:root{--bg: #ffffff;--bg-alt: #f6f8fa;--fg: #1f2328;--fg-muted: #57606a;--accent: #0969da;--accent-hover: #0858b8;--border: #d0d7de;--chip-bg: #eaeef2;--radius: 8px;--max-w: 1040px}@media (prefers-color-scheme: dark){:root{--bg: #0d1117;--bg-alt: #161b22;--fg: #e6edf3;--fg-muted: #9da7b3;--accent: #58a6ff;--accent-hover: #79b8ff;--border: #30363d;--chip-bg: #21262d}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;color:var(--fg);background:var(--bg);line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}h1,h2,h3{line-height:1.2;margin-top:0}h2{font-size:1.75rem;margin-bottom:1.5rem}.container{max-width:var(--max-w);margin:0 auto;padding:0 1.25rem}.container.narrow{max-width:640px}.site-nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,0.85);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border)}@media (prefers-color-scheme: dark){.site-nav{background:rgba(13,17,23,0.85)}}.nav-inner{max-width:var(--max-w);margin:0 auto;padding:0.75rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{font-weight:700;color:var(--fg)}.nav-inner nav a{color:var(--fg-muted);margin-left:1rem;font-size:0.95rem}.nav-inner nav a:hover{color:var(--accent);text-decoration:none}.hero{padding:4rem 1.25rem 3rem}.hero-inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;gap:2.5rem;flex-wrap:wrap}.avatar{width:160px;height:160px;border-radius:50%;object-fit:cover;border:3px solid var(--border);background:var(--bg-alt)}.hero-text{flex:1 1 320px}.hero-text h1{font-size:2.25rem;margin-bottom:0.25rem}.tagline{color:var(--accent);font-weight:600;margin:0 0 1rem}.bio{color:var(--fg-muted);max-width:56ch}.cta{margin-top:1.25rem;display:flex;gap:0.75rem;flex-wrap:wrap}.btn{display:inline-block;padding:0.55rem 1.1rem;border-radius:var(--radius);border:1px solid transparent;font-weight:600;font-size:0.95rem;cursor:pointer}.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-hover);color:#fff;text-decoration:none}.btn.ghost{border-color:var(--border);color:var(--fg);background:transparent}.btn.ghost:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}.section{padding:3.5rem 0}.section.alt{background:var(--bg-alt);border-block:1px solid var(--border)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));gap:1.5rem}.skill-group h3{font-size:1rem;text-transform:uppercase;letter-spacing:0.04em;color:var(--fg-muted);margin-bottom:0.75rem}.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:0.4rem}.chip{background:var(--chip-bg);color:var(--fg);padding:0.25rem 0.65rem;border-radius:999px;font-size:0.85rem}.chips.small .chip{font-size:0.75rem;padding:0.15rem 0.55rem}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));gap:1.25rem}.project-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;display:flex;flex-direction:column;gap:0.75rem;transition:transform 0.15s ease, box-shadow 0.15s ease}.project-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,0.06)}.project-card h3{margin:0;font-size:1.15rem}.project-card p{margin:0;color:var(--fg-muted)}.project-links{margin-top:auto;display:flex;gap:1rem}.contact-links{margin-top:1.5rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.icon-link{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--border);color:var(--fg)}.icon-link:hover{color:var(--accent);border-color:var(--accent);text-decoration:none}.site-footer{text-align:center;padding:2rem 1rem;color:var(--fg-muted);font-size:0.875rem;border-top:1px solid var(--border)}@media (max-width: 640px){.hero{padding:2.5rem 1.25rem 2rem}.hero-text h1{font-size:1.75rem}.avatar{width:120px;height:120px}.nav-inner nav a{margin-left:0.6rem;font-size:0.85rem}}