.reference-intro {
  position: relative;
  overflow: hidden;
  padding-top: 80px;
  padding-bottom: 80px;
  background: linear-gradient(180deg, var(--c-accent), var(--c-panel-2));
  color: var(--c-on-dark);
}
.reference-intro::after {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  top: -230px;
  right: -100px;
  background: radial-gradient(closest-side, var(--c-glow-violet), var(--c-clear));
  pointer-events: none;
}
.reference-intro > .wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: center;
  gap: 64px;
}
.reference-heading h1 {
  margin-top: 26px;
}
.reference-summary {
  max-width: 35em;
  margin-top: 28px;
  color: var(--c-on-dark-muted);
  font-size: 18px;
  line-height: 1.85;
}
.reference-index {
  padding: 28px;
  border: 1px solid var(--c-on-dark-line);
  border-radius: var(--r-card);
  background: var(--c-on-dark-fill);
}
.reference-index > .mono {
  display: block;
  margin-bottom: 24px;
  color: var(--c-on-dark-soft);
  font-size: 11px;
  letter-spacing: .05em;
}
.reference-index p {
  font-size: 20px;
}
.reference-index > span:not(.mono) {
  display: block;
  margin-block: 8px;
  color: var(--c-on-dark-soft);
  font-family: var(--f-mono);
}
.reference-index small {
  display: block;
  margin-top: 26px;
  color: var(--c-on-dark-muted);
  line-height: 1.8;
}
.reference-lead {
  padding-top: 56px;
  padding-bottom: 32px;
  color: var(--c-muted);
}
.reference-document .section-head .badge {
  margin-bottom: 20px;
}
.reference-document .section-head {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--c-border);
}
.reference-document .prose {
  line-height: 1.95;
}
.reference-document .prose > h3:first-child {
  margin-top: 0;
}
.reference-document .document-body > .section:last-child {
  padding-bottom: 0;
}
@media (max-width: 768px) {
  .reference-intro {
    padding-top: 48px;
    padding-bottom: 48px;
  }
  .reference-intro > .wrap {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }
  .reference-summary {
    font-size: 16px;
  }
  .reference-index {
    max-width: 100%;
  }
  .reference-index p {
    font-size: 18px;
  }
}