 <style>
        /* Reset et styles de base */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, sans-serif;
        }

        /* Styles pour remplacer les icônes Font Awesome */
        .icon {
            font-style: normal;
            font-weight: normal;
            display: inline-block;
            text-decoration: none;
            text-rendering: auto;
            -webkit-font-smoothing: antialiased;
        }

        .icon-bars::before {
            content: "☰";
        }

        .icon-times::before {
            content: "✕";
        }

        .icon-envelope::before {
            content: "✉";
        }

        .icon-chevron-down::before {
            content: "▾";
        }

        .icon-search::before {
            content: "🔍";
        }



        /* Styles de l'en-tête principal */
        .main-header {
            background: white;
            border-bottom: 1px solid #eee;
            height: 100px;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: stretch;
            height: 100%;
        }

        /* Partie gauche - Logo */
        .logo-section {
            display: flex;
            align-items: center;
            padding: 10px 20px;
            width: 20%;
        }

        .logo-container img {
            height: 104px;
            width: auto;
            object-fit: contain;
        }

        /* Partie centrale - Navigation */
        .menu-section {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            width: 60%;
            padding-right: 0;
        }

        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 15px;
            margin-left: auto;
            padding-right: 0;
        }

        .menu-toggle {
            display: none;
            font-size: 24px;
            cursor: pointer;
            padding: 15px;
            z-index: 2;
            background: none;
            border: none;
        }

        .nav-menu a {
            text-decoration: none;
            font-size: 17px;
            color: #333;
            padding: 15px;
            white-space: nowrap;
            font-weight: bold;
        }

        .nav-menu a.active {
            color: #e74c3c;
        }

        .nav-menu a.services {
            color: #3498db;
        }

        /* Styles pour le sous-menu principal */
        .nav-menu li {
            list-style: none;
            position: relative;
        }

        .nav-menu li ul {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background: white;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            min-width: 200px;
            z-index: 1000;
            border-radius: 4px;
        }

        .nav-menu li:hover ul {
            display: block;
        }

        .nav-menu li ul li {
            display: block;
            width: 100%;
        }

        .nav-menu li ul li a {
            padding: 10px 15px;
            display: block;
            color: #333;
            border-bottom: 1px solid #eee;
            white-space: nowrap;
        }

        .nav-menu li ul li:last-child a {
            border-bottom: none;
        }

        .nav-menu li ul li a:hover {
            background-color: #f8f8f8;
        }

        .nav-menu li.has-submenu > a::after {
            content: '▾';
            margin-left: 5px;
            display: inline-block;
        }

        /* Partie droite - Contact */
        .contact-section {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            width: 5%;
            padding-right: 0;
        }

        .contact-btn {
            background-color: #b8b8b8;
            color: white;
            display: flex;
            align-items: center;
            padding: 0 25px;
            text-decoration: none;
            height: 100%;
            margin: 0;
        }

        .contact-btn i {
            margin-right: 8px;
        }

        /* Style pour le banner-title */
        .banner-title {
            background-color: #B8B8B8;
            padding: 60px 0;
            text-align: center;
            position: relative;
        }

        .banner-title h1 {
            color: white;
            font-size: 48px;
            font-weight: bold;
        }

        .color-stripes {
            display: flex;
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 8px;
        }

        .stripe {
            flex: 1;
        }

        .stripe-red { background-color: #e74c3c; }
        .stripe-yellow { background-color: #f1c40f; }
        .stripe-blue { background-color: #3498db; }

        /* Styles pour le menu burger */
        .burger-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: #2C3E50;
            z-index: 1000;
            display: none;
            overflow-y: auto;
        }

        .burger-menu.active {
            display: block;
        }

        .burger-header {
            text-align: center;
            padding: 20px;
            position: relative;
        }

        .burger-logo {
            margin: 0 auto;
            max-width: 300px;
        }

        .close-menu {
            position: absolute;
            top: 20px;
            right: 20px;
            color: white;
            font-size: 24px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 10px;
        }

        .burger-nav {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .burger-nav a {
            color: white;
            text-decoration: none;
            padding: 15px;
            text-align: left;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        /* Styles pour le sous-menu du burger */
        .burger-nav .sub-menu-items {
            display: none;
            padding-left: 20px;
            background: rgba(255, 255, 255, 0.1);
        }

        .burger-nav .sub-menu-items.active {
            display: block;
        }

        .burger-nav .sub-menu-items a {
            padding: 10px 15px;
            font-size: 16px;
            border-left: 2px solid rgba(255, 255, 255, 0.2);
        }

        .burger-nav .sub-menu {
            position: relative;
        }

        .burger-nav .sub-menu i {
            transition: transform 0.3s ease;
        }

        .burger-nav .sub-menu.active i {
            transform: rotate(180deg);
        }

      
    

        /* Styles additionnels */
        .main-content {
            text-align: center;
            margin-top: 30px;
            padding: 0 20px;
        }

        .main-content p {
            font-size: 20px;
            margin-bottom: 30px;
        }

        .main-content h2 {
            font-size: 24px;
            color: #333;
        }

        /* Media Queries */
        @media screen and (min-width: 769px) {
            .menu-toggle {
                display: none !important;
            }
            
            .nav-menu {
                display: flex !important;
            }
            
            .burger-menu {
                display: none !important;
            }
        }

        @media screen and (max-width: 1024px) {
            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .menu-section {
                width: 50%;
            }
            
            .contact-section {
                width: 5%;
            }
            
            .logo-section {
                width: 25%;
            }
        }

        @media screen and (max-width: 768px) {
            .menu-section {
                position: relative;
            }

            .menu-toggle {
                display: block;
            }

            .nav-menu {
                display: none;
            }
            
            .contact-section {
                display: none;
            }

            .nav-menu li ul {
                position: static;
                box-shadow: none;
                display: none;
                background: #f8f8f8;
            }
            
            .nav-menu li:hover ul {
                display: none;
            }
            
            .nav-menu li.active ul {
                display: block;
            }

            .banner-title h1 {
                font-size: 36px;
            }
        }
    </style>