.doc-article {
  overflow-x: clip;
}

.doc-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: clamp(36px, 7vw, 96px);
  align-items: end;
  padding-top: clamp(72px, 9vw, 122px);
  padding-bottom: clamp(58px, 8vw, 104px);
}

.doc-hero-copy {
  max-width: 880px;
}

.doc-hero h1 {
  max-width: 760px;
  margin-top: 24px;
}

.doc-lead {
  max-width: 760px;
  margin-top: 28px;
  color: var(--color-muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.8;
}

.doc-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.doc-relation {
  max-width: 760px;
  margin-top: 28px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.doc-relation a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 4px;
}

.doc-index-card {
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}

.doc-index-code,
.section-code {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.09em;
}

.doc-index-card h2 {
  margin-top: 18px;
  font-size: 28px;
}

.doc-index-card > p {
  margin-top: 18px;
  color: var(--color-muted);
  font-size: 14px;
}

.doc-index-card dl {
  margin: 28px 0 0;
}

.doc-index-card dl div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
}

.doc-index-card dt {
  color: var(--color-text);
  font-size: 13px;
  font-weight: 500;
}

.doc-index-card dd {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.doc-flow {
  position: relative;
}

.doc-flow > .toc-tabs {
  top: 8px;
  margin-bottom: 54px;
}

.doc-layout {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, var(--reading-max));
  justify-content: center;
  gap: clamp(34px, 6vw, 88px);
  align-items: start;
}

.doc-side-note {
  position: sticky;
  top: calc(var(--toc-offset) + 28px);
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.doc-side-note p {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 13px;
}

.doc-side-note a {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 500;
}

.doc-prose {
  min-width: 0;
}

.doc-section {
  padding-top: 38px;
  padding-bottom: 86px;
  border-top: 1px solid var(--color-border);
}

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

.doc-section h2 {
  margin-top: 17px;
  margin-bottom: 34px;
  font-size: clamp(32px, 4vw, 48px);
}

.doc-section h3 {
  margin-top: 44px;
  margin-bottom: 16px;
  font-size: clamp(21px, 2.2vw, 27px);
}

.doc-section p,
.doc-section li {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.95;
}

.doc-section p + p {
  margin-top: 16px;
}

.doc-section a {
  color: var(--color-text);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 4px;
}

.doc-section .table-scroll {
  margin-top: 32px;
  margin-bottom: 36px;
}

.doc-section .callout {
  margin-top: 32px;
  margin-bottom: 32px;
  line-height: 1.85;
}

.doc-section pre {
  margin-top: 28px;
  margin-bottom: 30px;
  border: 1px solid var(--color-border);
  background: var(--color-panel-strong);
  color: var(--color-text);
  font-size: 13px;
}

.diagnostic-sequence {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  margin-bottom: 38px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-border);
}

.diagnostic-sequence div {
  padding: 24px;
  background: var(--color-panel);
}

.diagnostic-sequence span {
  display: block;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.diagnostic-sequence strong {
  display: block;
  margin-top: 12px;
  color: var(--color-text);
  font-size: 17px;
}

.diagnostic-sequence p {
  margin-top: 10px;
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.75;
}

@media (max-width: 980px) {
  .doc-hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .doc-index-card {
    max-width: 680px;
  }

  .doc-layout {
    grid-template-columns: 1fr;
  }

  .doc-side-note {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px 24px;
    align-items: start;
  }

  .doc-side-note .doc-index-code {
    grid-column: 1 / -1;
  }

  .doc-side-note p {
    margin-bottom: 0;
  }
}

@media (max-width: 768px) {
  .doc-hero {
    padding-top: 54px;
    padding-bottom: 62px;
  }

  .doc-lead {
    font-size: 17px;
  }

  .doc-flow > .toc-tabs {
    top: 6px;
    margin-bottom: 42px;
  }

  .doc-section {
    padding-top: 30px;
    padding-bottom: 70px;
  }

  .doc-section h2 {
    margin-bottom: 28px;
  }

  .doc-section h3 {
    margin-top: 36px;
  }

  .doc-section p,
  .doc-section li {
    font-size: 15.5px;
    line-height: 1.9;
  }
}

@media (max-width: 640px) {
  .doc-index-card {
    padding: 22px;
  }

  .doc-index-card dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .doc-side-note {
    grid-template-columns: 1fr;
  }

  .diagnostic-sequence {
    grid-template-columns: 1fr;
  }

  .doc-section .callout {
    padding: 18px;
  }
}