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

    body {
        background-color: #f9f9f9;
        color: #333;
    }

    header {
        background-color: #ffffff;
        padding: 20px 40px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .menu-toggle {
        display: none;
        background-color: transparent;
        border: none;
    }

    header .logo {
        cursor: pointer;
        font-size: 24px;
        font-weight: bold;
        color: #444;
    }

    nav a {
        margin-left: 25px;
        text-decoration: none;
        color: #555;
        font-size: 16px;
        position: relative;
        transition: color 0.3s;
    }

    nav a::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0%;
        height: 2px;
        background-color: #007b8f;
        transition: width 0.3s ease-in-out;
    }

    nav a:hover {
        color: #007b8f;
    }

    nav a:hover::after {
        width: 100%;
    }

    .main-banner {
        padding: 60px 40px;
        background: #fefefe;
        text-align: center;
    }

    .main-banner h1 {
        font-size: 36px;
        margin-bottom: 10px;
    }

    .main-banner p {
        font-size: 18px;
        color: #777;
    }



    /* Product card */
    .product-card {
        cursor: pointer;
        width: 360px;
        position: relative;
        background: white;
        border-radius: 20px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
        overflow: hidden;
        transition: transform 0.4s ease, box-shadow 0.4s ease;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        margin: 30px auto;
    }

    .product-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    }

    .product-badge {
        position: absolute;
        top: 15px;
        right: 15px;
        background: linear-gradient(45deg, #18181B, #27272A);
        color: white;
        padding: 6px 12px;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 1px;
        text-transform: uppercase;
        border-radius: 12px;
        z-index: 10;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .product-tilt-effect {
        overflow: hidden;
        transform-style: preserve-3d;
        perspective: 1000px;
    }

    .product-image {
        height: 240px;
        overflow: hidden;
        position: relative;
    }

    .product-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
    }

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

    .product-info {
        padding: 25px;
        position: relative;
    }

    .product-category {
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 1px;
        text-transform: uppercase;
        color: #71717A;
        margin-bottom: 8px;
    }

    .product-title {
        font-size: 20px;
        font-weight: 700;
        color: #18181B;
        margin: 0 0 12px 0;
        letter-spacing: -0.5px;
        line-height: 1.2;
    }

    .product-description p {
        font-size: 14px;
        color: #52525B;
        line-height: 1.5;
        margin-bottom: 15px;
    }

    .product-features {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 20px;
    }

    .feature {
        font-size: 11px;
        background-color: #F4F4F5;
        color: #71717A;
        padding: 4px 10px;
        border-radius: 12px;
        font-weight: 500;
    }

    .product-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 15px;
    }

    .product-price {
        display: flex;
        flex-direction: column;
    }

    .price-was {
        font-size: 14px;
        text-decoration: line-through;
        color: #A1A1AA;
        margin-bottom: 2px;
    }

    .price-now {
        font-size: 22px;
        font-weight: 700;
        color: #18181B;
    }

    .product-button {
        background: linear-gradient(45deg, #18181B, #27272A);
        color: white;
        border: none;
        border-radius: 12px;
        padding: 10px 18px;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 8px;
        transition: all 0.3s ease;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        position: relative;
        overflow: hidden;
    }

    .product-button::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        transition: all 0.6s ease;
    }

    .product-button:hover {
        background: linear-gradient(45deg, #27272A, #3F3F46);
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    }

    .product-button:hover::before {
        left: 100%;
    }

    .button-icon {
        transition: transform 0.3s ease;
    }

    .product-button:hover .button-icon {
        transform: rotate(-10deg) scale(1.1);
    }

    .product-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid #F4F4F5;
        padding-top: 15px;
    }

    .product-rating {
        display: flex;
        align-items: center;
        gap: 2px;
    }

    .rating-count {
        margin-left: 8px;
        font-size: 12px;
        color: #71717A;
    }

    .product-stock {
        font-size: 12px;
        font-weight: 600;
        color: #22C55E;
    }

    /* Contact form */

    .contact-form {
        background: #ffffff;
        padding: 40px;
        max-width: 600px;
        margin: 40px auto;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .contact-form h2 {
        text-align: center;
        margin-bottom: 20px;
        color: #444;
    }

    .contact-form form {
        display: flex;
        flex-direction: column;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 10px;
        margin-bottom: 15px;
        border: 1px solid #ccc;
        border-radius: 6px;
        font-size: 14px;
    }

    .contact-form button {
        padding: 10px;
        background-color: #007b8f;
        color: white;
        border: none;
        border-radius: 6px;
        font-size: 16px;
        cursor: pointer;
        transition: background-color 0.3s;
    }

    .contact-form button:hover {
        background-color: #005f75;
    }


    /* Footer */
    footer {
        background-color: #f9f9f9;
        color: #555;
        padding: 30px 20px;
        text-align: center;
        font-size: 14px;
        border-top: 1px solid #ddd;
    }

    .footer-content {
        max-width: 800px;
        margin: 0 auto;
    }

    .social-links {
        margin-top: 15px;
    }

    .social-links a {
        margin: 0 10px;
        text-decoration: none;
        color: #007b8f;
        font-size: 18px;
        transition: color 0.3s;
    }

    .social-links a:hover {
        color: #005f75;
        transform: scale(1.1);
    }

    /* Responsive nav style */
    .side-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100%;
        background-color: #fff;
        padding: 80px 30px;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        display: flex;
        flex-direction: column;
        gap: 20px;
        transition: right 0.3s ease;
        z-index: 100;
    }

    .side-nav.open {
        right: 0;
    }

    .close-btn {
        position: absolute;
        top: 20px;
        right: 25px;
        font-size: 24px;
        background: none;
        border: none;
        color: #444;
        cursor: pointer;
    }

    .side-nav a {
        margin-left: 25px;
        text-decoration: none;
        color: #555;
        font-size: 16px;
        position: relative;
        transition: color 0.3s;
    }






    /* Responsive design starts here! */
    @media (max-width: 400px) {
        .product-card {
            width: 90%;
        }

        .product-title {
            font-size: 18px;
        }

        .product-image {
            height: 200px;
        }

        .product-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 15px;
        }

        .product-price {
            margin-bottom: 5px;
        }

        .product-button {
            width: 100%;
            justify-content: center;
        }
    }


    @media (max-width: 768px) {
        header {
            align-items: center;
            justify-content: space-between;
        }

        nav {
            display: none;
        }

        .menu-toggle {
            display: block;
        }

        .categories {
            flex-direction: column;
            align-items: center;
        }

        .category-box {
            width: 90%;
        }
    }

    .container {
        display: flex;
        flex-wrap: wrap;
    }