.guide-hero {
  padding: 34px 15px 0;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  font: 400 12px var(--mono);
  color: var(--muted);
}
.back-link:hover {
  color: var(--yellow);
}
.guide-hero .eyebrow {
  margin-top: 40px;
  color: var(--purple);
  font-size: 12px;
}
.guide-hero h1 {
  margin: 18px 0 22px -4px;
  font-size: clamp(56px, 6.8vw, 102px);
  line-height: 0.98;
  font-weight: 700;
  letter-spacing: -0.065em;
}
.guide-hero h1 span {
  color: var(--yellow);
}
.guide-lede {
  max-width: 780px;
  font-size: 20px;
  line-height: 1.6;
  color: #d4d1df;
}
.guide-nav {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 36px;
  font: 400 13px var(--mono);
}
.guide-nav a {
  padding: 17px 0;
  border-bottom: 3px solid transparent;
  color: var(--muted);
}
.guide-nav a:hover,
.guide-nav [aria-current="page"] {
  border-color: var(--yellow);
  color: var(--yellow);
}
.guide-paper {
  background: var(--paper);
  color: var(--ink);
  padding-block: 60px 70px;
}
.guide-content {
  max-width: 1220px;
}
.guide-section + .guide-section {
  margin-top: 48px;
  padding-top: 38px;
  border-top: 1px solid #cfccd4;
}
.section-heading {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 22px;
}
.section-number {
  font: 400 12px var(--mono);
  color: var(--brand);
}
.section-heading h2,
.reference-block h2 {
  font-size: clamp(27px, 2.7vw, 39px);
  letter-spacing: -0.05em;
  line-height: 1.18;
  font-weight: 600;
}
.guide-section p {
  line-height: 1.75;
  font-size: 17px;
  color: #4e4a58;
}
.guide-section :where(p) + p {
  margin-top: 16px;
}
.section-intro {
  max-width: 950px;
  margin-bottom: 24px;
}
.explanation-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: start;
  gap: 42px;
}
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.guide-paper code {
  font-family: var(--mono);
  font-size: 0.88em;
}
.guide-section .example-caption,
.guide-section .scope-note {
  margin-top: 18px;
  font-size: 13px;
  color: #655e70;
}
.compact-section > p {
  max-width: 960px;
}
.compact-section a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 16px;
  line-height: 1.6;
}
.comparison-table caption {
  text-align: left;
  font: 400 11px / 1.6 var(--mono);
  color: #655e70;
  margin-bottom: 18px;
}
.comparison-table th,
.comparison-table td {
  padding: 17px 22px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid #cfccd4;
  overflow-wrap: anywhere;
}
.comparison-table th {
  font-weight: 500;
}
.comparison-table thead {
  font: 400 12px var(--mono);
  color: var(--brand);
}
.comparison-table thead th:first-child {
  width: 26%;
}
.comparison-table tbody th {
  width: 25%;
}
.comparison-table td {
  color: #4e4a58;
}
.reference-block {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  margin-top: 52px;
  padding-top: 36px;
  border-top: 1px solid #aaa4b4;
}
.reference-block .eyebrow {
  font-size: 10px;
  color: #655e70;
  margin-bottom: 12px;
}
.reference-block h2 {
  font-size: 27px;
}
.reference-block p:not(.eyebrow) {
  font-size: 14px;
  color: #655e70;
  margin-top: 12px;
}
.reference-link,
.secondary-reference {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--brand);
  font: 500 13px / 1.6 var(--mono);
  min-height: 40px;
}
.secondary-reference {
  margin-top: 12px;
  font-size: 11px;
}
.guide-paper a:focus-visible {
  outline-color: var(--brand);
}
@media (max-width: 900px) {
  .guide-hero {
    padding: 24px 0 0;
  }
  .guide-hero .eyebrow {
    margin-top: 24px;
    font-size: 10px;
  }
  .guide-hero h1 {
    font-size: clamp(48px, 9vw, 76px);
  }
  .guide-lede {
    font-size: 18px;
  }
  .guide-nav {
    margin-top: 30px;
    gap: 0 22px;
    font-size: 11px;
  }
  .guide-paper {
    padding-block: 38px 44px;
  }
  .explanation-grid,
  .comparison-grid,
  .reference-block {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
  .guide-section + .guide-section {
    margin-top: 32px;
    padding-top: 30px;
  }
  .section-heading {
    gap: 13px;
  }
  .guide-section p {
    font-size: 16px;
  }
  .comparison-table table {
    font-size: 14px;
  }
  .comparison-table th,
  .comparison-table td {
    padding: 14px 8px;
  }
  .reference-block {
    margin-top: 36px;
  }
}