* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary-green: #00ff9d;
            --primary-blue: #00b8ff;
            --primary-pink: #ff00e5;
            --primary-purple: #7000ff;
            --bg-dark: #0a0e27;
            --text-white: #ffffff;
            --text-gray: rgba(255, 255, 255, 0.7);
            --border-color: rgba(0, 255, 157, 0.2);
            --card-bg: rgba(255, 255, 255, 0.03);
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Space Grotesk', sans-serif;
            background: var(--bg-dark);
            color: var(--text-white);
            overflow-x: hidden;
            line-height: 1.6;
        }
        
        /* Optimized Background */
        .grid-background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 255, 157, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 255, 157, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: 0;
            animation: gridMove 20s linear infinite;
            will-change: transform;
        }
        
        @keyframes gridMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        }
        
        .orb {
            position: fixed;
            border-radius: 50%;
            filter: blur(60px);
            opacity: 0.4;
            animation: float 8s ease-in-out infinite;
            z-index: 0;
            will-change: transform;
        }
        
        .orb-1 {
            width: 400px;
            height: 400px;
            background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
            top: 10%;
            left: -10%;
        }
        
        .orb-2 {
            width: 300px;
            height: 300px;
            background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple));
            bottom: 20%;
            right: -5%;
            animation-delay: -4s;
        }
        
        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(30px, -30px) scale(1.1); }
        }
        
        /* Optimized Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 20px 60px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            background: rgba(10, 14, 39, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            transition: padding 0.3s ease;
        }
        
        nav.scrolled {
            padding: 15px 60px;
        }
        
        .logo {
            font-family: 'JetBrains Mono', monospace;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-green);
            text-shadow: 0 0 20px rgba(0, 255, 157, 0.5);
        }
        
        .nav-links {
            display: flex;
            gap: 30px;
            list-style: none;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--text-white);
            font-weight: 500;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: color 0.3s ease;
            position: relative;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary-green);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-green);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        
        /* Mobile Menu */
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background: var(--primary-green);
            transition: all 0.3s ease;
        }
        
        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 1;
            padding: 100px 60px 60px;
        }
        
        .hero-container {
            display: flex;
            align-items: center;
            gap: 60px;
            max-width: 1400px;
            width: 100%;
        }
        
        .hero-content {
            flex: 1;
        }
        
        .hero-tag {
            font-family: 'JetBrains Mono', monospace;
            color: var(--primary-green);
            font-size: 16px;
            margin-bottom: 20px;
            opacity: 0;
            animation: fadeInUp 0.8s ease 0.2s forwards;
        }
        
        .hero-content h1 {
            font-size: clamp(36px, 5vw, 72px);
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--text-white), var(--primary-green));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            opacity: 0;
            animation: fadeInUp 0.8s ease 0.4s forwards;
        }
        
        .hero-content .subtitle {
            font-size: clamp(18px, 2vw, 24px);
            color: var(--primary-blue);
            margin-bottom: 10px;
            opacity: 0;
            animation: fadeInUp 0.8s ease 0.6s forwards;
        }
        
        .hero-content .bio {
            font-size: 18px;
            color: var(--text-gray);
            line-height: 1.6;
            margin: 30px 0 40px;
            max-width: 600px;
            font-style: italic;
            border-left: 3px solid var(--primary-green);
            padding-left: 20px;
            opacity: 0;
            animation: fadeInUp 0.8s ease 0.8s forwards;
        }
        
        .cta-buttons {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            opacity: 0;
            animation: fadeInUp 0.8s ease 1s forwards;
        }
        
        .btn-primary,
        .btn-secondary {
            padding: 16px 35px;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 14px;
            display: inline-block;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
            color: var(--bg-dark);
            border: none;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(0, 255, 157, 0.4);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--text-white);
            border: 2px solid var(--primary-green);
        }
        
        .btn-secondary:hover {
            background: rgba(0, 255, 157, 0.1);
            transform: translateY(-3px);
        }
        
        .hero-visual {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .tech-circle {
            position: relative;
            width: 400px;
            height: 400px;
            border: 2px solid rgba(0, 255, 157, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: rotate 20s linear infinite;
        }
        
