:root{--ink:#17151d;--muted:#686372;--paper:#f6f3ee;--card:#fff;--purple:#6555d9;--purple-dark:#4435aa;--purple-soft:#ece9ff;--line:#17151d1c;--shadow:0 22px 70px #251c4b1f;--radius:28px;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.55}button,input,textarea{font:inherit}a{color:inherit}img{max-width:100%;display:block}.shell{width:min(calc(100% - 40px), var(--max));margin:0 auto}.site-header{z-index:10;position:relative}.nav{justify-content:space-between;align-items:center;gap:24px;padding:24px 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