:root {
    --primary-bg: #001b4c;
    --card-bg: #002c7a;
    --footer-bg: #001233;
    --accent-color: #ff0021;
    --text-color: #ffffff;
    --dark-text-color: #001b4c;
    --shadow-color: rgba(255, 0, 33, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
}

.hero {
    background: linear-gradient(rgba(0, 27, 76, 0.7), rgba(0, 18, 51, 0.9)), url('assets/img-1.png');
    background-size: cover;
    background-position: center;
    height: 100vh;
    color: white;
    display: flex;
    flex-direction: column;
}

/* --- Início da Seção da Barra de Navegação --- */

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: transparent;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: background 0.3s ease-in-out, backdrop-filter 0.3s ease-in-out;
    box-sizing: border-box;
}

.navbar.scrolled {
    background: rgba(0, 27, 76, 0.8);
    backdrop-filter: blur(10px);
}

/* Estilos Mobile (Padrão) */
.hamburger {
    display: block;
    cursor: pointer;
}

.hamburger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
}

.nav-links {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--primary-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.nav-links.active {
    display: flex;
}

.nav-links li {
    margin: 2rem 0;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.5rem;
    transition: color 0.3s;
}

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

/* Estilos Desktop (Telas maiores que 768px) */
@media (min-width: 769px) {
    .hamburger {
        display: none;
    }

    .nav-links {
        display: flex;
        position: static;
        flex-direction: row;
        height: auto;
        width: auto;
        background: none;
    }

    .nav-links li {
        margin: 0 0 0 2rem;
    }

    .nav-links a {
        font-size: 1rem;
    }
}

/* --- Fim da Seção da Barra de Navegação --- */

.hero-content {
    text-align: center;
    margin: auto;
}

.hero-logo {
    max-width: 400px; /* Ajuste o tamanho conforme necessário */
    margin-bottom: 1.5rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    text-shadow: 0 0 15px rgba(0,0,0,0.5);
}

.content-section {
    padding: 5rem 2rem;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    position: relative; /* Necessário para o overlay do fundo */
}

.content-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Estilos "Quem Somos" --- */
#quem-somos {
    background-image: linear-gradient(rgba(0, 27, 76, 0.9), rgba(0, 27, 76, 0.9)), url('assets/gbs-3.png');
    background-size: 100% 100%;
    background-position: center;
    background-attachment: fixed;
}

#quem-somos p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* --- Estilos "O Que Fazemos" --- */
#o-que-fazemos {
    background-image: linear-gradient(rgba(0, 27, 76, 0.9), rgba(0, 27, 76, 0.9)), url('assets/bgs-2.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.servicos-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.servico-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    width: 40%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.servico-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 25px var(--shadow-color);
}

.servico-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.servico-card li {
    margin-bottom: 0.5rem;
}

.servico-card i {
    margin-right: 10px;
    color: var(--accent-color);
}

/* --- Estilos "Marcas" --- */
#marcas {
    background-image: linear-gradient(rgba(0, 27, 76, 0.9), rgba(0, 27, 76, 0.9)), url('11.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Efeito Parallax */
}

/* --- Estilos do Carrossel de Marcas --- */
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.carousel-container {
    width: 100%;
    overflow: hidden;
    padding: 2rem 0;
    position: relative;
}

.carousel-track {
    display: flex;
    width: calc(250px * 18); /* 9 imagens duplicadas x 250px de largura estimada */
    animation: scroll 25s linear infinite;
}

.carousel-container:hover .carousel-track {
    animation-play-state: paused;
}

.carousel-track img {
    height: 75px;
    width: 150px;
    object-fit: contain;
    margin: 0 40px;
    opacity: 0.6;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.carousel-container:hover img {
    opacity: 1;
    transform: scale(1.05);
}

/* --- Estilos "Clientes" --- */
#clientes {
    background-color: #ffffff;
    color: var(--dark-text-color);
}

.clientes-carousel .carousel-track {
    width: calc(250px * 32); /* 16 imagens duplicadas x 250px */
    animation-duration: 60s; /* Animação mais lenta para mais imagens */
}

.clientes-carousel .carousel-track img {
    opacity: 1; /* Sem transparência */
    filter: grayscale(100%);
}

.clientes-carousel:hover .carousel-track img {
    filter: grayscale(0%);
}


/* --- Estilos do Rodapé --- */
footer {
    background: var(--footer-bg);
    padding: 3rem 2rem;
    text-align: center;
}

.contato-info i {
    margin-right: 10px;
}

.redes-sociais a {
    color: var(--text-color);
    margin: 0 1rem;
    text-decoration: none;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.redes-sociais a:hover {
    color: var(--accent-color);
}

.btn {
    background: var(--accent-color);
    color: var(--text-color);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--shadow-color);
}

.btn i {
    margin-right: 8px;
}

/* --- Estilos dos Botões Flutuantes --- */
.floating-action-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.whatsapp-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    transition: transform 0.3s;
}

.whatsapp-icon:hover {
    transform: scale(1.1);
}