.manual-hero {
  border-bottom: var(--border-heavy) solid var(--color-accent-dark);
  background:
    linear-gradient(var(--color-paper-line) var(--border-thin), var(--color-transparent) var(--border-thin)),
    linear-gradient(90deg, var(--color-paper-line) var(--border-thin), var(--color-transparent) var(--border-thin)),
    var(--color-panel-soft);
  background-size: 34px 34px;
}

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

.manual-hero .reading-wrap::after {
  position: absolute;
  top: 4px;
  right: var(--gutter);
  width: 108px;
  height: 108px;
  border: var(--border-heavy) double var(--color-accent);
  border-radius: 50%;
  opacity: 0.2;
  content: "";
}

.manual-lead {
  max-width: 760px;
  margin: 28px 0 24px;
  color: var(--color-text-muted);
  font-size: 1.08rem;
  line-height: 1.9;
}

.manual-lead a {
  color: var(--color-error);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: var(--border-medium);
  text-underline-offset: 4px;
}

.manual-facts {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: var(--border-medium) solid var(--color-accent-dark);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.manual-facts div {
  padding: 18px 20px;
  display: grid;
  gap: 5px;
  border-right: var(--border-thin) dashed var(--color-border);
}

.manual-facts div:last-child {
  border-right: 0;
}

.manual-facts span {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.manual-facts strong {
  color: var(--color-accent-dark);
  font-size: 0.9rem;
}

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

.manual-prose {
  font-size: 1rem;
  line-height: 1.9;
}

.doc-chapter {
  padding-top: 38px;
  padding-bottom: 58px;
  border-bottom: var(--border-medium) dashed var(--color-border);
  scroll-margin-top: calc(var(--header-height) + 20px);
}

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

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

.doc-chapter h3 {
  position: relative;
  padding-left: 18px;
}

.doc-chapter h3::before {
  position: absolute;
  top: 0.45em;
  bottom: 0.25em;
  left: 0;
  width: 5px;
  border-radius: var(--radius-pill);
  background: var(--color-brass);
  content: "";
}

.chapter-index {
  margin-bottom: 10px;
  color: var(--color-error);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.manual-prose p {
  text-wrap: pretty;
}

.manual-prose .table-wrap {
  margin: 26px 0;
}

.manual-prose .callout {
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .manual-hero .reading-wrap::after {
    width: 72px;
    height: 72px;
    opacity: 0.12;
  }

  .manual-facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .manual-facts div {
    border-right: 0;
    border-bottom: var(--border-thin) dashed var(--color-border);
  }

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

  .manual-body {
    padding-top: 34px;
  }

  .doc-chapter {
    padding-top: 28px;
    padding-bottom: 44px;
  }
}

@media (max-width: 420px) {
  .manual-hero .reading-wrap::after {
    display: none;
  }

  .manual-lead {
    font-size: 1rem;
  }

  .manual-prose {
    font-size: 0.96rem;
  }
}