@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes arrow-bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(0);
  }
  40% {
    transform: translateX(10px);
  }
  60% {
    transform: translateX(5px);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.navbar.scrolled {
  background: rgba(11, 26, 57, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}