.blog-header {
    text-align: center;
    margin-bottom: 3rem;
}

.blog-header h1 {
    margin-bottom: 1rem;
}

.blog-header .lead {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 2rem;
}

.category-tag {
    display: inline-block;
    padding: 8px 15px;
    background-color: var(--background-alt);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-size: 0.9rem;
    transition: var(--transition);
}

.category-tag:hover {
    background-color: var(--primary-light);
    color: white;
}

.blog-categories {
    margin-bottom: 3rem;
}

.featured-articles {
    margin-bottom: 4rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.blog-card {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-content {
    padding: 1.5rem;
}

.blog-content h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.blog-content h3 a {
    color: var(--text-color);
    text-decoration: none;
}

.blog-content h3 a:hover {
    color: var(--primary-color);
}

.blog-date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.blog-list-item {
    display: flex;
    gap: 2rem;
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.blog-list-image {
    flex: 0 0 250px;
    overflow: hidden;
}

.blog-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.blog-list-item:hover .blog-list-image img {
    transform: scale(1.05);
}

.blog-list-content {
    flex: 1;
    padding: 20px;
}

.blog-list-content h3 {
    margin-bottom: 10px;
}

.blog-list-content .blog-date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.read-more {
    display: inline-block;
    margin-top: 10px;
    font-weight: 600;
    color: var(--primary-color);
}

.read-more:hover {
    color: var(--primary-dark);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 2rem;
}

.pagination a {
    display: inline-block;
    padding: 8px 15px;
    background-color: var(--background-alt);
    border-radius: var(--border-radius);
    color: var(--text-color);
    transition: var(--transition);
}

.pagination a:hover, .pagination a.active {
    background-color: var(--primary-color);
    color: white;
}

.newsletter {
    background-color: var(--background-alt);
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 4rem;
}

.newsletter h2 {
    margin-bottom: 1rem;
}

.newsletter p {
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 1rem;
}

.newsletter-form button {
    padding: 12px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--primary-dark);
}

/* Dark mode styles */
body.dark-mode .category-tag {
    background-color: var(--dark-background-alt);
    color: var(--dark-text);
}

body.dark-mode .category-tag:hover {
    background-color: var(--dark-primary);
}

body.dark-mode .blog-list-item {
    background-color: var(--dark-background-alt);
}

body.dark-mode .blog-list-content .blog-date {
    color: var(--dark-text-light);
}

body.dark-mode .pagination a {
    background-color: var(--dark-background-alt);
    color: var(--dark-text);
}

body.dark-mode .pagination a:hover, 
body.dark-mode .pagination a.active {
    background-color: var(--dark-primary);
    color: white;
}

body.dark-mode .newsletter {
    background-color: var(--dark-background-alt);
}

body.dark-mode .newsletter-form input {
    background-color: var(--dark-background);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

/* Article page styles */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
    position: relative;
    z-index: 1;
}

.blog-article {
    margin-bottom: 3rem;
}

.article-header {
    margin-bottom: 3rem;
    text-align: center;
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.category-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.publish-date, .read-time {
    color: var(--text-light);
}

.article-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.article-excerpt {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.article-image {
    margin: 2rem 0;
}

.article-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.article-content {
    line-height: 1.7;
    font-size: 1.1rem;
}

.article-content h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-size: 1.8rem;
    font-weight: 600;
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-size: 1.4rem;
    font-weight: 500;
}

.article-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.article-content section {
    margin-bottom: 3rem;
}

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

.article-content ul, .article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.table-of-contents {
    background-color: var(--background-alt);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 3rem;
}

.table-of-contents h2 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.table-of-contents ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.table-of-contents li {
    margin-bottom: 0.5rem;
}

.table-of-contents a {
    color: var(--primary-color);
    text-decoration: none;
    display: block;
    padding: 0.5rem 0;
    transition: var(--transition);
}

