.doc-hero {
  padding-top: 28px;
  padding-bottom: 42px;
}

.doc-hero-card {
  position: relative;
  min-width: 0;
  padding: 72px 48px 38px;
  overflow-x: clip;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-hero);
  background: var(--gradient-hero);
  box-shadow: var(--shadow-panel);
}

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

.doc-hero-glow::before {
  position: absolute;
  right: 12%;
  bottom: -52%;
  left: 12%;
  height: 98%;
  border-radius: var(--radius-pill);
  background: radial-gradient(closest-side, color-mix(in srgb, var(--color-accent) 28%, transparent), color-mix(in srgb, var(--color-gold) 10%, transparent), var(--color-transparent));
  content: "";
}

.doc-hero-glow::after {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(color-mix(in srgb, var(--color-lilac) 7%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--color-lilac) 7%, transparent) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  mask-image: linear-gradient(var(--color-deep), transparent);
}

.doc-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 920px;
  margin-inline: auto;
  text-align: center;
}

.doc-hero-copy h1 {
  margin-top: 18px;
}

.doc-hero-copy > p {
  max-width: 790px;
  margin: 20px auto 0;
  font-size: 18px;
}

.doc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 30px;
}

.protocol-strip {
  position: relative;
  z-index: 2;
  display: flex;
  max-width: 100%;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 54px;
}

.protocol-strip span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 5px 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-text) 7%, transparent);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.doc-article {
  position: relative;
  padding-bottom: 54px;
}

.doc-intro {
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-window);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.doc-intro p + p {
  margin-top: 16px;
}

.doc-intro a,
.doc-section a {
  color: var(--color-sky);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-sky) 48%, transparent);
  text-underline-offset: 4px;
}

.doc-article > .toc-tabs {
  margin-top: 28px;
}

.doc-section {
  padding-top: 86px;
  padding-bottom: 12px;
}

.chapter-kicker {
  margin-bottom: 10px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.doc-section > h2 {
  margin-bottom: 30px;
}

.doc-section > h3 {
  margin-top: 38px;
  margin-bottom: 13px;
  font-size: 24px;
}

.doc-section > p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.9;
}

.doc-section > p + p {
  margin-top: 15px;
}

.doc-section .callout,
.doc-section .table-scroll,
.doc-section .topology-cards,
.doc-section .diagnosis-flow,
.doc-section pre {
  margin-top: 30px;
  margin-bottom: 30px;
}

.protocol-table-wrap {
  margin-top: 28px;
}

.topology-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.topology-cards article {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}

.topology-cards h3 {
  margin-top: 15px;
  font-size: 19px;
}

.topology-cards p {
  margin-top: 10px;
  color: var(--color-muted);
  font-size: 14px;
}

.diagnosis-flow {
  display: grid;
  gap: 10px;
}

.diagnosis-flow > div {
  display: grid;
  min-width: 0;
  align-items: center;
  grid-template-columns: minmax(130px, 0.35fr) minmax(0, 1fr);
  gap: 18px;
  padding: 15px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.diagnosis-flow strong {
  color: var(--color-text);
}

.diagnosis-flow span {
  color: var(--color-muted);
}

.doc-summary {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  margin-top: 84px;
  padding: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-window);
  background: linear-gradient(120deg, var(--color-panel-raised), var(--color-panel));
  box-shadow: var(--shadow-panel);
}

.doc-summary h2 {
  margin-top: 15px;
  font-size: clamp(28px, 4vw, 40px);
}

.doc-summary p {
  max-width: 640px;
  margin-top: 12px;
}

.doc-summary-actions {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 14px;
}

.doc-summary-actions .btn {
  width: 100%;
}

@media (max-width: 900px) {
  .doc-hero-card {
    padding: 58px 30px 32px;
  }

  .topology-cards {
    grid-template-columns: 1fr;
  }

  .doc-summary {
    grid-template-columns: 1fr;
  }

  .doc-summary-actions {
    align-items: stretch;
    flex-direction: row;
  }
}

@media (max-width: 640px) {
  .doc-hero {
    padding-top: 18px;
    padding-bottom: 28px;
  }

  .doc-hero-card {
    padding: 42px 18px 24px;
  }

  .doc-hero-copy > p {
    font-size: 15px;
  }

  .doc-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .doc-hero-actions .btn {
    width: 100%;
  }

  .protocol-strip {
    margin-top: 38px;
  }

  .protocol-strip span {
    max-width: 100%;
    overflow: hidden;
  }

  .doc-intro {
    padding: 22px;
  }

  .doc-section {
    padding-top: 68px;
    padding-bottom: 8px;
  }

  .doc-section > h3 {
    margin-top: 32px;
    font-size: 21px;
  }

  .doc-section > p {
    line-height: 1.82;
  }

  .diagnosis-flow > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .doc-summary {
    margin-top: 64px;
    padding: 24px;
  }

  .doc-summary-actions {
    flex-direction: column;
  }
}