.card-child {
    width: 100%;
    max-width: 400px;
    border: 1px solid #dee2e6;
    border-radius: 16px;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    cursor: pointer;
}

.card-child:hover {
    transform: translateY(-4px);
    border-color: #0d6efd;
    box-shadow: 0 6px 16px rgba(13, 110, 253, 0.15);
}

.card-child.active {
    border: 2px solid #0d6efd;
    box-shadow: 0 0 12px rgba(13, 110, 253, 0.2);
}

.card-child .card-body {
    padding: 2rem 1.5rem;
}

.card-child .card-title {
    font-size: 1.4rem;
    color: #1c3c5c;
    font-weight: 600;
}

.price-container,
.duration-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.price-label,
.duration-label {
    font-size: 0.85rem;
    color: #6c757d;
    font-weight: 500;
    margin-bottom: 4px;
}

.price-value {
    background-color: #77b6f5;
    color: #212529;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid #ced4da;
    white-space: nowrap;
}

.duration-value {
    font-size: 1rem;
    font-weight: 500;
    color: #495057;
}