/* Definição das Variáveis de Cor e Fonte */
:root {
    --primary-color: #38527e;
    --secondary-color: #5F85BB;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --white-color: #ffffff;
    --gray-color: #7f8c8d;
    --font-family: 'Roboto', sans-serif;
}

/* Estilos Globais e Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white-color);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.bg-light {
    background-color: var(--light-color);
}

/* Barra de Navegação */
.navbar {
    background: var(--white-color);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.navbar .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar .main-nav {
    display: none; /* Oculto por padrão */
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

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

/* Seletor de Idioma */
.lang-selector {
    display: flex;
    align-items: center;
    margin-left: 1rem;
    border-left: 1px solid #ccc;
    padding-left: 1rem;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: color 0.2s ease-in-out;
}

.lang-selector .separator {
    margin: 0 0.25rem;
    color: #ccc;
}

.lang-btn.active {
    font-weight: 700;
    color: var(--primary-color);
}

.lang-btn.inactive {
    font-weight: 500;
    color: var(--gray-color);
}

/* Menu Mobile */
.mobile-nav-toggle {
    display: block;
    /* Visível por padrão */
}

.mobile-nav-toggle button {
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-container {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--white-color);
    padding: 1rem 0;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.mobile-menu-container.open {
    display: flex;
}

.mobile-menu-link {
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--dark-color);
    font-size: 1.1rem;
    transition: background-color 0.3s;
}

.mobile-menu-link:hover {
    background-color: var(--light-color);
}

.mobile-lang-selector {
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 1px solid #eee;
}

/* Seção Hero */
#hero {
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d?q=80&w=2084&auto=format&fit=crop') no-repeat center center/cover;
    color: var(--white-color);
    text-align: center;
    padding: 6rem 0;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto 1.5rem;
}

.hero-content .slogan {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--light-color);
    margin-bottom: 2rem;
}

/* Botões */
.cta-button,
.cta-button-secondary {
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.cta-button {
    background: var(--primary-color);
    color: var(--white-color);
}

.cta-button:hover {
    background: var(--secondary-color);
}

.cta-button-secondary {
    background: var(--white-color);
    color: var(--primary-color);
    font-weight: 700;
}

.cta-button-secondary:hover {
    background: var(--light-color);
}

/* Seção de Vídeo */
#video {
    padding: 4rem 0;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    /* Proporção 16:9 */
    height: 0;
    overflow: hidden;
    max-width: 896px;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Seção Casos de Uso */
#use-cases {
    padding: 4rem 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.use-case-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.use-case-card h3 {
    text-transform: uppercase;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.use-case-card h4 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.simulated-search {
    background-color: #f0f2f5;
    border: 1px solid #e1e4e8;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.simulated-search i {
    color: #888;
    margin-right: 0.75rem;
}

.simulated-search span {
    color: #555;
    font-style: italic;
}


/* Seção Como Funciona */
#how-it-works {
    padding: 4rem 0;
}

.how-it-works-steps {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
    flex-wrap: wrap;
}

.step {
    max-width: 300px;
    text-align: center;
}

.step-icon {
    background: var(--primary-color);
    color: var(--white-color);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
}

.step-icon i {
    width: 40px;
    height: 40px;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

/* Seção Benefícios */
#benefits {
    padding: 4rem 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    text-align: left;
}

.benefit-card {
    background: var(--white-color);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.benefit-card i {
    color: var(--primary-color);
    margin-bottom: 1rem;
    width: 48px;
    height: 48px;
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.benefit-card p {
    color: var(--gray-color);
}

/* Seção Contato */
.contact-section {
    background: var(--primary-color);
    color: var(--white-color);
    padding: 4rem 0;
    text-align: center;
}

.contact-content p {
    font-size: 1.1rem;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Rodapé */
.footer {
    background: var(--dark-color);
    color: var(--light-color);
    text-align: center;
    padding: 2rem 0;
}

/* Design Responsivo */
@media (min-width: 768px) {
    .main-nav {
        display: flex !important;
    }

    .mobile-nav-toggle {
        display: none;
    }

    .use-cases-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 767px) {
    h2 {
        font-size: 2rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .how-it-works-steps {
        flex-direction: column;
        align-items: center;
    }
}