.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(12, 1fr);
  margin: 72px 0;
}

.card {
  grid-column: span 4;
  border: 1px solid var(--stroke);
  background: var(--card);
  border-radius: 18px;
  padding: 20px;
}

.card h3 { margin: 6px 0 8px }
.card p { color: var(--muted); margin: 0 }

@media (max-width: 900px) {
  .card { grid-column: span 6 }
}

@media (max-width: 640px) {
  .card { grid-column: span 12 }
}