* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-cyan: #00ffff;
            --secondary-green: #00ff41;
            --accent-purple: #ff00ff;
            --bright-yellow: #ffff00;
            --neon-blue: #0080ff;
            --dark-bg: #000008;
            --darker-bg: #000000;
            --card-bg: #0a0a0f;
            --text-primary: #e0e0e0;
            --text-secondary: #b0b0b0;
            --border-color: #333333;
            --orange-accent: #ff6b35;
            --success-green: #28a745;
        }

        body.light-mode {
            --primary-cyan: #0066cc;
            --secondary-green: #228b22;
            --accent-purple: #8a2be2;
            --bright-yellow: #ffd700;
            --neon-blue: #4169e1;
            --dark-bg: #f5f5f5;
            --darker-bg: #ffffff;
            --card-bg: #ffffff;
            --text-primary: #333333;
            --text-secondary: #666666;
            --border-color: #cccccc;
        }

        body {
            font-family: 'JetBrains Mono', 'Share Tech Mono', monospace;
            background: var(--dark-bg);
            color: var(--text-primary);
            overflow-x: hidden;
            min-height: 100vh;
            background-image: 
                radial-gradient(circle at 25% 25%, rgba(0, 255, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(0, 255, 65, 0.05) 0%, transparent 50%);
        }

        /* Skip to main content for accessibility */
        .skip-to-main {
            position: absolute;
            top: -40px;
            left: 6px;
            background: var(--primary-cyan);
            color: var(--dark-bg);
            padding: 8px;
            text-decoration: none;
            z-index: 1000;
            border-radius: 4px;
        }
        
        .skip-to-main:focus {
            top: 6px;
        }

        /* Header */
        header {
            background: rgba(0, 0, 0, 0.95);
            border-bottom: 2px solid var(--primary-cyan);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            padding: 10px 20px;
            backdrop-filter: blur(10px);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }

        .logo {
            font-family: 'Orbitron', sans-serif;
            font-size: 24px;
            color: var(--primary-cyan);
            text-shadow: 0 0 10px var(--primary-cyan);
            font-weight: 700;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 20px;
        }

        .nav-links a {
            font-family: 'Rajdhani', sans-serif;
            color: var(--text-primary);
            text-decoration: none;
            font-size: 16px;
            font-weight: 600;
            padding: 8px 16px;
            background: linear-gradient(45deg, rgba(0, 255, 255, 0.1), rgba(0, 255, 65, 0.1));
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            border-radius: 4px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .nav-links a:hover, .nav-links a:focus {
            background: linear-gradient(45deg, rgba(0, 255, 255, 0.3), rgba(0, 255, 65, 0.3));
            border-color: var(--primary-cyan);
            box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
            transform: translateY(-2px);
            outline: none;
        }

        .theme-toggle {
            background: transparent;
            border: none;
            color: var(--primary-cyan);
            font-size: 20px;
            padding: 4px 6px;
            border-radius: 2px;
            cursor: pointer;
            transition: color 0.3s ease;
            margin-left: 10px;
            filter: drop-shadow(0 0 2px var(--primary-cyan));
        }

        .theme-toggle:hover, .theme-toggle:focus {
            color: var(--secondary-green);
            filter: drop-shadow(0 0 4px var(--secondary-green));
            outline: none;
        }

        /* Main Content */
        main {
            margin-top: 80px;
            padding: 40px 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        /* Hero Section */
        .hero {
            text-align: center;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .kanji-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
            overflow: hidden;
        }

        .kanji-background span {
            position: absolute;
            color: #ff0000;
            font-size: 24px;
            font-weight: bold;
            opacity: 0.4;
            animation: fall 5s linear infinite;
            text-shadow: 0 0 5px #ff0000;
        }

        .kanji-background span:nth-child(1) { left: 10%; animation-delay: 0s; }
        .kanji-background span:nth-child(2) { left: 20%; animation-delay: 1s; }
        .kanji-background span:nth-child(3) { left: 30%; animation-delay: 2s; }
        .kanji-background span:nth-child(4) { left: 40%; animation-delay: 3s; }
        .kanji-background span:nth-child(5) { left: 50%; animation-delay: 4s; }
        .kanji-background span:nth-child(6) { left: 60%; animation-delay: 5s; }
        .kanji-background span:nth-child(7) { left: 70%; animation-delay: 6s; }
        .kanji-background span:nth-child(8) { left: 80%; animation-delay: 7s; }
        .kanji-background span:nth-child(9) { left: 90%; animation-delay: 8s; }
        .kanji-background span:nth-child(10) { left: 15%; animation-delay: 9s; }

