/* Estilos para el pop-up */
.popup {
    display: none;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 500px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    animation: fadeIn 0.9s;
}
.popup img {
    width: 100%;
    height: auto;
}
.popup-overlay {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}
.popup-close {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 20px;
    cursor: pointer;
    color: white;
    background-color: black;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    text-align: center;
    line-height: 30px;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}