Pricing tables are everywhere — SaaS landing pages, subscription sites, and app stores. In this challenge, you will build a Pricing Cards Tier Grid that shows three plan options side by side.
The page must display three pricing cards (Basic, Pro, Enterprise). The middle card should be highlighted as the popular choice. There must be a toggle switch to switch between Monthly and Annual billing. When toggled, all displayed prices update instantly, and an annual discount label should appear on each card.
