.portal-card {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.portal-card:hover {
    text-decoration: none;
    color: inherit;
    transform: translateY(-4px);
    box-shadow: 0 0.5rem 1.2rem rgba(0, 0, 0, 0.12);
}