Create an oil painting of Seraphina, an immortal goddess, with the youthful beauty and grace of the romantic era, in a style evocative of Jean-Honore Fragonard. She should be depicted with a radiant complexion that suggests everlasting life. Attention should be given to the intricate details of her flowing, soft attire that exudes an ethereal quality. Her hair is styled timelessly, and her eyes are filled with profound wisdom. The background is a calm, classic landscape that beautifully complements her divine presence.