YouTube channel banner for "Hidden Mind System" — a sleek, modern, mysterious design representing human psychology, mindset, hidden patterns, influence, and social behavior. Central area (middle 20%) contains abstract brain, neural network, or geometric labyrinth motif, glowing subtly. Top 40% and bottom 40% completely empty (transparent/blank) for text and overlays. Color palette: deep blue, dark gray, metallic gold accents. Futuristic, professional, high-tech, intelligent, eye-catching, cinematic lighting, minimal clutter, clean composition, vector-ready, suitable for YouTube channel branding.