.ajax-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.ajax-posts-grid .post-card {
  background: #fff;
  border: 1px solid #ddd;
  padding: 1rem;
  border-radius: 8px;
  transition: box-shadow 0.3s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.ajax-posts-grid .post-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  margin-bottom: 10px;
  border-radius: 4px;
}

@media (max-width: 768px) {
  .ajax-posts-grid {
    grid-template-columns: 1fr;
  }

  .ajax-custom-title, .ajax-custom-desc {
    text-align: center;
    padding: 0 10px;
  }
}