.guide-hero {
  padding-top: clamp(52px, 8vw, 104px);
  padding-bottom: clamp(48px, 7vw, 88px);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 78% 24%, var(--color-accent-soft), transparent 34%),
    var(--color-bg);
}

.guide-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}

.guide-hero-copy {
  max-width: 760px;
}

.guide-intro {
  max-width: 700px;
  margin-bottom: 26px;
  color: var(--color-text-muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.8;
}

.guide-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.guide-scope {
  position: relative;
}

.guide-scope::before {
  position: absolute;
  top: 0;
  left: 24px;
  width: 68px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.guide-scope-label {
  margin-bottom: 16px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
}

.guide-scope h2 {
  font-size: clamp(25px, 3vw, 34px);
}

.guide-scope a,
.guide-prose p a {
  color: var(--color-accent-dark);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-color: var(--color-accent-border);
  text-underline-offset: 3px;
}

.guide-layout {
  padding-top: 38px;
  padding-bottom: var(--section-space);
}

.guide-layout > .toc-tabs {
  top: 10px;
}

.guide-prose {
  width: 100%;
  max-width: 920px;
  margin-inline: auto;
}

.guide-section {
  padding-top: clamp(62px, 8vw, 104px);
  padding-bottom: clamp(62px, 8vw, 104px);
  border-bottom: 1px solid var(--color-border);
}

.guide-section:first-child {
  padding-top: 42px;
}

.guide-section h2 {
  max-width: 800px;
}

.guide-section h3 {
  margin-top: 38px;
  font-size: clamp(21px, 2.5vw, 27px);
}

.guide-section p,
.guide-section li {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.9;
}

.guide-section p + p {
  margin-top: 16px;
}

.guide-section .callout {
  margin-top: 30px;
  margin-bottom: 34px;
}

.guide-section .callout strong {
  color: var(--color-text);
}

.guide-section .table-scroll {
  margin-top: 32px;
  margin-bottom: 32px;
}

.guide-section pre {
  margin-top: 24px;
  margin-bottom: 24px;
}

.guide-section code {
  font-size: 13px;
  line-height: 1.7;
}

.guide-prose .promo-block {
  margin-top: clamp(58px, 8vw, 96px);
}

.guide-prose .promo-block h3 {
  margin-bottom: 10px;
  font-size: clamp(26px, 4vw, 38px);
}

@media (max-width: 900px) {
  .guide-hero-grid {
    grid-template-columns: 1fr;
  }

  .guide-scope {
    max-width: 680px;
  }
}

@media (max-width: 640px) {
  .guide-hero {
    padding-top: 38px;
    padding-bottom: 48px;
  }

  .guide-facts {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-facts .fact-pill {
    width: fit-content;
  }

  .guide-layout {
    padding-top: 22px;
  }

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

  .guide-section:first-child {
    padding-top: 30px;
  }

  .guide-section h3 {
    margin-top: 32px;
  }

  .guide-section p,
  .guide-section li {
    font-size: 15px;
    line-height: 1.86;
  }
}