/* 페이지 공통 스타일 */
.page-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero.with-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.page-hero.with-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.85) 100%);
    z-index: 1;
}

.page-hero.with-image .container {
    position: relative;
    z-index: 2;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.page-subtitle {
    font-size: 1.125rem;
    opacity: 0.95;
}

.page-content {
    padding: 4rem 2rem;
    background-color: var(--bg-secondary);
}

.content-article {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-primary);
    border-radius: 1rem;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
}

.content-section {
    margin-bottom: 4rem;
}

.content-section:last-child {
    margin-bottom: 0;
}

.content-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary-color);
}

.content-title i {
    color: var(--primary-color);
}

.content-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* 기본 리스트 스타일 */
.content-article ul {
    list-style-position: inside;
    padding-left: 0;
}

.content-article ul li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.content-article ul ul {
    margin-top: 0.5rem;
    margin-left: 1.5rem;
}

/* 정보 박스 */
.info-box {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin: 2rem 0;
    border-left: 4px solid;
}

.info-primary {
    background-color: #eff6ff;
    border-color: var(--primary-color);
}

.info-success {
    background-color: #f0fdf4;
    border-color: var(--secondary-color);
}

.info-warning {
    background-color: #fffbeb;
    border-color: var(--accent-color);
}

.info-danger {
    background-color: #fef2f2;
    border-color: var(--danger-color);
}

.info-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: 50%;
}

.info-primary .info-icon {
    background-color: var(--primary-color);
    color: white;
}

.info-success .info-icon {
    background-color: var(--secondary-color);
    color: white;
}

.info-warning .info-icon {
    background-color: var(--accent-color);
    color: white;
}

.info-content {
    flex: 1;
}

.info-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.info-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 기능 카드 */
.feature-card {
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.feature-list i {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

/* 용어 리스트 */
.term-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.term-item {
    background-color: var(--bg-alt);
    border-radius: 0.75rem;
    padding: 2rem;
    border-left: 4px solid var(--primary-color);
}

.term-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.term-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.term-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.term-badge-secondary {
    background-color: var(--secondary-color);
}

.term-badge-info {
    background-color: #06b6d4;
}

.term-badge-success {
    background-color: var(--accent-color);
}

.term-definition {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.term-formula {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-top: 1rem;
}

.formula-box {
    margin-bottom: 1rem;
}

.formula-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.formula-content {
    background-color: var(--bg-alt);
    padding: 1rem;
    border-radius: 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    color: var(--text-primary);
    text-align: center;
}

.formula-example {
    color: var(--text-secondary);
    line-height: 1.8;
}

.highlight-text {
    color: var(--primary-color);
    font-weight: 700;
}

/* 장단점 컨테이너 */
.pros-cons-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pros-card,
.cons-card {
    border-radius: 1rem;
    padding: 2rem;
}

.pros-card {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid var(--secondary-color);
}

.cons-card {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border: 2px solid var(--danger-color);
}

.pros-title,
.cons-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pros-title {
    color: var(--secondary-color);
}

.cons-title {
    color: var(--danger-color);
}

.pros-list,
.cons-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pros-list li,
.cons-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.pros-list i {
    color: var(--secondary-color);
    font-size: 1.25rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.cons-list i {
    color: var(--danger-color);
    font-size: 1.25rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.pros-list strong,
.cons-list strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.pros-list p,
.cons-list p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

/* 단계 컨테이너 */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem;
    background-color: var(--bg-alt);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA 박스 */
.cta-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: 1rem;
    padding: 3rem;
    text-align: center;
    margin-top: 4rem;
}

.cta-box-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-box-text {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-box-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 데이터 테이블 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.data-table thead {
    background-color: var(--primary-color);
    color: white;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
}

.data-table th {
    font-weight: 600;
}

/* 배당순위 테이블 컬럼 너비 조정 */
.data-table th:nth-child(1),
.data-table td:nth-child(1) {
    width: 60px;
    text-align: center;
}

.data-table th:nth-child(2),
.data-table td:nth-child(2) {
    width: 200px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.data-table th:nth-child(3),
.data-table td:nth-child(3) {
    width: 100px;
    text-align: center;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.data-table tbody tr:hover {
    background-color: var(--bg-alt);
}

.data-table tbody tr:last-child {
    border-bottom: none;
}

/* 계산기 컨테이너 */
.calculator-container {
    background-color: var(--bg-alt);
    border-radius: 1rem;
    padding: 2rem;
    margin: 2rem 0;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.result-box {
    background-color: white;
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    border: 2px solid var(--primary-color);
    margin-top: 2rem;
}

.result-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* 반응형 */
@media (max-width: 768px) {
    .page-hero {
        padding: 3rem 1rem;
    }
    
    .page-title {
        font-size: 1.75rem;
        flex-direction: column;
    }
    
    .content-article {
        padding: 2rem 1.5rem;
    }
    
    .content-title {
        font-size: 1.5rem;
    }
    
    .pros-cons-container {
        grid-template-columns: 1fr;
    }
    
    .cta-box {
        padding: 2rem 1.5rem;
    }
    
    .cta-box-buttons {
        flex-direction: column;
    }
    
    .data-table {
        font-size: 0.875rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.5rem;
    }
    
    .content-article {
        padding: 1.5rem 1rem;
    }
    
    .term-item {
        padding: 1.5rem;
    }
    
    .step-item {
        padding: 1rem;
    }
    
    .result-value {
        font-size: 2rem;
    }
}