.doc-intro {
  padding-top: clamp(54px, 7vw, 92px);
  padding-bottom: 42px;
}

.doc-intro__copy {
  max-width: 930px;
}

.doc-intro h1 {
  max-width: 920px;
  margin-bottom: 24px;
}

.doc-lead {
  max-width: 800px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 18px;
}

.doc-lead a {
  color: var(--color-accent-dark);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: var(--color-accent-wash);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

.doc-lead code {
  color: var(--color-accent-dark);
}

.doc-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.doc-fact-row span {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-size: 13px;
}

.doc-fact-row b {
  color: var(--color-text);
}

.doc-fact-row code {
  color: var(--color-accent-dark);
  overflow-wrap: anywhere;
}

.doc-toc {
  margin-top: 46px;
}

.doc-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  align-items: start;
  gap: clamp(32px, 5vw, 72px);
}

.doc-layout > * {
  min-width: 0;
}

.doc-side {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 16px;
}

.doc-side__card {
  min-width: 0;
  padding: 22px;
  border-radius: var(--radius-medium);
  background: var(--color-page);
  box-shadow: var(--shadow-soft);
}

.doc-side__card ol {
  margin: 18px 0 0;
  padding-left: 1.3em;
  color: var(--color-text-muted);
  font-size: 14px;
}

.doc-side__card p {
  margin: 16px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.doc-prose {
  max-width: 860px;
}

.doc-chapter {
  min-width: 0;
  scroll-margin-top: 24px;
}

.doc-chapter + .doc-chapter {
  margin-top: 96px;
  padding-top: 88px;
  border-top: 1px solid var(--color-line);
}

.doc-chapter__index {
  display: inline-flex;
  max-width: 100%;
  margin-bottom: 14px;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-wash);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
}

.doc-chapter h2 {
  margin-top: 0;
}

.doc-chapter h3 {
  margin-top: 42px;
}

.doc-chapter p {
  color: var(--color-text-muted);
}

.doc-chapter p code,
.doc-chapter td code {
  color: var(--color-accent-dark);
}

.doc-chapter pre {
  margin-top: 28px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-soft);
}

.doc-chapter .data-table-wrap {
  margin-top: 28px;
  margin-bottom: 32px;
  border-radius: var(--radius-medium);
  background: var(--color-page);
  box-shadow: var(--shadow-soft);
}

.doc-chapter .data-table {
  margin-bottom: 0;
}

.doc-chapter .data-table th:first-child {
  border-top-left-radius: var(--radius-medium);
}

.doc-chapter .data-table th:last-child {
  border-top-right-radius: var(--radius-medium);
}

.doc-chapter .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.doc-chapter a {
  overflow-wrap: anywhere;
}

.doc-prose .download-guide-card {
  max-width: none;
}

@media (max-width: 960px) {
  .doc-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .doc-side {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .doc-prose {
    max-width: var(--prose-width);
  }
}

@media (max-width: 640px) {
  .doc-intro {
    padding-top: 40px;
    padding-bottom: 28px;
  }

  .doc-lead {
    font-size: 16px;
  }

  .doc-fact-row {
    flex-direction: row;
    justify-content: flex-start;
  }

  .doc-toc {
    margin-top: 34px;
  }

  .doc-side {
    grid-template-columns: minmax(0, 1fr);
  }

  .doc-chapter + .doc-chapter {
    margin-top: 72px;
    padding-top: 68px;
  }

  .doc-chapter h3 {
    margin-top: 34px;
  }

  .doc-chapter pre {
    padding: 18px;
    font-size: 13px;
  }
}