:root {
            --primary-cyan: #00ffff;
            --primary-magenta: #ff00ff;
            --primary-blue: #0080ff;
            --bg-dark: #0a0a0a;
            --bg-dark-secondary: #1a1a2e;
            --bg-dark-tertiary: #16213e;
            --text-primary: #e0e0e0;
            --text-secondary: #b0b0b0;
            --text-muted: #888;
            --success-color: #00ff88;
            --error-color: #ff4444;
            --warning-color: #ffaa00;
        }

        /* Add Turkish-supporting font globally */
        html, body, input, textarea, button, select {
            font-family: 'Rajdhani', 'Orbitron', 'Exo 2', 'Inter', 'Roboto', 'Noto Sans', 'Open Sans', Arial, sans-serif;
        }

        /* Add overflow/word-break/hyphens for text-heavy elements */
        .about-text,
        .about-text p,
        .service-content p,
        .service-item h3,
        .feature-tag,
        .btn,
        .tab-btn,
        .nav-menu a,
        .footer-section ul li a,
        .footer-section ul li {
            overflow-wrap: break-word;
            word-break: break-word;
            hyphens: auto;
        }

        /* Allow buttons, tags, nav links to wrap text if needed */
        .btn,
        .tab-btn,
        .feature-tag,
        .nav-menu a {
            white-space: normal;
            min-width: 0;
        }

        /* Responsive: allow nav links and buttons to wrap on mobile */
        @media (max-width: 768px) {
            .nav-menu a,
            .btn,
            .tab-btn,
            .feature-tag {
                white-space: normal;
                min-width: 0;
            }
        }

        /* Light mode variables - Professional Dark Theme */
        [data-theme="light"] {
            --primary-cyan: #1a365d;
            --primary-magenta: #2d3748;
            --primary-blue: #2b6cb0;
            --bg-dark: #f7fafc;
            --bg-dark-secondary: #edf2f7;
            --bg-dark-tertiary: #e2e8f0;
            --text-primary: #1a202c;
            --text-secondary: #4a5568;
            --text-muted: #718096;
            --success-color: #38a169;
            --error-color: #e53e3e;
            --warning-color: #d69e2e;
        }

        /* Light mode specific styling */
        [data-theme="light"] body {
            background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 50%, #e2e8f0 100%);
        }

        [data-theme="light"] body::before {
            background: 
                radial-gradient(circle at 20% 80%, rgba(26, 54, 93, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(45, 55, 72, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(43, 108, 176, 0.03) 0%, transparent 50%);
        }

        [data-theme="light"] .hero::before {
            background: 
                linear-gradient(45deg, transparent 30%, rgba(26, 54, 93, 0.05) 50%, transparent 70%),
                linear-gradient(-45deg, transparent 30%, rgba(45, 55, 72, 0.05) 50%, transparent 70%);
        }

        [data-theme="light"] .hero h1 {
            color: var(--primary-cyan);
            text-shadow: 0 0 10px rgba(26, 54, 93, 0.3);
        }

        [data-theme="light"] .hero .subtitle {
            color: var(--primary-blue);
            text-shadow: 0 0 8px rgba(43, 108, 176, 0.3);
        }

        [data-theme="light"] .heading {
            color: var(--primary-cyan);
            text-shadow: 0 0 10px rgba(26, 54, 93, 0.3);
        }

        [data-theme="light"] .heading::after {
            background: linear-gradient(90deg, transparent, var(--primary-cyan), var(--primary-blue), var(--primary-cyan), transparent);
            box-shadow: 0 0 8px rgba(26, 54, 93, 0.3);
        }

        [data-theme="light"] .navbar {
            background: rgba(247, 250, 252, 0.95);
            border-bottom: 1px solid rgba(26, 54, 93, 0.2);
        }

        [data-theme="light"] .navbar.scrolled {
            background: rgba(247, 250, 252, 0.98);
            box-shadow: 0 2px 30px rgba(26, 54, 93, 0.1);
            border-bottom: 1px solid rgba(26, 54, 93, 0.3);
        }

        [data-theme="light"] .logo {
            color: var(--primary-cyan);
            text-shadow: 0 0 8px rgba(26, 54, 93, 0.3);
        }

        [data-theme="light"] .logo:hover {
            color: var(--primary-blue);
            text-shadow: 0 0 12px rgba(43, 108, 176, 0.4);
        }

        [data-theme="light"] .nav-menu a:hover,
        [data-theme="light"] .nav-menu a:focus {
            color: var(--primary-cyan);
            text-shadow: 0 0 8px rgba(26, 54, 93, 0.3);
            border: 1px solid rgba(26, 54, 93, 0.2);
            background: rgba(26, 54, 93, 0.05);
        }

        [data-theme="light"] .btn-primary {
            background: linear-gradient(45deg, var(--primary-cyan), var(--primary-blue));
            color: #ffffff;
            border: 2px solid var(--primary-cyan);
            box-shadow: 0 0 15px rgba(26, 54, 93, 0.2);
        }

        [data-theme="light"] .btn-primary:hover {
            background: linear-gradient(45deg, var(--primary-blue), var(--primary-cyan));
            box-shadow: 0 10px 25px rgba(26, 54, 93, 0.3);
        }

        [data-theme="light"] .btn-secondary {
            background: transparent;
            color: var(--primary-blue);
            border: 2px solid var(--primary-blue);
            box-shadow: 0 0 15px rgba(43, 108, 176, 0.2);
        }

        [data-theme="light"] .btn-secondary:hover {
            background: linear-gradient(45deg, var(--primary-blue), var(--primary-cyan));
            color: #ffffff;
            box-shadow: 0 10px 25px rgba(43, 108, 176, 0.3);
        }

        [data-theme="light"] .skill-item,
        [data-theme="light"] .service-item,
        [data-theme="light"] .contact-item {
            background: linear-gradient(135deg, rgba(26, 54, 93, 0.05) 0%, rgba(43, 108, 176, 0.05) 100%);
            border: 1px solid rgba(26, 54, 93, 0.2);
        }

        [data-theme="light"] .skill-item:hover,
        [data-theme="light"] .service-item:hover {
            border-color: var(--primary-cyan);
            box-shadow: 0 10px 25px rgba(26, 54, 93, 0.15);
        }

        [data-theme="light"] .skill-item i {
            color: var(--primary-cyan);
            text-shadow: 0 0 8px rgba(26, 54, 93, 0.3);
        }

        [data-theme="light"] .skill-item h3,
        [data-theme="light"] .service-item h3 {
            color: var(--primary-cyan);
        }

        [data-theme="light"] .feature-tag {
            background: rgba(26, 54, 93, 0.08);
            border: 1px solid rgba(26, 54, 93, 0.2);
            color: var(--primary-cyan);
        }

        [data-theme="light"] .feature-tag:hover {
            background: rgba(26, 54, 93, 0.15);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 8px rgba(26, 54, 93, 0.2);
        }

        [data-theme="light"] .contact input,
        [data-theme="light"] .contact textarea {
            background: rgba(26, 54, 93, 0.03);
            border: 2px solid rgba(26, 54, 93, 0.2);
            color: var(--text-primary);
        }

        [data-theme="light"] .contact input:focus,
        [data-theme="light"] .contact textarea:focus {
            border-color: var(--primary-cyan);
            background: rgba(26, 54, 93, 0.05);
            box-shadow: 0 0 10px rgba(26, 54, 93, 0.1);
        }

        [data-theme="light"] .contact button {
            background: linear-gradient(45deg, var(--primary-cyan), var(--primary-blue));
            border: 2px solid var(--primary-cyan);
            color: #ffffff;
        }

        [data-theme="light"] .contact button:hover:not(:disabled) {
            background: linear-gradient(45deg, var(--primary-blue), var(--primary-cyan));
            box-shadow: 0 10px 20px rgba(26, 54, 93, 0.2);
        }

        [data-theme="light"] .social-links a {
            background: rgba(26, 54, 93, 0.08);
            color: var(--primary-cyan);
            border: 1px solid rgba(26, 54, 93, 0.2);
        }

        [data-theme="light"] .social-links a:hover,
        [data-theme="light"] .social-links a:focus {
            background: linear-gradient(45deg, var(--primary-cyan), var(--primary-blue));
            color: #ffffff;
            border-color: var(--primary-cyan);
            box-shadow: 0 5px 15px rgba(26, 54, 93, 0.2);
        }

        [data-theme="light"] .dot {
            background: rgba(26, 54, 93, 0.2);
            border: 2px solid rgba(26, 54, 93, 0.4);
        }

        [data-theme="light"] .dot:hover {
            background: rgba(26, 54, 93, 0.4);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 10px rgba(26, 54, 93, 0.3);
        }

        [data-theme="light"] .dot.active {
            background: var(--primary-cyan);
            border-color: var(--primary-blue);
            box-shadow: 0 0 15px rgba(26, 54, 93, 0.4);
        }

        [data-theme="light"] .theme-toggle {
            background: rgba(26, 54, 93, 0.1);
            border: 1px solid var(--primary-cyan);
            color: var(--primary-cyan);
            box-shadow: 0 0 8px rgba(26, 54, 93, 0.15);
        }

        [data-theme="light"] .theme-toggle:hover {
            background: rgba(26, 54, 93, 0.2);
            border-color: var(--primary-blue);
            box-shadow: 0 0 12px rgba(26, 54, 93, 0.25);
        }

        [data-theme="light"] .tab-btn {
            background: rgba(26, 54, 93, 0.08);
            border: 1px solid rgba(26, 54, 93, 0.2);
            color: var(--primary-cyan);
        }

        [data-theme="light"] .tab-btn.active,
        [data-theme="light"] .tab-btn:hover {
            background: rgba(26, 54, 93, 0.15);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 8px rgba(26, 54, 93, 0.2);
        }

        [data-theme="light"] .about-text {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(26, 54, 93, 0.1);
            text-shadow: none;
        }

        [data-theme="light"] .contact-link {
            color: var(--text-primary);
        }

        [data-theme="light"] .contact-link:hover {
            color: var(--primary-cyan);
            text-shadow: 0 0 6px rgba(26, 54, 93, 0.3);
        }

        [data-theme="light"] .whatsapp-link {
            background: rgba(37, 211, 102, 0.08);
            border: 1px solid rgba(37, 211, 102, 0.2);
            color: var(--text-secondary);
        }

        [data-theme="light"] .whatsapp-link:hover {
            background: rgba(37, 211, 102, 0.15);
            border-color: #25d366;
            color: #25d366;
            text-shadow: 0 0 6px rgba(37, 211, 102, 0.3);
        }

        [data-theme="light"] .lang-btn {
            background: rgba(26, 54, 93, 0.08);
            border: 1px solid rgba(26, 54, 93, 0.2);
            color: var(--primary-cyan);
        }

        [data-theme="light"] .lang-btn:hover {
            background: rgba(26, 54, 93, 0.15);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 6px rgba(26, 54, 93, 0.2);
        }

        [data-theme="light"] .lang-btn.active {
            background: rgba(26, 54, 93, 0.2);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 8px rgba(26, 54, 93, 0.3);
            color: var(--primary-cyan);
        }

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

        body {
            font-family: 'Rajdhani', 'Arial', sans-serif;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 50%, var(--bg-dark-tertiary) 100%);
            color: var(--text-primary);
            scroll-behavior: smooth;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 80%, rgba(0, 255, 255, 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, 255, 0, 0.05) 0%, transparent 50%);
            pointer-events: none;
            z-index: -1;
        }

        /* Loading Screen */
        .loading-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--bg-dark);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            transition: opacity 0.5s ease;
        }

        .loading-screen.hidden {
            opacity: 0;
            pointer-events: none;
        }

        .loader {
            width: 50px;
            height: 50px;
            border: 3px solid rgba(0, 255, 255, 0.3);
            border-top: 3px solid var(--primary-cyan);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

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

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 255, 255, 0.3);
            z-index: 1000;
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            background: rgba(10, 10, 10, 0.98);
            box-shadow: 0 2px 30px rgba(0, 255, 255, 0.2);
            border-bottom: 1px solid rgba(0, 255, 255, 0.5);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            font-family: 'Orbitron', monospace;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-cyan);
            text-decoration: none;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
            transition: all 0.3s ease;
        }

        .logo:hover {
            color: #ffffff;
            text-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
        }

