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

        :root {
            --primary: #0f172a;
            --secondary: #1e293b;
            --accent: #3b82f6;
            --accent-hover: #2563eb;
            --text-primary: #f8fafc;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --card-bg: rgba(30, 41, 59, 0.8);
            --border: #334155;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: var(--primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Animated Background */
        .bg-animation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #0f172a 0%, #1a1f36 50%, #0f172a 100%);
            z-index: -1;
        }

        .bg-animation::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
            animation: rotate 30s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        nav.scrolled {
            padding: 0.5rem 0;
            background: rgba(15, 23, 42, 0.98);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            background: var(--bg-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: glow 3s ease-in-out infinite;
        }

        @keyframes glow {
            0%, 100% { filter: brightness(1); }
            50% { filter: brightness(1.2); }
        }

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

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }

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

        .nav-links a:hover {
            color: var(--text-primary);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 6rem 2rem 4rem;
            position: relative;
            margin-bottom: 400px;
        }

        .hero-content {
            max-width: 1200px;
            width: 100%;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            animation: slideInLeft 1s ease;
        }

        .hero-text .title {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 1.5rem;
            animation: slideInLeft 1s ease 0.2s backwards;
        }

        .hero-text .company {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            animation: slideInLeft 1s ease 0.4s backwards;
        }

        .hero-text p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 2rem;
            animation: slideInLeft 1s ease 0.6s backwards;
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-top: 3rem;
            animation: fadeIn 1s ease 0.8s backwards;
        }

        .stat {
            text-align: center;
            padding: 1.5rem;
            background: var(--card-bg);
            border-radius: 10px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .stat:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: bold;
            color: var(--accent);
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .hero-image {
            position: relative;
            animation: slideInRight 1s ease;
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .hero-image-container {
            position: relative;
            width: 100%;
            height: 500px;
            background: var(--bg-gradient);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-image-container::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: var(--bg-gradient);
            border-radius: 20px;
            z-index: -1;
            animation: borderRotate 4s linear infinite;
        }

        @keyframes borderRotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .floating-icons {
            position: absolute;
            width: 100%;
            height: 100%;
        }

        .floating-icon {
            position: absolute;
            font-size: 3rem;
            opacity: 0.7;
            animation: float 6s ease-in-out infinite;
        }

        .floating-icon:nth-child(1) {
            top: 20%;
            left: 20%;
            animation-delay: 0s;
        }

        .floating-icon:nth-child(2) {
            top: 60%;
            right: 20%;
            animation-delay: 2s;
        }

        .floating-icon:nth-child(3) {
            bottom: 20%;
            left: 30%;
            animation-delay: 4s;
        }

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

        /* Sections */
        section {
            padding: 5rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        h2 {
            font-size: 2.5rem;
            margin-bottom: 3rem;
            text-align: center;
            background: var(--bg-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Experience Section */
        .experience-grid {
            display: grid;
            gap: 2rem;
        }

        .experience-card {
            background: var(--card-bg);
            padding: 2rem;
            border-radius: 15px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .experience-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent);
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }

        .experience-card:hover::before {
            transform: scaleY(1);
        }

        .experience-card:hover {
            transform: translateX(10px);
            border-color: var(--accent);
        }

        .experience-header {
            display: flex;
            justify-content: space-between;
            align-items: start;
            margin-bottom: 1rem;

        }

        .experience-title h3 {
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .experience-company {
            color: var(--accent);
            font-size: 1.1rem;
        }

        .experience-date {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .experience-description {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 1rem;
        }

        .experience-highlights {
            margin-top: 1.5rem;
        }

        .experience-highlights h4 {
            color: var(--text-primary);
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }

        .experience-highlights ul {
            list-style: none;
        }

        .experience-highlights li {
            color: var(--text-secondary);
            padding-left: 1.5rem;
            position: relative;
            margin-bottom: 0.8rem;
        }

        .experience-highlights li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--accent);
        }

        /* Education Section */
        .education-timeline {
            position: relative;
            padding: 2rem 0;
            margin-bottom: 4rem;
        }

        .timeline-line {
            position: absolute;
            left: 50px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--accent), #8b5cf6);
            border-radius: 3px;
        }

