:root {
  --doc-hero-width: 900px;
  --doc-lead-width: 760px;
  --doc-copy-size: 17px;
  --doc-copy-leading: 1.92;
  --doc-rule-width: 48px;
  --doc-marker-spacing: .08em;
}

.doc-hero {
  position: relative;
  overflow-x: clip;
  padding-top: clamp(72px, 10vw, 126px);
  padding-bottom: clamp(64px, 9vw, 112px);
  border-bottom: 1px solid var(--color-line);
}

.doc-hero::before {
  position: absolute;
  top: -42%;
  left: 50%;
  width: min(88vw, var(--doc-hero-width));
  aspect-ratio: 1;
  border-radius: 50%;
  content: "";
  pointer-events: none;
  background:
    radial-gradient(circle at 34% 45%, var(--color-glow-amber), transparent 38%),
    radial-gradient(circle at 68% 48%, var(--color-glow-rose), transparent 42%),
    radial-gradient(circle at 50% 68%, var(--color-glow-cream), transparent 62%);
  opacity: .48;
  transform: translateX(-50%);
}

.doc-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--doc-hero-width);
  text-align: center;
}

.doc-hero .eyebrow {
  margin-bottom: 22px;
}

.doc-hero h1 {
  max-width: 14em;
  margin-inline: auto;
}

.doc-lead {
  max-width: var(--doc-lead-width);
  margin-right: auto;
  margin-bottom: 30px;
  margin-left: auto;
  color: var(--color-muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.85;
}

.doc-hero .button-row {
  justify-content: center;
}

.doc-fact-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 14px;
}

.doc-fact-line span {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.doc-fact-line strong {
  color: var(--color-brand);
  font-family: var(--font-mono);
}

.doc-article {
  position: relative;
  padding-top: clamp(54px, 8vw, 92px);
  padding-bottom: var(--section-space);
}

.doc-opening {
  max-width: var(--reading-width);
  margin: 0 auto 42px;
  color: var(--color-muted);
  font-size: var(--doc-copy-size);
  line-height: var(--doc-copy-leading);
}

.doc-opening p:last-child {
  margin-bottom: 0;
}

.doc-section {
  width: 100%;
  max-width: var(--reading-width);
  margin-inline: auto;
  padding-top: clamp(54px, 8vw, 88px);
  padding-bottom: clamp(54px, 8vw, 88px);
  border-bottom: 1px solid var(--color-line);
  font-size: var(--doc-copy-size);
  line-height: var(--doc-copy-leading);
}

.doc-section:last-child {
  border-bottom: 0;
}

.doc-section h2 {
  position: relative;
  padding-bottom: 24px;
}

.doc-section h2::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: var(--doc-rule-width);
  height: 3px;
  border-radius: var(--radius-pill);
  content: "";
  background: var(--color-warning);
}

.doc-section h3 {
  margin-top: 2.1em;
  font-size: clamp(22px, 2.6vw, 28px);
}

.doc-section p {
  color: var(--color-text);
}

.doc-section p + p {
  color: var(--color-muted);
}

.section-marker {
  display: block;
  margin-bottom: 12px;
  color: var(--color-warning-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: var(--doc-marker-spacing);
}

.doc-section .comparison-table-wrap,
.doc-section .location-table-wrap {
  margin-top: 34px;
  margin-bottom: 38px;
}

.doc-section .callout {
  margin-top: 34px;
  margin-bottom: 38px;
}

.doc-section code {
  padding: 2px 6px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: var(--color-panel-soft);
  color: var(--color-brand);
  font-size: .9em;
}

@media (max-width: 768px) {
  .doc-hero {
    padding-top: 60px;
    padding-bottom: 64px;
  }

  .doc-hero::before {
    top: -12%;
    width: 130vw;
  }

  .doc-fact-line {
    align-items: center;
    flex-direction: column;
    gap: 8px;
  }

  .doc-section,
  .doc-opening {
    font-size: 16px;
    line-height: 1.86;
  }

  .doc-section {
    padding-top: 58px;
    padding-bottom: 58px;
  }
}

@media (max-width: 640px) {
  .doc-hero .button-row {
    align-items: stretch;
  }

  .doc-fact-line span {
    justify-content: center;
  }

  .doc-section h2 {
    padding-bottom: 20px;
  }

  .doc-section h3 {
    margin-top: 1.8em;
  }
}