/* ===================================
   Gitcademy - Animations
   Smooth, satisfying animations
   =================================== */

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 100px;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(99, 102, 241, 0);
    }
}

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

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

@keyframes expandWidth {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

@keyframes expandHeight {
    from {
        transform: scaleY(0);
    }
    to {
        transform: scaleY(1);
    }
}

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(33, 150, 243, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(33, 150, 243, 0.8);
    }
}

@keyframes wiggle {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-5deg);
    }
    75% {
        transform: rotate(5deg);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes zoomOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.8);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

@keyframes flip {
    0% {
        transform: perspective(400px) rotateY(0);
    }
    100% {
        transform: perspective(400px) rotateY(360deg);
    }
}

@keyframes drawLine {
    from {
        stroke-dashoffset: 1000;
    }
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes fillCircle {
    from {
        fill-opacity: 0;
    }
    to {
        fill-opacity: 1;
    }
}

@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

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

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

@keyframes floatUp {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(-100px);
        opacity: 0;
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

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

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.5s ease forwards;
}

.animate-slide-in-left {
    animation: slideInLeft 0.5s ease forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.5s ease forwards;
}

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

.animate-bounce {
    animation: bounce 1s infinite;
}

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

.animate-shimmer {
    animation: shimmer 2s infinite;
}

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

.animate-wiggle {
    animation: wiggle 0.5s ease;
}

.animate-zoom-in {
    animation: zoomIn 0.5s ease forwards;
}

.animate-shake {
    animation: shake 0.5s ease;
}

/* ===== Transition Classes ===== */

.transition-all {
    transition: all 0.3s ease;
}

.transition-fast {
    transition: all 0.2s ease;
}

.transition-slow {
    transition: all 0.5s ease;
}

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

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

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

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(33, 150, 243, 0.6);
}

/* ===== Interactive Element Animations ===== */

.interactive-card {
    transition: all 0.3s ease;
}

.interactive-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.interactive-card:active {
    transform: translateY(-2px);
}

/* ===== Loading Animations ===== */

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(33, 150, 243, 0.2);
    border-top-color: #2196F3;
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

.loading-dots span {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #2196F3;
    border-radius: 50%;
    margin: 0 4px;
    animation: bounce 1.4s infinite ease-in-out;
}

.loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

/* ===== Success/Error Animations ===== */

.success-check {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: drawLine 0.5s ease forwards;
}

.error-cross {
    animation: shake 0.5s ease;
}

/* ===== Terminal Cursor Blink ===== */

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background-color: #4caf50;
    animation: blink 1s step-end infinite;
}

/* ===== Progress Bar Animation ===== */

.progress-animate {
    transition: width 0.3s ease;
}

/* ===== Page Transition ===== */

.page-enter {
    animation: fadeInUp 0.5s ease forwards;
}

.page-exit {
    animation: fadeInDown 0.3s ease forwards;
}

/* ===== Smooth Scroll Reveal ===== */

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Button Click Effect ===== */

.btn-click-effect {
    position: relative;
    overflow: hidden;
}

.btn-click-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-click-effect:active::after {
    width: 300px;
    height: 300px;
}

/* ===== Card Flip Animation ===== */

.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* ===== Gradient Animation ===== */

.gradient-animated {
    background: linear-gradient(270deg, #667eea, #764ba2, #f093fb);
    background-size: 600% 600%;
    animation: gradient 15s ease infinite;
}

/* ===== Floating Animation ===== */

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

@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===== 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; }

/* ===== Focus Animations ===== */

.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.5);
    animation: pulse 0.5s ease;
}

/* ===== 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;
    }
}