:root {
            --primary: #0ea5e9;
            --primary-dark: #0284c7;
            --secondary: #8b5cf6;
            --accent: #ec4899;  
            --dark-bg: #0f172a;
            --darker-bg: #0b1120;
            --card-bg: #1e293b;
            --text: #f1f5f9;
            --text-secondary: #cbd5e1;
            --border: #334155;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            background-color: var(--dark-bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }

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

        /* Header & Navigation */
        header {
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(10px);
            color: white;
            padding: 1.2rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(51, 65, 85, 0.5);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }

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

        .nav-links li {
            margin-left: 2rem;
        }

        .nav-links a {
            color: var(--text);
            text-decoration: none;
            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;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: var(--transition);
        }

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

        /* Hero Section */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: 80px;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.15), transparent 40%),
                        radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.15), transparent 40%);
            z-index: -1;
        }

        .hero-content {
            max-width: 800px;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            font-family: 'Orbitron', sans-serif;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            color: var(--text-secondary);
            max-width: 600px;
        }

        .btn {
            display: inline-block;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            margin: 0 10px;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(14, 165, 233, 0.5);
        }

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

        .btn-outline:hover {
            background: rgba(14, 165, 233, 0.1);
        }

        /* Section Styling */
        section {
            padding: 100px 0;
            position: relative;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            font-family: 'Orbitron', sans-serif;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
            margin-bottom: 20px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
            border: 1px solid var(--border);
            margin-bottom: 30px;
        }

        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
            border-color: rgba(14, 165, 233, 0.3);
        }

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

        .profile-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.5);
}
        .profile-placeholder {
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 8rem;
            color: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 50px rgba(14, 165, 233, 0.3);
        }

        .about-text {
            flex: 1;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        .about-text p {
            margin-bottom: 1.5rem;
            color: var(--text-secondary);
        }

        .contact-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 2rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            width: 100%;
        }

        .contact-item i {
            color: var(--primary);
            font-size: 1.2rem;
            min-width: 30px;
        }

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

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

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 20px 40px;
        }

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

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

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background: var(--primary);
            border: 4px solid var(--dark-bg);
            top: 30px;
            border-radius: 50%;
            z-index: 1;
            box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.3);
        }

        .timeline-item:nth-child(odd)::after {
            right: -10px;
        }

        .timeline-item:nth-child(even)::after {
            left: -10px;
        }

        .timeline-content {
            padding: 25px;
            background: var(--card-bg);
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .timeline-content:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }

        .timeline-content h3 {
            color: var(--primary);
            margin-bottom: 10px;
        }

        .timeline-content .date {
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 10px;
            display: block;
        }

        .timeline-content p {
            color: var(--text-secondary);
        }

        /* Experience Section */
        .experience-item h3 {
            color: var(--primary);
            margin-bottom: 10px;
        }

        .experience-item .company {
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 15px;
            display: block;
        }

        .experience-item ul {
            list-style-type: none;
            padding-left: 0;
        }

        .experience-item li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 10px;
            color: var(--text-secondary);
        }

        .experience-item li::before {
            content: '▹';
            color: var(--primary);
            position: absolute;
            left: 0;
            font-size: 1.2rem;
        }

        /* Projects Section */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }

        .project-card {
            background: var(--card-bg);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.4);
            border-color: rgba(14, 165, 233, 0.3);
        }

        .project-img {
            height: 200px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 4rem;
        }

        .project-content {
            padding: 25px;
        }

        .project-content h3 {
            color: var(--primary);
            margin-bottom: 10px;
        }

        .project-content p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .tech-stack {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .tech-item {
            background: rgba(14, 165, 233, 0.15);
            color: var(--primary);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(14, 165, 233, 0.3);
        }

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

        .skill-category {
            background: var(--card-bg);
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .skill-category:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }

        .skill-category h3 {
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
        }

        .skill-item {
            margin-bottom: 20px;
        }

        .skill-item h4 {
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            color: var(--text);
        }

        .progress-bar {
            height: 10px;
            background: var(--darker-bg);
            border-radius: 5px;
            overflow: hidden;
        }

        .progress {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 5px;
            position: relative;
            overflow: hidden;
        }

        .progress::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            animation: progress-shine 2s infinite;
        }

        @keyframes progress-shine {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        /* Certificates Section */
        .certificates-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .certificate-card {
            background: var(--card-bg);
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .certificate-card:hover {
            transform: translateY(-10px);
            border-color: var(--secondary);
        }

        .certificate-icon {
            font-size: 3rem;
            color: var(--secondary);
            margin-bottom: 20px;
        }

        .certificate-card h3 {
            margin-bottom: 10px;
            color: var(--text);
        }

        .certificate-card p {
            color: var(--text-secondary);
        }

        /* Contact Section */
        .contact-container {
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
        }

        .social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--card-bg);
            color: var(--primary);
            font-size: 1.8rem;
            transition: var(--transition);
            text-decoration: none;
            border: 1px solid var(--border);
        }

        .social-link:hover {
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: white;
            transform: translateY(-10px) rotate(10deg);
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }

        /* Footer */
        footer {
            background: var(--darker-bg);
            color: var(--text-secondary);
            text-align: center;
            padding: 30px 0;
            border-top: 1px solid var(--border);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .timeline::before {
                left: 30px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 20px;
            }
            
            .timeline-item:nth-child(even) {
                left: 0;
            }
            
            .timeline-item:nth-child(odd)::after,
            .timeline-item:nth-child(even)::after {
                left: 20px;
            }
            
            .projects-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Floating Elements */
        .floating {
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0px); }
        }

        /* Particles Background */
        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
        }