:root {
            --color-text: #333;
            --color-text-muted: #6c757d;
            --color-background: #fdfdfd;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fa; /* Fond alternatif léger */
            --color-border: #e9ecef;
            --color-border-subtle: #f1f3f5; /* Encore plus subtil */
            --color-primary: #a88e6b;
            --color-primary-hover: #917956;
            --color-dark: #212529;
            --color-dark-hover: #343a40;
            --font-primary: 'Lato', sans-serif;
            --font-secondary: 'Playfair Display', serif;
            --shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.06); /* Ombre douce et diffuse */
            --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.05);
            --border-radius: 3px; /* Rayon de bordure léger */
            --transition-speed: 0.3s;
        }

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

        body {
            font-family: var(--font-primary); line-height: 1.7; color: var(--color-text);
            background-color: var(--color-background); font-weight: 400; font-size: 16px;
            -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
        }

        img { max-width: 100%; display: block; }
        button, input, select { font-family: inherit; }
        a { text-decoration: none; color: var(--color-primary); transition: color var(--transition-speed) ease; }
        a:hover { color: var(--color-primary-hover); }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-secondary); font-weight: 600; color: var(--color-dark); margin-bottom: 0.8em; line-height: 1.3; }

        .container { max-width: 1360px; margin: 0 auto; padding: 0 30px; }
        .visually-hidden {
            position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
            overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; white-space: nowrap;
        }

        /* --- Header & Breadcrumbs --- */
        .site-header {
            background-color: var(--color-surface);
            padding: 25px 0;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 40px;
            position: relative; /* Added for mobile nav positioning */
        }
        .site-header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-family: var(--font-secondary);
            font-size: 1.9em;
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: 1.5px;
        }
        .main-nav ul {
            list-style: none;
            display: flex;
            gap: 35px;
            margin: 0; /* Ensure no default margin */
            padding: 0; /* Ensure no default padding */
        }
        .main-nav a {
            color: var(--color-text-muted);
            font-weight: 400;
            font-size: 0.9em;
            letter-spacing: 1px;
            text-transform: uppercase;
            transition: color var(--transition-speed) ease;
            display: block; /* Helps with alignment and padding */
            padding: 5px 0; /* Adjust padding as needed */
        }
        .main-nav a:hover {
            color: var(--color-dark);
        }

        .breadcrumbs { padding: 25px 0; font-size: 0.85em; color: var(--color-text-muted); }
        .breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 12px; }
        .breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: 12px; color: #ccc; }
        .breadcrumbs a { color: var(--color-text-muted); transition: color var(--transition-speed) ease; }
        .breadcrumbs a:hover { color: var(--color-primary); }

        /* --- Grille Page Produit --- */
        .product-page-grid {
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 70px;
            background-color: var(--color-surface); padding: 60px; border-radius: var(--border-radius);
            box-shadow: var(--shadow-soft); margin-bottom: 60px;
        }

        /* --- Section Média & Carrousel --- */
        .product-media { display: flex; flex-direction: column; }
        .carousel { position: relative; overflow: hidden; border-radius: var(--border-radius); background-color: var(--color-surface-alt); aspect-ratio: 1 / 1; margin-bottom: 25px; border: 1px solid var(--color-border-subtle); }
        .carousel-slides { display: flex; height: 100%; }
        .carousel-slide { min-width: 100%; height: 100%; position: relative; flex-shrink: 0; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity 0.6s ease-in-out, visibility 0s linear 0.6s; position: absolute; top: 0; left: 0; width: 100%; }
        .carousel-slide.active { opacity: 1; visibility: visible; transition: opacity 0.6s ease-in-out; z-index: 1; }
        .carousel-slide iframe, .carousel-slide img { display: block; width: 100%; height: 100%; object-fit: contain; border: none; background-color: transparent; }
        .carousel-slide img { background-color: var(--color-surface-alt); }

        /* Loading indicator spécifique au splat */
        .carousel-slide[data-type="splat"] .loading-indicator { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background-color: rgba(0, 0, 0, 0.7); color: white; padding: 10px 20px; border-radius: var(--border-radius); z-index: 5; opacity: 0; display: none; transition: opacity var(--transition-speed) ease; font-size: 0.85em; font-weight: 400; pointer-events: none; }
        .carousel-slide[data-type="splat"] .loading-indicator.visible { display: block; opacity: 1; }
        .carousel-slide[data-type="splat"] iframe.loaded + .loading-indicator { opacity: 0; transition: opacity var(--transition-speed) ease, display 0s linear var(--transition-speed); display: none; }

