/* Insights Page Specific Styles */

/* Insights Hero */
.insights-hero {
    padding: calc(var(--spacing-xxl) + 80px) 0 var(--spacing-xxl);
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a2f4d 100%);
    color: var(--background-color);
    text-align: center;
}

.insights-hero .hero-title {
    color: var(--background-color);
    margin-bottom: var(--spacing-md);
}

.insights-hero .hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-search {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--background-color);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 2px var(--accent-color);
}

.search-btn {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--background-color);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.search-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Categories */
.categories {
    background-color: var(--secondary-background);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 80px;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.category-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.category-title {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 600;
}

.category-grid {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.category-btn {
    background: var(--background-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.category-btn:hover {
    background: var(--secondary-background);
    border-color: var(--accent-color);
}

.category-btn.active {
    background: var(--accent-color);
    color: var(--primary-color);
    border-color: var(--accent-color);
}

/* Featured Article */
.featured-article {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-color);
}

.featured-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.featured-image {
    position: relative;
    height: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.featured-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a2f4d 100%);
}

.featured-placeholder .placeholder-icon {
    font-size: 6rem;
    opacity: 0.3;
}

.featured-text {
    padding: var(--spacing-lg);
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.article-category {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.article-date,
.article-read-time {
    color: var(--text-light);
    font-size: 0.875rem;
}

.featured-title {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.featured-excerpt {
    color: var(--text-light);
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.featured-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-color);
}

.author-title {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Articles Section */
.articles-section {
    background-color: var(--secondary-background);
    padding: var(--spacing-xxl) 0;
}

.articles-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.articles-title {
    color: var(--primary-color);
    font-size: 1.75rem;
}

.articles-controls {
    display: flex;
    gap: var(--spacing-md);
}

.sort-select {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    cursor: pointer;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.article-card {
    background: var(--background-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
}

.article-image {
    position: relative;
    height: 200px;
    background: var(--secondary-background);
    overflow: hidden;
}

.article-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a2f4d 100%);
}

.article-placeholder .placeholder-icon {
    font-size: 3rem;
    opacity: 0.3;
}

.article-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.article-category {
    background: var(--secondary-background);
    color: var(--text-light);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.article-date,
.article-read-time {
    color: var(--text-light);
    font-size: 0.75rem;
}

.article-title {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.article-excerpt {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.article-author {
    margin-bottom: var(--spacing-md);
}

.author-name {
    color: var(--text-color);
    font-size: 0.875rem;
    font-weight: 500;
}

.article-link {
    color: var(--accent-color);
    font-weight: 500;
    text-decoration: none;
    font-size: 0.875rem;
    align-self: flex-start;
}

.article-link:hover {
    text-decoration: underline;
}

.load-more-container {
    text-align: center;
    padding-top: var(--spacing-lg);
}

/* Newsletter */
.newsletter {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a2f4d 100%);
    color: var(--background-color);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-title {
    color: var(--background-color);
    margin-bottom: var(--spacing-sm);
}

.newsletter-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.newsletter-note {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Topics Section */
.topics-section {
    background-color: var(--background-color);
    padding: var(--spacing-xxl) 0;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.topic-card {
    background: var(--secondary-background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.topic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    background: var(--background-color);
}

.topic-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.topic-count {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .featured-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .featured-image {
        height: 300px;
    }
    
    .articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .topics-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-title {
        font-size: 1.5rem;
    }
    
    .newsletter-form {
        flex-direction: column;
        max-width: 300px;
    }
    
    .articles-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .insights-hero .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .category-grid {
        gap: var(--spacing-xs);
    }
    
    .category-btn {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .featured-text {
        padding: var(--spacing-md);
    }
    
    .article-meta {
        gap: var(--spacing-xs);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-input {
        font-size: 0.875rem;
    }
}