/* ==========================================================================
           Variáveis CSS e Reset
           ========================================================================== */
        :root {
            --bg-body: #080d17; /* Fundo principal bem escuro */
            --bg-nav: rgba(15, 23, 42, 0.75);
            --bg-card: #0f1623;
            --bg-card-hover: #151e2f;
            
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            
            --accent-color: #00d2ff; /* Ciano/Teal da marca */
            --accent-color-hover: #00b8e6;
            --accent-bg-transparent: rgba(0, 210, 255, 0.1);
            
            --border-color: #1e293b;
            --border-highlight: #2dd4bf;

            --font-family: 'Inter', sans-serif;
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            /* Gradiente de fundo sutil para dar profundidade */
            background-image: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.05) 0%, transparent 50%);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ==========================================================================
           Tipografia e Utilitários
           ========================================================================== */
        h1, h2, h3 {
            line-height: 1.2;
            font-weight: 700;
        }

        .text-accent {
            color: var(--accent-color);
        }

        .section-label {
            color: var(--accent-color);
            text-transform: uppercase;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            display: block;
            text-align: center;
        }

        .section-title {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 16px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 60px auto;
            font-size: 1.1rem;
        }

        /* Botões */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            gap: 8px;
        }

        .btn-primary {
            background-color: var(--accent-color);
            color: #000;
        }

        .btn-primary:hover {
            background-color: var(--accent-color-hover);
            transform: translateY(-2px);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-color);
        }

        .btn-outline:hover {
            border-color: var(--accent-color);
            color: var(--accent-color);
        }
        
        .btn-outline-accent {
            background-color: transparent;
            color: var(--accent-color);
            border: 1px solid var(--border-color);
        }
        
        .btn-outline-accent:hover {
            background-color: var(--accent-bg-transparent);
            border-color: var(--accent-color);
        }

        /* ==========================================================================
           Navegação (Header)
           ========================================================================== */
        header {
            position: fixed;
            top: 24px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 48px);
            max-width: 1000px;
            background-color: var(--bg-nav);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 12px 24px;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-main);
        }

        .logo-box {
            background-color: var(--accent-bg-transparent);
            color: var(--accent-color);
            padding: 4px 8px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .nav-links {
            display: flex;
            gap: 24px;
        }

        .nav-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav {
            background-color: var(--accent-color);
            color: #000;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .btn-nav:hover {
            background-color: var(--accent-color-hover);
        }

        .btn-theme {
            background-color: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-theme:hover {
            color: var(--accent-color);
            border-color: var(--accent-color);
        }

        /* ==========================================================================
           Seção Hero
           ========================================================================== */
        .hero {
            padding: 200px 0 100px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .hero h1 {
            font-size: 3.5rem;
            max-width: 800px;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero p {
            color: var(--text-muted);
            font-size: 1.15rem;
            max-width: 600px;
            margin-bottom: 40px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
        }

        /* ==========================================================================
           Seção: Desenvolvimento de Software
           ========================================================================== */
        .section-padding {
            padding: 80px 0;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 32px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .card:hover {
            background-color: var(--bg-card-hover);
            border-color: var(--accent-color);
            transform: translateY(-5px);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            background-color: var(--accent-bg-transparent);
            color: var(--accent-color);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }

        .card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

        .card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            font-size: 0.75rem;
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            padding: 4px 12px;
            border-radius: 20px;
            background-color: rgba(255, 255, 255, 0.02);
        }

        /* ==========================================================================
           Seção: Banco de Dados
           ========================================================================== */
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        
        .card-center {
            text-align: center;
            align-items: center;
        }
        
        .card-center .card-icon {
            margin: 0 auto 24px auto;
            border-radius: 50%;
            background-color: transparent;
            border: 1px solid var(--border-color);
        }

        .card-center:hover .card-icon {
            border-color: var(--accent-color);
        }

        /* ==========================================================================
           Seção: Treinamentos Online
           ========================================================================== */
        .training-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .training-content h2 {
            font-size: 2.5rem;
            margin-bottom: 16px;
            text-align: left;
        }

        .training-content p {
            color: var(--text-muted);
            margin-bottom: 32px;
            font-size: 1.1rem;
        }

        .checklist {
            margin-bottom: 32px;
        }

        .checklist li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .checklist li i {
            color: var(--accent-color);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .stat-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 32px 24px;
            text-align: center;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-color);
            margin-bottom: 8px;
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* ==========================================================================
           Seção: Contato
           ========================================================================== */
        .contact-section {
            text-align: center;
            padding: 100px 0;
        }

        .btn-large {
            padding: 16px 40px;
            font-size: 1.1rem;
            border-radius: 12px;
            margin-top: 24px;
            margin-bottom: 24px;
        }

        .blog-link {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .blog-link:hover {
            color: var(--accent-color);
        }

        /* ==========================================================================
           Footer
           ========================================================================== */
        footer {
            border-top: 1px solid var(--border-color);
            padding: 32px 0;
            margin-top: 40px;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        
        .footer-links {
            display: flex;
            gap: 24px;
        }

        .footer-links a:hover {
            color: var(--accent-color);
        }

        /* ==========================================================================
           Menu Hamburguer
           ========================================================================== */
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 6px 10px;
            cursor: pointer;
            color: var(--text-main);
            align-items: center;
            justify-content: center;
            transition: border-color 0.3s ease;
        }

        .hamburger:hover {
            border-color: var(--accent-color);
            color: var(--accent-color);
        }

        /* ==========================================================================
           Responsividade
           ========================================================================== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 3rem;
            }
        }

        @media (max-width: 900px) {
            .hamburger {
                display: flex;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 84px;
                left: 50%;
                transform: translateX(-50%);
                width: calc(100% - 32px);
                max-width: 1000px;
                background-color: var(--bg-nav);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                border: 1px solid var(--border-color);
                border-radius: 16px;
                padding: 12px;
                flex-direction: column;
                gap: 4px;
                z-index: 999;
            }

            .nav-links.aberto {
                display: flex;
            }

            .nav-links a {
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 0.95rem;
            }

            .nav-links a:hover {
                background-color: var(--accent-bg-transparent);
                color: var(--text-main);
            }

            .training-container {
                grid-template-columns: 1fr;
            }

            .training-content h2, .section-label.left {
                text-align: center;
            }
        }

        @media (max-width: 768px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }

            header {
                width: calc(100% - 32px);
                padding: 12px 16px;
            }

            .hero {
                padding: 140px 0 60px;
            }

            .hero h1 {
                font-size: 2.25rem;
            }

            .hero-buttons {
                flex-direction: column;
                width: 100%;
                max-width: 300px;
            }

            .section-padding {
                padding: 56px 0;
            }

            .section-title {
                font-size: 2rem;
            }

            .training-content h2 {
                font-size: 2rem;
            }

            .contact-section {
                padding: 64px 0;
            }

            .btn-large {
                padding: 14px 24px;
                font-size: 1rem;
                word-break: break-all;
            }

            .footer-content {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.85rem;
                letter-spacing: -0.5px;
            }

            .hero p {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.75rem;
            }

            .training-content h2 {
                font-size: 1.75rem;
            }
        }

        @media (max-width: 500px) {
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }