.grid13{
  margin-top: 14px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.dim{
  -webkit-tap-highlight-color: transparent;
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: #FBFDFF;
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}
.dim b{
  display:block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.dim span{
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.dim:hover {
  background: var(--iecs-celeste);
  border-color: #CDE6F6;
  box-shadow: 0 3px 8px rgba(8, 43, 76, 0.08);
  transform: translateY(-1px);
}

.dim:focus-visible {
  outline: 2px solid var(--iecs-azul);
  outline-offset: 2px;
}

@media (max-width: 800px) {
  .grid13{ grid-template-columns: 1fr; }
  .dimension-row {
    grid-template-columns: 1fr;
  }
}