How do I access/grab the content of a particular folder/page?
On your “one-pager” example you parse through all the visible folders and display the content with foreach. How would the code line look like if I want to access e.g. the titles of the subpages in the “projects”-folder of the one-pager example or only of one specific page?
you could use the page helper: http://getkirby.com/docs/cheatsheet/helpers/page
So instead of foreach($pages->visible() as $section) {
you could replace $pages->visible() by page('projects')->children()->visible()
foreach(page('projects')->children()->visible() as $section) {`