.responsive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 8px;
}

.grid-item {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 20px;
  text-align: center;
  border-radius: 6px;
  font-weight: bold;
}

/* Tablet */
@media (min-width: 768px) {
  .responsive-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .responsive-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large Desktop */
@media (min-width: 1200px) {
  .responsive-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}