        /* Contrôles Carrousel */
        .carousel-control { position: absolute; top: 50%; transform: translateY(-50%); background-color: rgba(255, 255, 255, 0.8); color: var(--color-dark); border: none; padding: 0; font-size: 16px; cursor: pointer; border-radius: 50%; width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; z-index: 10; opacity: 0; pointer-events: none; transition: opacity var(--transition-speed) ease, background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease, transform var(--transition-speed) ease; box-shadow: var(--shadow-subtle); }
        .carousel:hover .carousel-control { opacity: 1; pointer-events: auto; }
        .carousel:hover .carousel-control:not(:disabled):hover { background-color: var(--color-surface); box-shadow: 0 4px 10px rgba(0,0,0,0.1); transform: translateY(-50%) scale(1.05); }
        .carousel:hover .carousel-control:disabled { opacity: 0.4; cursor: default; pointer-events: none; background-color: rgba(230, 230, 230, 0.7); box-shadow: none; transform: translateY(-50%) scale(1); }
        .carousel-control.prev { left: 20px; } .carousel-control.next { right: 20px; }
        .carousel-control i { line-height: 1; }

        /* Miniatures */
        .carousel-thumbnails { display: grid; grid-template-columns: repeat(auto-fill, minmax(75px, 1fr)); gap: 15px; }
        .thumbnail-item { width: 100%; aspect-ratio: 1 / 1; cursor: pointer; border: 1px solid var(--color-border-subtle); border-radius: var(--border-radius); overflow: hidden; opacity: 0.85; transition: all var(--transition-speed) ease; display: flex; align-items: center; justify-content: center; background-color: var(--color-surface-alt); position: relative; }
        .thumbnail-item:hover { opacity: 1; border-color: var(--color-text-muted); transform: scale(1.03); }
        .thumbnail-item.active { opacity: 1; border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary); transform: scale(1.03); }
        .thumbnail-item img { width: 100%; height: 100%; object-fit: cover; }
        .thumbnail-item[data-type="splat"] { font-size: 10px; font-weight: 600; text-align: center; color: var(--color-primary); background-color: #f8f0e3; padding: 5px; line-height: 1.2; border: 1px solid var(--color-primary); }
        .thumbnail-item[data-type="splat"].active { border-color: var(--color-primary); background-color: #efe2cc; box-shadow: 0 0 0 2px var(--color-primary); }
        .thumbnail-item[data-type="splat"] i { font-size: 1.8em; margin-bottom: 4px; display: block; color: var(--color-primary); }

