* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: #f4f7f6;
    font-family: "맑은 고딕", sans-serif;
    padding: 50px 0;
}

#survey-container {
    width: 600px;
    margin: 0 auto;
    background-color: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    position: relative;
}

header h1 {
    color: #2c3e50;
    font-size: 1.8em;
    text-align: center;
    margin-bottom: 10px;
}
header p {
    color: #7f8c8d;
    text-align: center;
    font-size: 0.9em;
}

.form-section {
    margin: 30px 0;
    padding: 15px;
    border-radius: 10px;
    background-color: #fcfcfc;
    border-left: 5px solid #3498db;
}

.question {
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
    color: #2980b9;
}

select, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-top: 5px;
}

.btn-group {
    text-align: center;
    margin-top: 30px;
}
input[type="submit"], input[type="reset"] {
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

input[type="submit"] {
    background-color: #3498db;
    color: white;
    margin-right: 10px;
}
input[type="submit"]:hover { background-color: #2980b9; transform: scale(1.05); }

input[type="reset"] { background-color: #ecf0f1; }
input[type="reset"]:hover { background-color: #bdc3c7; }

footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.85em;
    color: #95a5a6;
}
footer a {
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
}
footer a:hover { text-decoration: underline; }