.scene--active { animation: scene-enter .55s ease both; }
.intro-card { animation: card-float 6s ease-in-out infinite; }
@keyframes scene-enter { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes card-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
@media (prefers-reduced-motion: reduce) { .scene--active, .intro-card { animation: none; } }