.lanes-section {
  padding: 72px 0 78px;
  border-top: 1px solid var(--line);
  background: #f9fafb;
}

.lanes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.lane-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.lane-card h3 {
  margin: 0;
  font-size: 1.3rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.lane-card > p:not(.record-stage) {
  margin: 12px 0 20px;
  color: var(--muted);
}

.lane-card .text-link {
  margin-top: auto;
}

.publication-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin-top: 20px;
  color: var(--muted);
  font-size: .82rem;
}

.publication-meta span + span::before {
  content: "·";
  margin-right: 18px;
  color: #9aa5ab;
}

.lineage-kicker {
  margin: -18px 0 38px;
  font-size: .9rem;
}

.lineage-kicker a {
  color: var(--text);
  text-decoration: none;
}

.lineage-kicker a:hover {
  color: var(--accent);
}

.lineage-kicker span:first-child {
  margin-right: 4px;
  color: var(--accent);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.source-lineage {
  margin: 0 0 54px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.source-lineage h2 {
  margin: 0;
  font-size: clamp(1.55rem, 2.7vw, 2.05rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.source-lineage-grid {
  display: grid;
  grid-template-columns: minmax(160px, .45fr) minmax(0, 1.55fr);
  gap: 12px 28px;
  margin-top: 18px;
}

.source-lineage-grid dt {
  color: var(--muted);
  font-size: .82rem;
  font-weight: 700;
}

.source-lineage-grid dd {
  min-width: 0;
  margin: 0;
}

.source-lineage code {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.metric-guide {
  margin: 0 0 64px;
}

.metric-guide-head {
  max-width: 780px;
  margin-bottom: 22px;
}

.metric-guide-head h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.028em;
}

.metric-guide-head p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
}

.metric-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.metric-guide-item {
  padding: 18px 20px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.metric-guide-item h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.35;
}

.metric-guide-item p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: .93rem;
  line-height: 1.55;
}

.evidence-files {
  margin: 68px 0 34px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f9fafb;
}

.evidence-files-heading {
  max-width: 790px;
  margin-bottom: 22px;
}

.evidence-files-heading h2 {
  margin: 0;
  font-size: clamp(1.6rem, 2.8vw, 2.15rem);
  line-height: 1.15;
  letter-spacing: -0.026em;
}

.evidence-files-heading p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
}

.evidence-file-list {
  border-top: 1px solid var(--line);
}

.evidence-file-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, .75fr);
  gap: 24px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
}

.evidence-file-row:hover strong {
  color: var(--accent);
}

.evidence-file-copy,
.evidence-file-hash {
  min-width: 0;
}

.evidence-file-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.evidence-file-copy small,
.evidence-file-hash small {
  color: var(--muted);
  line-height: 1.45;
}

.evidence-file-hash {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
  text-align: right;
}

.evidence-file-hash code {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  font-size: .72rem;
}

.case-lineage-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 34px 0 8px;
}

.case-lineage-link {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.case-lineage-link > span {
  color: var(--accent);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.case-lineage-link strong {
  font-size: 1.05rem;
}

.case-lineage-link small {
  color: var(--muted);
  line-height: 1.45;
}

.case-lineage-link:hover strong {
  color: var(--accent);
}

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

@media (max-width: 700px) {
  .lanes-section {
    padding-top: 54px;
    padding-bottom: 58px;
  }

  .metric-guide-grid,
  .source-lineage-grid,
  .evidence-file-row {
    grid-template-columns: 1fr;
  }

  .source-lineage-grid {
    gap: 4px;
  }

  .source-lineage-grid dd + dt {
    margin-top: 12px;
  }

  .publication-meta {
    flex-direction: column;
    gap: 2px;
  }

  .publication-meta span + span::before {
    content: none;
  }

  .lineage-kicker {
    margin-top: -12px;
  }

  .evidence-files {
    padding: 22px;
  }

  .evidence-file-row {
    gap: 9px;
  }

  .evidence-file-hash {
    align-items: flex-start;
    text-align: left;
  }
}