/*
 * MapleLMS Trust Center - shared stylesheet
 * Palette: primary #00AEEF (hover #008FC7), accent #F7941D, headings #1A1A1A, page #FFFFFF.
 * Text links use a darker tint of the primary (#006E99) because #00AEEF on white is below
 * WCAG AA contrast for text; button labels use #1A1A1A on the primary for the same reason.
 */

:root {
  --primary: #00AEEF;
  --primary-hover: #008FC7;
  --accent: #F7941D;
  --heading: #1A1A1A;
  --bg: #FFFFFF;

  --text: #2B3340;
  --muted: #5B6573;
  --line: #E3E7EC;
  --line-strong: #CBD2DA;
  --surface: #F6F8FA;
  --link: #006E99;
  --link-hover: #00506F;

  --ok: #1B6B44;
  --ok-bg: #EAF6EF;
  --warn: #8A5300;
  --warn-bg: #FFF5E6;
  --err: #A7261B;
  --err-bg: #FDEEEC;
  --info-bg: #E8F6FD;

  --radius: 6px;
  --container: 1080px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

h1, h2, h3 { color: var(--heading); line-height: 1.25; margin: 0; font-weight: 700; }
h1 { font-size: 2.25rem; letter-spacing: -0.01em; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.0625rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin: 0.35em 0; }
strong, b { color: var(--heading); font-weight: 600; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--surface); padding: 0.1em 0.35em; border-radius: 3px; }
pre { font-family: var(--mono); font-size: 0.875rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; overflow: auto; max-height: 460px; }

a { color: var(--link); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--link-hover); }

:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--heading); color: #fff; padding: 8px 14px; border-radius: var(--radius); z-index: 100;
}
.skip-link:focus { left: 8px; color: #fff; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.js-hidden { display: none; }

/* ---------- Header / navigation ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 16px 32px; flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px; }

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--heading); }
.brand:hover { color: var(--heading); }
.brand-mark { width: 12px; height: 28px; background: var(--accent); border-radius: 2px; flex: none; }
.brand-name { font-size: 1.125rem; font-weight: 700; letter-spacing: -0.01em; }
.brand-sub { font-size: 0.8125rem; color: var(--muted); font-weight: 500; border-left: 1px solid var(--line-strong); padding-left: 10px; margin-left: 2px; }

.site-nav { display: flex; align-items: center; gap: 4px 22px; flex-wrap: wrap; }
.site-nav a { color: var(--text); text-decoration: none; font-size: 0.9375rem; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--heading); border-bottom-color: var(--line-strong); }
.site-nav a[aria-current="page"] { color: var(--heading); border-bottom-color: var(--accent); }
.site-nav .btn { margin-left: 6px; border-bottom: 1px solid transparent; padding: 8px 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; font: inherit; font-size: 0.9375rem; font-weight: 600; line-height: 1.2;
  padding: 11px 20px; border-radius: var(--radius); border: 1px solid var(--primary);
  background: var(--primary); color: var(--heading); text-decoration: none; cursor: pointer;
  transition: background-color .12s ease, border-color .12s ease;
}
.btn:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: var(--heading); }
.btn-secondary { background: var(--bg); color: var(--heading); border-color: var(--line-strong); }
.btn-secondary:hover { background: var(--surface); border-color: var(--heading); color: var(--heading); }
.btn.ghost { background: var(--bg); color: var(--heading); border-color: var(--line-strong); }
.btn.ghost:hover { background: var(--surface); border-color: var(--heading); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

/* ---------- Page header ---------- */
.hero { padding: 64px 0 48px; border-bottom: 1px solid var(--line); }
.eyebrow { display: flex; align-items: center; gap: 10px; font-size: 0.8125rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--accent); }
.hero .lead { max-width: 680px; margin-top: 16px; font-size: 1.125rem; color: var(--text); }
.hero .btn-row { margin-top: 28px; }

.page-header { padding: 40px 0 28px; border-bottom: 1px solid var(--line); }
.page-header .lead { max-width: 720px; margin: 12px 0 0; color: var(--muted); font-size: 1.0625rem; }
.crumbs { font-size: 0.875rem; margin-bottom: 14px; color: var(--muted); }
.crumbs a { color: var(--link); }
.crumbs span[aria-hidden] { margin: 0 6px; color: var(--line-strong); }

/* ---------- Sections ---------- */
main { display: block; }
.section { padding: 40px 0; border-bottom: 1px solid var(--line); }
.section:last-of-type { border-bottom: none; }
.section.alt { background: var(--surface); }
.section-head { margin-bottom: 20px; }
.section-head h2::after { content: ""; display: block; width: 32px; height: 3px; background: var(--accent); margin-top: 10px; }
.section-head p { margin: 12px 0 0; color: var(--muted); max-width: 720px; }

.prose { max-width: 760px; }
.prose h3 { margin: 24px 0 6px; }

/* ---------- Definition table ---------- */
.facts { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.facts > div { display: grid; grid-template-columns: 220px 1fr; gap: 4px 24px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.facts > div:last-child { border-bottom: none; }
.facts dt { color: var(--muted); font-weight: 600; font-size: 0.9375rem; }
.facts dd { margin: 0; color: var(--text); }

/* ---------- Document list ---------- */
.doc-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.doc-list li { margin: 0; display: flex; align-items: center; gap: 24px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.doc-list li:last-child { border-bottom: none; }
.doc-body { flex: 1; min-width: 0; }
.doc-title { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 10px; font-weight: 600; color: var(--heading); }
.doc-desc { margin: 4px 0 0; color: var(--muted); font-size: 0.9375rem; }
.doc-action { flex: none; }