        /* --- Section Infos Produit --- */
        .product-info { display: flex; flex-direction: column; gap: 18px; }
        .product-vendor { font-size: 0.85em; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 1px;}
        .product-vendor a { color: var(--color-text-muted); font-weight: 400; }
        .product-vendor a:hover { color: var(--color-primary); }
        .product-title { font-size: 2.6em; font-weight: 600; line-height: 1.25; color: var(--color-dark); margin-bottom: 0px; }
        .product-rating { display: flex; align-items: center; gap: 12px; font-size: 0.9em; margin-top: -5px; }
        .stars { color: var(--color-primary); } .stars .fa-regular { color: #e0e0e0; }
        .review-count { color: var(--color-text-muted); } .review-count:hover { color: var(--color-primary); }
        .product-price-wrapper { margin: 5px 0; border-top: 1px solid var(--color-border-subtle); border-bottom: 1px solid var(--color-border-subtle); padding: 18px 0; }
        .product-price { font-family: var(--font-primary); font-size: 2.1em; font-weight: 400; color: var(--color-dark); display: flex; align-items: center; gap: 15px; }
        .original-price { font-size: 0.6em; text-decoration: line-through; color: var(--color-text-muted); font-weight: 300;}
        .product-variants { display: flex; flex-direction: column; gap: 18px; margin-top: 5px; }
        .variant-group { display: flex; flex-direction: column; gap: 10px; }
        .variant-label { font-family: var(--font-primary); font-weight: 700; font-size: 0.85em; color: var(--color-dark); margin-bottom: 3px; text-transform: uppercase; letter-spacing: 1px;}
        .selected-value { font-weight: 400; color: var(--color-text-muted); text-transform: none; letter-spacing: 0; font-size: 0.95em; }
        .color-swatches { display: flex; flex-wrap: wrap; gap: 12px; }
        .swatch { width: 32px; height: 32px; border-radius: 50%; background-color: var(--swatch-color, #eee); cursor: pointer; border: 1px solid var(--color-border); transition: all var(--transition-speed) ease; position: relative; display: flex; align-items: center; justify-content: center; }
        .swatch:hover { transform: scale(1.1); box-shadow: 0 0 10px rgba(0,0,0,0.1); }
        .swatch.active { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary); }
        .swatch[style*="#ffffff"] { border-color: #ddd; }
        .swatch[style*="#ffffff"].active { border-color: var(--color-primary); }
        .swatch[data-value="Acier Inoxydable"] { --swatch-color: #d8d8d8; }
        .swatch[data-value="Or Jaune"] { --swatch-color: #e7c57d; }
        .swatch[data-value="Or Rose"] { --swatch-color: #d9a7a0; }
        .swatch[data-value="Cadran Bleu"] { --swatch-color: #2a4a6d; }
        .product-quantity { margin-top: 10px; }
        .quantity-selector { display: flex; align-items: center; gap: 0; border: 1px solid var(--color-border); border-radius: var(--border-radius); overflow: hidden; width: fit-content;}
        .quantity-selector button { background-color: var(--color-surface-alt); border: none; width: 40px; height: 40px; font-size: 1em; color: var(--color-text-muted); cursor: pointer; transition: background-color var(--transition-speed); line-height: 1; }
        .quantity-selector button:hover:not(:disabled) { background-color: #e9ecef; }
        .quantity-selector button:disabled { background-color: var(--color-surface-alt); color: #ccc; cursor: not-allowed; }
        .quantity-selector input[type="number"] { width: 55px; height: 40px; text-align: center; border: none; border-left: 1px solid var(--color-border); border-right: 1px solid var(--color-border); font-size: 1em; padding: 0 5px; color: var(--color-dark); background-color: var(--color-surface); -moz-appearance: textfield; }
        .quantity-selector input[type=number]::-webkit-outer-spin-button,
        .quantity-selector input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
        .product-actions { display: flex; flex-direction: column; gap: 15px; margin-top: 20px; }
        .action-button { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 16px 35px; font-size: 0.95em; font-weight: 700; border-radius: var(--border-radius); cursor: pointer; transition: all var(--transition-speed) ease; border: 1px solid transparent; text-transform: uppercase; letter-spacing: 1.2px; }
        .add-to-cart-btn { background-color: var(--color-dark); color: white; border-color: var(--color-dark); }
        .add-to-cart-btn:hover { background-color: var(--color-dark-hover); border-color: var(--color-dark-hover); transform: translateY(-2px); box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15); }
        .wishlist-btn { background-color: transparent; color: var(--color-dark); border: 1px solid var(--color-border); }
        .wishlist-btn:hover { background-color: var(--color-surface-alt); border-color: #ced4da; color: var(--color-primary); }
        .wishlist-btn .fa-gem { margin-right: 5px; }
        .trust-info, .social-share { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--color-border-subtle); }
        .trust-info { display: flex; flex-wrap: wrap; gap: 15px 25px; font-size: 0.8em; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.8px; }
        .trust-item { display: flex; align-items: center; gap: 10px; }
        .trust-item i { color: var(--color-primary); font-size: 1.3em; width: 20px; text-align: center; }
        .social-share p { font-weight: 700; margin-bottom: 15px; font-size: 0.8em; text-transform: uppercase; letter-spacing: 1px; color: var(--color-dark); }
        .social-links { display: flex; gap: 15px; }
        .social-links a { color: var(--color-text-muted); background-color: transparent; border: 1px solid var(--color-border); width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; font-size: 1.05em; transition: all var(--transition-speed) ease; }
        .social-links a:hover { background-color: var(--color-primary); color: white; border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-subtle); }

