Plantilla diploma corporativa para certificado de curso

Print-ready certificate template — kind: course completion. Issued by plantilla diploma. Subject: plantilla diploma. Style: corporate professional, none border, minimal monochrome palette. Landscape A4 composition. Center: large "Certificate of …" heading + placeholder recipient name + clean body text. Bottom: placeholder signature lines + date + organisation seal. Render every text element sharp and readable, no watermarks (other than chosen design). No real government seals or recognised accrediting bodies (no UNESCO / ISO / accreditation logos) unless explicitly part of the issuer. Tasteful framing. Target search intent (rendered visually, no on-image text): "plantilla diploma" (es).