/* Base Styles & Variables */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #0f172a;
            --accent: #10b981;
            --light: #f8fafc;
            --gray: #64748b;
            --light-gray: #e2e8f0;
            --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--secondary);
            background-color: #fff;
            overflow-x: hidden;
            animation: fadeIn 1s ease-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 80px 0;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        section.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        h1, h2, h3, h4 {
            line-height: 1.2;
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        h1 {
            font-size: 2.8rem;
            animation: slideInLeft 1s ease-out;
        }
        
        @keyframes slideInLeft {
            from { transform: translateX(-50px); opacity: 0; }
            to { transform: translateX(0); opacity: 1; }
        }
        
        h2 {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 50px;
            position: relative;
            animation: fadeInUp 1s ease-out 0.3s both;
        }
        
        @keyframes fadeInUp {
            from { transform: translateY(20px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }
        
        h2:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--primary);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            animation: expandWidth 1s ease-out 0.8s both;
        }
        
        @keyframes expandWidth {
            from { width: 0; }
            to { width: 80px; }
        }
        
        h3 {
            font-size: 1.5rem;
        }
        
        p {
            margin-bottom: 15px;
            color: var(--gray);
        }
        
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .btn:after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 5px;
            height: 5px;
            background: rgba(255, 255, 255, 0.5);
            opacity: 0;
            border-radius: 100%;
            transform: scale(1, 1) translate(-50%);
            transform-origin: 50% 50%;
        }
        
        .btn:hover:after {
            animation: ripple 1s ease-out;
        }
        
        @keyframes ripple {
            0% {
                transform: scale(0, 0);
                opacity: 0.5;
            }
            100% {
                transform: scale(40, 40);
                opacity: 0;
            }
        }
        
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            animation: slideDown 0.5s ease-out;
        }
        
        @keyframes slideDown {
            from { transform: translateY(-100%); }
            to { transform: translateY(0); }
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        
        /* Rounded Logo */
        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--secondary);
            animation: pulseLogo 2s infinite;
        }
        
        @keyframes pulseLogo {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .logo-circle {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 1.2rem;
            margin-right: 12px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .logo-circle:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 100%);
            border-radius: 50%;
        }
        
        .logo:hover .logo-circle {
            transform: rotate(360deg);
            transition: transform 0.8s ease;
        }
        
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        
        .logo-text span {
            color: var(--primary);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
            position: relative;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--secondary);
            font-weight: 600;
            transition: var(--transition);
            padding: 5px 0;
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary);
            bottom: 0;
            left: 0;
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover:after,
        .nav-links a.active:after {
            width: 100%;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--secondary);
            transition: var(--transition);
        }
        
        .mobile-menu-btn:hover {
            color: var(--primary);
            transform: rotate(90deg);
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            padding-top: 150px;
            padding-bottom: 100px;
            position: relative;
            overflow: hidden;
        }
        
        .hero:before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
            top: -50%;
            left: -50%;
            animation: float 20s infinite linear;
        }
        
        @keyframes float {
            0% { transform: translate(0, 0) rotate(0deg); }
            100% { transform: translate(-50px, -50px) rotate(360deg); }
        }
        
        .hero-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            z-index: 1;
        }
        
        .hero-content {
            flex: 1;
            max-width: 600px;
        }
        
        .hero-image {
            flex: 1;
            text-align: center;
            animation: floatImage 4s ease-in-out infinite;
        }
        
        @keyframes floatImage {
            0% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0); }
        }
        
        .hero-image img {
            max-width: 60%;
            height: 75vh;
            border-radius: 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 8px solid white;
        }
        
        .hero-image img:hover {
            transform: scale(1.02) rotate(1deg);
        }
        
        .hero h1 {
            margin-bottom: 15px;
        }
        
        .highlight {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }
        
        .highlight:after {
            content: '';
            position: absolute;
            width: 100%;
            height: 8px;
            background: rgba(37, 99, 235, 0.2);
            bottom: 5px;
            left: 0;
            z-index: -1;
            animation: highlightWidth 1s ease-out 1s both;
        }
        
        @keyframes highlightWidth {
            from { width: 0; }
            to { width: 100%; }
        }
        
        .tagline {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: var(--gray);
            animation: fadeInUp 1s ease-out 0.5s both;
        }
        
        .hero p {
            animation: fadeInUp 1s ease-out 0.7s both;
        }
        
        .cta-buttons {
            display: flex;
            gap: 15px;
            animation: fadeInUp 1s ease-out 0.9s both;
        }
        
        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            align-items: center;
        }
        
        .about-text p {
            margin-bottom: 20px;
            transition: var(--transition);
        }
        
        .about-text p:hover {
            transform: translateX(5px);
        }
        
        .education-info {
            background: var(--light);
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .education-info:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }
        
        .education-item {
            margin-bottom: 25px;
            padding-bottom: 25px;
            border-bottom: 1px solid var(--light-gray);
            transition: var(--transition);
        }
        
        .education-item:hover {
            transform: translateX(10px);
        }
        
        .education-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .edu-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        
        .education-item:hover .edu-icon {
            transform: scale(1.2) rotate(10deg);
        }
        
        /* Services Section */
        .services {
            background: #f8fafc;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .service-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.5s ease;
        }
        
        .service-card:hover:before {
            transform: scaleX(1);
        }
        
        .service-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }
        
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        
        .service-card:hover .service-icon {
            transform: scale(1.2) rotate(10deg);
        }
        
