/* Shared style for the About, Contact and Privacy pages. Same colours and fonts as the main site. */
:root {
  --bg: #f4f7fb; --surface: #ffffff; --ink: #0f2742; --muted: #5a6f86; --line: #dbe4ee;
  --blue: #1557a8; --blue-deep: #0b3d7a; --teal: #0f9b8e; --blue-soft: #e8f0fb;
  --font-display: "Lexend", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #0b1522; --surface: #122236; --ink: #e6eef8; --muted: #93a7be; --line: #23384f; --blue: #5aa2f0; --blue-deep: #0e2f55; --teal: #36c2b3; --blue-soft: #15304f; color-scheme: dark; }
}
:root[data-theme="dark"] { --bg: #0b1522; --surface: #122236; --ink: #e6eef8; --muted: #93a7be; --line: #23384f; --blue: #5aa2f0; --blue-deep: #0e2f55; --teal: #36c2b3; --blue-soft: #15304f; color-scheme: dark; }
:root[data-palette="emerald"] { --blue: #0f7a5c; --blue-deep: #064e3b; }
:root[data-palette="purple"] { --blue: #5b3cc4; --blue-deep: #2a1760; }
:root[data-palette="rose"] { --blue: #be185d; --blue-deep: #5c0f2e; }
:root[data-palette="graphite"] { --blue: #334e68; --blue-deep: #102a43; }
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 16.5px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--blue); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; border-radius: 6px; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 18px; }
.top { background: var(--blue-deep); color: #fff; }
.top .wrap { display: flex; align-items: center; gap: 12px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.brand img { width: 42px; height: 42px; border-radius: 11px; background: #f7f5f2; }
.top nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.top nav a { color: #cfe0f5; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 500; font-size: 15px; }
.top nav a:hover, .top nav a[aria-current="page"] { background: rgba(255,255,255,.12); color: #fff; }
@media (max-width: 560px) { .top nav a.hide-sm { display: none; } }
.page-head { background: var(--blue-deep); color: #fff; padding: 26px 0 34px; }
.page-head h1 { font-family: var(--font-display); font-size: clamp(28px, 5vw, 40px); line-height: 1.2; margin: 0; }
.page-head p { color: #c4d7ee; margin: 8px 0 0; max-width: 60ch; }
main.doc { max-width: 780px; margin: -18px auto 0; padding: 30px 26px 36px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; position: relative; }
@media (max-width: 820px) { main.doc { margin: -18px 14px 0; padding: 24px 18px 30px; } }
main.doc h2 { font-family: var(--font-display); font-size: 21px; line-height: 1.3; margin: 30px 0 8px; }
main.doc h2:first-child { margin-top: 0; }
main.doc h3 { font-family: var(--font-display); font-size: 17px; margin: 20px 0 4px; }
main.doc p, main.doc li { max-width: 68ch; }
main.doc ul { padding-left: 22px; }
main.doc li { margin: 4px 0; }
.note { background: var(--blue-soft); border-radius: 12px; padding: 14px 16px; font-size: 15px; }
.updated { color: var(--muted); font-size: 14px; }
.channels { display: grid; gap: 10px; margin: 14px 0; padding: 0; list-style: none; }
@media (min-width: 620px) { .channels { grid-template-columns: 1fr 1fr; } }
.channels a { display: flex; flex-direction: column; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--ink); }
.channels a:hover { border-color: var(--blue); }
.channels b { font-family: var(--font-display); }
.channels span { color: var(--muted); font-size: 14.5px; }
/* Note and article pages */
.crumbs { margin: 0 0 6px !important; font-size: 14px; }
.crumbs a { color: #c4d7ee; }
.badge { display: inline-block; background: rgba(255,255,255,.14); color: #fff; border-radius: 999px; padding: 2px 12px; font-size: 13.5px; font-weight: 500; margin: 4px 4px 0 0; }
.topics { columns: 2 240px; column-gap: 24px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0 16px; }
.btn { display: inline-flex; align-items: center; padding: 10px 18px; border-radius: 10px; border: 1px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; }
.btn:hover { border-color: var(--blue); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-deep); }
.embed { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
.embed iframe { display: block; width: 100%; height: min(75vh, 820px); border: 0; }
.cards { list-style: none; padding: 0 !important; display: grid; gap: 10px; }
@media (min-width: 620px) { .cards { grid-template-columns: 1fr 1fr; } }
.cards li { margin: 0; max-width: none; }
.cards a { display: flex; flex-direction: column; gap: 2px; height: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--ink); }
.cards a:hover { border-color: var(--blue); }
.cards b { font-family: var(--font-display); font-weight: 600; line-height: 1.35; }
.cards span { color: var(--muted); font-size: 14.5px; line-height: 1.5; }
footer { margin-top: 40px; border-top: 1px solid var(--line); background: var(--surface); }
footer .wrap { padding: 20px 18px; display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 14px; }
footer a { color: var(--ink); text-decoration: none; font-weight: 500; }
footer a:hover { color: var(--blue); }
footer span { margin-left: auto; }