Fit and elegant woman posing gracefully on a grand staircase in a historic mansi

fit and elegant woman posing gracefully on a grand staircase in a historic mansion, wearing a silky, midnight blue gown that cascades down the steps. The dress’s deep V-neckline and open back accentuate her toned shoulders and arms. The background is detailed with ornate railings, marble floors, and soft, golden lighting, creating a regal and sophisticated atmosphere