* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Arial', sans-serif;
    }

    header {
        background-color: #ffffff;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
    }

    nav {
        max-width: 1200px;
        margin: 0 auto;
        padding: 1rem;
        display: flex;
        justify-content: space-between;
        justify-content: space-between;
        align-items: center;
    }

    .logo {
        font-size: 1.5rem;
        font-weight: bold;
        color: #333;
    }

    .nav-links {
        display: flex;
        gap: 2rem;
    }

    .nav-links a {
        text-decoration: none;
        color: #333;
        font-weight: 500;
        transition: color 0.3s;
    }

    .nav-links a:hover {
        color: #007BFF;
    }

    /* Hero Section */
    .hero {
        height: 500px;
        background-color: #f5f5f5;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 60px;
    }

    .hero-content {
        text-align: center;
        padding: 2rem;
    }

    .hero h1 {
        font-size: 3rem;
        margin-bottom: 1rem;
        color: #333;
    }

    .hero p {
        font-size: 1.2rem;
        color: #666;
        margin-bottom: 2rem;
    }

    .cta-button {
        padding: 1rem 2rem;
        background-color: #333;
        color: white;
        text-decoration: none;
        border-radius: 5px;
        font-weight: bold;
        transition: background-color 0.3s;
    }

    .cta-button:hover {
        background-color: #007BFF;
    }

    .products {
        max-width: 1200px;
        margin: 4rem auto;
        padding: 0 1rem;
    }

    .products h2 {
        text-align: center;
        margin-bottom: 2rem;
        font-size: 2rem;
        color: #333;
    }

    .product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 2rem;
    }

    .product-card {
        border: 1px solid #eee;
        border-radius: 8px;
        overflow: hidden;
        transition: transform 0.2s, box-shadow 0.2s;
    }

    .product-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .product-image {
        width: 100%;
        height: 200px;
        background-color: #f5f5f5;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #999;
    }

    .product-info {
        padding: 1rem;
    }

    .product-info h3 {
        margin-bottom: 0.5rem;
        color: #333;
    }

    .price {
        font-weight: bold;
        color: #666;
        margin-bottom: 1rem;
    }

    .add-to-cart {
        width: 100%;
        padding: 0.8rem;
        background-color: #333;
        color: white;
        border: none;
        border-radius: 4px;
        cursor: pointer;
        transition: all 0.3s ease-in-out;
    }

    .add-to-cart:hover {
        background-color: #007BFF;
        transform: translateY(-2px);
        animation: smooth-glow 2s infinite;
    }

    @keyframes smooth-glow {
        0% {
            box-shadow: 0 0 5px rgba(0, 123, 255, 0.2),
                0 0 10px rgba(0, 123, 255, 0.1);
        }

        50% {
            box-shadow: 0 0 10px rgba(0, 123, 255, 0.4),
                0 0 20px rgba(0, 123, 255, 0.2);
        }

        100% {
            box-shadow: 0 0 5px rgba(0, 123, 255, 0.2),
                0 0 10px rgba(0, 123, 255, 0.1);
        }
    }

    .add-to-cart:disabled {
        background-color: #ccc;
        cursor: not-allowed;
        animation: none;
    }

    .add-to-cart:disabled:hover {
        transform: none;
        box-shadow: none;
    }

    footer {
        background-color: #333;
        color: white;
        padding: 3rem 1rem;
    }

    .footer-content {
        max-width: 1200px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 2rem;
    }

    .footer-section h3 {
        margin-bottom: 1rem;
    }

    .footer-section ul {
        list-style: none;
    }

    .footer-section ul li {
        margin-bottom: 0.5rem;
    }

    .footer-section a {
        color: white;
        text-decoration: none;
        transition: color 0.3s;
    }

    .footer-section a:hover {
        color: #007BFF;
    }


    @media (max-width: 768px) {
        .nav-links {
            display: none;
        }

        .hero h1 {
            font-size: 2rem;
        }

        .hero p {
            font-size: 1rem;
        }
    }

    .out-of-stock {
        opacity: 0.7;
    }

    .stock-status {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }

    .in-stock {
        color: #28a745;
    }

    .low-stock {
        color: #ffc107;
    }

    .out-of-stock {
        color: #dc3545;
    }