@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@300;400;500;700&display=swap');

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

a {
    text-decoration: none;
    color: #000;
}

img {
    object-fit: cover;
}

body {
    background-color: #f1f1f1;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInAnimation 1s ease-out forwards;
}

@keyframes fadeInAnimation {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

nav {
    padding: 0 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

nav a.logo {
    font-size: 33px;
    color: #800000; /* Dark maroon */
    font-weight: 600;
}

nav .links a:not(:last-child) {
    margin-right: 20px;
}

nav .login button {
    padding: 8px 14px;
    border: none;
    cursor: pointer;
    background-color: transparent;
}

nav .login button.signup {
    background-color: #000;
    color: #fff;
    border-radius: 4px;
    margin-right: 14px;
}

header {
    padding: 0 80px;
    height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header .left {
    width: 700px;
}

header .left h1 {
    font-size: 80px;
}

header .left h1 span {
    color: #800000; /* Dark maroon */
}

header .left p {
    margin: 40px 0;
    color: #777;
}

header .left a {
    display: flex;
    align-items: center;
    background: #000;
    width: 200px;
    padding: 8px;
    border-radius: 60px;
}

header .left a i {
    background-color: #fff;
    font-size: 24px;
    border-radius: 50%;
    padding: 8px;
}

header .left a span {
    color: #fff;
    margin-left: 10px;
}

header img {
    width: 600px;
}

h2.separator {
    padding: 0 80px;
    font-size: 40px;
    margin-top: 40px;
}

.sell-nft {
    padding: 0 80px;
    margin: 50px 0 80px;
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.sell-nft .item,
.nft-shop .nft-list .item {
    padding: 20px;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.sell-nft .item:hover,
.nft-shop .nft-list .item:hover,
.sellers .item:hover {
    box-shadow: none;
}

.sell-nft .item .header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sell-nft .item .header i {
    font-size: 40px;
}

.sell-nft .item .header h5 {
    font-size: 17px;
}

.sell-nft .item p {
    margin-top: 10px;
    padding: 0 4px;
}

.nft-shop {
    padding: 0 80px;
    margin-top: 30px;
}

.nft-shop .category {
    display: flex;
    gap: 14px;
}

.nft-shop .category a {
    background-color: #dfdcdc;
    padding: 8px 14px;
    font-size: 15px;
    border-radius: 14px;
    transition: all 0.3s ease;
}

.nft-shop .category a:hover {
    color: #fff;
    background-color: #800000; /* Dark maroon */
}

.nft-shop .nft-list {
    padding: 40px 0;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.nft-shop .nft-list .item img {
    width: 280px;
    height: 280px;
    border-radius: 18px;
}

.nft-shop .nft-list .item .info {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #edecec;
}

.nft-shop .nft-list .item .info h5 {
    font-size: 18px;
}

.nft-shop .nft-list .item .info .btc {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nft-shop .nft-list .item .btc i {
    font-size: 22px;
    color: #304ffe;
}

.nft-shop .nft-list .item .btc p {
    font-size: 12px;
    color: #304ffe;
}

.nft-shop .nft-list .item .info>p {
    font-size: 12px;
    color: #989898;
}

.nft-shop .nft-list .item .bid {
    padding: 14px 0 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nft-shop .nft-list .item .bid p,
.nft-shop .nft-list .item .bid a {
    background-color: #edecec;
    padding: 6px 10px;
    font-size: 13px;
    border-radius: 10px;
}

.nft-shop .nft-list .item .bid a {
    color: #304ffe;
    background: transparent;
    font-weight: bold;
    transition: all 0.3s ease;
}

.nft-shop .nft-list .item .bid a:hover {
    color: #fff;
    background-color: #000;
}

.view-more {
    margin: 10px 0 40px;
    display: flex;
    justify-content: center;
}

.view-more button {
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    background: #dfdcdc;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-more button:hover {
    color: #fff;
    background: #800000; /* Dark maroon */
}

.sellers {
    padding: 0 80px;
    margin: 40px 0 80px;
    display: flex;
    gap: 30px;
}

.sellers .item {
    background: #fff;
    display: flex;
    align-items: center;
    width: 25%;
    gap: 14px;
    padding: 14px;
    border-radius: 18px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.sellers .item img {
    width: 64px;
}

