.manual-hero {
  position: relative;
  padding-top: 72px;
  padding-bottom: 58px;
  overflow-x: clip;
  background: var(--color-canvas);
  text-align: center;
}

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

.manual-hero::before {
  top: 44px;
  left: -76px;
  width: 210px;
  height: 210px;
}

.manual-hero::after {
  right: -42px;
  bottom: 18px;
  width: 138px;
  height: 138px;
}

.manual-hero .reading-wrap {
  position: relative;
  z-index: 1;
}

.manual-hero .badge {
  margin-bottom: 1.25rem;
}

.manual-hero .eyebrow {
  margin-bottom: 0.8rem;
}

.manual-hero h1 {
  max-width: 13em;
  margin-right: auto;
  margin-bottom: 1.25rem;
  margin-left: auto;
  color: var(--color-brand);
}

.manual-hero .lead {
  margin-right: auto;
  margin-bottom: 1.5rem;
  margin-left: auto;
}

.manual-hero-actions {
  margin-bottom: 1.5rem;
  justify-content: center;
}

.manual-facts {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.manual-intro {
  background: var(--color-panel);
}

.manual-intro-card {
  padding: clamp(1.4rem, 4vw, 2.6rem);
  border-radius: var(--radius-large);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.manual-intro-card h2 {
  font-size: clamp(28px, 4vw, 40px);
}

.manual-intro-card > :last-child {
  margin-bottom: 0;
}

.manual-toc-host {
  position: relative;
  z-index: 45;
  padding-top: 30px;
  padding-bottom: 22px;
  background: var(--color-canvas);
}

.manual-article {
  width: 100%;
  max-width: var(--reading-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.manual-chapter {
  padding-top: 78px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line);
}

.manual-chapter:last-child {
  border-bottom: 0;
}

.manual-chapter h2 {
  margin-bottom: 1.5rem;
}

.manual-chapter h3 {
  position: relative;
  margin-top: 2.4rem;
  margin-bottom: 0.9rem;
  padding-left: 1.1rem;
  font-size: clamp(21px, 2.2vw, 27px);
}

.manual-chapter h3::before {
  position: absolute;
  top: 0.2em;
  bottom: 0.2em;
  left: 0;
  width: 4px;
  border-radius: var(--radius-pill);
  background: var(--color-brand-bright);
  content: "";
}

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

.manual-chapter strong {
  color: var(--color-brand-deep);
}

.chapter-code {
  margin-bottom: 0.65rem;
  color: var(--color-muted) !important;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.manual-chapter .table-scroll {
  margin-top: 1.8rem;
  margin-bottom: 2rem;
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-card);
}

.manual-chapter pre {
  position: relative;
  margin-top: 1.8rem;
  margin-bottom: 1.8rem;
  padding-top: 2.8rem;
  box-shadow: var(--shadow-card);
}

.manual-chapter pre::before {
  position: absolute;
  top: 1rem;
  left: 1.25rem;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-warning);
  box-shadow: 16px 0 0 var(--color-success), 32px 0 0 var(--color-error);
  content: "";
}

.decision-steps {
  margin-top: 1.5rem;
  margin-bottom: 1.75rem;
  padding: 0;
  counter-reset: decision-step;
  list-style: none;
}

.decision-steps li {
  position: relative;
  min-height: 58px;
  padding: 1rem 1rem 1rem 4rem;
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  counter-increment: decision-step;
}

.decision-steps li + li {
  margin-top: 0.75rem;
}

.decision-steps li::before {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: grid;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-pill);
  background: var(--color-brand);
  color: var(--color-white);
  content: counter(decision-step);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  place-items: center;
}

.manual-next {
  padding-top: 72px;
}

.manual-next-panel {
  display: grid;
  padding: clamp(1.5rem, 4vw, 2.8rem);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2rem;
}

.manual-next-panel h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(28px, 4vw, 40px);
}

.manual-next-panel p:last-child {
  margin-bottom: 0;
  color: var(--color-muted);
}

.manual-next-panel .button-row {
  max-width: 310px;
  justify-content: flex-end;
}

@media (max-width: 800px) {
  .manual-hero {
    padding-top: 54px;
    padding-bottom: 46px;
  }

  .manual-toc-host {
    padding-top: 20px;
    padding-bottom: 16px;
  }

  .manual-chapter {
    padding-top: 62px;
  }

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

  .manual-next-panel .button-row {
    max-width: none;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .manual-hero {
    text-align: left;
  }

  .manual-hero::before,
  .manual-hero::after {
    display: none;
  }

  .manual-hero h1,
  .manual-hero .lead {
    margin-left: 0;
  }

  .manual-hero-actions,
  .manual-facts {
    justify-content: flex-start;
  }

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

  .manual-hero-actions .btn {
    width: 100%;
  }

  .manual-intro-card {
    border-radius: var(--radius-medium);
  }

  .manual-toc-host {
    padding-inline: var(--gutter);
  }

  .manual-chapter {
    padding-top: 54px;
  }

  .manual-chapter h3 {
    margin-top: 2rem;
  }

  .decision-steps li {
    padding-right: 0.85rem;
    padding-left: 3.6rem;
  }

  .manual-next-panel .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .manual-next-panel .btn {
    width: 100%;
  }
}