/* Home UI · public course catalogue surface. */
:root {
  --home-bg: #f3f5f8;
  --home-surface: #ffffff;
  --home-surface-muted: #e9edf3;
  --home-ink: #15161a;
  --home-muted: #667085;
  --home-border: #dfe4ec;
  --home-primary: #1a5fd2;
  --home-primary-dark: #1758c8;
  --home-brand: #1758c8;
  --home-brand-soft: #e9edf3;
  --home-shadow: 0 22px 50px -32px rgb(15 18 26 / .34);
  --home-shadow-lg: 0 34px 78px -48px rgb(15 18 26 / .45);
  --home-font-ui: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --home-font-display: "IBM Plex Serif", Georgia, serif;
}

html.dark {
  --home-bg: #0f1218;
  --home-surface: #171b22;
  --home-surface-muted: #222832;
  --home-ink: #f5f7fb;
  --home-muted: #a8b0bf;
  --home-border: #303846;
  --home-primary: #67a1ff;
  --home-primary-dark: #9bc0ff;
  --home-brand: #9bc0ff;
  --home-brand-soft: #222832;
  --home-shadow: none;
  --home-shadow-lg: none;
}

html { background: var(--home-bg); }

body.home-page {
  margin: 0;
  min-width: 320px;
  background: var(--home-bg);
  color: var(--home-ink);
  font-family: var(--home-font-ui) !important;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

html.dark body.home-page {
  background: var(--home-bg);
}

body.home-page .wrap {
  width: min(100% - 36px, 1080px);
  max-width: none;
  margin: 0 auto;
  padding: clamp(26px, 5vw, 56px) 0 92px;
}

body.home-page .brandbar {
  min-height: 44px;
  margin-bottom: clamp(62px, 10vw, 120px);
}

body.home-page .brand,
body.home-page .brandbar nav a,
body.home-page .go,
body.home-page .meta span,
body.home-page .feature .ph,
body.home-page .soon .tag,
body.home-page .sectit,
body.home-page footer {
  font-family: var(--home-font-ui) !important;
}

body.home-page .brand {
  color: var(--home-ink);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .12em;
}

body.home-page .brand img { width: 36px; height: 36px; }
body.home-page .brand:hover { color: var(--home-brand); }
body.home-page .brandbar nav a { color: var(--home-muted); font-size: 11px; font-weight: 700; letter-spacing: .04em; }
body.home-page .brandbar nav a:hover { color: var(--home-primary-dark); border-color: #9dbdf7; }

body.home-page .eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 18px;
  color: var(--home-brand) !important;
  font-family: var(--home-font-ui) !important;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
}

body.home-page .eyebrow::before { width: 28px; height: 3px; border-radius: 6px; background: var(--home-primary); }

body.home-page h1,
body.home-page h2,
body.home-page h3 {
  color: var(--home-ink);
  font-family: var(--home-font-display) !important;
}

body.home-page h1 {
  max-width: 13ch;
  margin-bottom: 20px;
  font-size: clamp(2.6rem, 5.5vw, 4.4rem) !important;
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -.02em;
}

body.home-page h1 em { color: inherit !important; }
body.home-page .lede { max-width: 62ch; color: var(--home-muted) !important; font-family: var(--home-font-ui) !important; font-size: clamp(1rem, 1.8vw, 1.2rem); font-style: normal; line-height: 1.75; }
body.home-page .sectit { margin: 64px 0 16px; color: var(--home-muted) !important; font-size: 11px; font-weight: 800; letter-spacing: .16em; }
body.home-page .sectit::after { background: var(--home-border); }

body.home-page a.feature {
  padding: clamp(26px, 4vw, 40px);
  background: var(--home-surface);
  border: 1px solid var(--home-border);
  border-radius: 8px;
  box-shadow: var(--home-shadow-lg);
}

