/*
 * Animations Stylesheet
 * This file contains CSS animations and transitions
 * Author: Performance Test Website
 * Date: 2026-03-30
 * Version: 1.0.0
 * 
 * This is yet another separate CSS file to create more HTTP requests
 * and demonstrate render-blocking issues. These animations could easily
 * be in the main CSS file, but separating them adds overhead.
 */

/* ========================================================================
   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 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 slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

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

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

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes zoomOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.5);
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes flash {
    0%, 50%, 100% {
        opacity: 1;
    }
    25%, 75% {
        opacity: 0;
    }
}

@keyframes rubberBand {
    from {
        transform: scale3d(1, 1, 1);
    }
    30% {
        transform: scale3d(1.25, 0.75, 1);
    }
    40% {
        transform: scale3d(0.75, 1.25, 1);
    }
    50% {
        transform: scale3d(1.15, 0.85, 1);
    }
    65% {
        transform: scale3d(0.95, 1.05, 1);
    }
    75% {
        transform: scale3d(1.05, 0.95, 1);
    }
    to {
        transform: scale3d(1, 1, 1);
    }
}

@keyframes swing {
    20% {
        transform: rotate3d(0, 0, 1, 15deg);
    }
    40% {
        transform: rotate3d(0, 0, 1, -10deg);
    }
    60% {
        transform: rotate3d(0, 0, 1, 5deg);
    }
    80% {
        transform: rotate3d(0, 0, 1, -5deg);
    }
    to {
        transform: rotate3d(0, 0, 1, 0deg);
    }
}

@keyframes wobble {
    from {
        transform: translate3d(0, 0, 0);
    }
    15% {
        transform: translate3d(-25%, 0, 0) rotate3d(0, 0, 1, -5deg);
    }
    30% {
        transform: translate3d(20%, 0, 0) rotate3d(0, 0, 1, 3deg);
    }
    45% {
        transform: translate3d(-15%, 0, 0) rotate3d(0, 0, 1, -3deg);
    }
    60% {
        transform: translate3d(10%, 0, 0) rotate3d(0, 0, 1, 2deg);
    }
    75% {
        transform: translate3d(-5%, 0, 0) rotate3d(0, 0, 1, -1deg);
    }
    to {
        transform: translate3d(0, 0, 0);
    }
}

@keyframes jello {
    from, 11.1%, to {
        transform: translate3d(0, 0, 0);
    }
    22.2% {
        transform: skewX(-12.5deg) skewY(-12.5deg);
    }
    33.3% {
        transform: skewX(6.25deg) skewY(6.25deg);
    }
    44.4% {
        transform: skewX(-3.125deg) skewY(-3.125deg);
    }
    55.5% {
        transform: skewX(1.5625deg) skewY(1.5625deg);
    }
    66.6% {
        transform: skewX(-0.78125deg) skewY(-0.78125deg);
    }
    77.7% {
        transform: skewX(0.390625deg) skewY(0.390625deg);
    }
    88.8% {
        transform: skewX(-0.1953125deg) skewY(-0.1953125deg);
    }
}

@keyframes heartBeat {
    0% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.3);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.3);
    }
    70% {
        transform: scale(1);
    }
}

@keyframes flip {
    from {
        transform: perspective(400px) scale3d(1, 1, 1) translate3d(0, 0, 0) rotate3d(0, 1, 0, -360deg);
        animation-timing-function: ease-out;
    }
    40% {
        transform: perspective(400px) scale3d(1, 1, 1) translate3d(0, 0, 150px) rotate3d(0, 1, 0, -190deg);
        animation-timing-function: ease-out;
    }
    50% {
        transform: perspective(400px) scale3d(1, 1, 1) translate3d(0, 0, 150px) rotate3d(0, 1, 0, -170deg);
        animation-timing-function: ease-in;
    }
    80% {
        transform: perspective(400px) scale3d(0.95, 0.95, 0.95) translate3d(0, 0, 0) rotate3d(0, 1, 0, 0deg);
        animation-timing-function: ease-in;
    }
    to {
        transform: perspective(400px) scale3d(1, 1, 1) translate3d(0, 0, 0) rotate3d(0, 1, 0, 0deg);
        animation-timing-function: ease-in;
    }
}

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

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

@keyframes colorChange {
    0% {
        background-color: #007bff;
    }
    25% {
        background-color: #6610f2;
    }
    50% {
        background-color: #e83e8c;
    }
    75% {
        background-color: #fd7e14;
    }
    100% {
        background-color: #007bff;
    }
}

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

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

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

@keyframes dots {
    0%, 20% {
        color: rgba(0, 0, 0, 0);
        text-shadow: 0.25em 0 0 rgba(0, 0, 0, 0),
                     0.5em 0 0 rgba(0, 0, 0, 0);
    }
    40% {
        color: #000000;
        text-shadow: 0.25em 0 0 rgba(0, 0, 0, 0),
                     0.5em 0 0 rgba(0, 0, 0, 0);
    }
    60% {
        text-shadow: 0.25em 0 0 #000000,
                     0.5em 0 0 rgba(0, 0, 0, 0);
    }
    80%, 100% {
        text-shadow: 0.25em 0 0 #000000,
                     0.5em 0 0 #000000;
    }
}

/* ========================================================================
   ANIMATED UTILITY CLASSES
   ======================================================================== */

.animated {
    animation-duration: 1s;
    animation-fill-mode: both;
}

.animated.infinite {
    animation-iteration-count: infinite;
}

.animated.fast {
    animation-duration: 0.5s;
}

.animated.slow {
    animation-duration: 2s;
}

.animated.delay-1 {
    animation-delay: 0.5s;
}

.animated.delay-2 {
    animation-delay: 1s;
}

.animated.delay-3 {
    animation-delay: 1.5s;
}

/* Animation Class Names */
.fade-in { animation-name: fadeIn; }
.fade-in-up { animation-name: fadeInUp; }
.fade-in-down { animation-name: fadeInDown; }
.fade-in-left { animation-name: fadeInLeft; }
.fade-in-right { animation-name: fadeInRight; }
.slide-in-up { animation-name: slideInUp; }
.slide-in-down { animation-name: slideInDown; }
.slide-in-left { animation-name: slideInLeft; }
.slide-in-right { animation-name: slideInRight; }
.zoom-in { animation-name: zoomIn; }
.zoom-out { animation-name: zoomOut; }
.rotate { animation-name: rotate; }
.bounce { animation-name: bounce; }
.shake { animation-name: shake; }
.pulse { animation-name: pulse; }
.flash { animation-name: flash; }
.rubber-band { animation-name: rubberBand; }
.swing { animation-name: swing; }
.wobble { animation-name: wobble; }
.jello { animation-name: jello; }
.heart-beat { animation-name: heartBeat; }
.flip { animation-name: flip; }
.gradient-shift { animation-name: gradientShift; }
.color-change { animation-name: colorChange; }
.spin { animation-name: spin; }
.spin-reverse { animation-name: spinReverse; }