.header {
  position: sticky;
  top: 0;
  z-index: 100;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.container > *:not(header) {
  animation: fadeInUp 0.4s ease-out both;
}

@media (prefers-reduced-motion: reduce) {
  .container > *:not(header) {
    animation: none;
  }
}