.slider {
    position: relative;
    width: 100%;
    height: 60vh; /* Höhe des Sliders */
    overflow: hidden;
  }

  .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;    
    opacity: 0;
    transition: opacity 1s ease-in-out;
  }

  .slide.active {
    opacity: 1;
  }

  /* Optional: Navigation-Pfeile */
  .arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: white;
    background: rgba(0,0,0,0.3);
    padding: 0.5rem;
    cursor: pointer;
    user-select: none;
    z-index: 10;
  }

  .arrow.left { left: 10px; }
  .arrow.right { right: 10px; }