        .education-item {
            position: relative;
            margin-bottom: 3rem;
            padding-left: 100px;
        }

        .education-dot {
            position: absolute;
            left: 42px;
            top: 30px;
            width: 20px;
            height: 20px;
            background: var(--accent);
            border: 4px solid var(--primary);
            border-radius: 50%;
            z-index: 1;
            animation: pulse 2s ease infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }

        .education-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 15px;
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .education-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent), #8b5cf6);
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }

        .education-card:hover::before {
            transform: scaleY(1);
        }

        .education-card:hover {
            transform: translateX(10px);
            border-color: var(--accent);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
        }

        .education-header {
            display: flex;
            justify-content: space-between;
            align-items: start;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .degree-info h3 {
            color: var(--text-primary);
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
        }

        .university {
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
        }

        .specialization {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-style: italic;
        }

        .education-date {
            text-align: right;
        }

        .year {
            display: block;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 0.3rem;
        }

        .gpa {
            display: block;
            color: var(--accent);
            font-size: 0.9rem;
            font-weight: 600;
        }

        .education-details h4 {
            color: var(--text-primary);
            font-size: 1rem;
            margin-bottom: 0.5rem;
            margin-top: 1.5rem;
        }

        .education-details p {
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .education-achievements {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1rem 0;
        }

        .achievement-badge {
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
            color: var(--text-primary);
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid rgba(59, 130, 246, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .course-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .course-tags span {
            background: rgba(59, 130, 246, 0.05);
            color: var(--text-secondary);
            padding: 0.3rem 0.7rem;
            border-radius: 15px;
            font-size: 0.85rem;
            border: 1px solid rgba(59, 130, 246, 0.2);
            transition: all 0.3s ease;
        }

        .course-tags span:hover {
            background: rgba(59, 130, 246, 0.1);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        /* Executive Education */
        .exec-education-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .exec-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 15px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }

        .exec-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 15px 35px rgba(59, 130, 246, 0.15);
        }

        .exec-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .exec-card h4 {
            color: var(--text-primary);
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        .exec-institution {
            color: var(--accent);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 0.3rem;
        }

        .exec-year {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 1rem;
        }

        .exec-description {
            color: var(--text-secondary);
            line-height: 1.6;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }

        .exec-skills {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
        }

        .exec-skills span {
            background: rgba(59, 130, 246, 0.1);
            color: var(--text-primary);
            padding: 0.25rem 0.6rem;
            border-radius: 12px;
            font-size: 0.8rem;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

        /* Continuous Learning */
        .learning-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .stat-card {
            background: linear-gradient(135deg, var(--card-bg), rgba(59, 130, 246, 0.1));
            border: 1px solid var(--border);
            border-radius: 15px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: scale(1.05);
            border-color: var(--accent);
        }

        .stat-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--accent);
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .courses-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .course-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 1.5rem;
            transition: all 0.3s ease;
        }

        .course-card:hover {
            transform: translateY(-3px);
            border-color: var(--accent);
        }

        .course-platform {
            display: inline-block;
            background: var(--accent);
            color: white;
            padding: 0.2rem 0.6rem;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            text-transform: uppercase;
        }

        .course-card h4 {
            color: var(--text-primary);
            font-size: 1rem;
            margin-bottom: 0.5rem;
        }

        .course-card p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            margin-bottom: 1rem;
        }

        .course-progress {
            height: 6px;
            background: rgba(51, 65, 85, 0.5);
            border-radius: 10px;
            overflow: hidden;
        }

        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--accent), #10b981);
            border-radius: 10px;
            transition: width 1.5s ease;
        }

        /* Research Section */
        .research-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .research-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 15px;
            padding: 2rem;
            transition: all 0.3s ease;
        }

        .research-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
        }

        .research-type {
            display: inline-block;
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .research-card h4 {
            color: var(--text-primary);
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }

        .research-venue {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .research-authors {
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-style: italic;
            margin-bottom: 1rem;
        }

        .research-metrics {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .research-metrics span {
            background: rgba(59, 130, 246, 0.1);
            color: var(--text-primary);
            padding: 0.3rem 0.8rem;
            border-radius: 15px;
            font-size: 0.8rem;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

