:root{--ink:#1c1c1e;--slate:#8e8e93;--signal:#ffc107;--signal-dim:#ffc10726;--signal-glow:#ffc10714;--alert:#d32f2f;--neutral:#f6f6f2;--surface:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{color:var(--ink);background:var(--neutral);font-family:DM Sans,system-ui,sans-serif;overflow-x:hidden}.ambient{background:radial-gradient(ellipse at center, var(--signal-glow) 0%, transparent 70%);pointer-events:none;z-index:0;width:800px;height:600px;position:fixed;top:-20%;left:50%;transform:translate(-50%)}.nav-bar{z-index:100;-webkit-backdrop-filter:blur(14px);background:#f6f6f2e0;border-bottom:1px solid #0000000d;position:sticky;top:0}.nav-inner{justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto;padding:14px 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