        .service-card h3 {
            margin-bottom: 15px;
            transition: var(--transition);
        }
        
        .service-card:hover h3 {
            color: var(--primary);
        }
        
        .service-features {
            list-style: none;
            margin-top: 20px;
        }
        
        .service-features li {
            margin-bottom: 8px;
            color: var(--gray);
            position: relative;
            padding-left: 25px;
            transition: var(--transition);
        }
        
        .service-features li:hover {
            transform: translateX(5px);
            color: var(--secondary);
        }
        
        .service-features li:before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
            transition: var(--transition);
        }
        
        .service-features li:hover:before {
            transform: scale(1.3);
        }
        
        /* Projects Section */
        .projects {
            background: #fff;
        }
        
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .project-card {
            background: #f8fafc;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }
        
        .project-card:after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, transparent 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .project-card:hover:after {
            opacity: 1;
        }
        
        .project-card:hover {
            transform: translateY(-15px) scale(1.03);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }
        
        /* Skills Section */
        .skills-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }
        
        .skill-category h3 {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        
        .skill-category h3 i {
            margin-right: 10px;
            color: var(--primary);
            transition: var(--transition);
        }
        
        .skill-category:hover h3 i {
            transform: rotate(15deg) scale(1.2);
        }
        
        .skill-items {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .skill-item {
            background: var(--light);
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            color: var(--secondary);
            border: 1px solid var(--light-gray);
            transition: var(--transition);
        }
        
        .skill-item:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        
        /* Timeline Section */
        .timeline {
            background: #f8fafc;
        }
        
        .timeline-container {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .timeline-item {
            position: relative;
            padding-left: 30px;
            margin-bottom: 40px;
            opacity: 0;
            transform: translateX(-20px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .timeline-item.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .timeline-item:before {
            content: '';
            position: absolute;
            left: 0;
            top: 5px;
            width: 15px;
            height: 15px;
            background: var(--primary);
            border-radius: 50%;
            transition: var(--transition);
            z-index: 2;
        }
        
        .timeline-item:hover:before {
            transform: scale(1.5);
            box-shadow: 0 0 0 5px rgba(37, 99, 235, 0.2);
        }
        
        .timeline-item:after {
            content: '';
            position: absolute;
            left: 7px;
            top: 20px;
            width: 2px;
            height: calc(100% + 25px);
            background: var(--light-gray);
            transition: var(--transition);
        }
        
        .timeline-item:hover:after {
            background: var(--primary);
        }
        
        .timeline-item:last-child:after {
            display: none;
        }
        
        .timeline-date {
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 5px;
            transition: var(--transition);
        }
        
        .timeline-item:hover .timeline-date {
            transform: translateX(5px);
        }
        
        /* Contact Section */
        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }
        
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            padding: 20px;
            background: white;
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .contact-item:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-top: 5px;
            transition: var(--transition);
        }
        
        .contact-item:hover .contact-icon {
            transform: scale(1.3) rotate(10deg);
        }
        
        .contact-form {
            background: var(--light);
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .contact-form:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--light-gray);
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
            transform: translateY(-2px);
        }
        
        /* Social Icons */
        .social-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            color: white;
            text-decoration: none;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }
        
        .social-icon:before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }
        
        .social-icon:hover:before {
            transform: translateY(0);
        }
        
        .social-icon:hover {
            transform: translateY(-5px) scale(1.1);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
        }
        
        /* Quick Contact Buttons */
        .quick-contact {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 50px;
        }
        
        .quick-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            color: white;
            padding: 20px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .quick-btn:before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            transform: translateX(-100%);
            transition: transform 0.5s ease;
        }
        
        .quick-btn:hover:before {
            transform: translateX(100%);
        }
        
        .quick-btn:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
        }
        
        /* Footer */
        footer {
            background: var(--secondary);
            color: white;
            padding: 50px 0 30px;
            position: relative;
            overflow: hidden;
        }
        
        footer:before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
            top: -50%;
            left: -50%;
            animation: float 30s infinite linear reverse;
        }
        
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        
        .footer-logo {
            display: flex;
            align-items: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 20px;
            animation: pulseLogo 3s infinite;
        }
        
        .footer-logo .logo-circle {
            width: 60px;
            height: 60px;
            font-size: 1.5rem;
            margin-right: 15px;
        }
        
        .footer-logo span {
            color: var(--primary);
        }
        
        .footer-links {
            display: flex;
            list-style: none;
            margin-bottom: 30px;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }
        
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        
        .footer-links a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary);
            bottom: 0;
            left: 0;
            transition: width 0.3s ease;
        }
        
        .footer-links a:hover:after {
            width: 100%;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .social-links {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .copyright {
            color: #94a3b8;
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            width: 100%;
        }
        
        /* Scroll to Top Button */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.2rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(20px);
            z-index: 999;
        }
        
        .scroll-top.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .scroll-top:hover {
            background: var(--primary-dark);
            transform: translateY(-5px) scale(1.1);
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            h1 {
                font-size: 2.4rem;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            .hero-container {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-content {
                margin-bottom: 50px;
            }
            
            .cta-buttons {
                justify-content: center;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(10px);
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
                transform: translateY(-100%);
                opacity: 0;
                transition: var(--transition);
                z-index: 999;
            }
            
            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            section {
                padding: 60px 0;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            
            h2 {
                font-size: 1.8rem;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                text-align: center;
            }
            
            .logo-circle {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            
            .logo {
                font-size: 1.2rem;
            }
        }