/* Tablet Styles */
@media (max-width: 992px) {
    .nav-desktop {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    .header-content {
        height: 70px;
    }
    
    .logo span {
        display: none;
    }
    
    .logo img {
        height: 40px;
    }
    
    .user-menu .btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .user-menu .btn-outline {
        display: none;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
}