Access Control

Yes, you need more information.

Wireless systems as you describe can be implemented.
Im a bit out of touch, the concern when i was involved was not, can you get out, but can a fireman get in when you are lying on the floor unconscious.

Each building needs its own assesment, once you understand that you can start designing the various modules you need.

Be aware though that you may have to consider the mechanics of the locks themselves.