.deepdoc-hero {
  position: relative;
  overflow-x: clip;
  padding-top: 86px;
  padding-bottom: 86px;
  border-bottom: 1px solid var(--color-border);
}

.deepdoc-hero::before {
  position: absolute;
  top: 52px;
  right: -128px;
  width: 360px;
  height: 360px;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-pill);
  content: "";
  pointer-events: none;
}

.deepdoc-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(400px, 0.76fr);
  gap: 72px;
  align-items: center;
}

.deepdoc-hero-copy {
  position: relative;
  z-index: 2;
}

.deepdoc-hero-copy h1 {
  max-width: 740px;
  margin-top: 24px;
}

.deepdoc-hero-copy .lead {
  max-width: 700px;
  margin-top: 28px;
}

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

.deepdoc-facts {
  margin-top: 28px;
}

.decision-sheet {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 24px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  background: var(--color-panel-soft);
  box-shadow: var(--shadow-card);
}

.decision-sheet::before {
  position: absolute;
  top: -12px;
  right: 34px;
  width: 86px;
  border-top: 3px solid var(--color-warn);
  content: "";
}

.decision-sheet-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.decision-axis {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-height: 78px;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.decision-axis-label {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 760;
}

.decision-axis strong {
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.55;
}

.decision-result {
  display: flex;
  min-height: 90px;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  background: var(--color-accent);
  color: var(--color-white);
}

.decision-result .status-dot {
  width: 11px;
  height: 11px;
  background: var(--color-white);
}

.decision-result div {
  display: grid;
  gap: 6px;
}

.decision-result small {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.decision-result strong {
  font-size: 17px;
}

.deepdoc-document {
  padding-top: 64px;
  padding-bottom: var(--section-space);
}

.deepdoc-intro {
  max-width: 900px;
  margin-bottom: 36px;
  padding: 28px 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.deepdoc-intro p:last-child {
  margin-bottom: 0;
}

.deepdoc-intro a {
  color: var(--color-accent-dark);
  font-weight: 740;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.deepdoc-document > .toc-tabs {
  margin-bottom: 64px;
}

.deepdoc-prose {
  width: min(100%, 980px);
  margin-inline: auto;
}

.doc-chapter {
  position: relative;
  padding-top: 18px;
  padding-bottom: 82px;
}

.doc-chapter + .doc-chapter {
  border-top: 1px solid var(--color-border);
  padding-top: 82px;
}

.chapter-head {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 38px;
}

.chapter-head h2 {
  margin-bottom: 0;
}

.chapter-index {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 5px 12px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.04em;
}

.deepdoc-prose h3 {
  margin-top: 42px;
}

.deepdoc-prose h3:first-of-type {
  margin-top: 0;
}

.deepdoc-prose p {
  font-size: 17px;
}

.deepdoc-prose .table-scroll {
  margin-top: 30px;
  margin-bottom: 34px;
}

.capacity-matrix {
  display: grid;
  gap: 10px;
  margin: 30px 0;
}

.capacity-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 22px;
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.capacity-row strong {
  color: var(--color-accent-dark);
}

.capacity-row span {
  color: var(--color-text-muted);
  line-height: 1.65;
}

.risk-ledger {
  display: grid;
  margin: 32px 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.risk-ledger-item {
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-soft);
}

.risk-ledger-item strong {
  display: block;
  margin-bottom: 10px;
  color: var(--color-accent-dark);
  font-size: 18px;
}

.risk-ledger-item p {
  margin-bottom: 0;
  font-size: 14px;
}

.deepdoc-next {
  display: grid;
  margin-top: 26px;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  background: var(--color-black-soft);
  color: var(--color-white);
}

.deepdoc-next h2 {
  margin-top: 18px;
  color: var(--color-white);
  font-size: clamp(30px, 4vw, 46px);
}

.deepdoc-next p {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--color-panel-muted);
}

.deepdoc-next .eyebrow {
  border-color: var(--color-text-muted);
  background: var(--color-text);
  color: var(--color-panel-muted);
}

.deepdoc-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 980px) {
  .deepdoc-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
    gap: 38px;
  }

  .decision-sheet {
    padding: 18px;
  }

  .decision-axis {
    grid-template-columns: 50px minmax(0, 1fr);
    gap: 12px;
    padding: 13px;
  }

  .decision-axis-label {
    width: 44px;
    height: 44px;
  }

  .risk-ledger {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 800px) {
  .deepdoc-hero {
    padding-top: 62px;
    padding-bottom: 62px;
  }

  .deepdoc-hero::before {
    display: none;
  }

  .deepdoc-hero-grid {
    grid-template-columns: 1fr;
  }

  .decision-sheet {
    max-width: 620px;
  }

  .deepdoc-document {
    padding-top: 46px;
  }

  .deepdoc-document > .toc-tabs {
    margin-bottom: 52px;
  }

  .chapter-head {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .chapter-index {
    width: fit-content;
  }

  .doc-chapter {
    padding-bottom: 64px;
  }

  .doc-chapter + .doc-chapter {
    padding-top: 64px;
  }

  .deepdoc-next {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .deepdoc-hero {
    padding-top: 46px;
    padding-bottom: 50px;
  }

  .deepdoc-hero-actions .button {
    flex: 1 1 140px;
  }

  .decision-sheet-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .decision-axis {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .deepdoc-intro {
    padding: 22px 20px;
  }

  .deepdoc-prose p {
    font-size: 16px;
  }

  .capacity-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px;
  }

  .deepdoc-next {
    padding: 26px 22px;
  }

  .deepdoc-next-links {
    align-items: stretch;
    flex-direction: column;
  }

  .deepdoc-next-links .button {
    width: 100%;
  }
}