{{$brand := "CIRCUIT FIELD"}}{{with index .ThemesExt "brand_name"}}{{$brand = .}}{{end}}
<a class="skip-link" href="#main">Skip to content</a>
<header class="site-header">
  <div class="container site-nav">
    <a class="brand" href="{{page_url ""}}" aria-label="{{$brand}} home"><span class="brand-mark" aria-hidden="true">✳</span><span>{{$brand}}<small>Assembly planning lab</small></span></a>
    <button class="nav-toggle" type="button" aria-controls="site-nav" aria-expanded="false" hidden>Menu</button>
    <nav id="site-nav" class="nav-links" aria-label="Primary navigation">{{range .Columns}}<a href="{{.URL}}"{{if .IsSelect}} aria-current="page"{{end}}>{{.Name}}</a>{{end}}</nav>
  </div>
</header>