:root {
            --primary: #4361ee;
            --primary-light: #4895ef;
            --secondary: #3f37c9;
            --accent: #f72585;
            --dark: #1d3557;
            --light: #f8f9fa;
            --gray: #6c757d;
            --gray-light: #adb5bd;
            --text: #212529;
            --background: #ffffff;
            --card-bg: rgba(255, 255, 255, 0.8);
            --glass: rgba(255, 255, 255, 0.25);
            --shadow: rgba(0, 0, 0, 0.08);
            --shadow-lg: rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
            --footer-bg: #1d3557;
            --footer-text: #f8f9fa;
        }

        .dark-mode {
            --primary: #5e72e4;
            --primary-light: #7a8ef0;
            --secondary: #4a56d6;
            --accent: #ff6b9d;
            --dark: #f8f9fa;
            --light: #121212;
            --gray: #a0a0a0;
            --gray-light: #5a5a5a;
            --text: #e9ecef;
            --background: #1a1a1a;
            --card-bg: rgba(30, 30, 30, 0.8);
            --glass: rgba(30, 30, 30, 0.5);
            --shadow: rgba(0, 0, 0, 0.3);
            --shadow-lg: rgba(0, 0, 0, 0.5);
            --footer-bg: #0d1b2a;
            --footer-text: #e9ecef;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
            transition: background-color 0.3s, color 0.3s, border-color 0.3s;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--background);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
            background-attachment: fixed;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        header {
            background: var(--glass);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        header.scrolled {
            background: var(--card-bg);
            box-shadow: 0 5px 20px var(--shadow);
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
        }

        .logo span {
            color: var(--primary);
            margin-left: 5px;
        }

        .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            margin-left: 5px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            align-items: center;
        }

        .nav-links li {
            margin-left: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }

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

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

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

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

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

        .theme-toggle {
            background: none;
            border: none;
            color: var(--dark);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 5px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .theme-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        .dark-mode .theme-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .menu-toggle {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--dark);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: 100px 0 50px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
            top: -250px;
            right: -250px;
            opacity: 0.15;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
            bottom: -200px;
            left: -200px;
            opacity: 0.1;
        }

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

        .hero-text {
            flex: 1;
            max-width: 600px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(67, 97, 238, 0.1);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(67, 97, 238, 0.2);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 15px;
            color: var(--dark);
            opacity: 0;
            animation: fadeInUp 1s ease forwards;
        }

        .hero h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 20px;
            opacity: 0;
            animation: fadeInUp 1s ease 0.3s forwards;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0;
            animation: fadeInUp 1s ease 0.6s forwards;
        }

        .hero-btns {
            display: flex;
            gap: 15px;
            opacity: 0;
            animation: fadeInUp 1s ease 0.9s forwards;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            border: none;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
        }

        .btn-primary:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
        }

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

        .btn-outline:hover {
            background: rgba(67, 97, 238, 0.1);
            transform: translateY(-3px);
        }

        .hero-image {
            flex: 1;
            display: flex;
            justify-content: center;
            opacity: 0;
            animation: fadeIn 1s ease 1.2s forwards;
        }

        .hero-avatar {
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            box-shadow: 0 20px 40px var(--shadow-lg);
        }

        .hero-avatar::before {
            content: '';
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: var(--light);
        }

        .hero-avatar i {
            font-size: 8rem;
            color: var(--primary);
            z-index: 1;
        }

        /* Sections */
        section {
            padding: 100px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-subtitle {
            color: var(--primary);
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 10px;
            display: block;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--dark);
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--primary);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-text p {
            margin-bottom: 20px;
        }

        .skills-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .skill-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .skill-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px var(--shadow-lg);
        }

        .skill-card h4 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .skill-card h4 i {
            font-size: 1.2rem;
        }

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

        .skill-card li {
            margin-bottom: 8px;
            position: relative;
            padding-left: 20px;
        }

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

        /* Skill Progress Bars */
        .skill-bars {
            margin-top: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            column-gap: 50px; 
            row-gap: 10px; 
            align-items: center;
        }

        .skill-bar {
            margin-bottom: 25px;
        }

        .skill-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
        }

        .skill-name {
            font-weight: 600;
            color: var(--dark);
        }

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

        .skill-progress {
            height: 10px;
            background: rgba(0, 0, 0, 0.1);
            border-radius: 5px;
            overflow: hidden;
        }

        .dark-mode .skill-progress {
            background: rgba(255, 255, 255, 0.1);
        }

        .skill-progress-bar {
            height: 100%;
            background: linear-gradient(to right, var(--primary), var(--accent));
            border-radius: 5px;
            width: 0;
            transition: width 1.5s ease-in-out;
        }

        /* Experience Section */
        .timeline {
            position: relative;
            max-width: 1100px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
            border-radius: 2px;
        }

        .timeline-item {
            padding: 20px 40px;
            position: relative;
            width: 50%;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.5s ease;
        }

        .timeline-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .timeline-item:nth-child(odd) {
            left: 0;
        }

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

        .timeline-content {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 5px 15px var(--shadow);
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .timeline-content::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            top: 25px;
            background: var(--card-bg);
            transform: rotate(45deg);
            box-shadow: 3px -3px 5px var(--shadow);
        }

