.deepdoc-hero {
  padding-top: clamp(52px, 8vw, 88px);
  padding-bottom: clamp(48px, 7vw, 78px);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 34px 34px;
}

.deepdoc-hero__copy {
  max-width: 920px;
  margin-inline: auto;
  text-align: center;
}

.deepdoc-hero h1 {
  max-width: 820px;
  margin: 20px auto 16px;
  font-size: clamp(34px, 4vw, 48px);
}

.deepdoc-hero__lede {
  max-width: 780px;
  margin: 0 auto;
  color: var(--color-muted);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.75;
}

.deepdoc-hero__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
}

.deepdoc-facts {
  margin-top: 42px;
  text-align: left;
  box-shadow: var(--shadow-frame);
}

.deepdoc-shell {
  max-width: calc(1020px + var(--gutter) * 2);
}

.deepdoc-shell .toc-tabs {
  scroll-margin-top: calc(var(--header-height) + 12px);
}

.deepdoc-article {
  max-width: 860px;
  margin-inline: auto;
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  box-shadow: var(--shadow-frame);
}

.deepdoc-intro {
  margin-bottom: 42px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.deepdoc-article h2 {
  padding-top: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.deepdoc-article h3 {
  color: var(--color-text);
  font-size: clamp(19px, 2vw, 22px);
}

.deepdoc-article p,
.deepdoc-article li {
  line-height: 1.9;
}

.deepdoc-article .table-wrap {
  margin-top: 28px;
  margin-bottom: 34px;
}

.deepdoc-article .data-table {
  font-size: 14px;
  line-height: 1.65;
}

.deepdoc-article pre {
  margin-top: 22px;
  margin-bottom: 24px;
}

.deepdoc-article .callout {
  margin-top: 28px;
  margin-bottom: 30px;
}

@media (max-width: 768px) {
  .deepdoc-hero h1 {
    font-size: clamp(26px, 7vw, 30px);
  }

  .deepdoc-facts {
    margin-top: 32px;
  }

  .deepdoc-article {
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .deepdoc-hero__links {
    align-items: stretch;
  }

  .deepdoc-hero__links .button {
    flex: 1 1 150px;
  }

  .deepdoc-article {
    padding: 20px 16px;
  }

  .deepdoc-intro {
    padding: 18px;
  }

  .deepdoc-article p,
  .deepdoc-article li {
    line-height: 1.82;
  }
}