/* --- Variables et Reset --- */
        :root {
            --copper: #c5a059;
            --copper-low: rgba(197, 160, 89, 0.1);
            --copper-mid: rgba(197, 160, 89, 0.4);
            --gold-gradient: radial-gradient(circle at 30% 30%, #f6e6b4, #c5a059); /* Or éclatant */
            --bg-dark: #0a0a0a;
            --text-light: #ffffff;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-dark);
            color: var(--copper);
            font-family: 'Inter', sans-serif;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* --- Typographie --- */
        .serif {
            font-family: 'Playfair Display', serif;
        }

        .uppercase {
            text-transform: uppercase;
        }

        /* --- Bouton Plein Écran --- */
        .fullscreen-btn {
            position: fixed;
            top: 2rem;
            right: 2rem;
            z-index: 500;
            background: transparent;
            border: 1px solid var(--copper-low);
            padding: 0.8rem;
            cursor: pointer;
            transition: all 0.4s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(5px);
            border-radius: 50%;
        }

        .fullscreen-btn:hover {
            border-color: var(--copper-mid);
            background: rgba(197, 160, 89, 0.05);
            transform: scale(1.05);
        }

        .fullscreen-btn svg {
            width: 18px;
            height: 18px;
            fill: var(--copper);
            opacity: 0.6;
            transition: opacity 0.3s ease;
        }

        .fullscreen-btn:hover svg {
            opacity: 1;
        }

        /* --- Structure Header --- */
        header {
            padding-top: 4rem;
            padding-bottom: 3rem;
            text-align: center;
        }

        .header-title {
            font-size: 2.25rem;
            letter-spacing: 0.2em;
            margin-bottom: 1rem;
            font-weight: normal;
        }

        @media (min-width: 768px) {
            .header-title {
                font-size: 3.75rem;
            }
        }

        .header-divider {
            width: 6rem;
            height: 1px;
            background-color: currentColor;
            margin: 0 auto 2rem auto;
            opacity: 0.3;
        }

        .intro-container {
            max-width: 56rem;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .intro-text {
            text-align: center;
            font-size: 0.875rem;
            letter-spacing: 0.3em;
            line-height: 1.625;
            margin-bottom: 3rem;
        }

        /* --- Structure Main --- */
        main {
            flex-grow: 1;
            width: 100%;
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 1.5rem 5rem;
        }

        /* --- Filtre à Boule Dorée --- */
        .filter-section {
            display: flex;
            justify-content: flex-start;
            margin-bottom: 3rem;
            padding-left: 0.5rem;
        }

        .filter-container {
            position: relative;
            display: flex;
            align-items: flex-end;
            gap: 4rem; /* Espacement entre les points */
            padding-top: 2rem;
        }

        /* La double ligne */
        .filter-track {
            position: absolute;
            bottom: 9px;
            left: 0;
            right: 0;
            height: 3px;
            border-top: 1px solid var(--copper-mid);
            border-bottom: 1px solid var(--copper-mid);
            z-index: 0;
        }

        /* Les points cliquables */
        .filter-item {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            cursor: pointer;
            width: 20px;
        }

        /* Le cercle statique (contour) */
        .filter-circle-outline {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            border: 1px solid var(--copper);
            background-color: var(--bg-dark);
            transition: all 0.3s ease;
        }

        .filter-label {
            position: absolute;
            bottom: 30px;
            font-family: 'Playfair Display', serif;
            font-size: 1rem;
            letter-spacing: 0.1em;
            white-space: nowrap;
            color: var(--copper);
            opacity: 0.5;
            transition: opacity 0.3s ease;
        }

        .filter-item:hover .filter-label {
            opacity: 1;
        }

        .filter-item.active .filter-label {
            opacity: 1;
            font-weight: 600;
        }

        /* La Boule Dorée Active (Mobile) */
        .filter-ball {
            position: absolute;
            bottom: 1px;
            left: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            /* Utilisation du dégradé or défini dans les variables */
            background: var(--gold-gradient);
            box-shadow: 0 0 15px rgba(197, 160, 89, 0.4); /* Légère aura lumineuse */
            z-index: 3;
            /* Transition fluide pour l'effet de déplacement */
            transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
            pointer-events: none;
        }

        /* --- Grille Galerie --- */
        #gallery-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 1.5rem;
            align-items: stretch;
        }

        @media (min-width: 768px) {
            #gallery-grid {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
        }

        @media (min-width: 1024px) {
            #gallery-grid {
                grid-template-columns: repeat(4, minmax(0, 1fr));
            }
        }

        /* --- Cartes Photo --- */
        .photo-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--copper-low);
            transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            cursor: zoom-in;
            padding: 1rem;
        }

        .photo-card:hover {
            border-color: var(--copper-mid);
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.05);
        }

        .photo-thumbnail {
            width: 100%;
            aspect-ratio: 1 / 1;
            background-size: cover;
            background-position: center;
            filter: grayscale(30%);
            transition: filter 0.5s ease;
            margin-bottom: 1rem;
        }

        .photo-card:hover .photo-thumbnail {
            filter: grayscale(0%);
        }

        /* Zone de texte carte */
        .card-content {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center; 
            text-align: center;   
            min-height: 140px;
        }

