.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-delay-1 { transition-delay: 80ms; }
.fade-in-delay-2 { transition-delay: 160ms; }
.fade-in-delay-3 { transition-delay: 240ms; }
.fade-in-delay-4 { transition-delay: 320ms; }
.fade-in-delay-5 { transition-delay: 400ms; }
.fade-in-delay-6 { transition-delay: 480ms; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 1.5s infinite;
}

@keyframes shine {
    0% { background-position: -100% 0; }
    100% { background-position: 200% 0; }
}

.btn-shine {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    background-size: 200% 100%;
    animation: shine 3s infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

.counter {
    font-variant-numeric: tabular-nums;
}