-top: 32px; }
h3 { font-size: 1.2rem; }
p { color: var(--muted); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
img { max-width: 100%; height: auto; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 24px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.site-nav [aria-current="page"] { color: #fff; text-decoration: underline; text-underline-offset: 5px; }
.hero { padding: 48px 0 24px; max-width: 800px; }
.brand-logo { width: 67px; height: auto; }
.eyebrow { color: var(--accent); font-weight: 600; margin: 20px 0 10px; }
.lead { font-size: 1.3rem; line-height: 1.5; }
.intro { margin-bottom: 36px; }
.benefits, .platform-grid { display: grid; gap: 22px; }
.benefits { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 26px 0; }
.benefits h3 { margin-bottom: 8px; }
.benefits p { margin-top: 0; }
.platform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.platform-card, .card, .version, details.doc { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin-top: 20px; }
.platform-card { display: flex; flex-direction: column; align-items: flex-start; }
.platform-card h2, .platform-card h3 { margin-top: 16px; }
.platform-card p { margin-top: 0; }
.status { display: inline-block; border-radius: 999px; font-size: .85rem; font-weight: 700; padding: 4px 12px; }
.available { background: #174530; color: #9af1bf; }
.forthcoming { background: #493b16; color: #ffe09b; }
.button, .download { display: inline-block; padding: 10px 18px; background: #173d65; border: 1px solid #3c72a7; border-radius: 8px; color: #fff; font-weight: 600; margin-top: 12px; }
.button:hover, .download:hover { background: #22517f; text-decoration: none; }
.text-link { margin-top: 14px; }
.release-notice { background: #292416; border: 1px solid #665428; border-radius: 10px; padding: 16px 20px; }
.release-notice p { color: #ffe6ad; margin: 6px 0; }
.toc { display: flex; flex-wrap: wrap; gap: 10px 20px; padding: 20px 0; }
details.doc > summary { cursor: pointer; font-size: 1.15rem; font-weight: 600; color: #fff; }
details.doc[open] > summary { margin-bottom: 18px; }
.table-wrap { max-width: 100%; overflow-x: auto; margin: 16px 0; }
.table-wrap:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.table-wrap table { width: 100%; min-width: 640px; border-collapse: collapse; font-size: .95rem; }
.table-wrap th, .table-wrap td { padding: 10px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.table-wrap thead { background: #1c2633; }
.table-wrap tbody th { color: #fff; min-width: 130px; }
.table-wrap td { color: var(--muted); }
li { margin-bottom: 8px; }
.meta, figcaption { color: #9aa4b2; font-size: .9rem; }
.footer { text-align: center; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--border); color: #9aa4b2; }
[id] { scroll-margin-top: 20px; }
@media (max-width: 680px) { body { padding: 0 18px 24px; } .platform-grid, .benefits { grid-template-columns: 1fr; } .hero { padding-top: 30px; } .platform-card, details.doc { padding: 20px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }