/* Variables CSS et thème */
        :root {
            --bg: #ffffff;
            --bg-alt: #f8fafc;
            --bg-card: #ffffff;
            --text: #0f172a;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --accent: #0ea5e9;
            --accent-hover: #0284c7;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
            --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1);
            --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
            --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
        }

        /* Thème sombre */
        [data-theme="dark"] {
            --bg: #0f172a;
            --bg-alt: #1e293b;
            --bg-card: #1e293b;
            --text: #f1f5f9;
            --text-muted: #94a3b8;
            --text-light: #64748b;
            --accent: #38bdf8;
            --accent-hover: #0ea5e9;
            --success: #34d399;
            --warning: #fbbf24;
            --danger: #f87171;
            --border: #334155;
            --border-light: #475569;
        }

        /* Reset et base */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
            transition: var(--transition);
        }

        /* Typographie */
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            background: var(--gradient-primary);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1.5rem;
        }

        h2 {
            font-size: clamp(1.875rem, 4vw, 2.5rem);
            color: var(--text);
            position: relative;
            padding-bottom: 0.5rem;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 3rem;
            height: 3px;
            background: var(--gradient-accent);
            border-radius: 2px;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-muted);
        }

        /* Conteneur principal */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* En-tête */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: saturate(180%) blur(20px);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            transition: var(--transition);
        }

        [data-theme="dark"] .header {
            background: rgba(15, 23, 42, 0.9);
        }

        .header-scrolled {
            box-shadow: var(--shadow);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
            text-decoration: none;
            background: var(--gradient-primary);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
            margin: 0;
        }

        .nav-link {
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 500;
            position: relative;
            transition: var(--transition);
        }

        .nav-link:hover, .nav-link.active {
            color: var(--accent);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -0.5rem;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-accent);
            transition: width 0.3s ease;
        }

        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        /* Bouton de thème */
        .theme-toggle {
            background: none;
            border: 2px solid var(--border);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .theme-toggle:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: white;
            transform: scale(1.1);
        }

        /* Menu mobile */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text);
        }

        /* Section Hero */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            opacity: 0.1;
            background-image: 
                radial-gradient(circle at 20% 80%, var(--accent) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, var(--success) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, var(--warning) 0%, transparent 50%);
            filter: blur(60px);
            animation: float 6s ease-in-out infinite;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .hero-title {
            margin-bottom: 1.5rem;
            animation: slideInUp 1s ease-out;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 1rem;
            animation: slideInUp 1s ease-out 0.2s both;
        }

        .hero-description {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 600px;
            animation: slideInUp 1s ease-out 0.4s both;
        }

        .hero-cta {
            display: flex;
            gap: 1rem;
            margin-bottom: 3rem;
            animation: slideInUp 1s ease-out 0.6s both;
        }

        /* Boutons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: 0.5rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: white;
            box-shadow: var(--shadow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }

        .btn-secondary:hover {
            background: var(--accent);
            color: white;
            transform: translateY(-2px);
        }

        /* Stats en temps réel */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 2rem;
            animation: slideInUp 1s ease-out 0.8s both;
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem;
            background: var(--bg-card);
            border-radius: 1rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .stat-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--gradient-accent);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Sections */
        .section {
            padding: 6rem 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        /* Grille de compétences améliorée */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .skill-category {
            background: var(--bg-card);
            border-radius: 1.5rem;
            padding: 2rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .skill-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
        }

        .skill-category:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-xl);
        }

        .skill-category h3 {
            color: var(--text);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .skill-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .skill-tag {
            background: var(--bg-alt);
            color: var(--text-muted);
            padding: 0.5rem 1rem;
            border-radius: 2rem;
            font-size: 0.875rem;
            font-weight: 500;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .skill-tag:hover {
            background: var(--accent);
            color: white;
            transform: scale(1.05);
        }

        /* Projets avec filtres avancés */
        .projects-controls {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            margin: 3rem 0;
            padding: 1.5rem;
            background: var(--bg-card);
            border-radius: 1rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .search-bar {
            flex: 1;
            min-width: 250px;
            padding: 0.75rem 1rem;
            border: 2px solid var(--border);
            border-radius: 0.5rem;
            background: var(--bg);
            color: var(--text);
            font-size: 1rem;
            transition: var(--transition);
        }

