:root{--bg:#0d1117;--panel:#171d27;--panel2:#202938;--text:#edf4ed;--muted:#a9b6ad;--accent:#64d98b;--accent2:#80a8ff;--danger:#ff7b7b;--border:#2e3947;--shadow:0 18px 45px #0005;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:dark}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 10% 0,#183429 0,transparent 28%),linear-gradient(145deg,#0b0f15,#111822);color:var(--text);line-height:1.55}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.topbar{display:flex;justify-content:space-between;align-items:center;padding:1rem clamp(1rem,5vw,4rem);background:#0c121bcc;border-bottom:1px solid var(--border);backdrop-filter:blur(12px);position:sticky;top:0;z-index:3}.brand{font-weight:800;color:var(--text);letter-spacing:.02em}.topbar nav{display:flex;align-items:center;gap:1.2rem}.container{width:min(1100px,calc(100% - 2rem));margin:3rem auto}.hero{padding:clamp(2rem,6vw,5rem);border:1px 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