His step was light.
I went home with a tired gait.
His gait was light after winning the match.
The police are trying to pin down the escaped suspect's movements.
Maybe he was tired—his steps were heavy.
The detective traced the missing person's movements.
He was drunk and his steps were unsteady.
足元 (in its gait sense) describes the steadiness of one's steps, while 足取り focuses on the manner or trace of one's walking.