* {
    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;
    padding: 20px;
}

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

.header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.header h2 {
    font-size: 1.5em;
    font-weight: 300;
    margin-bottom: 5px;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.question {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.question label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #333;
    font-size: 16px;
}

.question textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 100px;
    transition: border-color 0.3s;
}

.question textarea:focus {
    outline: none;
    border-color: #667eea;
}

h3 {
    color: #667eea;
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: #667eea;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn:hover {
    background: #5a67d8;
}

.btn-primary {
    background: #667eea;
}

.btn-large {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    margin-top: 20px;
}

.footer {
    text-align: center;
    margin-top: 30px;
    color: white;
}

.footer a {
    color: white;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .card {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 2em;
    }
}