.badge { display: inline-block; font-size: 0.6875rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 2px 8px; border-radius: 3px; border: 1px solid; line-height: 1.5; }
.badge-public { color: var(--ok); background: var(--ok-bg); border-color: #BFE3CE; }
.badge-restricted { color: var(--warn); background: var(--warn-bg); border-color: #F2D3A3; }
.badge-format { color: var(--muted); background: var(--surface); border-color: var(--line-strong); }

/* ---------- Link tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.tile { display: block; text-decoration: none; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-top: 3px solid var(--line); border-radius: var(--radius); padding: 20px; }
.tile:hover { border-top-color: var(--primary); color: var(--text); }
.tile .tile-title { display: block; font-weight: 700; color: var(--heading); margin-bottom: 4px; }
.tile .tile-desc { display: block; color: var(--muted); font-size: 0.9375rem; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; background: var(--bg); font-size: 0.9375rem; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: var(--surface); color: var(--heading); font-weight: 600; border-bottom: 1px solid var(--line-strong); }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: none; }
tbody th { color: var(--heading); font-weight: 600; width: 220px; }
td.center, th.center { text-align: center; }

.status { display: inline-block; font-size: 0.8125rem; font-weight: 600; padding: 2px 10px; border-radius: 999px; border: 1px solid; white-space: nowrap; }
.status.ok { color: var(--ok); background: var(--ok-bg); border-color: #BFE3CE; }
.status.wip { color: var(--warn); background: var(--warn-bg); border-color: #F2D3A3; }

/* ---------- Notices ---------- */
.notice { border: 1px solid; border-left-width: 4px; border-radius: var(--radius); padding: 12px 16px; margin: 16px 0; font-size: 0.9375rem; }
.notice-info { background: var(--info-bg); border-color: var(--primary); color: var(--heading); }
.notice-warn, .warn { background: var(--warn-bg); border-color: var(--accent); color: var(--heading); }
.state { border: 1px solid; border-left-width: 4px; border-radius: var(--radius); padding: 12px 16px; margin: 16px 0; font-size: 0.9375rem; background: var(--surface); border-color: var(--line-strong); color: var(--heading); }
.state.ok { background: var(--ok-bg); border-color: var(--ok); }
.state.pending { background: var(--warn-bg); border-color: var(--accent); }
.state.denied, .state.err { background: var(--err-bg); border-color: var(--err); }
.req-doc { background: var(--info-bg); border: 1px solid var(--primary); border-radius: var(--radius); padding: 10px 14px; margin-bottom: 20px; font-size: 0.9375rem; }

/* ---------- Forms ---------- */
.form { max-width: 640px; }
.form label { display: block; font-weight: 600; color: var(--heading); margin: 20px 0 6px; font-size: 0.9375rem; }
.form input[type="text"], .form textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 10px 12px;
}
.form textarea { min-height: 110px; resize: vertical; }
.form input[type="text"]:focus, .form textarea:focus { border-color: var(--link); outline: 3px solid rgba(0,110,153,.25); outline-offset: 0; }
.form .hint { color: var(--muted); font-size: 0.875rem; margin: 6px 0 0; }
.form label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin-top: 24px; }
.form label.check input { margin-top: 4px; width: 18px; height: 18px; flex: none; }
.form .btn { margin-top: 24px; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0 0 1em; }
.steps li { counter-increment: step; position: relative; padding-left: 40px; margin: 14px 0; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 50%; background: var(--surface); border: 1px solid var(--line-strong); color: var(--heading); font-weight: 700; font-size: 0.8125rem; display: flex; align-items: center; justify-content: center; }

.docbtns { display: flex; flex-wrap: wrap; gap: 12px; margin: 4px 0 8px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); margin-top: 0; }
.site-footer .container { padding-top: 36px; padding-bottom: 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer-grid h2 { font-size: 0.8125rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 6px 0; font-size: 0.9375rem; }
.footer-grid p { font-size: 0.9375rem; color: var(--muted); margin: 0 0 8px; }
.footer-legal { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 0.8125rem; color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  h1 { font-size: 1.75rem; }
  .hero { padding: 40px 0 32px; }
  .facts > div { grid-template-columns: 1fr; padding: 12px 16px; }
  .doc-list li { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
  tbody th { width: auto; }
  .site-nav .btn { margin-left: 0; }
}

@media print {
  .site-header, .site-footer, .skip-link, .btn-row { display: none; }
  body { color: #000; }
  a { color: #000; text-decoration: none; }
}

/* ---------- FAQ accordion ---------- */
.faq-group { margin: 32px 0 10px; }
.faq-group:first-child { margin-top: 0; }
.faq { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:last-child { border-bottom: none; }
.faq summary { cursor: pointer; list-style: none; padding: 16px 48px 16px 20px; font-weight: 600; color: var(--heading); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 1.25rem; color: var(--primary); }
.faq details[open] summary::after { content: "\2212"; }
.faq summary:hover { background: var(--surface); }
.faq summary:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; }
.faq .answer { padding: 0 20px 18px; color: var(--text); }
.faq .answer p { margin: 0 0 10px; }
.faq .answer p:last-child { margin-bottom: 0; }

/* ---------- Commitments list ---------- */
.commit-list { margin: 0 0 24px; padding-left: 20px; max-width: 760px; }
.commit-list li { margin: 8px 0; }