:root {
            --primary-color: #2c3e50;
            --secondary-color: #34495e;
            --accent-color: #3498db;
            --gold-color: #f39c12;
            --text-light: #ecf0f1;
            --text-dark: #2c3e50;
            --bg-light: #f8f9fa;
        }

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

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

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

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(44, 62, 80, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
        }

        .logo {
            color: var(--text-light);
            font-size: 1.5rem;
            font-weight: bold;
        }

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

        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            transition: color 0.3s ease;
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: width 0.3s ease;
        }

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

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

        /* Hero Section */
        .hero {
            min-height: 100vh;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,800 1000,1000"/></svg>');
            background-size: cover;
        }

        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-text h1 {
            font-size: 3.5rem;
            color: var(--text-light);
            margin-bottom: 1rem;
            animation: fadeInUp 1s ease;
        }

        .hero-text .subtitle {
            font-size: 1.3rem;
            color: var(--accent-color);
            margin-bottom: 2rem;
            animation: fadeInUp 1s ease 0.2s both;
        }

        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 2rem;
            animation: fadeInUp 1s ease 0.4s both;
        }

        .hero-image {
            text-align: center;
            animation: fadeInRight 1s ease 0.6s both;
        }

        .profile-img {
            width: 300px;
            height: 300px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid var(--gold-color);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
            transition: transform 0.3s ease;
        }

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

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }

        .social-links a {
            width: 50px;
            height: 50px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.2rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

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

        /* Section Styling */
        .section {
            padding: 5rem 0;
        }

        .section:nth-child(even) {
            background: var(--bg-light);
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: var(--primary-color);
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--accent-color);
        }

        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 3rem;
            align-items: start;
        }

        .research-interests {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .research-interests h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        .interests-list {
            list-style: none;
        }

        .interests-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #eee;
            position: relative;
            padding-left: 1.5rem;
        }

        .interests-list li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--accent-color);
            font-weight: bold;
        }

        .research-summary {
            font-size: 1.1rem;
            line-height: 1.8;
        }

        /* Skills Section */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .skill-category {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            border-left: 4px solid var(--accent-color);
        }

        .skill-category:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }

        .skill-category h3 {
            margin-bottom: 1.5rem;
            color: var(--primary-color);
            font-size: 1.2rem;
        }

        .skill-category h3 i {
            margin-right: 0.5rem;
            color: var(--accent-color);
        }

        .skill-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .skill-tag {
            background: var(--bg-light);
            color: var(--text-dark);
            padding: 0.5rem 1rem;
            border-radius: 25px;
            font-size: 0.9rem;
            border: 1px solid #e0e0e0;
            transition: all 0.3s ease;
        }

        .skill-tag:hover {
            background: var(--accent-color);
            color: white;
            transform: translateY(-2px);
        }

        /* Education Section */
        .education-grid {
            display: grid;
            gap: 1.5rem;
        }

        .education-item {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 2rem;
            border-radius: 15px;
            color: white;
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .education-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
        }

        .education-item::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transform: translate(30px, -30px);
        }

        .education-content {
            flex: 1;
            z-index: 2;
            position: relative;
        }

        .education-meta {
            text-align: right;
            z-index: 2;
            position: relative;
        }

        .degree {
            font-size: 1.4rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        .university {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 0.5rem;
        }

        .cgpa {
            background: rgba(255, 255, 255, 0.2);
            padding: 0.4rem 1rem;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: bold;
            display: inline-block;
            backdrop-filter: blur(10px);
        }

        .year {
            font-size: 1.2rem;
            font-weight: bold;
            color: #ffd700;
            margin-bottom: 0.5rem;
        }

        .view-btn {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 0.5rem 1rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 25px;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            display: inline-block;
            margin-top: 0.5rem;
        }

        .view-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        /* Publications Section */
        .publications-grid {
            display: grid;
            gap: 1.5rem;
        }

        .publication-item {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 2rem;
            border-radius: 15px;
            color: white;
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 2rem;
        }

        .publication-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
        }

        .publication-item::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transform: translate(30px, -30px);
        }

        .publication-content {
            flex: 1;
            z-index: 2;
            position: relative;
        }

        .publication-meta {
            text-align: right;
            z-index: 2;
            position: relative;
            min-width: 150px;
        }

        .pub-title {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .pub-journal {
            font-style: italic;
            opacity: 0.9;
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .pub-year {
            font-size: 1.1rem;
            font-weight: bold;
            color: #ffd700;
            margin-bottom: 0.5rem;
        }

        .pub-link {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 0.5rem 1rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 25px;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            display: inline-block;
        }

        .pub-link:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        /* Experience Section */
        .experience-timeline {
            position: relative;
            padding-left: 2rem;
        }

        .experience-timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--accent-color);
        }