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

        .nav-menu a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 600;
            font-family: 'Exo 2', sans-serif;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
            position: relative;
            padding: 0.5rem 1rem;
            border: 1px solid transparent;
            border-radius: 4px;
        }

        .nav-menu a:hover,
        .nav-menu a:focus {
            color: var(--primary-cyan);
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
            border: 1px solid rgba(0, 255, 255, 0.3);
            background: rgba(0, 255, 255, 0.1);
            outline: none;
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            padding: 4px;
            border: none;
            background: transparent;
        }

        .mobile-menu-toggle span {
            width: 25px;
            height: 3px;
            background: #fff;
            margin: 3px 0;
            transition: 0.3s;
        }

        /* Utilities */
        .container {
            max-width: 1200px;
            margin: auto;
            padding: 0 2rem;
        }

        .heading {
            font-family: 'Orbitron', monospace;
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            text-align: center;
            margin-bottom: 2rem;
            color: var(--primary-cyan);
            text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
            position: relative;
            text-transform: uppercase;
            letter-spacing: 3px;
        }

        .heading::after {
            content: '';
            position: absolute;
            width: 100px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary-cyan), var(--primary-magenta), var(--primary-cyan), transparent);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
        }

        .section-padding {
            padding: 100px 0;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                linear-gradient(45deg, transparent 30%, rgba(0, 255, 255, 0.1) 50%, transparent 70%),
                linear-gradient(-45deg, transparent 30%, rgba(255, 0, 255, 0.1) 50%, transparent 70%);
            animation: heroPattern 10s ease-in-out infinite;
        }

        @keyframes heroPattern {
            0%, 100% { opacity: 0.3; }
            50% { opacity: 0.6; }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            animation: fadeInUp 1s ease-out;
        }

        .hero h1 {
            font-family: 'Orbitron', monospace;
            font-size: calc(clamp(2.5rem, 6vw, 5rem) * 0.8);
            margin-bottom: 1rem;
            font-weight: 900;
            color: var(--primary-cyan);
            text-shadow: 0 0 30px rgba(0, 255, 255, 0.8);
            text-transform: uppercase;
            letter-spacing: 4px;
            animation: glow 2s ease-in-out infinite alternate;
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: calc(clamp(2.5rem, 6vw, 5rem) * 0.8);
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: calc(clamp(2.5rem, 6vw, 5rem) * 0.8);
            }
        }

        @keyframes glow {
            from { text-shadow: 0 0 10px rgba(0, 255, 255, 0.3), 0 0 15px rgba(0, 255, 255, 0.2); }
            to { text-shadow: 0 0 15px rgba(0, 255, 255, 0.5), 0 0 20px rgba(0, 255, 255, 0.3); }
        }

        .hero .subtitle {
            font-size: clamp(1rem, 3vw, 1.5rem);
            font-weight: 600;
            font-family: 'Exo 2', sans-serif;
            margin-bottom: 2rem;
            color: var(--primary-magenta);
            text-shadow: 0 0 15px rgba(255, 0, 255, 0.5);
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .hero .description {
            font-size: clamp(1rem, 2vw, 1.2rem);
            max-width: 600px;
            margin: 0 auto 1rem;
            line-height: 1.6;
            color: var(--text-secondary);
            font-weight: 400;
        }

        .hero .tour-text {
            font-size: clamp(1rem, 2.5vw, 1.2rem);
            font-weight: 600;
            color: var(--primary-cyan);
            margin: 0 auto 2rem;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
            animation: glow 2s ease-in-out infinite alternate;
            text-align: center;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 15px 35px;
            border: none;
            border-radius: 0;
            font-weight: 700;
            font-family: 'Exo 2', sans-serif;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
            cursor: pointer;
            display: inline-block;
            position: relative;
            overflow: hidden;
            min-width: 44px;
            min-height: 44px;
        }

        .btn:focus {
            outline: 2px solid var(--primary-cyan);
            outline-offset: 2px;
        }

        .btn-primary {
            background: linear-gradient(45deg, var(--primary-cyan), var(--primary-blue));
            color: #000;
            border: 2px solid var(--primary-cyan);
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
        }

        .btn-primary:hover {
            background: linear-gradient(45deg, var(--primary-blue), var(--primary-cyan));
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 255, 255, 0.5);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary-magenta);
            border: 2px solid var(--primary-magenta);
            box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
        }

        .btn-secondary:hover {
            background: linear-gradient(45deg, var(--primary-magenta), #ff0080);
            color: #000;
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(255, 0, 255, 0.5);
        }

        /* Parallax Background Sections */
        .parallax-bg {
            height: 50vh;
            min-height: 300px;
            max-height: 600px;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
            background-attachment: fixed;
            position: relative;
            z-index: 1;
        }
        .parallax-bg::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(135deg, rgba(10,10,10,0.5) 0%, rgba(0,255,255,0.1) 100%);
            z-index: 2;
        }
        .parallax-bg-1 {
            background-image: url('https://images.unsplash.com/photo-1461749280684-dccba630e2f6?auto=format&fit=crop&w=1200&q=80'); /* tech/abstract */
        }
        .parallax-bg-2 {
            background-image: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?auto=format&fit=crop&w=1200&q=80'); /* code/office */
        }
        .parallax-bg-3 {
            background-image: url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?auto=format&fit=crop&w=1200&q=80'); /* digital/ai */
        }
        [data-theme="light"] .parallax-bg::before {
            background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(26,54,93,0.08) 100%);
        }
        @media (max-width: 1024px) {
            .parallax-bg {
                background-attachment: fixed;
            }
        }
        @media (max-width: 768px) {
            .parallax-bg {
                background-attachment: fixed;
            }
        }
        @media (max-width: 480px) {
            .parallax-bg {
                background-attachment: fixed;
            }
        }

        /* About Section */
        .about {
            background: linear-gradient(135deg, #0f0f23 0%, var(--bg-dark-secondary) 50%, var(--bg-dark-tertiary) 100%);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text {
            line-height: 1.8;
            color: var(--text-primary);
            font-size: 1.1rem;
            font-weight: 400;
            text-shadow: none;
            background: rgba(0, 0, 0, 0.1);
            padding: 2rem;
            border-radius: 8px;
            border: 1px solid rgba(0, 255, 255, 0.1);
            word-wrap: break-word;
            overflow-wrap: break-word;
            hyphens: auto;
            /* Ensure text doesn't overflow its container */
            white-space: normal;
            /* Allow words to break to prevent overflow */
            word-break: break-word;
            max-width: 100%;
            box-sizing: border-box;
        }

        .about-text p {
            margin-bottom: 1.5rem;
        }

        .skills {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .skill-item {
            text-align: center;
            padding: 2rem;
            background: linear-gradient(135deg, rgba(0, 255, 255, 0.1) 0%, rgba(255, 0, 255, 0.1) 100%);
            border: 1px solid rgba(0, 255, 255, 0.3);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .skill-item:hover {
            transform: translateY(-10px);
            border-color: var(--primary-cyan);
            box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
        }

        .skill-item i {
            font-size: 3rem;
            color: var(--primary-cyan);
            margin-bottom: 1rem;
            text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
        }

        .skill-item h3 {
            font-family: 'Orbitron', monospace;
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            color: #ffffff;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        @media (min-width: 769px) {
            .about .skill-item h3 {
                font-size: 1.2rem;
            }
        }

        /* Portfolio Section */
        .portfolio {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 50%, var(--bg-dark-tertiary) 100%);
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .portfolio-item {
            background: linear-gradient(135deg, rgba(0, 255, 255, 0.1) 0%, rgba(255, 0, 255, 0.1) 100%);
            border: 1px solid rgba(0, 255, 255, 0.3);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 255, 255, 0.1);
            transition: all 0.3s ease;
            position: relative;
        }

        .portfolio-item:hover {
            transform: translateY(-15px);
            border-color: var (--primary-cyan);
            box-shadow: 0 20px 40px rgba(0, 255, 255, 0.3);
        }

        .portfolio-item img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .portfolio-content {
            padding: 2rem;
        }

        .portfolio-item h3 {
            font-family: 'Orbitron', monospace;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary-cyan);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

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

        .project-link {
            padding: 8px 16px;
            background: rgba(0, 255, 255, 0.1);
            border: 1px solid rgba(0, 255, 255, 0.3);
            color: var(--primary-cyan);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            text-transform: uppercase;
            transition: all 0.3s ease;
        }

