.up-interstitiel {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    opacity: 1;
    transition: opacity var(--up-interstitiel-duration, 0.4s) ease, transform var(--up-interstitiel-duration, 0.4s) ease;
}

/* --- Effets de fermeture --- */

/* Fondu */
.up-interstitiel--fade {
    opacity: 0;
    pointer-events: none;
}

/* Remonter (vers le haut) */
.up-interstitiel--slide-up {
    transform: translateY(-100%);
    pointer-events: none;
}

/* Descendre (vers le bas) */
.up-interstitiel--slide-down {
    transform: translateY(100%);
    pointer-events: none;
}

/* Glisser vers la gauche */
.up-interstitiel--slide-left {
    transform: translateX(-100%);
    pointer-events: none;
}

/* Glisser vers la droite */
.up-interstitiel--slide-right {
    transform: translateX(100%);
    pointer-events: none;
}

/* Zoom + (agrandir) */
.up-interstitiel--zoom-in {
    transform: scale(1.5);
    opacity: 0;
    pointer-events: none;
}

/* Zoom - (réduire) */
.up-interstitiel--zoom-out {
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
}

.up-interstitiel__content {
    width: 100vw;
    margin: auto;
}

.up-interstitiel__close {
    position: fixed;
    top: 1rem;
    right: 1rem;
    border: none;
    background: #000;
    color: #fff;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.up-interstitiel__close svg {
    width: 1.75rem;
    height: 1.75rem;
    display: block;
}