:root{--navy:#061421;--navy2:#09273d;--blue:#05aef0;--blue2:#148dd0;--ink:#10223d;--muted:#617189;--light:#f4f7fa;--line:#dbe5ed;--white:#fff;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.55}a{color:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.topbar{position:sticky;top:0;z-index:50;background:rgba(4,18,30,.95);color:white;border-bottom:1px solid rgba(255,255,255,.12);backdrop-filter:blur(10px)}.nav{height:76px;display:flex;align-items:center;gap:28px}.brand{font-size:32px;font-weight:800;letter-spacing:-1.5px;text-decoration:none;margin-right:auto}.brand .ai{color:var(--blue)}.brand small{display:block;font-size:10px;color:var(--blue);letter-spacing:.2px;margin-top:-7px}.navlinks{display:flex;align-items:center;gap:26px}.navlinks 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