/* ============================================
   TechVernia - Animations & Effects
   AI-themed animations for a futuristic feel
   ============================================ */

/* ============================================
   Keyframe Animations
   ============================================ */

/* Pulse Animation - For the AI orb core */
@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 1;
    }
}

/* Spin Animation - For orbital rings */
@keyframes spin {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

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

/* Dash Animation - For network connection lines */
@keyframes dash {
    to {
        stroke-dashoffset: -100;
    }
}

/* Letter Slide - For newsletter envelope */
@keyframes letterSlide {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Fade In Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@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);
    }
}

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

@keyframes scaleUp {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

/* Glow Animations */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 217, 255, 0.6), 0 0 60px rgba(124, 58, 237, 0.3);
    }
}

@keyframes glowPulse {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(0, 217, 255, 0.8));
    }
}

/* Typing Cursor Animation */
@keyframes blink {
    0%, 50% {
        border-color: var(--accent-primary);
    }
    51%, 100% {
        border-color: transparent;
    }
}

/* Float Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(2deg);
    }
    75% {
        transform: translateY(10px) rotate(-2deg);
    }
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

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

/* Wave Animation */
@keyframes wave {
    0%, 100% {
        transform: scaleY(1);
    }
    50% {
        transform: scaleY(0.5);
    }
}

/* Network Pulse */
@keyframes networkPulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Particle Float */
@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Data Stream */
@keyframes dataStream {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(100vw);
        opacity: 0;
    }
}

/* ============================================
   Animation Classes
   ============================================ */

/* Fade In Classes */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.animate-fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in-down {
    opacity: 0;
    animation: fadeInDown 0.6s ease-out forwards;
}

.animate-fade-in-left {
    opacity: 0;
    animation: fadeInLeft 0.6s ease-out forwards;
}

.animate-fade-in-right {
    opacity: 0;
    animation: fadeInRight 0.6s ease-out forwards;
}

.animate-scale-in {
    opacity: 0;
    animation: scaleIn 0.5s ease-out forwards;
}

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

/* Scroll Triggered Animations */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

[data-animate="fade-up"] {
    transform: translateY(40px);
}

[data-animate="fade-down"] {
    transform: translateY(-40px);
}

[data-animate="fade-left"] {
    transform: translateX(-40px);
}

[data-animate="fade-right"] {
    transform: translateX(40px);
}

[data-animate="scale"] {
    transform: scale(0.9);
}

[data-animate="scale"].animated {
    transform: scale(1);
}

/* Stagger Animations for Lists */
[data-stagger] > * {
    opacity: 0;
    transform: translateY(20px);
}

[data-stagger].animated > *:nth-child(1) { transition-delay: 0s; }
[data-stagger].animated > *:nth-child(2) { transition-delay: 0.1s; }
[data-stagger].animated > *:nth-child(3) { transition-delay: 0.2s; }
[data-stagger].animated > *:nth-child(4) { transition-delay: 0.3s; }
[data-stagger].animated > *:nth-child(5) { transition-delay: 0.4s; }
[data-stagger].animated > *:nth-child(6) { transition-delay: 0.5s; }
[data-stagger].animated > *:nth-child(7) { transition-delay: 0.6s; }
[data-stagger].animated > *:nth-child(8) { transition-delay: 0.7s; }
[data-stagger].animated > *:nth-child(9) { transition-delay: 0.8s; }
[data-stagger].animated > *:nth-child(10) { transition-delay: 0.9s; }

[data-stagger].animated > * {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

/* ============================================
   Hover Effects
   ============================================ */

/* Lift on Hover */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* Glow on Hover */
.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
}

/* Scale on Hover */
.hover-scale {
    transition: transform 0.3s ease;
}

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

/* Rotate on Hover */
.hover-rotate {
    transition: transform 0.3s ease;
}

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

/* ============================================
   Special Effects
   ============================================ */

/* Typing Effect */
.typing-effect {
    display: inline-block;
    border-right: 3px solid var(--accent-primary);
    animation: blink 0.7s step-end infinite;
}

/* Shimmer Effect */
.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

/* Gradient Text Animation */
.animated-gradient {
    background: linear-gradient(
        90deg,
        var(--accent-primary),
        var(--accent-secondary),
        var(--accent-tertiary),
        var(--accent-primary)
    );
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 8s linear infinite;
}

/* Pulsing Dot */
.pulse-dot {
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -12px;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent-tertiary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: rotate 0.8s linear infinite;
}

/* Wave Bars */
.wave-bars {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 20px;
}

.wave-bars span {
    width: 3px;
    height: 100%;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: wave 0.8s ease-in-out infinite;
}

.wave-bars span:nth-child(1) { animation-delay: 0s; }
.wave-bars span:nth-child(2) { animation-delay: 0.1s; }
.wave-bars span:nth-child(3) { animation-delay: 0.2s; }
.wave-bars span:nth-child(4) { animation-delay: 0.3s; }
.wave-bars span:nth-child(5) { animation-delay: 0.4s; }

/* ============================================
   Neural Network Background Styles
   ============================================ */

.neural-node {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.5;
    animation: pulse 3s ease-in-out infinite;
}

.neural-connection {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0.2;
    transform-origin: left center;
}

/* ============================================
   Particle System Styles
   ============================================ */

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.6;
    pointer-events: none;
    animation: particleFloat linear infinite;
}

.particle:nth-child(odd) {
    background: var(--accent-secondary);
}

.particle:nth-child(3n) {
    background: var(--accent-tertiary);
}

/* ============================================
   Data Stream Effect
   ============================================ */

.data-stream {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    overflow: hidden;
    pointer-events: none;
    z-index: 9999;
}

.data-stream::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    animation: dataStream 2s linear infinite;
}

/* ============================================
   Card Reveal Animation
   ============================================ */

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

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

.card-reveal:hover::before {
    left: 100%;
}

/* ============================================
   Magnetic Button Effect
   ============================================ */

.magnetic-btn {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================
   Parallax Styles
   ============================================ */

.parallax-layer {
    will-change: transform;
}

[data-parallax="slow"] {
    transform: translateY(calc(var(--scroll) * 0.3));
}

[data-parallax="medium"] {
    transform: translateY(calc(var(--scroll) * 0.5));
}

[data-parallax="fast"] {
    transform: translateY(calc(var(--scroll) * 0.8));
}

/* ============================================
   Counter Animation
   ============================================ */

.counter {
    font-variant-numeric: tabular-nums;
}

/* ============================================
   Cursor Effects
   ============================================ */

.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.1s ease, opacity 0.1s ease;
    mix-blend-mode: difference;
}

.custom-cursor.hovering {
    transform: scale(2);
    background: var(--accent-primary);
    opacity: 0.3;
}

/* ============================================
   Reduced Motion
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .typing-effect {
        border-right: none;
    }

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

    .parallax-layer {
        transform: none !important;
    }
}

/* ============================================
   Performance Optimizations
   ============================================ */

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

/* Only animate visible elements */
.animate-on-visible {
    animation-play-state: paused;
}

.animate-on-visible.is-visible {
    animation-play-state: running;
}