/* Styles pour la page galerie */

/* Header de la galerie */
.galerie-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 2rem;
    text-align: center;
    position: relative;
    color: white;
}

.galerie-header h1 {
    font-size: 2.5rem;
    color: white;
    margin: 0;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.back-button {
    position: absolute;
    top: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.back-button:hover {
    transform: translateX(-5px);
}

.back-arrow {
    width: 20px;
    height: 20px;
    margin-right: 0.5rem;
    filter: brightness(0) invert(1);
}

/* Conteneur principal de la galerie */
.galerie-container {
    padding: 0;
    overflow: hidden;
    background-color: #f2f2f2;
}

/* Introduction */
.galerie-intro {
    text-align: center;
    padding: 3rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.galerie-intro h2 {
    color: var(--primary-color);
    font-size: 2.2rem;
    margin-bottom: 1rem;
    position: relative;
}

.galerie-intro h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

.galerie-intro p {
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Structure de la galerie en mosaïque avec désordre */
.galerie-masonry {
    margin: 0;
    padding: 0;
    width: 100%;
    position: relative;
}

/* Motif répétable */
.galerie-pattern {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(100px, auto);
    gap: 10px;
    margin-bottom: 10px;
    padding: 0 10px;
}

/* Styles des éléments */
.galerie-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.4s ease, transform 0.3s ease;
    cursor: pointer;
    z-index: 1;
}

/* Effet de surélévation au survol */
.galerie-item:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
    z-index: 10;
}

/* Classes pour différentes tailles */
.item-small {
    grid-column: span 3;
    grid-row: span 3;
    height: 250px;
}

.item-medium {
    grid-column: span 4;
    grid-row: span 4;
    height: 300px;
}

.item-tall {
    grid-column: span 3;
    grid-row: span 6;
    height: 450px;
}

.item-wide {
    grid-column: span 6;
    grid-row: span 3;
    height: 250px;
}

/* Classe pour rotation diagonale */
.diagonal {
    transform: rotate(-2deg);
}

/* Position décalée pour créer du désordre */
.galerie-pattern:nth-child(1) .galerie-item:nth-child(1) {
    grid-column: 1 / span 3;
    grid-row: 1 / span 6;
}

.galerie-pattern:nth-child(1) .galerie-item:nth-child(2) {
    grid-column: 4 / span 3;
    grid-row: 1 / span 3;
}

.galerie-pattern:nth-child(1) .galerie-item:nth-child(3) {
    grid-column: 7 / span 4;
    grid-row: 1 / span 4;
}

.galerie-pattern:nth-child(1) .galerie-item:nth-child(4) {
    grid-column: 4 / span 6;
    grid-row: 4 / span 3;
}

.galerie-pattern:nth-child(1) .galerie-item:nth-child(5) {
    grid-column: 10 / span 3;
    grid-row: 1 / span 3;
    transform: rotate(2deg);
}

/* Deuxième pattern avec positions différentes */
.galerie-pattern:nth-child(2) .galerie-item:nth-child(1) {
    grid-column: 1 / span 4;
    grid-row: 1 / span 4;
}

.galerie-pattern:nth-child(2) .galerie-item:nth-child(2) {
    grid-column: 5 / span 3;
    grid-row: 1 / span 3;
}

.galerie-pattern:nth-child(2) .galerie-item:nth-child(3) {
    grid-column: 8 / span 3;
    grid-row: 1 / span 6;
}

.galerie-pattern:nth-child(2) .galerie-item:nth-child(4) {
    grid-column: 11 / span 2;
    grid-row: 1 / span 3;
    transform: rotate(-3deg);
}

.galerie-pattern:nth-child(2) .galerie-item:nth-child(5) {
    grid-column: 1 / span 6;
    grid-row: 5 / span 3;
}

/* Troisième pattern */
.galerie-pattern:nth-child(3) .galerie-item:nth-child(1) {
    grid-column: 1 / span 5;
    grid-row: 1 / span 3;
    height: 350px;
}

.galerie-pattern:nth-child(3) .galerie-item:nth-child(2) {
    grid-column: 6 / span 4;
    grid-row: 1 / span 6;
    height: 600px;
}

.galerie-pattern:nth-child(3) .galerie-item:nth-child(3) {
    grid-column: 10 / span 3;
    grid-row: 1 / span 3;
    transform: rotate(2deg);
    height: 350px;
}

.galerie-pattern:nth-child(3) .galerie-item:nth-child(4) {
    grid-column: 1 / span 4;
    grid-row: 4 / span 4;
}

.galerie-pattern:nth-child(3) .galerie-item:nth-child(5) {
    grid-column: 10 / span 3;
    grid-row: 4 / span 3;
}

/* Images */
.galerie-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.galerie-item:hover img {
    transform: scale(1.05);
}

/* Overlay pour le texte */
.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    padding: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.galerie-item:hover .photo-overlay {
    opacity: 1;
    transform: translateY(0);
}

.photo-overlay p {
    color: white;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

/* Animation supplémentaire au survol */
.galerie-item.hovered {
    transform: scale(1.02);
}

/* Pour le petit décalage aléatoire */
.galerie-item {
    transform-origin: center;
}

/* Bouton de défilement vers le haut */
.scroll-top-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.scroll-top-button.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-button:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

/* Media queries pour la responsivité */
@media (max-width: 992px) {
    .galerie-pattern {
        grid-template-columns: repeat(6, 1fr);
    }

    .item-small,
    .item-medium,
    .item-tall,
    .item-wide {
        grid-column: span 3;
        grid-row: span 3;
        height: 250px;
    }

    .galerie-pattern:nth-child(1) .galerie-item:nth-child(1),
    .galerie-pattern:nth-child(1) .galerie-item:nth-child(2),
    .galerie-pattern:nth-child(1) .galerie-item:nth-child(3),
    .galerie-pattern:nth-child(1) .galerie-item:nth-child(4),
    .galerie-pattern:nth-child(1) .galerie-item:nth-child(5),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(1),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(2),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(3),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(4),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(5),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(1),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(2),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(3),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(4),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(5) {
        grid-column: auto / span 3;
        grid-row: auto / span 3;
    }
}

@media (max-width: 576px) {
    .galerie-pattern {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .item-small,
    .item-medium,
    .item-tall,
    .item-wide {
        grid-column: span 2;
        grid-row: span 1;
        height: 200px;
    }

    .galerie-pattern:nth-child(1) .galerie-item:nth-child(1),
    .galerie-pattern:nth-child(1) .galerie-item:nth-child(2),
    .galerie-pattern:nth-child(1) .galerie-item:nth-child(3),
    .galerie-pattern:nth-child(1) .galerie-item:nth-child(4),
    .galerie-pattern:nth-child(1) .galerie-item:nth-child(5),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(1),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(2),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(3),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(4),
    .galerie-pattern:nth-child(2) .galerie-item:nth-child(5),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(1),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(2),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(3),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(4),
    .galerie-pattern:nth-child(3) .galerie-item:nth-child(5) {
        grid-column: auto / span 2;
        grid-row: auto;
    }

    .back-button {
        top: 1rem;
        left: 1rem;
    }
}