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

.deepdoc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  align-items: stretch;
  gap: 20px;
}

.deepdoc-intro {
  display: flex;
  min-height: 430px;
  flex-direction: column;
  justify-content: center;
  padding: 42px;
  border: 1px solid var(--color-white-45);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.deepdoc-intro h1 {
  max-width: 11em;
  margin-top: 22px;
  margin-bottom: 0;
}

.deepdoc-intro .lead {
  max-width: 44em;
  margin-top: 24px;
  margin-bottom: 0;
}

.deepdoc-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
}

.deepdoc-map {
  display: flex;
  min-height: 430px;
  flex-direction: column;
  justify-content: center;
  padding: 32px;
}

.deepdoc-map h2 {
  margin-top: 12px;
  margin-bottom: 24px;
  font-size: clamp(27px, 3vw, 38px);
}

.path-stack {
  display: grid;
  gap: 10px;
}

.path-step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 1px 12px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-small);
}

.path-step > span {
  display: grid;
  width: 38px;
  height: 38px;
  grid-row: 1 / 3;
  place-items: center;
  border-radius: var(--radius-pill);
  color: var(--color-panel);
  background: var(--color-text);
  font-family: var(--font-mono);
  font-weight: 800;
}

.path-step strong {
  line-height: 1.3;
}

.path-step small {
  color: var(--color-muted);
  line-height: 1.35;
}

.deepdoc-body {
  max-width: calc(var(--reading-max) + 300px);
  padding-top: 48px;
  padding-bottom: 72px;
}

.deepdoc-body .toc-tabs {
  margin-inline: auto;
}

.doc-section {
  padding-top: 28px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--color-border);
}

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

.doc-section > h2 {
  max-width: 18em;
  margin-top: 12px;
}

.doc-section > h3 {
  padding-top: 4px;
}

.doc-section > p,
.doc-section > h2,
.doc-section > h3,
.doc-section > .callout,
.doc-section > pre {
  max-width: var(--reading-max);
  margin-right: auto;
  margin-left: auto;
}

.doc-section > .eyebrow-accent {
  display: block;
  width: 100%;
  max-width: var(--reading-max);
  margin-right: auto;
  margin-left: auto;
}

.doc-section p {
  font-size: 17px;
  line-height: 1.82;
}

.doc-section .table-scroll {
  margin-top: 34px;
  margin-bottom: 34px;
}

.doc-section pre {
  margin-top: 28px;
  margin-bottom: 28px;
}

.dev-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  max-width: var(--reading-max);
  margin: 34px auto;
}

.dev-grid article {
  padding: 22px;
}

.dev-grid h3 {
  margin-top: 0;
  font-size: 20px;
}

.dev-grid p {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.65;
}

.diagnosis-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 34px;
  margin-bottom: 34px;
}

.diagnosis-flow div {
  position: relative;
  min-height: 142px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-small);
}

.diagnosis-flow div:nth-child(2) {
  background: var(--color-lavender);
}

.diagnosis-flow div:nth-child(3) {
  background: var(--color-peach);
}

.diagnosis-flow div:nth-child(4) {
  background: var(--color-mint);
}

.diagnosis-flow div:nth-child(5) {
  background: var(--color-butter);
}

.diagnosis-flow strong,
.diagnosis-flow span {
  display: block;
}

.diagnosis-flow strong {
  margin-bottom: 8px;
  font-size: 16px;
}

.diagnosis-flow span {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.55;
}

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

  .deepdoc-intro,
  .deepdoc-map {
    min-height: 0;
  }

  .diagnosis-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .diagnosis-flow div:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .deepdoc-intro,
  .deepdoc-map {
    padding: 26px 22px;
  }

  .deepdoc-intro h1 {
    margin-top: 18px;
  }

  .deepdoc-intro .lead {
    margin-top: 18px;
  }

  .deepdoc-body {
    padding-top: 34px;
    padding-bottom: 50px;
  }

  .doc-section {
    padding-top: 18px;
    padding-bottom: 34px;
  }

  .doc-section p {
    font-size: 16px;
    line-height: 1.75;
  }

  .dev-grid {
    grid-template-columns: 1fr;
  }

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

  .diagnosis-flow div:last-child {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  .deepdoc-links {
    align-items: stretch;
    flex-direction: column;
  }

  .deepdoc-links .btn {
    width: 100%;
  }

  .path-step {
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 10px;
  }

  .path-step > span {
    width: 34px;
    height: 34px;
  }
}