/* Keyframe Animations */
@keyframes logoPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    }
}

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

@keyframes letterAppear {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes subtitleAppear {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes percentageCount {
    0% {
        content: "0%";
    }
    25% {
        content: "25%";
    }
    50% {
        content: "50%";
    }
    75% {
        content: "75%";
    }
    100% {
        content: "100%";
    }
}

@keyframes dotPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.3);
        opacity: 1;
    }
}

@keyframes statusFade {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

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

@keyframes loadingLetters {
    0%, 80%, 100% {
        opacity: 0;
        transform: translateY(10px);
    }
    40% {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    0% {
        opacity: 0;
        transform: translateY(50px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    0% {
        opacity: 0;
        transform: translateY(-50px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInWord {
    0% {
        opacity: 0;
        transform: translateY(100%);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) rotate(120deg);
    }
    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -20px, 0);
    }
    70% {
        transform: translate3d(0, -10px, 0);
    }
    90% {
        transform: translate3d(0, -4px, 0);
    }
}

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.6), 0 0 30px rgba(0, 212, 255, 0.4);
    }
}

@keyframes rotateIn {
    0% {
        opacity: 0;
        transform: rotate(-200deg);
    }
    100% {
        opacity: 1;
        transform: rotate(0);
    }
}

@keyframes zoomIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: scale(1);
    }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes flipInX {
    0% {
        opacity: 0;
        transform: perspective(400px) rotateX(90deg);
    }
    40% {
        transform: perspective(400px) rotateX(-20deg);
    }
    60% {
        transform: perspective(400px) rotateX(10deg);
    }
    80% {
        transform: perspective(400px) rotateX(-5deg);
    }
    100% {
        opacity: 1;
        transform: perspective(400px) rotateX(0deg);
    }
}

@keyframes slideInScale {
    0% {
        opacity: 0;
        transform: translateX(-100%) scale(0.5);
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

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

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

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

@keyframes morphing {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    25% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
    50% {
        border-radius: 50% 60% 30% 60% / 30% 60% 70% 40%;
    }
    75% {
        border-radius: 60% 40% 60% 40% / 70% 30% 60% 40%;
    }
}

/* Utility Animation Classes */
.animate-slideInLeft {
    animation: slideInLeft 0.8s ease forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.8s ease forwards;
}

.animate-slideInUp {
    animation: slideInUp 0.8s ease forwards;
}

.animate-slideInDown {
    animation: slideInDown 0.8s ease forwards;
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease forwards;
}

.animate-zoomIn {
    animation: zoomIn 0.6s ease forwards;
}

.animate-rotateIn {
    animation: rotateIn 0.8s ease forwards;
}

.animate-flipInX {
    animation: flipInX 0.8s ease forwards;
}

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

.animate-bounce {
    animation: bounce 1s ease infinite;
}

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

/* 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, 0.15);
}

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

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

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

.hover-tilt:hover {
    transform: perspective(1000px) rotateX(10deg) rotateY(10deg);
}

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

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

/* Scroll Triggered Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.scroll-reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.scroll-reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

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

.btn-animate::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

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

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

.text-reveal span {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    animation: slideInWord 0.6s ease forwards;
}

.text-reveal span:nth-child(1) { animation-delay: 0.1s; }
.text-reveal span:nth-child(2) { animation-delay: 0.2s; }
.text-reveal span:nth-child(3) { animation-delay: 0.3s; }
.text-reveal span:nth-child(4) { animation-delay: 0.4s; }
.text-reveal span:nth-child(5) { animation-delay: 0.5s; }

/* Particle Effect */
.particles {
    position: relative;
    overflow: hidden;
}

.particles::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255, 215, 0, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(255, 215, 0, 0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particles 20s linear infinite;
    opacity: 0.6;
}

@keyframes particles {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-100px);
    }
}

/* Morphing Shapes */
.morphing-shape {
    animation: morphing 8s ease-in-out infinite;
}

/* Gradient Animation */
.gradient-animation {
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 400% 400%;
    animation: gradientShift 4s ease infinite;
}

/* Counter Animation */
.counter {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.counter.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Typing Effect */
.typing-effect {
    overflow: hidden;
    border-right: 3px solid var(--blue-tech);
    white-space: nowrap;
    animation: typewriter 4s steps(40) 1s forwards, blink 0.75s step-end infinite;
}

/* Progress Bar Animation */
.progress-animate {
    position: relative;
    overflow: hidden;
}

.progress-animate::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--gradient-primary);
    transition: width 2s ease;
}

.progress-animate.animate::after {
    width: 100%;
}

/* Stagger Animation */
.stagger-animation > * {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

.stagger-animation.animate > * {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced Profile Card Animations */
@keyframes profileCardGlow {
    0%, 100% {
        box-shadow: var(--shadow-heavy);
    }
    50% {
        box-shadow: 0 25px 50px rgba(79, 70, 229, 0.3), 0 0 0 1px rgba(79, 70, 229, 0.1);
    }
}

@keyframes infoItemPulse {
    0% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(5px) translateY(-2px);
    }
    100% {
        transform: translateX(10px) translateY(-2px);
    }
}

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

@keyframes borderGlow {
    0%, 100% {
        border-color: rgba(79, 70, 229, 0.1);
    }
    50% {
        border-color: rgba(79, 70, 229, 0.3);
    }
}

/* Apply new animations to profile card */
.profile-card {
    animation: profileCardGlow 4s ease-in-out infinite;
}

