/* ===== RESET & BASE ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
        }

        /* ===== NAVIGATION ===== */
        nav {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 1rem;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            color: white;
            font-size: 1.5rem;
            font-weight: bold;
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: opacity 0.3s;
        }

        .nav-links a:hover {
            opacity: 0.8;
        }

     
        /* ===== CONTENEUR PRINCIPAL ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }

        /* ===== HEADER ===== */
        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            border-radius: 0 0 50px 50px;
            margin-bottom: 3rem;
        }

        header h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        header p {
            font-size: 1.2rem;
            opacity: 0.9;
        }

        .btn {
            display: inline-block;
            background-color: white;
            color: #667eea;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            margin-top: 2rem;
            transition: transform 0.3s;
        }

        .btn:hover {
            transform: translateY(-3px);
        }

        /* ===== SERVICES ===== */

        section h2{
            color: #667eea; margin-bottom: 2rem; text-align: center;
        }

        .services {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }

        .service-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }

        .service-card:hover {
            transform: translateY(-10px);
        }

        .service-card h3 {
            color: #667eea;
            margin-bottom: 1rem;
        }
        
        .service-card h3 a {
            color: #667eea;
            margin-bottom: 1rem;
            animation: clignotant 3s infinite;
        }
        

        /* ===== À PROPOS ===== */
        .about {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            margin: 3rem 0;
        }

        .about h2 {
            color: #667eea;
            margin-bottom: 1rem;
        }

        .about p {
            margin-top: 1rem;
        }

        /* ===== CONTACT ===== */
        .contact {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            margin: 3rem 0;
        }

        .contact h2 {
            text-align: center; color: #667eea; margin-bottom: 2rem;
        }

        .contact form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .contact input,
        .contact textarea {
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        .contact input:focus,
        .contact textarea:focus {
            outline: none;
            border-color: #667eea;
        }

        .contact textarea {
            min-height: 150px;
            resize: vertical;
        }

        .contact button {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem;
            border: none;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: opacity 0.3s;
        }

        .contact button:hover {
            opacity: 0.9;
        }
        
        .contact p {
            text-align: center; margin-top: 2rem;
        }
        /* ===== FOOTER ===== */
        footer {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
            padding: 2rem;
            border-radius: 50px 50px 0 0;
            margin-top: 3rem;
        }

        footer .p {
            margin-top: 0.5rem;
        }

        footer a.hidden-link {
            color: white;
        }
        


        /* ===== RESPONSIVE (MOBILE) ===== */
        @media screen and (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
                flex-direction: column;
                align-items: center;
                padding: 2rem;
                gap: 1.5rem;
            }

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

            .burger {
                display: flex;
            }

            header h1 {
                font-size: 2rem;
            }

            .container {
                padding: 1rem;
            }

            .services {
                grid-template-columns: 1fr;
            }

            .about, .contact {
                padding: 2rem;
            }
        }

        @media screen and (max-width: 480px) {
            header h1 {
                font-size: 1.5rem;
            }

            header p {
                font-size: 1rem;
            }

            .btn {
                padding: 0.6rem 1.5rem;
            }
        }

           /* ===== MENU BURGER (MOBILE) ===== */
        .burger {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }

        .burger span {
            width: 25px;
            height: 3px;
            background-color: white;
            margin: 3px 0;
            transition: 0.3s;
            border-radius: 3px;
        }

        /* =====KeyFrames ===== */
         @keyframes clignotant {
            0% {opacity: 1;}
            50% {opacity: 0;}
            100% {opacity: 1;}
            
         }