:root {
            /* Variables globales - Thème Sombre par défaut */
            --primary-green: #008A45;
            --secondary-green: #39B54A;
            --primary-blue: #009EE0;
            --neon-green: #64ffda;
            --neon-blue: #00d2ff;
            --card-border-radius: 1.5rem;
            --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
            
            /* Thème Sombre Spécifique */
            --bg-main: #030a16;
            --bg-dark: #0a192f;
            --bg-card: rgba(17, 34, 64, 0.45);
            --bg-card-hover: rgba(17, 34, 64, 0.65);
            --border-color: rgba(255, 255, 255, 0.05);
            --border-color-hover: rgba(0, 138, 69, 0.3);
            --text-main: #ecf0f3;
            --text-muted: #a8b2d1;
            --glass-nav-bg: rgba(3, 10, 22, 0.75);
            --glass-nav-scrolled: rgba(3, 10, 22, 0.95);
            --hero-gradient: radial-gradient(circle at 50% 50%, #0d1e36 0%, #030a16 100%);
            --input-bg: rgba(10, 25, 47, 0.45);
            --timeline-inactive-btn: #112240;
        }

        [data-theme="light"] {
            /* Thème Clair Spécifique */
            --bg-main: #f8fafc;
            --bg-dark: #ffffff;
            --bg-card: rgba(255, 255, 255, 0.8);
            --bg-card-hover: rgba(255, 255, 255, 0.95);
            --border-color: rgba(15, 23, 42, 0.08);
            --border-color-hover: rgba(0, 138, 69, 0.4);
            --text-main: #0f172a;
            --text-muted: #475569;
            --glass-nav-bg: rgba(248, 250, 252, 0.8);
            --glass-nav-scrolled: rgba(248, 250, 252, 0.98);
            --hero-gradient: radial-gradient(circle at 50% 50%, #e2e8f0 0%, #f8fafc 100%);
            --input-bg: rgba(255, 255, 255, 0.9);
            --timeline-inactive-btn: #e2e8f0;
        }

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-main);
            color: var(--text-main);
            overflow-x: hidden;
            transition: background-color 0.4s ease, color 0.4s ease;
        }

        /* Sélecteurs génériques pour adaptation dynamique */
        .text-theme-primary {
            color: var(--text-main) !important;
            transition: color 0.4s ease;
        }

        .text-theme-muted {
            color: var(--text-muted) !important;
            transition: color 0.4s ease;
        }

        .bg-theme-main {
            background-color: var(--bg-main) !important;
            transition: background-color 0.4s ease;
        }

        .bg-theme-dark {
            background-color: var(--bg-dark) !important;
            transition: background-color 0.4s ease;
        }

        h1, h2, h3, h4, .brand-font {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
        }

        /* Barre de défilement premium */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-main);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary-green);
            border-radius: 4px;
        }

        .glass-nav {
            background: var(--glass-nav-bg);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition-smooth);
            z-index: 1050;
        }

        .glass-nav.scrolled {
            background: var(--glass-nav-scrolled);
            padding: 0.5rem 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border-bottom: 1px solid rgba(0, 138, 69, 0.2);
        }

        .nav-link {
            color: var(--text-muted) !important;
            font-weight: 600;
            transition: var(--transition-smooth);
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary-green) !important;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary-green);
            transition: var(--transition-smooth);
            transform: translateX(-50%);
        }

        .nav-link:hover::after, .nav-link.active::after {
            width: 70%;
        }

        header .navbar-brand .logo img{
            max-height: 10px;
        }

        /* Boutons Premium */
        .btn-brand-glow {
            background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
            color: white !important;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            transition: var(--transition-smooth);
            position: relative;
            z-index: 1;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 138, 69, 0.3);
        }

        .btn-brand-glow::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
            opacity: 0;
            z-index: -1;
            transition: var(--transition-smooth);
        }

        .btn-brand-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 138, 69, 0.6);
        }

        .btn-brand-glow:hover::before {
            opacity: 1;
        }

        .btn-outline-glow {
            background: transparent;
            color: var(--text-main) !important;
            border: 2px solid var(--border-color);
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition-smooth);
        }

        .btn-outline-glow:hover {
            border-color: var(--primary-blue);
            background: rgba(0, 158, 224, 0.05);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 158, 224, 0.2);
        }

        .back-to-top-btn {
            position: fixed;
            right: 1.25rem;
            bottom: 1.25rem;
            width: 3rem;
            height: 3rem;
            border: none;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
            color: white;
            box-shadow: 0 10px 25px rgba(0, 138, 69, 0.28);
            z-index: 1060;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: var(--transition-smooth);
        }

