/* Apply Cairo Semi Bold (600) to the body and all generic text */
body {
    font-family: 'Cairo', sans-serif;
    font-weight: 600;
}

/* Force Cairo Extra Bold (800) on all headers */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Cairo', sans-serif !important;
    font-weight: 800 !important;
}