Lethavia / Accessibility
This site targets WCAG 2.2 level AA, and concretely applies the choices described below rather than just mentioning them.

A skip link to the main content, visible on keyboard focus
Visible focus on every interactive element, never suppressed
A consistent heading hierarchy on every page
Keyboard-accessible menus and dialogs, closable with Escape
Respect for the system's "reduced motion" preference
FAQs built as native accordions, usable without active JavaScript