Responsive web design, mockup, desktop, laptop, tablet, mobile phone, various screen sizes, resolutions, orientations, scrolling, interactive elements, buttons, icons, navigation menu, search bar, hero image, background texture, gradient colors, modern minimalism, clean typography, whitespace, flat design, 3D visual effects, subtle animations, hover effects, click interactions, loading animations, speed lines, wireframe, pixel-perfect design, high-fidelity mockup, realistic lighting, detailed textures, atmospheric perspective, cinematic composition, soft focus, shallow depth of field.