/* === Variáveis Globais e Reset === */
:root {
    --primary-color: #0052cc;
    --secondary-color: #f4f5f7;
    --terciary-color: #4f4ed0;
    --dark-color: #172b4d;
    --light-color: #ffffff;
    --text-color: #5e6c84;
    --font-family: 'Montserrat', sans-serif; /* Montserrat */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === Barra de Navegação === */
.navbar {
    background: var(--light-color);
    padding: 1rem 0;
    border-bottom: 1px solid #dfe1e6;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.navbar .logo img {
    height: 40px;
}

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

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* === Ícone do Menu Hambúrguer (escondido em telas grandes) === */
.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
    background-color: var(--dark-color);
}

/* === Seção Hero === */
.hero {
    background-color: var(--terciary-color);
    text-align: center;
    padding: 80px 0;
}

.hero h1 {
    font-size: 3rem;
    color: var(--light-color);
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.5rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
    color: var(--light-color);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #0041a3;
    transform: translateY(-2px);
}

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

.btn-light:hover {
    background-color: var(--dark-color);
    color: var(--light-color);
    transform: translateY(-2px);
}

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

.btn-terciary:hover {
    background-color: var(--dark-color);
    color: var(--light-color);
    transform: translateY(-2px);
}

/* === Seção de Funcionalidades === */
.features {
    padding: 80px 0;
    text-align: center;
    background-color: var(--dark-color);
}

.features h2 {
    font-size: 2.5rem;
    color: var(--light-color);
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-item {
    background: var(--light-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    height: 100px;
    margin-bottom: 1.5rem;
}

.feature-item h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* === Seção de Contato === */
.contact-section {
    padding: 80px 0;
    background-color: var(--dark-color);
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--light-color);
    margin-bottom: 1rem;
}

.contact-section p {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem auto; /* Ajustado para dar espaço ao link */
    color: var(--light-color);
}

.contact-section a {
    text-align: center;
}

/* === Estilos para o Link do WhatsApp === */
.whatsapp-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    max-width: 350px; /* Limita a largura do botão */
    margin: 0 auto; /* Centraliza o botão */
    padding: 15px 30px;
    background-color: #25D366; /* Cor verde do WhatsApp */
    color: var(--light-color);
    text-decoration: none;
    border-radius: 50px; /* Botão arredondado */
    font-size: 1.1rem;
    font-weight: 700;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.whatsapp-link:hover {
    background-color: #1DA851; /* Verde mais escuro no hover */
    transform: translateY(-3px);
}

.whatsapp-icon {
    height: 48px; /* Tamanho do ícone */
    width: 48px;
}

/* === Rodapé === */
.footer {
    background-color: var(--terciary-color);
    color: var(--light-color);
    padding: 40px 0;
    text-align: center;
}

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

.footer p {
    flex-basis: 100%;
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--light-color);
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color);
}

@media (min-width: 768px) {
    .footer p {
        flex-basis: auto;
        margin-bottom: 0;
    }
}

/* === Estilos Responsivos para Dispositivos Móveis === */
@media (max-width: 768px) {
    /* === Ajustes Gerais === */
    .container {
        padding: 0 20px;
    }

    /* === Barra de Navegação com Menu Hambúrguer === */
    .hamburger {
        display: block;
        z-index: 1001; /* Garante que fique acima do menu */
    }

    /* Animação do ícone para "X" */
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        background-color: var(--light-color);
        width: 100%;
        height: 100vh;
        transition: left 0.3s ease-out;
        padding: 0;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin-left: 0;
    }

    .nav-links a {
        font-size: 1.5rem;
    }

    /* === Seção Hero === */
    .hero {
        padding: 60px 0;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    /* === Seções de Conteúdo === */
    .features,
    .contact-section {
        padding: 60px 0;
    }

    .features h2,
    .contact-section h2 {
        font-size: 2rem;
        margin-bottom: 3rem;
    }

    /* === Rodapé === */
    .footer .container {
        flex-direction: column;
        gap: 1rem;
    }
}