I am setting up a new site with Joomla 3.6 (with Gantry 5 and Hydrogen template). There are two template styles, one is default and the other is assigned only to the home page menu item (it has a different layout with more module positions etc.).
Now as long as I browse through the menu items and articles accessible from there (so the URLs are based on the menu structure), it works fine and the default layout is being used.
But if an article is linked like this:
/component/content/article/(###-categoryname)/(###-articlename) (such as a featured article which is in a category not directly accessible through the menu) it is always displayed using the home page template style instead of the default one.
I assume I could use some trick with hidden menu, to make the articles in question accessible through menu-structure-based URLs, but in this relatively large and complicated website with many categories I'm not sure I can rely on that.
So do you know what causes this odd behaviour and whether there is any way to change it?