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

        :root {
            --primary-color: #2563eb;
            --secondary-color: #1e40af;
            --accent-color: #3b82f6;
            --dark-bg: #0f172a;
            --card-bg: #1e293b;
            --text-primary: #f8fafc;
            --text-secondary: #cbd5e1;
            --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Navigation */
        .nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(15, 23, 42, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        .nav.scrolled {
            background: rgba(15, 23, 42, 0.95);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

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

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

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

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

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

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            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="%23ffffff" fill-opacity="0.05" points="0,1000 1000,0 1000,1000"/></svg>');
            background-size: cover;
        }

        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            text-align: center;
            z-index: 1;
            position: relative;
        }

        .hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            margin-bottom: 1rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeInUp 1s ease;
        }

        .hero-subtitle {
            font-size: clamp(1.2rem, 3vw, 1.5rem);
            color: var(--text-secondary);
            margin-bottom: 2rem;
            animation: fadeInUp 1s ease 0.2s both;
        }

        .hero-description {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 3rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            animation: fadeInUp 1s ease 0.4s both;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 1s ease 0.6s both;
        }

        .btn {
            padding: 0.75rem 2rem;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-primary {
            background: var(--gradient);
            color: white;
            transform: translateY(0);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(59, 130, 246, 0.4);
        }

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

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

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

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 3rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 4rem;
            align-items: center;
        }

        .about-image {
            text-align: center;
        }

        .profile-img {
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            font-size: 8rem;
            color: white;
            box-shadow: var(--shadow);
        }

        .about-text {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .about-text h3 {
            color: var(--text-primary);
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }

        /* Skills Section */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .skill-category {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 2rem;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease;
        }

        .skill-category:hover {
            transform: translateY(-5px);
        }

        .skill-category h3 {
            color: var(--accent-color);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        .skill-tag {
            background: rgba(59, 130, 246, 0.1);
            color: var(--accent-color);
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-size: 0.9rem;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

        /* Experience Section */
        .experience-item {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--accent-color);
        }

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

        .experience-title {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .experience-company {
            color: var(--accent-color);
            font-weight: 600;
        }

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

        .experience-description {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .experience-description ul {
            margin-left: 1.5rem;
            margin-top: 1rem;
        }

        .experience-description li {
            margin-bottom: 0.5rem;
        }

        /* Contact Section */
        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
        }

        .contact-info {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 2rem;
            box-shadow: var(--shadow);
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding: 1rem;
            border-radius: 10px;
            transition: background 0.3s ease;
        }

        .contact-item:hover {
            background: rgba(59, 130, 246, 0.1);
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
        }

        .contact-details h4 {
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }

        .contact-details p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .contact-details a {
            color: var(--accent-color);
            text-decoration: none;
        }

        .contact-details a:hover {
            text-decoration: underline;
        }

        .contact-form {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 2rem;
            box-shadow: var(--shadow);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid rgba(59, 130, 246, 0.2);
            border-radius: 10px;
            background: rgba(59, 130, 246, 0.05);
            color: var(--text-primary);
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent-color);
        }

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

        /* Footer */
        .footer {
            background: var(--card-bg);
            padding: 3rem 0;
            text-align: center;
            margin-top: 5rem;
        }

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

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .social-link {
            width: 50px;
            height: 50px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            font-size: 1.5rem;
            transition: transform 0.3s ease;
        }

        .social-link:hover {
            transform: translateY(-3px);
        }

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

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

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

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

            .mobile-menu {
                display: block;
            }

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

            .contact-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

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

            .profile-img {
                width: 200px;
                height: 200px;
                font-size: 6rem;
            }

            .section {
                padding: 3rem 0;
            }
        }

        /* Scroll indicator */
        .scroll-indicator {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: rgba(59, 130, 246, 0.2);
            z-index: 1001;
        }

        .scroll-progress {
            height: 100%;
            background: var(--gradient);
            width: 0;
            transition: width 0.3s ease;
        }

        /* Floating animation for hero */
        .floating {
            animation: floating 3s ease-in-out infinite;
        }

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