:root {
  --deepdoc-hero-width: 64rem;
  --deepdoc-rule-width: 72px;
  --deepdoc-code-corner: 34px;
}

.guide-hero {
  padding-top: clamp(58px, 8vw, 104px);
  padding-bottom: clamp(42px, 6vw, 76px);
  border-bottom: 1px solid var(--color-line);
}

.guide-hero-glow {
  position: absolute;
  top: -190px;
  left: 50%;
  width: min(1180px, 130vw);
  height: 570px;
  transform: translateX(-50%) rotate(-4deg);
  border-radius: 46% 54% 58% 42%;
  background: linear-gradient(118deg, var(--color-glow-warm), var(--color-glow-cool));
  filter: blur(62px);
  opacity: .72;
  pointer-events: none;
}

.guide-hero-inner {
  position: relative;
  z-index: 1;
  max-width: calc(var(--deepdoc-hero-width) + var(--gutter) * 2);
}

.guide-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.guide-revision {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
}

.guide-hero h1 {
  max-width: 820px;
  margin-bottom: 22px;
}

.guide-hero .lead {
  max-width: 860px;
  margin-bottom: 26px;
}

.guide-scope {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 30px;
}

.guide-scope span {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  padding: 7px 13px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 750;
  text-overflow: ellipsis;
}

.guide-route {
  max-width: 900px;
  margin-bottom: 0;
}

.guide-route a {
  font-weight: 800;
}

.guide-directory {
  position: relative;
  z-index: 20;
  padding-top: 28px;
  padding-bottom: 24px;
}

.guide-article {
  padding-bottom: var(--section-space);
}

.guide-section {
  position: relative;
  padding-top: clamp(58px, 8vw, 92px);
  padding-bottom: clamp(58px, 8vw, 92px);
  border-bottom: 1px solid var(--color-line);
}

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

.section-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
}

.section-mark::before {
  width: var(--deepdoc-rule-width);
  height: 2px;
  flex-shrink: 0;
  background: var(--color-accent);
  content: "";
}

.guide-section h2 {
  max-width: 780px;
  margin-bottom: 36px;
}

.guide-section h3 {
  position: relative;
  margin-top: 44px;
  margin-bottom: 16px;
  padding-left: 18px;
  font-size: clamp(20px, 2.2vw, 25px);
}

.guide-section h3::before {
  position: absolute;
  top: .2em;
  bottom: .2em;
  left: 0;
  width: 4px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.guide-section p,
.guide-section li {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.95;
}

.guide-section p {
  margin-bottom: 20px;
}

.guide-section a {
  font-weight: 780;
  text-decoration: underline;
  text-decoration-color: var(--color-line);
  text-underline-offset: .2em;
}

.guide-section a:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

.guide-section .callout {
  margin-top: 32px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.guide-table {
  margin-top: 34px;
  margin-bottom: 34px;
}

.guide-table td {
  color: var(--color-text-muted);
  line-height: 1.65;
}

.guide-section pre {
  position: relative;
  margin-top: 26px;
  margin-bottom: 30px;
  padding-top: 52px;
  border: 1px solid var(--color-dark-muted);
  box-shadow: var(--shadow-panel);
}

.guide-section pre::before {
  position: absolute;
  top: 17px;
  left: 20px;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 18px 0 0 var(--color-warning), 36px 0 0 var(--color-success);
  content: "";
}

.guide-section pre::after {
  position: absolute;
  top: 12px;
  right: 18px;
  color: var(--color-surface-muted);
  content: "TERMINAL";
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .12em;
  opacity: .7;
}

.guide-checklist {
  margin-top: 42px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-line);
  border-top: 5px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.guide-checklist h3 {
  margin-top: 0;
}

.guide-checklist ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-checklist li {
  position: relative;
  padding: 10px 12px 10px 38px;
  border-bottom: 1px dashed var(--color-line);
}

.guide-checklist li:last-child {
  border-bottom: 0;
}

.guide-checklist li::before {
  position: absolute;
  top: 16px;
  left: 10px;
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-success);
  border-radius: var(--radius-xs);
  color: var(--color-success);
  content: "✓";
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 900;
}

.guide-closing {
  margin-top: 38px;
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  color: var(--color-text);
}

@media (max-width: 768px) {
  .guide-hero-glow {
    top: -120px;
    width: 155vw;
    height: 430px;
    filter: blur(48px);
  }

  .guide-directory {
    padding-top: 20px;
    padding-bottom: 18px;
  }

  .guide-section {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .section-mark {
    letter-spacing: .1em;
  }

  .section-mark::before {
    width: 42px;
  }

  .guide-section h2 {
    margin-bottom: 28px;
  }

  .guide-section h3 {
    margin-top: 36px;
  }

  .guide-section p,
  .guide-section li {
    font-size: 15px;
    line-height: 1.9;
  }
}

@media (max-width: 480px) {
  .guide-revision {
    width: 100%;
  }

  .guide-scope {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .guide-scope span {
    border-radius: var(--radius-sm);
  }

  .section-mark {
    overflow-wrap: anywhere;
  }

  .guide-checklist {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .guide-hero-glow {
    transform: translateX(-50%) rotate(-4deg);
  }
}