:root {
            --bg-primary: #0a0a0f;
            --bg-secondary: #1a1a24;
            --bg-card: #20202e;
            --text-primary: #ffffff;
            --text-secondary: #e0e6ed;
            --text-muted: #a0aec0;
            --accent-cyan: #00f5ff;
            --accent-purple: #a020f0;
            --accent-pink: #ff006e;
            --accent-green: #00ff88;
            --neon-blue: #00d4ff;
            --neon-shadow: 0 0 20px rgba(0, 245, 255, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            overflow-x: hidden;
            line-height: 1.6;
        }

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

        .loading-screen.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .loader-icon {
            font-size: 4rem;
            color: var(--accent-cyan);
            animation: rotate 2s linear infinite;
            margin-bottom: 2rem;
        }

        .loading-bar {
            width: 300px;
            height: 8px;
            background: var(--bg-secondary);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
        }

        .loading-progress {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
            width: 0%;
            animation: loading 2s ease-in-out forwards;
            box-shadow: 0 0 10px var(--accent-cyan);
        }

        .loading-text {
            margin-top: 1rem;
            color: var(--text-secondary);
            font-size: 1.2rem;
        }

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

        @keyframes loading {
            100% { width: 100%; }
        }

        /* Scroll Progress Bar */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
            z-index: 9999;
            box-shadow: 0 0 10px var(--accent-cyan);
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(10, 10, 15, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(0, 245, 255, 0.2);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            cursor: pointer;
            transition: var(--transition);
        }

        .logo:hover {
            filter: drop-shadow(0 0 10px var(--accent-cyan));
        }

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

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            position: relative;
            transition: var(--transition);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
            transition: width 0.3s;
        }

        .nav-links a:hover {
            color: var(--accent-cyan);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--accent-cyan);
        }

        .nav-links a.active::after {
            width: 100%;
        }

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

        .nav-social a {
            color: var(--text-secondary);
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .nav-social a:hover {
            color: var(--accent-cyan);
            transform: translateY(-3px);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            padding: 6rem 2rem 2rem;
        }

        .particles-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
        }

        .hero-content {
            max-width: 1400px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .hero-image {
            width: 200px;
            height: 200px;
            border-radius: 50%;
            margin: 0 auto 2rem;
            border: 3px solid var(--accent-cyan);
            box-shadow: 0 0 30px rgba(0, 245, 255, 0.5), 0 0 60px rgba(160, 32, 240, 0.3);
            animation: float 3s ease-in-out infinite;
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 5rem;
            position: relative;
            overflow: hidden;
        }

        .hero-image::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(0, 245, 255, 0.1), transparent);
            animation: scan 3s linear infinite;
        }

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

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

        .hero h1 {
            font-size: 4rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--accent-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: slideUp 1s ease-out;
        }

        .hero-tagline {
            font-size: 1.5rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            animation: slideUp 1s ease-out 0.2s backwards;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
            animation: slideUp 1s ease-out 0.4s backwards;
        }

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

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: slideUp 1s ease-out 0.6s backwards;
        }

        .btn {
            padding: 1rem 2rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: white;
            box-shadow: var(--neon-shadow);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 30px rgba(0, 245, 255, 0.8);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent-cyan);
            border: 2px solid var(--accent-cyan);
        }

        .btn-secondary:hover {
            background: var(--accent-cyan);
            color: var(--bg-primary);
            transform: translateY(-3px);
            box-shadow: 0 0 20px var(--accent-cyan);
        }

        .scroll-indicator {
            position: absolute;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            color: var(--accent-cyan);
            font-size: 2rem;
            animation: bounce 2s infinite;
        }

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

        /* Stats Section */
        .stats-section {
            padding: 4rem 2rem;
            background: var(--bg-secondary);
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
        }

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

        .stat-card {
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            border: 1px solid transparent;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            opacity: 0;
            transition: var(--transition);
        }

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

        .stat-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 245, 255, 0.3);
        }

        .stat-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* Featured Work */
        .featured-work {
            padding: 4rem 2rem;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.2rem;
        }

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

        .project-card {
            background: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
        }

        .project-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 245, 255, 0.3);
        }

        .project-image {
            width: 100%;
            height: 250px;
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            position: relative;
            overflow: hidden;
        }

        .project-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 245, 255, 0.3), transparent);
            transition: left 0.5s;
        }

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

        .project-content {
            padding: 1.5rem;
        }

        .project-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .project-description {
            color: var(--text-muted);
            margin-bottom: 1rem;
            line-height: 1.6;
        }

        .project-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .tag {
            padding: 0.3rem 0.8rem;
            background: rgba(0, 245, 255, 0.1);
            color: var(--accent-cyan);
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid var(--accent-cyan);
        }

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

        .project-link {
            flex: 1;
            padding: 0.6rem;
            text-align: center;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }

        .link-primary {
            background: var(--accent-cyan);
            color: var(--bg-primary);
        }

        .link-primary:hover {
            box-shadow: 0 0 20px var(--accent-cyan);
            transform: scale(1.05);
        }

        .link-secondary {
            background: transparent;
            color: var(--accent-purple);
            border: 1px solid var(--accent-purple);
        }

        .link-secondary:hover {
            background: var(--accent-purple);
            color: white;
        }

        /* Tech Stack */
        .tech-stack {
            padding: 4rem 2rem;
            background: var(--bg-secondary);
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 2rem;
        }

        .tech-item {
            text-align: center;
            padding: 1.5rem;
            background: var(--bg-card);
            border-radius: 12px;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
        }

        .tech-item:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 10px 30px rgba(0, 245, 255, 0.3);
        }

        .tech-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .tech-name {
            color: var(--text-secondary);
            font-weight: 600;
        }

        /* Footer */
        footer {
            background: var(--bg-primary);
            padding: 3rem 2rem 1rem;
            border-top: 1px solid rgba(0, 245, 255, 0.2);
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            color: var(--accent-cyan);
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }

        .footer-section p, .footer-section a {
            color: var(--text-muted);
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }

        .footer-section a:hover {
            color: var(--accent-cyan);
            transform: translateX(5px);
        }

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

        .social-links a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-card);
            border-radius: 50%;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--accent-cyan);
            color: var(--bg-primary);
            transform: translateY(-5px);
            box-shadow: 0 5px 20px var(--accent-cyan);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
        }

        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: white;
            border: none;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: var(--neon-shadow);
            z-index: 999;
        }

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

        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 245, 255, 0.5);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: rgba(10, 10, 15, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 2rem;
                transition: left 0.3s;
            }

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

            .mobile-toggle {
                display: block;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero-tagline {
                font-size: 1.2rem;
            }

            .section-header h2 {
                font-size: 2rem;
            }

            .projects-grid {
                grid-template-columns: 1fr;
            }

            .tech-grid {
                grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
                gap: 1rem;
            }
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
        }

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

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
        }