﻿/* Reset e Variáveis de Cores */
:root {
    --primary-color: #007BFF;
    --secondary-color: #0056b3;
    --accent-color: #00695C; /* Verde Petróleo Escuro */
    --accent-hover-color: #004D40;
    --text-color: #343A40;
    --text-light-color: #6C757D;
    --background-color: #F8F9FA;
    --surface-color: #FFFFFF;
    --surface-color-rgb: 255, 255, 255; /* Componentes RGB do surface-color (branco) */
    --border-color: #DEE2E6;
    --success-color: #28a745;
    --error-color: #dc3545;
    --whatsapp-color: #25D366;
    --whatsapp-hover-color: #1DA851;


    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;

    --shadow-sm: 0 2px 4px rgba(0,0,0,0.075);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.15);

    --focus-ring-color: rgba(0, 123, 255, 0.25);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Estilos Gerais */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.7;
    background-color: var(--background-color); /* Cor de fundo padrão */
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1140px;
    margin: 0 auto;
    overflow: visible;
    padding: 0 20px;
}

main {
    flex-grow: 1;
}


h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75em;
}
h1 { font-size: clamp(2.5em, 5vw, 3.5em); font-weight: 700; }
h2 { font-size: clamp(2em, 4vw, 2.8em); margin-bottom: 1.5em; text-align: center; }
h3 { font-size: clamp(1.3em, 3vw, 1.6em); color: var(--secondary-color);}
p { margin-bottom: 1em; color: var(--text-light-color); }

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: var(--accent-hover-color);
}

/* Estilo de Foco para Acessibilidade */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px var(--focus-ring-color);
}
a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
    outline: none;
}


/* Navegação Principal (index.html, orcamento.html) */
nav#main-nav {
    background: var(--surface-color);
    box-shadow: var(--shadow-sm);
    padding: 15px 0;
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: top 0.3s;
}
nav#main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav#main-nav .logo {
    font-family: var(--font-primary);
    font-size: 1.8em;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none; /* Garante que não haja sublinhado */
}

.nav-right-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

nav#main-nav .nav-links { /* ID: nav-menu-links */
    display: flex;
    align-items: center;
}
nav#main-nav .nav-links a {
    font-family: var(--font-primary);
    color: var(--text-color);
    padding: 8px 15px;
    margin: 0 5px;
    font-weight: 600;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
}
nav#main-nav .nav-links a:hover,
nav#main-nav .nav-links a.active {
    background-color: var(--primary-color);
    color: var(--surface-color);
}

/* Botão Login Admin no Header */
.header-admin-login-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    color: var(--text-light-color);
    transition: color 0.3s ease;
    margin-left: 10px;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
}
.header-admin-login-button img {
    width: 20px;
    height: 20px;
    display: block; /* Evita espaço extra abaixo da imagem */
}
.header-admin-login-button:hover {
    color: var(--primary-color);
}

/* Botão Menu Mobile */
.menu-toggle {
    display: none; /* Escondido por padrão */
    font-size: 1.8em;
    color: var(--primary-color);
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
    line-height: 1;
    margin-left: 5px;
}

/* Hero Section (index.html) */
.hero {
    background: linear-gradient(rgba(30, 30, 40, 0.7), rgba(10, 10, 20, 0.9)), /* Sobreposição ajustada */
                url('images/banner_principal.jpg') no-repeat center center/cover; /* Nova imagem */
    color: var(--surface-color);
    padding: clamp(80px, 20vh, 150px) 0;
    text-align: center;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.hero h1 {
    color: var(--surface-color);
    text-shadow: 2px 2px 8px rgba(0,0,0,0.4); /* Sombra um pouco mais forte */
}
.hero p {
    font-size: 1.25em;
    margin-bottom: 40px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255,255,255,0.9);
    font-weight: 300;
}
.cta-button {
    display: inline-block;
    background: var(--accent-color);
    color: var(--surface-color) !important;
    padding: 18px 35px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1.1em;
    border-radius: 50px;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-md);
    border: none;
    cursor: pointer;
}
.cta-button:hover {
    background: var(--accent-hover-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--surface-color) !important;
}

/* Seções Genéricas */
section {
    padding: 80px 0;
    overflow-x: hidden;
}
section:nth-child(even) {
    background-color: var(--surface-color);
}
.section-subtitle {
    text-align: center;
    color: var(--text-light-color);
    font-size: 1.1em;
    max-width: 700px;
    margin: -1.5em auto 2.5em auto;
}

