Depict the classic RX-78-2 Gundam in a dynamic battle stance, holding its iconic shield in one hand and a beam rifle in the other. The setting is a starlit cosmic backdrop, highlighting its formidable presence. Render the Gundam with the distinct mechanical detailing and vibrant color palette reminiscent of Kunio Okawara's style, emphasizing bold lines and angular shapes. Enhance the design with subtle modifications such as additional paneling and luminous accents on the armor, giving a modern twist while preserving its iconic silhouette. Highlight the anime aesthetics with dynamic action lines and a sense of motion as if caught mid-action, ensconced in the essence of the Mobile Suit Gundam universe.