        /* --- Onglets Détails Produit --- */
        .product-details-section { background-color: var(--color-surface); padding: 50px 60px; border-radius: var(--border-radius); box-shadow: var(--shadow-soft); margin-bottom: 60px; }
        .tabs-nav { display: flex; border-bottom: 1px solid var(--color-border); margin-bottom: 35px; gap: 15px;}
        .tab-button { padding: 18px 30px; border: none; background-color: transparent; cursor: pointer; font-size: 0.95em; font-weight: 700; color: var(--color-text-muted); position: relative; border-bottom: 3px solid transparent; transition: all var(--transition-speed) ease; text-transform: uppercase; letter-spacing: 1px; }
        .tab-button:hover { color: var(--color-dark); }
        .tab-button.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
        .tab-content { display: none; animation: fadeIn 0.7s ease; }
        .tab-content.active { display: block; }
        .tab-content h3 { font-size: 1.7em; margin-bottom: 25px; font-weight: 600; }
        .tab-content p, .tab-content ul { margin-bottom: 25px; color: var(--color-text); line-height: 1.8;}
        .tab-content ul { list-style: none; padding-left: 0; }
        .tab-content li { padding-left: 30px; position: relative; margin-bottom: 12px; }
        .tab-content li::before { content: "\f00c"; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; left: 0; top: 5px; color: var(--color-primary); font-size: 0.9em; }
        .tab-content strong { font-weight: 700; color: var(--color-dark); }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

        /* --- Section Produits Connexes --- */
        .related-products-section { margin-bottom: 60px; padding: 50px 0; background-color: var(--color-surface-alt); border-top: 1px solid var(--color-border-subtle); border-bottom: 1px solid var(--color-border-subtle); }
        .related-products-section h2 { font-size: 2.2em; font-weight: 600; margin-bottom: 45px; text-align: center; letter-spacing: 1.5px; }
        .related-products-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 35px; }
        .related-product-card { display: block; background-color: var(--color-surface); border-radius: var(--border-radius); overflow: hidden; border: 1px solid var(--color-border-subtle); transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease; text-align: center; position: relative; }
        .related-product-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-soft); }
        .related-product-card .image-container { background-color: var(--color-surface-alt); padding: 20px; border-bottom: 1px solid var(--color-border-subtle); position: relative; overflow: hidden; }
        .related-product-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; transition: transform 0.4s ease; }
        .related-product-card:hover img { transform: scale(1.05); }
        .related-product-info { padding: 25px 20px; }
        .related-product-title { font-family: var(--font-secondary); font-size: 1.1em; font-weight: 600; color: var(--color-dark); margin-bottom: 10px; line-height: 1.4; height: 2.8em; overflow: hidden; }
        .related-product-price { font-size: 1.15em; font-weight: 400; color: var(--color-dark); margin-bottom: 15px; }
        .view-details-link { display: inline-block; font-size: 0.8em; color: var(--color-primary); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; opacity: 0; transform: translateY(5px); transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease; padding-top: 10px; }
        .related-product-card:hover .view-details-link { opacity: 1; transform: translateY(0); }

        /* --- Footer --- */
        .site-footer { background-color: var(--color-dark); color: #adb5bd; padding: 70px 0; font-size: 0.9em; margin-top: 60px; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 45px; margin-bottom: 50px;}
        /* Footer H4 Style (for Desktop) */
        .footer-column h4 {
            font-family: var(--font-primary);
            font-size: 0.95em;
            color: #fff;
            margin-bottom: 25px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }
        /* Footer Toggle Button Base Style (Hidden on Desktop) */
        .footer-column button.footer-toggle {
            display: none;
        }
        .footer-column ul { list-style: none; padding-left: 0; /* Ensure no default padding */ }
        .footer-column li { margin-bottom: 14px; }
        .footer-column a { color: #adb5bd; transition: color var(--transition-speed) ease; }
        .footer-column a:hover { color: #fff; }
        .footer-bottom { text-align: center; border-top: 1px solid #495057; padding-top: 35px; font-size: 0.85em; color: #6c757d;}


        /* --- Mobile Navigation (NEW) --- */
        .mobile-nav-toggle {
            display: none; /* Hidden by default on desktop */
            background: none;
            border: none;
            color: var(--color-dark);
            font-size: 1.8em; /* Larger tap target */
            cursor: pointer;
            padding: 5px;
            z-index: 1000; /* Ensure it's above other header content */
            line-height: 1;
        }
        .mobile-nav-toggle .close-icon { display: none; }

        /* Styles when mobile menu is open (applied via JS by adding class 'nav-open' to header) */
        .site-header.nav-open .mobile-nav-toggle .open-icon { display: none; }
        .site-header.nav-open .mobile-nav-toggle .close-icon { display: block; }

        .site-header.nav-open .main-nav {
             display: block; /* Show the nav container */
             position: absolute;
             top: 100%; /* Position below the header */
             left: 0;
             right: 0;
             background-color: var(--color-surface);
             box-shadow: var(--shadow-soft);
             border-top: 1px solid var(--color-border);
             padding: 20px 0;
             z-index: 999; /* Below toggle button but above page content */
        }