/* Animação de entrada (Scroll Reveal) */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Nossos Serviços */
.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}
.servico-item {
    background: var(--surface-color);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.servico-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.servico-item img.icon {
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
    background-color: var(--primary-color);
    padding: 10px;
    border-radius: 50%;
}
.servico-item h3 { margin-top: 0; }
.servico-item p {
    flex-grow: 1;
    margin-bottom: 15px;
}
.servico-item h4 {
    font-size: 1.1em;
    color: var(--text-color);
    margin-top: 15px;
    margin-bottom: 10px;
}
.servico-item ul {
    list-style: none;
    padding: 0;
    margin-top: 0;
}
.servico-item ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
    color: var(--text-light-color);
    font-size: 0.95em;
}
.servico-item ul li::before {
    content: '✓';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2em;
    top: -2px;
}
.servico-item.destaque-3d {
    border: 2px solid var(--accent-color);
    position: relative;
    overflow: hidden;
}
.servico-item.destaque-3d::after {
    content: "Exclusivo!";
    position: absolute;
    top: 15px;
    right: -30px;
    background-color: var(--accent-color);
    color: white;
    padding: 5px 30px;
    font-size: 0.8em;
    font-weight: bold;
    transform: rotate(45deg);
    transform-origin: top right;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Como Funciona */
.processo-passos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}
.passo {
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--surface-color);
}
.passo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.passo .numero {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    line-height: 50px;
    font-size: 1.5em;
    font-weight: 600;
    margin-bottom: 20px;
    font-family: var(--font-primary);
    box-shadow: 0 2px 5px rgba(0,123,255,0.4);
}
.passo h4 { color: var(--secondary-color); }

/* Benefícios */
.beneficios-lista {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}
.beneficios-lista li {
    background: var(--surface-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    position: relative;
    padding-left: 50px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 70px;
    display: flex;
    align-items: center;
}
.beneficios-lista li:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-md);
}
.beneficios-lista li strong { color: var(--text-color); }
.beneficios-lista li::before {
    content: '';
    background-image: url('https://api.iconify.design/mdi:check-decagram.svg?color=%2300695C'); /* Usando nova cor de destaque */
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
}

/* Por que Escolher a Retech */
#por-que-retech .diferenciais {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
    margin-top: 40px;
}
#por-que-retech .diferencial-item {
    padding: 25px;
}
#por-que-retech .diferencial-item img.icon {
    display: block;
    margin: 0 auto 15px auto;
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    padding: 10px;
    border-radius: 50%;
}
#por-que-retech .diferencial-item h4 {
    color: var(--primary-color);
    font-size: 1.3em;
    margin-bottom: 10px;
}

/* Formulário de Contato (orcamento.html) */
#contato-form {
    background: var(--surface-color);
    color: var(--text-color);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-width: 700px;
    margin: 0 auto;
}
#contato-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
    font-family: var(--font-primary);
}
#contato-form input[type="text"],
#contato-form input[type="email"],
#contato-form input[type="tel"],
#contato-form textarea {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    font-family: var(--font-secondary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
#contato-form textarea {
    resize: vertical;
    min-height: 120px;
}
#contato-form button[type="submit"] {
    width: 100%;
    padding: 15px 30px;
    font-size: 1.1em;
}
/* Estilos para mensagens de feedback do formulário */
.form-feedback-message {
    margin-top: 15px;
    padding: 10px 15px;
    border-radius: 5px;
    font-size: 0.95em;
    text-align: center;
    transition: opacity 0.3s ease-in-out;
}
.form-feedback-message:empty {
    display: none;
}
.form-feedback-message.success {
    background-color: var(--success-color);
    color: white;
}
.form-feedback-message.error {
    background-color: var(--error-color);
    color: white;
}

/* Rodapé */
footer {
    background: var(--text-color);
    color: rgba(255,255,255,0.7);
    text-align: left; /* Alinhado à esquerda em desktop */
    padding: 30px 0;
    margin-top: auto;
}
footer p {
    margin: 6px 0;
    color: rgba(255,255,255,0.7);
    font-size: 0.9em;
}
footer a { color: var(--accent-color); }
footer a:hover { color: var(--surface-color); }
footer .logo-footer {
    font-family: var(--font-primary);
    font-size: 1.4em;
    font-weight: 700;
    color: var(--surface-color);
    margin-bottom: 10px;
}
.social-links {
    margin: 15px 0;
}
.social-links img {
    width: 26px;
    height: 26px;
    opacity: 0.7;
    transition: opacity 0.3s ease, transform 0.3s ease;
    vertical-align: middle;
}
.social-links img:hover {
    opacity: 1;
    transform: scale(1.1);
}
footer p:last-of-type {
    font-size: 0.75em;
    opacity: 0.6;
}

