.container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        h1, h2, h3 {
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 2.2rem;
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, var(--bleu) 0%, #1e3a8a 100%);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            display: inline-block;
        }

        .section-subhead {
            color: #4a5568;
            font-size: 1.1rem;
            border-left: 4px solid var(--jaune-orange);
            padding-left: 1rem;
            margin-top: 0.5rem;
            margin-bottom: 2rem;
            font-weight: 500;
        }

        .partners-section {
            padding: 4rem 0 5rem;
        }

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

        .level-card {
            background: var(--blanc);
            border-radius: 1.5rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
            position: relative;
        }

        .level-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .level-card.selected {
            border-color: var(--jaune-orange);
            box-shadow: 0 20px 35px -12px rgba(250, 207, 15, 0.3);
        }

        .level-header {
            padding: 2rem 1.5rem;
            text-align: center;
            color: white;
        }

        .level-header.silver {
            background: linear-gradient(135deg, #94a3b8, #cbd5e1);
        }

        .level-header.gold {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
        }

        .level-header.platinum {
            background: linear-gradient(135deg, #6b7280, #9ca3af);
        }

        .level-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .level-name {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }

        .level-price {
            font-size: 1rem;
            opacity: 0.9;
        }

        .level-content {
            padding: 1.5rem;
        }

        .level-features {
            list-style: none;
            margin-bottom: 1.5rem;
        }

        .level-features li {
            padding: 0.5rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
        }

        .level-features li i {
            color: var(--jaune-orange);
            width: 20px;
        }

        .select-level-btn {
            width: 100%;
            padding: 0.75rem;
            background: var(--bleu-gradient);
            color: white;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .select-level-btn:hover {
            transform: scale(1.02);
            opacity: 0.9;
        }

        .conditions-section {
            background: linear-gradient(115deg, var(--blanc) 0%, var(--gris-pale) 100%);
            border-radius: 1.5rem;
            padding: 2rem;
            margin: 2rem 0;
            border: 1px solid var(--gris-border);
            display: none;
        }

        .conditions-section.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

        .conditions-content {
            margin-bottom: 1.5rem;
        }

        .conditions-content h3 {
            color: var(--bleu);
            margin-bottom: 1rem;
        }

        .conditions-content ol {
            margin-left: 1.5rem;
            margin-bottom: 1rem;
        }

        .conditions-content li {
            margin: 0.5rem 0;
        }

        .agree-btn {
            background: linear-gradient(135deg, #10b981, #059669);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .agree-btn:hover {
            transform: scale(1.02);
            box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
        }

        .partnership-form {
            background: var(--blanc);
            border-radius: 1.5rem;
            padding: 2rem;
            margin-top: 2rem;
            box-shadow: var(--shadow-sm);
            display: none;
            border: 1px solid var(--gris-border);
        }

        .partnership-form.active {
            display: block;
            animation: slideUp 0.5s ease;
        }

        .form-group {
            margin-bottom: 1.2rem;
        }

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

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid var(--gris-border);
            border-radius: 12px;
            font-size: 1rem;
            transition: var(--transition);
            font-family: inherit;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--jaune-orange);
            box-shadow: 0 0 0 3px rgba(250, 207, 15, 0.1);
        }


        .calendar-section {
            padding: 30px;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
        }
        
        .form-group label.required:after {
            content: " *";
            color: red;
        }

        .custom-calendar {
            width: 250px;
            background: #f8f9fa;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .calendar-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding: 0 10px;
        }
        
        .calendar-header span {
            background: var(--jaune-orange);
            border: none;
            color: white;
            padding: 4px 7.5px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 10px;
            transition: all 0.3s;
        }
        
        .calendar-header button:hover {
            background: var(--bleu-gradient);
            transform: scale(1.05);
        }
        
        .calendar-weekdays {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            text-align: center;
            margin-bottom: 10px;
            font-weight: bold;
            color: #666;
        }
        
        .calendar-days {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 5px;
        }
        
        .calendar-day {
            aspect-ratio: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 500;
            background: white;
            border: 1px solid #e0e0e0;
        }
        
        .calendar-day:hover:not(.disabled) {
            transform: scale(1.05);
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
        }
        
        .calendar-day.available {
            background: var(--jaune-orange);
            color: white;
            border-color: var(--jaune-orange);
        }
        
        .calendar-day.available:hover {
            background: var(--bleu-gradient);
        }
        
        .calendar-day.selected {
            background: #4CAF50;
            color: white;
            border-color: #45a049;
            transform: scale(1.05);
        }
        
        .calendar-day.disabled {
            background: #f5f5f5;
            color: #ccc;
            cursor: not-allowed;
            opacity: 0.6;
        }
        
        .calendar-day.other-month {
            background: #fafafa;
            color: #bbb;
        }
        
        .time-slots {
            margin-top: 20px;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 8px;
            display: none;
        }
        
        .time-slots.active {
            display: block;
        }
        
        .time-slots h4 {
            margin-bottom: 10px;
            color: #333;
        }
        
        .time-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .time-btn {
            padding: 10px 20px;
            background: #e0e0e0;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .time-btn:hover {
            background: #d0d0d0;
            transform: translateY(-2px);
        }
        
        .time-btn.selected {
            background: #4CAF50;
            color: white;
        }
        
        .submit-btn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            width: 100%;
            transition: all 0.3s;
        }
        
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .alert {
            padding: 12px;
            border-radius: 8px;
            margin-bottom: 20px;
            display: none;
        }
        
        .alert.success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        
        .alert.error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        
        @media (max-width: 768px) {
            .calendar-section {
                padding: 20px;
            }
            
            .calendar-day {
                font-size: 12px;
            }
        }


        .form-row-number {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .form-row-number select {
            width: 40%;
            margin-bottom: 0;
            background-color: var(--blanc);
            cursor: pointer;
        }

        .form-row-number input[type="tel"] {
            width: 60%;
            margin-bottom: 0;
        }

        .required:after {
            content: "*";
            color: var(--rouge);
            margin-left: 4px;
        }

        .submit-btn {
            background: var(--bleu-gradient);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(10, 44, 117, 0.3);
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes slideUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @media (max-width: 680px) {
            .container {
                padding: 20px;
            }
            h2 {
                font-size: 1.8rem;
            }
            .levels-container {
                grid-template-columns: 1fr;
            }
        }