        .site-header.nav-open .main-nav ul {
            flex-direction: column; /* Stack links vertically */
            align-items: center; /* Center links */
            gap: 15px; /* Space between links */
            width: 100%;
        }
        .site-header.nav-open .main-nav li {
            width: 100%;
            text-align: center;
        }
        .site-header.nav-open .main-nav a {
            display: block; /* Make link take full width */
            padding: 10px 20px; /* Add padding for easier tapping */
            font-size: 1em; /* Slightly larger font for mobile menu */
            color: var(--color-dark); /* Make links darker for visibility */
        }
        .site-header.nav-open .main-nav a:hover {
            background-color: var(--color-surface-alt);
            color: var(--color-primary);
        }


        /* --- Responsive (REVISED) --- */

        /* Tablet and Larger */
        @media (min-width: 993px) {
             .main-nav ul {
                display: flex; /* Ensure flex is re-enabled */
             }
             /* Ensure footer accordion elements are hidden/reset */
             .footer-column h4 { display: block; }
             .footer-column button.footer-toggle { display: none; }
             .footer-column ul {
                 max-height: none; /* Remove height restriction */
                 overflow: visible;
                 padding-bottom: 0; /* Reset padding */
             }
        }

        /* Tablet Landscape & Smaller Desktops */
        @media (max-width: 1200px) {
            .container { max-width: 1140px; padding: 0 25px; } /* Adjust container slightly */
            .related-products-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
            .footer-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 40px; } /* Adjust footer columns */
        }

        /* Portrait Tablet & Below - Mobile Nav Trigger Point */
        @media (max-width: 992px) {
            .container { padding: 0 25px; } /* Consistent padding */
            .site-header .container {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
            .logo { font-size: 1.7em; }

            /* --- Mobile Nav Activation --- */
            .mobile-nav-toggle { display: block; }
            .main-nav { display: none; }
            .main-nav ul { gap: 0; }
             /* --- End Mobile Nav Activation --- */

            .product-page-grid { grid-template-columns: 1fr; gap: 40px; padding: 40px; }
            .product-title { font-size: 2.3em; }
            .product-price { font-size: 2em; }

            .tabs-nav { overflow-x: auto; white-space: nowrap; padding-bottom: 5px; }
            .tab-button { flex-shrink: 0; }

            /* Adjust footer grid for tablet */
            .footer-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 35px; }
        }

        /* Mobile Landscape & Portrait - Footer Accordion Trigger Point */
        @media (max-width: 767px) {
            .container { padding: 0 20px; }
            .site-header { padding: 20px 0; margin-bottom: 30px; }
            .logo { font-size: 1.6em; }
            .mobile-nav-toggle { font-size: 1.6em; }

            .breadcrumbs { padding: 20px 0; font-size: 0.8em; }

            .product-page-grid { padding: 30px; gap: 30px; }
            .product-title { font-size: 2em; }
            .product-price { font-size: 1.8em; }

            .product-info { gap: 15px; }
            .product-actions { gap: 12px; }
            .action-button { padding: 15px 25px; font-size: 0.9em; }

            .carousel-control { width: 38px; height: 38px; font-size: 14px; }
            .carousel-control.prev { left: 15px; }
            .carousel-control.next { right: 15px; }
            .carousel-thumbnails { gap: 10px; grid-template-columns: repeat(auto-fill, minmax(60px, 1fr)); }

            .product-details-section { padding: 35px 25px; margin-bottom: 40px; }
            .tabs-nav { margin-bottom: 25px; }
            .tab-button { padding: 14px 18px; font-size: 0.85em; }

            .related-products-section { padding: 40px 0; margin-bottom: 40px; }
            .related-products-section h2 { font-size: 1.8em; margin-bottom: 35px; }
            .related-products-grid { grid-template-columns: 1fr 1fr; gap: 20px; }

