:root{--ink:#10243a;--navy:#07192d;--blue:#2764f0;--ice:#dff5ff;--sky:#90ddff;--paper:#f7fbfd;--line:#cbdde5;--muted:#617286;--orange:#ff7848;--white:#fff;--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.45 Inter,Arial,sans-serif}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.topbar{height:76px;padding:0 max(24px,4vw);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dce9ef;background:rgba(247,251,253,.94);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:11px;letter-spacing:.04em}.brand span{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;font-size:19px}.topbar nav{display:flex;gap:30px;font-size:14px;font-weight:700}.topbar nav a:hover{color:var(--blue)}.header-cta{padding:10px 18px;border:1px solid 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