.project-card {
    height: 200px;
    transition: transform 0.2s;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
}

.card-img-overlay {
    opacity: 0;
    transition: opacity 0.2s;
    background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.2));
}

.project-card:hover .card-img-overlay {
    opacity: 1;
}