Online vizitky: minimalistický návrh oboustranné vizitky

Print-ready business card design concept for an online business card service branded "Online Vizitky," for Jana Novak, Business Consultant at Online Vizitky (consulting). Show both sides side-by-side in a modern minimalist style with a monochrome elegant palette, 3.5×2 inch proportions, photorealistic studio mockup on a clean neutral surface. Include clean placeholder typography for name, role, company, phone, email, and website, with sharp typography, balanced negative space, subtle premium paper texture, and no watermarks or real logos.