.manual-stage {
  position: relative;
  max-width: 100%;
  overflow-x: clip;
  isolation: isolate;
  background: linear-gradient(180deg, var(--stage-top), var(--stage-bottom));
}

.manual-halo {
  position: absolute;
  z-index: -1;
  top: -12%;
  right: -18%;
  width: 72%;
  height: 130%;
  pointer-events: none;
  background: radial-gradient(ellipse at center, var(--accent-a12), var(--accent-a06) 38%, transparent 72%);
}

.manual-intro {
  padding-top: 86px;
  padding-bottom: 90px;
}

.manual-intro h1 {
  max-width: 950px;
  margin: 14px 0 22px;
}

.manual-lead {
  max-width: 70ch;
  color: var(--text-soft);
  font-size: 19px;
  line-height: 1.8;
}

.manual-lead a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.manual-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.manual-facts span {
  max-width: 100%;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  background: var(--panel-glass);
  color: var(--text-soft);
  font: 12px/1.6 var(--font-mono);
  overflow-wrap: anywhere;
}

.manual-document {
  padding-top: 30px;
  padding-bottom: 48px;
}

.manual-document > .toc-tabs {
  margin-bottom: 24px;
}

.manual-chapter {
  max-width: 86ch;
  padding-top: 38px;
  padding-bottom: 65px;
  border-bottom: 1px solid var(--border);
}

.manual-chapter h2 {
  margin: 16px 0 30px;
}

.manual-chapter h3 {
  margin-top: 38px;
  font-size: clamp(22px, 2.5vw, 28px);
}

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

.manual-chapter .callout {
  line-height: 1.8;
}

.manual-chapter .table-scroll {
  margin: 28px 0;
  line-height: 1.55;
}

.manual-chapter .table-scroll table {
  min-width: 690px;
}

.manual-chapter .table-scroll td {
  color: var(--text-soft);
}

.manual-promo {
  max-width: 86ch;
  margin-top: 56px;
}

@media (max-width: 768px) {
  .manual-intro {
    padding-top: 60px;
    padding-bottom: 64px;
  }

  .manual-lead {
    font-size: 17px;
  }

  .manual-chapter {
    padding-top: 28px;
    padding-bottom: 48px;
  }
}

@media (max-width: 640px) {
  .manual-halo {
    right: -28%;
    width: 90%;
  }

  .manual-facts {
    gap: 8px;
  }

  .manual-chapter h2 {
    margin-bottom: 22px;
  }

  .manual-chapter h3 {
    margin-top: 30px;
  }
}