Mobile-First UI/UX Engineering: Design Systems, Accessibility (a11y), and Micro-Interactions
Over 70% of global web traffic originates from mobile devices. Designing for desktop first and retrofitting layouts onto smaller viewports produces cluttered navigation and compromised user journeys. A true mobile-first engineering methodology begins with touch constraints, visual hierarchy, and performance budgets before scaling up to larger desktop canvases. 1. Constructing a Scalable Design System A
