/* 
 * Advanced Animation System & Interactive Components
 * Smooth animations, micro-interactions, and enhanced visual effects
 */

/* Advanced Keyframe Animations */
@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 scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-10px);
    }
    70% {
        transform: translateY(-5px);
    }
    90% {
        transform: translateY(-2px);
    }
}

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

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

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary);
    }
    50% {
        box-shadow: 0 0 20px var(--primary), 0 0 30px var(--primary);
    }
}

/* Animation Classes */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

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

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

.scale-in {
    animation: scaleIn 0.5s ease-out;
}

.slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

.bounce-in {
    animation: bounce 1s ease;
}

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

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

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

/* Enhanced Card Animations */
.card-hover-lift {
    transition: var(--transition);
}

.card-hover-lift:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.card-hover-grow {
    transition: var(--transition);
    overflow: hidden;
}

.card-hover-grow:hover {
    transform: scale(1.03);
}

.card-hover-glow:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

/* Button Animations */
.btn-animated {
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

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

.btn-bounce:hover {
    animation: bounce 0.6s ease;
}

.btn-pulse:hover {
    animation: pulse 0.6s ease;
}

.btn-wobble:hover {
    animation: wobble 0.6s ease;
}

@keyframes wobble {
    0% { transform: translateX(0%); }
    15% { transform: translateX(-25px) rotate(-5deg); }
    30% { transform: translateX(20px) rotate(3deg); }
    45% { transform: translateX(-15px) rotate(-3deg); }
    60% { transform: translateX(10px) rotate(2deg); }
    75% { transform: translateX(-5px) rotate(-1deg); }
    100% { transform: translateX(0%); }
}

/* Loading Animations */
.spinner-modern {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

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

.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary);
    animation: loading-dot 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loading-dot {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Text Animations */
.text-reveal {
    overflow: hidden;
    position: relative;
}

.text-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    animation: reveal 1.5s ease-in-out;
}

@keyframes reveal {
    0% {
        width: 100%;
    }
    100% {
        width: 0%;
    }
}

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

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

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--primary);
    }
}

/* Image Animations */
.image-zoom {
    overflow: hidden;
    border-radius: var(--border-radius);
}

.image-zoom img {
    transition: transform 0.5s ease;
}

.image-zoom:hover img {
    transform: scale(1.1);
}

.image-parallax {
    overflow: hidden;
    position: relative;
}

.image-parallax img {
    transition: transform 0.3s ease;
}

.image-parallax:hover img {
    transform: scale(1.05) translateY(-5px);
}

/* Navigation Animations */
.nav-slide-down {
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.nav-slide-down.visible {
    transform: translateY(0);
}

.nav-fade-in {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-fade-in.visible {
    opacity: 1;
}

/* Dropdown Animations */
.dropdown-slide {
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dropdown-slide.show {
    opacity: 1;
    transform: translateY(0);
}

/* Social Media Button Animations */
.social-btn {
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

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

.social-btn:hover::before {
    width: 300px;
    height: 300px;
}

.social-btn:hover {
    transform: translateY(-3px);
}

/* Form Animations */
.form-floating-label {
    position: relative;
}

.form-floating-label input,
.form-floating-label textarea {
    border: none;
    border-bottom: 2px solid var(--border-color);
    background: transparent;
    padding: 10px 0;
    transition: border-color 0.3s ease;
}

.form-floating-label input:focus,
.form-floating-label textarea:focus {
    outline: none;
    border-bottom-color: var(--primary);
}

.form-floating-label label {
    position: absolute;
    top: 10px;
    left: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    color: var(--text-muted);
}

.form-floating-label input:focus + label,
.form-floating-label input:not(:placeholder-shown) + label,
.form-floating-label textarea:focus + label,
.form-floating-label textarea:not(:placeholder-shown) + label {
    top: -15px;
    font-size: 0.8rem;
    color: var(--primary);
}

/* Scroll Animations */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--bg-secondary);
    z-index: 9999;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.1s ease;
}

/* Enhanced Theme Toggle Animations */
.theme-toggle-enhanced {
    position: relative;
    overflow: hidden;
}

.theme-toggle-enhanced::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--primary), transparent);
    animation: rotate 2s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.theme-toggle-enhanced:hover::before {
    opacity: 0.1;
}

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

/* Intersection Observer Enhanced Animations */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left-on-scroll {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left-on-scroll.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right-on-scroll {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-right-on-scroll.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in-on-scroll {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-in-on-scroll.visible {
    opacity: 1;
    transform: scale(1);
}

/* Staggered Animation Delays */
.animate-stagger > *:nth-child(1) { animation-delay: 0.1s; }
.animate-stagger > *:nth-child(2) { animation-delay: 0.2s; }
.animate-stagger > *:nth-child(3) { animation-delay: 0.3s; }
.animate-stagger > *:nth-child(4) { animation-delay: 0.4s; }
.animate-stagger > *:nth-child(5) { animation-delay: 0.5s; }
.animate-stagger > *:nth-child(6) { animation-delay: 0.6s; }

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

.will-change-opacity {
    will-change: opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Reduced Motion Respect */
@media (prefers-reduced-motion: reduce) {
    .fade-in-up,
    .fade-in-down,
    .fade-in-left,
    .fade-in-right,
    .scale-in,
    .slide-in-up,
    .bounce-in,
    .pulse-animation,
    .floating-animation,
    .glow-animation,
    .spinner-modern,
    .loading-dots span,
    .typewriter {
        animation: none !important;
    }
    
    .card-hover-lift:hover,
    .card-hover-grow:hover,
    .btn-animated:hover,
    .image-zoom:hover img,
    .image-parallax:hover img {
        transform: none !important;
    }
    
    * {
        transition-duration: 0.01ms !important;
    }
}