{% set header_content %}
  {% for tmpl in theme_article_header %}
    {% include tmpl %}
  {% endfor %}
{% endset %}

{%- if title and pagename != root_doc and header_content|trim -%}
<header class="bz-article-header">
  {{ header_content }}
  {%- include 'partials/sidebar-secondary-toggle.html' -%}
</header>
{%- endif -%}