/* Fade-in animation */
.fade-in {
    animation: fadeIn 1s ease-in-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Slide-up animation */
.slide-up {
    animation: slideUp 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Delay classes */
.delay-1 {
    animation-delay: 0.3s;
}

.delay-2 {
    animation-delay: 0.6s;
}

.delay-3 {
    animation-delay: 0.9s;
}

/* Pulse animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 136, 204, 0.4);
    }
    70% {
        transform: scale(1.02);
        box-shadow: 0 0 0 10px rgba(0, 136, 204, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 136, 204, 0);
    }
}

/* Hover animations */
.card:hover h2 i {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-5deg);
    }
    50% {
        transform: rotate(5deg);
    }
    75% {
        transform: rotate(-5deg);
    }
}

/* Button hover effect */
.btn:hover {
    animation: rubberBand 0.8s;
}

@keyframes rubberBand {
    from {
        transform: scale3d(1, 1, 1);
    }
    30% {
        transform: scale3d(1.25, 0.75, 1);
    }
    40% {
        transform: scale3d(0.75, 1.25, 1);
    }
    50% {
        transform: scale3d(1.15, 0.85, 1);
    }
    65% {
        transform: scale3d(0.95, 1.05, 1);
    }
    75% {
        transform: scale3d(1.05, 0.95, 1);
    }
    to {
        transform: scale3d(1, 1, 1);
    }
}