Plantilla A4 de membretes elegantes estilo suizo

Print-ready letterhead template for membretes elegantes (real estate). Company brief: membretes elegantes. Style: swiss design, black + warm white palette. Header band with placeholder logo + company name. Footer strip with placeholder address, phone, email, website, registration number. Watermark: soft tinted band. Generous text area for body copy. A4 portrait, no watermarks (other than chosen design). No real registration numbers or addresses — use clean placeholders. No fake government seals. Target search intent (rendered visually, no on-image text): "membretes elegantes" (es).