body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background-color: #f9f9f9;
    color: #333;
}

.header {
    background: linear-gradient(135deg, #007acc, #005b99);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #f0f0f0;
}

.search-bar {
    padding: 0.7rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    width: 250px;
    outline: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.search-bar:focus {
    border: 2px solid #007acc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.product {
    background-color: #fff;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    border: 2px solid transparent;
    overflow: hidden;
}

.product:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    background-color: #f1f1f1;
    border-color: #007acc;
}

.product img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    transition: transform 0.3s ease;
}

.product:hover img {
    transform: scale(1.05);
}

.product h3 {
    margin-top: 1rem;
    font-size: 1.2rem;
    color: #007acc;
    font-weight: bold;
}

.product p {
    color: #555;
    font-size: 0.9rem;
}

.buy-now-btn {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.buy-now-btn:hover {
    background-color: #218838;
    transform: scale(1.05);
}

.footer {
    background: linear-gradient(135deg, #007acc, #005b99);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.1);
}

.footer h2 {
    color: #f7f7f7;
    font-size: 1.5rem;
}

.footer p {
    color: #ddd;
}

.footer a {
    color: #28a745;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #218838;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        font-size: 1.6rem;
    }

    .search-bar {
        font-size: 0.9rem;
        padding: 0.6rem;
        width: 200px;
    }

    .product-grid {
        grid-template-columns: 1fr 1fr;
    }

    .container {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.4rem;
    }

    .search-bar {
        font-size: 0.8rem;
        padding: 0.5rem;
        width: 180px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }
}