.req-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; }
@media (max-width: 1000px) {
  .req-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .req-grid { grid-template-columns: 1fr; }
}