When you register: your email address, display name (if provided), and interface language.
When you purchase: we do not see or store your card details — those are handled directly by Stripe. We store the Stripe payment ID, amount paid, course purchased, and attribution data (utm_source, utm_campaign, fbclid, ttclid, _fbp, _fbc) to understand which marketing channels drive sales.
When you browse (only with your consent): device type, browser, session ID, pages visited, and click events collected via our own tracking endpoint and, where consent is granted, via Meta Pixel and TikTok Pixel.
Server-side events (account creation, purchase confirmation, login) are recorded regardless of cookie consent, as they are necessary to deliver the service you requested.