* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body, html {
      font-family: 'Segoe UI', sans-serif;
      background: #f4f4f4;
      color: #333;
      line-height: 1.6;
    }

    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      margin: 100px auto;
      max-width: 1200px;
      padding: 0 1rem;
    }

    .product-card {
      background: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .product-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

    .product-info {
      padding: 1rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .product-name {
      font-size: 1.1rem;
      font-weight: bold;
      margin-bottom: 0.5rem;
      color: #333;
    }

    .product-description {
      font-size: 0.9rem;
      color: #666;
      margin-bottom: auto;
    }

    .product-price {
      font-size: 1rem;
      color: #007bff;
      font-weight: bold;
      margin: 1rem 0 0.5rem;
    }

    .add-to-cart {
      background-color: #28a745;
      color: #fff;
      border: none;
      padding: 0.6rem;
      border-radius: 4px;
      cursor: pointer;
      font-weight: bold;
      transition: background-color 0.3s;
    }

    .add-to-cart:hover {
      background-color: #218838;
    }

    @media (max-width: 992px) {
      .product-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 600px) {
      .product-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 480px) {
      .product-card img {
        height: 160px;
      }
    }