:root {
            /* Cores - Tema Claro */
            --primary: #3b82f6;
            --primary-dark: #2563eb;
            --secondary: #8b5cf6;
            --accent: #06b6d4;
            --text: #1f2937;
            --text-light: #6b7280;
            --bg: #ffffff;
            --bg-secondary: #f9fafb;
            --bg-card: #ffffff;
            --border: #e5e7eb;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            
            /* Espaçamento */
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4rem;
            
            /* Tipografia */
            --font-primary: 'Inter', sans-serif;
            --font-heading: 'Space Grotesk', sans-serif;
        }
        
        .dark-mode {
            /* Cores - Tema Escuro */
            --primary: #60a5fa;
            --primary-dark: #3b82f6;
            --secondary: #a78bfa;
            --accent: #22d3ee;
            --text: #f3f4f6;
            --text-light: #d1d5db;
            --bg: #111827;
            --bg-secondary: #1f2937;
            --bg-card: #1f2937;
            --border: #374151;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
        }
        
        body {
            font-family: var(--font-primary);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.6;
        }
        
        h1, h2, h3, h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: var(--space-sm);
        }
        
        h1 {
            font-size: 2.5rem;
        }
        
        h2 {
            font-size: 2rem;
            color: var(--primary);
            position: relative;
            display: inline-block;
            margin-bottom: var(--space-lg);
        }
        
        h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 60px;
            height: 4px;
            background-color: var(--accent);
            border-radius: 2px;
        }
        
        h3 {
            font-size: 1.5rem;
            margin-bottom: var(--space-sm);
        }
        
        section {
            padding: var(--space-xl) 0;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }
        
        /* Header e Navegação */
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--bg);
            border-bottom: 1px solid var(--border);
            padding: var(--space-sm) 0;
            backdrop-filter: blur(10px);
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary);
        }
        
        .logo-icon {
            width: 32px;
            height: 32px;
            color: var(--accent);
        }
        
        .nav-links {
            display: flex;
            gap: var(--space-md);
            align-items: center;
        }
        
        .nav-link {
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            position: relative;
            padding: var(--space-xs) 0;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        /* Botão Tema */
        .theme-toggle {
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text);
            background-color: var(--bg-secondary);
            transition: transform 0.3s ease;
        }
        
        .theme-toggle:hover {
            transform: rotate(15deg);
        }
        
        .theme-icon {
            width: 20px;
            height: 20px;
        }
        
        /* Hero Section */
        .hero {
            padding: var(--space-2xl) 0;
            background-color: var(--bg-secondary);
            border-radius: 0 0 20px 20px;
        }
        
        .hero-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: var(--space-md);
        }
        
        .hero-badge {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.875rem;
            margin-bottom: var(--space-sm);
        }
        
        .hero-title {
            font-size: 3rem;
            margin-bottom: var(--space-xs);
        }
        
        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-light);
            max-width: 800px;
            margin-bottom: var(--space-lg);
        }
        
        .highlight {
            color: var(--accent);
            font-weight: 600;
        }
        
        /* Cards */
        .card {
            background-color: var(--bg-card);
            border-radius: 12px;
            padding: var(--space-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .card a{
            color: var(--text);
            text-decoration: underline;
            

        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        
        /* Sobre Mim */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }
        
        .about-text {
            font-size: 1.1rem;
        }
        
        .about-highlight {
            color: var(--accent);
            font-weight: 600;
        }
        
        /* Especialidades */
        .specialties-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: var(--space-lg);
        }
        
        .specialty-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
        }
        
        .specialty-icon {
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 4px;
        }
        
        /* Trajetória */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 30px;
            top: 0;
            height: 100%;
            width: 2px;
            background-color: var(--border);
        }
        
        .timeline-item {
            position: relative;
            margin-bottom: var(--space-xl);
            padding-left: 70px;
        }
        
        .timeline-year {
            position: absolute;
            left: 0;
            top: 0;
            width: 60px;
            height: 60px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            z-index: 1;
        }
        
        /* Experiência Técnica */
        .experience-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: var(--space-md);
        }
        
        .experience-item {
            background-color: var(--bg-secondary);
            padding: var(--space-md);
            border-radius: 8px;
            border-left: 4px solid var(--accent);
        }
        
        /* Tecnologias */
        .tech-categories {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: var(--space-xl);
        }
        
        .tech-category h3 {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            margin-bottom: var(--space-md);
        }
        
        .tech-icons {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }
        
        .tech-icon {
            background-color: var(--bg-secondary);
            padding: var(--space-sm);
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            font-weight: 500;
        }
        
        /* Projetos */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: var(--space-lg);
        }
        
        .project-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .project-tech {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-xs);
            margin-top: auto;
            padding-top: var(--space-md);
        }
        
        .tech-tag {
            background-color: var(--primary);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 500;
        }
        
        /* Contato */
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }
        
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }
        
        .contact-icon {
            color: var(--accent);
        }
        
        .btn {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.3s ease;
        }
        
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        
        .btn-secondary {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-secondary:hover {
            background-color: var(--primary);
            color: white;
        }
        
        /* Footer */
        footer {
            background-color: var(--bg-secondary);
            padding: var(--space-xl) 0;
            margin-top: var(--space-xl);
            text-align: center;
        }
        
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--space-md);
        }
        
        .social-links {
            display: flex;
            gap: var(--space-md);
        }
        
        .social-link {
            color: var(--text);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }
        
        /* Responsividade */
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            
            h2 {
                font-size: 1.75rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .about-content, .contact-container {
                grid-template-columns: 1fr;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .specialties-grid, .experience-grid {
                grid-template-columns: 1fr;
            }
        }
        
        /* Animações */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeIn 0.8s ease forwards;
        }
        
        @keyframes fadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }
        .delay-4 { animation-delay: 0.4s; }