feat(design): bioluminescent green+violet palette and re-tuned landing hero

feat(ui): apple-design conformance — springs for micro-interactions, reduced-motion/transparency/contrast support, typography tracking

Add MSA pairwise refinement, new UI components (SmoothLoader, Reveal, CursorGlow, Parallax), rate-limit handling in AIInterpretation

Refine design system: semantic color tokens, tiered motion, denser result cards, VinaLog toolbar

full dark migration: CSS overrides for all legacy classes, framer-motion animations across every page/component, rebrand to Bio Nexus