.manual-hero {
  position: relative;
  padding-top: clamp(72px, 9vw, 112px);
  padding-bottom: clamp(64px, 8vw, 96px);
  overflow: hidden;
  text-align: center;
}

.manual-hero::before,
.manual-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: var(--radius-pill);
  pointer-events: none;
}

.manual-hero::before {
  width: min(760px, 84vw);
  height: min(420px, 52vw);
  top: 2%;
  left: -18%;
  background: radial-gradient(circle, var(--color-accent-a10), transparent 68%);
}

.manual-hero::after {
  width: min(680px, 78vw);
  height: min(380px, 48vw);
  right: -20%;
  bottom: -12%;
  background: radial-gradient(circle, var(--color-accent-a08), transparent 70%);
}

.manual-hero h1 {
  max-width: 800px;
  margin: 22px auto 0;
  font-size: clamp(34px, 4.2vw, 48px);
}

.manual-hero__lead {
  max-width: 760px;
  margin: 22px auto 0;
  color: var(--color-muted);
  font-size: clamp(17px, 1.8vw, 20px);
}

.manual-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.manual-scope {
  max-width: 760px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin: 34px auto 0;
}

.manual-scope span {
  max-width: 100%;
  padding: 6px 13px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.manual-intro {
  margin-bottom: 32px;
  padding: clamp(22px, 4vw, 34px);
  border-radius: var(--radius-card);
  background: var(--color-panel-soft);
}

.manual-intro > p {
  color: var(--color-muted);
  font-size: 17px;
}

.manual-intro .callout {
  margin-top: 22px;
  background: var(--color-panel);
}

.manual-prose {
  counter-reset: manual-section;
}

.manual-chapter {
  position: relative;
  padding-top: 76px;
  scroll-margin-top: 88px;
}

.manual-chapter:first-child {
  padding-top: 34px;
}

.manual-chapter + .manual-chapter {
  margin-top: 42px;
  border-top: 1px solid var(--color-border);
}

.manual-chapter h2 {
  padding-right: 64px;
}

.manual-chapter h3 {
  font-size: clamp(19px, 2vw, 23px);
}

.manual-chapter p {
  color: var(--color-muted);
}

.manual-chapter li {
  color: var(--color-muted);
}

.chapter-index {
  position: absolute;
  top: 76px;
  right: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  opacity: 0.55;
}

.manual-chapter:first-child .chapter-index {
  top: 34px;
}

.manual-prose pre {
  margin-top: 22px;
  margin-bottom: 22px;
  background: var(--color-panel-soft);
  box-shadow: inset 0 0 0 1px var(--color-border);
}

.manual-prose .table-scroll {
  margin-top: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-soft);
}

.manual-prose .data-table {
  min-width: 680px;
  font-size: 14px;
}

.manual-prose .callout {
  margin-top: 26px;
  margin-bottom: 26px;
}

.manual-checklist {
  margin-top: 30px;
  margin-bottom: 30px;
  padding: clamp(22px, 4vw, 32px);
  border-radius: var(--radius-card);
  background: var(--color-panel-soft);
}

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

.manual-checklist ol {
  display: grid;
  gap: 10px;
  margin-bottom: 0;
}

.manual-checklist li {
  padding-left: 4px;
}

@media (max-width: 768px) {
  .manual-hero {
    padding-top: 56px;
    padding-bottom: 64px;
  }

  .manual-hero h1 {
    font-size: clamp(26px, 7.4vw, 30px);
  }

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

  .manual-hero__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .manual-hero__actions .button {
    width: 100%;
  }

  .manual-intro > p {
    font-size: 16px;
  }

  .manual-chapter {
    padding-top: 66px;
  }

  .manual-chapter:first-child {
    padding-top: 28px;
  }

  .manual-chapter + .manual-chapter {
    margin-top: 34px;
  }

  .manual-chapter h2 {
    padding-right: 0;
  }

  .chapter-index {
    position: static;
    margin-bottom: 10px;
    font-size: 20px;
  }

  .manual-chapter:first-child .chapter-index {
    top: auto;
  }
}

@media (max-width: 420px) {
  .manual-scope {
    justify-content: flex-start;
  }

  .manual-scope span {
    flex: 1 1 calc(50% - 9px);
    text-align: center;
  }

  .manual-prose pre {
    padding: 16px;
    font-size: 12px;
  }
}