/* ESSENZA - Animations & Transitions
   ============================================
   Keyframes, scroll animations, transitions
   ============================================ */

/* ===== FADE ANIMATIONS ===== */

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== SLIDE ANIMATIONS ===== */

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

/* ===== SCALE ANIMATIONS ===== */

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ===== ROTATE ANIMATIONS ===== */

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes rotateCW {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes rotateCCW {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(-360deg);
    }
}

/* ===== FLIP ANIMATIONS ===== */

@keyframes flipX {
    from {
        transform: perspective(400px) rotateX(0);
    }
    to {
        transform: perspective(400px) rotateX(360deg);
    }
}

@keyframes flipY {
    from {
        transform: perspective(400px) rotateY(0);
    }
    to {
        transform: perspective(400px) rotateY(360deg);
    }
}

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

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

@keyframes loadingBar {
    0% {
        width: 0;
    }
    50% {
        width: 100%;
    }
    100% {
        width: 100%;
    }
}

/* ===== GLOW EFFECTS ===== */

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
    }
    50% {
        box-shadow: 0 0 20px 10px rgba(212, 175, 55, 0);
    }
}

@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 0 rgba(212, 175, 55, 0.7);
    }
    50% {
        text-shadow: 0 0 20px rgba(212, 175, 55, 0.9);
    }
}

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

.animate-fade-in {
    animation: fadeIn var(--transition-normal) ease-in-out;
}

.animate-fade-out {
    animation: fadeOut var(--transition-normal) ease-in-out;
}

.animate-fade-in-up {
    animation: fadeInUp var(--transition-normal) ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown var(--transition-normal) ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft var(--transition-normal) ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight var(--transition-normal) ease-out;
}

.animate-slide-in-up {
    animation: slideInUp var(--transition-normal) ease-out;
}

.animate-slide-in-down {
    animation: slideInDown var(--transition-normal) ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft var(--transition-normal) ease-out;
}

.animate-slide-in-right {
    animation: slideInRight var(--transition-normal) ease-out;
}

.animate-scale-in {
    animation: scaleIn var(--transition-normal) ease-out;
}

.animate-scale-out {
    animation: scaleOut var(--transition-normal) ease-out;
}

.animate-pulse {
    animation: pulse var(--transition-normal) cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-bounce {
    animation: bounce var(--transition-normal) ease-in-out infinite;
}

.animate-rotate {
    animation: rotate 2s linear infinite;
}

.animate-rotate-ccw {
    animation: rotateCCW 2s linear infinite;
}

.animate-flip-x {
    animation: flipX 0.6s ease-in-out;
}

.animate-flip-y {
    animation: flipY 0.6s ease-in-out;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

.animate-text-glow {
    animation: textGlow 2s ease-in-out infinite;
}

/* ===== SCROLL TRIGGERED ANIMATIONS ===== */

.scroll-fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

.scroll-fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.scroll-fade-in-down {
    opacity: 0;
    transform: translateY(-30px);
    animation: fadeInDown 0.6s ease-out forwards;
}

.scroll-fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    animation: fadeInLeft 0.6s ease-out forwards;
}

.scroll-fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 0.6s ease-out forwards;
}

.scroll-scale-in {
    opacity: 0;
    transform: scale(0.9);
    animation: scaleIn 0.6s ease-out forwards;
}

/* Delay classes for staggered animations */
.animation-delay-100 {
    animation-delay: 0.1s;
}

.animation-delay-200 {
    animation-delay: 0.2s;
}

.animation-delay-300 {
    animation-delay: 0.3s;
}

.animation-delay-400 {
    animation-delay: 0.4s;
}

.animation-delay-500 {
    animation-delay: 0.5s;
}

/* ===== TRANSITION SHORTCUTS ===== */

.transition-all {
    transition: all var(--transition-normal);
}

.transition-color {
    transition: color var(--transition-color);
}

.transition-bg {
    transition: background-color var(--transition-color);
}

.transition-shadow {
    transition: box-shadow var(--transition-normal);
}

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

.transition-opacity {
    transition: opacity var(--transition-color);
}

.transition-fast {
    transition: all var(--transition-fast);
}

.transition-normal {
    transition: all var(--transition-normal);
}

.transition-slow {
    transition: all var(--transition-slow);
}

/* ===== HOVER ANIMATIONS ===== */

.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

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

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

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

.hover-rotate:hover {
    transform: rotate(2deg);
}

.hover-fade {
    opacity: 0.8;
    transition: opacity var(--transition-normal);
}

.hover-fade:hover {
    opacity: 1;
}

/* ===== PARALLAX SCROLL SETUP ===== */

.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.parallax-slow {
    animation: parallaxSlow linear forwards;
}

@keyframes parallaxSlow {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(50px);
    }
}

.parallax-fast {
    animation: parallaxFast linear forwards;
}

@keyframes parallaxFast {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-50px);
    }
}

/* ===== SMOOTH SCROLL ===== */

html {
    scroll-behavior: smooth;
}

/* ===== MOTION SAFE ===== */

@media (prefers-reduced-motion: no-preference) {
    * {
        scroll-behavior: smooth;
    }

    .btn,
    .card,
    a {
        transition: var(--transition-normal);
    }
}

/* ===== SKELETON LOADING ===== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-border) 25%,
        var(--color-bg-secondary) 50%,
        var(--color-border) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

.skeleton-text {
    height: 1rem;
    border-radius: var(--radius-sm);
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
}

.skeleton-card {
    height: 300px;
    border-radius: var(--radius-md);
}