        .card-title {
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.25rem;
        }

        .card-meta {
            font-size: 11px;
            opacity: 0.4;
            letter-spacing: 0.1em;
            margin-bottom: 0.5rem;
        }

        .card-divider {
            width: 2rem;
            height: 1px;
            background-color: var(--copper);
            opacity: 0.2;
            margin-bottom: 1rem;
        }

        .card-prices {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .price-line {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
        }

        /* --- Boutons et Liens --- */
        .load-more-container {
            margin-top: 5rem;
            text-align: center;
        }

        /* Bouton Révéler */
        .reveal-btn {
            position: relative;
            padding: 1.2rem 3.5rem;
            color: var(--copper);
            letter-spacing: 0.4em;
            text-transform: uppercase;
            font-family: 'Playfair Display', serif;
            border: 1px solid var(--copper-mid);
            background: transparent;
            overflow: hidden;
            transition: all 0.5s ease;
            cursor: pointer;
            z-index: 1;
        }

        .reveal-btn::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 300%;
            height: 300%;
            background: var(--copper);
            transition: all 0.6s ease;
            transform: translate(-50%, -50%) rotate(45deg) translateY(100%);
            z-index: -1;
        }

        .reveal-btn:hover {
            color: #0a0a0a;
            border-color: var(--copper);
        }

        .reveal-btn:hover::before {
            transform: translate(-50%, -50%) rotate(45deg) translateY(0);
        }

        .back-link-container {
            text-align: center;
            margin-top: 4rem;
        }

        .back-link {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.3em;
            opacity: 0.4;
            transition: opacity 0.3s;
        }

        .back-link:hover {
            opacity: 1;
        }

        .highlight-link {
            border-bottom: 1px solid var(--copper-mid);
            padding-bottom: 2px;
            color: #ffffff;
            transition: all 0.4s ease;
        }

        .highlight-link:hover {
            border-bottom-color: var(--copper);
            color: var(--copper);
        }

        /* --- Footer --- */
        footer {
            padding-bottom: 4rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }

        .footer-legal {
            font-size: 11px;
            letter-spacing: 0.5em;
            text-transform: uppercase;
            opacity: 0.3;
            text-align: center;
        }

        /* --- Utilitaires et États --- */
        .hidden-item {
            display: none !important;
        }

        .fade-in { 
            animation: fadeIn 1.2s ease forwards; 
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Effet d'éclipse */
        .content-to-dim {
            transition: opacity 0.6s cubic-bezier(0.23, 1, 0.32, 1), filter 0.6s ease;
            will-change: opacity, filter;
        }

        body:has(.tooltip-container:hover) .content-to-dim {
            opacity: 0.15;
            filter: blur(1px);
        }

        /* Tooltips */
        .tooltip-container {
            position: relative;
            display: inline-block;
            cursor: help;
            border-bottom: 1px dotted var(--copper-mid);
            color: #ffffff;
            z-index: 100;
        }

        .tooltip-content {
            visibility: hidden;
            width: 260px;
            background-color: #111;
            color: var(--copper);
            text-align: center;
            border: 1px solid var(--copper);
            padding: 1.5rem;
            position: absolute;
            z-index: 110;
            bottom: 150%;
            left: 50%;
            margin-left: -130px;
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
            transform: translateY(20px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
            pointer-events: none;
            
            /* Styles texte tooltip */
            font-size: 11px;
            letter-spacing: 0.1em;
        }

        .tooltip-container:hover .tooltip-content {
            visibility: visible;
            opacity: 1;
            transform: translateY(0);
        }

        .tooltip-content::after {
            content: "";
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: -8px;
            border-width: 8px;
            border-style: solid;
            border-color: var(--copper) transparent transparent transparent;
        }

        /* La Visionneuse (Lightbox) */
        #lightbox {
            position: fixed;
            inset: 0;
            background-color: rgba(5, 5, 5, 0.98);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
            backdrop-filter: blur(10px);
        }

        #lightbox.active {
            opacity: 1;
            visibility: visible;
        }

        #lightbox-img {
            max-width: 90vw;
            max-height: 85vh;
            box-shadow: 0 50px 100px rgba(0, 0, 0, 0.9);
            transform: scale(0.95);
            transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
            border: 1px solid var(--copper-low);
        }

        #lightbox.active #lightbox-img {
            transform: scale(1);
        }

        .close-lightbox {
            position: absolute;
            top: 30px;
            right: 40px;
            font-size: 2.5rem;
            color: var(--copper);
            cursor: pointer;
            opacity: 0.6;
            transition: opacity 0.3s;
            z-index: 2100;
        }

        .close-lightbox:hover {
            opacity: 1;
        }

        /* Styles du bouton de remontée */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--bg-dark);
            color: var(--copper);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
            box-shadow: 0 2px 10px rgba(134, 134, 134, 0.2);
            z-index: 1000;
            overflow: hidden;
        }

        /* Effet de reflet sur verre */
        .scroll-top::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                90deg,
                transparent,
                rgba(255, 255, 255, 0.4),
                transparent
            );
            transition: left 0.5s ease;
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }

        /* .scroll-top:hover {
            transform: translateY(-5px);
        }*/

        .scroll-top:hover::after {
            left: 100%;
        }