@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        gap: 20px;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 15px;
    }

    .hero-section h1 {
        font-size: 36px;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
        align-items: center;
    }
    
    .newsletter-form input {
        width: 100%;
        max-width: 300px;
    }

    .footer-grid {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .footer-nav {
        flex-direction: column;
        gap: 15px;
    }
}