<nav id="main-nav" class="navbar navbar-dark navbar-expand-md py-0 fixed-top">
    <a href="#" class="navbar-brand">noirUSA</a>
    <button class="navbar-toggler" data-bs-toggle="collapse" data-bs-target="#nav-links" aria-label="Toggle Navigation">
        <span class="navbar-toggler-icon"></span>
    </button>
    <div id="nav-links" class="collapse navbar-collapse">
        <ul class="navbar-nav">
            <li class="nav-item">
                <a href="/" class="nav-link">HOME</a>
            </li>
            <li class="nav-item">
                <a href="/products" class="nav-link">PRODUCTS</a>
            </li>
            <li class="nav-item">
                <a href="/about" class="nav-link">ABOUT</a>
            </li>
            <li class="nav-item">
                <a href="/apply" class="nav-link">APPLY</a>
            </li>
        </ul>
    </div>
</nav>