.deepdoc-hero {
  padding-top: 72px;
  padding-bottom: 54px;
  border-bottom: 1px solid var(--color-border);
}

.deepdoc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(290px, .75fr);
  align-items: end;
  gap: 52px;
}

.deepdoc-intro {
  min-width: 0;
}

.deepdoc-intro .eyebrow {
  margin-top: 24px;
  margin-bottom: 12px;
}

.deepdoc-intro h1 {
  max-width: 780px;
}

.deepdoc-intro .lead {
  max-width: 760px;
}

.deepdoc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.diagnostic-board {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.diagnostic-board-head {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 9px;
  padding-inline: 18px;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}

.diagnostic-path {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: diagnostic-step;
}

.diagnostic-path li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-border);
  counter-increment: diagnostic-step;
}

.diagnostic-path li:last-child {
  border-bottom: 0;
}

.diagnostic-path span {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
}

.diagnostic-path strong {
  min-width: 0;
  font-size: 14px;
}

.deepdoc-relation {
  max-width: 920px;
  margin-top: 38px;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.deepdoc-relation a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.deepdoc-body {
  width: 100%;
  max-width: calc(var(--reading-max) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.deepdoc-section {
  padding-top: 88px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--color-border);
}

.deepdoc-section:last-child {
  border-bottom: 0;
}

.section-marker {
  margin-bottom: 16px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .13em;
}

.deepdoc-section h2 {
  max-width: 720px;
  scroll-margin-top: calc(var(--toc-height) + 22px);
}

.deepdoc-section h3 {
  margin-top: 42px;
  padding-top: 8px;
}

.deepdoc-section p {
  margin-bottom: 19px;
}

.deepdoc-section .network-table-wrap {
  margin-block: 30px;
}

.deepdoc-section pre {
  margin-block: 24px;
}

.platform-check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-block: 28px;
}

.platform-check-grid article {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  box-shadow: var(--shadow-cell);
}

.platform-check-grid strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
}

.platform-check-grid p {
  margin-bottom: 0;
  font-size: 14px;
}

.ticket-template {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-block: 30px;
}

.ticket-template > div {
  min-width: 0;
  padding: 21px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.ticket-template span {
  display: block;
  margin-bottom: 8px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}

.ticket-template strong {
  display: block;
  margin-bottom: 8px;
}

.ticket-template p {
  margin-bottom: 0;
  font-size: 14px;
}

.deepdoc-end-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

@media (max-width: 900px) {
  .deepdoc-hero-grid {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 34px;
  }

  .diagnostic-board {
    max-width: 620px;
  }
}

@media (max-width: 640px) {
  .deepdoc-hero {
    padding-top: 48px;
    padding-bottom: 42px;
  }

  .deepdoc-links {
    flex-direction: column;
  }

  .deepdoc-links .button,
  .deepdoc-end-actions .button {
    width: 100%;
  }

  .diagnostic-path li {
    grid-template-columns: 54px minmax(0, 1fr);
    padding-inline: 14px;
  }

  .deepdoc-relation {
    margin-top: 30px;
  }

  .deepdoc-section {
    padding-top: 66px;
    padding-bottom: 28px;
  }

  .deepdoc-section h3 {
    margin-top: 34px;
  }

  .platform-check-grid,
  .ticket-template {
    grid-template-columns: 1fr;
  }

  .deepdoc-end-actions {
    flex-direction: column;
  }
}