        :root {
            --primary: #2563eb;
            --primary-hover: #1d4ed8;
            --secondary: #3b82f6;
            --accent: #60a5fa;
            --text: #1e293b;
            --text-light: #64748b;
            --background: #ffffff;
            --card-bg: #f8fafc;
            --border: #e2e8f0;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            background: var(--background);
            color: var(--text);
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        .survey-container {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem 1rem;
            position: relative;
        }
        
        .bg-decoration {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: 0;
            pointer-events: none;
            overflow: hidden;
        }
        
        .blob {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.15;
            animation: float 20s infinite ease-in-out;
        }
        
        .blob-1 {
            width: 400px;
            height: 400px;
            background: var(--primary);
            top: -100px;
            left: -100px;
        }
        
        .blob-2 {
            width: 350px;
            height: 350px;
            background: var(--secondary);
            bottom: -100px;
            right: -100px;
            animation-delay: 7s;
        }
        
        .blob-3 {
            width: 300px;
            height: 300px;
            background: var(--accent);
            top: 50%;
            right: -50px;
            animation-delay: 14s;
        }
        
        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(50px, -50px) scale(1.1); }
            66% { transform: translate(-50px, 50px) scale(0.9); }
        }
        
        .survey-card {
            background: var(--card-bg);
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
            padding: 3rem;
            max-width: 700px;
            width: 100%;
            position: relative;
            z-index: 1;
            border: 1px solid var(--border);
            animation: slideUp 0.6s ease-out;
        }
        
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .survey-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        
        .survey-icon {
            width: 80px;
            height: 80px;
            background: var(--primary);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            animation: bounce 2s infinite;
            box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
        }
        
        .survey-icon i {
            font-size: 2.5rem;
            color: white;
        }
        
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        .survey-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        
        .survey-subtitle {
            color: var(--text-light);
            font-size: 1rem;
        }
        
        .country-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: white;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-weight: 500;
            color: var(--primary);
            border: 2px solid var(--border);
            margin-top: 1rem;
        }
        
        .progress-container {
            margin-bottom: 2rem;
        }
        
        .progress {
            height: 12px;
            border-radius: 50px;
            background: var(--border);
            overflow: visible;
        }
        
        .progress-bar {
            background: var(--primary);
            border-radius: 50px;
            transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: visible;
        }
        
        .progress-bar::after {
            content: '';
            position: absolute;
            right: -6px;
            top: 50%;
            transform: translateY(-50%);
            width: 24px;
            height: 24px;
            background: var(--primary);
            border-radius: 50%;
            border: 4px solid var(--background);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
        }
        
        .progress-text {
            text-align: center;
            margin-top: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.875rem;
        }
        
        .question-container {
            margin-bottom: 2rem;
            animation: fadeIn 0.5s ease-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateX(-20px); }
            to { opacity: 1; transform: translateX(0); }
        }
        
        .question-text {
            background: ;
            padding: 1.5rem;
            border-radius: 16px;
            border: 2px solid var(--border);
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }
        
        .loading-spinner {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 2rem;
        }
        
        .spinner {
            width: 50px;
            height: 50px;
            border: 4px solid var(--border);
            border-top: 4px solid var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .answer-input {
            width: 100%;
            padding: 1rem 1.25rem;
            border: 2px solid var(--border);
            border-radius: 12px;
            font-size: 1rem;
            font-family: 'Inter', sans-serif;
            transition: all 0.3s ease;
            margin-bottom: 1.5rem;
        }
        
        .answer-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
        }
        
        .btn-primary-custom {
            background: var(--primary);
            color: white;
            padding: 1rem 2.5rem;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
        }
        
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(37, 99, 235, 0.4);
        }
        
        .btn-primary-custom:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }
        
        .completion-section {
            text-align: center;
            animation: scaleIn 0.6s ease-out;
        }
        
        @keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.8);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
        
        .completion-icon {
            width: 100px;
            height: 100px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            animation: successPop 0.6s ease-out;
        }
        
        .completion-icon i {
            font-size: 3rem;
            color: white;
        }
        
        @keyframes successPop {
            0% { transform: scale(0); }
            50% { transform: scale(1.2); }
            100% { transform: scale(1); }
        }
        
        .completion-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text);
        }
        
        .completion-description {
            color: var(--text-light);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        
        .affiliate-button {
            background: var(--primary);
            color: white;
            padding: 1.25rem 3rem;
            border: none;
            border-radius: 16px;
            font-size: 1.25rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            box-shadow: 0 12px 32px rgba(37, 99, 235, 0.4);
            text-decoration: none;
        }
        
        .affiliate-button:hover {
            background: var(--primary-hover);
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 16px 40px rgba(37, 99, 235, 0.5);
            color: white;
        }
        
        @media (max-width: 768px) {
            .survey-card {
                padding: 2rem 1.5rem;
            }
            
            .survey-title {
                font-size: 1.5rem;
            }
            
            .completion-title {
                font-size: 1.5rem;
            }
            
            .affiliate-button {
                padding: 1rem 2rem;
                font-size: 1rem;
            }
        }
        
        .hidden {
            display: none !important;
        }
        
                /* Additional styles for options */
        .options-container {
            margin-bottom: 1.5rem;
        }
        
        .option-item {
            background: white;
            border: 2px solid var(--border);
            border-radius: 12px;
            padding: 1rem 1.5rem;
            margin-bottom: 0.75rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .option-item:hover {
            border-color: var(--primary);
            background: #f0f7ff;
        }
        
        .option-item input[type="radio"] {
            display: none;
        }
        
        .option-item input[type="radio"]:checked + label {
            color: var(--primary);
        }
        
        .option-item input[type="radio"]:checked + label .option-text {
            font-weight: 600;
        }
        
        .option-item label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            width: 100%;
        }
        
        .option-text {
            flex: 1;
        }
        
        .option-points {
            background: var(--primary);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 500;
        }
        
        .ai-badge {
            background: var(--primary);
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        
        .reset-link {
            display: block;
            color: var(--text-light);
            text-decoration: none;
            margin-top: 1rem;
            text-align: center;
            width: 100%;
        }
        
        .reset-link:hover {
            color: var(--primary);
        }