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

header {
    background-color: #333;
    color: white;
    padding: 20px 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1.2em;
}

nav ul li a:hover {
    text-decoration: underline;
}

.promotion {
    text-align: center;
    padding: 30px;
    background-color: #f4f4f4;
    border-bottom: 2px solid #ddd;
}

.promotion img {
    max-width: 100%;
    height: auto;
}

.products {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: 40px;
    margin: 40px;
}

.product {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin: 10px;
    padding: 10px;
    text-align: center;
    width: 400px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.product img {
    max-width: 100%;
    height: auto;
    border-bottom: 1px solid #ddd;
    margin-bottom: 10px;
}

.product h2 {
    font-size: 1em;
    margin: 10px 0;
    color: #333;
}

.sizes {
    display: flex;
    justify-content: center;
    margin: 10px 0;
}

.sizes button {
    background-color: #fff;
    border: 1px solid #ddd;
    margin: 0 5px;
    padding: 5px 10px;
    cursor: pointer;
}

.sizes button:hover {
    background-color: #f4f4f4;
}

.add-to-cart {
    background-color: #333;
    border: none;
    color: white;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.add-to-cart:hover {
    background-color: #555;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 20px;
}

footer p {
    margin: 0;
    font-size: 0.9em;
}

footer .social-links {
    margin-top: 10px;
}

footer .social-links a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s;
}

footer .social-links a:hover {
    color: #ddd;
}

/* Медіа-запити для адаптивної верстки */

/* Планшетна версія (ширина екрану від 768px до 1024px) */
@media (max-width: 1024px) {
    nav ul {
        flex-direction: column;
    }

    nav ul li {
        margin: 10px 0;
    }

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

    .product {
        width: 80%;
        margin: 20px 0;
    }
}

/* Мобільна версія (ширина екрану до 767px) */
@media (max-width: 767px) {
    header {
        padding: 10px 0;
    }

    nav ul {
        flex-direction: column;
    }

    nav ul li {
        margin: 10px 0;
    }

    .promotion {
        padding: 20px;
    }

    .products {
        flex-direction: column;
        align-items: center;
        padding: 20px;
        margin: 20px;
    }

    .product {
        width: 90%;
        margin: 20px 0;
    }

    .sizes {
        flex-direction: column;
    }

    .sizes button {
        margin: 5px 0;
    }
}