/* Animation Keyframes */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Animation Utility Classes */
.anim-fade-up {
    opacity: 0;
    animation: fadeUp 0.6s var(--transition-normal) forwards;
}

.anim-fade-in {
    opacity: 0;
    animation: fadeIn 0.6s var(--transition-normal) forwards;
}

.anim-slide-left {
    opacity: 0;
    animation: slideInLeft 0.6s var(--transition-normal) forwards;
}

.anim-slide-right {
    opacity: 0;
    animation: slideInRight 0.6s var(--transition-normal) forwards;
}

.anim-scale-in {
    opacity: 0;
    animation: scaleIn 0.6s var(--transition-normal) forwards;
}

/* Animation Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* Animation Durations */
.duration-300 { animation-duration: 300ms; }
.duration-500 { animation-duration: 500ms; }
.duration-700 { animation-duration: 700ms; }
.duration-1000 { animation-duration: 1000ms; }

/* Hover Animations */
.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale {
    transition: transform var(--transition-normal);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* Scroll Animations */
.scroll-fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

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

.scroll-fade-in {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.scroll-fade-in.is-visible {
    opacity: 1;
}

/* Loading Animations */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-background-alt);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Page Transition Animations */
.page-transition-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-transition-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.page-transition-exit {
    opacity: 1;
    transform: translateY(0);
}

.page-transition-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}