{% assign default_paths = site.pages | map: "path" %}
{% assign page_paths = site.header_pages | default: default_paths %}

{% for path in page_paths %}
    
    {% assign item = site.pages | where: "path", path | first %}
    
    {% if item.title and page.title == item.title %}
        <a class="nav-active" href="{{ item.url | relative_url }}">{{ item.title }}</a>
    {% elsif item.title %}
        <a class="nav-link" href="{{ item.url | relative_url }}">{{ item.title }}</a>
    {% endif %}

    
{% endfor %}