body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(to bottom, #2b5876, #4e4376);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* Kortsdesign */
.card-container {
  perspective: 1000px;
}

.card {
  width: 300px;
  height: 200px;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(0deg);
  transition: transform 0.8s;
  cursor: pointer;
}

.card .front,
.card .back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 10px;
}

.card .front {
  background: #f7d9d9;
  color: #b02a37;
  font-size: 24px;
  font-weight: bold;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card .back {
  background: #b02a37;
  color: #f7d9d9;
  font-size: 18px;
  transform: rotateY(180deg);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card.flipped {
  transform: rotateY(180deg);
} 

.card-container:hover .card {
  transform: rotateY(180deg);
}

/* Snöanimation */
.snow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.snowflake {
  position: absolute;
  top: -10px;
  color: white;
  font-size: 10px;
  opacity: 0.8;
  animation: fall infinite linear;
}

@keyframes fall {
  0% {
      transform: translateY(0);
      opacity: 1;
  }
  100% {
      transform: translateY(100vh);
      opacity: 0.3;
  }
}