body {
    margin: 0;
    font-family: "DM Sans", sans-serif;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background: rgb(215,215,215);
    background: linear-gradient(0deg, rgba(215,215,215,1) 0%, rgba(255,255,255,1) 100%);
    color: #000;
    padding: 1rem 0;
    position: -webkit-sticky; /* Safari */
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

nav ul li {
    margin: 0 0.3rem;
}

nav ul li a {
    color: #000;
    text-decoration: none;
    font-size: larger;
}

.product-detail {
    display: flex;
    flex-wrap: wrap;
    padding: 2rem;
    justify-content: center;
    background-color: #e6e6e6;
}

.product-image {
    flex: 1;
    max-width: 500px;
    margin: 1rem;
}

.product-image img {
    width: 100%;
    height: auto;
    border: 1px solid #ddd;
}

.product-info {
    flex: 2;
    max-width: 600px;
    margin: 1rem;
}

.product-info h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.product-info .price {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.product-info .description {
    margin-bottom: 1.5rem;
}

.tabs {
    display: flex;
    margin-bottom: 1rem;
}

.tablink {
    background-color: #f1f1f1;
    color: #333;
    padding: 1rem;
    border: none;
    cursor: pointer;
    flex: 1;
    text-align: center;
    transition: background-color 0.3s;
}

.tablink:hover {
    background-color: #ddd;
}

.tablink.active {
    background-color: #ccc;
}

.tabcontent {
    display: none;
}

.tabcontent.active {
    display: block;
}

.buy-button {
    background-color: #9f2427;
    color: white;
    border: none;
    padding: 1rem 2rem;
    text-align: center;
    cursor: pointer;
    font-size: 1rem;
    margin: 1rem 0;
    transition: background-color 0.3s;
}

.buy-button:hover {
    background-color: #e2232a;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    width: 100%;
}

@media (max-width: 768px) {
    .product-detail {
        flex-direction: column;
        align-items: center;
    }

    .product-image, .product-info {
        max-width: 90%;
    }
}