:root{--primary:#1f7aed;}
body{font-family:'Inter',sans-serif;margin:0;padding:0;}
.site-header{background:#fff;box-shadow:0 2px 6px rgba(0,0,0,0.1);}
.btn-primary{background:var(--primary);color:#fff;padding:10px 16px;border-radius:6px;text-decoration:none;}