Instructions

• Use semantic HTML tags (<nav>, <main>, <article>, <section>) for accessibility.
• Apply Tailwind responsive prefixes (sm, md, lg) by default for mobile-first design.
• Include loading.tsx for every async route to improve UX.
• Follow WCAG 2.1 AA standards for elderly users (larger fonts, high contrast, clear navigation).
• Use German language for content as per SGB XI requirements.