/* Estilo para seções standalone (orcamento.html) */
.page-section-standalone {
    padding-top: 60px;
    padding-bottom: 60px;
}
#contato-form-section.page-section-standalone {
    background-color: var(--background-color);
    color: var(--text-color);
}
#contato-form-section.page-section-standalone h2 {
    color: var(--primary-color);
    text-align: center;
}
#contato-form-section.page-section-standalone .section-subtitle {
    color: var(--text-light-color);
    text-align: center;
}
#contato-form-section.page-section-standalone #contato-form {
    margin-top: 20px;
}


/* Classe utilitária */
.text-center {
    text-align: center;
}
#cta-final-home h2 { /* Já centralizado pela regra global de h2 */ } banner_principal


/* Botão Flutuante do WhatsApp */
.whatsapp-flutuante {
    position: fixed;
    bottom: 25px;
    right: 25px; /* Posicionado à direita */
    width: 55px;
    height: 55px;
    background-color: var(--whatsapp-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000; /* Abaixo do antigo botão de admin, se coexistissem */
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease;
}
.whatsapp-flutuante:hover {
    background-color: var(--whatsapp-hover-color);
    transform: scale(1.1);
    color: white; /* Manter cor do ícone no hover */
}
.whatsapp-flutuante img {
    width: 28px;
    height: 28px;
}


/* Estilos para a Página de Login do Admin */
body.login-page-body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    align-items: center;
    position: relative;
    background-color: #111;
}
body.login-page-body::before { /* Pseudo-elemento para fundo com filtro */
    content: "";
    position: fixed;
    left: 0; right: 0; top: 0; bottom: 0;
    z-index: -1;
    background: url('images/banner_principal.jpg') no-repeat center center/cover;
    filter: brightness(0.35) blur(5px); /* Ajuste brilho/desfoque aqui */
}

.simple-header { /* Header simplificado para login */
    width: 100%;
    background-color: rgba(var(--surface-color-rgb), 0.1); /* Use --surface-color-rgb */
    padding: 15px 0;
    margin-bottom: auto;
    border-bottom: 1px solid rgba(var(--surface-color-rgb), 0.2);
    position: relative; /* Garante que fique sobre o ::before */
    z-index: 1;
}
.simple-header .container {
    display: flex;
    justify-content: flex-start;
}
.simple-header .logo {
    font-family: var(--font-primary);
    font-size: 1.8em;
    font-weight: 700;
    color: var(--surface-color); /* Logo branco para contraste */
    text-decoration: none;
}

.login-main { /* Área principal do conteúdo de login */
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    flex-grow: 1;
    position: relative;
    z-index: 1;
}

.login-container { /* Caixa do formulário */
    background-color: rgba(var(--surface-color-rgb), 0.95); /* Fundo do container levemente transparente */
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 450px;
    text-align: center;
}
.login-container h2 {
    color: var(--primary-color);
    margin-bottom: 0.5em;
}
.login-container .section-subtitle {
    margin-top: 0;
    margin-bottom: 1.5em;
    color: var(--text-light-color);
}

/* Formulário de Login Admin */
#admin-login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
}
#admin-login-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--secondary-color);
    font-family: var(--font-primary);
}
#admin-login-form input[type="text"],
#admin-login-form input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    font-family: var(--font-secondary);
    background-color: rgba(255,255,255,0.8);
}
#admin-login-form input[type="text"]:focus,
#admin-login-form input[type="password"]:focus {
    background-color: white;
}
#admin-login-form button[type="submit"] {
    width: 100%;
    padding: 12px 30px;
    font-size: 1.1em;
    margin-top: 10px;
}
/* Mensagem de feedback específica do login admin */
#admin-login-feedback {
    /* Herda estilos de .form-feedback-message */
}

.security-note-login { /* Aviso sobre simulação */
    font-size: 0.8em;
    color: var(--text-color);
    margin-top: 20px;
    padding: 10px;
    background-color: rgba(255, 243, 205, 0.85);
    border: 1px solid rgba(255, 238, 186, 0.9);
    border-radius: 5px;
    text-align: left;
}
.security-note-login strong {
    color: #856404;
}

.login-footer { /* Footer simplificado */
    width: 100%;
    text-align: center;
    padding: 20px 0;
    background-color: rgba(0,0,0, 0.3);
    color: rgba(255,255,255,0.6);
    font-size: 0.9em;
    margin-top: auto;
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(var(--surface-color-rgb), 0.2);
}
.login-footer p, .login-footer a {
    color: rgba(255,255,255,0.6);
}
.login-footer a:hover {
    color: rgba(255,255,255,0.9);
}


