.data-universe-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.data-universe-card {
  background: var(--panel);
  padding: 1.25rem;
  min-height: 310px;
  display: flex;
  flex-direction: column;
  transition: background .15s, border-color .15s;
  border-top: 2px solid transparent;
}

.data-universe-card:hover {
  background: var(--panel-lt);
  border-top-color: var(--signal);
}

.du-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--signal-bright);
  letter-spacing: .14em;
}

.data-universe-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
  line-height: 1.1;
  color: var(--ivory);
  margin: .7rem 0;
}

.du-question {
  font-size: 13px;
  color: var(--ivory-dim);
  line-height: 1.55;
  margin-bottom: .8rem;
}

.data-universe-card ul {
  list-style: none;
  margin: .4rem 0 1rem;
  padding: 0;
}

.data-universe-card li {
  font-size: 12px;
  color: var(--sage-lt);
  line-height: 1.55;
  border-bottom: 1px solid var(--rule);
  padding: .25rem 0;
}

.du-source {
  margin-top: auto;
  font-size: 11px;
  color: var(--sage);
  line-height: 1.5;
}

.du-status {
  display: inline-flex;
  width: fit-content;
  margin-top: .75rem;
  padding: 4px 8px;
  border: 1px solid var(--rule-strong);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--signal-bright);
}

.data-universe-card .dmc-link { margin-top: .8rem; }
.priority-intro { padding-bottom: 2rem; }

@media (max-width: 1100px) {
  .data-universe-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .data-universe-grid { grid-template-columns: 1fr; }
}