UI/UX Fundamentals

Understand the critical difference between User Interface and User Experience design, and master the Double Diamond framework — Empathize, Define, Ideate, Prototype, Test — the five stages every professional design process follows.

Master the three pillars of user research — qualitative interviews, quantitative surveys, and behavioral analytics — and learn to synthesize findings into design decisions backed by evidence, not assumptions.

Learn how to organize content and navigation so users find what they need without conscious effort. Master card sorting to discover user mental models and tree testing to validate navigation structure before writing a single line of code.

Learn to create wireframes at every fidelity level — from hand-drawn sketches to interactive prototypes — and understand how each stage answers different design questions before a single line of production code is written.

Master the three primary tools designers use to control where a user's eye goes first — contrast, scale, and weight — and implement visual hierarchy in CSS using font-size, font-weight, color, and spacing to guide attention without confusion.

Learn the five core Gestalt perceptual laws that govern how users group visual information and implement each principle in CSS to create interfaces that feel naturally organized without requiring conscious effort to interpret.

Master color theory fundamentals — HSL color model, color harmony rules, and psychological associations — and build a production-ready CSS custom property color system that maintains WCAG AA accessibility across light and dark themes.

Master UI typography fundamentals — choosing between serif and sans-serif, building a modular type scale, setting optimal line-height and letter-spacing, and pairing typefaces using CSS Google Fonts and variable fonts.

Master the 8-point grid system and CSS spacing scales — build a token-based spacing system using CSS custom properties that creates visual rhythm, ensures consistency across components, and scales predictably from mobile to desktop.

Master the 12-column grid system used by every major design system and UI framework, and implement responsive column-based layouts using CSS Grid with named grid lines, area templates, and auto-placement algorithms.

Apply Jakob Nielsen's 10 Usability Heuristics as a practical evaluation framework, and implement each heuristic as specific HTML, CSS, and ARIA patterns that create interfaces users find instantly intuitive.

Master the design-to-development handoff process — using Figma Dev Mode to extract CSS values, reading red-line annotations, understanding design tokens, and setting up a collaboration workflow that prevents implementation drift.