/* Modern Animations and Effects - Optimized for Performance */

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(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(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleInUp {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Bounce Animations */
@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);
    }
}

@keyframes bounceInUp {
    0% {
        opacity: 0;
        transform: translateY(100px);
    }
    60% {
        opacity: 1;
        transform: translateY(-10px);
    }
    80% {
        transform: translateY(5px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes rotateInUpLeft {
    from {
        opacity: 0;
        transform: rotate(45deg) translateX(-100px);
    }
    to {
        opacity: 1;
        transform: rotate(0) translateX(0);
    }
}

/* Pulse and Glow Effects */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(79, 195, 247, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(79, 195, 247, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(79, 195, 247, 0);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(79, 195, 247, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(79, 195, 247, 0.8), 0 0 30px rgba(79, 195, 247, 0.6);
    }
}

/* Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

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

@keyframes blink {
    0%, 50% {
        border-color: transparent;
    }
    51%, 100% {
        border-color: var(--accent-color);
    }
}

/* Wave Animation */
@keyframes wave {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

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

/* Morphing Animation */
@keyframes morph {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

/* Stagger Animation Classes */
.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; }

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

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

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

.fade-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
}

.scale-in {
    animation: scaleIn 0.6s ease-out forwards;
}

.scale-in-up {
    animation: scaleInUp 0.8s ease-out forwards;
}

.bounce-in {
    animation: bounceIn 0.8s ease-out forwards;
}

.bounce-in-up {
    animation: bounceInUp 0.8s ease-out forwards;
}

.rotate-in {
    animation: rotateIn 0.8s ease-out forwards;
}

.rotate-in-up-left {
    animation: rotateInUpLeft 0.8s ease-out forwards;
}

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

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

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-8px);
}

.hover-scale {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.hover-rotate {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.hover-glow {
    transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(79, 195, 247, 0.4);
}

/* Continuous Animations */
.float {
    animation: float 6s ease-in-out infinite;
}

.float-slow {
    animation: floatSlow 8s ease-in-out infinite;
}

.pulse {
    animation: pulse 2s infinite;
}

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

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

.morph {
    animation: morph 8s ease-in-out infinite;
}

/* Gradient Animation */
.gradient-animate {
    background: linear-gradient(-45deg, #4fc3f7, #29b6f6, #81d4fa, #4fc3f7);
    background-size: 400% 400%;
    animation: gradientShift 3s ease infinite;
}

/* Shimmer Effect */
.shimmer {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    background-size: 200px 100%;
    animation: shimmer 2s infinite;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(79, 195, 247, 0.3);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Reveal on Scroll */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Parallax Effect */
.parallax {
    transform: translateZ(0);
    will-change: transform;
}

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

/* Button Animations */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

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

.btn-ripple:active::before {
    width: 300px;
    height: 300px;
}

/* Card Flip Animation */
.card-flip {
    perspective: 1000px;
}

.card-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

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

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

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

/* Smooth Page Transitions */
.page-transition {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

@media (max-width: 768px) {
    .float, .float-slow {
        animation: none;
    }
    
    .morph {
        animation: none;
    }
}