:root {
  --guide-hero-space: 92px;
  --guide-chapter-gap: 112px;
  --guide-table-width: 780px;
  --guide-flow-size: 210px;
}

.guide-hero {
  position: relative;
  padding-top: var(--guide-hero-space);
  padding-bottom: var(--guide-hero-space);
  overflow-x: clip;
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 62%, transparent);
}

.guide-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--color-border) 24%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--color-border) 24%, transparent) 1px, transparent 1px);
  background-size: 72px 72px;
  content: '';
  mask-image: linear-gradient(to bottom, var(--color-shadow), transparent);
  opacity: 0.54;
  pointer-events: none;
}

.guide-hero::after {
  position: absolute;
  right: 8%;
  bottom: 0;
  left: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-accent-pink), transparent);
  box-shadow: 0 0 20px color-mix(in srgb, var(--color-accent) 58%, transparent);
  content: '';
  pointer-events: none;
}

.guide-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 64px;
  align-items: center;
}

.guide-hero-copy {
  min-width: 0;
}

.guide-hero h1 {
  max-width: 10em;
  margin-bottom: 24px;
}

.guide-summary {
  max-width: 42em;
  margin-bottom: 28px;
  color: var(--color-text-muted);
  font-size: 18px;
  line-height: 1.9;
}

.guide-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.guide-scope {
  position: relative;
  min-width: 0;
  overflow: clip;
}

.guide-scope::after {
  position: absolute;
  right: -72px;
  bottom: -72px;
  width: 180px;
  height: 180px;
  border: 1px dashed color-mix(in srgb, var(--color-accent-pink) 45%, transparent);
  border-radius: var(--radius-pill);
  content: '';
  pointer-events: none;
}

.guide-scope h2 {
  position: relative;
  z-index: 1;
  margin-top: 22px;
  font-size: 28px;
}

.guide-scope p {
  position: relative;
  z-index: 1;
  color: var(--color-text-muted);
}

.guide-scope a,
.guide-intro a {
  color: var(--color-accent-pink);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-accent-pink) 48%, transparent);
  text-underline-offset: 3px;
}

.guide-intro {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: 56px;
  align-items: end;
}

.guide-intro h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4vw, 46px);
}

.guide-intro p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 17px;
  line-height: 1.9;
}

.guide-article {
  padding-top: 64px;
  padding-bottom: 112px;
}

.guide-article > .toc-tabs {
  width: max-content;
  margin-inline: auto;
}

.guide-chapter {
  max-width: var(--reading-width);
  margin-inline: auto;
  padding-top: var(--guide-chapter-gap);
}

.guide-chapter:first-of-type {
  padding-top: 42px;
}

.chapter-code {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  margin-bottom: 14px;
  padding: 4px 12px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 54%, var(--color-border));
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  color: var(--color-accent-pink);
  font-size: 11px;
  letter-spacing: 0.11em;
}

.guide-chapter h2 {
  margin-top: 0;
}

.guide-chapter h3 {
  padding-top: 4px;
  border-top: 1px solid color-mix(in srgb, var(--color-border) 58%, transparent);
}

.guide-chapter p {
  line-height: 1.95;
}

.guide-chapter .table-scroll {
  width: min(100%, var(--guide-table-width));
  margin: 36px 0;
}

.guide-chapter pre {
  border-color: color-mix(in srgb, var(--color-accent) 42%, var(--color-border));
}

.route-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 38px 0;
}

.route-flow::before {
  position: absolute;
  top: 35px;
  right: 12%;
  left: 12%;
  border-top: 1px dashed var(--color-accent);
  content: '';
  opacity: 0.5;
}

.route-flow-item {
  position: relative;
  z-index: 1;
  min-width: 0;
  min-height: var(--guide-flow-size);
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, var(--color-panel), var(--color-panel-raised));
}

.route-flow-label {
  display: inline-flex;
  margin-bottom: 28px;
  padding: 4px 9px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 48%, var(--color-border));
  border-radius: var(--radius-pill);
  background: var(--color-panel-raised);
  color: var(--color-accent-pink);
  font-size: 10px;
}

.route-flow-item strong {
  display: block;
  margin-bottom: 12px;
}

.route-flow-item p {
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.72;
}

.guide-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
  max-width: 980px;
  margin: 112px auto 0;
  background:
    linear-gradient(132deg, color-mix(in srgb, var(--color-accent) 15%, transparent), transparent 58%),
    var(--color-panel);
}

.guide-next h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 40px);
}

.guide-next p {
  max-width: 46em;
  color: var(--color-text-muted);
}

@media (max-width: 980px) {
  .guide-hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .guide-scope {
    max-width: 720px;
  }

  .guide-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .guide-next {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --guide-hero-space: 68px;
    --guide-chapter-gap: 84px;
  }

  .guide-hero-grid {
    gap: 34px;
  }

  .guide-summary {
    font-size: 16px;
  }

  .guide-article {
    padding-top: 42px;
    padding-bottom: 82px;
  }

  .guide-article > .toc-tabs {
    width: 100%;
    margin-inline: 0;
  }

  .route-flow {
    grid-template-columns: 1fr;
  }

  .route-flow::before {
    top: 10%;
    bottom: 10%;
    left: 34px;
    width: 1px;
    border-top: 0;
    border-left: 1px dashed var(--color-accent);
  }

  .route-flow-item {
    min-height: 0;
  }

  .guide-next {
    margin-top: 84px;
  }
}

@media (max-width: 640px) {
  .guide-facts .fact-pill {
    flex: 1 1 136px;
    justify-content: center;
  }

  .guide-scope {
    padding: 24px;
  }

  .guide-scope h2 {
    font-size: 24px;
  }

  .guide-chapter p {
    line-height: 1.88;
  }

  .route-flow-item {
    padding: 20px;
  }

  .guide-next {
    padding: 24px;
  }
}