:root{color-scheme:dark;--bg:#07111f;--panel:#0c1a2b;--line:#203249;--text:#f4f7fb;--muted:#9cacc0;--blue:#2584ff;--cyan:#35d5e8;--green:#32d583;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 74% 8%,#123d70 0,transparent 30%),var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button{font:inherit}.nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:36px;max-width:1260px;margin:auto;padding:22px 28px;background:rgba(7,17,31,.78);backdrop-filter:blur(20px)}.brand{display:flex;align-items:center;gap:10px;font-weight:850}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:0 8px 30px #2584ff55}.nav 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