/* Advanced Animation Library for Enhanced Web Experience */

/* Morphing Shapes Animation */
.morphing-bg {
    position: relative;
    overflow: hidden;
}

.morphing-shape {
    position: absolute;
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb);
    border-radius: 50% 30% 70% 40%;
    animation: morphing 8s ease-in-out infinite;
    opacity: 0.1;
}

@keyframes morphing {
    0%, 100% {
        border-radius: 50% 30% 70% 40%;
        transform: rotate(0deg) scale(1);
    }
    25% {
        border-radius: 30% 70% 40% 60%;
        transform: rotate(90deg) scale(1.1);
    }
    50% {
        border-radius: 70% 40% 60% 30%;
        transform: rotate(180deg) scale(0.9);
    }
    75% {
        border-radius: 40% 60% 30% 70%;
        transform: rotate(270deg) scale(1.1);
    }
}

/* Liquid Button Effect */
.liquid-button {
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.liquid-button::before {
    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, height 0.6s;
}

.liquid-button:hover::before {
    width: 300px;
    height: 300px;
}

/* Neon Glow Effect */
.neon-glow {
    text-shadow:
        0 0 5px currentColor,
        0 0 10px currentColor,
        0 0 15px currentColor,
        0 0 20px currentColor;
    animation: neon-flicker 2s ease-in-out infinite alternate;
}

@keyframes neon-flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 2px solid;
    white-space: nowrap;
    animation: typewriter 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: currentColor; }
}

/* Bouncing Arrow Animation */
.bouncing-arrow {
    animation: bounce-arrow 2s ease-in-out infinite;
}

@keyframes bounce-arrow {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Gradient Text Animation */
.gradient-text {
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #f5576c, #4facfe);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-animation 8s ease infinite;
}

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

/* 3D Card Hover Effect */
.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.card-3d:hover {
    transform: rotateY(5deg) rotateX(5deg) translateZ(20px);
}

/* Infinite Scroll Animation */
.infinite-scroll {
    animation: infinite-scroll 20s linear infinite;
}

@keyframes infinite-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* Loading Dots Animation */
.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: loading-dots 1.5s steps(5, end) infinite;
}

@keyframes loading-dots {
    0%, 20% { color: rgba(0,0,0,0); text-shadow: .25em 0 0 rgba(0,0,0,0), .5em 0 0 rgba(0,0,0,0); }
    40% { color: currentColor; text-shadow: .25em 0 0 rgba(0,0,0,0), .5em 0 0 rgba(0,0,0,0); }
    60% { text-shadow: .25em 0 0 currentColor, .5em 0 0 rgba(0,0,0,0); }
    80%, 100% { text-shadow: .25em 0 0 currentColor, .5em 0 0 currentColor; }
}

/* Morphing Border Animation */
.morphing-border {
    position: relative;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 10px;
    padding: 2px;
}

.morphing-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 400% 400%;
    border-radius: 12px;
    z-index: -1;
    animation: morphing-border-gradient 4s ease infinite;
}

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

/* Text Reveal Animation */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.6s ease;
}

.text-reveal.animate span {
    transform: translateY(0);
}

/* Stagger Children Animation */
.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    animation: stagger-fade-in 0.6s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }

@keyframes stagger-fade-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Complex Keyframe Animations */
@keyframes complex-bounce {
    0% { transform: translateY(0) scale(1); }
    10% { transform: translateY(-20px) scale(1.1); }
    20% { transform: translateY(-10px) scale(1.05); }
    30% { transform: translateY(-5px) scale(1.02); }
    40% { transform: translateY(0) scale(1); }
    100% { transform: translateY(0) scale(1); }
}

@keyframes slide-up-fade {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes rotate-in {
    0% {
        opacity: 0;
        transform: rotate(-180deg) scale(0.5);
    }
    100% {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

@keyframes elastic-scale {
    0% { transform: scale(0); }
    55% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* Complex Animation Classes */
.animate-complex-bounce {
    animation: complex-bounce 1s ease-in-out;
}

.animate-slide-up-fade {
    animation: slide-up-fade 0.8s ease-out;
}

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

.animate-elastic-scale {
    animation: elastic-scale 0.8s ease-out;
}

/* Interactive Hover Animations */
.interactive-scale {
    transition: transform 0.3s ease;
}

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

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

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

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

.interactive-glow:hover {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

/* Background Pattern Animations */
.animated-pattern {
    background-image:
        radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    background-size: 200% 200%;
    animation: pattern-shift 10s ease infinite;
}

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

/* Advanced Loading Spinner */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.advanced-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(102, 126, 234, 0.1);
    border-left: 4px solid #667eea;
    border-radius: 50%;
    animation: advanced-spin 1s linear infinite;
}

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

/* Morphing Blob Animation */
.blob {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: blob-morph 7s ease-in-out infinite;
}

@keyframes blob-morph {
    0%, 100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
        transform: rotate(0deg) scale(1);
    }
    25% {
        border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
        transform: rotate(90deg) scale(1.1);
    }
    50% {
        border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
        transform: rotate(180deg) scale(0.9);
    }
    75% {
        border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
        transform: rotate(270deg) scale(1.1);
    }
}

/* Responsive Animation Adjustments */
@media (max-width: 768px) {
    .animate-complex-bounce {
        animation-duration: 0.8s;
    }

    .stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
    .stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
    .stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
    .stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
    .stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
}

/* Performance Optimizations */
.animate-on-hover {
    will-change: transform;
}

.animate-on-scroll {
    will-change: transform, opacity;
}

/* Accessibility Considerations */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}