/* --- Styles Globaux & Thème Lumineux --- */
        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

        :root {
            --dark-bg: #0a0a0a;
            --glow-color: #97b5e8;
            --primary-text: #e0e0e0;
            --secondary-text: #a0a0a0;
            --container-bg: #111111;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Poppins', sans-serif;
            background-color: var(--dark-bg);
            color: var(--primary-text);
            overflow-x: hidden;
        }
		
		.lang-hidden {
    display: none !important;
}

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 2rem;
        }

        h1, h2, h3 {
            font-weight: 600;
            letter-spacing: 1px;
            text-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
        }

        .glow-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #fff;
            text-shadow:
                0 0 5px #fff,
                0 0 10px #fff,
                0 0 20px var(--glow-color),
                0 0 30px var(--glow-color);
        }

        /* --- En-tête & Navigation --- */
        .main-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 2.5rem;
            background: rgba(10, 10, 10, 0.5);
            backdrop-filter: blur(10px);
            z-index: 1000;
            transition: background 0.3s ease;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            letter-spacing: 2px;
            text-shadow: 0 0 10px var(--glow-color);
        }
        
        .nav-wrapper {
            display: flex;
            align-items: center;
        }

        .main-nav a {
            color: var(--primary-text);
            text-decoration: none;
            margin-left: 2rem;
            font-weight: 400;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }

        .main-nav a:hover, .main-nav a.active {
            color: #fff;
            text-shadow: 0 0 8px var(--glow-color);
        }

        /* --- Sélecteur de langue --- */
        .lang-switcher {
            margin-left: 2.5rem;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 0.2rem;
        }

        .lang-switcher button {
            background: none;
            border: none;
            color: var(--secondary-text);
            padding: 0.4rem 0.8rem;
            cursor: pointer;
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            border-radius: 20px;
            transition: all 0.3s ease;
        }

        .lang-switcher button.active {
            background-color: var(--glow-color);
            color: var(--dark-bg);
            box-shadow: 0 0 10px var(--glow-color);
        }

        /* --- Section Héro --- */
        .hero-section {
            height: 100vh;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            color: #fff;
            padding: 0 2rem;
        }
        
        #promo-video {
            position: absolute;
            top: 50%;
            left: 50%;
            min-width: 100%;
            min-height: 100%;
            width: auto;
            height: auto;
            transform: translateX(-50%) translateY(-50%);
            z-index: -1;
            object-fit: cover;
            opacity: 0.3;
        }
        
        .hero-content {
            padding: 2rem;
        }

        .hero-content h1 {
            font-size: clamp(2.5rem, 6vw, 4rem); /* Responsive font size */
            font-weight: 700;
            margin-bottom: 1rem;
            text-shadow:
                0 0 10px rgba(255, 255, 255, 0.7),
                0 0 20px var(--glow-color),
                0 0 40px var(--glow-color);
        }

        .hero-content p {
            font-size: 1.2rem;
            font-weight: 300;
            max-width: 600px;
            margin: 0 auto 2rem;
            color: var(--primary-text);
        }

        .glow-button {
            display: inline-block;
            padding: 0.8rem 2rem;
            border: 2px solid var(--glow-color);
            border-radius: 50px;
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            background-color: transparent;
            box-shadow: 0 0 15px var(--glow-color);
            transition: background-color 0.3s ease, box-shadow 0.3s ease;
        }

        .glow-button:hover {
            background-color: var(--glow-color);
            color: var(--dark-bg);
            box-shadow: 0 0 25px var(--glow-color), 0 0 50px var(--glow-color);
        }
        
        /* --- Section Services --- */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .service-card:hover {
            transform: translateY(-10px);
            border-color: var(--glow-color);
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
        }
		
		.service-card {
			position: relative; /* Needed for absolute positioning inside */
			overflow: hidden;   /* Prevent image from spilling out */
			background-color: var(--container-bg);
			padding: 2rem;
			border-radius: 10px;
			text-align: center;
			border: 2px solid transparent;
			display: flex;
			flex-direction: column;
			justify-content: space-between;
			transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
		}

		.card-bg-image {
			position: absolute;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			object-fit: cover;
			opacity: 0;
			transition: opacity 0.3s ease;
			z-index: 0;
		}

		.service-card:hover .card-bg-image {
			opacity: 0.2;
		}

		/* Ensure content stays above the image */
		.service-card > *:not(.card-bg-image) {
			position: relative;
			z-index: 1;
		}

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #fff;
        }

        .service-card p {
            color: var(--secondary-text);
            margin-bottom: 1.5rem;
            flex-grow: 1;
        }
        
        .contact-link {
             color: var(--glow-color);
             font-weight: 600;
             text-decoration: none;
        }

        /* --- Section Étalonnage --- */
        #color-grading {
            background-color: var(--container-bg);
        }

        .color-grading-content {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .color-grading-content p {
            margin-bottom: 2rem;
            color: var(--secondary-text);
            line-height: 1.8;
        }
        
        .before-after-slider {
            width: 100%;
            height: 400px;
            background: linear-gradient(90deg, #444 49.9%, #888 50.1%);
            border-radius: 10px;
            display:flex;
            justify-content:space-around;
            align-items:center;
            font-size: 1.5rem;
            border: 2px dashed var(--glow-color);
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.2) inset;
            color: #fff;
            padding: 1rem;
            position: relative;
        }
        
        .before-after-slider::before {
            content: "AVANT / BEFORE";
            position: absolute;
            left: 25%;
            top: 50%;
            transform: translate(-50%, -50%);
            opacity: 0.8;
        }
        
        .before-after-slider::after {
            content: "APRÈS / AFTER";
            position: absolute;
            left: 75%;
            top: 50%;
            transform: translate(-50%, -50%);
            opacity: 0.8;
        }

        /* --- Pied de page --- */
        .footer {
            background-color: var(--container-bg);
            text-align: center;
            padding: 3rem 1rem;
            margin-top: 4rem;
        }
        
        .footer p {
            color: var(--secondary-text);
        }