:root {
            --primary-color: #7c3aed;
            --secondary-color: #8b5cf6;
            --accent-color: #a78bfa;
            --warning-color: #f59e0b;
            --success-color: #10b981;
            --danger-color: #ef4444;
            --text-primary: #1f2937;
            --text-secondary: #4b5563;
            --bg-light: #f9fafb;
            --bg-white: #ffffff;
            --border-color: #e5e7eb;
            --shadow: 0 10px 25px rgba(0,0,0,0.1);
            --shadow-hover: 0 20px 40px rgba(0,0,0,0.15);
            --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%);
            --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
            --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-light);
        }

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

        /* Header */
        .header {
            background: var(--gradient-primary);
            color: white;
            text-align: center;
            padding: 60px 20px;
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="brain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23brain)"/></svg>');
            opacity: 0.3;
        }

        .header-content {
            position: relative;
            z-index: 2;
        }

        .header h1 {
            font-size: clamp(28px, 5vw, 48px);
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            letter-spacing: -0.5px;
        }

        .header-subtitle {
            font-size: clamp(16px, 3vw, 22px);
            opacity: 0.95;
            max-width: 800px;
            margin: 0 auto;
            font-weight: 500;
        }

        .interactive-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 12px 25px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 25px;
            animation: glow 2s infinite;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        @keyframes glow {
            0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4); }
            50% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
        }

        /* Main Content */
        .main-content {
            background: var(--bg-white);
            margin: -40px auto 0;
            border-radius: 20px;
            box-shadow: var(--shadow);
            overflow: hidden;
            position: relative;
            z-index: 3;
        }

        /* Statistics Section */
        .stats-section {
            padding: 60px 40px;
            background: linear-gradient(135deg, #fef3ff 0%, #f3e8ff 100%);
        }

        .stats-title {
            text-align: center;
            font-size: 32px;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 50px;
            letter-spacing: -0.5px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }

        .stat-card {
            background: var(--bg-white);
            padding: 35px;
            border-radius: 20px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: all 0.3s ease;
            border: 3px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--gradient-primary);
        }

        .stat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-color);
        }

        .stat-icon {
            font-size: 48px;
            margin-bottom: 20px;
            display: block;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 900;
            color: var(--primary-color);
            margin-bottom: 12px;
            display: block;
            text-shadow: 0 2px 4px rgba(124, 58, 237, 0.2);
        }

        .stat-label {
            font-size: 18px;
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 10px;
        }

        .stat-description {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Interactive Survey Section */
        .survey-section {
            padding: 60px 40px;
            background: var(--bg-white);
        }

        .survey-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 30px;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }

        .survey-icon {
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: white;
            animation: glow 3s infinite;
        }

        .survey-intro {
            background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
            padding: 30px;
            border-radius: 15px;
            margin-bottom: 40px;
            border-left: 5px solid var(--primary-color);
        }

        .survey-intro h3 {
            color: var(--primary-color);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .survey-intro p {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Questions */
        .question-container {
            margin-bottom: 40px;
            padding: 30px;
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            border-radius: 15px;
            border: 2px solid var(--border-color);
        }

        .question-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            text-align: center;
        }

        .options-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
        }

        .option-card {
            background: var(--bg-white);
            padding: 20px;
            border-radius: 12px;
            border: 2px solid var(--border-color);
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            position: relative;
        }

        .option-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
        }

        .option-card.selected {
            border-color: var(--primary-color);
            background: linear-gradient(135deg, #fef3ff 0%, #f3e8ff 100%);
            transform: scale(1.02);
        }

        .option-card input[type="radio"] {
            display: none;
        }

        .option-emoji {
            font-size: 32px;
            margin-bottom: 10px;
            display: block;
        }

        .option-text {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        /* Results Section */
        .results-section {
            padding: 50px 40px;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            display: none;
        }

        .results-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 30px;
            text-align: center;
        }

        .result-card {
            background: var(--bg-white);
            padding: 30px;
            border-radius: 15px;
            box-shadow: var(--shadow);
            margin-bottom: 20px;
        }

        .result-score {
            text-align: center;
            margin-bottom: 30px;
        }

        .score-number {
            font-size: 72px;
            font-weight: 900;
            color: var(--primary-color);
            margin-bottom: 10px;
            display: block;
        }

