.popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    display: flex;
}

.popup-box {
    background: #fff;
    color: #002d3b;
    padding: 2em;
    margin: auto;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    max-height: 94svh;
    overflow-y: auto;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
    position: relative;
}

/* Croix de fermeture */
.popup-close {
    position: absolute;
    top: 8px;
    right: 15px;
    font-size: 24px;
    font-weight: bold;
    color: #002d3b;
    cursor: pointer;
    transition: color 0.2s;
}
.popup-close:hover {
    color: #92c9cb;
    transform: scale(1.2);
}

@media (max-width: 600px) {
    .popup-box h2 {
        font-size: 20px;
    }
}