Pexels image credits (free to use, attribution appreciated):

hero-office.jpeg — Photo by fauxels: https://www.pexels.com/photo/people-discussing-about-graphs-3184465/
case-1.jpeg — Photo by fauxels: https://www.pexels.com/photo/people-using-laptop-3183197/
case-2.jpeg — Photo by fauxels: https://www.pexels.com/photo/people-working-in-front-of-the-computer-3184287/
case-3.jpeg — Photo by fauxels: https://www.pexels.com/photo/people-using-laptop-3184357/

You can replace any of these files; keep filenames to avoid updating HTML.