.profile-card:hover {
    animation: none;
    transform: translateY(-5px);
}

.profile-photo {
    animation: avatarFloat 3s ease-in-out infinite;
}

.profile-card:hover .profile-photo {
    animation: none;
}

.info-item:hover {
    animation: infoItemPulse 0.6s ease-in-out forwards;
}

.profile-card:hover {
    animation: borderGlow 2s ease-in-out infinite;
}

/* Enhanced floating shapes */
@keyframes floatEnhanced {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.2;
    }
}

.shape {
    animation: floatEnhanced 20s ease-in-out infinite;
}

.shape-1 {
    animation-delay: 0s;
    filter: blur(1px);
}

.shape-2 {
    animation-delay: 5s;
    filter: blur(0.5px);
}

.shape-3 {
    animation-delay: 10s;
    filter: blur(1.5px);
}

.shape-4 {
    animation-delay: 15s;
    filter: blur(0.8px);
}

/* Enhanced button hover effects */
.btn-primary:hover {
    background: var(--gradient-emerald);
    transform: translateY(-3px) scale(1.02);
}

.btn-secondary:hover {
    background: var(--gradient-indigo);
    border-color: transparent;
    color: white;
    transform: translateY(-3px) scale(1.02);
}

.btn-tertiary:hover {
    background: var(--gradient-gold);
    border-color: transparent;
    color: white;
    transform: translateY(-3px) scale(1.02);
}

/* Enhanced section transitions */
.section-title {
    position: relative;
    overflow: hidden;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--gradient-emerald);
    transition: left 0.8s ease;
}

.section-title:hover::after {
    left: 0;
}

/* Enhanced skill visualization */
.skill-orbit {
    transition: all 0.3s ease;
}

.skill-orbit:hover {
    border-color: var(--emerald-accent);
    opacity: 0.6;
}

.skill-planet:hover {
    transform: scale(1.2) translateX(-50%);
    background: var(--gradient-gold);
}

/* Enhanced timeline */
.timeline-item::before {
    transition: all 0.3s ease;
}

.timeline-item:hover::before {
    background: var(--emerald-accent);
    transform: scale(1.2);
    box-shadow: 0 0 0 6px white, 0 0 0 8px var(--emerald-accent);
}

/* Enhanced stats */
.stat-item {
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.1), transparent);
    transition: left 0.6s ease;
}

.stat-item:hover::before {
    left: 100%;
}

/* Enhanced contact form */
.form-input:focus {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.2);
}

/* Enhanced project cards */
.project-item {
    position: relative;
    overflow: hidden;
}

.project-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.1), transparent);
    transition: left 0.6s ease;
}

.project-item:hover::before {
    left: 100%;
}

/* Enhanced service cards */
.service-item::before {
    transition: all 0.3s ease;
}

.service-item:hover::before {
    height: 8px;
    background: var(--gradient-emerald);
}

/* Enhanced language cards */
.language-item {
    position: relative;
    overflow: hidden;
}

.language-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.6s ease;
}

.language-item:hover::after {
    left: 100%;
}

/* Enhanced testimonials */
.testimonial-item {
    position: relative;
    overflow: hidden;
}

.testimonial-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.1), transparent);
    transition: left 0.6s ease;
}

.testimonial-item:hover::before {
    left: 100%;
}

/* Enhanced download section */
.download-card {
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.1), transparent);
    transition: left 0.6s ease;
}

.download-card:hover::before {
    left: 100%;
}

/* Enhanced navigation */
.nav-link::after {
    background: var(--gradient-emerald);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
    background: var(--gradient-emerald);
}

/* Enhanced logo */
.logo-text {
    background: var(--gradient-emerald);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced scroll indicator */
.scroll-mouse {
    border-color: var(--emerald-accent);
}

.scroll-wheel {
    background: var(--emerald-accent);
}

.scroll-text {
    color: var(--emerald-accent);
}

/* Enhanced loading screen */
.loading-bar {
    background: var(--gradient-emerald);
}

/* Enhanced language toggle */
.lang-btn.active {
    background: var(--gradient-emerald);
}

/* Enhanced social links */
.social-link {
    background: var(--gradient-emerald);
}

.social-link:hover {
    background: var(--gradient-gold);
}

/* Enhanced education icons */
.education-icon {
    background: var(--gradient-emerald);
}

.education-item:hover .education-icon {
    background: var(--gradient-gold);
}

/* Enhanced contact icons */
.contact-icon {
    background: var(--gradient-emerald);
}

.contact-item:hover .contact-icon {
    background: var(--gradient-gold);
}

/* Enhanced service icons */
.service-icon {
    background: var(--gradient-emerald);
}

.service-item:hover .service-icon {
    background: var(--gradient-gold);
}

/* Enhanced project overlay */
.project-overlay {
    background: rgba(0, 0, 0, 0.9);
}

/* Enhanced tech stack tags */
.tech-tag {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* Enhanced form labels */
.form-label {
    color: var(--light-gray);
}

.form-input:focus + .form-label {
    color: var(--emerald-accent);
    font-weight: 600;
}

/* Enhanced section lines */
.section-line {
    background: var(--gradient-emerald);
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

/* Enhanced floating elements */
.floating-shapes {
    pointer-events: none;
}

.shape {
    pointer-events: none;
}

/* Enhanced hover states for all interactive elements */
*[class*="btn"]:hover,
*[class*="link"]:hover,
*[class*="item"]:hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced focus states */
*:focus {
    outline: 2px solid var(--emerald-accent);
    outline-offset: 2px;
}

/* Enhanced selection */
::selection {
    background: var(--emerald-accent);
    color: white;
}

::-moz-selection {
    background: var(--emerald-accent);
    color: white;
}
