/* ✅ Base */
body {
    margin: 0;
    background-color: var(--background-color);
    /* 🌟 Gris très clair, légèrement chaud */
    color: var(--text-color);
    /* 🌟 Gris foncé pour le texte */
    font-family: Arial, sans-serif;
    overflow-x: hidden;
    opacity: 0;
    transition: opacity 2s ease;
    }

html {
    scrollbar-width: thin;
    scrollbar-color: var(--text-color) transparent;
}

/* ✅ Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: var(--text-color);
    border-radius: 6px;
    border: 2px solid transparent;
    background-clip: content-box;
}

/* ✅ Titre */
header {
    text-align: left;
    padding: 40px 80px 20px 80px;
    font-size: 32px;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--text-color);
}

/* ✅ Vidéo */
.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ✅ Bouton son */
#unmuteButton {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
    z-index: 1001;
    transition: opacity 0.3s ease;
    opacity: 0.7;
}

#unmuteButton:hover {
    opacity: 1;
}

.header-image-container {
    width: 100%;
    height: auto;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.header-image {
    width: 100%;
    height: auto;
    display: block;
    margin: 0;
    padding: 0;
    object-fit: cover;
}

/* ✅ Accordéons */
.accordion {
    background-color: var(--background-color);
    color: var(--text-color);
    cursor: pointer;
    padding: 15px 20px;
    width: 100%;
    text-align: left;
    border: none;
    outline: none;
    font-size: 18px;
    transition: 0.4s;
    border-bottom: 0.5px solid var(--border-color);
}

.active,
.accordion:hover {
    background-color: var(--half-white-color);
}

.panel {
    padding: 0 20px 20px 20px;
    display: none;
    overflow: hidden;
    background-color: var(--background-color);
}

.panel p,
.panel h1,
.panel a {
    color: var(--text-color);
}

/* ✅ Contenu principal */
.content {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    padding: 100px 120px;
    gap: 80px;
    box-sizing: border-box;
}

.text-box {
    flex: 0 0 30%;
    padding: 40px;
    text-align: justify;
    background: transparent;
}

.text-box h1 {
    margin-top: 0;
    font-size: 28px;
    text-transform: uppercase;
}

.text-box p {
    font-size: 15px;
    margin-bottom: 30px;
    line-height: 1.8;
}

.text-box a {
    color: var(--link-color);
    text-decoration: underline;
}

/* ✅ Visualisateur */
.image-display {
    background: var(--background-color);
    border: 0.5px solid var(--border-color);
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;

    width: 60%;
    height: 100%;
    position: sticky;
    height: 90vh;
    top: 1em;
}

.image-display > *{    
    max-height: 100%;
    max-width: 100%;
    display: none;
}
.image-display iframe{  
    height: 90vh;
}

.legend {
    position: absolute;
    bottom: 20px;
    left: 20px;
    font-size: 13px;
    color: var(--legend-color);
    font-style: italic;
}

/* ✅ Légende sous header */
.legend-text {
    font-family: 'Times New Roman', Times, serif;
    font-style: italic;
    font-size: 12px;
    line-height: 1.3;
    margin-top: 8px;
    margin-bottom: 20px;
}

/* ✅ Mosaïque */
.mosaic {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding: 100px 120px 150px 120px;
    background-color: var(--background-color);
    background: var(--background-color);
}

.mosaic img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border: 0.5px solid var(--border-color);
    background-color: var(--background-color);
    background: var(--background-color);
    cursor: pointer;
    transition: transform 0.3s ease;
    filter: blur(10px);
    transform: scale(1.02);
}

.mosaic img.loaded {
    filter: none;
    transform: scale(1);
    transition: filter 0.6s ease, transform 0.6s ease;
}

.mosaic img:hover {
    transform: scale(1.05);
}

.mosaic:empty {
    display: none;
}


/* ✅ Lightbox */
#lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--lightbox-color);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
    flex-direction: column;
    /* ✅ Force l'affichage vertical */

}

#lightbox img {
    max-width: 90%;
    max-height: 90%;
    border: 1px solid var(--lightbox-img-color);
    margin-bottom: 10px;
}

#close-lightbox {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: var(--lightbox-img-color);
    background: none;
    border: none;
    cursor: pointer;
}

#close-lightbox:hover {
    color: var(--legend-color);
}

/* ✅ Responsive tablette */
@media (max-width: 1000px) {
    body {
        overflow-x: hidden;
        font-size: 0.8rem;
    }

    .text-box p,
    li {
        font-size: 0.8rem;
    }

    .content {
        display: flex;
        flex-direction: column;
        flex-wrap: wrap;
        align-items: stretch;
        padding: 0px;
        gap: 40px;
        box-sizing: border-box;
    }

    .text-box,
    .image-display {
        width: 100%;
        padding: 20px;
    }

    .mosaic {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        /* ✅ 4 colonnes */
        gap: 40px;
        padding: 100px 120px 150px 120px;
        background-color: var(--background-color);
        /* Ou ta couleur de fond */
    }
}

/* ✅ Responsive téléphone */
@media (max-width: 480px) {
    body {
        overflow-x: hidden;
    }

    .content {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        padding: 0px;
        gap: 30px;
        box-sizing: border-box;
        width: 100%;
        max-width: 100%;
    }

    .text-box,
    .image-display {
        width: 100%;
        padding: 15px;
        box-sizing: border-box;
    }

    .mosaic {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 30px 15px;
    }

    header {
        font-size: 22px;
        padding: 20px 20px 10px 20px;
    }

    .video-container {
        width: 100vw;
        height: auto;
        padding-top: 56.25%;
        margin: 0;
        position: relative;
        left: 0;
        right: 0;
    }

    .video-container iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border: none;
    }

    .image-display {
        width: 100vw;
        padding: 0;
        margin: 0;
        border: none;
        box-sizing: border-box;
    }

    .image-display iframe,
    .image-display video,
    .image-display img {
        width: 100vw;
        max-width: 100vw;
        height: auto;
        object-fit: contain;
        margin: 0;
        padding: 0;
        display: none;
    }

    /* ✅ Crédit photo dans la lightbox */
    #lightbox-credit {
        margin-top: 20px;
        font-size: 14px;
        color: var(--lightbox-img-color);
        text-align: center;
        font-style: italic;
        opacity: 0.8;
    }
}