        .project-link:hover {
            background: rgba(0, 255, 255, 0.2);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
        }

        /* Services Section */
        .services {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 50%, var(--bg-dark-tertiary) 100%);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .service-item {
            background: linear-gradient(135deg, rgba(0, 255, 255, 0.1) 0%, rgba(255, 0, 255, 0.1) 100%);
            border: 1px solid rgba(0, 255, 255, 0.3);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 255, 255, 0.1);
            transition: all 0.3s ease;
            position: relative;
        }

        .service-item:hover {
            transform: translateY(-15px);
            border-color: var(--primary-cyan);
            box-shadow: 0 20px 40px rgba(0, 255, 255, 0.3);
        }

        .service-item img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            transition: transform 0.3s ease;
            filter: grayscale(20%) contrast(1.1);
        }

        .service-item:hover img {
            transform: scale(1.05);
            filter: grayscale(0%) contrast(1.2);
        }

        @media (min-width: 1025px) {
            .service-item {
                display: flex;
                flex-direction: column;
                align-items: stretch;
                min-height: 0;
            }
            .service-item img {
                width: 100%;
                max-width: 100%;
                height: 200px;
                object-fit: cover;
                border-radius: 16px 16px 0 0;
                margin: 0;
                position: static;
                transform: none;
                left: 0;
                box-shadow: none;
                display: block;
            }
            .service-item .service-content {
                flex: 1 1 0%;
                padding: 2rem 1.5rem;
                display: flex;
                flex-direction: column;
                justify-content: center;
            }
        }

        .service-content {
            padding: 2rem;
        }

        .service-item h3 {
            font-family: 'Orbitron', monospace;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary-cyan);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

        .service-features {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .feature-tag {
            padding: 6px 12px;
            background: rgba(0, 255, 255, 0.1);
            border: 1px solid rgba(0, 255, 255, 0.3);
            color: var(--primary-cyan);
            font-size: 0.8rem;
            font-weight: 600;
            font-family: 'Exo 2', sans-serif;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
        }

        .feature-tag:hover {
            background: rgba(0, 255, 255, 0.2);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
        }

        /* Contact Section */
        .contact {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 50%, var(--bg-dark-tertiary) 100%);
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            margin-top: 3rem;
        }

        .contact-info h3 {
            font-family: 'Orbitron', monospace;
            font-size: 1.8rem;
            margin-bottom: 2rem;
            color: var(--primary-cyan);
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
            padding: 1rem;
            background: rgba(0, 255, 255, 0.05);
            border: 1px solid rgba(0, 255, 255, 0.2);
            transition: all 0.3s ease;
        }

        .contact-item:hover {
            background: rgba(0, 255, 255, 0.1);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
        }

        .contact-item i {
            font-size: 1.5rem;
            color: var(--primary-cyan);
            margin-right: 1rem;
            width: 30px;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
        }

        .contact-link {
            color: var(--text-primary);
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
        }

        .contact-link:hover {
            color: var(--primary-cyan);
            text-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
            transform: translateX(5px);
        }

        .contact-phone-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .whatsapp-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 0.3rem 0.8rem;
            background: rgba(37, 211, 102, 0.1);
            border: 1px solid rgba(37, 211, 102, 0.3);
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .whatsapp-link:hover {
            background: rgba(37, 211, 102, 0.2);
            border-color: #25d366;
            color: #25d366;
            text-shadow: 0 0 8px rgba(37, 211, 102, 0.5);
            transform: translateX(5px);
        }

        .whatsapp-link i {
            color: #25d366;
            font-size: 1.2rem;
            margin: 0;
            width: auto;
        }

        /* Language Toggle */
        .language-toggle {
            position: fixed;
            top: 130px;
            right: 20px;
            display: flex;
            flex-direction: column;
            gap: 5px;
            z-index: 1000;
        }

        .lang-btn {
            width: 40px;
            height: 30px;
            background: rgba(0, 255, 255, 0.1);
            border: 1px solid rgba(0, 255, 255, 0.3);
            color: var(--primary-cyan);
            font-size: 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
            padding: 2px;
        }

        .flag-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .lang-btn:hover {
            background: rgba(0, 255, 255, 0.2);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
            transform: scale(1.05);
        }

