<nav>

{% if page.type == "home" and paginator.page == 1 %}
  <a href="{{ "/" | relative_url }}">{{ site.title | liquify }}</a>
{% else %}
  <a href="{{ "/" | relative_url }}">{{ site.title | liquify }}</a>
{% endif %}
{% assign pages = site.pages | sort: 'title' %}
{% for item in pages %}
  {% if item.type == "page" %}
    {% if item.title == page.title %}
      <a href="{{ item.url | relative_url }}">{{ item.title | liquify }}</a>
    {% else %}
      <a href="{{ item.url | relative_url }}">{{ item.title | liquify }}</a>
    {% endif %}
  {% endif %}
{% endfor %}

</nav>