:root {
            --primary: #4F46E5;
            --primary-light: #818cf8;
            --primary-dark: #3730a3;
            --secondary: #10b981;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-300: #d1d5db;
            --gray-400: #9ca3af;
            --gray-500: #6b7280;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --gray-800: #1f2937;
            --gray-900: #111827;
            --white: #ffffff;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --radius: 12px;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(135deg, #f5f7ff 0%, #f0f4ff 100%);
            color: var(--gray-700);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .container {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
        }

        .form-section {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
        }

        .section-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            padding: 30px;
            text-align: center;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .section-header p {
            font-size: 16px;
            opacity: 0.9;
        }

        .gradient-text {
            background: linear-gradient(90deg, #fbbf24, #10b981);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .form-container {
            padding: 40px;
        }

        .step-indicator {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
            position: relative;
        }

        .step-indicator::before {
            content: '';
            position: absolute;
            top: 15px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gray-200);
            z-index: 1;
        }

        .step {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .step-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--gray-200);
            color: var(--gray-500);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            margin-bottom: 8px;
            transition: var(--transition);
        }

        .step.active .step-number {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.2);
        }

        .step.completed .step-number {
            background: var(--secondary);
            color: var(--white);
        }

        .step-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--gray-500);
        }

        .step.active .step-label {
            color: var(--primary);
        }

        .step-content {
            display: none;
        }

        .step-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

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

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .form-group {
            margin-bottom: 5px;
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--gray-700);
        }

        input, select, textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--gray-300);
            border-radius: 8px;
            font-family: 'Poppins', sans-serif;
            font-size: 15px;
            transition: var(--transition);
            background: var(--white);
        }

        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
        }

        .checkbox-group {
            margin-top: 10px;
        }

        .checkbox-options {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 12px;
        }

        .checkbox-item {
            position: relative;
        }

        .checkbox-item input {
            position: absolute;
            opacity: 0;
            cursor: pointer;
        }

        .checkbox-label {
            display: flex;
            align-items: center;
            padding: 14px 16px;
            background: var(--gray-50);
            border: 1px solid var(--gray-300);
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }

        .checkbox-label:hover {
            background: var(--gray-100);
        }

        .checkbox-item input:checked + .checkbox-label {
            background: rgba(79, 70, 229, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }

        .checkbox-label::before {
            content: '';
            width: 18px;
            height: 18px;
            border: 2px solid var(--gray-400);
            border-radius: 4px;
            margin-right: 12px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .checkbox-item input:checked + .checkbox-label::before {
            background: var(--primary);
            border-color: var(--primary);
            content: '✓';
            color: white;
            font-size: 12px;
            font-weight: bold;
        }

        .form-actions {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid var(--gray-200);
        }

        .btn {
            padding: 12px 24px;
            border-radius: 8px;
            font-family: 'Poppins', sans-serif;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .btn-secondary {
            background: var(--gray-100);
            color: var(--gray-700);
        }

        .btn-secondary:hover {
            background: var(--gray-200);
        }

        .btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .success-message {
            display: none;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid var(--secondary);
            border-radius: 8px;
            padding: 20px;
            margin-top: 20px;
            color: var(--secondary);
            align-items: center;
            gap: 12px;
        }

        .success-message i {
            font-size: 24px;
        }

        @media (max-width: 768px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
            
            .checkbox-options {
                grid-template-columns: 1fr;
            }
            
            .form-container {
                padding: 30px 20px;
            }
            
            .section-header {
                padding: 25px 20px;
            }
            
            .step-label {
                font-size: 12px;
            }
        }