Feature: Back-to-Top Button
Scroll-aware back-to-top control with reduced-motion support.
Scroll-aware back-to-top control with reduced-motion support.
Shared section and callout components for consistent page structure.
Intersection Observer based fade-in transitions for content blocks.
Governance for navigation, motion, and UX refinement features.
Phase 4 completion release note covering observability, security hardening, runbooks, and UX/SEO documentation upgrades.
Visual design system, component patterns, navigation architecture, and accessibility standards for portfolio applications.