/**
 * Animation Styles
 * 
 * CSS for scroll-triggered animations and micro-interactions.
 */

/* Base animation setup */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* Animation types */
.animate-fade-up {
    animation: fadeUp 0.6s ease forwards;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate-slide-left {
    animation: slideLeft 0.6s ease forwards;
}

.animate-slide-right {
    animation: slideRight 0.6s ease forwards;
}

.animate-scale {
    animation: scale 0.6s ease forwards;
}

/* Keyframes */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Button hover effects */
.btn,
.btn-primary,
.btn-secondary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before,
.btn-primary::before,
.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before,
.btn-primary:hover::before,
.btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg,
            var(--bg-secondary) 25%,
            var(--bg-tertiary) 50%,
            var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

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

    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-heading {
    height: 2em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-card {
    height: 200px;
    border-radius: 12px;
}

/* Parallax elements */
[data-parallax] {
    will-change: transform;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
    }

    [data-parallax] {
        transform: none !important;
    }
}

/* Stagger animations (add delay classes) */
[data-delay="100"] {
    transition-delay: 0.1s;
}

[data-delay="200"] {
    transition-delay: 0.2s;
}

[data-delay="300"] {
    transition-delay: 0.3s;
}

[data-delay="400"] {
    transition-delay: 0.4s;
}

[data-delay="500"] {
    transition-delay: 0.5s;
}
