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

/* Keyframe 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 slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
}

@keyframes glow-pulse {
    0%, 100% {
        text-shadow: 0 0 10px var(--accent-cyan),
                     0 0 20px var(--accent-cyan),
                     0 0 30px var(--accent-cyan);
    }
    50% {
        text-shadow: 0 0 5px var(--accent-cyan),
                     0 0 10px var(--accent-cyan),
                     0 0 15px var(--accent-cyan);
    }
}

@keyframes blink {
    0%, 49% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0;
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(var(--x), var(--y)) translateY(0px);
    }
    50% {
        transform: translate(var(--x), var(--y)) translateY(-20px);
    }
}

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

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

@keyframes skill-fill {
    from {
        width: 0;
    }
    to {
        width: var(--progress);
    }
}

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

@keyframes glitch {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translate(-2px, 2px);
    }
    40% {
        transform: translate(-2px, -2px);
    }
    60% {
        transform: translate(2px, 2px);
    }
    80% {
        transform: translate(2px, -2px);
    }
    100% {
        transform: translate(0);
    }
}

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

@keyframes border-dance {
    0%, 100% {
        border-color: var(--accent-cyan);
    }
    25% {
        border-color: var(--accent-purple);
    }
    50% {
        border-color: var(--accent-pink);
    }
    75% {
        border-color: var(--accent-blue);
    }
}

/* Hover Animations */
.glitch-hover:hover {
    animation: glitch 0.3s infinite;
}

.shimmer-effect {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

/* Scroll Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-down {
    animation: fadeInDown 0.8s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

/* 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; }

/* Particle Animation */
@keyframes particle-float {
    0% {
        opacity: 0;
        transform: translateY(0) scale(1);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-100px) scale(0);
    }
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: particle-float 3s ease-out infinite;
    pointer-events: none;
}

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

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

.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--accent-cyan);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), cursor 0.75s step-end infinite;
}

/* Wave Animation */
@keyframes wave {
    0%, 60%, 100% {
        transform: rotate(0deg);
    }
    10%, 30% {
        transform: rotate(14deg);
    }
    20% {
        transform: rotate(-8deg);
    }
    40% {
        transform: rotate(14deg);
    }
    50% {
        transform: rotate(-4deg);
    }
}

.wave {
    animation: wave 2s ease-in-out infinite;
    display: inline-block;
    transform-origin: 70% 70%;
}

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

.spinner {
    border: 3px solid rgba(100, 255, 218, 0.1);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

.bounce {
    animation: bounce 2s infinite;
}

/* Scale Pulse */
@keyframes scale-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.scale-pulse {
    animation: scale-pulse 2s ease-in-out infinite;
}

/* Neon Glow Animation */
@keyframes neon-glow {
    0%, 100% {
        text-shadow: 
            0 0 4px var(--accent-cyan),
            0 0 11px var(--accent-cyan),
            0 0 19px var(--accent-cyan),
            0 0 40px var(--accent-cyan),
            0 0 80px var(--accent-cyan),
            0 0 90px var(--accent-cyan);
    }
    50% {
        text-shadow: 
            0 0 2px var(--accent-cyan),
            0 0 5px var(--accent-cyan),
            0 0 10px var(--accent-cyan),
            0 0 20px var(--accent-cyan),
            0 0 40px var(--accent-cyan),
            0 0 45px var(--accent-cyan);
    }
}

.neon-text {
    animation: neon-glow 1.5s ease-in-out infinite;
}

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

.animated-gradient {
    background: linear-gradient(
        -45deg,
        var(--accent-cyan),
        var(--accent-purple),
        var(--accent-pink),
        var(--accent-blue)
    );
    background-size: 400% 400%;
    animation: gradient-animation 15s ease infinite;
}

/* Matrix Rain Effect */
@keyframes matrix-rain {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

.matrix-char {
    position: absolute;
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-size: 1rem;
    animation: matrix-rain linear infinite;
}

/* Breathing Animation */
@keyframes breathe {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

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

/* Card Flip Animation */
@keyframes flip {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(180deg);
    }
}

.flip-card {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover {
    animation: flip 0.6s forwards;
}

/* Shake Animation */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

.shake {
    animation: shake 0.5s;
}

/* Perspective Animation */
@keyframes perspective-rotate {
    0% {
        transform: perspective(1000px) rotateY(0deg);
    }
    100% {
        transform: perspective(1000px) rotateY(360deg);
    }
}

.perspective-rotate {
    animation: perspective-rotate 20s linear infinite;
}

/* Reveal from Bottom */
@keyframes reveal-bottom {
    from {
        opacity: 0;
        transform: translateY(100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reveal from Top */
@keyframes reveal-top {
    from {
        opacity: 0;
        transform: translateY(-100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Zoom In */
@keyframes zoom-in {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Zoom Out */
@keyframes zoom-out {
    from {
        opacity: 0;
        transform: scale(1.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}