/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Variables */
    --primary-gradient: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    --neon-cyan: #00FFF7;
    --neon-magenta: #FF00FF;
    --neon-blue: #00E0FF;
    --neon-purple: #8A2BE2;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    --dark-bg: #0e0e10;
    --dark-card: #1e1e2f;
    --dark-lighter: #2a2a3e;
    
    /* Animation Variables */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 0 2rem;
}

/* Light Theme */
[data-theme="light"] {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --dark-bg: #ffffff;
    --dark-card: #f8f9fa;
    --dark-lighter: #e9ecef;
    --glass-bg: rgba(0, 0, 0, 0.05);
    --glass-border: rgba(0, 0, 0, 0.1);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    cursor: none;
    line-height: 1.6;
}

/* Custom Cursor */
.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: 8px;
    height: 8px;
    background: var(--neon-cyan);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(14, 14, 16, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--container-padding);
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--neon-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-primary);
}

.theme-toggle:hover {
    background: var(--glass-border);
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 255, 247, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* Scroll Indicator */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta), var(--neon-blue));
    z-index: 1001;
    transition: width var(--transition-normal);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--primary-gradient);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.nebula-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 255, 247, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 224, 255, 0.1) 0%, transparent 50%);
    animation: nebula 20s ease-in-out infinite alternate;
}

@keyframes nebula {
    0% { opacity: 0.3; transform: scale(1) rotate(0deg); }
    100% { opacity: 0.6; transform: scale(1.1) rotate(5deg); }
}

.particles-container {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    animation: float 15s infinite ease-in-out;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    background: radial-gradient(circle, rgba(0, 255, 247, 0.1), transparent);
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: -5s;
    background: radial-gradient(circle, rgba(255, 0, 255, 0.1), transparent);
}

.shape-3 {
    width: 80px;
    height: 80px;
    bottom: 30%;
    left: 20%;
    animation-delay: -10s;
    background: radial-gradient(circle, rgba(0, 224, 255, 0.1), transparent);
}

.shape-4 {
    width: 120px;
    height: 120px;
    top: 10%;
    right: 30%;
    animation-delay: -7s;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.1), transparent);
}

.shape-5 {
    width: 90px;
    height: 90px;
    bottom: 20%;
    right: 40%;
    animation-delay: -12s;
    background: radial-gradient(circle, rgba(0, 255, 247, 0.1), transparent);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(20px) rotate(240deg); }
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    width: 100%;
    padding: var(--container-padding);
    z-index: 2;
    position: relative;
    gap: 3rem;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.5s;
}

.greeting {
    display: block;
    font-size: 0.5em;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.name {
    display: block;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 255, 247, 0.3);
    position: relative;
}

.name::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(10px);
    opacity: 0.5;
    z-index: -1;
}

.rocket {
    display: inline-block;
    animation: bounce 2s infinite;
    margin-left: 0.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-15px) rotate(-10deg); }
    60% { transform: translateY(-8px) rotate(5deg); }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 400;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1s;
}

.typing-text {
    display: inline-block;
}

.cursor-blink {
    display: inline-block;
    animation: blink 1s infinite;
    color: var(--neon-cyan);
    font-weight: 300;
}

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

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1.5s;
}

.btn {
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    font-family: inherit;
}

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

.btn-primary {
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    color: white;
    box-shadow: 0 10px 30px rgba(0, 255, 247, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 255, 247, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 2px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

.btn-secondary:hover {
    background: var(--glass-border);
    transform: translateY(-3px);
    border-color: var(--neon-cyan);
    box-shadow: 0 10px 30px rgba(0, 255, 247, 0.2);
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 2s;
}

.badge {
    padding: 0.6rem 1.2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.badge:hover {
    transform: translateY(-3px);
    color: white;
}

.badge:hover::before {
    opacity: 1;
}

.badge span {
    position: relative;
    z-index: 1;
}

.hero-avatar {
    flex: 0 0 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    animation: fadeInRight 1s ease forwards 1.2s;
}