        .tech-icon {
            position: absolute;
            width: 60px;
            height: 60px;
            background: var(--card-bg);
            border: 2px solid var(--primary-green);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            animation: floatIcon 3s ease-in-out infinite;
        }
        
        .tech-icon:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); }
        .tech-icon:nth-child(2) { top: 50%; right: 0; transform: translateY(-50%); animation-delay: -1s; }
        .tech-icon:nth-child(3) { bottom: 0; left: 50%; transform: translateX(-50%); animation-delay: -2s; }
        .tech-icon:nth-child(4) { top: 50%; left: 0; transform: translateY(-50%); animation-delay: -1.5s; }
        
        .center-badge {
            font-size: 120px;
            filter: drop-shadow(0 0 30px rgba(0, 255, 157, 0.5));
        }
        
        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        @keyframes floatIcon {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
            from {
                opacity: 0;
                transform: translateY(30px);
            }
        }
        
        /* Section Styling */
        section {
            min-height: 100vh;
            padding: 100px 60px;
            position: relative;
            z-index: 1;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 80px;
        }
        
        .section-tag {
            font-family: 'JetBrains Mono', monospace;
            color: var(--primary-green);
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 15px;
        }
        
        .section-title {
            font-size: clamp(36px, 5vw, 56px);
            font-weight: 700;
            background: linear-gradient(135deg, var(--text-white), var(--primary-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        /* Skills Section */
        .skills-container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .skills-category {
            margin-bottom: 60px;
        }
        
        .category-title {
            font-size: 28px;
            color: var(--primary-green);
            margin-bottom: 30px;
            font-family: 'JetBrains Mono', monospace;
        }
        
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
        }
        
        .skill-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        
        .skill-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 255, 157, 0.1), transparent);
            transition: left 0.5s ease;
        }
        
        .skill-card:hover::before {
            left: 100%;
        }
        
        .skill-card:hover {
            border-color: var(--primary-green);
            transform: translateY(-5px);
            box-shadow: 0 10px 40px rgba(0, 255, 157, 0.2);
        }
        
        .skill-header {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .skill-icon {
            font-size: 36px;
            flex-shrink: 0;
        }
        
        .skill-name {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-white);
        }
        
        .skill-level {
            font-size: 14px;
            color: var(--primary-blue);
            font-family: 'JetBrains Mono', monospace;
            margin-top: 5px;
        }
        
        /* Experience Section */
        #experience {
            background: rgba(0, 255, 157, 0.02);
        }
        
        .timeline {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary-green), var(--primary-blue));
            transform: translateX(-50%);
        }
        
        .timeline-item {
            margin-bottom: 60px;
            position: relative;
            width: 100%;
        }
        
        .timeline-content {
            width: calc(50% - 40px);
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 35px;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .timeline-item:nth-child(odd) .timeline-content {
            margin-left: auto;
        }
        
        .timeline-content:hover {
            border-color: var(--primary-green);
            box-shadow: 0 10px 40px rgba(0, 255, 157, 0.2);
            transform: scale(1.02);
        }
        
        .timeline-dot {
            position: absolute;
            left: 50%;
            top: 30px;
            width: 20px;
            height: 20px;
            background: var(--primary-green);
            border: 4px solid var(--bg-dark);
            border-radius: 50%;
            transform: translateX(-50%);
            box-shadow: 0 0 20px rgba(0, 255, 157, 0.8);
            z-index: 10;
        }
        
        .experience-year {
            font-family: 'JetBrains Mono', monospace;
            color: var(--primary-green);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .experience-role {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        
        .experience-company {
            font-size: 18px;
            color: var(--primary-blue);
            margin-bottom: 20px;
        }
        
        .experience-tasks {
            list-style: none;
            padding: 0;
        }
        
        .experience-tasks li {
            padding-left: 25px;
            margin-bottom: 10px;
            position: relative;
            color: var(--text-gray);
            line-height: 1.6;
        }
        
        .experience-tasks li::before {
            content: '▹';
            position: absolute;
            left: 0;
            color: var(--primary-green);
            font-size: 18px;
        }
        
