/* Paleta de Cores: 
   - Primária (Escura): #1e2a38 (Azul Marinho/Cinza)
   - Secundária (Destaque): #007bff (Azul Profissional)
   - Contraste: #ffffff (Branco)
*/

/* Reset Básico e Fontes */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    background-color: #f4f4f9;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    overflow: hidden;
}

h2, h3 {
    color: #1e2a38;
    margin-bottom: 20px;
    font-weight: 600;
}

/* --- Cabeçalho (Header) - Escuro e Fixo --- */
.main-header {
    background: #1e2a38; /* Fundo Escuro */
    color: #ffffff;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: #007bff; /* Destaque para o nome */
}

.main-header nav ul {
    list-style: none;
    display: flex;
}

.main-header nav ul li a {
    color: #ffffff;
    text-decoration: none;
    padding: 10px 15px;
    font-weight: 300;
    transition: color 0.3s ease;
}

.main-header nav ul li a:hover {
    color: #007bff; /* Efeito hover com a cor primária */
}

.cta-link {
    background-color: #007bff;
    border-radius: 4px;
    padding: 8px 15px !important;
    font-weight: 600 !important;
}

.cta-link:hover {
    background-color: #0056b3;
    color: #ffffff !important;
}

/* --- Hero Section - Alto Impacto --- */
.hero-section {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('background-tech.jpg') no-repeat center center/cover;
    background-color: #333;
    color: #ffffff;
    padding: 100px 0;
    text-align: left;
    min-height: 450px;
    display: flex;
    align-items: center;
}

.hero-section h2 {
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 700;
}

.hero-section p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
    font-weight: 300;
}

.btn-primary {
    display: inline-block;
    background: #007bff;
    color: #ffffff;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background: #0056b3;
}

/* --- Seção de Serviços (Cards) --- */
.services-section {
    padding: 60px 0;
    text-align: center;
    background-color: #ffffff;
}

.service-grid {
    display: flex;
    justify-content: space-around;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.service-card {
    flex: 1;
    min-width: 280px;
    padding: 30px;
    border: 1px solid #ddd;
    border-top: 5px solid #007bff; /* Destaque no topo */
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.service-card .icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 15px;
}

.service-card h4 {
    color: #1e2a38;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

/* --- Seção Sobre (Diferencial) --- */
.about-section {
    padding: 60px 0;
    background-color: #f4f4f9;
}

.about-content {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

.about-content p {
    flex: 1;
    font-size: 1.05rem;
}

.check-list {
    flex: 1;
    list-style: none;
    padding-left: 0;
}

.check-list li {
    background-color: #e9ecef;
    padding: 10px 15px;
    margin-bottom: 8px;
    border-radius: 4px;
    color: #1e2a38;
    font-weight: 400;
}


/* --- Rodapé (Footer) - Escuro --- */
.main-footer {
    background: #1e2a38;
    color: #ffffff;
    text-align: center;
    padding: 25px 0;
    font-size: 0.9rem;
}

.main-footer p {
    margin: 5px 0;
}

/* --- Responsividade Básica --- */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        text-align: center;
    }

    .main-header nav ul {
        margin-top: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-section {
        text-align: center;
    }

    .service-grid {
        flex-direction: column;
    }
    
    .about-content {
        flex-direction: column;
    }

    .service-card {
        min-width: 90%;
    }
}