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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        nav {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
            border-bottom: 1px solid #e0e0e0;
        }

        nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: #2c3e50;
        }

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

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: #2c3e50;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 50%;
            background-color: #2c3e50;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

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

        /* Hero Section */
        .hero {
            padding: 120px 0 80px;
            text-align: center;
            color: white;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            animation: fadeInUp 1s ease;
            font-weight: 300;
            letter-spacing: 2px;
        }

        .hero .subtitle {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            opacity: 0.9;
            animation: fadeInUp 1s ease 0.2s both;
            font-weight: 400;
        }

        .hero .contact-info {
            font-size: 1rem;
            margin-bottom: 2rem;
            opacity: 0.8;
            animation: fadeInUp 1s ease 0.3s both;
        }

        .cta-button {
            display: inline-block;
            padding: 15px 35px;
            background: rgba(255, 255, 255, 0.15);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 500;
            backdrop-filter: blur(10px);
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
            animation: fadeInUp 1s ease 0.4s both;
            margin: 0 10px;
        }

        .cta-button:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }

        /* Section Styles */
        .section {
            padding: 80px 0;
            background: white;
            margin: 20px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .section h2 {
            font-size: 2.5rem;
            margin-bottom: 3rem;
            text-align: center;
            color: #2c3e50;
            position: relative;
            font-weight: 300;
        }

        .section h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: #2c3e50;
            border-radius: 2px;
        }

        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 4rem;
            align-items: start;
        }

        .profile-section {
            text-align: center;
        }

        .profile-img {
            width: 250px;
            height: 250px;
            border-radius: 15px;
            overflow: hidden;
            margin: 0 auto 2rem;
            border: 3px solid #e0e0e0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .profile-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .contact-details {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 4px solid #2c3e50;
        }

        .contact-details h4 {
            color: #2c3e50;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }

        .contact-details p {
            margin: 0.5rem 0;
            font-size: 0.9rem;
            color: #666;
        }

        .about-text {
            font-size: 1.1rem;
            color: #666;
            line-height: 1.8;
        }

        .research-interests {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 2rem;
        }

        .interest-tag {
            background: #2c3e50;
            color: white;
            padding: 8px 16px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .interest-tag:hover {
            background: #34495e;
            transform: translateY(-2px);
        }

        /* Skills Grid */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .skill-category {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            border-left: 4px solid #2c3e50;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .skill-category:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }

        .skill-category h4 {
            color: #2c3e50;
            margin-bottom: 1rem;
            font-size: 1.2rem;
            font-weight: 600;
        }

        .skill-category ul {
            list-style: none;
        }

        .skill-category li {
            padding: 5px 0;
            color: #666;
            position: relative;
            padding-left: 15px;
        }

        .skill-category li::before {
            content: '▪';
            color: #2c3e50;
            position: absolute;
            left: 0;
        }

        /* Experience Section */
        .experience-item {
            margin-bottom: 3rem;
            padding: 2rem;
            background: #f8f9fa;
            border-radius: 10px;
            border-left: 4px solid #2c3e50;
        }

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

        .experience-title {
            color: #2c3e50;
            font-size: 1.3rem;
            font-weight: 600;
        }

        .experience-company {
            color: #666;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .experience-date {
            color: #999;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .experience-description ul {
            list-style: none;
            margin-top: 1rem;
        }

        .experience-description li {
            padding: 5px 0;
            color: #666;
            position: relative;
            padding-left: 20px;
        }

        .experience-description li::before {
            content: '→';
            color: #2c3e50;
            position: absolute;
            left: 0;
            font-weight: bold;
        }

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

        .project-card {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            border-left: 4px solid #2c3e50;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .project-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }

        .project-card h3 {
            color: #2c3e50;
            margin-bottom: 1rem;
            font-size: 1.3rem;
            font-weight: 600;
        }

        .project-card p {
            color: #666;
            line-height: 1.7;
        }

        .project-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 1.5rem;
        }

        .tech-tag {
            background: #e9ecef;
            color: #495057;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* CV Section */
        .cv-content {
            text-align: center;
        }

        .cv-button {
            display: inline-block;
            padding: 15px 40px;
            background: #2c3e50;
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            margin: 1rem;
            transition: all 0.3s ease;
        }

        .cv-button:hover {
            background: #34495e;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(44, 62, 80, 0.3);
        }

        /* Blog Section */
        .blog-content {
            text-align: center;
        }

        .blog-link {
            display: inline-block;
            padding: 15px 40px;
            background: #2c3e50;
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .blog-link:hover {
            background: #34495e;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(44, 62, 80, 0.3);
        }

        /* Footer */
        footer {
            background: #2c3e50;
            color: white;
            text-align: center;
            padding: 3rem 0;
            margin-top: 3rem;
        }

        .social-links {
            margin-top: 1.5rem;
        }

        .social-links a {
            color: white;
            margin: 0 1.5rem;
            text-decoration: none;
            font-size: 1.1rem;
            transition: color 0.3s ease;
            font-weight: 500;
        }

        .social-links a:hover {
            color: #bdc3c7;
        }
        .project-link {
            display: inline-block;
            margin-top: 10px;
            padding: 6px 12px;
            background: #0366d6;
            color: #fff;
            text-decoration: none;
            border-radius: 6px;
            font-size: 14px;
            transition: background 0.3s ease;
        }
        .project-link:hover {
            background: #024ea2;
        }


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

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

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

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

            .section {
                margin: 10px;
                padding: 40px 20px;
            }

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

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

            .experience-header {
                flex-direction: column;
                align-items: start;
            }
        }

        html {
            scroll-behavior: smooth;
        }