/* === VARIÁVEIS DE CORES E FONTES === */
        :root {
            --primary-color: #1a252f; /* Azul marinho muito escuro */
            --secondary-color: #2c3e50; /* Azul acinzentado */
            --accent-color: #d4af37; /* Dourado/Ouro */
            --text-dark: #333333;
            --text-light: #f8f9fa;
            --bg-light: #f4f6f7;
            --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        }

        /* === RESET E BASE === */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-main);
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.6;
        }

        .hidden {
            display: none !important;
        }

        /* === NAVEGAÇÃO === */
        nav {
            background-color: var(--primary-color);
            padding: 15px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        .nav-logo {
            color: var(--accent-color);
            font-size: 1.5rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
        }

        .nav-links {
            display: flex;
            gap: 20px;
        }

        .nav-btn {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1rem;
            cursor: pointer;
            transition: color 0.3s;
            font-weight: 500;
        }

        .nav-btn:hover, .nav-btn.active {
            color: var(--accent-color);
        }

        .btn-destaque {
            background-color: var(--accent-color);
            color: var(--primary-color);
            padding: 8px 15px;
            border-radius: 4px;
            font-weight: bold;
        }

        .btn-destaque:hover {
            background-color: #b5952f;
            color: white;
        }

        /* === CABEÇALHO (HERO) === */
        .hero {
            background: linear-gradient(rgba(26, 37, 47, 0.9), rgba(26, 37, 47, 0.9)), url('https://images.unsplash.com/photo-1589829085413-56de8ae18c73?q=80&w=2000&auto=format&fit=crop') center/cover;
            color: var(--text-light);
            padding: 80px 5%;
            text-align: center;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 10px;
            color: var(--accent-color);
        }

        .hero h3 {
            font-size: 1.2rem;
            font-weight: 400;
            margin-bottom: 20px;
            opacity: 0.9;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px auto;
        }

        .cta-button {
            background-color: var(--accent-color);
            color: var(--primary-color);
            padding: 15px 30px;
            border: none;
            border-radius: 5px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            text-decoration: none;
            display: inline-block;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
        }

        /* === SEÇÕES GERAIS === */
        .section-container {
            padding: 60px 5%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            color: var(--primary-color);
            margin-bottom: 40px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background-color: var(--accent-color);
            margin: 10px auto 0;
        }

        /* === SERVIÇOS === */
        .areas-grid {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        .area-badge {
            background-color: var(--secondary-color);
            color: white;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            border-top: 4px solid var(--accent-color);
            transition: transform 0.3s;
        }

        .service-card:hover {
            transform: translateY(-5px);
        }

        .service-card h4 {
            color: var(--primary-color);
            font-size: 1.3rem;
            margin-bottom: 15px;
        }

        .service-card p {
            color: #555;
            font-size: 0.95rem;
        }

        /* === ÁREA DE PUBLICAÇÕES (BLOG) === */
        .pub-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .pub-card {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .pub-card h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .pub-card .date {
            font-size: 0.8rem;
            color: #7f8c8d;
            margin-bottom: 10px;
            display: block;
        }

        .pub-card a {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: bold;
            margin-top: 15px;
            display: inline-block;
        }

        /* === ÁREA DO CLIENTE === */
        .login-container {
            max-width: 400px;
            margin: 40px auto;
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border-top: 4px solid var(--primary-color);
        }

        .login-input {
            width: 100%;
            padding: 12px;
            margin-bottom: 20px;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 1rem;
        }

        .login-input:focus {
            border-color: var(--accent-color);
            outline: none;
        }

        /* === FOOTER === */
        footer {
            background-color: var(--primary-color);
            color: var(--text-light);
            text-align: center;
            padding: 20px;
            margin-top: 40px;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none; /* Em um site real, aqui entraria um menu hambúrguer */
            }
            .hero h1 { font-size: 2rem; }
        }