.deepdoc-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-paper);
}

.deepdoc-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 10px;
  background: var(--color-ink);
  content: "";
}

.deepdoc-hero-inner {
  padding-top: 82px;
  padding-bottom: 76px;
}

.deepdoc-hero h1 {
  max-width: 820px;
}

.deepdoc-hero .lead {
  max-width: 840px;
}

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

.deepdoc-relation {
  max-width: 850px;
  margin-top: 28px;
  margin-bottom: 0;
  border-left: 2px solid var(--color-accent);
  padding-left: 20px;
  color: var(--color-muted);
  font-size: 14px;
}

.deepdoc-layout {
  padding-top: 34px;
  padding-bottom: var(--section-space);
}

.deepdoc-layout > .toc-tabs {
  margin-bottom: 58px;
}

.deepdoc-article {
  width: 100%;
  max-width: var(--reading-width);
  margin-inline: auto;
}

.deepdoc-section {
  padding-top: 24px;
  padding-bottom: 66px;
  border-bottom: 1px solid var(--color-line);
}

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

.deepdoc-section:last-of-type {
  border-bottom: 0;
}

.deepdoc-section h2 {
  margin-top: 0;
}

.deepdoc-section h3 {
  margin-top: 42px;
}

.deepdoc-section p + p {
  margin-top: 0;
}

.deepdoc-section .callout,
.deepdoc-section .table-scroll,
.deepdoc-section pre {
  margin-top: 30px;
  margin-bottom: 34px;
}

.section-mark {
  margin-bottom: 10px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
}

.deepdoc-article .data-table {
  line-height: 1.65;
}

.deepdoc-article pre {
  border-color: var(--color-line-dark);
  box-shadow: var(--shadow-card);
}

.deepdoc-promo {
  margin-top: 38px;
}

.deepdoc-promo h3 {
  margin-top: 0;
}

@media (max-width: 860px) {
  .deepdoc-hero-inner {
    padding-top: 62px;
    padding-bottom: 58px;
  }

  .deepdoc-layout {
    padding-top: 24px;
  }

  .deepdoc-layout > .toc-tabs {
    margin-bottom: 42px;
  }

  .deepdoc-section {
    padding-bottom: 54px;
  }
}

@media (max-width: 640px) {
  .deepdoc-hero-inner {
    padding-top: 46px;
    padding-bottom: 48px;
  }

  .deepdoc-fact-row {
    display: grid;
  }

  .deepdoc-fact-row .pill {
    width: 100%;
    justify-content: center;
  }

  .deepdoc-relation {
    padding-left: 15px;
  }

  .deepdoc-layout {
    padding-top: 18px;
  }

  .deepdoc-layout > .toc-tabs {
    margin-bottom: 34px;
  }

  .deepdoc-section {
    padding-top: 18px;
    padding-bottom: 44px;
  }

  .deepdoc-section h3 {
    margin-top: 34px;
  }

  .deepdoc-section .callout,
  .deepdoc-section .table-scroll,
  .deepdoc-section pre {
    margin-top: 24px;
    margin-bottom: 28px;
  }
}