.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    padding: 40px 0;
    border-bottom: 1px solid #eee;
}

.main-content {
    padding: 60px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.article-page {
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .main-content {
        padding: 40px 0;
    }
}