Kestrel

Style: playful flat, light canvas, peach/coral blob accent.

Layout: centered hero with hand-drawn doodle sparkles around a bold "404" wordmark, headline and link below.

Components: peach amoeba-shaped blob, oversized black "404" numerals, sparkle/squiggle doodles, "Hmm. That page slipped off the map" headline, underlined homepage link, full nav with "Start free trial" CTA.

Vibe: friendly, approachable, AI/helpdesk SaaS.