: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;
            --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;
        }

        /* 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;
        }

        .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 Banner */
        .hero-banner {
            padding: 8rem 2rem 4rem;
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="2" height="2" fill="%2300f5ff" opacity="0.1"/></svg>');
            animation: slideBackground 20s linear infinite;
        }

        @keyframes slideBackground {
            0% { transform: translateX(0) translateY(0); }
            100% { transform: translateX(100px) translateY(100px); }
        }

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

        .hero-title {
            font-size: 4rem;
            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;
        }

        .hero-subtitle {
            font-size: 1.5rem;
            color: var(--text-secondary);
        }

        /* Main Content */
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 4rem 2rem;
        }

        /* Bio Section */
        .bio-section {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 3rem;
            margin-bottom: 4rem;
            align-items: center;
        }

        .bio-image {
            width: 100%;
            max-width: 400px;
            aspect-ratio: 1;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10rem;
            border: 3px solid var(--accent-cyan);
            box-shadow: 0 0 30px rgba(0, 245, 255, 0.3);
            position: relative;
            overflow: hidden;
        }

        .bio-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 scan {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .bio-content h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--accent-cyan);
        }

        .bio-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            line-height: 1.8;
        }

        .personality-traits {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }

        .trait {
            padding: 0.5rem 1rem;
            background: var(--bg-card);
            border-radius: 20px;
            border: 1px solid var(--accent-purple);
            color: var(--accent-purple);
            font-weight: 600;
            transition: var(--transition);
        }

        .trait:hover {
            background: var(--accent-purple);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(160, 32, 240, 0.4);
        }

        /* Section Title */
        .section-title {
            font-size: 3rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 3rem;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Skills Section */
        .skills-tabs {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .tab-btn {
            padding: 1rem 2rem;
            background: var(--bg-card);
            border: 2px solid transparent;
            border-radius: 10px;
            color: var(--text-secondary);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .tab-btn.active {
            border-color: var(--accent-cyan);
            background: rgba(0, 245, 255, 0.1);
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
        }

        .tab-btn:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-3px);
        }

        .skills-content {
            display: none;
        }

        .skills-content.active {
            display: block;
            animation: fadeIn 0.5s;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .skill-item {
            margin-bottom: 2rem;
        }

        .skill-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.5rem;
        }

        .skill-name {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .skill-percentage {
            font-size: 1rem;
            color: var(--accent-cyan);
            font-weight: 700;
        }

        .skill-bar {
            height: 12px;
            background: var(--bg-secondary);
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .skill-progress {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
            border-radius: 10px;
            width: 0;
            transition: width 1.5s ease-out;
            box-shadow: 0 0 10px var(--accent-cyan);
        }

        .skill-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            animation: shimmer 2s infinite;
        }

        @keyframes shimmer {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding: 2rem 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 3rem;
            position: relative;
        }

        .timeline-item:nth-child(odd) .timeline-content {
            order: 1;
        }

        .timeline-item:nth-child(even) .timeline-content {
            order: 2;
            text-align: right;
        }

        .timeline-content {
            width: 45%;
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

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

        .timeline-dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            background: var(--accent-cyan);
            border-radius: 50%;
            border: 4px solid var(--bg-primary);
            box-shadow: 0 0 20px var(--accent-cyan);
            z-index: 1;
        }

        .timeline-date {
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

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

        .timeline-company {
            color: var(--accent-purple);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .timeline-description {
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Education Grid */
        .education-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

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

        .education-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
        }

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

        .education-icon {
            font-size: 3rem;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }

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

        .education-school {
            color: var(--accent-purple);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .education-year {
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .education-description {
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Values Section */
        .values-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

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

        .value-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 20px 40px rgba(0, 245, 255, 0.3);
        }

        .value-icon {
            font-size: 4rem;
            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;
        }

        .value-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .value-description {
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 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: 0 0 20px rgba(0, 245, 255, 0.5);
            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-title {
                font-size: 2.5rem;
            }

            .bio-section {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .bio-image {
                margin: 0 auto;
            }

            .timeline::before {
                left: 0;
            }

            .timeline-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .timeline-content {
                width: 100%;
                margin-left: 2rem;
                text-align: left !important;
            }

            .timeline-dot {
                left: 0;
            }
        }

        ::-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;
        }