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Frontend•Frontend Developer•2026•Rubric Score: 3.96/5.0

AuraNav — Accessible Navigation System

Production-grade, fully accessible responsive navigation architecture built with Astro and Tailwind CSS v4.

Responsive navigation system engineered with strict TypeScript and Tailwind CSS v4, featuring WCAG-compliant keyboard traversal, animated hamburger-to-X transitions via group-aria-expanded, and zero runtime overhead.

WCAG 2.2 AA

Accessibility Target

Strict

TypeScript Mode

0 kB Framework

Runtime Overhead

1

The Problem & Intended Users

Many modern navigation components break screen reader semantics, trap keyboard focus, or introduce bloated client JavaScript frameworks for simple menu toggles.

2

Architecture & Implementation Decisions

Built mobile-first Astro markup with Tailwind v4 variant modifiers, strict TypeScript state handlers (`scripts/navbar.ts`), Escape key listeners, outside-click detection, and aria-expanded synchronization.

Technical Architecture Pipeline:

Component-driven Astro architecture (`Navbar.astro`, `Layout.astro`, `navbar.ts`) with typed navigation arrays (`NavLink[]`), producing 100% static HTML/CSS/JS without framework bloat.

3

Source-Verified Capabilities

Mobile-first responsive layout collapsing below 768px (md breakpoint)
Zero-class-juggling hamburger-to-X animation driven by Tailwind group-aria-expanded
Full keyboard accessibility: Escape key menu dismissal, focus return, and visible focus rings
Strict mode TypeScript controller handling outside-click, resize, and link selection
4

Measurable Results & Delivery

Lightweight, zero-runtime-overhead navigation system passing strict accessibility audits with seamless keyboard navigation.

Verified Technologies & Tools

AstroTailwind CSS v4TypeScriptAccessibilityA11y

Looking for this level of engineering rigor on your project?

I architect clean, accessible, and high-performance web systems and automated AI pipelines tailored to production standards.