.global-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Buttons / Links bleiben klickbar */
    background-image: url("https://static.tildacdn.com/tild6134-3339-4431-a535-376439303364/Design_ohne_Titel_-_.png");
    background-repeat: repeat;
    background-size: auto;
    opacity: 0.2;          /* Sichtbarkeit anpassen */
    z-index: 9999;         /* Overlay über allen Sections */
    mix-blend-mode: multiply;
}