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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    color: white;
    font-size: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    margin-bottom: 10px;
}

.description {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.description h2 {
    color: #4a5568;
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-align: center;
}

.description p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #666;
    text-align: center;
    margin-bottom: 30px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.feature .icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
}

.feature h3 {
    color: #4a5568;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.feature p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.cta-button {
    background: linear-gradient(45deg, #ff6b6b, #ee5a52);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.2rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
    display: block;
    margin: 0 auto;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.hidden {
    display: none;
}

#loading-section {
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 60px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#loading-section p {
    font-size: 1.2rem;
    color: #666;
}

#survey-section {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.survey-header {
    margin-bottom: 30px;
}

.survey-header h2 {
    color: #4a5568;
    margin-bottom: 15px;
    text-align: center;
}

.progress-bar {
    background: #e2e8f0;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    background: linear-gradient(90deg, #667eea, #764ba2);
    height: 100%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-text {
    display: block;
    text-align: center;
    font-size: 0.9rem;
    color: #666;
}

.question {
    margin-bottom: 30px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.question h3 {
    color: #4a5568;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option {
    display: flex;
    align-items: center;
    padding: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.option:hover {
    background: rgba(255, 255, 255, 0.8);
}

.option input[type="radio"] {
    margin-right: 10px;
}

.option label {
    cursor: pointer;
    flex: 1;
}

.submit-button {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(76, 175, 80, 0.3);
    display: block;
    margin: 30px auto 0;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(76, 175, 80, 0.4);
}

#report-section {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.report-header h2 {
    color: #4a5568;
    text-align: center;
    margin-bottom: 30px;
}

.qualification-status {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 15px;
    font-size: 1.2rem;
    font-weight: bold;
}

.qualified {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
}

.not-qualified {
    background: linear-gradient(45deg, #f44336, #d32f2f);
    color: white;
}

.report-details {
    background: rgba(255, 255, 255, 0.7);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.report-details h3 {
    color: #4a5568;
    margin-bottom: 15px;
}

.report-details p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .description {
        padding: 20px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
}