Often the best way to get in on a trend, at least in relation to decor, is via textiles since they are relatively inexpensive and easy to modify. Door and window styles should be in agreement with all the architectural style of the home.
You can create a door, really like a traditional hollow-core door utilizing 2-by-4 studs. The only fragile area of the door is that the glass. Traditional doors are plain and generally made out of metal.