/* استایل‌های ریسپانسیو */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        padding: 0.3rem 0 0.4rem 0;
    }
    
    .logo {
        margin-bottom: 0.3rem;
        text-align: center;
        flex-direction: column;
        width: 100%;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 1rem;
        /* text-align: center; */
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .news-grid, .courses-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .site-main {
        margin-top: 120px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .news-item, .course-item {
        padding: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}