master
feat: premium dark design — Linear/Vercel-inspired
fix: family hint next to checkbox, WHO link on heart/cancer, baseline text
feat: landing page audit — rewrite texts, meta, about page, sign-in button
fix: remove auto-scroll to current week
feat: GitLife logo component + SVG favicon
fix: canvas background matches card color, cells now visible
feat: wizard for onboarding, full form for settings
feat: major UI overhaul — scale selector, i18n, toasts, axis labels, famous devs tabs
feat: scroll-to-top button with fade animation
fix: progress bars animate from zero with ease-out
refactor: shared StickyStatsBar component for dashboard + demo
feat: add i18n (7 languages), theming, and root layout providers