* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

h1 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 15px;
}

h2 {
    color: #34495e;
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.step {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.step.active {
    display: block;
}

.options {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 20px 0;
}

.option-btn {
    flex: 1 1 calc(50% - 15px);
    min-width: 200px;
    padding: 15px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    text-align: center;
}

.option-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.back-btn {
    background-color: #95a5a6;
}

.back-btn:hover {
    background-color: #7f8c8d;
}

.restart-btn {
    background-color: #2ecc71;
}

.restart-btn:hover {
    background-color: #27ae60;
}

.result {
    background-color: #e8f4fc;
    border-left: 5px solid #3498db;
    padding: 20px;
    margin: 20px 0;
    border-radius: 5px;
    display: none;
}

.result.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

.result h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.result p {
    margin-bottom: 10px;
    font-size: 1.1rem;
    line-height: 1.8;
}

strong {
    color: #2c3e50;
    font-weight: 600;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 600px) {
    .option-btn {
        flex: 1 1 100%;
    }
    
    .container {
        padding: 20px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.2rem;
    }
}