:root{--ink:#121212;--paper:#f7f2e8;--white:#fffdf8;--blue:#2447ff;--yellow:#e5ff54;--coral:#ff6b4a;--line:#121212;--muted:#5d5a54;--radius:20px;--shadow:7px 7px 0 #121212}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.55}.skip-link{position:absolute;left:-9999px}.skip-link:focus{z-index:20;background:#fff;padding:.8rem;top:1rem;left:1rem}a{color:inherit;text-decoration:none}.site-header{background:var(--white);border-bottom:2px solid var(--line);z-index:5;align-items:center;gap:2rem;height:82px;padding:0 clamp(1.2rem,4vw,4.5rem);display:flex;position:relative}.brand{align-items:center;gap:.7rem;margin-right:auto;display:flex}.brand-mark{background:var(--yellow);border:2px solid var(--line);width:45px;height:45px;box-shadow:3px 3px 0 var(--ink);border-radius:12px 12px 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