:root {
  --deepdoc-hero-width: 920px;
  --deepdoc-rule-width: 68px;
  --deepdoc-code-size: 13px;
}

.deepdoc-hero {
  position: relative;
  overflow-x: clip;
  padding-top: clamp(72px, 10vw, 124px);
  padding-bottom: clamp(64px, 9vw, 108px);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 82% 18%, var(--color-hero-blue), var(--color-transparent) 34%),
    radial-gradient(circle at 14% 82%, var(--color-hero-mint), var(--color-transparent) 30%),
    var(--color-bg);
}

.deepdoc-hero::after {
  position: absolute;
  right: max(var(--gutter), calc((100vw - var(--deepdoc-hero-width)) / 2));
  bottom: 30px;
  width: var(--deepdoc-rule-width);
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.deepdoc-hero .reading-wrap {
  width: min(100%, calc(var(--deepdoc-hero-width) + var(--gutter) * 2));
}

.deepdoc-hero h1 {
  max-width: 18em;
  margin-bottom: 22px;
}

.deepdoc-lead {
  max-width: 48em;
  margin-bottom: 28px;
  color: var(--color-text-muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.8;
}

.deepdoc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.deepdoc-hero .fact-pills {
  margin-bottom: 0;
}

.deepdoc-reading {
  width: min(100%, calc(var(--reading-width) + var(--gutter) * 2));
}

.deepdoc-intro {
  margin-bottom: 52px;
}

.deepdoc-intro-title {
  margin-top: 0;
  font-size: clamp(24px, 3vw, 30px);
}

.deepdoc-intro p:last-child {
  margin-bottom: 0;
}

.deepdoc-reading .prose h2 {
  position: relative;
  padding-top: 10px;
}

.deepdoc-reading .prose h2::before {
  display: block;
  width: 46px;
  height: 4px;
  margin-bottom: 18px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.deepdoc-reading .prose h3 {
  font-size: clamp(20px, 2.4vw, 25px);
}

.deepdoc-reading .prose p,
.deepdoc-reading .prose li {
  font-size: 16.5px;
  line-height: 1.9;
}

.deepdoc-reading pre {
  font-size: var(--deepdoc-code-size);
}

.deepdoc-reading .table-wrap {
  margin-block: 28px;
}

.deepdoc-reading .callout {
  margin-block: 30px;
}

.deepdoc-reading .prose > h2:not(:first-of-type) {
  margin-top: 3em;
  padding-top: 36px;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 640px) {
  .deepdoc-hero {
    padding-top: 58px;
    padding-bottom: 62px;
  }

  .deepdoc-hero::after {
    right: var(--gutter);
    bottom: 22px;
  }

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

  .deepdoc-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .deepdoc-actions .button {
    width: 100%;
  }

  .deepdoc-reading .prose p,
  .deepdoc-reading .prose li {
    font-size: 16px;
    line-height: 1.85;
  }

  .deepdoc-reading pre {
    padding: 16px;
    font-size: 12px;
  }

  .deepdoc-intro {
    margin-bottom: 40px;
  }
}