body {
    font-family: Arial, sans-serif;
}

.contenedor-cartillas {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: space-between;
}

.cartilla {
    width: calc(50% - 10px);
    padding: 20px;
    background-color: #f1f1f1;
    cursor: pointer;
    border: 1px solid #ddd;
    text-align: center;
}

.cartilla p {
    margin: 0;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 50px;
    left: 0;
    top: 0px;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    margin: auto;
    padding: 0;
    width: 90%;
    top: 50px;
    max-width: 1200px;
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
}

.close {
    position: absolute;
    top: 10px;
    right: 20px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

iframe {
    width: 100%;
    height: 600px;
    border: none;
}


.view-more-btn {
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

.view-more-btn.visible {
    opacity: 1;
    animation: fadeIn 2s ease-in-out;
}

/* Animación de aparición difuminada */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}


/**************************************************MEDIA QUERY***************************************************/
@media (max-width: 480px) {
    .modal-content {
        width: 90%;
        height: 80%;
        overflow: auto;
        background-color: rgba(0, 0, 0, 0.5);
    }
    
}