/* PPL Canada: Ground Oral Prep — site styles */
/* Pure CSS, no fonts loaded externally, no tracking, no JS. */

:root {
  --bg: #F4F1E8;
  --card: #FFFFFF;
  --ink: #1A1F2A;
  --ink-muted: rgba(60, 60, 67, 0.62);
  --tint: #1B67CF;
  --tint-pressed: #155AB8;
  --border: rgba(60, 60, 67, 0.18);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1320;
    --card: #181F32;
    --ink: #ECEEF3;
    --ink-muted: #9AA2B5;
    --tint: #5198F0;
    --tint-pressed: #7AB3F5;
    --border: rgba(255, 255, 255, 0.10);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

header.site {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

header.site .eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--tint);
  font-weight: 600;
  margin-bottom: 8px;
}

header.site h1 {
  font: 700 28px/1.15 -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  letter-spacing: -0.4px;
  margin: 0 0 6px;
  color: var(--ink);
}

header.site .sub {
  color: var(--ink-muted);
  font-size: 15px;
  margin: 0;
}

nav.site {
  margin: 20px 0 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav.site a {
  color: var(--tint);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}

nav.site a:hover { color: var(--tint-pressed); text-decoration: underline; }
nav.site a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

main h2 {
  font: 600 13px/1 -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 32px 0 12px;
}

main h3 {
  font: 600 17px/1.3 -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  margin: 24px 0 8px;
  color: var(--ink);
}

main p, main li { color: var(--ink); }
main p { margin: 0 0 14px; }

main ul {
  margin: 0 0 18px;
  padding-left: 22px;
}
main li { margin: 0 0 6px; }

main a { color: var(--tint); text-decoration: underline; }
main a:hover { color: var(--tint-pressed); }

main code, main kbd {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 14px;
  background: rgba(60, 60, 67, 0.08);
  padding: 1px 6px;
  border-radius: 4px;
}

.note {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 16px 0;
  color: var(--ink-muted);
  font-size: 14px;
}

footer.site {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--ink-muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

footer.site a { color: var(--ink-muted); text-decoration: none; }
footer.site a:hover { color: var(--tint); }

@media (max-width: 480px) {
  .wrap { padding: 32px 18px 60px; }
  header.site h1 { font-size: 24px; }
}