        /* Article Section */
        .article-container {
            max-width: 900px;
            margin: 0 auto;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 12px;
            line-height: 1.8;
            color: var(--text-gray);
        }
        
        .article-container h3 {
            color: var(--primary-green);
            margin-top: 30px;
            margin-bottom: 15px;
        }
        
        .article-container p {
            margin-bottom: 15px;
        }
        
        /* Contact Section */
        .contact-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        
        .contact-intro {
            font-size: 20px;
            color: var(--text-gray);
            margin-bottom: 50px;
            line-height: 1.8;
        }
        
        .contact-methods {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 25px;
            margin-bottom: 50px;
        }
        
        .contact-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px 20px;
            transition: all 0.3s ease;
            text-decoration: none;
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }
        
        .contact-card:hover {
            border-color: var(--primary-green);
            transform: translateY(-5px);
            box-shadow: 0 10px 40px rgba(0, 255, 157, 0.2);
        }
        
        .contact-icon {
            font-size: 40px;
        }
        
        .contact-label {
            font-family: 'JetBrains Mono', monospace;
            font-size: 12px;
            color: var(--primary-green);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .contact-value {
            font-size: 16px;
            word-break: break-word;
        }
        
        /* Footer */
        footer {
            background: rgba(0, 0, 0, 0.5);
            padding: 40px 60px;
            text-align: center;
            position: relative;
            z-index: 1;
            border-top: 1px solid var(--border-color);
        }
        
        .footer-content {
            font-family: 'JetBrains Mono', monospace;
            color: var(--text-gray);
            font-size: 14px;
        }
        
        .footer-heart {
            color: var(--primary-pink);
            animation: heartbeat 1.5s ease infinite;
        }
        
        @keyframes heartbeat {
            0%, 100% { transform: scale(1); }
            25% { transform: scale(1.2); }
        }
        
        /* Scroll to Top Button */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 999;
            box-shadow: 0 5px 20px rgba(0, 255, 157, 0.3);
        }
        
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }
        
        .scroll-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 255, 157, 0.5);
        }
        
        .scroll-top::before {
            content: '↑';
            font-size: 24px;
            color: var(--bg-dark);
            font-weight: bold;
        }
        
        /* Responsive Design */
        @media (max-width: 1024px) {
            .hero-container {
                flex-direction: column;
                text-align: center;
                gap: 40px;
            }
            
            .hero-content .bio {
                margin: 30px auto 40px;
            }
            
            .cta-buttons {
                justify-content: center;
            }
            
            .tech-circle {
                width: 300px;
                height: 300px;
            }
            
            .timeline::before {
                left: 30px;
            }
            
            .timeline-content {
                width: calc(100% - 80px);
                margin-left: 60px !important;
            }
            
            .timeline-dot {
                left: 30px;
            }
        }
        
        @media (max-width: 768px) {
            nav {
                padding: 20px 30px;
            }
            
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: rgba(10, 14, 39, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 40px;
                transition: left 0.3s ease;
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links a {
                font-size: 18px;
            }
            
            .menu-toggle {
                display: flex;
            }
            
            .menu-toggle.active span:nth-child(1) {
                transform: rotate(45deg) translate(8px, 8px);
            }
            
            .menu-toggle.active span:nth-child(2) {
                opacity: 0;
            }
            
            .menu-toggle.active span:nth-child(3) {
                transform: rotate(-45deg) translate(8px, -8px);
            }
            
            .hero,
            section {
                padding: 80px 30px;
            }
            
            .tech-circle {
                width: 250px;
                height: 250px;
            }
            
            .tech-icon {
                width: 50px;
                height: 50px;
                font-size: 24px;
            }
            
            .center-badge {
                font-size: 80px;
            }
            
            .skills-grid {
                grid-template-columns: 1fr;
            }
            
            .article-container {
                padding: 30px 20px;
            }
            
            .scroll-top {
                bottom: 20px;
                right: 20px;
                width: 45px;
                height: 45px;
            }
        }
        
        /* Performance Optimizations */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }
        
        /* Loading Animation */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }