.deepdoc-hero {
  border-bottom: 1px solid var(--color-line);
}

.deepdoc-hero h1 {
  max-width: 780px;
  margin-top: 20px;
  font-size: clamp(34px, 3.3vw, 48px);
}

.deepdoc-hero .lede {
  max-width: 780px;
}

.doc-relations {
  margin-top: 28px;
  border-left: 4px solid var(--color-accent);
  padding-left: 18px;
  color: var(--color-ink-muted);
}

.doc-relations p {
  margin-bottom: 0;
}

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

.toc-section {
  padding-bottom: clamp(40px, 6vw, 72px);
}

.toc-section .eyebrow {
  margin-left: 8px;
}

.diagnostic-order {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.diagnostic-order > div {
  min-width: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 20px;
  background: var(--color-panel);
  color: var(--color-ink);
}

.diagnostic-order strong {
  display: block;
  margin: 10px 0 5px;
}

.diagnostic-order p {
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 0.9rem;
}

.diagnostic-number {
  color: var(--color-accent-deep);
  font: 800 0.76rem var(--font-mono);
}

.deepdoc-body {
  padding-top: clamp(36px, 6vw, 76px);
}

.doc-chapter {
  scroll-margin-top: 24px;
  padding-top: clamp(56px, 8vw, 96px);
  padding-bottom: clamp(56px, 8vw, 96px);
  border-top: 1px solid var(--color-line);
}

.doc-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.chapter-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.chapter-heading h2 {
  margin-bottom: 0;
}

.doc-chapter h3 {
  margin-top: 2.25em;
}

.doc-chapter .callout {
  margin-top: 30px;
}

.doc-chapter .table-scroll {
  margin-top: 28px;
  margin-bottom: 28px;
}

.doc-chapter pre {
  margin-top: 24px;
  margin-bottom: 24px;
}

.next-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
}

.next-actions h2 {
  max-width: 620px;
}

.next-actions p:last-child {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.next-actions .button-row {
  justify-content: flex-end;
}

@media (max-width: 760px) {
  .deepdoc-hero h1 {
    font-size: clamp(24px, 7.6vw, 30px);
  }

  .diagnostic-order,
  .next-actions {
    grid-template-columns: 1fr;
  }

  .diagnostic-order {
    gap: 10px;
  }

  .next-actions .button-row {
    justify-content: stretch;
  }

  .doc-chapter {
    scroll-margin-top: 12px;
  }
}