.animate-fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s; }

.animate-fade-in {
    opacity: 0;
    transition: opacity 0.8s ease;
}

.animate-fade-in.visible {
    opacity: 1;
}