        .experience-item {
            position: relative;
            background: white;
            padding: 2rem;
            margin-bottom: 2rem;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            margin-left: 2rem;
        }

        .experience-item::before {
            content: '';
            position: absolute;
            left: -3rem;
            top: 2rem;
            width: 12px;
            height: 12px;
            background: var(--accent-color);
            border-radius: 50%;
        }

        .job-title {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .company {
            color: var(--accent-color);
            font-weight: bold;
            margin-bottom: 0.5rem;
        }

        .period {
            background: var(--gold-color);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            display: inline-block;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .job-description ul {
            list-style: none;
            padding-left: 0;
        }

        .job-description li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.5rem;
        }

        .job-description li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--accent-color);
            font-weight: bold;
        }

        /* Training Section */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 1.5rem;
        }

        .training-item {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            border-left: 4px solid var(--accent-color);
        }

        .training-item:hover {
            transform: translateY(-5px);
        }

        .training-title {
            font-weight: bold;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .training-org {
            color: var(--accent-color);
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
        }

        .training-year {
            color: #666;
            font-size: 0.85rem;
        }

        /* Awards Section */
        .awards-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 1rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .award-item {
            background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
            padding: 1.2rem;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            border: 1px solid rgba(52,152,219,0.1);
            display: flex;
            align-items: center;
            gap: 1rem;
            position: relative;
            overflow: hidden;
        }

        .award-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(135deg, var(--accent-color), #2980b9);
        }

        .award-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(52,152,219,0.15);
            border-color: var(--accent-color);
        }

        .award-icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--accent-color), #2980b9);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            position: relative;
            overflow: hidden;
        }

        .award-icon::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 20px;
            height: 20px;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            transform: translate(6px, -6px);
        }

        .award-text {
            flex: 1;
        }

        .award-text h4 {
            color: var(--primary-color);
            margin: 0;
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
        }

        /* Memberships Section */
        .memberships-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .membership-item {
            background: linear-gradient(135deg, var(--accent-color) 0%, #2980b9 100%);
            padding: 1.5rem;
            border-radius: 15px;
            color: white;
            text-align: center;
            transition: transform 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .membership-item::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transform: translate(30px, -30px);
        }

        .membership-item:hover {
            transform: translateY(-5px) scale(1.02);
        }

        .membership-item i {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: #ffd700;
        }

        .membership-name {
            font-weight: bold;
            font-size: 1.1rem;
            line-height: 1.3;
        }

        /* Contact Section */
        .contact {
            background: var(--primary-color);
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }

        .contact::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle fill="rgba(255,255,255,0.05)" cx="200" cy="200" r="300"/><circle fill="rgba(255,255,255,0.03)" cx="800" cy="600" r="400"/></svg>');
            background-size: cover;
        }

        .contact .section-title {
            color: var(--text-light);
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
            position: relative;
            z-index: 2;
        }

        .contact-info {
            background: rgba(255, 255, 255, 0.1);
            padding: 2.5rem;
            border-radius: 20px;
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-info h3 {
            color: #ffd700;
            margin-bottom: 2rem;
            font-size: 1.5rem;
            font-weight: bold;
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            transition: transform 0.3s ease;
        }

        .contact-item:hover {
            transform: translateX(10px);
            background: rgba(255, 255, 255, 0.15);
        }

        .contact-item i {
            color: #ffd700;
            margin-right: 1rem;
            width: 20px;
            font-size: 1.2rem;
        }

        .contact-item span {
            font-size: 1rem;
            font-weight: 500;
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.15);
            padding: 2.5rem;
            border-radius: 20px;
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-form h3 {
            color: #ffd700;
            margin-bottom: 2rem;
            font-size: 1.5rem;
            font-weight: bold;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 0rem;
        }

        .form-group {
            margin-bottom: 1rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.9rem;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            backdrop-filter: blur(10px);
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #ffd700;
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }

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

        .btn-submit {
            background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
            color: #333;
            padding: 1rem 2.5rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            transition: all 0.3s ease;
            width: 100%;
            position: relative;
            overflow: hidden;
        }

        .btn-submit::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: left 0.5s ease;
        }

        .btn-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255, 215, 0, 0.4);
        }

        .btn-submit:hover::before {
            left: 100%;
        }

        /* Footer */
        .footer {
            background: var(--secondary-color);
            color: var(--text-light);
            text-align: center;
            padding: 2rem 0;
        }

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

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

        /* Scroll animations */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .mobile-menu {
                display: block;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--primary-color);
                padding: 2rem;
                flex-direction: column;
                text-align: center;
            }

            .nav-links.active {
                display: flex;
            }

            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 2rem;
            }

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

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

            .profile-img {
                width: 250px;
                height: 250px;
            }

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

            .form-row {
                grid-template-columns: 1fr;
            }
        }