        .score-label {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-secondary);
        }

        /* FAST Protocol */
        .fast-section {
            padding: 50px 40px;
            background: var(--bg-white);
        }

        .fast-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--danger-color);
            margin-bottom: 30px;
            text-align: center;
        }

        .fast-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin-bottom: 40px;
        }

        .fast-card {
            background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
            padding: 30px;
            border-radius: 15px;
            border-left: 6px solid var(--danger-color);
            text-align: center;
        }

        .fast-letter {
            font-size: 48px;
            font-weight: 900;
            color: var(--danger-color);
            margin-bottom: 15px;
            display: block;
        }

        .fast-word {
            font-size: 20px;
            font-weight: 700;
            color: var(--danger-color);
            margin-bottom: 10px;
        }

        .fast-description {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Emergency Actions */
        .emergency-section {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: white;
            padding: 50px 40px;
            text-align: center;
        }

        .emergency-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 30px;
        }

        .emergency-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-bottom: 40px;
        }

        .emergency-card {
            background: rgba(255, 255, 255, 0.1);
            padding: 25px;
            border-radius: 15px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .emergency-step {
            font-size: 48px;
            font-weight: 900;
            margin-bottom: 15px;
            display: block;
        }

        .emergency-action {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .emergency-detail {
            font-size: 16px;
            opacity: 0.9;
            line-height: 1.4;
        }

        /* Share Section */
        .share-section {
            background: var(--gradient-primary);
            color: white;
            padding: 50px 40px;
            text-align: center;
        }

        .share-header {
            margin-bottom: 40px;
        }

        .share-icon {
            font-size: 48px;
            margin-bottom: 20px;
            display: block;
        }

        .share-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 15px;
            letter-spacing: 0.5px;
        }

        .share-subtitle {
            font-size: 18px;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.5;
        }

        .share-buttons {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            max-width: 800px;
            margin: 0 auto;
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 16px 24px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.15);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(10px);
        }

        .share-btn:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
        }

        .group-btn:hover {
            background: #25d366;
            border-color: #25d366;
        }

        .instagram-btn:hover {
            background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
            border-color: #bc1888;
        }

        .contact-btn:hover {
            background: #25d366;
            border-color: #25d366;
        }

        /* Footer */
        .footer {
            background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
            color: white;
            padding: 40px 20px;
            text-align: center;
        }

        .footer-content {
            max-width: 1000px;
            margin: 0 auto;
        }

        .footer-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 16px 30px;
            margin-bottom: 30px;
            backdrop-filter: blur(10px);
        }

        .badge-icon {
            font-size: 20px;
        }

        .badge-text {
            font-size: 15px;
            font-weight: 500;
            color: #e2e8f0;
        }

        .footer-disclaimer {
            padding: 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-disclaimer p {
            font-size: 14px;
            color: #cbd5e0;
            margin: 0;
            line-height: 1.5;
        }

        .footer-disclaimer strong {
            color: #f7fafc;
            font-weight: 600;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .container {
                padding: 10px;
            }

            .stats-section,
            .survey-section,
            .fast-section,
            .emergency-section,
            .share-section {
                padding: 30px 20px;
            }

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

            .options-grid {
                grid-template-columns: 1fr;
            }

            .fast-grid {
                grid-template-columns: 1fr;
            }

            .emergency-grid {
                grid-template-columns: 1fr;
            }

            .share-buttons {
                grid-template-columns: 1fr;
                gap: 15px;
            }

            .footer-badge {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }

            .badge-text {
                font-size: 13px;
            }
        }

        /* Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            animation: fadeIn 0.8s ease forwards;
        }

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

        .stat-card {
            animation: fadeIn 0.8s ease forwards;
        }

        .stat-card:nth-child(1) { animation-delay: 0.1s; }
        .stat-card:nth-child(2) { animation-delay: 0.2s; }
        .stat-card:nth-child(3) { animation-delay: 0.3s; }
        .stat-card:nth-child(4) { animation-delay: 0.4s; }

        /* Survey Submit Button */
        .submit-btn {
            background: var(--gradient-primary);
            color: white;
            border: none;
            padding: 16px 32px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            margin: 30px auto;
            display: block;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(124, 58, 237, 0.3);
        }

        .submit-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }