  :root {
            --primary: #C8102E;
            --primary-dark: #A50D26;
            --dark: #2E2E2E;
            --light: #F5F5F5;
            --text: #333333;
            --border: #CCCCCC;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --success: #28a745;
            --warning: #ffc107;
            --danger: #dc3545;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }

        body {
            background-color: var(--light);
            color: var(--text);
            line-height: 1.6;
        }
.navigation_bar {
            width: 100%;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            border-bottom: 1px solid #F4F4F4;
            background-color: #FFF;
            position: fixed;
            top: 0;
            transition: all 0.3s ease;
            height: 70px;
        }

        .logo1{
            display: none;
        }

        .navigation_bar ul {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: row;
        }

        .navigation_bar ul li {
            list-style: none;
            padding: 0.2rem 0.5rem;
        }

        .navigation_bar ul li a {
            color: rgba(0, 0, 0, 0.6);
            transition: all 0.2s ease-in;
            text-decoration: none;
            font-size: 17px;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 1rem 0.8rem;
            border-radius: 4px;
        }

        .navigation_bar ul li a:hover {
            color: #C8102E;
            background-color: #C8102E;
        }

        .navigation_bar ul li a:hover .tooltip,
        .navigation_bar ul li a:hover i {
            color: white;
        }

        .navigation_bar ul li a i {
            font-size: 20px;
            margin-bottom: 5px;
            transition: all 0.2s ease-in;
        }

        .tooltip {
            font-size: 14px;
            transition: all 0.2s ease-in;
        }

        /* Bouton menu hamburger (caché par défaut) */
        .menu-toggle {
            display: none;
            position: absolute;
            left: 30px;
            top: 25px;
            transform: translateY(-50%);
            cursor: pointer;
            font-size: 24px;
            color: #C8102E;
            z-index: 1001;
        }

        /* Styles responsives */
        @media screen and (max-width: 543px) {
            .navigation_bar {
                justify-content: flex-start;
                padding-left: 30px; /* Espace pour le logo */
            }

            .menu-toggle {
                display: block;
            }

            .logo1{
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            margin-left: 30%;
            
        }

            .navigation_bar ul {
                position: fixed;
                top: 0;
                left: -250px;
                height: 100vh;
                width: 250px;
                background: white;
                flex-direction: column;
                justify-content: flex-start;
                padding-top: 60px;
                box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
                transition: all 0.3s ease;
                z-index: 999;
            }

            .navigation_bar ul.active {
                left: 0;
            }

            .navigation_bar ul li {
                width: 100%;
                padding: 0;
            }

            .navigation_bar ul li a {
                width: 100%;
                padding: 1.2rem;
                flex-direction: row;
                justify-content: flex-start;
                border-radius: 0;
            }

            .navigation_bar ul li a i {
                margin-bottom: 0;
                margin-right: 15px;
                font-size: 18px;
                width: 24px;
                text-align: center;
            }

            /* Overlay lorsque le menu est ouvert */
            .overlay {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0, 0, 0, 0.5);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
                z-index: 998;
            }

            .overlay.active {
                opacity: 1;
                visibility: visible;
            }

            
            body.menu-open {
                overflow: hidden;
            }
        }

        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 20px;
        }

        
        /* Hero Section */
        .hero {
            background: url('https://images.unsplash.com/photo-1517245386807-bb43f82c33c4?ixlib=rb-4.0.3&auto=format&fit=crop&w=1500&q=80') no-repeat center center/cover;
            padding: 60px 0;
            text-align: center;
            color: white;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
        }

        .hero-content {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
        }

        /* Form Section */
        .form-section {
            padding: 50px 0;
        }

        .form-container {
            background: white;
            border-radius: 10px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .form-header {
            background: var(--primary);
            color: white;
            padding: 20px 30px;
        }

        .form-header h2 {
            font-size: 1.8rem;
        }

        .form-content {
            padding: 30px;
        }

        .form-section-title {
            font-size: 1.4rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            color: var(--dark);
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: 5px;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary);
            outline: none;
        }

