:root {
  --font-display: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Times New Roman', Times, serif;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-heavy: 700;
  --type-h1-size: clamp(36px, 6vw, 64px);
  --type-h2-size: clamp(30px, 4vw, 42px);
  --type-h3-size: clamp(24px, 3vw, 32px);
  --type-body-size: 16px;
  --type-body-large-size: clamp(18px, 2.2vw, 23px);
  --type-small-size: 12px;
  --line-h1: 1.06;
  --line-h2: 1.12;
  --line-h3: 1.2;
  --line-body: 1.6;
  --line-small: 1.4;
  --torch: #d4750b;
  --ink: #1a1714;
  --paper: #faf7f2;
  --paper-aged: #f0ebe1;
  --rule: #c9c1b3;
  --rule-light: #e2ddd4;
  --text: #2c2824;
  --text-secondary: #6b6359;
  --text-primary: #111827;
  --brand-primary: #e26313;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: var(--type-body-size);
  font-weight: var(--weight-regular);
  line-height: var(--line-body);
  background: var(--paper);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

body,
p,
a,
span,
li,
small,
label,
input,
textarea,
button {
  font-family: var(--font-body);
}

a { color: inherit; }

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--ink);
}

h1 {
  font-size: var(--type-h1-size);
  font-weight: var(--weight-heavy);
  line-height: var(--line-h1);
}

h2,
h3 {
  font-weight: var(--weight-medium);
}

h2 {
  font-size: var(--type-h2-size);
  line-height: var(--line-h2);
}

h3 {
  font-size: var(--type-h3-size);
  line-height: var(--line-h3);
}

p {
  font-family: var(--font-body);
  font-size: var(--type-body-size);
  font-weight: var(--weight-regular);
  line-height: var(--line-body);
}

.page-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 96px 28px 80px;
}

.crumbs {
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: var(--type-small-size);
  color: var(--text-secondary);
  line-height: var(--line-small);
}

.crumbs a {
  text-decoration: none;
}

.crumbs a:hover {
  color: var(--ink);
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: var(--type-small-size);
  font-weight: var(--weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--torch);
  margin-bottom: 10px;
}

h1 {
  margin: 0 0 10px;
  font-size: var(--type-h1-size);
  line-height: var(--line-h1);
  font-weight: var(--weight-heavy);
}

.hero-subline {
  margin: 0;
  max-width: 820px;
  font-size: var(--type-body-large-size);
  line-height: var(--line-body);
  color: #211b15;
  font-weight: var(--weight-regular);
}

.topic-grid,
.term-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.topic-card,
.term-card {
  border: 1px solid var(--rule-light);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(247, 242, 233, 0.94));
  padding: 18px;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(26, 23, 20, 0.05);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.topic-card:hover,
.term-card:hover {
  border-color: rgba(212, 117, 11, 0.36);
  box-shadow: 0 10px 22px rgba(26, 23, 20, 0.08);
  transform: translateY(-1px);
}

.topic-card h2,
.term-card h2 {
  margin: 0 0 8px;
  font-size: var(--type-h3-size);
  line-height: var(--line-h3);
  color: var(--ink);
  font-weight: var(--weight-medium);
}

.topic-card p,
.term-card p {
  margin: 0;
  color: var(--text-secondary);
  line-height: var(--line-body);
  font-size: var(--type-body-size);
}

.topic-chip-row {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topic-chip {
  border: 1px solid rgba(212, 117, 11, 0.32);
  background: rgba(255, 251, 244, 0.9);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: var(--type-small-size);
  font-family: var(--font-body);
  color: #8a4c0b;
  text-decoration: none;
  font-weight: var(--weight-medium);
  line-height: var(--line-small);
}

.topic-chip:hover {
  border-color: rgba(212, 117, 11, 0.48);
}

.term-article {
  margin-top: 24px;
}

.section-card {
  border: 1px solid var(--rule-light);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  padding: 18px 18px 16px;
  margin-bottom: 12px;
}

.section-card h2 {
  margin: 0 0 10px;
  font-size: var(--type-h3-size);
  line-height: var(--line-h3);
  color: var(--ink);
  font-weight: var(--weight-medium);
}

.section-card p {
  margin: 0 0 12px;
  line-height: var(--line-body);
  color: var(--text);
  font-size: var(--type-body-size);
}

.section-card p:last-child {
  margin-bottom: 0;
}

.go-deeper {
  border: 1px solid rgba(212, 117, 11, 0.32);
  border-radius: 14px;
  background: rgba(255, 251, 244, 0.92);
  padding: 18px;
}

.go-deeper h2 {
  margin: 0 0 10px;
  font-size: var(--type-h3-size);
  line-height: var(--line-h3);
  font-weight: var(--weight-medium);
  color: var(--ink);
}

.go-deeper p {
  margin: 0 0 12px;
  line-height: var(--line-body);
  color: #2f261d;
  font-size: var(--type-body-size);
}

.go-deeper p:last-child {
  margin-bottom: 0;
}

.atlas-cta {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  padding: 10px 18px;
  font-size: var(--type-small-size);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: var(--weight-medium);
}

.site-footer {
  margin-top: 30px;
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  font-size: var(--type-small-size);
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

@media (max-width: 900px) {
  .topic-grid,
  .term-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-shell {
    padding: 22px 16px 56px;
    padding-top: 88px;
  }

  .topic-card h2,
  .term-card h2,
  .section-card h2,
  .go-deeper h2 {
    font-size: clamp(24px, 7vw, 28px);
  }

  .hero-subline {
    font-size: var(--type-body-size);
  }
}