/**
 * Animations - Natural Paints & Coatings
 * Premium, Slow, Liquid Paint-Inspired Animations
 */

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Fade In Down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

/* Fade In Left */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

/* Fade In Right */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

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

/* Float Animation */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Pulse Animation */
@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Liquid Ripple */
@keyframes liquidRipple {
    0% {
        transform: scale(0);
        opacity: 1;
    }

    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

/* Paint Splash */
@keyframes paintSplash {
    0% {
        clip-path: circle(0% at 50% 50%);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        clip-path: circle(150% at 50% 50%);
        opacity: 1;
    }
}

/* Gradient Flow */
@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Paint Blob Movement */
@keyframes blobMove1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

@keyframes blobMove2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }

    33% {
        transform: translate(-40px, 30px) scale(1.2) rotate(120deg);
    }

    66% {
        transform: translate(20px, -40px) scale(0.8) rotate(240deg);
    }
}

@keyframes blobMove3 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(50px, 50px) scale(1.3);
    }
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

/* Rotate */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   ANIMATION UTILITY CLASSES
   ============================================ */

/* Fade Animations */
.animate-fade-in {
    animation: fadeIn 0.8s var(--ease-out) forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s var(--ease-out) forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.8s var(--ease-out) forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s var(--ease-out) forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s var(--ease-out) forwards;
}

/* Scale Animation */
.animate-scale-in {
    animation: scaleIn 0.6s var(--ease-out) forwards;
}

/* Float Animation */
.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Pulse Animation */
.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Stagger 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;
}

.delay-600 {
    animation-delay: 600ms;
}

.delay-700 {
    animation-delay: 700ms;
}

.delay-800 {
    animation-delay: 800ms;
}

/* ============================================
   LIQUID RIPPLE EFFECT (Button Click)
   ============================================ */

.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
    opacity: 0;
}

/* ============================================
   PAINT SPLASH REVEAL
   ============================================ */

.paint-splash-reveal {
    position: relative;
    overflow: hidden;
}

.paint-splash-reveal::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    clip-path: circle(0% at 50% 50%);
    transition: clip-path 0.8s var(--ease-out);
    z-index: 1;
}

.paint-splash-reveal:hover::before {
    clip-path: circle(150% at 50% 50%);
}

.paint-splash-reveal>* {
    position: relative;
    z-index: 2;
}

/* ============================================
   GRADIENT FLOW BACKGROUND
   ============================================ */

.gradient-flow {
    background: linear-gradient(270deg,
            var(--color-primary),
            var(--color-accent),
            var(--color-secondary),
            var(--color-primary));
    background-size: 400% 400%;
    animation: gradientFlow 15s ease infinite;
}

/* ============================================
   PAINT BLOB BACKGROUND
   ============================================ */

.paint-blobs {
    position: relative;
    overflow-x: hidden;
}

.paint-blobs::before,
.paint-blobs::after,
.paint-blobs .blob {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    pointer-events: none;
}

.paint-blobs::before {
    width: 400px;
    height: 400px;
    background: var(--gradient-blob-1);
    top: -100px;
    left: -100px;
    animation: blobMove1 20s ease-in-out infinite;
}

.paint-blobs::after {
    width: 500px;
    height: 500px;
    background: var(--gradient-blob-2);
    bottom: -150px;
    right: -150px;
    animation: blobMove2 25s ease-in-out infinite;
}

.paint-blobs .blob {
    width: 350px;
    height: 350px;
    background: var(--gradient-blob-3);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: blobMove3 30s ease-in-out infinite;
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.scroll-reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.scroll-reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.scroll-reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   HOVER EFFECTS
   ============================================ */

/* Lift on Hover */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Glow on Hover */
.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(44, 95, 45, 0.4);
}

/* Scale on Hover */
.hover-scale {
    transition: transform var(--transition-base);
}

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

/* Rotate on Hover */
.hover-rotate {
    transition: transform var(--transition-base);
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* ============================================
   IMAGE REVEAL EFFECTS
   ============================================ */

.image-reveal {
    position: relative;
    overflow: hidden;
}

.image-reveal img {
    transition: transform 0.8s var(--ease-out);
}

.image-reveal:hover img {
    transform: scale(1.1);
}

.image-reveal::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.5));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.image-reveal:hover::after {
    opacity: 1;
}

/* ============================================
   SHIMMER LOADING EFFECT
   ============================================ */

.shimmer {
    background: linear-gradient(90deg,
            var(--color-neutral-200) 0%,
            var(--color-neutral-300) 50%,
            var(--color-neutral-200) 100%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

/* ============================================
   PAGE TRANSITION
   ============================================ */

.page-transition {
    position: fixed;
    inset: 0;
    background: var(--gradient-primary);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s var(--ease-out);
}

.page-transition.active {
    opacity: 1;
    pointer-events: all;
}

/* ============================================
   LIQUID BUTTON EFFECT
   ============================================ */

.btn-liquid {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-liquid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s var(--ease-out), height 0.6s var(--ease-out);
}

.btn-liquid:hover::before {
    width: 300%;
    height: 300%;
}

/* ============================================
   STAGGER ANIMATION
   ============================================ */

.stagger-item {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-item.animate {
    animation: fadeInUp 0.6s var(--ease-out) forwards;
}

.stagger-item:nth-child(1) {
    animation-delay: 0ms;
}

.stagger-item:nth-child(2) {
    animation-delay: 100ms;
}

.stagger-item:nth-child(3) {
    animation-delay: 200ms;
}

.stagger-item:nth-child(4) {
    animation-delay: 300ms;
}

.stagger-item:nth-child(5) {
    animation-delay: 400ms;
}

.stagger-item:nth-child(6) {
    animation-delay: 500ms;
}

.stagger-item:nth-child(7) {
    animation-delay: 600ms;
}

.stagger-item:nth-child(8) {
    animation-delay: 700ms;
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

.will-animate {
    will-change: transform, opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}