:root {
    --primary-color: #4a90e2;
    --text-color: #333;
    --bg-color: #f4f7f6;
    --white: #ffffff;
    --input-border: #ddd;
    --input-focus: #4a90e2;
    --error-color: #e74c3c;
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    padding: 20px 0;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    text-decoration: none;
    color: var(--primary-color);
}

.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 0;
}

.form-container {
    background-color: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.form-container h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.form-container p {
    color: #666;
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: #357abd;
}

.submit-btn:active {
    transform: scale(0.98);
}

.footer {
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: #888;
    margin-top: auto;
}

@media (max-width: 600px) {
    .form-container {
        padding: 30px 20px;
    }

    .form-container h1 {
        font-size: 1.75rem;
    }
}