/* Responsividade */
@media(max-width: 992px) {
    .container { width: 95%; }
    h1 { font-size: clamp(2.2em, 4.5vw, 3em); }
    h2 { font-size: clamp(1.8em, 3.5vw, 2.5em); }
}

@media(max-width: 768px) {
    /* Ajustes Nav Mobile */
    .nav-right-group {
        gap: 5px;
    }
    nav#main-nav .nav-links { /* ID: nav-menu-links */
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--surface-color);
        box-shadow: var(--shadow-md);
        padding: 0;
        border-top: 1px solid var(--border-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-in-out, padding 0.4s ease-in-out;
        z-index: 10;
    }
    nav#main-nav .nav-links.mobile-active {
        max-height: 500px;
        padding: 10px 0;
    }
    nav#main-nav .nav-links a {
        display: block;
        width: 100%;
        text-align: center;
        padding: 12px 15px;
        margin: 0;
        border-bottom: 1px solid var(--border-color);
    }
    nav#main-nav .nav-links a:last-child {
        border-bottom: none;
    }
    .header-admin-login-button {
        margin-left: 5px;
        padding: 6px;
    }
    .header-admin-login-button img {
        width: 18px;
        height: 18px;
    }
    .menu-toggle {
        display: block;
    }

    /* Ajustes Gerais Mobile */
    .hero { min-height: auto; padding: 60px 0; }
    .hero h1 { font-size: clamp(2em, 6vw, 2.8em); }
    .hero p { font-size: 1.1em; }
    h2 { font-size: clamp(1.6em, 5vw, 2.2em); }

    section { padding: 60px 0; }

    .servicos-grid, .processo-passos, .beneficios-lista, #por-que-retech .diferenciais {
        grid-template-columns: 1fr;
    }
    .servico-item.destaque-3d::after {
        font-size: 0.7em;
        top: 10px;
        right: -35px;
    }
    #contato-form {
        padding: 30px;
    }
    .page-section-standalone {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    /* Footer Mobile */
    footer {
        text-align: center; /* Centraliza texto do rodapé */
    }
    footer .logo-footer {
        margin-left: auto; /* Centraliza logo se display não for flex */
        margin-right: auto;
    }

    /* Login e Botões Flutuantes Mobile */
    .login-container {
        padding: 25px 20px;
    }
    .whatsapp-flutuante {
        width: 50px;
        height: 50px;
        bottom: 20px;
        left: 20px;
    }
    .whatsapp-flutuante img {
        width: 26px;
        height: 26px;
    }
}

@media(max-width: 480px) {
    /* Ajustes Finais Mobile Pequeno */
    .hero h1 { font-size: clamp(1.8em, 7vw, 2.5em); }
    .hero p { font-size: 1em; }
    h2 { font-size: clamp(1.5em, 6vw, 2em); }
    .cta-button { padding: 15px 25px; font-size: 1em; }
    .servico-item { padding: 25px; }
    .passo { padding: 25px; }
    .beneficios-lista li { padding: 20px; padding-left: 45px; }
    #contato-form { padding: 20px; }

    footer { padding: 25px 0; }
    footer p { font-size: 0.8em; }
    footer .logo-footer { font-size: 1.2em; }
    .social-links img { width: 22px; height: 22px; }

    .login-container { padding: 20px 15px; } /* Mais ajuste para tela de login */
}

/* Estilo para o botão de excluir na tabela */
        .delete-client-btn {
            background-color: #e74c3c; /* Vermelho */
            color: white;
            border: none;
            padding: 5px 10px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.9em;
        }
        .delete-client-btn:hover {
            background-color: #c0392b; /* Vermelho mais escuro */
        }


/* Botão Flutuante do WhatsApp */
.whatsapp-flutuante {
    position: fixed;
    bottom: 25px;
    /* MODIFICADO: de 'left' para 'right' */
    right: 25px;
    width: 55px;
    height: 55px;
    background-color: var(--whatsapp-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease;
}
.whatsapp-flutuante:hover {
    background-color: var(--whatsapp-hover-color);
    transform: scale(1.1);
    color: white;
}
.whatsapp-flutuante img {
    width: 28px;
    height: 28px;
    display: block; /* Adicionado para garantir que a imagem não tenha espaçamento extra */
}

/* ... (restante do seu CSS) ... */

/* Dentro das Media Queries, ajuste se necessário para telas menores */
@media(max-width: 768px) {
    /* ... (outros estilos responsivos) ... */
    .whatsapp-flutuante {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px; /* Mantém no canto direito */
    }
    .whatsapp-flutuante img {
        width: 26px;
        height: 26px;
    }
    /* ... (outros estilos responsivos) ... */
}
