/* ===== KEYFRAME ANIMATIONS ===== */
@keyframes fadeInUp {
    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);
    }
}

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

@keyframes scroll-bounce {
    0%, 20% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(8px);
    }
    80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
}

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

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

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
    }
    50% {
        box-shadow: 0 0 40px rgba(255, 215, 0, 0.4);
    }
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(var(--random-x));
        opacity: 0;
    }
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes wiggle {
    0%, 7% {
        transform: rotateZ(0);
    }
    15% {
        transform: rotateZ(-15deg);
    }
    20% {
        transform: rotateZ(10deg);
    }
    25% {
        transform: rotateZ(-10deg);
    }
    30% {
        transform: rotateZ(6deg);
    }
    35% {
        transform: rotateZ(-4deg);
    }
    40%, 100% {
        transform: rotateZ(0);
    }
}

/* ===== PARTICLE SYSTEM ===== */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-gold);
    border-radius: 50%;
    opacity: 0.6;
    animation: particle-float linear infinite;
}

.particle:nth-child(odd) {
    background: var(--secondary-gold);
    animation-duration: 8s;
}

.particle:nth-child(even) {
    background: rgba(255, 215, 0, 0.4);
    animation-duration: 12s;
}

.particle:nth-child(3n) {
    width: 3px;
    height: 3px;
    animation-duration: 15s;
}

.particle:nth-child(4n) {
    width: 1px;
    height: 1px;
    animation-duration: 6s;
}

/* ===== SCROLL ANIMATIONS ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-on-scroll.animate {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.fade-left {
    transform: translateX(-50px);
}

.animate-on-scroll.fade-left.animate {
    transform: translateX(0);
}

.animate-on-scroll.fade-right {
    transform: translateX(50px);
}

.animate-on-scroll.fade-right.animate {
    transform: translateX(0);
}

.animate-on-scroll.scale {
    transform: scale(0.9);
}

.animate-on-scroll.scale.animate {
    transform: scale(1);
}

/* ===== STAGGERED ANIMATIONS ===== */
.stagger-animation .animate-on-scroll {
    transition-delay: 0ms;
}

.stagger-animation .animate-on-scroll:nth-child(1) {
    transition-delay: 100ms;
}

.stagger-animation .animate-on-scroll:nth-child(2) {
    transition-delay: 200ms;
}

.stagger-animation .animate-on-scroll:nth-child(3) {
    transition-delay: 300ms;
}

.stagger-animation .animate-on-scroll:nth-child(4) {
    transition-delay: 400ms;
}

.stagger-animation .animate-on-scroll:nth-child(5) {
    transition-delay: 500ms;
}

/* ===== HERO TITLE ANIMATION ===== */
.hero-title-loaded .title-line {
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.hero-title-loaded .title-line:nth-child(1) {
    animation-delay: 0.3s;
}

.hero-title-loaded .title-line:nth-child(2) {
    animation-delay: 0.5s;
}

.hero-title-loaded .title-line:nth-child(3) {
    animation-delay: 0.7s;
}

.hero-subtitle-loaded {
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.9s forwards;
}

.hero-actions-loaded {
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.1s forwards;
}

.contract-info-loaded {
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.3s forwards;
}

.scroll-indicator-loaded {
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.5s forwards;
}

/* ===== HOVER EFFECTS ===== */
.hover-lift {
    transition: transform var(--transition-smooth);
}

.hover-lift:hover {
    transform: translateY(-8px);
}

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

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

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

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

.hover-wiggle:hover {
    animation: wiggle 0.5s ease-in-out;
}

/* ===== LOADING ANIMATIONS ===== */
.loading-shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.1) 100%
    );
    background-size: 200% 100%;
    animation: gradient-shift 2s ease-in-out infinite;
}

.shimmer-effect {
    position: relative;
    overflow: hidden;
}

.shimmer-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.2) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

/* ===== BUTTON ANIMATIONS ===== */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary::before {
    background: rgba(0, 0, 0, 0.1);
}

.btn-pulse {
    animation: pulse 2s infinite;
}

.btn-bounce:hover {
    animation: bounceIn 0.6s ease;
}

/* ===== NAVIGATION ANIMATIONS ===== */
.nav-container.scrolled {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
}

.nav-menu-open {
    animation: fadeInScale 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* ===== MODAL ANIMATIONS ===== */
.modal-enter {
    opacity: 0;
    transform: scale(0.9);
}

.modal-enter-active {
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.modal-exit {
    opacity: 1;
    transform: scale(1);
}

.modal-exit-active {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== CHART ANIMATIONS ===== */
.chart-fade-in {
    animation: fadeInScale 0.8s ease-out;
}

.chart-slide-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== PROPOSAL ANIMATIONS ===== */
.proposal-card-enter {
    animation: slideInFromRight 0.5s ease-out;
}

.proposal-card-exit {
    animation: slideInFromLeft 0.3s ease-out reverse;
}

.vote-success {
    animation: bounceIn 0.6s ease;
}

/* ===== METRIC ANIMATIONS ===== */
.metric-counter {
    animation: fadeInUp 0.6s ease-out;
}

.metric-pulse {
    animation: pulse 2s infinite;
}

/* ===== NOTIFICATION ANIMATIONS ===== */
.notification-slide-in {
    animation: slideInFromRight 0.4s ease-out;
}

.notification-slide-out {
    animation: slideInFromRight 0.3s ease-out reverse;
}

/* ===== WALLET CONNECTION ANIMATIONS ===== */
.wallet-connecting {
    animation: pulse 1s infinite;
}

.wallet-success {
    animation: bounceIn 0.6s ease;
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

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

/* ===== REDUCED MOTION SUPPORT ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .particle {
        display: none;
    }
    
    .btn-pulse,
    .metric-pulse,
    .wallet-connecting {
        animation: none;
    }
}

/* ===== INTERACTION FEEDBACK ===== */
.click-feedback {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

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

.ripple-effect::after {
    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%);
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        width: 300px;
        height: 300px;
        opacity: 0;
    }
}

/* ===== SUCCESS/ERROR STATES ===== */
.success-glow {
    animation: pulse-glow 2s infinite;
    border-color: var(--success-green) !important;
}

.error-shake {
    animation: wiggle 0.5s ease-in-out;
    border-color: var(--error-red) !important;
}

/* ===== LOADING SPINNER ===== */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top: 2px solid var(--primary-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-large {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}