        .timeline-item:nth-child(even) .timeline-content::after {
            left: -10px;
            right: auto;
            box-shadow: -3px 3px 5px var(--shadow);
        }

        .timeline-date {
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .timeline-company {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .timeline-role {
            font-style: italic;
            margin-bottom: 15px;
            color: var(--gray);
        }

        .timeline-details ul {
            padding-left: 20px;
        }

        .timeline-details li {
            margin-bottom: 8px;
        }

        /* Projects Section */
        .projects-filter {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }

        .filter-btn {
            padding: 8px 20px;
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            color: var(--text);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-btn.active, .filter-btn:hover {
            background: var(--primary);
            color: white;
        }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }

        .project-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px var(--shadow-lg);
        }

        .project-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .project-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .project-card:hover .project-image img {
            transform: scale(1.1);
        }

        .project-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(67, 97, 238, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .project-card:hover .project-overlay {
            opacity: 1;
        }

        .project-links {
            display: flex;
            gap: 15px;
        }

        .project-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: white;
            border-radius: 50%;
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        .project-link:hover {
            transform: scale(1.1);
        }

        .project-info {
            padding: 20px;
        }

        .project-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 15px;
        }

        .project-tag {
            background: rgba(67, 97, 238, 0.1);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .project-info h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .project-links p4{
              color: var(--light);
            font-size: 0.75rem;
            margin-bottom: 15px;
	}

        .project-info p {
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        /* Certifications Section */
        .certifications-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 30px;
        }

        .certification-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .certification-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px var(--shadow-lg);
        }

        .certification-image {
            height: 200px;
            overflow: hidden;
            position: relative;
            cursor: pointer;
        }

        .certification-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .certification-card:hover .certification-image img {
            transform: scale(1.25);
        }

        .certification-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .certification-image:hover .certification-overlay {
            opacity: 1;
        }

        .certification-overlay i {
            font-size: 2rem;
            color: white;
        }

        .certification-info {
            padding: 20px;
        }

        .certification-info h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .certification-info p {
            color: var(--gray);
            font-size: 0.9rem;
        }

        /* Achievements Section */
        .achievements-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }

        .achievement-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 15px var(--shadow);
            text-align: center;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
        }

        .achievement-card::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            top: 0;
            left: 0;
        }

        .achievement-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px var(--shadow-lg);
        }

        .achievement-icon {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(67, 97, 238, 0.1);
        }

        .achievement-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        /* Contact Section */
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .contact-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background: rgba(67, 97, 238, 0.1);
            border-radius: 50%;
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .contact-details h3 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: var(--dark);
        }

        .contact-details p {
            color: var(--gray);
        }

        .contact-form {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 15px var(--shadow);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            background: var(--background);
            color: var(--text);
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }

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

        .form-error {
            color: #e74c3c;
            font-size: 0.85rem;
            margin-top: 5px;
            display: none;
        }

        .form-success {
            background: #2ecc71;
            color: white;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            display: none;
        }

        /* Footer */
        footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 80px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-section h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
            color: var(--footer-text);
        }

        .footer-section h3::after {
            content: '';
            position: absolute;
            width: 50px;
            height: 3px;
            background: var(--primary);
            bottom: 0;
            left: 0;
            border-radius: 2px;
        }

        .footer-section p {
            margin-bottom: 15px;
            opacity: 0.9;
            color: var(--footer-text);
        }

        .contact-info-list {
            list-style: none;
        }

        .contact-info-list li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--footer-text);
        }

        .contact-info-list i {
            color: var(--primary);
            font-size: 1.2rem;
        }

        .social-links {
            display: flex;
            gap: 15px;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: var(--footer-text);
            text-decoration: none;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--primary);
            transform: translateY(-3px);
            color: white;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            opacity: 0.7;
            color: var(--footer-text);
        }

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

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.5s ease;
        }

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

        /* Responsive Design */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column-reverse;
                text-align: center;
            }
            
            .hero-text {
                max-width: 100%;
            }
            
            .hero-btns {
                justify-content: center;
            }
            
            .about-content, .contact-container {
                grid-template-columns: 1fr;
            }
            
            .projects-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--card-bg);
                backdrop-filter: blur(10px);
                flex-direction: column;
                align-items: center;
                padding-top: 50px;
                transition: left 0.3s ease;
            }

            .nav-links.active {
                left: 0;
            }

            .nav-links li {
                margin: 15px 0;
            }

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

            .hero h2 {
                font-size: 1.5rem;
            }
            
            .hero-avatar {
                width: 250px;
                height: 250px;
            }
            
            .hero-avatar::before {
                width: 220px;
                height: 220px;
            }
            
            .hero-avatar i {
                font-size: 6rem;
            }

            .timeline::after {
                left: 31px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .timeline-item:nth-child(even) {
                left: 0;
            }

            .timeline-content::after {
                left: -10px;
                right: auto;
                box-shadow: -3px 3px 5px var(--shadow);
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .projects-grid {
                grid-template-columns: 1fr;
            }
        }