.sellers .item .info p {
    font-size: 14px;
    margin-top: 8px;
}

footer {
    background-color: #000;
    color: #fff;
    padding: 100px 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

footer h3 {
    font-size: 48px;
}

footer .right {
    width: 80%;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 26px;
}

footer .right .links {
    display: flex;
    gap: 30px;
}

footer .right .links a {
    color: #989898;
    transition: color 0.3s ease;
}

footer .right .links a:hover {
    color: #fff;
}

footer .right .social {
    display: flex;
    align-items: center;
    gap: 10px;
}

footer .right .social i {
    font-size: 30px;
    cursor: pointer;
    transition: color 0.3s ease;
}

footer .right .social i:hover {
    color: #304ffe;
}

footer .right p {
    font-size: 13px;
    color: #777;
}

@media screen and (max-width: 1400px) {

    nav,
    header,
    h2.separator,
    .sell-nft,
    .nft-shop,
    .sellers {
        padding: 0 40px;
    }

    header .left h1 {
        font-size: 60px;
    }

    header img {
        width: 540px;
    }

    .nft-shop .nft-list .item img {
        width: 220px;
        height: 220px;
    }

    footer {
        padding: 100px 40px;
    }

    footer h3 {
        font-size: 38px;
    }

}

@media screen and (max-width: 1200px) {

    header .left h1 {
        font-size: 48px;
    }

    header img {
        width: 480px;
    }

    h2.separator {
        font-size: 34px;
    }

    .sell-nft .item .header i {
        font-size: 36px;
    }

    .sell-nft .item .header h5 {
        font-size: 15px;
    }

    .sell-nft .item p {
        font-size: 13px;
    }

    .nft-shop .nft-list {
        flex-wrap: wrap;
        row-gap: 30px;
    }

    .nft-shop .nft-list .item {
        width: 48%;
    }

    .nft-shop .nft-list .item img {
        width: 100%;
        height: auto;
    }

    .sellers {
        flex-wrap: wrap;
    }

    .sellers .item {
        width: 48%;
    }

    footer .links a {
        font-size: 15px;
    }

}

@media screen and (max-width: 992px) {

    nav a.logo {
        font-size: 28px;
    }

    nav .links a {
        font-size: 14px;
    }

    header {
        flex-direction: column-reverse;
        height: auto;
        margin-bottom: 60px;
    }

    header .left {
        width: 100%;
    }

    header img {
        width: 100%;
    }

    .sell-nft {
        flex-wrap: wrap;
        gap: 20px;
    }

    .sell-nft .item {
        width: 48%;
    }

    .sellers {
        gap: 20px;
    }

    footer {
        flex-direction: column;
        padding: 60px 40px;
    }

    footer h3 {
        margin-bottom: 40px;
        font-size: 32px;
    }

    footer .right {
        width: 100%;
        align-items: center;
    }

}

@media screen and (max-width: 768px) {

    nav,
    header,
    h2.separator,
    .sell-nft,
    .nft-shop,
    .sellers {
        padding: 0 20px;
    }

    nav a.logo {
        display: none;
    }

    nav .links a {
        font-size: 12px;
    }

    nav .login button {
        font-size: 12px;
        padding: 6px 10px;
    }

    header .left h1 {
        font-size: 36px;
    }

    header .left p {
        font-size: 14px;
    }

    header .left a {
        padding: 6px;
        width: 160px;
        font-size: 14px;
    }

    header .left a i {
        padding: 6px;
    }

    h2.separator {
        font-size: 30px;
    }

    footer {
        padding: 40px 20px;
    }

}

@media screen and (max-width: 576px) {

    header .left h1 {
        font-size: 30px;
    }

    .sell-nft .item {
        width: 100%;
    }

    .nft-shop .nft-list .item,
    .sellers .item {
        width: 47%;
    }

    .nft-shop .category a {
        font-size: 13px;
    }

}

/* Responsive iframe container */
.iframe-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* Aspect ratio 16:9 */
    height: 0;
    overflow: hidden;
}

.iframe-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0px solid;
}

/* Mobile adjustments */
@media (max-width: 600px) {
    .iframe-container {
        padding-bottom: 75%; /* Adjust aspect ratio for mobile */
    }
}