Crossword Genius

Brightens up when there are special benefits (5)

Ross

I believe the answer is:

perks

I'm a little stuck... Click here to teach me more about this clue!

'benefits' is the definition.
(I know this)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Another definition for perks that I've seen is " Incidental benefits from one's employment".)

I've seen this clue in the Evening Standard.
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