.avatar-container {
    position: relative;
    width: 350px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-glow {
    position: absolute;
    top: -30px;
    left: -30px;
    right: -30px;
    bottom: -30px;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta), var(--neon-blue));
    border-radius: 50%;
    filter: blur(30px);
    opacity: 0.6;
    animation: pulse 3s infinite;
}

.avatar-rings {
    position: absolute;
    width: 100%;
    height: 100%;
}

.ring {
    position: absolute;
    border: 2px solid;
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.ring-1 {
    width: 100%;
    height: 100%;
    border-color: var(--neon-cyan);
    opacity: 0.3;
    animation-duration: 20s;
}

.ring-2 {
    width: 120%;
    height: 120%;
    top: -10%;
    left: -10%;
    border-color: var(--neon-magenta);
    opacity: 0.2;
    animation-duration: 30s;
    animation-direction: reverse;
}

.ring-3 {
    width: 140%;
    height: 140%;
    top: -20%;
    left: -20%;
    border-color: var(--neon-blue);
    opacity: 0.1;
    animation-duration: 40s;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.avatar-img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 3px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--neon-cyan);
    position: relative;
    z-index: 2;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    z-index: 2;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 2.5s;
}

.scroll-mouse {
    width: 28px;
    height: 45px;
    border: 2px solid var(--text-secondary);
    border-radius: 14px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 10px;
    background: var(--text-secondary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

@keyframes scroll-wheel {
    0% { top: 8px; opacity: 1; }
    100% { top: 28px; opacity: 0; }
}

.floating-code {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.code-snippet {
    position: absolute;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--neon-cyan);
    opacity: 0.4;
    animation: float-code 8s infinite ease-in-out;
    background: rgba(0, 255, 247, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    backdrop-filter: blur(10px);
}

@keyframes float-code {
    0%, 100% { transform: translateY(0px); opacity: 0.4; }
    50% { transform: translateY(-20px); opacity: 0.7; }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Sections */
section {
    padding: var(--section-padding);
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--dark-card);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 255, 247, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(255, 0, 255, 0.05) 0%, transparent 50%);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
    position: relative;
    z-index: 1;
}

.about-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 255, 247, 0.1);
}

.about-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--neon-cyan);
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--neon-cyan), var(--neon-magenta));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-left: 4rem;
    margin-bottom: 2.5rem;
}

.timeline-dot {
    position: absolute;
    left: 8px;
    top: 8px;
    width: 24px;
    height: 24px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--neon-cyan);
    border: 4px solid var(--dark-card);
}

.timeline-content h4 {
    color: var(--neon-magenta);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.timeline-content span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.about-stats {
    display: grid;
    gap: 1.5rem;
}

.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem 1.5rem;
    text-align: center;
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 255, 247, 0.2);
}

.stat-card:hover::before {
    opacity: 0.1;
}

.stat-icon {
    font-size: 2rem;
    color: var(--neon-cyan);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--neon-cyan);
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.stat-card p {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* Skills Section */
.skills {
    background: var(--dark-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.skill-category {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 255, 247, 0.1);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.category-header i {
    font-size: 1.5rem;
    color: var(--neon-cyan);
}

.category-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.skill-info i {
    font-size: 1.5rem;
    color: var(--neon-magenta);
    width: 30px;
}

.skill-info span {
    flex: 1;
    font-weight: 500;
    font-size: 1rem;
}

.skill-progress {
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
    border-radius: 5px;
    transition: width 2s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

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

.progress-text {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
}

.tool-icons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.tool-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.tool-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: var(--neon-cyan);
    box-shadow: 0 10px 20px rgba(0, 255, 247, 0.2);
}

.tool-icon i {
    font-size: 2.5rem;
    color: var(--neon-cyan);
    transition: all var(--transition-normal);
}

.tool-icon:hover i {
    color: var(--neon-magenta);
    transform: scale(1.1);
}

.tool-icon span {
    font-weight: 500;
    color: var(--text-secondary);
}

/* Projects Section */
.projects {
    background: var(--dark-card);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 255, 247, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 255, 0.05) 0%, transparent 50%);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 500;
    backdrop-filter: blur(20px);
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 247, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    position: relative;
    z-index: 1;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
    opacity: 1;
    transform: scale(1);
}

