:root {
    --primary-color: #1f2b81; /* Azul da Marca */
    --primary-hover: #151e5e; /* Tom mais escuro para hover */
    --accent-color: #ffc107; /* Opcional: para detalhes */
    --text-dark: #2c3e50;
    --text-muted: #6c757d;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-dark);
    background-color: #f9fbfd; /* Fundo muito leve, quase branco */
}

/* Navbar Premium */
.navbar {
    background-color: #ffffff !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05); /* Sombra difusa moderna */
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    padding: 0;
    margin-right: 2rem;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-dark) !important;
    margin-left: 1.5rem;
    transition: color 0.3s ease, transform 0.2s ease;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
    transform: translateY(-1px);
}

/* Linha sutil abaixo do link ativo/hover */
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Hero Section Profissional */
.hero {
    /* Gradiente Azul Profundo da Marca (80%) + Arquitetura Corporativa Local */
    background: linear-gradient(135deg, rgba(31, 43, 129, 0.80), rgba(10, 14, 40, 0.80)), url('../assets/img/hero-bg.jpg');
    background-color: #1f2b81; /* Cor de segurança */
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Efeito Parallax */
    height: 90vh; 
    min-height: 600px;
    margin-top: 0; 
    padding-top: 100px; 
    display: flex;
    align-items: center;
    position: relative;
    color: #fff;
}

.hero h1 {
    font-weight: 800; /* Mais peso para impacto */
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    text-shadow: 0 10px 30px rgba(0,0,0,0.3); /* Sombra suave para leitura */
}

.hero .lead {
    font-weight: 300;
    opacity: 0.95;
    font-size: 1.35rem;
    line-height: 1.8;
    max-width: 800px; /* Limita largura para não cansar a leitura */
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Cards & Hover Effects */
.hover-card {
    border: none;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
}

.hover-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(31, 43, 129, 0.1) !important;
}

.icon-box {
    width: 70px;
    height: 70px;
    background: rgba(31, 43, 129, 0.05); /* Fundo muito sutil */
    color: var(--primary-color);
    border-radius: 12px; /* Quadrado arredondado é mais moderno que círculo total */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.hover-card:hover .icon-box {
    background: var(--primary-color);
    color: white !important;
    transform: scale(1.1);
}

/* Form Styling Clean */
.form-control {
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background-color: #fff;
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 43, 129, 0.1);
}

/* Buttons - Profissionais e Sólidos */
.btn {
    font-weight: 500;
    letter-spacing: 0.3px;
    padding: 0.6rem 1.5rem;
    border-radius: 6px; /* Bordas levemente arredondadas, não "pill" exagerado */
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(31, 43, 129, 0.25);
}

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

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* Responsividade */
@media (max-width: 991px) {
    .navbar-collapse {
        background: #fff;
        padding: 1.5rem;
        border-top: 1px solid #eee;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }
    
    .nav-link {
        margin-left: 0;
        padding: 0.8rem 0;
        border-bottom: 1px solid #f8f9fa;
    }
    
    .nav-link::after {
        display: none; /* Remove linha animada no mobile */
    }
}