/* Background watermark: logo Signawin (medalha) centralizado, atrás de tudo. */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url('/assets/logo-signawin-bg.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: min(60vw, 60vh);
    opacity: 0.14;
    z-index: -1;
    pointer-events: none;
}
@media (max-width: 760px){
    body::before{
        background-size: min(75vw, 75vh);
        opacity: 0.10;
    }
}