:root {
  --color-bg: #fafaf8;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #4a4a6a;
  --color-accent: #2c3e6b;
  --color-accent-light: #3d5a99;
  --color-gold: #b8860b;
  --color-gold-light: #daa520;
  --color-border: #e0ddd5;
  --color-border-light: #f0ede5;
  --color-code-bg: #f5f3ef;
  --color-highlight: #fffde7;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --max-width: 960px;
  --max-width-wide: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 17px; scroll-behavior: smooth; }

body {
  font-family: var(--font-serif);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
.container-wide { max-width: var(--max-width-wide); margin: 0 auto; padding: 0 2rem; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-accent) 0%, #1a2744 100%);
  color: #fff;
  padding: 4rem 0 3.5rem;
  border-bottom: 4px solid var(--color-gold);
}
.hero h1 {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.hero .subtitle {
  font-size: 1.15rem;
  opacity: 0.85;
  font-style: italic;
  max-width: 640px;
  line-height: 1.6;
}
.hero .epigraph {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  background: rgba(255,255,255,0.08);
  border-left: 3px solid var(--color-gold);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 600px;
}
.hero .epigraph .attribution {
  display: block;
  margin-top: 0.5rem;
  font-style: normal;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Navigation breadcrumb */
.breadcrumb {
  padding: 1rem 0;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-light);
}
.breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 0.5rem; opacity: 0.4; }

/* Section headings */
h2 {
  font-size: 1.6rem;
  color: var(--color-accent);
  margin: 3rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--color-border);
  letter-spacing: -0.01em;
}
h3 {
  font-size: 1.2rem;
  color: var(--color-text);
  margin: 2rem 0 0.75rem;
  font-weight: 600;
}
h4 {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 1.5rem 0 0.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-sans);
}

p { margin-bottom: 1rem; }

a { color: var(--color-accent-light); }
a:hover { color: var(--color-gold); }

strong { font-weight: 700; }
em { font-style: italic; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.92rem;
  line-height: 1.5;
}
thead {
  background: var(--color-accent);
  color: #fff;
}
thead th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
tbody td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}
tbody tr:hover { background: var(--color-highlight); }
tbody tr:nth-child(even) { background: rgba(0,0,0,0.015); }
tbody tr:nth-child(even):hover { background: var(--color-highlight); }

/* Highlight row */
tr.highlight td {
  background: #fff8e1;
  font-weight: 600;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  color: inherit;
}
.card .card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
}
.card .card-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}
.card .card-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}
.card .card-insight {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-text-secondary);
}

/* Blockquotes */
blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  background: var(--color-code-bg);
  border-left: 4px solid var(--color-gold);
  font-style: italic;
  color: var(--color-text-secondary);
}
blockquote strong {
  color: var(--color-text);
  font-style: normal;
}

/* Code */
code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--color-code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

/* Lists */
ul, ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}
li { margin-bottom: 0.4rem; }

/* Numbered axiom list */
.axiom-list {
  list-style: none;
  counter-reset: axiom;
  padding-left: 0;
}
.axiom-list li {
  counter-increment: axiom;
  padding: 0.75rem 0 0.75rem 2.5rem;
  position: relative;
  border-bottom: 1px solid var(--color-border-light);
}
.axiom-list li::before {
  content: counter(axiom) ".";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--color-gold);
  font-family: var(--font-mono);
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 2px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  html { font-size: 15px; }
  .hero { padding: 2.5rem 0 2rem; }
  .hero h1 { font-size: 1.8rem; }
  .card-grid { grid-template-columns: 1fr; }
  table { font-size: 0.82rem; }
  thead th, tbody td { padding: 0.5rem 0.6rem; }
}

@media print {
  .hero { background: none; color: var(--color-text); border-bottom: 2px solid #000; }
  .card { break-inside: avoid; border: 1px solid #ccc; }
  a { color: var(--color-text); text-decoration: underline; }
  .breadcrumb { display: none; }
}