:root {
  --shell: #EAE6DE;
  --paper: #FAF8F4;
  --ink: #2C2B31;
  --ink-soft: #514C46;
  --ink-muted: rgba(44, 43, 49, 0.55);
  --accent: #3F4C9A;
  --accent-deep: #35408A;
  --accent-soft: #E6E8F4;
  --terracotta: #B4553A;
  --hairline: rgba(44, 43, 49, 0.1);
  --shadow: rgba(30, 28, 40, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --shell: #1C1B22;
    --paper: #232229;
    --ink: #F0EEE8;
    --ink-soft: #C9C5BC;
    --ink-muted: rgba(240, 238, 232, 0.6);
    --accent: #8B96E0;
    --accent-deep: #A2ACEA;
    --accent-soft: #2C2E45;
    --terracotta: #E0947F;
    --hairline: rgba(240, 238, 232, 0.12);
    --shadow: rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--shell);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 17px;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  padding: 20px 0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.brand-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  box-shadow: 0 1px 2px var(--shadow);
}

.site-nav {
  display: flex;
  gap: 22px;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--accent);
}

.site-nav a.current {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

main.wrap {
  padding-top: 8px;
  padding-bottom: 56px;
}

.page {
  background: var(--paper);
  border-radius: 16px;
  border-left: 4px solid var(--terracotta);
  box-shadow: 0 1px 3px var(--shadow), 0 8px 24px var(--shadow);
  padding: 40px 44px 48px;
}

@media (max-width: 600px) {
  .page { padding: 28px 22px 36px; border-radius: 12px; }
  body { font-size: 16px; }
}

.page h1 {
  margin-top: 0;
  font-size: 30px;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page h2 {
  font-size: 21px;
  margin-top: 2.1em;
  margin-bottom: 0.6em;
  color: var(--ink);
  border-top: 1px solid var(--hairline);
  padding-top: 1.1em;
}

.page h3 {
  font-size: 17px;
  margin-top: 1.6em;
  margin-bottom: 0.5em;
}

.page p, .page li {
  color: var(--ink-soft);
}

.page em:first-of-type {
  display: block;
  color: var(--ink-muted);
  font-size: 14px;
  margin-bottom: 1.6em;
}

.page a {
  color: var(--accent);
  text-decoration-color: var(--accent-soft);
  text-underline-offset: 2px;
}

.page a:hover {
  color: var(--accent-deep);
}

.page strong {
  color: var(--ink);
}

.page ul, .page ol {
  padding-left: 1.3em;
}

.page li + li {
  margin-top: 0.4em;
}

.index-hero {
  text-align: left;
  padding-bottom: 8px;
}

.index-hero p.lede {
  font-size: 18px;
  color: var(--ink-soft);
}

.doc-cards {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.doc-card {
  display: block;
  padding: 18px 20px;
  border-radius: 12px;
  background: var(--accent-soft);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.12s ease;
}

.doc-card:hover {
  transform: translateY(-1px);
}

.doc-card .doc-title {
  display: block;
  font-weight: 700;
  color: var(--accent-deep);
  font-size: 17px;
  margin-bottom: 4px;
}

.doc-card .doc-desc {
  display: block;
  color: var(--ink-soft);
  font-size: 15px;
}

.site-footer {
  padding: 28px 0 48px;
  color: var(--ink-muted);
  font-size: 14px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid var(--hairline);
  padding-top: 20px;
}

.site-footer a {
  color: var(--ink-soft);
}