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

        :root {
            --primary-color: #667eea;
            --secondary-color: #764ba2;
            --accent-color: #f093fb;
            --dark-color: #1a1a2e;
            --darker-color: #16213e;
            --light-color: #f8f9fa;
            --text-color: #333;
            --text-light: #666;
            --white: #ffffff;
            --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
        }

        body {
            font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            overflow-x: hidden;
            background: var(--light-color);
        }

        /* Header & Navigation */
        header {
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.2rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        /* Logo */
        .logo-container {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            text-decoration: none;
            z-index: 1001;
            position: relative;
        }

        .logo-img {
            height: 50px;
            width: 50px;
            object-fit: cover;
            border-radius: 12px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            border-radius: 50px;
        }

        .logo-img:hover {
            transform: scale(1.05) rotate(5deg);
            box-shadow: var(--shadow-md);
        }

        .logo-text {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }

        /* Navigation Links Desktop */
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2.5rem;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-links a::before {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transition: width 0.3s ease;
        }

        .nav-links a:hover::before,
        .nav-links a.active::before {
            width: 100%;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary-color);
        }

        /* Menu Hamburger Moderne */
        .burger-container {
            display: none;
            align-items: center;
            z-index: 1001;
        }

        .burger-menu {
            width: 45px;
            height: 45px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            cursor: pointer;
            padding: 10px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .burger-menu::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s;
        }

        .burger-menu:hover::before {
            left: 100%;
        }

        .burger-menu:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow-md);
        }

        .burger-line {
            width: 24px;
            height: 2.5px;
            background: white;
            transition: var(--transition);
            border-radius: 2px;
        }

        .burger-menu.active {
            background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
            transform: rotate(90deg);
        }

        .burger-menu.active .burger-line:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }

        .burger-menu.active .burger-line:nth-child(2) {
            opacity: 0;
            transform: translateX(-20px);
        }

        .burger-menu.active .burger-line:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        /* Menu Mobile avec fond dégradé moderne */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            max-width: 400px;
            height: 100vh;
            background: linear-gradient(135deg,
                var(--primary-color) 0%,
                var(--secondary-color) 50%,
                var(--accent-color) 100%);
            z-index: 999;
            transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
            box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
        }

        .mobile-menu::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255,255,255,0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .mobile-menu.active {
            right: 0;
        }

        .mobile-menu-content {
            padding: 100px 2.5rem 3rem;
            position: relative;
            z-index: 1;
        }

        .mobile-menu-header {
            margin-bottom: 3rem;
            text-align: center;
        }

        .mobile-menu-header h2 {
            color: white;
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .mobile-menu-header p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
        }

        .mobile-nav-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .mobile-nav-links li {
            opacity: 0;
            transform: translateX(50px);
            transition: var(--transition);
        }

        .mobile-menu.active .mobile-nav-links li {
            opacity: 1;
            transform: translateX(0);
        }

        .mobile-menu.active .mobile-nav-links li:nth-child(1) { transition-delay: 0.1s; }
        .mobile-menu.active .mobile-nav-links li:nth-child(2) { transition-delay: 0.15s; }
        .mobile-menu.active .mobile-nav-links li:nth-child(3) { transition-delay: 0.2s; }
        .mobile-menu.active .mobile-nav-links li:nth-child(4) { transition-delay: 0.25s; }
        .mobile-menu.active .mobile-nav-links li:nth-child(5) { transition-delay: 0.3s; }

        .mobile-nav-links a {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.2rem 1.5rem;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 16px;
            color: white;
            text-decoration: none;
            font-weight: 500;
            font-size: 1.05rem;
            transition: var(--transition);
        }

        .mobile-nav-links a:hover,
        .mobile-nav-links a.active {
            background: rgba(255, 255, 255, 0.25);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateX(10px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .mobile-nav-icon {
            font-size: 1.3rem;
        }

        /* Overlay avec effet blur */
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .nav-overlay.active {
            opacity: 1;
        }

        /* Main Content */
        main {
            margin-top: 85px;
            min-height: calc(100vh - 85px);
        }

        /* Footer Moderne */
        footer {
            background: linear-gradient(135deg, var(--darker-color) 0%, var(--dark-color) 100%);
            color: white;
            padding: 4rem 5% 2rem;
            margin-top: 4rem;
            position: relative;
            overflow: hidden;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(circle at 30% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
        }

        .footer-section h3 {
            margin-bottom: 1.5rem;
            color: white;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 0.8rem;
        }

        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section ul li {
            margin-bottom: 0.8rem;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-section a:hover {
            color: white;
            transform: translateX(5px);
        }

        .footer-section p {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            z-index: 1;
        }

        .social-links {
            display: flex;
            gap: 1rem;
            justify-content: center;
            margin-top: 1.5rem;
        }

        .social-links a {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: var(--transition);
            font-size: 1.2rem;
        }

        .social-links a:hover {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
            border-color: transparent;
        }

        /* Responsive */
        @media screen and (max-width: 968px) {
            .nav-links {
                display: none;
            }

            .burger-container {
                display: flex;
            }

            .nav-overlay.active {
                display: block;
            }

            nav {
                padding: 1rem 3%;
            }

            main {
                margin-top: 75px;
            }
        }

        @media screen and (max-width: 768px) {
            .logo-text {
                font-size: 1.4rem;
            }

            .logo-img {
                height: 42px;
                width: 42px;
            }

            .mobile-menu {
                max-width: 100%;
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .footer-section h3::after {
                left: 50%;
                transform: translateX(-50%);
            }
        }

        @media screen and (max-width: 480px) {
            .logo-text {
                font-size: 1.2rem;
            }

            .logo-img {
                height: 38px;
                width: 38px;
            }

            .mobile-menu-content {
                padding: 90px 1.5rem 2rem;
            }

            footer {
                padding: 3rem 3% 1.5rem;
            }
        }

        /* Animations personnalisées */
        @keyframes slideInRight {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        /* Styles supplémentaires */