.tarjeta-3d {
background: white;
border-radius: 10px;
padding: 20px;
box-shadow: 0 5px 15px rgba(0,0,0,0.1);
transition: all 0.5s ease;
transform-style: preserve-3d;
perspective: 1000px;
}
.tarjeta-3d:hover {
transform: rotateY(10deg) translateY(-5px);
box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}