Premium 3D password security icon, floating keyhole combined with password dots (••••••), translucent blue and white glass material, glassmorphism style, soft gradients, modern cybersecurity concept, elegant reflections, minimal composition, clean white background, futuristic fintech application illustration, smooth rounded shapes, volumetric lighting, subtle glow, high-end UI design, trust and authentication concept, ultra detailed 3D render, octane render, 8K