body {
    background-color: #f8f9fa;
    text-align: center;
}
.container {
    margin-top: 50px;
}
.hero {
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 18px;
}
.card-option {
    transition: transform 0.3s ease-in-out;
    cursor: pointer;
    border: none;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}
.card-option:hover {
    transform: scale(1.05);
}
.hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.visible {
    opacity: 1;
    transform: translateY(0);
}