/*
 * animations.css - Animation Stylesheet
 * Happy Home Repair Education
 * Location: /assets/css/animations.css
 */

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

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

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

@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(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

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

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@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;
    }
}

/* Bounce Animation */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-15px);
    }
    60% {
        transform: translateY(-7px);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-200deg);
    }
    to {
        opacity: 1;
        transform: rotate(0);
    }
}

/* Glow Animations */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 20px var(--glow-cyan);
    }
    50% {
        box-shadow: 0 0 40px var(--glow-cyan), 0 0 60px var(--glow-cyan);
    }
}

@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 10px var(--accent-star-cyan);
    }
    50% {
        text-shadow: 0 0 20px var(--accent-star-cyan), 0 0 30px var(--accent-star-cyan);
    }
}

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

@keyframes floatRotate {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(5deg);
    }
}

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

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

/* Star Twinkle */
@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

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

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

/* Wave Animation */
@keyframes wave {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(20deg);
    }
    75% {
        transform: rotate(-15deg);
    }
}

/* Heartbeat */
@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.1);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.1);
    }
    70% {
        transform: scale(1);
    }
}

/* ========================================
   ANIMATION UTILITY CLASSES
   ======================================== */

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

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

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

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

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

/* Scale Classes */
.animate-scale-in {
    animation: scaleIn 0.4s ease forwards;
}

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

/* Slide Classes */
.animate-slide-in-up {
    animation: slideInUp 0.5s ease forwards;
}

.animate-slide-in-down {
    animation: slideInDown 0.5s ease forwards;
}

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

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

/* Other Classes */
.animate-bounce {
    animation: bounce 1s ease infinite;
}

.animate-bounce-in {
    animation: bounceIn 0.6s ease forwards;
}

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

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

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

.animate-glow {
    animation: glowPulse 2s ease-in-out infinite;
}

.animate-shimmer {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.2) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.animate-heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* ========================================
   ANIMATION DELAYS
   ======================================== */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }
.delay-900 { animation-delay: 0.9s; }
.delay-1000 { animation-delay: 1s; }

/* ========================================
   ANIMATION DURATIONS
   ======================================== */
.duration-fast { animation-duration: 0.2s; }
.duration-normal { animation-duration: 0.4s; }
.duration-slow { animation-duration: 0.8s; }
.duration-slower { animation-duration: 1.2s; }

/* ========================================
   SCROLL-TRIGGERED ANIMATIONS
   ======================================== */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.animated {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animate.from-left {
    transform: translateX(-30px);
}

.scroll-animate.from-left.animated {
    transform: translateX(0);
}

.scroll-animate.from-right {
    transform: translateX(30px);
}

.scroll-animate.from-right.animated {
    transform: translateX(0);
}

.scroll-animate.scale {
    transform: scale(0.9);
}

.scroll-animate.scale.animated {
    transform: scale(1);
}

/* ========================================
   HOVER ANIMATIONS
   ======================================== */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px var(--glow-cyan);
}

.hover-rotate {
    transition: transform 0.3s ease;
}

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

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

.hover-bounce:hover {
    animation: bounce 0.5s ease;
}

/* ========================================
   BUTTON ANIMATIONS
   ======================================== */
.btn-animated {
    position: relative;
    overflow: hidden;
}

.btn-animated::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-animated:hover::after {
    width: 300px;
    height: 300px;
}

.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-shine:hover::before {
    left: 100%;
}

/* ========================================
   CARD ANIMATIONS
   ======================================== */
.card-hover-effect {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s ease;
}

.card-hover-effect:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4),
                0 0 40px var(--glow-cyan);
}

.card-tilt {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

/* ========================================
   TEXT ANIMATIONS
   ======================================== */
.text-gradient-animate {
    background: linear-gradient(
        90deg,
        var(--accent-star-cyan),
        var(--accent-soft-pink),
        var(--accent-gold),
        var(--accent-star-cyan)
    );
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 4s ease infinite;
}

.text-typing {
    overflow: hidden;
    border-right: 2px solid var(--accent-star-cyan);
    white-space: nowrap;
    animation: typing 3s steps(30) forwards, blink 0.5s step-end infinite;
}

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

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

/* ========================================
   LOADING STATES
   ======================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 25%,
        rgba(255, 255, 255, 0.1) 50%,
        var(--bg-card) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

/* ========================================
   PAGE TRANSITION
   ======================================== */
.page-transition-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-transition-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-transition-exit {
    opacity: 1;
    transform: translateY(0);
}

.page-transition-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* ========================================
   SLIDER SCALE ANIMATION
   ======================================== */
.slider-scale-enter {
    opacity: 0;
    transform: scale(0.8);
}

.slider-scale-enter-active {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.slider-scale-exit {
    opacity: 1;
    transform: scale(1);
}

.slider-scale-exit-active {
    opacity: 0;
    transform: scale(1.2);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* ========================================
   PARTICLES / DECORATIVE ANIMATIONS
   ======================================== */
.particle {
    position: absolute;
    pointer-events: none;
    animation: particleFloat 10s linear infinite;
}

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

/* Nebula Animation */
.nebula {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: nebulaFloat 20s ease-in-out infinite;
}

@keyframes nebulaFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}