Framer exposes raw head-code injection directly in Site Settings, which is exactly what Orbit's script tag needs. The only thing to remember is that it doesn't go live until you republish.
Yes — Custom Code is built for raw HTML/script injection and isn't limited to Framer's own components or React elements.
Custom code injection has generally required a paid Framer site plan rather than the free tier — check your current plan's feature list if the field isn't editable.
Yes — head code set in Site Settings applies sitewide, including pages generated from Framer CMS collections.
No — they read from completely separate systems and can be used together without interfering with each other.