.deepdoc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(90deg, transparent, var(--color-water-soft), transparent),
    var(--color-bg);
}

.deepdoc-hero::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  content: "";
  background: var(--color-accent-line);
}

.deepdoc-hero::after {
  position: absolute;
  top: 42px;
  right: max(var(--gutter), calc((100% - var(--content-max)) / 2));
  width: 180px;
  height: 180px;
  border: 1px dashed var(--color-accent-line);
  border-radius: var(--radius-pill);
  content: "";
  pointer-events: none;
}

.deepdoc-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: center;
  gap: clamp(36px, 7vw, 88px);
}

.deepdoc-intro {
  max-width: 48rem;
}

.deepdoc-intro h1 {
  max-width: 10em;
}

.deepdoc-intro .actions {
  margin: 30px 0 26px;
}

.deepdoc-relationship {
  max-width: 44rem;
  margin-bottom: 0;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 14px;
}

.deepdoc-relationship a {
  margin-inline: 0.25em;
  font-weight: 720;
}

.deepdoc-specimen {
  position: relative;
  padding: clamp(24px, 4vw, 38px);
  overflow: hidden;
  border: 1px solid var(--color-accent);
  border-top: 6px solid var(--color-error);
  border-radius: var(--radius-small);
  background:
    linear-gradient(180deg, var(--color-water-soft), transparent),
    var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.deepdoc-specimen::after {
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 110px;
  height: 110px;
  border: 1px solid var(--color-accent-line);
  border-radius: var(--radius-pill);
  content: "";
}

.specimen-mark {
  display: block;
  margin-bottom: 22px;
  color: var(--color-error);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.deepdoc-specimen h2 {
  margin-bottom: 24px;
  font-size: clamp(27px, 3vw, 36px);
}

.deepdoc-specimen dl {
  margin-bottom: 24px;
}

.deepdoc-specimen dl > div {
  display: grid;
  grid-template-columns: minmax(98px, 0.7fr) minmax(0, 1.3fr);
  padding: 13px 0;
  border-top: 1px solid var(--color-border);
  gap: 14px;
}

.deepdoc-specimen dt {
  color: var(--color-accent-dark);
  font-size: 13px;
  font-weight: 760;
}

.deepdoc-specimen dd {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
}

.deepdoc-specimen .fact-row {
  position: relative;
  z-index: 1;
  justify-content: flex-start;
}

.deepdoc-article {
  position: relative;
}

.deepdoc-article > .wrap {
  padding-top: 30px;
}

.deepdoc-article .toc-tabs {
  margin-bottom: 0;
}

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

.deepdoc-article .reading-wrap {
  position: relative;
}

.deepdoc-article .reading-wrap::before {
  position: absolute;
  top: 0;
  left: var(--gutter);
  width: 42px;
  height: 4px;
  content: "";
  background: var(--color-error);
}

.deepdoc-article .eyebrow {
  margin-top: 26px;
}

.deepdoc-article .prose h2 {
  margin-top: 0;
}

.deepdoc-article .prose h3 {
  padding-top: 0.35em;
  border-top: 1px solid var(--color-border);
}

.deepdoc-article .prose p {
  color: var(--color-text);
}

.deepdoc-article .prose p + p {
  margin-top: -0.2em;
}

.deepdoc-table-wrap {
  max-width: 100%;
  margin: 30px 0;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-bg);
  box-shadow: 0 8px 0 var(--color-accent-soft);
  -webkit-overflow-scrolling: touch;
}

.deepdoc-table {
  min-width: 700px;
  margin-bottom: 0;
  border: 0;
}

.deepdoc-table td:first-child {
  color: var(--color-accent-dark);
  font-weight: 740;
}

.deepdoc-article pre {
  margin-top: 26px;
  margin-bottom: 30px;
}

.deepdoc-article .check-list {
  margin: 30px 0;
}

.deepdoc-article .check-list ul {
  margin-bottom: 0;
  padding-left: 1.2em;
}

.deepdoc-article .verdict {
  margin-top: 32px;
  margin-bottom: 32px;
}

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

  .deepdoc-specimen {
    max-width: 40rem;
  }

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

@media (max-width: 640px) {
  .deepdoc-hero::before {
    display: none;
  }

  .deepdoc-intro .actions {
    margin-top: 24px;
  }

  .deepdoc-specimen dl > div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .deepdoc-article > .wrap {
    padding-top: 18px;
  }

  .deepdoc-article .reading-wrap::before {
    left: var(--gutter);
  }

  .deepdoc-table {
    min-width: 640px;
  }
}