/* Keyframe Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn var(--transition-medium) forwards;
}

.animate-fade-up {
    animation: fadeInUp var(--transition-medium) forwards;
}

.animate-scale-in {
    animation: scaleIn var(--transition-medium) forwards;
}

/* Loading Animation */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    transition: opacity var(--transition-medium);
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-gray-300);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s infinite linear;
}

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

/* Scroll Animations */
.scroll-indicator {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-white);
    border-radius: 15px;
    position: relative;
    margin: 0 auto;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 6px;
    height: 6px;
    background-color: var(--color-white);
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scrollIndicator 2s infinite;
}

@keyframes scrollIndicator {
    0% {
        transform: translate(-50%, 0);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, 20px);
        opacity: 0;
    }
}