Design a set of elegant and minimalist birthday cards featuring simple yet encha

Design a set of elegant and minimalist birthday cards featuring simple yet enchanting unicorns and delicate fairies. Each card should have a clean, uncluttered design with soft pastel backgrounds. The unicorns should be stylized with smooth lines and subtle details, while the fairies are portrayed as delicate, almost ethereal figures with minimalistic wings and gentle poses. The cards should include sophisticated birthday messages in sleek, modern fonts, with the unicorns and fairies interacting in a subtle and graceful manner, such as a fairy lightly touching a unicorn’s horn, leaving a faint trail of sparkles