/* Variáveis de Cores */
:root {
    --primary-color: #004494; /* Azul corporativo */
    --secondary-color: #0056b3;
    --accent-color: #ff9900; /* Laranja para destaque */
    --text-dark: #333;
    --text-light: #f4f7f6;
    --bg-light: #f9fbfc;
}

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    color: var(--text-dark);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Cabeçalho / Menu */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo .logopng {
    max-width: 75px;
    max-height: 75px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Seção Herói (Início) */
.hero {
    background: linear-gradient(rgba(0, 68, 148, 0.9), rgba(0, 86, 179, 0.8)), url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover;
    color: white;
    padding: 150px 20px 100px;
    text-align: center;
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-cta {
    background-color: var(--accent-color);
    color: white;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    display: inline-block;
    transition: background 0.3s;
}

.btn-cta:hover {
    background-color: #e68a00;
}

/* Seção Serviços */
.services {
    padding: 80px 20px;
    background-color: var(--bg-light);
    text-align: center;
}

.section-title {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 50px;
}

.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: #fff;
    padding: 30px 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

.service-card i {
    font-size: 3em;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.2em;
}

.service-card p {
    color: #666;
    font-size: 0.95em;
}

/* Seção Contato */
.contact {
    padding: 80px 20px;
    background-color: #fff;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.contact-info, .contact-form-area {
    flex: 1;
    min-width: 300px;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5em;
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1em;
}

.contact-form-area form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form-area input, .contact-form-area textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
}

.contact-form-area button {
    padding: 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

.contact-form-area button:hover {
    background-color: var(--secondary-color);
}

/* Rodapé */
footer {
    background-color: #222;
    color: #aaa;
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-links {
        display: none; 
    }
    .hero h1 {
        font-size: 2em;
    }
}