/* ============================================
   황칠 역사 섹션 추가 스타일
   © 2002년 통합수행원 無盡藏[무진장] 전문상담연구소
   ============================================ */

/* ===== 원산지 증명 섹션 ===== */
.origin-proof {
    background: linear-gradient(135deg, #fff9e6 0%, #ffe8cc 100%);
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 50px;
    box-shadow: 0 10px 40px rgba(255, 193, 7, 0.2);
}

.origin-proof h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 700;
}

.origin-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.origin-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #FFD700;
    transition: all 0.3s ease;
}

.origin-card:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.origin-card h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.origin-card p,
.origin-card ul {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
}

.origin-card ul {
    list-style: none;
    padding: 0;
    margin-top: 15px;
}

.origin-card li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.origin-card li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #FFD700;
    font-weight: bold;
}

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

/* ===== 타임라인 제목 ===== */
.timeline-title {
    font-size: 1.8rem;
    color: #2c3e50;
    margin: 40px 0 30px;
    text-align: center;
    font-weight: 700;
}

/* ===== 고대 타임라인 아이템 (기원전 시대) ===== */
.timeline-item.ancient {
    background: linear-gradient(135deg, #f8f0e3 0%, #f5e6d3 100%);
    border-left: 5px solid #8B4513;
}

.timeline-item.ancient .timeline-year {
    background: linear-gradient(135deg, #8B4513 0%, #A0522D 100%);
    color: white;
}

.timeline-item.ancient .timeline-content h3 {
    color: #8B4513;
}

/* ===== 문헌 출처 표시 ===== */
.source {
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed #ddd;
    display: block;
}

/* ===== 모바일 최적화 ===== */
@media (max-width: 768px) {
    .origin-proof {
        padding: 25px;
    }
    
    .origin-card {
        padding: 20px;
    }
    
    .origin-card h4 {
        font-size: 1.1rem;
    }
    
    .origin-card li {
        font-size: 0.9rem;
    }
    
    .timeline-title {
        font-size: 1.5rem;
    }
}