        /* Mobile Responsive for Education */
        @media (max-width: 768px) {
            .timeline-line {
                left: 20px;
            }

            .education-item {
                padding-left: 50px;
            }

            .education-dot {
                left: 12px;
            }

            .education-header {
                flex-direction: column;
            }

            .education-date {
                text-align: left;
            }

            .exec-education-grid {
                grid-template-columns: 1fr;
            }

            .learning-stats {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .research-grid {
                grid-template-columns: 1fr;
            }
        }
        .certifications-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .cert-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 15px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .cert-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
            transition: left 0.5s ease;
        }

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

        .cert-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
        }

        .cert-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            animation: bounce 2s ease infinite;
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .cert-card h3 {
            color: var(--text-primary);
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        .cert-issuer {
            color: var(--accent);
            font-size: 0.95rem;
            margin-bottom: 0.5rem;
        }

        .cert-date {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 1rem;
        }

        .cert-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent), #8b5cf6);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* Awards Timeline */
        .awards-section {
            margin-top: 4rem;
        }

        .awards-timeline {
            position: relative;
            padding: 2rem 0;
        }

        .awards-timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--accent);
            transform: translateX(-50%);
        }

        .award-item {
            display: flex;
            align-items: center;
            margin-bottom: 3rem;
            position: relative;
        }

        .award-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .award-year {
            flex: 0 0 100px;
            text-align: center;
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--accent);
            position: relative;
        }

        .award-year::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background: var(--accent);
            border-radius: 50%;
            top: 50%;
            transform: translateY(-50%);
        }

        .award-item:nth-child(odd) .award-year::after {
            right: -60px;
        }

        .award-item:nth-child(even) .award-year::after {
            left: -60px;
        }

        .award-content {
            flex: 1;
            background: var(--card-bg);
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid var(--border);
            margin: 0 3rem;
            transition: all 0.3s ease;
        }

        .award-content:hover {
            transform: scale(1.02);
            border-color: var(--accent);
        }

        .award-content h4 {
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .award-content p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .award-tag {
            display: inline-block;
            background: rgba(59, 130, 246, 0.1);
            color: var(--accent);
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.8rem;
        }

        /* Projects Section */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .project-card {
            background: var(--card-bg);
            border-radius: 15px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
            border-color: var(--accent);
        }

        .project-header {
            padding: 2rem;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.05));
            border-bottom: 1px solid var(--border);
        }

        .project-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .project-title {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
        }

        .project-type {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .project-body {
            padding: 2rem;
        }

        .project-description {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            line-height: 1.8;
        }

        .project-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .tech-tag {
            background: rgba(59, 130, 246, 0.1);
            color: var(--accent);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid rgba(59, 130, 246, 0.3);
            transition: all 0.3s ease;
        }

        .tech-tag:hover {
            background: rgba(59, 130, 246, 0.2);
            transform: scale(1.05);
        }

        .project-metrics {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
        }

        .metric {
            text-align: center;
        }

        .metric-value {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--accent);
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Skills Section Enhanced Styles */
        .tech-stack-section {
            margin-bottom: 4rem;
        }

        .tech-stack-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .tech-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 15px;
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .tech-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .tech-card:hover::before {
            transform: scaleX(1);
        }

        .tech-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
        }

        .tech-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .tech-card h4 {
            color: var(--text-primary);
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
        }

        .tech-details {
            margin-bottom: 1.5rem;
        }

        .tech-item {
            color: var(--text-secondary);
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(51, 65, 85, 0.5);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .tech-item:last-child {
            border-bottom: none;
        }

        .tech-item:hover {
            color: var(--text-primary);
            padding-left: 0.5rem;
        }

        .proficiency-bar {
            height: 8px;
            background: rgba(51, 65, 85, 0.5);
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 0.5rem;
        }

        .proficiency-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent), #8b5cf6);
            border-radius: 10px;
            transition: width 1.5s ease;
            animation: shimmer 2s ease infinite;
        }

        @keyframes shimmer {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.8; }
        }

        .proficiency-label {
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
        }

       
        /* Skills Section Enhanced Styles */
        .tech-stack-section {
            margin-bottom: 4rem;
        }

        .tech-stack-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .tech-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 15px;
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .tech-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .tech-card:hover::before {
            transform: scaleX(1);
        }

        .tech-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
        }

        .tech-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .tech-card h4 {
            color: var(--text-primary);
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
        }

        .tech-details {
            margin-bottom: 1.5rem;
        }

        .tech-item {
            color: var(--text-secondary);
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(51, 65, 85, 0.5);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .tech-item:last-child {
            border-bottom: none;
        }

        .tech-item:hover {
            color: var(--text-primary);
            padding-left: 0.5rem;
        }

        .proficiency-bar {
            height: 8px;
            background: rgba(51, 65, 85, 0.5);
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 0.5rem;
        }

        .proficiency-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent), #8b5cf6);
            border-radius: 10px;
            transition: width 1.5s ease;
            animation: shimmer 2s ease infinite;
        }

        @keyframes shimmer {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.8; }
        }

        .proficiency-label {
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
        }

        /* Languages Section */
        .languages-section {
            margin: 4rem 0;
        }

        .language-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 2rem;
        }

        .language-item {
            background: var(--card-bg);
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .language-item:hover {
            transform: translateX(5px);
            border-color: var(--accent);
        }

        .language-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .language-name {
            font-size: 1.1rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        .language-level {
            color: var(--accent);
            font-weight: bold;
        }

        .language-bar {
            height: 10px;
            background: rgba(51, 65, 85, 0.5);
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 1rem;
        }

        .language-progress {
            height: 100%;
            background: linear-gradient(90deg, var(--accent), #8b5cf6);
            border-radius: 10px;
            transition: width 1.5s ease;
        }

        .language-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .language-tags span {
            background: rgba(59, 130, 246, 0.1);
            color: var(--text-secondary);
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.8rem;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

        /* Skills Matrix */
        .skills-matrix {
            margin-top: 4rem;
        }

        .skill-item[data-level="expert"] {
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
            border-color: var(--accent);
        }

        .skill-item[data-level="advanced"] {
            background: rgba(59, 130, 246, 0.15);
            border-color: rgba(59, 130, 246, 0.5);
        }

        .skill-item[data-level="intermediate"] {
            background: rgba(59, 130, 246, 0.1);
            border-color: rgba(59, 130, 246, 0.3);
        }

        /* Project Filters */
        .project-filters {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .filter-btn {
            padding: 0.75rem 1.5rem;
            background: transparent;
            color: var(--text-secondary);
            border: 2px solid var(--border);
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .filter-btn:hover {
            color: var(--text-primary);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .filter-btn.active {
            background: var(--accent);
            color: white;
            border-color: var(--accent);
        }

        .filter-badge {
            position: absolute;
            top: -8px;
            right: -8px;
            background: linear-gradient(135deg, #10b981, #059669);
            color: white;
            padding: 0.15rem 0.5rem;
            border-radius: 10px;
            font-size: 0.65rem;
            font-weight: 600;
            text-transform: uppercase;
            animation: badgePulse 2s ease infinite;
        }

         @keyframes badgePulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .filter-btn.active .filter-badge {
            background: white;
            color: var(--accent);
        }

        /* Project Card Enhancements */
        .project-status-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: linear-gradient(135deg, #10b981, #059669);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            z-index: 1;
        }

        .project-card[data-category] {
            position: relative;
        }

        .project-features {
            margin: 1.5rem 0;
            padding: 1rem;
            background: rgba(15, 23, 42, 0.5);
            border-radius: 10px;
            border: 1px solid rgba(51, 65, 85, 0.5);
        }

        .project-features h4 {
            color: var(--accent);
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .project-features ul {
            list-style: none;
        }

        .project-features li {
            color: var(--text-secondary);
            padding: 0.4rem 0;
            padding-left: 1.5rem;
            position: relative;
            font-size: 0.9rem;
        }

        .project-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #10b981;
            font-weight: bold;
        }

        .project-metrics {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
        }

        .metric {
            text-align: center;
            padding: 0.5rem;
            background: rgba(59, 130, 246, 0.05);
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .metric:hover {
            background: rgba(59, 130, 246, 0.1);
            transform: scale(1.05);
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .tech-stack-grid {
                grid-template-columns: 1fr;
            }

