Implement `mockup/index.html` as template/snippets.
Implement trajectory page (content, template, style).

Content: `content/1-traject/`
Template: `site/templates/traject.php`
Implment services page (content, template, style).
Implement trajectory page responsiveness (style).
Implement home page responsiveness (style).
Implement practice page (content, template, style).
Implement header, footer, and home page responsiveness (style).
Re-implement home page (template).