.paper-plane {
  position: absolute;
  left: -60px;
  font-size: 32px;
  animation: flyAcross 12s ease-in-out infinite;
  z-index: 0;
  opacity: 0.8;
}

.plane1 {
  top: 100px;
  animation-delay: 0s;
}

.plane2 {
  top: 200px;
  animation-delay: 4s;
}

.plane3 {
  top: 300px;
  animation-delay: 8s;
}

@keyframes flyAcross {
  0% {
    transform: translateX(0) translateY(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  25% {
    transform: translateX(25vw) translateY(-30px) rotate(15deg);
  }
  50% {
    transform: translateX(50vw) translateY(20px) rotate(-10deg);
  }
  75% {
    transform: translateX(75vw) translateY(-20px) rotate(20deg);
  }
  100% {
    transform: translateX(100vw) translateY(0) rotate(-15deg);
    opacity: 0;
  }
}

.mitra-logo {
  max-height: 40px;
  margin: 10px;
  object-fit: contain;
  filter: grayscale(20%);
  transition: transform 0.3s;
}

.mitra-logo:hover {
  transform: scale(1.05);
  filter: none;
}