:root {
    --primary-red: #d32f2f;
    --bg-light: #f8f9fa;
    --border-color: #e0e0e0;
    --text-main: #222222;
    --text-sub: #666666;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    
    /* 별도 파일 없이 CSS 자체로 생성하는 은은한 그리드 + PLACE PARTNER 워터마크 패턴 */
    background-image: 
        linear-gradient(to right, rgba(211, 47, 47, 0.018) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(211, 47, 47, 0.018) 1px, transparent 1px),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='180' viewBox='0 0 260 180'%3E%3Ctext x='130' y='90' fill='%23d32f2f' fill-opacity='0.035' font-family='sans-serif' font-weight='900' font-size='18' text-anchor='middle' transform='rotate(-18 130 90)'%3EPLACE PARTNER%3C/text%3E%3C/svg%3E");
    background-size: 30px 30px, 30px 30px, 260px 180px;
    background-repeat: repeat, repeat, repeat;
    background-attachment: fixed;
}

.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

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

.category-tag { 
    color: #2e7d32; 
    font-size: 0.9rem; 
    font-weight: 700; 
    margin-bottom: 6px; 
}

.page-title { 
    font-size: 1.8rem; 
    font-weight: 900; 
    color: #111; 
}

.step-block {
    margin-top: 35px;
    margin-bottom: 25px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.step-header {
    background: var(--primary-red);
    color: #fff;
    text-align: center;
    padding: 6px 0;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
}

.step-title-box { 
    padding: 18px 20px; 
    text-align: center; 
}

.step-title-box h3 { 
    font-size: 1.25rem; 
    font-weight: 900; 
    color: #111; 
}

.step-title-box p { 
    font-size: 0.85rem; 
    color: var(--text-sub); 
    margin-top: 2px; 
}

.form-group { 
    margin-bottom: 22px; 
}

.form-group label { 
    display: block; 
    font-weight: 700; 
    font-size: 0.95rem; 
    margin-bottom: 8px; 
    color: #333; 
}

.form-group label .required { 
    color: var(--primary-red); 
    margin-left: 2px; 
}

.form-group .sub-note { 
    font-size: 0.8rem; 
    color: #777; 
    font-weight: 400; 
    display: block; 
    margin-top: 2px; 
}

input[type="text"], input[type="tel"], textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    background: #fff;
}

input:focus, textarea:focus { 
    outline: none; 
    border-color: var(--primary-red); 
}

.radio-group { 
    display: flex; 
    gap: 15px; 
    margin-top: 6px; 
}

.radio-label {
    flex: 1; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 6px;
    padding: 12px; 
    background: #fff; 
    border: 1px solid var(--border-color);
    border-radius: 6px; 
    cursor: pointer; 
    font-size: 0.9rem; 
    font-weight: 500;
}

.radio-label input[type="radio"] { 
    accent-color: var(--primary-red); 
}

.notice-box {
    background: #fff9f9; 
    border: 1px solid #ffcdd2; 
    border-radius: 8px;
    padding: 20px; 
    margin: 35px 0 25px; 
    font-size: 0.88rem; 
    line-height: 1.7;
}

.notice-title { 
    font-weight: 700; 
    color: #b71c1c; 
    margin-bottom: 8px; 
}

.privacy-box { 
    margin-bottom: 25px; 
}

.checkbox-container { 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    font-size: 0.9rem; 
    font-weight: 700; 
}

.checkbox-container input[type="checkbox"] { 
    width: 18px; 
    height: 18px; 
    accent-color: var(--primary-red); 
    cursor: pointer; 
}

.error-text { 
    color: var(--primary-red); 
    font-size: 0.85rem; 
    margin-top: 6px; 
    font-weight: 700; 
    display: none; 
}

.btn-submit {
    width: 100%; 
    padding: 18px; 
    background: var(--primary-red); 
    color: #fff;
    font-size: 1.2rem; 
    font-weight: 900; 
    border: none; 
    border-radius: 8px;
    cursor: pointer; 
    box-shadow: 0 6px 16px rgba(211, 47, 47, 0.25);
}

.btn-submit:disabled { 
    background: #999; 
    cursor: not-allowed; 
}