/* Shared look for the secondary pages (privacy, terms, contact). Mirrors index.html. */
:root {
  --sky: linear-gradient(180deg, #2465AB, #3399C5, #91D6DB);
  --tint: #174F79; --accent: #91D6DB; --on-accent: #0D1B2A;
  --bg: color-mix(in srgb, var(--tint) 45%, #0A0C12);
  --surface: color-mix(in srgb, var(--tint) 30%, #151821);
  --line: rgba(255,255,255,.10); --text: #F3F5F8; --muted: rgba(243,245,248,.68);
  --radius: 16px; --mono: ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif; -webkit-font-smoothing: antialiased; transition: background-color .5s; }
a { color: var(--accent); }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
nav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4); background: color-mix(in srgb, var(--bg) 70%, transparent); border-bottom: 1px solid var(--line); }
nav .wrap { display: flex; align-items: center; gap: 28px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; text-decoration: none; color: var(--text); }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
nav .links { display: flex; gap: 22px; margin-left: auto; font-size: 14px; }
nav .links a { text-decoration: none; color: var(--muted); } nav .links a:hover, nav .links a[aria-current] { color: var(--text); }
.btn { display: inline-flex; align-items: center; height: 34px; padding: 0 13px; border-radius: 9px; font-weight: 600; font-size: 13.5px; text-decoration: none; background: var(--accent); color: var(--on-accent); }
.head { position: relative; background: var(--sky); padding: 72px 0 96px; overflow: hidden; transition: background .6s; }
.head::after { content: ""; position: absolute; inset: auto 0 0; height: 140px; background: linear-gradient(transparent, var(--bg)); }
.head .wrap { position: relative; z-index: 1; }
.eyebrow { font: 600 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.85); margin-bottom: 14px; }
h1 { font-size: clamp(36px, 5vw, 56px); letter-spacing: -.02em; line-height: 1.1; margin: 0; text-shadow: 0 2px 24px rgba(0,0,0,.25); }
.updated { color: rgba(255,255,255,.8); margin: 12px 0 0; font-size: 14px; }
main.doc { max-width: 780px; margin: -40px auto 0; padding: 0 24px 80px; position: relative; z-index: 2; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 32px 28px; }
.panel h2 { font-size: 20px; letter-spacing: -.01em; margin: 28px 0 6px; scroll-margin-top: 80px; }
.panel p, .panel li { color: var(--muted); } .panel ul { padding-left: 20px; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; text-decoration: none; color: var(--text); display: block; transition: border-color .2s, transform .2s; }
a.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card b { display: block; font-size: 17px; margin-bottom: 4px; } .card span { color: var(--muted); font-size: 14.5px; }
footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer nav { position: static; background: none; border: 0; backdrop-filter: none; display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--text); opacity: .8; text-decoration: none; } footer a:hover { opacity: 1; }
.theme-btn { position: fixed; z-index: 20; right: 20px; bottom: 20px; width: 44px; height: 44px; border-radius: 50%; padding: 0; cursor: pointer; display: grid; place-items: center; background: rgba(20,24,34,.6); border: 1px solid rgba(255,255,255,.2); backdrop-filter: blur(12px); transition: transform .2s; }
.theme-btn:hover { transform: scale(1.08); }
.theme-btn i { width: 22px; height: 22px; border-radius: 50%; background: var(--c, #7BB8DE); box-shadow: 0 0 0 2px rgba(255,255,255,.75); }
@media (max-width: 640px) { nav .links { display: none; } .panel { padding: 4px 20px 22px; } .cards { grid-template-columns: 1fr; } }