There are still some unsolved mysteries, to be sure. But science is as solid a cognitive foundation as you can get. Quantum mechanics is counterintuitive, but it only adds to the reliability of science's methods. I've written a few articles on the hard problem of consciousness:

https://medium.com/@benjamincain8/the-limbo-from-the-labyrinth-consciousness-and-the-brain-de363f015558?source=friends_link&sk=52d918e56d3fa533aa2a282f28c049f9

https://medium.com/original-philosophy/why-busybodies-are-baffled-by-the-nature-of-consciousness-5b436c9636dd?sk=73195aaafb10ad2cccee4eabf15e7b95

https://medium.com/original-philosophy/how-black-holes-help-solve-the-mystery-of-consciousness-939cb0fa7693?sk=7a19c3e4b758978d8417d52ceb3a0a3d

https://medium.com/original-philosophy/how-physical-objects-submit-to-the-apparent-miracle-of-human-consciousness-b3b1b6da5069?sk=9ec71097b3cb92d4d6c291a909cdf25b