The CMS question comes up in every new project. WordPress is the default answer for most agencies. It is the right answer about 60% of the time. The other 40% of the time, defaulting to WordPress creates more problems than it solves.
When WordPress Is Right
When the client will be managing content regularly and needs a familiar interface. When you need a plugin ecosystem, payment processing, booking, membership, e-commerce. When budget is limited and you need a proven, well-documented solution with a large support community.
When WordPress Is Wrong
When performance is critical and you cannot afford the overhead. When the site is essentially static, a brochure site with 5 pages that changes quarterly. When the client has no technical staff and WordPress's update and security overhead is a risk they cannot manage.
The Alternatives
Astro for static sites with great performance. Webflow for design-heavy sites where the client wants visual editing. Statamic for developers who want a clean PHP CMS without WordPress baggage. Directus or Strapi if you need a headless CMS feeding a custom frontend.
The Deciding Question
Who will maintain this site, and what will they need to do? Answer that first. The platform choice follows from it.