.spin-card {
    perspective: 1000px;
}

.spin-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transform-style: preserve-3d;
    animation: spin 1s linear infinite;
    animation-play-state: paused;
}

.spin-card-front,
.spin-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.spin-card-front {
    background-color: transparent;
}

.spin-card-back {
    background-color: transparent;
    transform: rotateY(180deg);
}

.spin-card img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.spin-card img:hover {
    transform: scale(1.1);
}

@keyframes spin {
    from {
        transform: rotateY(0deg);
    }
    to {
        transform: rotateY(360deg);
    }
}

.hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    display: none;
}

/* Hamburger Menu Styles */
.hamburger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    position: relative;
    z-index: 10;
}

.hamburger-menu span {
    height: 2px;
    width: 25px;
    background: white;
    margin: 4px 0;
    transition: 0.4s;
}

/* Nav Links Styles */
.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    text-align: center;
    padding: 0;
    margin: 0;
    background: rgba(0, 0, 0, 0.8);
    position: absolute;
    width: 100%;
    left: 0;
    top: 60px;
}

.nav-links li {
    margin: 20px 0;
}

/* Responsive Styles */
@media screen and (max-width: 768px) {
    .hamburger-menu {
        display: flex;
    }
    .nav-links {
        display: none;
        flex-direction: column;
    }
    .nav-links.show {
        display: flex;
    }
}