It is possible to pass an automated audit with a site nobody can actually use with a keyboard. Checklists measure the absence of specific failures, not the presence of a usable experience.
Semantics first, ARIA last
The cheapest time to fix accessibility is before it breaks: real HTML, honest headings, buttons that are buttons, focus states designed on purpose. Reduced-motion variants belong in the definition of done, not in the backlog.
If any of this maps to a project you are planning, I am happy to talk it through — no pitch, just a second pair of eyes. Start a conversation