feat: core layout, UI atoms, homepage + behaviour modules
- UI atoms: Chip, Button, SplitCvButton, LangSwitch, ThemeToggle, Card,
SectionLabel, TraceMotif, FramedImage
- core: Base/Seo/Header/MobileNav/Footer/HintBar/SkipLink/ThemeScript
- homepage sections: Hero, ProofStrip, SkillsGrid, ProjectCards,
ExperienceTimeline, AboutTeaser, ContactBand + Homepage composition (EN/NO)
- behaviour modules: theme, nav (overlay/hint/copy/header), observer (reveal/spy),
lightbox, form — progressive enhancement, fail-silent
- SEO head component: meta, hreflang from slug map, JSON-LD, OG references
- move content data to src/data (avoid Astro reserved content-collection folder)
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
cesnimda
1fce1b3cec