        .form-group input[readonly] {
            background-color: #f9f9f9;
            cursor: not-allowed;
        }

        /* File Upload */
        .file-upload {
            border: 2px dashed var(--border);
            border-radius: 5px;
            padding: 30px;
            text-align: center;
            margin-bottom: 20px;
            transition: border-color 0.3s;
        }

        .file-upload:hover {
            border-color: var(--primary);
        }

        .file-upload i {
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .file-upload p {
            margin-bottom: 15px;
        }

        .file-upload-btn {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .file-upload-btn:hover {
            background-color: var(--primary-dark);
        }

        .file-upload input[type="file"] {
            display: none;
        }

        .file-list {
            margin-top: 15px;
        }

        .file-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #f9f9f9;
            padding: 10px 15px;
            border-radius: 5px;
            margin-bottom: 10px;
        }

        .file-item button {
            background: none;
            border: none;
            color: var(--danger);
            cursor: pointer;
        }

        /* Pricing Section */
        .pricing-section {
            background-color: #f9f9f9;
            padding: 20px;
            border-radius: 5px;
            margin-bottom: 25px;
        }

        .pricing-options {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-bottom: 20px;
        }

        .pricing-option {
            padding: 15px;
            border-radius: 5px;
            text-align: center;
        }

        .pricing-option.early {
            background-color: #e8f5e9;
            border-left: 4px solid var(--success);
        }

        .pricing-option.standard {
            background-color: #fff8e1;
            border-left: 4px solid var(--warning);
        }

        .pricing-option.urgent {
            background-color: #ffebee;
            border-left: 4px solid var(--danger);
        }

        .price-tag {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 10px 0;
        }

        .calculated-price {
            text-align: center;
            padding: 15px;
            background-color: var(--primary);
            color: white;
            border-radius: 5px;
            margin-top: 20px;
        }

        .calculated-price h3 {
            font-size: 1.2rem;
            margin-bottom: 5px;
        }

        .calculated-price .price {
            font-size: 2rem;
            font-weight: 700;
        }

        /* Payment Info */
        .payment-info {
            background-color: #e3f2fd;
            padding: 20px;
            border-radius: 5px;
            margin-bottom: 25px;
            border-left: 4px solid #2196f3;
        }

        .payment-info h3 {
            margin-bottom: 10px;
            color: #1976d2;
        }

        /* Submit Button */
        .submit-btn {
            display: block;
            width: 100%;
            background-color: var(--primary);
            color: white;
            padding: 15px;
            border: none;
            border-radius: 5px;
            font-size: 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .submit-btn:hover {
            background-color: var(--primary-dark);
        }

        
        .success-message {
            display: none;
            text-align: center;
            padding: 30px;
            background-color: #e8f5e9;
            border-radius: 10px;
            margin-top: 30px;
            border-left: 4px solid var(--success);
        }

        .success-message i {
            font-size: 50px;
            color: var(--success);
            margin-bottom: 20px;
        }

        .success-message h2 {
            margin-bottom: 15px;
            color: var(--success);
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 30px 0;
            text-align: center;
            margin-top: 50px;
        }

        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .social-links {
            margin-bottom: 20px;
        }

        .social-links a {
            color: white;
            font-size: 20px;
            margin: 0 10px;
            transition: color 0.3s;
        }

        .social-links a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 768px) {
            
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .pricing-options {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 500px) {
        .navigation_bar ul li a{
       font-size: 13px;
      }
     .navigation_bar ul li{
     list-style: none;
    padding: 1rem 0.2rem;
   }    
     }    

     @media (max-width: 350px) {
            .navigation_bar ul li a {
                font-size: 12px;
            }

            .navigation_bar {
                justify-content: left;
                align-items: flex-start;
            }

            .navigation_bar ul {
                justify-content: left;
                align-items: flex-start;
            }
}