:root{--bg:#0b1020;--panel:#121a2d;--panel2:#172036;--text:#eef3ff;--muted:#93a0bd;--accent:#61dafb;--accent2:#7cf3c9;--danger:#ff7b8b;--border:#26324d;--shadow:0 18px 55px rgba(0,0,0,.25)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 15% 0%,#182443 0,#0b1020 34%),var(--bg);color:var(--text);font-family:Tahoma,Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}.container{width:min(1080px,calc(100% - 28px));margin:0 auto;padding:34px 0 70px}.topbar{height:68px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100vw - 1080px)/2));background:rgba(11,16,32,.78);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}.topbar nav{display:flex;gap:20px;color:var(--muted)}.topbar nav 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