        .search-bar:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
        }

        .project-filters {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 0.5rem 1rem;
            background: transparent;
            border: 2px solid var(--border);
            border-radius: 2rem;
            color: var(--text-muted);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-btn.active,
        .filter-btn:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: white;
        }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .project-card {
            background: var(--bg-card);
            border-radius: 1.5rem;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-xl);
        }

        .project-image {
            height: 200px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: white;
        }

        .project-content {
            padding: 1.5rem;
        }

        .project-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }

        .project-description {
            color: var(--text-muted);
            margin-bottom: 1rem;
            line-height: 1.6;
        }

        .project-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .project-tag {
            background: var(--bg-alt);
            color: var(--text-muted);
            padding: 0.25rem 0.75rem;
            border-radius: 1rem;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .project-links {
            display: flex;
            gap: 1rem;
        }

        .project-link {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.875rem;
            transition: var(--transition);
        }

        .project-link:hover {
            color: var(--accent-hover);
        }

        /* Témoignages avec carrousel */
        .testimonials-container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
            border-radius: 1.5rem;
        }

        .testimonials-slider {
            display: flex;
            transition: transform 0.5s ease;
        }

        .testimonial-card {
            min-width: 100%;
            padding: 3rem 2rem;
            text-align: center;
            background: var(--bg-card);
            border: 1px solid var(--border);
        }

        .testimonial-text {
            font-size: 1.1rem;
            font-style: italic;
            color: var(--text);
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        .testimonial-author {
            color: var(--accent);
            font-weight: 600;
        }

        .testimonial-controls {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 2rem;
        }

        .testimonial-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--border);
            cursor: pointer;
            transition: var(--transition);
        }

        .testimonial-dot.active {
            background: var(--accent);
        }

        /* Tarifs */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .pricing-card {
            background: var(--bg-card);
            border-radius: 1.5rem;
            padding: 2rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .pricing-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
        }

        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-xl);
        }

        .pricing-card h3 {
            color: var(--text);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .pricing-price {
            font-size: 2rem;
            font-weight: 800;
            background: var(--gradient-accent);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1rem;
        }

        .pricing-description {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

        .pricing-features {
            list-style: none;
            padding: 0;
            margin-bottom: 2rem;
        }

        .pricing-features li {
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .pricing-features li::before {
            content: '✅';
            color: var(--success);
        }

        /* Contact avancé */
        .contact-form {
            max-width: 600px;
            margin: 0 auto;
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 1.5rem;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--text);
        }

        .form-input,
        .form-textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid var(--border);
            border-radius: 0.5rem;
            background: var(--bg);
            color: var(--text);
            font-size: 1rem;
            transition: var(--transition);
            resize: vertical;
        }

        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 3rem 0;
        }

        .social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            background: var(--bg-card);
            border-radius: 50%;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .social-link:hover {
            background: var(--accent);
            color: white;
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        /* Footer */
        .footer {
            background: var(--bg-alt);
            padding: 2rem 0;
            border-top: 1px solid var(--border);
            text-align: center;
            color: var(--text-muted);
        }

        /* Animations */
        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        /* Styles révélation au scroll */
        .reveal {
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        /* Responsive */
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-card);
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 1rem 1rem;
                padding: 1rem;
                flex-direction: column;
                gap: 1rem;
            }

            .nav-menu.active {
                display: flex;
            }

            .hero-cta {
                flex-direction: column;
                align-items: center;
            }

            .projects-controls {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .skills-grid,
            .projects-grid,
            .pricing-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Curseur personnalisé */
        .cursor {
            position: fixed;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--accent);
            pointer-events: none;
            z-index: 9999;
            mix-blend-mode: difference;
            transition: transform 0.1s ease;
        }

        /* Barre de progression */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 3px;
            background: var(--gradient-primary);
            z-index: 1001;
            transition: width 0.1s ease;
        }