Ya the original is a good example but that's probably still too apocalyptic, one can watch that and scoff saying "it'd never get that bad".
Stuff that's more focused on the immediate, painful changes but still in line of sight from our current reality. Children of Men did a pretty good job pulling some subtle "here's how society has changed for the worse" world building in (obviously all based on it's underlying premise that no more children are being born)
More like Mad Max?