No...the Enlightenment was built despite Christianity....in fact, many of the Enlightenment philosophers had to tread lightly in fear of religious repercussions.Imagine a world without Christians or any other religious belief system.
Your life would very likely be measurably more brutal and harsh if that had happened. The Enlightenment is built on a Christian foundation.
True. The Church was the First Estate then, i.e. the power brokers.