ef="#utilities">Utilities</a>
                <a href="#spacing">Spacing</a>
                <a href="#colors">Colors</a>
                <a href="#responsive">Responsive</a>
            </div>
        </div>
    </nav>

    <!-- Header -->
    <header class="demo-header">
        <div class="container">
            <h1 class="h1 mb-4">GlacierCSS Complete Demo</h1>
            <p class="text-xl mb-6">A comprehensive showcase of all framework features</p>
            <div class="d-flex justify-content-center