        @keyframes fall {
            0% {
                top: -50px;
                opacity: 0;
            }
            10% {
                opacity: 0.4;
            }
            90% {
                opacity: 0.4;
            }
            100% {
                top: 100vh;
                opacity: 0;
            }
        }

        .hero > *:not(.kanji-background) {
            position: relative;
            z-index: 2;
        }

        .ascii-art {
            font-family: 'JetBrains Mono', monospace;
            font-size: clamp(6px, 1vw, 12px);
            line-height: 1;
            white-space: pre;
            color: var(--primary-cyan);
            text-shadow: 0 0 3px var(--primary-cyan);
            opacity: 0.8;
            margin-bottom: 20px;
        }

        .tagline {
            font-family: 'Orbitron', sans-serif;
            font-size: clamp(1.2rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--bright-yellow);
            text-shadow: 0 0 15px var(--bright-yellow);
            margin: 20px 0;
            letter-spacing: 2px;
        }

        .status-line {
            font-family: 'JetBrains Mono', monospace;
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--neon-blue);
            text-shadow: 0 0 10px var(--neon-blue);
            margin: 20px 0;
        }

        .marquee {
            border: 2px solid var(--accent-purple);
            border-radius: 8px;
            padding: 15px;
            margin: 30px 0;
            overflow: hidden;
            white-space: nowrap;
            background: linear-gradient(90deg, var(--darker-bg), var(--card-bg), var(--darker-bg));
        }

        .marquee-content {
            display: inline-block;
            animation: scroll-left 30s linear infinite;
            color: var(--accent-purple);
            font-family: 'JetBrains Mono', monospace;
            text-shadow: 0 0 8px var(--accent-purple);
            font-size: 1.1rem;
            font-weight: 600;
        }

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

        /* Section Improvements */
        .section-title {
            font-family: 'Orbitron', sans-serif;
            font-size: clamp(2rem, 4vw, 3rem);
            text-align: center;
            color: var(--primary-cyan);
            margin: 60px 0 40px;
            text-shadow: 0 0 15px var(--primary-cyan);
            letter-spacing: 3px;
            font-weight: 700;
        }

        .section {
            margin: 80px 0;
        }

        /* Skills Grid */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }

        .skill-card {
            background: linear-gradient(135deg, var(--card-bg) 0%, rgba(0, 255, 255, 0.05) 100%);
            border: 2px solid var(--border-color);
            padding: 30px 25px;
            text-align: left;
            position: relative;
            overflow: hidden;
            transition: all 0.4s ease;
            border-radius: 8px;
        }

        .skill-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary-cyan), var(--secondary-green), var(--accent-purple));
            opacity: 0.8;
        }

        .skill-card:hover, .skill-card:focus-within {
            transform: translateY(-8px);
            border-color: var(--primary-cyan);
            box-shadow: 0 15px 40px rgba(0, 255, 255, 0.3);
        }

        .skill-title {
            font-family: 'Rajdhani', sans-serif;
            font-size: 24px;
            color: var(--primary-cyan);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-weight: 700;
        }

        .skill-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
        }

        .skill-list span {
            background: linear-gradient(45deg, rgba(0, 255, 255, 0.2), rgba(0, 255, 65, 0.2));
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: 4px;
            border: 1px solid var(--border-color);
            font-family: 'JetBrains Mono', monospace;
            transition: all 0.3s ease;
        }

        .skill-list span:hover {
            background: linear-gradient(45deg, rgba(0, 255, 255, 0.4), rgba(0, 255, 65, 0.4));
            border-color: var(--primary-cyan);
            transform: scale(1.05);
        }

        /* About Section Enhancement */
        .about-section {
            padding: 60px 30px;
            background: var(--card-bg);
            border: 2px solid var(--secondary-green);
            border-radius: 12px;
            margin: 60px 0;
            position: relative;
        }

        .about-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: left;
            font-size: 18px;
            line-height: 1.7;
            color: var(--text-primary);
        }

        .about-content p {
            margin-bottom: 20px;
        }

        .about-content ul {
            margin-top: 20px;
        }

        .about-content li {
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        /* Improved UX Metrics Section */
        .ux-metrics {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .metric-card {
            background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(0, 255, 65, 0.1));
            border: 2px solid var(--border-color);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .metric-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary-green);
            box-shadow: 0 10px 30px rgba(0, 255, 65, 0.2);
        }

        .metric-number {
            font-family: 'Orbitron', sans-serif;
            font-size: 3rem;
            font-weight: 900;
            color: var(--bright-yellow);
            text-shadow: 0 0 10px var(--bright-yellow);
            margin-bottom: 10px;
        }

        .metric-label {
            font-family: 'Rajdhani', sans-serif;
            font-size: 1.2rem;
            color: var(--secondary-green);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
        }

