A mesmerizing abstract portrait of a slender British cat, featuring striking details, painted in a modern Art Deco style using fine brush and ink wash techniques. The cat's fluffy fur is adorned with delicate gold ornaments in intricate Art Deco patterns, highlighting its elegant structure. Large, expressive eyes blend harmoniously with soft shades and subtle ink washes, while symmetrically placed ornaments on the head and neck add a royal, refined touch. The minimalist grayscale background accentuates the cat as the central subject. This cinematic, hyper-realistic 8K UHD illustration captures the cat's confident, intense gaze in vivid, captivating detail.