Aquarius on the inside, Leo on the way in.
Your sun in Aquarius (air, fixed) is the engine — what thinks at the centre, what holds when you are at home in yourself. Your Leo rising (fire, fixed, ruled by Sun) is the door — the way you arrive in a room, the first read the world takes of you, the body you walk in.
Strangers tend to assume you are fast and bold — that is the Leo arriving first. Then they get to know you and discover the Aquarius air underneath, which can be a layered second read — they have to update their first impression.
Reads as Leo until you trust them; then Aquarius comes through. The fixed-fixed mix means you consistently holds.