body {
    background-color: #ffffff;
    color: #333333;
    position: relative; /* Required for z-index stacking */
}

/* Smooth fade transition */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.nav-card {
    transition: all 0.3s ease;
}
.nav-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}