.manual-hero {
  position: relative;
  max-width: 100%;
  padding-top: 72px;
  padding-bottom: 80px;
  overflow-x: clip;
  background: linear-gradient(180deg, var(--color-bg-top), var(--color-bg-bottom));
}

.manual-hero-atmosphere {
  position: absolute;
  inset: 0;
  max-width: 100%;
  overflow: hidden;
  pointer-events: none;
}

.manual-glow {
  position: absolute;
  border-radius: var(--radius-pill);
  filter: blur(70px);
}

.manual-glow-accent {
  bottom: -24%;
  left: -8%;
  width: 48%;
  height: 72%;
  background: rgba(var(--accent-rgb), .1);
}

.manual-glow-honey {
  top: -26%;
  right: -6%;
  width: 42%;
  height: 66%;
  background: rgba(var(--honey-rgb), .15);
}

.manual-grid {
  position: absolute;
  inset: 0;
  opacity: .24;
  background-image:
    linear-gradient(rgba(var(--accent-rgb), .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb), .08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, var(--color-black), transparent);
}

.manual-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(310px, .75fr);
  align-items: center;
  gap: 64px;
}

.manual-hero-copy {
  min-width: 0;
}

.manual-hero-copy h1 {
  max-width: 780px;
  margin-top: 18px;
}

.manual-hero-copy .lead {
  max-width: 760px;
  margin-top: 22px;
}

.manual-hero-copy .button-row {
  margin-top: 28px;
}

.manual-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

.manual-index-card {
  position: relative;
  min-width: 0;
  padding: 30px;
  overflow: clip;
  border: 8px solid var(--color-accent);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-float);
}

.manual-index-card::after {
  position: absolute;
  right: -56px;
  bottom: -64px;
  width: 170px;
  height: 170px;
  border-radius: var(--radius-pill);
  background: rgba(var(--honey-rgb), .16);
  content: "";
}

.manual-card-chrome {
  display: flex;
  gap: 7px;
  margin-bottom: 28px;
}

.manual-card-chrome span {
  width: 11px;
  height: 11px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
}

.manual-card-chrome span:nth-child(1) {
  background: var(--color-error);
}

.manual-card-chrome span:nth-child(2) {
  background: var(--color-warning);
}

.manual-card-chrome span:nth-child(3) {
  background: var(--color-success);
}

.manual-card-label,
.chapter-kicker {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
}

.manual-index-card h2 {
  margin-top: 8px;
  font-size: 30px;
}

.manual-index-card ul {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 11px;
  margin-top: 22px;
  list-style: none;
}

.manual-index-card li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--color-border);
  color: var(--color-muted);
  font-size: 14px;
}

.manual-index-card li span {
  color: var(--color-accent);
  font-weight: 850;
}

.manual-card-note {
  position: relative;
  z-index: 1;
  margin-top: 22px;
  color: var(--color-muted);
  font-size: 14px;
}

.manual-card-note a {
  color: var(--color-accent);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.manual-article {
  padding-top: 72px;
  padding-bottom: var(--section-space);
}

.manual-article > .toc-tabs {
  margin-top: 0;
}

.manual-chapter {
  max-width: 960px;
  margin-inline: auto;
  padding-top: 34px;
  padding-bottom: 58px;
  border-bottom: 1px solid var(--color-border);
}

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

.manual-chapter h2 {
  margin-top: 8px;
  margin-bottom: 32px;
}

.manual-chapter h3 {
  position: relative;
  margin-top: 42px;
  padding-left: 20px;
}

.manual-chapter h3::before {
  position: absolute;
  top: .12em;
  bottom: .12em;
  left: 0;
  width: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-honey);
  content: "";
}

.manual-chapter p {
  color: var(--color-text);
  line-height: 1.9;
}

.manual-chapter p + p {
  margin-top: 16px;
}

.manual-chapter .callout,
.manual-chapter .table-scroll,
.manual-chapter pre,
.manual-chapter .manual-flow {
  margin-top: 28px;
  margin-bottom: 28px;
}

.manual-chapter .callout a {
  color: var(--color-accent);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.manual-chapter pre {
  border: 1px solid rgba(var(--panel-rgb), .16);
  box-shadow: var(--shadow-card);
}

.manual-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.manual-flow > div {
  position: relative;
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.manual-flow > div::after {
  position: absolute;
  top: 28px;
  right: -11px;
  z-index: 2;
  color: var(--color-honey);
  content: "◆";
  font-size: 14px;
}

.manual-flow > div:last-child::after {
  display: none;
}

.manual-flow strong {
  color: var(--color-accent);
  font-size: 17px;
}

.manual-flow p {
  margin-top: 9px;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.65;
}

.manual-article > .promo-block {
  max-width: 1040px;
  margin: 72px auto 0;
}

@media (max-width: 960px) {
  .manual-hero-inner {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .manual-index-card {
    max-width: 680px;
  }
}

@media (max-width: 820px) {
  .manual-hero {
    padding-top: 52px;
    padding-bottom: 60px;
  }

  .manual-article {
    padding-top: 52px;
  }

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

  .manual-flow > div::after {
    top: auto;
    right: 24px;
    bottom: -13px;
  }
}

@media (max-width: 640px) {
  .manual-hero {
    padding-top: 40px;
    padding-bottom: 48px;
  }

  .manual-hero-inner {
    gap: 32px;
  }

  .manual-index-card {
    padding: 22px;
    border-width: 6px;
  }

  .manual-index-card h2 {
    font-size: 27px;
  }

  .manual-index-card li {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .manual-article {
    padding-top: 40px;
  }

  .manual-chapter {
    padding-top: 24px;
    padding-bottom: 44px;
  }

  .manual-chapter h2 {
    margin-bottom: 26px;
  }

  .manual-chapter h3 {
    margin-top: 34px;
  }

  .manual-glow {
    max-width: 100%;
  }
}