@import url('https://fonts.cdnfonts.com/css/avenir');
        
        * {
            font-family: 'Avenir', sans-serif;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --bg-dark: #0a0a0a;
            --bg-secondary: #111111;
            --bg-card: #1a1a1a;
            --accent: #00ff88;
            --accent-dim: #00cc6e;
            --text-primary: #ffffff;
            --text-secondary: #a0a0a0;
            --border: #2a2a2a;
        }
        
        body {
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        /* Smooth Scroll */
        html {
            scroll-behavior: smooth;
        }
        
        /* Navbar */
        .navbar {
            background: rgba(10, 10, 10, 0.95) !important;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            padding: 1.2rem 0;
            transition: all 0.3s ease;
        }
        
        .navbar.scrolled {
            padding: 0.8rem 0;
            box-shadow: 0 4px 30px rgba(0, 255, 136, 0.1);
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--text-primary) !important;
            letter-spacing: -1px;
        }
        
        .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            margin: 0 1rem;
            transition: color 0.3s ease;
            position: relative;
        }
        
        .nav-link:hover,
        .nav-link.active {
            color: var(--accent) !important;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 30px;
            height: 2px;
            background: var(--accent);
            transition: transform 0.3s ease;
        }
        
        .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        
        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero h1 {
            font-size: 4rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: -2px;
            line-height: 1.1;
        }
        
        .hero .accent-text {
            color: var(--accent);
        }
        
        .hero .subtitle {
            font-size: 1.5rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-weight: 300;
        }
        
        .hero .lead {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 600px;
            line-height: 1.8;
        }

        .hero-img {
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 8px solid #fff;
            object-fit: cover;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .navbar-text .btn-primary-custom {
            color: var(--bg-dark);
        }
        
        .btn-primary-custom {
            background: var(--accent);
            color: var(--bg-dark);
            padding: 14px 40px;
            border: none;
            border-radius: 0;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            margin: 10px 10px 10px 0;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.9rem;
        }
        
        .btn-primary-custom:hover {
            background: var(--accent-dim);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
        }
        
        .btn-outline-custom {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--text-primary);
            padding: 12px 40px;
        }
        
        .btn-outline-custom:hover {
            background: var(--text-primary);
            color: var(--bg-dark);
            border-color: var(--text-primary);
        }
        
        /* Section Styles */
        section {
            padding: 100px 0;
        }
        
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 4rem;
            letter-spacing: -1px;
        }
        
        .section-label {
            color: var(--accent);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        
        /* About Section */
        .about-content {
            font-size: 1.1rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        
        .about-content p {
            margin-bottom: 1.5rem;
        }
        
        .contact-info-card {
            background: var(--bg-card);
            padding: 2.5rem;
            border: 1px solid var(--border);
            margin-top: 3rem;
        }
        
        .contact-info-card h4 {
            margin-bottom: 2rem;
            font-weight: 600;
        }
        
        .contact-info-card p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
        }
        
        .contact-info-card i {
            color: var(--accent);
            margin-right: 15px;
            width: 20px;
        }
        
        /* Skills Section */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        
        .skill-card {
            background: var(--bg-card);
            padding: 2rem;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .skill-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }
        
        .skill-card:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
        }
        
        .skill-card:hover::before {
            width: 100%;
        }
        
        .skill-card i {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 1.5rem;
        }
        
        .skill-card h4 {
            font-weight: 600;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        
        .skill-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        
        /* Experience Section */
        .timeline-item {
            background: var(--bg-card);
            padding: 2.5rem;
            border-left: 3px solid var(--border);
            margin-bottom: 2rem;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 2.5rem;
            width: 13px;
            height: 13px;
            background: var(--accent);
            border-radius: 50%;
        }
        
        .timeline-item:hover {
            border-left-color: var(--accent);
            transform: translateX(5px);
        }
        
        .timeline-date {
            color: var(--accent);
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .timeline-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        
        .timeline-company {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }
        
        .timeline-item ul {
            padding-left: 20px;
        }
        
        .timeline-item li {
            color: var(--text-secondary);
            margin-bottom: 0.8rem;
            line-height: 1.7;
        }
        
        /* Portfolio Section */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .portfolio-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .portfolio-item:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
        }
        
        .portfolio-img {
            width: 100%;
            height: 250px;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            border-bottom: 1px solid var(--border);
            transition: all 0.3s ease;
        }
        
        .portfolio-item:hover .portfolio-img {
            background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, var(--bg-card) 100%);
        }
        
        .portfolio-img i {
            font-size: 3.5rem;
            color: var(--accent);
            opacity: 0.7;
        }
        
        .portfolio-content {
            padding: 2rem;
        }
        
        .portfolio-content h4 {
            font-weight: 600;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        
        .portfolio-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        
        .portfolio-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .portfolio-tag {
            background: var(--bg-secondary);
            color: var(--text-secondary);
            padding: 5px 15px;
            border: 1px solid var(--border);
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
        }
        
        /* Tools Section */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1.5rem;
        }
        
        .tool-item {
            background: var(--bg-card);
            padding: 2rem 1.5rem;
            border: 1px solid var(--border);
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .tool-item:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
        }
        
        .tool-item i {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }
        
        .tool-item p {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        
        /* Contact Section */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            max-width: 900px;
            margin: 0 auto;
        }
        
        .contact-card {
            background: var(--bg-card);
            padding: 3rem 2rem;
            border: 1px solid var(--border);
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .contact-card:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
        }
        
        .contact-card i {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 1.5rem;
        }
        
        .contact-card h5 {
            font-weight: 600;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        
        .contact-card a,
        .contact-card p {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .contact-card a:hover {
            color: var(--accent);
        }
        
        /* Footer */
        footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 4rem 0 2rem;
        }
        
        footer h4 {
            font-weight: 600;
            margin-bottom: 1rem;
        }
        
        footer p {
            color: var(--text-secondary);
        }
        
        .social-links {
            margin: 2rem 0;
        }
        
        .social-links a {
            color: var(--text-secondary);
            font-size: 1.5rem;
            margin: 0 15px;
            transition: all 0.3s ease;
            display: inline-block;
        }
        
        .social-links a:hover {
            color: var(--accent);
            transform: translateY(-3px);
        }
        
        footer hr {
            border-color: var(--border);
            margin: 2rem 0;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero .subtitle {
                font-size: 1.2rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .nav-link {
                margin: 0.5rem 1rem;
            }
            
            section {
                padding: 60px 0;
            }
        }