/* Sfondo semi-trasparente */
.popup-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.4);
display: none;
justify-content: center;
align-items: center;
z-index: 10001;
}

/* Contenitore popup */
.popup-content {
background: #fff;
border-radius: 12px;
overflow: hidden;
box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
position: relative;
animation: fadeIn 0.5s ease;
max-width: 650px;
}

/* Pulsante chiudi */
.close-btn {
position: absolute;
top: 10px;
right: 15px;
background: rgba(0, 0, 0, 0.5);
border: none;
color: white;
font-size: 22px;
cursor: pointer;
border-radius: 50%;
width: 35px;
height: 35px;
line-height: 35px;
text-align: center;
z-index: 10;
}

/* Immagini */
.popup-content img {
display: block;
width: 100%;
height: auto;
max-width: none;
}

/* Desktop di default */
.popup-img-desktop{display:block;}
.popup-img-mobile{display:none;}
/* Mobile */
@media (max-width: 768px){
.popup-img-desktop{display: none;}
.popup-img-mobile{display: block;}
.popup-content{max-width: 350px;}
}

/* Animazione */
@keyframes fadeIn {
from { opacity: 0; transform: translateY(-10px); }
to { opacity: 1; transform: translateY(0); }
}