.table-of-contents a:hover {
    color: var(--primary-dark);
    padding-left: 1rem;
}

.formula-box, .comparison-box, .scenario-box {
    background-color: var(--background-alt);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    border-left: 4px solid var(--primary-color);
    clear: both;
    position: relative;
    z-index: 2;
}

.formula-box + .formula-box,
.comparison-box + .comparison-box,
.scenario-box + .scenario-box {
    margin-top: 2.5rem;
}

.formula-box strong {
    font-size: 1.2rem;
    display: block;
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
}

.key-takeaways {
    background-color: var(--primary-light);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 3rem 0;
}

.key-takeaways h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.key-takeaways ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.key-takeaways li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
}

.key-takeaways li:before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: bold;
}

.related-calculators {
    margin: 4rem 0;
    padding: 2rem;
    background-color: var(--background-alt);
    border-radius: var(--border-radius);
}

.related-calculators h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.calculator-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.calculator-card {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.calculator-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.calculator-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.calculator-card a {
    color: var(--primary-color);
    text-decoration: none;
}

.calculator-card a:hover {
    color: var(--primary-dark);
}

.author-bio {
    margin: 3rem 0;
    padding: 2rem;
    background-color: var(--background-alt);
    border-radius: var(--border-radius);
    text-align: center;
}

.author-bio h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.related-articles {
    margin: 4rem 0;
}

.related-articles h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.article-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.article-card {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-image {
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.card-content a {
    color: var(--text-color);
    text-decoration: none;
}

.card-content a:hover {
    color: var(--primary-color);
}

.card-excerpt {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.newsletter-signup {
    background-color: var(--primary-color);
    color: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin: 4rem 0;
}

.newsletter-signup h2 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.newsletter-signup p {
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Dark mode styles for articles */
body.dark-mode .table-of-contents {
    background-color: var(--dark-background-alt);
}

body.dark-mode .formula-box, 
body.dark-mode .comparison-box, 
body.dark-mode .scenario-box {
    background-color: var(--dark-background-alt);
}

body.dark-mode .related-calculators {
    background-color: var(--dark-background-alt);
}

body.dark-mode .calculator-card {
    background-color: var(--dark-background);
}

body.dark-mode .author-bio {
    background-color: var(--dark-background-alt);
}

body.dark-mode .article-card {
    background-color: var(--dark-background);
}

body.dark-mode .card-content a {
    color: var(--dark-text);
}

body.dark-mode .card-content a:hover {
    color: var(--dark-primary);
}

body.dark-mode .card-excerpt {
    color: var(--dark-text-light);
}

/* Responsive styles */
@media (max-width: 768px) {
    .blog-list-item {
        flex-direction: column;
    }
    
    .blog-list-image {
        flex: 0 0 200px;
    }
    
    .newsletter {
        padding: 2rem 1rem;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        border-radius: var(--border-radius);
        margin-bottom: 10px;
    }
    
    .newsletter-form button {
        border-radius: var(--border-radius);
    }
    
    .article-container {
        padding: 1rem 0.5rem;
    }
    
    .article-title {
        font-size: 2rem;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .calculator-cards {
        grid-template-columns: 1fr;
    }
    
    .article-cards {
        grid-template-columns: 1fr;
    }
    
    .newsletter-signup {
        padding: 2rem 1rem;
    }
}

/* Coming soon message styles */
.coming-soon-message {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--background-alt);
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.coming-soon-message h2 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.coming-soon-message p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.coming-soon-message .btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.coming-soon-message .btn:hover {
    background-color: var(--primary-dark);
}

/* Category articles section */
.category-articles {
    margin-bottom: 4rem;
}

/* Dark mode styles for coming soon */
body.dark-mode .coming-soon-message {
    background-color: var(--dark-background-alt);
}

body.dark-mode .coming-soon-message h2 {
    color: var(--dark-text);
}

body.dark-mode .coming-soon-message p {
    color: var(--dark-text-light);
}