            /* --- Footer Accordion Styles --- */
            .site-footer {
                padding: 40px 0 30px; /* Réduire le padding vertical */
                 margin-top: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr; /* Forcer une seule colonne pour l'accordéon */
                gap: 0px; /* Pas d'espace entre les colonnes repliées */
                margin-bottom: 30px; /* Réduire l'espace avant le bottom */
            }
            .footer-column {
                border-bottom: 1px solid #495057; /* Séparateur entre sections */
            }
             .footer-column:last-child {
                 border-bottom: none;
             }
            .footer-column h4 { /* Cacher le H4 sur mobile */
                display: none;
            }
            .footer-column button.footer-toggle { /* Afficher et styler le bouton */
                display: flex;
                justify-content: space-between;
                align-items: center;
                width: 100%;
                background: none;
                border: none;
                color: #fff;
                font-family: var(--font-primary);
                font-size: 1em;
                font-weight: 700;
                text-transform: uppercase;
                letter-spacing: 1.5px;
                padding: 18px 0;
                margin: 0;
                text-align: left;
                cursor: pointer;
            }
             .footer-column button.footer-toggle i { /* Style de l'icône chevron */
                 font-size: 0.8em;
                 transition: transform var(--transition-speed) ease;
                 color: #adb5bd;
             }
            .footer-column button.footer-toggle[aria-expanded="true"] i {
                transform: rotate(180deg); /* Rotation quand ouvert */
            }

            .footer-column ul {
                /* Cacher la liste par défaut avec max-height pour l'animation */
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease-out, padding-bottom 0.4s ease-out;
                margin: 0;
                padding-bottom: 0; /* Pas de padding quand fermé */
            }
            .footer-column button.footer-toggle[aria-expanded="true"] + ul {
                /* Afficher la liste quand le bouton est ouvert */
                max-height: 300px; /* Ajustez si nécessaire */
                padding-bottom: 20px; /* Ajouter de l'espace sous la liste ouverte */
                transition: max-height 0.5s ease-in, padding-bottom 0.5s ease-in;
            }
            .footer-column li {
                margin-bottom: 12px; /* Espacement réduit des items */
                padding-left: 10px; /* Légère indentation */
            }
             .footer-column li:last-child {
                 margin-bottom: 0;
             }
            .footer-column a {
                font-size: 0.9em; /* Taille de police réduite pour les liens */
            }
            .footer-bottom {
                 padding-top: 25px;
                 font-size: 0.8em;
            }
            /* --- Fin Footer Accordion Styles --- */
        }

        /* Small Mobile Portrait */
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            .logo { font-size: 1.4em; }
            .mobile-nav-toggle { font-size: 1.5em; }

            .product-page-grid { padding: 20px; gap: 25px; }
            .product-title { font-size: 1.7em; }
            .product-price { font-size: 1.6em; }
            .product-price-wrapper { padding: 15px 0; }

            .variant-label { font-size: 0.8em; }
            .swatch { width: 30px; height: 30px; gap: 10px; }
            .quantity-selector button, .quantity-selector input[type="number"] { height: 36px; }
            .quantity-selector button { width: 36px; font-size: 0.9em;}
            .quantity-selector input[type="number"] { width: 45px; font-size: 0.9em;}

            .action-button { padding: 13px 20px; font-size: 0.8em; letter-spacing: 1px; }
            .trust-info { gap: 10px 15px; font-size: 0.75em; }
            .social-links a { width: 34px; height: 34px; font-size: 1em; }

            .product-details-section { padding: 30px 15px; }
            .tab-button { padding: 12px 12px; letter-spacing: 0.5px; font-size: 0.8em; }
            .tab-content h3 { font-size: 1.4em; margin-bottom: 15px;}
            .tab-content p, .tab-content ul { margin-bottom: 15px; font-size: 0.95em; line-height: 1.7; }
            .tab-content li { padding-left: 25px; margin-bottom: 10px; }
            .tab-content li::before { top: 4px; }

            .related-products-section h2 { font-size: 1.6em; margin-bottom: 30px; }
            .related-products-grid { gap: 15px; }
            .related-product-card .image-container { padding: 15px; }
            .related-product-info { padding: 15px 10px;}
            .related-product-title { font-size: 0.95em; height: auto; margin-bottom: 8px; } /* Allow title to wrap */
            .related-product-price { font-size: 1em; margin-bottom: 10px; }
            .view-details-link { font-size: 0.75em; }

             /* Footer Adjustments for Small Mobile */
             .footer-column button.footer-toggle {
                 font-size: 0.95em; /* Encore un peu plus petit */
                 padding: 15px 0;
             }
             .footer-column li {
                 margin-bottom: 10px;
             }
             .footer-column a {
                font-size: 0.85em;
             }
             .footer-bottom {
                 font-size: 0.75em;
             }
        }