Accessibility (a11y) Comprehensive accessibility guidelines based on WCAG 2.1 and Lighthouse accessibility audits. Goal: make content usable by everyone, including people with disabilities. WCAG Principles: POUR | Principle | Description | | ------------------ | ------------------------------------------------- | | P erceivable | Content can be perceived through different senses | | O perable | Interface can be operated by all users | | U nderstandable | Content and interface are understandable | | R obust | Content works with assistive technologies | Conformance levels | Level | Requirement…