Minimal session data.
The site does not include analytics, advertising pixels, user accounts, or marketing forms.
01
Consent session
When you opt into the immersive experience, the server stores a session flag and your selected starting intensity. The session cookie is HTTP-only, SameSite=Lax, and Secure when served over HTTPS. Choosing Exit clears the immersive-experience consent.
02
Hosting logs
The hosting provider may retain standard web-server logs such as IP address, request path, timestamp, and user agent. Retention and access are controlled by the hosting environment rather than this application.
03
Audio and device input
Optional sound is generated locally in the browser with the Web Audio API. The site does not request microphone, camera, geolocation, payment, or motion-sensor permissions.