        .back-to-top-btn:hover {
            transform: translateY(-3px) scale(1.04);
            box-shadow: 0 15px 30px rgba(0, 138, 69, 0.35);
        }

        .back-to-top-btn.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        /* Theme Toggle Button Style */
        .theme-toggle-btn {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .theme-toggle-btn:hover {
            background: var(--bg-card-hover);
            border-color: var(--primary-green);
            transform: scale(1.05);
        }

        /* Hero Canvas */
        #hero-canvas {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
        }

        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 8rem;
            padding-bottom: 6rem;
            background: var(--hero-gradient);
            overflow: hidden;
            transition: background 0.4s ease;
        }

        .dynamic-word {
            color: var(--primary-green);
            text-shadow: 0 0 15px rgba(0, 138, 69, 0.4);
            transition: var(--transition-smooth);
            display: inline-block;
        }

        /* Cards Glassmorphism */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(15px);
            border: 1px solid var(--border-color);
            border-radius: var(--card-border-radius);
            padding: 2.5rem;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            transform: translateY(-10px) scale(1.02);
            border-color: var(--border-color-hover);
            box-shadow: 0 20px 40px rgba(0, 138, 69, 0.12);
            background: var(--bg-card-hover);
        }

        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0, 138, 69, 0.1) 0%, transparent 60%);
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        .glass-card:hover::before {
            opacity: 1;
        }

        /* Système de Scroll Reveal robuste */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        .reveal-left {
            opacity: 0;
            transform: translateX(-50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .reveal-left.active {
            opacity: 1;
            transform: translateX(0);
        }

        .reveal-right {
            opacity: 0;
            transform: translateX(50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .reveal-right.active {
            opacity: 1;
            transform: translateX(0);
        }

        @media (prefers-reduced-motion: reduce) {
            .reveal, .reveal-left, .reveal-right {
                opacity: 1 !important;
                transform: none !important;
            }
        }

        .interactive-timeline {
            position: relative;
            padding: 2rem 0;
        }

        .timeline-progress-bar {
            position: absolute;
            top: 50%;
            left: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-green), var(--primary-blue));
            z-index: 1;
            width: 0%;
            transition: width 2s ease-in-out;
        }

        .timeline-step-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--timeline-inactive-btn);
            border: 3px solid var(--border-color);
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.25rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            position: relative;
            z-index: 2;
            box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
        }

        .timeline-step-btn.active {
            background: var(--primary-green);
            border-color: var(--neon-green);
            color: #fff !important;
            box-shadow: 0 0 25px rgba(0, 138, 69, 0.5);
            transform: scale(1.15);
        }

        .timeline-step-btn:hover {
            transform: scale(1.1);
            border-color: var(--primary-blue);
        }

        /* Marquee de Partenaires */
        .partners-marquee {
            overflow: hidden;
            white-space: nowrap;
            position: relative;
            width: 100%;
            padding: 1.5rem 0;
        }

        .partners-track {
            display: inline-flex;
            gap: 3rem;
            animation: marquee 25s linear infinite;
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .partner-logo-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 1.5rem 2.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-smooth);
        }

        .partner-logo-item:hover {
            color: var(--primary-green);
            background: var(--bg-card-hover);
            border-color: rgba(0, 138, 69, 0.2);
            transform: scale(1.05);
        }

        /* Form Controls Custom inputs for mode adaptation */
        .custom-form-input {
            background-color: var(--input-bg);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            transition: var(--transition-smooth);
        }

        .custom-form-input::placeholder {
            color: var(--text-muted) !important;
            opacity: 0.8;
        }

        .custom-form-input:focus {
            background-color: var(--bg-dark);
            border-color: var(--primary-green);
            color: var(--text-main);
            box-shadow: 0 0 0 0.25rem rgba(0, 138, 69, 0.15);
        }

        /* Boutons de réseaux sociaux hautement visibles */
        .footer-social-btn {
            color: var(--text-main) !important;
            border: 1px solid var(--border-color) !important;
            width: 40px;
            height: 40px;
            text-decoration: none;
            background: transparent;
            transition: var(--transition-smooth);
        }

        .footer-social-btn:hover {
            color: var(--primary-green) !important;
            border-color: var(--primary-green) !important;
            background: rgba(0, 138, 69, 0.08);
            transform: translateY(-2px);
        }