- create legally compliant impressum.html according to § 5 DDG and § 18 MStV
- create comprehensive datenschutz.html according to GDPR/DSGVO and TDDDG with zero-tracking notice and user rights
- redesign footer across index.html and dashboard.html into modern 4-column layout (Brand, Lehrpfade, Plattform, Rechtliches & Kontakt)
- integrate Impressum and Datenschutz links in mobile navigation drawer and footers
- add dedicated responsive CSS rules for footer and legal pages in assets/style.css
- verify pixel-perfect rendering across desktop and mobile viewports via headless chromium
