:root{--primary:#0A0A0A;--accent:#2563EB;--bg:#FFFFFF;--text:#0A0A0A;--muted:#6B7280;--maxw:864px;--space:8px}*{box-sizing:border-box}html:focus-within{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--accent)}a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}header{position:sticky;top:0;z-index:10;background:#ffffffe6;-webkit-backdrop-filter:saturate(180%) blur(6px);backdrop-filter:saturate(180%) blur(6px);border-bottom:1px solid #eee}nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 0}.nav-links{display:flex;flex-wrap:wrap;gap:12px}.nav-links a{padding:6px 10px;text-decoration:none;color:var(--primary)}.nav-links a:hover{background:#f4f4f5;border-radius:10px}.hero{padding:64px 0 32px}h1{font-size:clamp(40px,6vw,56px);line-height:1.1;margin:0 0 8px}h2{font-size:clamp(28px,3.5vw,32px);margin:32px 0 12px}p{font-size:clamp(16px,2.6vw,18px);margin:8px 0}.muted{color:var(--muted)}.cta{display:inline-block;margin-top:16px;padding:10px 14px;background:var(--accent);color:#fff;border-radius:10px;text-decoration:none;font-weight:600}section{scroll-margin-top:72px;padding:24px 0}.grid-projects{display:grid;gap:16px}@media (min-width:900px){.grid-projects{grid-template-columns:1fr 1fr}}.card{border:1px solid #eee;border-radius:14px;padding:16px;background:#fff;box-shadow:0 1px 2px #00000008}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.tag{border:1px solid #e5e7eb;padding:2px 8px;border-radius:999px;font-size:12px;color:#374151}footer{border-top:1px solid #eee;padding:24px 0;margin-top:32px;font-size:14px}.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.skip:focus{left:8px;top:8px;width:auto;height:auto;padding:8px;background:#fff;border:2px solid var(--accent);border-radius:8px}