76 lines
3.5 KiB
Markdown
76 lines
3.5 KiB
Markdown
# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## Project Overview
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Interactive CV/portfolio website for Andy Charlwood with a distinctive three-phase loading experience: terminal boot sequence → ECG canvas animation → main content. Built as a React SPA with TypeScript and Vite.
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## Commands
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- `npm run dev` — Start dev server (localhost:5173)
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- `npm run build` — TypeScript compile + Vite production build
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- `npm run typecheck` — TypeScript type checking only (`tsc --noEmit`)
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- `npm run lint` — ESLint
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- `npm run preview` — Preview production build
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No test framework is configured.
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## Architecture
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### Three-Phase UI Flow
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`App.tsx` manages a `Phase` state (`'boot'` → `'ecg'` → `'content'`). Each phase renders exclusively:
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1. **BootSequence** — Terminal typing animation (~4s), green-on-black aesthetic
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2. **ECGAnimation** — Canvas-based heartbeat animation (~5-6s) with letter tracing, background transitions from black to white
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3. **Content** — FloatingNav + all CV sections (Hero, Skills, Experience, Education, Projects, Contact, Footer)
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Total boot-to-content time must be ≤10 seconds.
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### Key Patterns
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- **Scroll reveals**: `useScrollReveal` hook wraps IntersectionObserver with trigger-once semantics. Used by every content section. Never use scroll event listeners.
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- **Active nav tracking**: `useActiveSection` hook tracks which section is in viewport for FloatingNav highlighting.
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- **Staggered animations**: Components use index-based delays (`baseDelay + index * 100`) with Framer Motion.
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- **SVG skill circles**: `Skills.tsx` uses `strokeDashoffset = circumference * (1 - level / 100)` with `-90deg` rotation to start from 12 o'clock.
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- **Canvas ECG**: `ECGAnimation.tsx` does imperative canvas drawing with requestAnimationFrame — flatline → 3 heartbeats (40px→60px→100px) → letter tracing → exit.
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### Path Aliases
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`@/` maps to `./src/` (configured in both `vite.config.ts` and `tsconfig.json`).
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### Styling
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Tailwind CSS with custom design tokens in `tailwind.config.js`:
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- **Colors**: teal `#00897B` (primary), coral `#FF6B6B` (accent), ECG palette (green/cyan/dim)
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- **Fonts**: Plus Jakarta Sans (primary), Inter Tight (secondary), Fira Code (mono/terminal)
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- **Breakpoints**: xs 480px, sm 640px, md 768px, lg 1024px, xl 1280px
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- Inline styles only for dynamic values that Tailwind can't express (e.g., computed `strokeDashoffset`).
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### Type System
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All data types live in `src/types/index.ts`. Strict TypeScript — no `any` types. One component per file with typed props interfaces.
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## Guardrails
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- Boot sequence text and colors must match `References/concept.html` exactly (CLINICAL TERMINAL v3.2.1 format).
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- ECG animation timing/amplitudes/color transitions must match the concept reference.
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- CV content sourced from `References/CV_v4.md` — roles, dates, and achievement numbers must be accurate.
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- Icons via `lucide-react`, not unicode symbols.
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- When writing components with visual styling or animations, invoke the `/frontend-design` skill first.
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## Project Structure
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```
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src/
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├── components/ # One component per file (PascalCase)
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├── hooks/ # Custom hooks (camelCase, use* prefix)
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├── lib/ # Utility functions
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├── types/ # TypeScript interfaces
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├── App.tsx # Phase manager (root component)
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└── index.css # Global styles + Tailwind directives
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Ralph/ # Implementation plan, guardrails, progress tracking
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References/ # Source content (concept.html, CV_v4.md, ECGVideo/)
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```
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