:root{--bg:#0a0b12;--bg2:#111324;--card:#161930;--ink:#eef1ff;--muted:#9aa3c7;--brand:#5b7cff;--brand2:#9a6bff;--accent:#3ddc97;--line:#ffffff14;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(1200px 700px at 70% -10%,#7a5cff2e,transparent 60%),radial-gradient(900px 600px at 0% 10%,#5b7cff26,transparent 55%),var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,Inter,system-ui,sans-serif}a{color:inherit}a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.wrap{max-width:1080px;margin:0 auto;padding:0 22px}.btn{border-radius:14px;align-items:center;gap:8px;padding:12px 20px;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s;display:inline-flex}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 10px 30px 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