:root{--bg-color: #0a0a0a;--text-main: #ededed;--text-muted: #a1a1aa;--border-color: #27272a;--card-bg: #121212;--accent: #10b981}body{background:var(--bg-color);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0}.container{max-width:900px;margin:0 auto;padding:2rem}.nav-inner{display:flex;justify-content:space-between;align-items:center}.nav a{color:var(--text-main);margin-left:1rem;text-decoration:none}.nav button{margin-left:1rem;background:transparent;border:1px solid var(--border-color);color:var(--text-main);padding:.3rem .5rem;border-radius:6px}h1{font-size:2rem}.lead{color:var(--text-muted)}.bio{color:var(--text-muted);max-width:600px}.project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem}.card{background:var(--card-bg);border:1px solid var(--border-color);padding:1rem;border-radius:12px}.site-footer{padding:2rem 0;color:var(--text-muted)}body.light{--bg-color:#fff;--text-main:#111;--text-muted:#6b7280;--border-color:#e5e7eb;--card-bg:#fff}