Create an illustration of a female superhero with the following features: 1. **Costume Color**: Replace the red costume with a deep blue costume. 2. **Headpiece**: Change the headpiece to a sleek silver helmet design. 3. **Pose**: Show her in an action pose with one arm raised as if to cast a spell. 4. **Gloves**: Use black gloves instead of red ones. 5. **Cape**: Design the cape to be more flowing and transparent, with a gradient transitioning from blue to purple. 6. **Background**: Set against a cosmic background featuring swirling galaxies, stars, and nebulae, with no brand references. 7. **Expression**: Give her a determined expression, embodying strength and courage. Focus on maintaining a dynamic composition while emphasizing her heroic stance.