.card-premium {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.card-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 51, 204, 0.08);
    border-color: #93c5fd;
}