/* KWS background images: decorative, fixed behind site content. */
.kws-bg-image-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    z-index: -1;
    pointer-events: none;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover; /* Preserve aspect ratio; crop rather than stretch. */
}
.kws-bg-image-mobile { display: none; }
@media (max-width: 749px) {
    .kws-bg-image-desktop { display: none; }
    .kws-bg-image-mobile { display: block; }
}