.diagnostic-hero {
  padding-top: clamp(44px, 7vw, 92px);
  padding-bottom: clamp(68px, 9vw, 116px);
}

.diagnostic-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  align-items: center;
  gap: clamp(42px, 7vw, 88px);
}

.diagnostic-hero__copy {
  max-width: 650px;
}

.diagnostic-accent {
  color: var(--color-brand);
}

.diagnostic-hero__copy .cluster {
  margin-top: 30px;
}

.diagnostic-hero__note {
  max-width: 610px;
  margin-top: 25px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.diagnostic-board {
  position: relative;
  padding: clamp(20px, 4vw, 34px);
  color: var(--color-ink);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-window);
  box-shadow: var(--shadow-near), var(--shadow-far);
  transform: rotate(1.5deg);
}

.diagnostic-board::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 18px -18px -20px 20px;
  background: var(--color-panel-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-window);
  box-shadow: var(--shadow-card);
}

.diagnostic-board__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
}

.diagnostic-board__head span:last-child {
  margin-left: auto;
  color: var(--color-ink-muted);
  font: 12px var(--font-mono);
}

.diagnostic-flow {
  display: grid;
  gap: 11px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.diagnostic-flow li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 13px;
  padding: 14px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-row);
}

.diagnostic-flow li > span {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  color: var(--color-brand-deep);
  background: var(--color-brand-soft);
  border-radius: var(--radius-sm);
  font: 700 12px var(--font-mono);
}

.diagnostic-flow strong,
.diagnostic-flow small {
  display: block;
}

.diagnostic-flow strong {
  margin-bottom: 2px;
  font-size: 14px;
}

.diagnostic-flow small {
  font-size: 12px;
  line-height: 1.55;
}

.diagnostic-board__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
}

.core-pill {
  display: inline-flex;
  max-width: 100%;
  padding: 6px 10px;
  overflow: hidden;
  color: var(--color-brand-deep);
  background: var(--color-brand-soft);
  border-radius: var(--radius-pill);
  font: 700 11px var(--font-mono);
}

.document-layout {
  display: grid;
  grid-template-columns: minmax(210px, 250px) minmax(0, 1fr);
  align-items: start;
  gap: clamp(36px, 6vw, 76px);
}

.document-layout .toc {
  top: calc(var(--header-height) + 18px);
}

.document-layout .toc-links {
  display: grid;
  gap: 3px;
}

.document-layout .toc a {
  width: 100%;
}

.diagnostic-prose {
  max-width: 820px;
}

.diagnostic-prose > section {
  padding-bottom: clamp(72px, 9vw, 112px);
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.diagnostic-prose > section:last-child {
  padding-bottom: 0;
}

.diagnostic-prose > section + section {
  padding-top: clamp(72px, 9vw, 112px);
  border-top: 1px solid var(--color-line);
}

.diagnostic-prose .badge {
  margin-bottom: 18px;
}

.diagnostic-prose h2 {
  margin-top: 0;
}

.diagnostic-prose h3 {
  padding-top: 4px;
}

.diagnostic-prose p,
.diagnostic-prose li {
  color: var(--color-ink-muted);
}

.diagnostic-prose strong,
.diagnostic-prose h2,
.diagnostic-prose h3 {
  color: var(--color-ink);
}

.diagnostic-prose .table-scroll,
.diagnostic-prose pre {
  margin-top: 26px;
  margin-bottom: 30px;
}

.diagnostic-prose .data-table {
  font-size: 14px;
}

@media (max-width: 980px) {
  .diagnostic-hero__inner {
    grid-template-columns: 1fr;
  }

  .diagnostic-board {
    max-width: 680px;
    transform: none;
  }

  .document-layout {
    grid-template-columns: 1fr;
  }

  .document-layout .toc {
    position: static;
  }

  .document-layout .toc-links {
    display: flex;
  }

  .document-layout .toc a {
    width: auto;
  }

  .diagnostic-prose {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .diagnostic-hero {
    padding-top: 34px;
    padding-bottom: 72px;
  }

  .diagnostic-hero__inner {
    gap: 46px;
  }

  .diagnostic-board {
    padding: 16px;
  }

  .diagnostic-board::before {
    inset: 12px -8px -12px 10px;
  }

  .diagnostic-flow li {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
    padding: 11px;
  }

  .diagnostic-flow li > span {
    width: 34px;
    height: 34px;
  }

  .document-layout {
    gap: 42px;
  }

  .diagnostic-prose > section {
    padding-bottom: 72px;
  }

  .diagnostic-prose > section + section {
    padding-top: 72px;
  }
}