.deepdoc-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(64px, 9vw, 112px);
  padding-bottom: clamp(58px, 8vw, 96px);
  border-bottom: 1px solid var(--color-border-soft);
  background:
    linear-gradient(135deg, var(--color-transparent), var(--color-accent-soft), var(--color-transparent)),
    var(--color-bg);
}

.deepdoc-hero::before {
  position: absolute;
  top: 0;
  right: max(var(--gutter), calc((100% - var(--reading-width)) / 2));
  width: min(42vw, 420px);
  height: 100%;
  border-right: 1px solid var(--color-border-soft);
  border-left: 1px solid var(--color-border-soft);
  background:
    linear-gradient(var(--color-grid) 1px, var(--color-transparent) 1px),
    linear-gradient(90deg, var(--color-grid) 1px, var(--color-transparent) 1px);
  background-size: 34px 34px;
  content: "";
  opacity: 0.7;
  transform: skewX(-8deg);
}

.deepdoc-hero::after {
  position: absolute;
  right: 8%;
  bottom: -180px;
  width: 520px;
  height: 300px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-soft), var(--color-transparent) 70%);
  content: "";
}

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

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

.deepdoc-hero h1 {
  max-width: 680px;
  margin-bottom: 20px;
}

.deepdoc-hero .lead {
  max-width: 720px;
  margin-bottom: 26px;
}

.deepdoc-hero .chip-row {
  margin-bottom: 28px;
}

.deepdoc-hero .fact-strip {
  max-width: 100%;
}

.deepdoc-layout {
  padding-top: 28px;
  padding-bottom: var(--section-space);
}

.deepdoc-prose {
  padding-top: clamp(48px, 7vw, 84px);
}

.deepdoc-intro {
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

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

.deepdoc-prose section {
  padding-top: clamp(74px, 9vw, 108px);
  padding-bottom: 0;
  border-bottom: 1px solid var(--color-border-soft);
}

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

.deepdoc-prose section > h2 {
  position: relative;
  padding-top: 18px;
}

.deepdoc-prose section > h2::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-transparent));
  box-shadow: 0 0 12px var(--color-accent-glow);
  content: "";
}

.deepdoc-prose h3 {
  margin-top: 44px;
}

.deepdoc-prose p {
  margin-bottom: 20px;
  text-align: justify;
  text-justify: inter-ideograph;
}

.deepdoc-table-wrap {
  max-width: 100%;
  margin: 34px 0;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
  -webkit-overflow-scrolling: touch;
}

.deepdoc-table {
  min-width: 680px;
  margin: 0;
}

.deepdoc-table thead {
  background: var(--color-panel-deep);
}

.deepdoc-table th {
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.deepdoc-table td {
  font-size: 14px;
}

.deepdoc-table tbody tr:hover {
  background: var(--color-panel-raised);
}

.deepdoc-prose pre {
  margin: 30px 0;
}

.diagnostic-rail {
  display: grid;
  gap: 0;
  margin: 34px 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.diagnostic-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 22px;
}

.diagnostic-step + .diagnostic-step {
  border-top: 1px solid var(--color-border);
}

.diagnostic-step::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 41px;
  width: 1px;
  background: var(--color-border);
  content: "";
}

.diagnostic-step:first-child::after {
  top: 50%;
}

.diagnostic-step:last-child::after {
  bottom: 50%;
}

.diagnostic-mark {
  position: relative;
  z-index: 2;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  flex-shrink: 0;
  color: var(--color-bg);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 18px var(--color-accent-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.diagnostic-step strong {
  display: block;
  margin-bottom: 4px;
}

.diagnostic-step p {
  margin-bottom: 0;
  font-size: 14px;
}

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

@media (max-width: 768px) {
  .deepdoc-hero::before {
    display: none;
  }

  .deepdoc-hero::after {
    right: -180px;
    bottom: -150px;
    width: 420px;
    height: 260px;
  }

  .deepdoc-prose p {
    text-align: left;
  }

  .deepdoc-prose section {
    padding-top: 76px;
  }
}

@media (max-width: 640px) {
  .deepdoc-hero {
    padding-top: 48px;
    padding-bottom: 58px;
  }

  .deepdoc-layout {
    padding-top: 16px;
  }

  .deepdoc-prose {
    padding-top: 42px;
  }

  .deepdoc-intro {
    padding: 20px;
    border-radius: var(--radius-md);
  }

  .deepdoc-prose h3 {
    margin-top: 36px;
  }

  .deepdoc-table-wrap {
    margin: 28px 0;
    border-radius: var(--radius-sm);
  }

  .diagnostic-step {
    gap: 14px;
    padding: 18px;
  }

  .diagnostic-step::after {
    left: 35px;
  }

  .diagnostic-mark {
    width: 34px;
    height: 34px;
  }
}