        .lang-btn:hover .flag-img {
            transform: scale(1.1);
        }

        .lang-btn.active {
            background: rgba(0, 255, 255, 0.3);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
            color: #ffffff;
        }

        .contact form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group label {
            margin-bottom: 0.5rem;
            color: var(--primary-cyan);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .contact input, .contact textarea {
            padding: 15px;
            background: rgba(0, 255, 255, 0.05);
            border: 2px solid rgba(0, 255, 255, 0.3);
            color: var(--text-primary);
            font-size: 1rem;
            font-family: 'Rajdhani', sans-serif;
            transition: all 0.3s ease;
        }

        .contact input:focus, .contact textarea:focus {
            outline: none;
            border-color: var(--primary-cyan);
            background: rgba(0, 255, 255, 0.1);
            box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
        }

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

        .contact textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-status {
            padding: 1rem;
            margin-bottom: 1rem;
            border-radius: 4px;
            font-weight: 600;
            text-align: center;
            display: none;
        }

        .form-status.success {
            background: rgba(0, 255, 136, 0.1);
            color: var(--success-color);
            border: 1px solid var(--success-color);
        }

        .form-status.error {
            background: rgba(255, 68, 68, 0.1);
            color: var (--error-color);
            border: 1px solid var(--error-color);
        }

        .contact button {
            padding: 15px 30px;
            background: linear-gradient(45deg, var(--primary-cyan), var(--primary-blue));
            border: 2px solid var(--primary-cyan);
            color: #000;
            font-weight: 700;
            font-size: 1rem;
            font-family: 'Exo 2', sans-serif;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .contact button:hover:not(:disabled) {
            background: linear-gradient(45deg, var(--primary-blue), var(--primary-cyan));
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 255, 255, 0.4);
        }

        .contact button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .contact button:focus {
            outline: 2px solid var(--primary-cyan);
            outline-offset: 2px;
        }

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

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(0, 255, 255, 0.1);
            color: var(--primary-cyan);
            border: 1px solid rgba(0, 255, 255, 0.3);
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .social-links a:hover,
        .social-links a:focus {
            background: linear-gradient(45deg, var(--primary-cyan), var(--primary-blue));
            color: #000;
            border-color: var(--primary-cyan);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 255, 255, 0.4);
            outline: none;
        }

        /* Footer */
        .footer {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
            color: var(--text-muted);
            padding: 3rem 0 2rem;
            border-top: 1px solid rgba(0, 255, 255, 0.3);
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            font-family: 'Orbitron', monospace;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary-cyan);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .footer-section ul {
            list-style: none;
            padding: 0;
        }

        .footer-section ul li {
            margin-bottom: 0.5rem;
        }

        .footer-section ul li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-section ul li a:hover {
            color: var(--primary-cyan);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(0, 255, 255, 0.2);
            color: var(--text-muted);
        }

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

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

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background-color: rgba(0, 0, 0, 0.95);
                width: 100%;
                text-align: center;
                transition: 0.3s;
                padding: 2rem 0;
            }

            .nav-menu.active {
                left: 0;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .about-content,
            .contact-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .about-text {
                font-size: 1rem;
                padding: 1.5rem;
                word-break: break-word;
            }

            .portfolio-grid,
            .service-grid {
                grid-template-columns: 1fr;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .container {
                padding: 0 1rem;
            }

            .section-padding {
                padding: 60px 0;
            }

            .nav-menu a,
            .btn,
            .tab-btn,
            .feature-tag {
                white-space: normal;
                min-width: 0;
            }

            /* Task 1: Reduce height of bg images by 30% */
            .parallax-bg {
                height: 35vh;
                min-height: 100px;
                max-height: 200px;
            }

            /* Task 2: Reposition and resize theme & language toggle buttons */
            .theme-toggle {
                top: 16px;
                right: 12px;
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .language-toggle {
                top: 16px;
                right: 56px;
                gap: 4px;
                position: fixed;
                z-index: 1001;
            }
            .lang-btn {
                width: 28px;
                height: 22px;
                padding: 2px 4px;
                font-size: 0.9rem;
            }
            .flag-img {
                width: 16px;
                height: 12px;
            }

