:root {
  --deepdoc-hero-space-top: clamp(64px, 8vw, 112px);
  --deepdoc-hero-space-bottom: clamp(52px, 7vw, 88px);
  --deepdoc-shell-gap: clamp(34px, 6vw, 72px);
  --deepdoc-section-gap: clamp(72px, 9vw, 112px);
  --deepdoc-copy-size: 16px;
  --deepdoc-copy-leading: 1.9;
  --deepdoc-lead-size: clamp(18px, 2.2vw, 22px);
  --deepdoc-rule-width: 72px;
  --deepdoc-card-min: 210px;
  --deepdoc-card-padding: clamp(20px, 3vw, 28px);
}

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

.deepdoc-hero::after {
  position: absolute;
  right: -12%;
  bottom: -42%;
  width: min(620px, 72vw);
  height: min(520px, 62vw);
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-haze), var(--color-accent-haze-soft) 48%, var(--color-transparent) 72%);
  content: "";
  pointer-events: none;
}

.deepdoc-hero .reading-wrap {
  position: relative;
  z-index: 1;
}

.deepdoc-hero .badge {
  margin-bottom: 22px;
}

.deepdoc-hero h1 {
  max-width: 850px;
  margin-bottom: 24px;
}

.deepdoc-lead {
  max-width: var(--reading-max);
  margin-bottom: 24px;
  color: var(--color-text-muted);
  font-size: var(--deepdoc-lead-size);
  line-height: 1.7;
}

.deepdoc-facts {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.deepdoc-relation {
  max-width: var(--reading-max);
  margin-top: 28px;
  border-left: 1px solid var(--color-accent);
  padding-left: 18px;
  color: var(--color-text-muted);
  font-size: 14px;
}

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

.deepdoc-shell {
  padding-top: 32px;
  padding-bottom: var(--section-space);
}

.deepdoc-shell > .toc-tabs {
  margin-bottom: var(--deepdoc-shell-gap);
}

.deepdoc-body {
  width: 100%;
  max-width: var(--reading-max);
  margin-inline: auto;
  color: var(--color-text-muted);
  font-size: var(--deepdoc-copy-size);
  line-height: var(--deepdoc-copy-leading);
}

.doc-section {
  padding-top: var(--deepdoc-section-gap);
}

.doc-section:first-child {
  padding-top: 24px;
}

.doc-section + .doc-section {
  border-top: 1px solid var(--color-border);
  margin-top: var(--deepdoc-section-gap);
}

.doc-section > .eyebrow {
  position: relative;
  padding-left: calc(var(--deepdoc-rule-width) + 14px);
}

.doc-section > .eyebrow::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: var(--deepdoc-rule-width);
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-transparent));
  content: "";
}

.doc-section h2 {
  margin-bottom: 28px;
}

.doc-section h3 {
  margin-top: 42px;
  margin-bottom: 14px;
  font-size: clamp(21px, 2.4vw, 27px);
}

.doc-section p {
  margin-bottom: 22px;
}

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

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

.decision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(var(--deepdoc-card-min), 1fr));
  gap: 14px;
  margin-top: 36px;
  margin-bottom: 36px;
}

.decision-card {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  padding: var(--deepdoc-card-padding);
}

.decision-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  color: var(--color-accent);
  font-size: 19px;
}

.decision-card p {
  margin-bottom: 0;
  font-size: 14px;
}

@media (max-width: 768px) {
  .deepdoc-hero {
    padding-top: 52px;
    padding-bottom: 56px;
  }

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

  .deepdoc-facts .fact-pill {
    justify-content: center;
  }

  .deepdoc-shell {
    padding-top: 22px;
  }

  .doc-section {
    padding-top: 64px;
  }

  .doc-section + .doc-section {
    margin-top: 64px;
  }

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

@media (max-width: 480px) {
  .deepdoc-body {
    font-size: 15px;
    line-height: 1.85;
  }

  .doc-section > .eyebrow {
    padding-left: 0;
  }

  .doc-section > .eyebrow::before {
    display: none;
  }

  .deepdoc-relation {
    padding-left: 14px;
  }
}