body {
    font-family: 'Segoe UI', sans-serif;
  }
  
  .flip-card {
    background-color: transparent;
    width: 100%;
    max-width: 500px;
    perspective: 1000px;
  }
  
  .flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s ease-in-out;
    transform-style: preserve-3d;
  }
  
  .flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
  }
  
  .flip-card-front,
  .flip-card-back {
    position: absolute;
    width: 100%;
    backface-visibility: hidden;
    background-color: white;
    border-radius: 12px;
  }
  
  .flip-card-front {
    z-index: 2;
  }
  
  .flip-card-back {
    transform: rotateY(180deg);
  }