*,:after,:before{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif}a{color:var(--color-primary,#2563eb)}.btn-primary{background:var(--color-primary,#2563eb);color:white;padding:.75rem 1.5rem;border:none;border-radius:.5rem;cursor:pointer;font-size:1rem;font-weight:600}.btn-primary:hover{opacity:.9}