:root {
  color-scheme: light;
  --bg: #f3f0e8;
  --surface: rgba(255, 252, 245, 0.92);
  --surface-strong: #fffaf0;
  --text: #1f1b16;
  --muted: #655a4d;
  --line: rgba(80, 62, 39, 0.14);
  --accent: #b15d20;
  --accent-strong: #8f4515;
  --shadow: 0 18px 48px rgba(78, 54, 26, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --max-width: 860px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(255, 212, 160, 0.52), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 236, 194, 0.54), transparent 28%),
    linear-gradient(180deg, #fcf7ed 0%, var(--bg) 100%);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
}

body {
  line-height: 1.65;
}

a {
  color: var(--accent-strong);
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero,
.doc-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
}

.hero {
  padding: 40px 32px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
  margin-bottom: 14px;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  margin-bottom: 12px;
}

h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.lead {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.card-link {
  display: block;
  text-decoration: none;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  box-shadow: var(--shadow);
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.card-link:hover,
.card-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(177, 93, 32, 0.35);
  box-shadow: 0 20px 44px rgba(78, 54, 26, 0.16);
}

.card-link p {
  margin: 8px 0 0;
  color: var(--muted);
}

.doc-panel {
  padding: 32px 28px;
}

.meta {
  margin: 0 0 24px;
  color: var(--muted);
}

.doc-section + .doc-section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.doc-section p,
.doc-section ul,
.doc-section ol {
  margin: 0 0 14px;
}

.doc-section ul,
.doc-section ol {
  padding-left: 22px;
}

.top-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.top-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.88);
  text-decoration: none;
}

.inline-code {
  padding: 1px 6px;
  border-radius: 999px;
  background: rgba(177, 93, 32, 0.09);
  font-family: "Courier New", monospace;
  font-size: 0.95em;
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding: 24px 0 48px;
  }

  .hero,
  .doc-panel {
    padding: 24px 18px;
  }
}