.reference-hero {
  position: relative;
  overflow: clip;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  text-align: center;
  isolation: isolate;
}

.reference-hero::before,
.reference-hero::after {
  position: absolute;
  z-index: -1;
  padding: 1px;
  border-radius: var(--radius-frame);
  background: var(--gradient-frame);
  content: "";
  opacity: 0.2;
  pointer-events: none;
  -webkit-mask: linear-gradient(var(--color-black) 0 0) content-box, linear-gradient(var(--color-black) 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(var(--color-black) 0 0) content-box, linear-gradient(var(--color-black) 0 0);
  mask-composite: exclude;
}

.reference-hero::before {
  top: 24px;
  right: -210px;
  width: 520px;
  height: 280px;
}

.reference-hero::after {
  bottom: -80px;
  left: -180px;
  width: 440px;
  height: 250px;
}

.reference-hero__label {
  display: inline-flex;
  min-height: 32px;
  margin-bottom: 22px;
  padding: 5px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  align-items: center;
  gap: 8px;
  background: var(--color-panel);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 700;
}

.reference-hero__label span {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-ring);
}

.reference-hero h1 {
  margin-bottom: 20px;
  background: var(--gradient-display);
  color: transparent;
  font-size: clamp(34px, 4vw, 48px);
  -webkit-background-clip: text;
  background-clip: text;
}

.reference-hero__lead {
  max-width: 760px;
  margin-right: auto;
  margin-bottom: 0;
  margin-left: auto;
  color: var(--color-text-muted);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.75;
}

.reference-hero__lead strong {
  color: var(--color-accent-dark);
}

.reference-facts {
  display: flex;
  margin-top: 30px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
}

.reference-facts span {
  display: inline-flex;
  min-height: 32px;
  padding: 6px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  align-items: center;
  background: var(--color-bg);
  color: var(--color-text-muted);
  box-shadow: var(--shadow-near);
  font-family: var(--font-mono);
  font-size: 12px;
}

.reference-document {
  padding-top: clamp(52px, 8vw, 92px);
}

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

.reference-intro {
  margin-bottom: clamp(64px, 9vw, 100px);
}

.reference-intro p {
  color: var(--color-text-muted);
}

.reference-prose > section {
  padding-bottom: clamp(68px, 9vw, 108px);
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.reference-prose > section + section {
  padding-top: clamp(68px, 9vw, 108px);
}

.reference-prose > section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.reference-prose h2 {
  margin-top: 0;
  margin-bottom: 28px;
}

.reference-prose h3 {
  margin-top: 42px;
  margin-bottom: 16px;
  font-size: clamp(20px, 2vw, 24px);
}

.reference-prose p {
  line-height: 1.92;
}

.reference-prose .table-scroll {
  margin-top: 34px;
  margin-bottom: 34px;
}

.reference-prose th {
  white-space: nowrap;
}

.reference-prose td {
  color: var(--color-text-muted);
}

.reference-prose pre {
  margin-top: 32px;
  margin-bottom: 28px;
}

.reference-prose .callout {
  margin-top: 34px;
  margin-bottom: 34px;
}

.reference-prose .callout h3 {
  margin-top: 0;
  font-size: 20px;
}

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

  .reference-hero__lead {
    font-size: 16px;
  }

  .reference-facts {
    align-items: stretch;
    flex-direction: column;
  }

  .reference-facts span {
    justify-content: center;
  }

  .reference-prose p {
    line-height: 1.82;
  }

  .reference-prose h3 {
    margin-top: 34px;
  }
}

@media (max-width: 480px) {
  .reference-hero::before {
    right: -390px;
  }

  .reference-hero::after {
    left: -350px;
  }

  .reference-intro {
    padding: 22px;
  }

  .reference-prose th,
  .reference-prose td {
    font-size: 14px;
  }
}