Ultra clean premium invoice design, modern minimal layout, white and soft neutral background, elegant typography, professional grid system, top section with logo placeholder and brand name, invoice title "INVOICE" bold and clear, client details section (name, email, address), service breakdown table with columns (Description, Quantity, Price, Total), highlighted total amount section with subtle accent color, payment status (Paid / Pending), invoice number and date, footer with thank you note and contact info, soft shadows, high-end corporate style, Swiss design inspiration, lots of white space, perfectly aligned layout, print-ready A4 format, ultra realistic, sharp details, premium branding aesthetic, no clutter