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

            .project-filters {
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 0.5rem;
            }

            .filter-btn {
                white-space: nowrap;
            }
        }

        /* Certifications Section */
        .certifications-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .cert-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 15px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .cert-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
            transition: left 0.5s ease;
        }

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

        .cert-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
        }

        .cert-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            animation: bounce 2s ease infinite;
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .cert-card h3 {
            color: var(--text-primary);
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        .cert-issuer {
            color: var(--accent);
            font-size: 0.95rem;
            margin-bottom: 0.5rem;
        }

        .cert-date {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 1rem;
        }

        .cert-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent), #8b5cf6);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* Awards Timeline */
        .awards-section {
            margin-top: 4rem;
        }

        .awards-timeline {
            position: relative;
            padding: 2rem 0;
        }

        .awards-timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--accent);
            transform: translateX(-50%);
        }

        .award-item {
            display: flex;
            align-items: center;
            margin-bottom: 3rem;
            position: relative;
        }

        .award-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .award-year {
            flex: 0 0 100px;
            text-align: center;
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--accent);
            position: relative;
        }

        .award-year::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background: var(--accent);
            border-radius: 50%;
            top: 50%;
            transform: translateY(-50%);
        }

        .award-item:nth-child(odd) .award-year::after {
            right: -60px;
        }

        .award-item:nth-child(even) .award-year::after {
            left: -60px;
        }

        .award-content {
            flex: 1;
            background: var(--card-bg);
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid var(--border);
            margin: 0 3rem;
            transition: all 0.3s ease;
        }

        .award-content:hover {
            transform: scale(1.02);
            border-color: var(--accent);
        }

        .award-content h4 {
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .award-content p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .award-tag {
            display: inline-block;
            background: rgba(59, 130, 246, 0.1);
            color: var(--accent);
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.8rem;
        }

        /* Speaking Section */
        .speaking-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .speaking-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 15px;
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .speaking-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 15px 35px rgba(59, 130, 246, 0.15);
        }

        .speaking-type {
            display: inline-block;
            font-size: 1rem;
            margin-bottom: 1rem;
            color: var(--accent);
        }

        .speaking-card h3 {
            color: var(--text-primary);
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
        }

        .speaking-event {
            color: var(--accent);
            font-size: 0.95rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .speaking-description {
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .speaking-stats {
            display: flex;
            gap: 1rem;
        }

        .speaking-stats span {
            background: rgba(59, 130, 246, 0.1);
            color: var(--text-primary);
            padding: 0.3rem 0.8rem;
            border-radius: 15px;
            font-size: 0.85rem;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

        /* Enhanced Contact Section */
        .contact-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin: 1rem auto;
            max-width: 800px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem;
            background: var(--card-bg);
            border-radius: 10px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .contact-item:hover {
            transform: translateY(-3px);
            border-color: var(--accent);
        }

        .contact-icon {
            font-size: 2rem;
        }

        .contact-item h4 {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 0.25rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .contact-item p {
            color: var(--text-primary);
            font-size: 1rem;
        }

        .contact-buttons {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem auto;
            max-width: 800px;
        }

        /* Mobile Responsive Updates */
        @media (max-width: 768px) {
            .awards-timeline::before {
                left: 30px;
            }

            .award-item {
                flex-direction: column !important;
                align-items: flex-start;
                padding-left: 60px;
            }

            .award-year {
                position: absolute;
                left: 0;
                top: 0;
                font-size: 1rem;
            }

            .award-year::after {
                left: 30px !important;
                right: auto !important;
            }

            .award-content {
                margin: 0;
                width: 100%;
            }

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

            .contact-info {
                grid-template-columns: 1fr;
            }
        }

        .btn {
            padding: 1rem 2rem;
            background: var(--accent);
            color: white;
            text-decoration: none;
            border-radius: 10px;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }

        .btn:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
        }

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

        .btn-outline:hover {
            background: var(--accent);
            color: white;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 2rem;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
        }

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

            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

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

            .hero-stats {
                grid-template-columns: 1fr;
            }

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

            .contact-buttons {
                flex-direction: column;
            }
        }