I Googled 21st Century Christian. How very intellectual of me. Sooo maybe I missed some HUGE movement full of new insights and profound thoughts. If not, I am so NOT a "21st Century Christian."
It appears to be ---big surprise coming--- More Of The Same! Fundamentalism after cosmetic surgery.
The Bible has become the worshiped idol.
Religion is complicated, and that is it's first failing. It leads people away from God.
Simplistic of me? Yep. The Golden Rule is simple. Not easy, but simple, and every moral and ethical path leads right back to it.