/* 1– conteneur  */
.ratio-box{
    position:relative;
    width:100%;
    overflow:hidden;    /* rogne si nécessaire */
}

/* 2– image couvrante */
.ratio-box img{
    position:absolute;
    inset:0;            /* top,left,bottom,right:0 */
    width:100%;
    height:100%;
    object-fit:cover;   /* centre + crop */
}

/* Ratios spécifiques */
.ratio-lg      { aspect-ratio: 1200 / 830; }   /* ≈ 1,445 */
.ratio-md      { aspect-ratio: 800  / 548; }   /* ≈ 1,46  */
.ratio-banner  { aspect-ratio: 800  / 265; }   /* ≈ 3,02  */

/* Pour les vieux navigateurs sans `aspect-ratio` : fallback padding-top */
@supports not (aspect-ratio: 1/1) {
    .ratio-lg::before     { padding-top: 69.2%; }
    .ratio-md::before     { padding-top: 68.5%; }
    .ratio-banner::before { padding-top: 33.2%; }

    .ratio-box::before{
        content:"";
        display:block;
    }
}

/* Remonte la modale au-dessus du back-drop */
.modal            { z-index: 1080 !important; }
.modal-backdrop   { z-index: 1070 !important; }

/* =========  POP-UP  ========= */

/* 1. Back-drop : un noir plus doux */
.modal-backdrop.show {
    background-color: rgba(0, 0, 0, .55);   /* 55 % d’opacité */
}

/* 2. Fenêtre */
.modal.popup-main .modal-content {
    border: none;                 /* on enlève la bordure grise Bootstrap */
    border-radius: 1rem;          /* coins arrondis 16 px */
    box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, .25);
    max-width: 460px;             /* largeur max */
    margin: auto;
}

/* 3. Titre + paragraphe (optionnel) */
.modal.popup-main .modal-header,
.modal.popup-main .modal-body {
    padding: 2rem 2.25rem;
}

.modal.popup-main h4,
.modal.popup-main h5,
.modal.popup-main h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

/* 4. Bouton “×” plus confortable */
.modal.popup-main .btn-close {
    width: 1.25rem;
    height: 1.25rem;
    opacity: .7;
}
.modal.popup-main .btn-close:hover { opacity: 1; }

/* 5. Image responsive + coins arrondis */
.modal.popup-main img {
    border-radius: .75rem;
    width: 100%;
    height: auto;
    display: block;
}