:root {
            --azul-primario: #1a365d;
            --azul-secundario: #2c5282;
            --azul-claro: #4299e1;
            --cinza-escuro: #2d3748;
            --cinza-medio: #4a5568;
            --cinza-claro: #e2e8f0;
            --branco: #ffffff;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
            color: var(--cinza-escuro);
            line-height: 1.6;
        }
        
        header {
            background-color: var(--azul-primario);
            color: var(--branco);
            padding: 1rem 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .container {
            width: 85%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--branco);
        }
        
        .logo span {
            color: var(--azul-claro);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 2rem;
        }
        
        nav ul li a {
            color: var(--branco);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: var(--azul-claro);
        }
        
        .hero {
            background: linear-gradient(135deg, var(--azul-primario), var(--azul-secundario));
            color: var(--branco);
            padding: 4rem 0;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        
        .btn {
            display: inline-block;
            background-color: var(--azul-claro);
            color: var(--branco);
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            text-decoration: none;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        
        .btn:hover {
            background-color: #3182ce;
        }
        
        section {
            padding: 3rem 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 2rem;
            color: var(--azul-primario);
        }
        
        .services {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .service-card {
            background-color: var(--branco);
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        
        .service-card:hover {
            transform: translateY(-5px);
        }
        
        .service-card h3 {
            color: var(--azul-secundario);
            margin-top: 0;
        }
        
        .about {
            background-color: var(--cinza-claro);
        }
        
        .contact {
            background-color: var(--branco);
        }
        
        form {
            max-width: 600px;
            margin: 0 auto;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        
        input, textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--cinza-claro);
            border-radius: 4px;
            font-family: inherit;
        }
        
        footer {
            background-color: var(--cinza-escuro);
            color: var(--branco);
            padding: 2rem 0;
            text-align: center;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 1rem;
        }
        
        .footer-section h3 {
            color: var(--azul-claro);
        }
        
        .copyright {
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid var(--cinza-medio);
        }