:root {
            --primary-dark: #0a192f;
            --primary-medium: #112240;
            --primary-light: #233554;
            --accent-color: #64ffda;
            --accent-gradient: linear-gradient(135deg, #64ffda, #00a3ff);
            --text-primary: #e6f1ff;
            --text-secondary: #8892b0;
            --transition: all 0.25s cubic-bezier(0.645, 0.045, 0.355, 1);
            --card-gradient: linear-gradient(145deg, #112240, #0a192f);
            --header-gradient: linear-gradient(90deg, #0a192f, #112240, #0a192f);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Lexend', sans-serif;
        }
        
        body {
            background-color: var(--primary-dark);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: var(--transition);
        }
        
        a:hover {
            text-decoration: none;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        
        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background: var(--header-gradient);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 1.5rem 0;
            transition: var(--transition);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
        }
        
        header.scrolled {
            padding: 1rem 0;
            box-shadow: 0 10px 30px -10px rgba(2, 12, 27, 0.7);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            position: relative;
            overflow: hidden;
        }
        
        .logo::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gradient);
            transform: translateX(-100%);
            transition: transform 0.5s ease;
        }
        
        .logo:hover::after {
            transform: translateX(0);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 2rem;
            position: relative;
        }
        
        .nav-links a {
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
            padding: 0.5rem 0;
            position: relative;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gradient);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .nav-links a:hover {
            color: var(--accent-color);
        }
        
        .hamburger {
            display: none;
            cursor: pointer;
            background: var(--accent-gradient);
            padding: 0.5rem;
            border-radius: 4px;
        }
        
        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: left;
            align-items: center;
            padding: 6rem 0 4rem;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(100, 255, 218, 0.1) 0%, rgba(100, 255, 218, 0) 70%);
            z-index: -1;
        }
        
        .hero-content {
            max-width: 1000px;
        }
        
        .greeting {
            color: var(--accent-color);
            font-size: 1.1rem;
            margin-bottom: 1rem;
            font-weight: 400;
        }
        
        .hero-name {
            font-size: clamp(2.5rem, 8vw, 5rem);
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #e6f1ff 0%, #64ffda 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .hero-tagline {
            font-size: clamp(1.5rem, 4vw, 3rem);
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }
        
        .hero-description {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 3rem;
            max-width: 550px;
        }
        
        .cta-button {
            display: inline-block;
            padding: 1rem 2rem;
            border: none;
            border-radius: 4px;
            color: var(--primary-dark);
            background: var(--accent-gradient);
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px 0 rgba(100, 255, 218, 0.4);
            position: relative;
            overflow: hidden;
        }
        
        .cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: 0.5s;
        }
        
        .cta-button:hover::before {
            left: 100%;
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px 0 rgba(100, 255, 218, 0.6);
        }
        
        /* Sections */
        section {
            padding: 6rem 0;
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 3rem;
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 50%;
            height: 3px;
            background: var(--accent-gradient);
            border-radius: 2px;
        }
        
        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 3rem;
        }
        
        .about-text {
            font-size: 1.1rem;
            color: var(--text-secondary);
        }
        
        .skills-list {
            display: grid;
            grid-template-columns: repeat(2, minmax(140px, 200px));
            gap: 0 10px;
            list-style: none;
            margin-top: 1.5rem;
        }
        
        .skills-list li {
            position: relative;
            margin-bottom: 0.6rem;
            padding-left: 1.2rem;
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: default;
        }
        
        .skills-list li:hover {
            color: var(--accent-color);
            transform: translateX(5px);
        }
        
        .skills-list li::before {
            content: '▹';
            position: absolute;
            left: 0;
            color: var(--accent-color);
        }
        
        /* Projects Section */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .project-card {
            background: var(--card-gradient);
            border-radius: 10px;
            padding: 1.8rem;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(100, 255, 218, 0.1);
            position: relative;
            overflow: hidden;
        }
        
        .project-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--accent-gradient);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.5s ease;
        }
        
        .project-card:hover::before {
            transform: scaleX(1);
        }
        
        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px -10px rgba(2, 12, 27, 0.7);
            border-color: rgba(100, 255, 218, 0.3);
        }
        
        .project-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }
        
        .folder-icon {
            color: var(--accent-color);
            font-size: 2.5rem;
            transition: var(--transition);
        }
        
        .project-card:hover .folder-icon {
            transform: scale(1.2);
        }
        
        .project-links a {
            margin-left: 0.8rem;
            color: var(--text-primary);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        
        .project-links a:hover {
            color: var(--accent-color);
            transform: translateY(-3px);
        }
        
        .project-title {
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
            font-weight: 600;
        }
        
        .project-description {
            color: var(--text-secondary);
            margin-bottom: 1.2rem;
            flex-grow: 1;
        }
        
        .project-tech {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.8rem;
        }
        
        .project-tech li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 0.3rem 0.6rem;
            background: rgba(100, 255, 218, 0.1);
            border-radius: 4px;
            transition: var(--transition);
        }
        
        .project-tech li:hover {
            background: rgba(100, 255, 218, 0.2);
            transform: translateY(-2px);
        }
        
        /* Contact Section */
        .contact-content {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .contact-text {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 3rem;
        }
        
        /* Footer */
        footer {
            text-align: center;
            padding: 3rem 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
            background: var(--header-gradient);
            position: relative;
        }
        
        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: var(--accent-gradient);
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .social-links a {
            color: var(--text-primary);
            font-size: 1.5rem;
            transition: var(--transition);
            width: 45px;
            height: 45px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--card-gradient);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }
        
        .social-links a:hover {
            color: var(--accent-color);
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
        }
        
        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary-medium);
                flex-direction: column;
                padding: 1rem 0;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links li {
                margin: 0.5rem 0;
                text-align: center;
            }
            
            .hamburger {
                display: block;
            }
            
            .about-content {
                grid-template-columns: 1fr;
            }
            
            .hero {
                padding-top: 8rem;
            }
        }

        /* Particle background */
        .particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }
        
        .particle {
            position: absolute;
            background: rgba(100, 255, 218, 0.3);
            border-radius: 50%;
            animation: float 15s infinite linear;
        }
        
        @keyframes float {
            0% {
                transform: translateY(0) translateX(0) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100vh) translateX(100vw) rotate(360deg);
                opacity: 0;
            }
        }