:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #0f172a;
            --light: #f8fafc;
            --gray: #64748b;
            --gray-light: #e2e8f0;
            --success: #10b981;
            --border-radius: 8px;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--secondary);
            background-color: #ffffff;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: var(--shadow);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }

        .logo span {
            color: var(--secondary);
        }

        .nav-links {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--secondary);
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--secondary);
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
        }

        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .hero-text {
            flex: 1;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 30px;
            max-width: 600px;
        }

        .highlight {
            color: var(--primary);
            font-weight: 600;
        }

        .cta-buttons {
            display: flex;
            gap: 15px;
            margin-top: 30px;
        }

        .btn {
            padding: 12px 28px;
            border-radius: var(--border-radius);
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
            font-family: 'Inter', sans-serif;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background-color: white;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: var(--primary);
            color: white;
        }

        .hero-image {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .avatar {
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 5rem;
            box-shadow: var(--shadow-lg);
        }

        .avatar > img {
            width: 400px;
            height: 400px;
            border-radius: 50%;
            object-fit: cover;
            object-position: 80% 10%; 
        }

        /* Section Styles */
        section {
            padding: 100px 0;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 60px;
            text-align: center;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            margin: 15px auto 0;
            border-radius: 2px;
        }

        /* Case Studies */
        .case-studies-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .case-study {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .case-study:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }

        .case-study-img {
            height: 200px;
            background-color: var(--gray-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray);
            font-size: 3rem;
        }

        .case-study-content {
            padding: 25px;
        }

        .case-study h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .case-study-role {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 15px;
            display: block;
        }

        .case-study-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 15px 0;
        }

        .tech-tag {
            background-color: var(--gray-light);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-family: 'JetBrains Mono', monospace;
        }

        .case-study-outcome {
            background-color: #f0f9ff;
            padding: 15px;
            border-radius: var(--border-radius);
            margin-top: 20px;
        }

        .case-study-outcome h4 {
            margin-bottom: 8px;
            font-size: 1rem;
        }

        /* Skills */
        .skills-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .skill-category {
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }

        .skill-category h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .skill-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--gray-light);
            display: flex;
            justify-content: space-between;
        }

        .skill-list li:last-child {
            border-bottom: none;
        }

        .skill-level {
            color: var(--success);
            font-weight: 600;
        }

        /* About */
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .about-text {
            flex: 2;
        }

        .about-text p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .about-stats {
            flex: 1;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .stat {
            text-align: center;
            padding: 25px;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            display: block;
        }

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

        /* Contact */
        .contact-container {
            display: flex;
            gap: 50px;
        }

        .contact-info {
            flex: 1;
        }

        .contact-info h3 {
            margin-bottom: 20px;
            font-size: 1.5rem;
        }

        .contact-details {
            margin-top: 30px;
        }

        .contact-detail {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .contact-form {
            flex: 2;
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--gray-light);
            border-radius: var(--border-radius);
            font-family: 'Inter', sans-serif;
            font-size: 1rem;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
        }

        /* Footer */
        footer {
            background-color: var(--secondary);
            color: white;
            padding: 60px 0 30px;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }

        .social-links {
            display: flex;
            gap: 20px;
        }

        .social-link {
            color: white;
            font-size: 1.3rem;
            transition: color 0.3s;
        }

        .social-link:hover {
            color: var(--primary);
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        /* Responsive Styles */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .contact-container {
                flex-direction: column;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .hero {
                padding: 140px 0 60px;
            }
            
            section {
                padding: 60px 0;
            }
            
            .avatar {
                width: 200px;
                height: 200px;
            }

            .avatar > img {
                width: 200px;
                height: 200px;
            }
            
            .about-stats {
                grid-template-columns: 1fr;
            }
        }