body.home-page a.feature::before { width: 4px; background: var(--home-primary); }
body.home-page a.feature:hover { border-color: var(--home-primary); }
body.home-page .feature .ph { color: var(--home-muted); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
body.home-page .feature h2 { margin: 11px 0 12px; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.02; letter-spacing: -.02em; }
body.home-page .feature h2 em { color: inherit; }
body.home-page .feature p { max-width: 65ch; color: var(--home-muted); font-family: var(--home-font-ui); font-size: 15px; }
body.home-page .meta { gap: 8px; margin-bottom: 24px; }
body.home-page .meta span { padding: 5px 12px; color: var(--home-muted); background: transparent; border: 1px solid var(--home-border); border-radius: 4px; font-size: 11px; font-weight: 600; }
body.home-page .meta span.hi { color: var(--home-primary-dark); border-color: var(--home-primary-dark); }
body.home-page .go { gap: 10px; padding: 12px 20px; color: #fff; background: var(--home-primary); border-radius: 6px; font-size: 13px; font-weight: 800; }
body.home-page a.feature:hover .go { background: var(--home-primary-dark); gap: 15px; }

html.dark body.home-page a.feature { background: var(--home-surface); }
html.dark body.home-page .go { color: #10131a; }
html.dark body.home-page .meta span { color: var(--home-muted); background: transparent; border-color: var(--home-border); }
html.dark body.home-page .meta span.hi { color: var(--home-primary-dark); border-color: var(--home-primary-dark); }
html.dark body.home-page .soon { background: rgb(23 27 34 / .78); border-color: #46505f; }
html.dark body.home-page .note { background: #1b2a40; border-color: #355f96; color: var(--home-ink); }
html.dark body.home-page .note b,
html.dark body.home-page .note a { color: #b9d3ff; }

body.home-page .grid { gap: 16px; }
body.home-page .soon { padding: 22px 24px; background: rgb(255 255 255 / .58); border: 1px dashed #cbd3df; border-radius: 8px; }
body.home-page .soon h3 { margin-bottom: 8px; color: var(--home-muted); font-size: 1.28rem; line-height: 1.12; }
body.home-page .soon p { color: var(--home-muted); font-family: var(--home-font-ui); font-size: 14px; }
body.home-page .soon .tag { color: var(--home-brand); background: var(--home-brand-soft); border-color: #d9c7ff; font-size: 10px; font-weight: 800; }
body.home-page .note { margin-top: 44px; padding: 18px 22px; background: #edf4ff; border: 1px solid #bed4ff; border-radius: 8px; box-shadow: none; color: var(--home-ink); font-family: var(--home-font-ui); font-size: 14px; }
body.home-page .note b { color: var(--home-primary-dark); }
body.home-page .note a { color: var(--home-primary-dark); }
body.home-page footer { margin-top: 64px; padding-top: 26px; border-top-color: var(--home-border); color: var(--home-muted); font-size: 12px; font-style: normal; }
body.home-page footer a { color: var(--home-primary-dark); }
body.home-page :focus-visible { outline: 3px solid #9bc0ff; outline-offset: 4px; border-radius: 4px; }

body.home-page .skip-link {
  position: absolute;
  left: 18px;
  top: 12px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 8px 12px;
  background: var(--home-ink);
  color: #fff;
  border-radius: 8px;
  font-family: var(--home-font-ui);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .18s ease;
}

body.home-page .skip-link:focus { transform: translateY(0); }

@media (max-width: 620px) {
  body.home-page .wrap { width: min(100% - 28px, 1080px); padding-top: 22px; }
  body.home-page .brandbar { margin-bottom: 72px; }
  body.home-page .brandbar nav { display: none; }
  body.home-page h1 { font-size: clamp(3rem, 15vw, 5.1rem) !important; }
  body.home-page a.feature { padding: 26px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  body.home-page *, body.home-page *::before, body.home-page *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}

@media print {
  body.home-page { background: #fff !important; }
  body.home-page a.feature { box-shadow: none; }
}