            /* Task 3: Change color of mobile menu icon and menu in light mode */
            [data-theme="light"] .mobile-menu-toggle span {
                background: var(--primary-cyan);
            }
            [data-theme="light"] .nav-menu {
                background: #f7fafc;
                color: var(--primary-cyan);
            }
            [data-theme="light"] .nav-menu a {
                color: var(--primary-cyan);
            }
            [data-theme="light"] .nav-menu a:hover,
            [data-theme="light"] .nav-menu a:focus {
                color: var(--primary-blue);
                background: rgba(26, 54, 93, 0.08);
            }
        }

        @media (max-width: 480px) {
            .skills {
                grid-template-columns: 1fr;
            }

            .about-text {
                font-size: 0.95rem;
                padding: 1rem;
                line-height: 1.6;
            }
        }

        /* Screen reader only content */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Skip link for accessibility */
        .skip-link {
            position: absolute;
            top: -40px;
            left: 6px;
            background: var(--primary-cyan);
            color: #000;
            padding: 8px;
            text-decoration: none;
            transition: top 0.3s;
            z-index: 10001;
        }

        .skip-link:focus {
            top: 6px;
        }

        /* Section Navigation Dots */
        .section-dots {
            position: fixed;
            right: 30px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(0, 255, 255, 0.3);
            border: 2px solid rgba(0, 255, 255, 0.5);
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }

        .dot:hover {
            background: rgba(0, 255, 255, 0.6);
            border-color: var(--primary-cyan);
            transform: scale(1.2);
            box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
        }

        .dot.active {
            background: var(--primary-cyan);
            border-color: #ffffff;
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
            transform: scale(1.3);
        }

        .dot::after {
            content: attr(data-section);
            position: absolute;
            right: 25px;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0, 0, 0, 0.8);
            color: var(--primary-cyan);
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            white-space: nowrap;
            border: 1px solid rgba(0, 255, 255, 0.3);
        }

        .dot:hover::after {
            opacity: 1;
            visibility: visible;
        }


        /* Theme Toggle Button */
        .theme-toggle {
            position: fixed;
            top: 80px;
            right: 20px;
            width: 40px;
            height: 40px;
            background: rgba(0, 255, 255, 0.15);
            border: 1px solid var(--primary-cyan);
            border-radius: 50%;
            color: var(--primary-cyan);
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            backdrop-filter: blur(10px);
            box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
        }

        .theme-toggle:hover {
            background: rgba(0, 255, 255, 0.4);
            border-color: #ffffff;
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.6);
            transform: scale(1.1);
        }

        /* Mobile Service Tabs */
        .service-tabs {
            display: none;
            margin-bottom: 2rem;
        }

        .tab-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            margin-bottom: 2rem;
        }

        .tab-btn {
            padding: 10px 20px;
            background: rgba(0, 255, 255, 0.1);
            border: 1px solid rgba(0, 255, 255, 0.3);
            color: var(--primary-cyan);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
            transition: all 0.3s ease;
            border-radius: 4px;
        }

        .tab-btn.active,
        .tab-btn:hover {
            background: rgba(0, 255, 255, 0.2);
            border-color: var(--primary-cyan);
            box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
        }

        .service-tab-content {
            display: none;
        }

        .service-tab-content.active {
            display: block;
        }

        /* CTA Icons */
        .cta-with-icon {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Mobile responsive for dots */
        @media (max-width: 768px) {
            .section-dots {
                right: 15px;
                gap: 12px;
            }
            
            .dot {
                width: 10px;
                height: 10px;
            }
            
            .dot::after {
                display: none;
            }

            .theme-toggle {
                top: 70px;
                right: 15px;
                width: 35px;
                height: 35px;
                font-size: 0.9rem;
                background: rgba(0, 255, 255, 0.2);
                border: 1px solid var(--primary-cyan);
                box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
            }

            .language-toggle {
                top: 115px;
                right: 15px;
                gap: 3px;
            }

            .lang-btn {
                width: 35px;
                height: 25px;
                font-size: 1rem;
                padding: 1px;
            }

            .flag-img {
                border-radius: 1px;
            }

            .service-tabs {
                display: block;
            }

            .service-grid {
                display: none;
            }

            .service-tab-content .service-grid {
                display: grid;
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }