Use this skill when the user wants to build a developer-friendly customer-support / inbox marketing landing in the Plain style — dark periwinkle-accented canvas with a 3-pane inbox/thread mockup (sidebar, list, thread), named agent/assistant features rendered as proper nouns (Ari, Sidekick, Lookup, Insights, Help Center), a single restrained `#7a8cff` accent, mono-labelled onboarding timeline, hairline security badge row, and conversational empowerment-led copy aimed at engineering-led support teams.
