.popup-descuento {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9999;
}

.popup-contenido {
    background-color: #fff;
    margin: 15% auto;
    padding: 20px;
    border-radius: 8px;
    width: 300px;
    text-align: center;
    position: relative;
    animation: fadeIn 0.5s;
}

.cerrar-popup {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.cerrar-popup:hover {
    color: #333;
}

.popup-contenido img {
    max-width: 100px;
    margin-bottom: 15px;
}

.cuenta-atras {
    font-weight: bold;
    color: #d63031;
}

@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity: 1;}
}