/* Typography — Fraunces (serif) + Inter (sans) + JetBrains Mono (data) */

@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 300 900;
  font-display: block;
  src: url('../../assets/fonts/fraunces/Fraunces-VariableFont.ttf') format('truetype-variations');
}

@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 300 900;
  font-display: block;
  src: url('../../assets/fonts/fraunces/Fraunces-Italic-VariableFont.ttf') format('truetype-variations');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: block;
  src: url('../../assets/fonts/inter/Inter-VariableFont.ttf') format('truetype-variations');
}

@font-face {
  font-family: 'Inter';
  font-style: italic;
  font-weight: 100 900;
  font-display: block;
  src: url('../../assets/fonts/inter/Inter-Italic-VariableFont.ttf') format('truetype-variations');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: block;
  src: url('../../assets/fonts/jetbrains-mono/JetBrainsMono-VariableFont.ttf') format('truetype-variations');
}

:root {
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', monospace;
}

/* Base */
html { font-size: 11pt; }

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern', 'liga', 'onum';
}

/* Headings */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink);
  margin: 0;
  font-feature-settings: 'kern', 'liga', 'lnum', 'ss01';
}

h1.cover-title {
  font-size: 72pt;
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 600;
}

h1.chapter-title {
  font-size: 38pt;
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 600;
  margin-top: 14mm;
}

.chapter-number {
  font-family: var(--font-serif);
  font-size: 96pt;
  line-height: 1;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: -0.04em;
}

h2 {
  font-size: 22pt;
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 500;
  margin: 6mm 0 3mm;
}

/* h2 immediately at top of a content block: no top margin */
.flow > h2:first-child { margin-top: 0; }

h3 {
  font-size: 14pt;
  line-height: 1.3;
  font-weight: 500;
  margin: 5mm 0 2mm;
}

/* Body */
p {
  margin: 0 0 4mm 0;
  hyphens: auto;
  text-align: justify;
  text-justify: inter-word;
}

p.lead {
  font-family: var(--font-serif);
  font-size: 13pt;
  line-height: 1.4;
  font-weight: 400;
  font-style: italic;
  color: var(--ink-soft);
  margin-bottom: 4mm;
  text-align: left;
}

p:first-of-type::first-line { letter-spacing: 0.02em; }

strong { font-weight: 600; color: var(--ink); }
em { font-style: italic; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 0.5pt solid var(--accent-soft);
}

/* Numbers / data */
.num, .data, td.num, .price {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum';
  font-variant-numeric: tabular-nums;
}

/* Captions */
.caption {
  font-family: var(--font-sans);
  font-size: 9pt;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  font-style: italic;
}

/* Sidebar headings — small caps */
.sidebar-heading,
.smallcaps {
  font-family: var(--font-sans);
  font-size: 9pt;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Lists */
ul, ol {
  margin: 0 0 4mm 6mm;
  padding: 0;
}

ul li, ol li {
  margin: 0 0 2mm 0;
  line-height: 1.5;
}

ul {
  list-style: none;
  padding-left: 0;
}

ul li {
  position: relative;
  padding-left: 6mm;
}

ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2.2mm;
  width: 2mm;
  height: 0.6pt;
  background: var(--accent);
}

/* Blockquote */
blockquote {
  font-family: var(--font-serif);
  font-size: 18pt;
  line-height: 1.35;
  font-style: italic;
  color: var(--ink);
  margin: 8mm 6mm;
  padding-left: 6mm;
  border-left: 1.5pt solid var(--accent);
}

blockquote cite {
  display: block;
  margin-top: 4mm;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 10pt;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
}