        /* Enhanced Case Studies */
        .case-studies-section {
            padding: 60px 0;
        }

        .case-study {
            margin-bottom: 60px;
            border: 2px solid var(--primary-cyan);
            border-radius: 15px;
            padding: 40px;
            background: var(--card-bg);
            transition: all 0.3s ease;
        }

        .case-study:hover {
            box-shadow: 0 20px 50px rgba(0, 255, 255, 0.1);
        }

        .case-study h3 {
            font-family: 'Orbitron', sans-serif;
            color: var(--secondary-green);
            text-shadow: 0 0 10px var(--secondary-green);
            margin-bottom: 25px;
            font-size: 1.8rem;
        }

        .case-study-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        @media (max-width: 768px) {
            .case-study-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        .case-study-text h4 {
            color: var(--primary-cyan);
            margin: 25px 0 15px 0;
            font-family: 'Rajdhani', sans-serif;
            font-size: 1.3rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .case-study-text p {
            margin-bottom: 15px;
            line-height: 1.6;
        }

        .case-study-visuals {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .case-study-visuals img {
            width: 100%;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            transition: transform 0.3s ease;
        }

        .case-study-visuals img:hover {
            transform: scale(1.03);
            border-color: var(--secondary-green);
        }

        /* Enhanced Portfolio Section */
        .portfolio-section {
            padding: 80px 20px;
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--card-bg) 50%, var(--dark-bg) 100%);
        }

        .portfolio-content {
            border: 2px solid var(--primary-cyan);
            border-radius: 15px;
            padding: 40px;
            background: var(--card-bg);
            position: relative;
        }

        .repo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 30px 0;
        }

        .repo-card {
            background: linear-gradient(135deg, rgba(0, 255, 255, 0.05), rgba(0, 255, 65, 0.05));
            border: 2px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            transition: all 0.3s ease;
        }

        .repo-card:hover {
            transform: translateY(-8px);
            border-color: var(--secondary-green);
            box-shadow: 0 15px 35px rgba(0, 255, 65, 0.2);
        }

        .repo-image {
            width: 100%;
            border-radius: 8px;
            margin-bottom: 15px;
            transition: all 0.3s ease;
        }

        .repo-card:hover .repo-image {
            filter: brightness(1.1);
        }

        /* Enhanced Contact Section */
        .contact-section {
            padding: 80px 20px;
            background: var(--card-bg);
            border: 2px solid var(--accent-purple);
            border-radius: 15px;
            margin: 60px 0;
            text-align: center;
        }

        .contact-content p {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
            color: var(--text-primary);
            margin-bottom: 30px;
            font-family: 'JetBrains Mono', monospace;
            line-height: 1.6;
        }

        .cta-button {
            display: inline-block;
            padding: 15px 35px;
            background: linear-gradient(45deg, rgba(0, 255, 255, 0.2), rgba(255, 0, 255, 0.2));
            color: var(--primary-cyan);
            text-decoration: none;
            font-family: 'Rajdhani', sans-serif;
            font-size: 18px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            border: 2px solid var(--primary-cyan);
            border-radius: 8px;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            margin: 10px;
        }

        .cta-button:hover, .cta-button:focus {
            background: linear-gradient(45deg, rgba(0, 255, 65, 0.3), rgba(0, 255, 65, 0.5));
            border-color: var(--secondary-green);
            box-shadow: 0 0 25px rgba(0, 255, 65, 0.6);
            color: var(--secondary-green);
            transform: translateY(-3px);
            outline: none;
        }

        /* Footer */
        footer {
            background: var(--darker-bg);
            border-top: 2px solid var(--primary-cyan);
            padding: 60px 20px 40px;
            text-align: center;
        }

        .footer-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .footer-title {
            font-family: 'Orbitron', sans-serif;
            font-size: 2.5rem;
            color: var(--primary-cyan);
            margin-bottom: 20px;
            text-shadow: 0 0 15px var(--primary-cyan);
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 30px;
        }

        .social-link {
            display: inline-block;
            padding: 12px 24px;
            background: linear-gradient(45deg, var(--card-bg), rgba(0, 255, 255, 0.1));
            color: var(--text-primary);
            text-decoration: none;
            font-family: 'Rajdhani', sans-serif;
            font-size: 16px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: 2px solid var(--border-color);
            border-radius: 6px;
            transition: all 0.4s ease;
        }

        .social-link:hover, .social-link:focus {
            transform: translateY(-3px);
            border-color: var(--primary-cyan);
            box-shadow: 0 10px 25px rgba(0, 255, 255, 0.4);
            background: linear-gradient(45deg, rgba(0, 255, 255, 0.2), rgba(0, 255, 65, 0.2));
            outline: none;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .header-content {
                padding: 0 10px;
            }

