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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    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);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

/* Glow Animation */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(255, 107, 0, 0.2),
                    0 0 10px rgba(255, 107, 0, 0.1);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 107, 0, 0.4),
                    0 0 30px rgba(255, 107, 0, 0.2);
    }
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Bounce Animation */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Slide Animations */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

/* Rotate Animation */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Loading Animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Text Typing Animation */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

/* Gradient Animation */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Scroll Reveal Classes */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger Animation Delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* Hero Animations */
.hero-badge {
    animation: fadeInDown 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero h1 {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-subtitle {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.hero-buttons {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

/* Button Hover Effects */
.btn-primary,
.btn-secondary,
.download-btn {
    position: relative;
    overflow: hidden;
}

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

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

/* Card Hover Effects */
.feature-card,
.tech-card,
.info-card {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s ease,
                box-shadow 0.3s ease;
}

/* Icon Animations */
.feature-icon {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card:hover .feature-icon i {
    animation: pulse 1s ease-in-out;
}

/* Hash Box Animation */
.hash-value {
    position: relative;
    overflow: hidden;
}

.hash-value::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 107, 0, 0.1),
        transparent
    );
    transition: left 0.5s;
}

.hash-value:hover::after {
    left: 100%;
}

/* Loading State Animation */
.loading {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Tooltip Animation */
@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Progress Bar Animation */
@keyframes progressBar {
    from {
        width: 0%;
    }
    to {
        width: 100%;
    }
}

/* Notification Slide In */
@keyframes notificationSlideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Background Pulse */
@keyframes backgroundPulse {
    0%, 100% {
        background-color: var(--bg-card);
    }
    50% {
        background-color: var(--bg-tertiary);
    }
}

/* Underline Expand */
@keyframes underlineExpand {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

/* Smooth Opacity Transitions */
.fade-transition {
    transition: opacity 0.3s ease;
}

.fade-transition.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Feature Details Expand */
.feature-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease,
                margin-top 0.3s ease,
                padding-top 0.3s ease;
    opacity: 0;
}

.feature-details.expanded {
    max-height: 500px;
    opacity: 1;
}

/* Section Reveal on Scroll */
section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Navbar Hide/Show on Scroll */
.navbar-hidden {
    transform: translateY(-100%);
}

/* Mobile Menu Slide */
.nav-links {
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Glow on Active Elements */
.glow-effect {
    animation: glow 2s ease-in-out infinite;
}

/* Text Shimmer Effect */
.shimmer-text {
    background: linear-gradient(
        90deg,
        var(--text-primary) 0%,
        var(--accent) 50%,
        var(--text-primary) 100%
    );
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 3s linear infinite;
}

/* Download Button Success Animation */
@keyframes downloadSuccess {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
        background-color: var(--success);
    }
    100% {
        transform: scale(1);
    }
}

.download-btn.success {
    animation: downloadSuccess 0.6s ease;
}

/* Hash Verification Animation */
@keyframes hashVerify {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.hash-verified {
    animation: hashVerify 0.5s ease;
}

/* Scroll Indicator Bounce */
.scroll-indicator {
    animation: bounce 2s infinite;
}

/* Reduce Motion for Accessibility */
@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;
    }
}

/* Performance Optimization */
.gpu-accelerated {
    transform: translateZ(0);
    will-change: transform;
}

/* Hover States with Smooth Transitions */
a, button, .clickable {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Focus States for Accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Active States */
.btn-primary:active,
.download-btn:active {
    transform: scale(0.98);
}

/* Link Underline Animation */
.animated-underline {
    position: relative;
}

.animated-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.animated-underline:hover::after {
    width: 100%;
}

/* Card Stack Animation */
@keyframes cardStack {
    0% {
        transform: translateY(0) scale(1);
    }
    100% {
        transform: translateY(-5px) scale(1.02);
    }
}

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

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* Expand/Collapse Animation */
.expand-enter {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

.expand-enter-active {
    max-height: 1000px;
    opacity: 1;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
}

.expand-exit {
    max-height: 1000px;
    opacity: 1;
}

.expand-exit-active {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
}