:root {
            --primary-color: #2563eb;
            --secondary-color: #1e40af;
            --accent-color: #3b82f6;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --background: #ffffff;
            --surface: #f8fafc;
            --border: #e5e7eb;
            --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }

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

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

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

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            transition: all 0.3s ease;
            border-bottom: 1px solid var(--border);
        }

        nav .container {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 1rem 2rem;
        }

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

        nav a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

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

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

        nav a:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            color: white;
            text-align: 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(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>');
            background-size: cover;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            animation: fadeInUp 1s ease-out;
        }

        .hero h1 {
            font-size: 4rem;
            font-weight: 700;
            margin-bottom: 1rem;
            background: linear-gradient(45deg, #fff, #e0e7ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        .counter-text {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            padding: 1rem 2rem;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            backdrop-filter: blur(10px);
            display: inline-block;
        }

        #counter {
            font-weight: 600;
            color: #fbbf24;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 2rem;
        }

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

        .social-links a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }

        .scroll-indicator {
            position: absolute;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            color: white;
            font-size: 2rem;
            animation: bounce 2s infinite;
        }

        /* Sections */
        section {
            padding: 6rem 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--primary-color);
            border-radius: 2px;
        }

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

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

        .profile-image img {
            width: 300px;
            height: 300px;
            border-radius: 50%;
            object-fit: cover;
            border: 8px solid var(--primary-color);
            box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
            transition: transform 0.3s ease;
        }

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

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

        .about-text h3 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
        }

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

        /* Experience Section */
        .experience {
            background: var(--surface);
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 100%;
            background: var(--primary-color);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 3rem;
            width: 50%;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            padding-right: 3rem;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            padding-left: 3rem;
        }

        .timeline-content {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            position: relative;
            transition: transform 0.3s ease;
        }

        .timeline-content:hover {
            transform: translateY(-5px);
        }

        .timeline-content::before {
            content: '';
            position: absolute;
            top: 50%;
            width: 20px;
            height: 20px;
            background: var(--primary-color);
            border-radius: 50%;
            transform: translateY(-50%);
        }

        .timeline-item:nth-child(odd) .timeline-content::before {
            right: -3.5rem;
        }

        .timeline-item:nth-child(even) .timeline-content::before {
            left: -3.5rem;
        }

        .timeline-content h3 {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            color: var(--primary-color);
        }

        .timeline-content .role {
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 1rem;
        }

        .timeline-content ul {
            list-style: none;
            margin-top: 1rem;
        }

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

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

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

        .cert-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            text-align: center;
            transition: all 0.3s ease;
            border-top: 4px solid var(--primary-color);
        }

        .cert-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .cert-card h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        .cert-date {
            color: var(--text-light);
            font-weight: 500;
        }

        /* Contact Section */
        .contact {
            background: var(--surface);
        }

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

        .contact-info {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .contact-info h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
        }

        .contact-info p {
            margin-bottom: 1.5rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        .services {
            list-style: none;
            margin-top: 1.5rem;
        }

        .services li {
            margin-bottom: 1rem;
            padding-left: 2rem;
            position: relative;
            color: var(--text-dark);
        }

        .services li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
            font-size: 1.2rem;
        }

        .contact-form {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

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

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

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            font-family: inherit;
        }

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

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

        .submit-btn {
            width: 100%;
            padding: 1rem;
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

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

        .submit-btn:active {
            transform: translateY(0);
        }

        /* Footer */
        footer {
            background: var(--text-dark);
            color: white;
            text-align: center;
            padding: 3rem 0;
        }

        .footer-social {
            margin-bottom: 2rem;
        }

        .footer-social a {
            color: white;
            font-size: 1.5rem;
            margin: 0 1rem;
            transition: color 0.3s ease;
        }

        .footer-social a:hover {
            color: var(--accent-color);
        }

        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all 0.3s ease;
            opacity: 0;
            visibility: hidden;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }

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

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0) translateX(-50%);
            }
            40% {
                transform: translateY(-10px) translateX(-50%);
            }
            60% {
                transform: translateY(-5px) translateX(-50%);
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

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

            .profile-image img {
                width: 200px;
                height: 200px;
            }

            .timeline::before {
                left: 2rem;
            }

            .timeline-item {
                width: 100%;
                left: 0 !important;
                padding-left: 4rem !important;
                padding-right: 0 !important;
            }

            .timeline-item:nth-child(odd) .timeline-content::before,
            .timeline-item:nth-child(even) .timeline-content::before {
                left: -3.5rem;
            }

            nav ul {
                gap: 1rem;
            }

            .container {
                padding: 0 1rem;
            }
        }