body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: white;
    overflow-x: hidden;
}

header.background {
    background-color: #1e1e1e;
    padding: 10px 20px;
    border-bottom: 1px solid #333;
}

.nav {
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
}

.nav-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #eaeaea;
    gap: 10px;
    font-size: 16px;
}

.nav-icon {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.index-main {
    display: flex;
    flex-direction: row;
    min-height: 80vh;
    padding: 20px;
    gap: 20px;
}

.index-left {
    flex: 3;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.index-right {
    flex: 1;
    max-width: 300px;
    background-color: #1e1e1e;
    padding: 20px;
    border-radius: 10px;
    height: fit-content;
}

#carousel3d {
    width: 100% !important;
    height: 400px !important;
    position: relative !important;
    perspective: 1000px !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    overflow: visible !important;
}

#spinner-3d {
    width: 250px !important;
    height: 180px !important;
    position: absolute !important;
    transform-style: preserve-3d !important;
    transition: transform 1s ease !important;
    transform-origin: center center !important;
}

.item-3d {
    position: absolute !important;
    width: 250px !important;
    height: 180px !important;
    left: 0 !important;
    top: 0 !important;
    background: #000 !important;
    border: 3px solid white !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    backface-visibility: hidden !important;
}

.item-3d img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
}

.nav-3d {
    position: absolute !important;
    bottom: -80px !important;
    display: flex !important;
    gap: 20px !important;
    z-index: 100 !important;
}

.nav-3d button {
    cursor: pointer !important;
    background: white !important;
    border: none !important;
    border-radius: 50% !important;
    width: 40px !important;
    height: 40px !important;
    font-size: 20px !important;
    color: black !important;
}