/* Global transitions and hover effects */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
}
.navbar .nav-link {
    transition: color 0.3s ease;
}
.navbar .nav-link:hover {
    color: #ffc107;
}
.collapse {
    transition: height 0.35s ease;
}