            .logo {
                font-size: 20px;
            }

            .nav-links {
                gap: 15px;
            }

            .nav-links a {
                font-size: 14px;
                padding: 6px 12px;
            }

            .container {
                padding: 0 15px;
            }

            .section-title {
                font-size: clamp(1.8rem, 4vw, 2.5rem);
                margin: 50px 0 30px;
            }

            .skills-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 25px;
            }

            .ux-metrics {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
                gap: 25px;
            }

            .repo-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
                gap: 25px;
            }

            .case-study-content {
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hero {
                padding: 40px 0;
            }

            .ascii-art {
                font-size: 8px;
            }

            .section {
                margin: 60px 0;
            }

            .skills-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .ux-metrics {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .repo-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .case-study-content {
                grid-template-columns: 1fr;
                gap: 25px;
            }

            .about-content {
                font-size: 16px;
                line-height: 1.6;
            }

            .metric-number {
                font-size: 2.5rem;
            }

            .metric-label {
                font-size: 1rem;
            }

            .footer-title {
                font-size: 2rem;
            }

            .social-links {
                gap: 15px;
            }

            .social-link {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            header {
                padding: 8px 15px;
            }

            .logo {
                font-size: 18px;
            }

            .theme-toggle {
                font-size: 18px;
                padding: 3px 5px;
            }

            main {
                margin-top: 70px;
                padding: 30px 10px;
            }

            .hero {
                padding: 30px 0;
            }

            .ascii-art {
                font-size: 6px;
                margin-bottom: 15px;
            }

            .tagline {
                font-size: clamp(1rem, 3vw, 1.5rem);
                margin: 15px 0;
            }

            .status-line {
                font-size: 1rem;
                margin: 15px 0;
            }

            .marquee {
                padding: 12px;
                margin: 25px 0;
            }

            .marquee-content {
                font-size: 1rem;
            }

            .section {
                margin: 50px 0;
            }

            .section-title {
                font-size: clamp(1.5rem, 4vw, 2rem);
                margin: 40px 0 25px;
            }

            .skills-grid {
                gap: 15px;
            }

            .skill-card {
                padding: 25px 20px;
            }

            .skill-title {
                font-size: 20px;
                margin-bottom: 15px;
            }

            .skill-list {
                gap: 6px;
            }

            .skill-list span {
                font-size: 13px;
                padding: 5px 10px;
            }

            .ux-metrics {
                gap: 15px;
            }

            .metric-card {
                padding: 25px 15px;
            }

            .metric-number {
                font-size: 2rem;
            }

            .metric-label {
                font-size: 0.9rem;
            }

            .about-section {
                padding: 40px 20px;
                margin: 50px 0;
            }

            .about-content {
                font-size: 15px;
            }

            .portfolio-section {
                padding: 60px 10px;
            }

            .portfolio-content {
                padding: 30px;
            }

            .repo-card {
                padding: 15px;
            }

            .case-studies-section {
                padding: 50px 0;
            }

            .case-study {
                padding: 30px;
                margin-bottom: 50px;
            }

            .case-study h3 {
                font-size: 1.5rem;
                margin-bottom: 20px;
            }

            .case-study-text h4 {
                font-size: 1.1rem;
                margin: 20px 0 12px 0;
            }

            .case-study-text p {
                margin-bottom: 12px;
                line-height: 1.5;
            }

            .case-study-visuals {
                gap: 15px;
            }

            .contact-section {
                padding: 60px 10px;
                margin: 50px 0;
            }

            .contact-content p {
                font-size: clamp(1rem, 2vw, 1.3rem);
                margin-bottom: 25px;
            }

            .cta-button {
                padding: 12px 30px;
                font-size: 16px;
                margin: 8px;
            }

            footer {
                padding: 50px 10px 30px;
            }

            .footer-title {
                font-size: 2rem;
                margin-bottom: 15px;
            }

            .footer-tagline {
                margin-bottom: 20px;
            }

            .social-links {
                gap: 10px;
            }

            .social-link {
                padding: 10px 18px;
                font-size: 13px;
            }
        }

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

        .section {
            animation: fadeInUp 0.8s ease-out;
        }

        /* High contrast mode support */
        @media (prefers-contrast: high) {
            :root {
                --primary-cyan: #00ffff;
                --secondary-green: #00ff00;
                --text-primary: #ffffff;
                --border-color: #ffffff;
            }
        }

        /* Reduced motion support */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
            
            .kanji-background span {
                animation: none;
                opacity: 0.2;
            }
        }