Papier firmowy wzór na eleganckim mockupie A4

Print-ready letterhead template for "Papier Firmowy Wzór" (professional services). Company brief: a polished business stationery concept designed to visually represent a universal Polish-style corporate letterhead sample, with a refined and trustworthy office identity. Style: classic corporate, navy + cream classic palette; A4 portrait layout with a clean header band containing a placeholder logo and company name, a subtle logo-mark watermark in the background, and a structured footer strip with placeholder address, phone, email, website, and registration number, leaving a generous central text area for body copy. Photorealistic top-down mockup on premium paper, crisp print detail, no real branding, no extra watermarks other than the chosen design.