.project-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 255, 247, 0.15);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    background: var(--dark-lighter);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--neon-cyan);
    background: linear-gradient(135deg, var(--dark-bg), var(--dark-lighter));
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 60px;
    height: 60px;
    background: var(--neon-cyan);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: 1.2rem;
}

.project-link:hover {
    background: var(--neon-magenta);
    transform: scale(1.1);
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--neon-cyan);
    font-weight: 600;
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tech span {
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--neon-magenta);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.project-tech span:hover {
    background: var(--neon-magenta);
    color: white;
    transform: translateY(-2px);
}

/* Tech Marquee */
.tech-marquee {
    background: var(--primary-gradient);
    padding: 3rem 0;
    overflow: hidden;
    position: relative;
}

.tech-marquee::before,
.tech-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
}

.tech-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--dark-bg), transparent);
}

.tech-marquee::after {
    right: 0;
    background: linear-gradient(270deg, var(--dark-bg), transparent);
}

.marquee {
    display: flex;
    animation: marquee 30s linear infinite;
}

.marquee-content {
    display: flex;
    gap: 4rem;
    align-items: center;
    min-width: 100%;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    min-width: 80px;
    transition: all var(--transition-normal);
}

.tech-item i {
    font-size: 3rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.tech-item span {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.tech-item:hover i {
    color: var(--neon-cyan);
    transform: scale(1.2);
}

.tech-item:hover span {
    color: var(--text-primary);
}

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

/* Testimonials Section */
.testimonials {
    background: var(--dark-bg);
    padding: 6rem 0;
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto 3rem;
    height: 300px;
}

.testimonial-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.5s ease;
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
}

.testimonial-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    backdrop-filter: blur(20px);
    text-align: center;
    position: relative;
}

.quote-icon {
    font-size: 2rem;
    color: var(--neon-cyan);
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--neon-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.author-info h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.author-info span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--glass-border);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.dot.active,
.dot:hover {
    background: var(--neon-cyan);
    transform: scale(1.2);
}

/* Contact Section */
.contact {
    background: var(--dark-card);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(0, 255, 247, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(255, 0, 255, 0.05) 0%, transparent 50%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--neon-cyan);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--glass-bg);
    border-radius: 15px;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    transform: translateX(10px);
    border-color: var(--neon-cyan);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-text h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.contact-text span {
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
    backdrop-filter: blur(20px);
}

.social-link:hover {
    background: var(--neon-cyan);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 255, 247, 0.3);
}

.contact-form {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    backdrop-filter: blur(20px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem 1.2rem 1.2rem 3rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--glass-border);
    border-radius: 15px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-normal);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 247, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: all var(--transition-normal);
}

.form-group input:focus + i,
.form-group textarea:focus + i {
    color: var(--neon-cyan);
}

.form-group textarea + i {
    top: 1.5rem;
    transform: none;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    padding: 3rem 0;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-left p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.download-cv {
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
}

.download-cv:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 255, 247, 0.4);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 255, 247, 0.4);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-avatar {
        flex: none;
    }
    
    .avatar-container {
        width: 250px;
        height: 250px;
    }
    
    .avatar-img {
        width: 200px;
        height: 200px;
        font-size: 4rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .tech-badges {
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-filter {
        flex-wrap: wrap;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .tool-icons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 3rem 0;
        --container-padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .avatar-container {
        width: 200px;
        height: 200px;
    }
    
    .avatar-img {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }
    
    .about-card,
    .contact-form {
        padding: 2rem;
    }
    
    .testimonial-content {
        padding: 2rem;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

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

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

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

/* Loading Animation */
@keyframes loading {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading {
    animation: loading 1s linear infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-magenta));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, var(--neon-magenta), var(--neon-blue));
}

/* Selection */
::selection {
    background: var(--neon-cyan);
    color: var(--dark-bg);
}

::-moz-selection {
    background: var(--neon-cyan);
    color: var(--dark-bg);
}