:root {
    --primary-color: #003366;
    --secondary-color: #6c757d;
    --accent-color: #0056b3;
    --light-bg: #f8f9fa;
    --dark-text: #212529;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.hero-section {
    background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 51, 102, 0.8)), url('../img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
}

.section-title {
    position: relative;
    margin-bottom: 50px;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    border-radius: 10px;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.navbar-brand img {
    max-height: 50px;
}

.nav-link {
    font-weight: 500;
    color: var(--primary-color) !important;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

.footer-logo {
    filter: brightness(0) invert(1);
}

/* Responsividade */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    .hero-section h1 {
        font-size: 2rem;
    }
}