/* Paleta de Cores e Tipografia */
:root {
    --color-primary: #007bff; /* Azul vibrante (Destaque) */
    --color-secondary: #0056b3; /* Azul escuro (Hover) */
    --color-dark-bg: #2c2f33; /* Cinza escuro/Preto suave (Fundo principal) */
    --color-card-bg: #36393f; /* Fundo dos cartões */
    --color-light: #ffffff; /* Branco puro */
    --color-text-on-dark: #f0f0f0; /* Branco suave para texto */
    --color-border: #424549; /* Borda sutil */
    --color-light-bg: #f4f4f4; /* Fundo claro para contraste sutil (Portfólio/Contato) */
    --color-bot-bg: #212529; /* Fundo mais escuro para o corpo do chat */
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--color-dark-bg);
    color: var(--color-text-on-dark);
}

.container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Tipografia */
h1, h2, h3, h4 {
    margin-bottom: 0.6em;
    font-weight: 700;
    line-height: 1.2;
}

h2.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 3em;
    color: var(--color-light);
}

h2.section-title strong {
    color: var(--color-primary);
}

.logo-img {
    height: 70px;
    width: auto;
    display: block;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

/* Cartões Genéricos */
.card {
    background-color: var(--color-card-bg);
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    padding: 25px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
}

/* Botões */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

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

.primary-btn:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.4);
}

.primary-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.secondary-btn {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

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

.text-center {
    text-align: center;
}


/* Header/Navbar */
.navbar {
    background-color: var(--color-dark-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

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

.navbar nav ul li {
    margin-left: 30px;
}

.navbar nav ul li a {
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 5px 0;
    transition: color 0.3s ease, border-bottom 0.3s ease;
}

.navbar nav ul li a:hover {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

/* Seções */
.section-padding {
    padding: 100px 0;
}

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

/* NOVO: Classe para o fundo claro de contraste (Portfólio e Contato) */
.bg-light-contrast {
    background-color: var(--color-light-bg);
    color: var(--color-dark-bg); 
}

.bg-light-contrast .section-title {
    color: var(--color-dark-bg);
}

/* Seção Principal (Hero) */
.hero {
    background: 
        linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
        url('../img/hero.jpg') center center no-repeat;
    
    background-size: cover;
    background-attachment: fixed;
    padding: 120px 0 80px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto 50px auto;
}

.hero h2 {
    color: var(--color-light); 
    font-size: 3.5em;
    margin-bottom: 25px;
}

.hero h2 strong {
    color: var(--color-primary);
}

.tagline {
    font-size: 1.1em;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 10px;
}

/* Cards de Destaque no Hero */
.hero-cards {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

.hero-card {
    flex: 1;
    max-width: 250px;
    text-align: center;
    padding: 30px 20px;
    border: 1px solid var(--color-primary);
}

.hero-card i {
    font-size: 2.5em;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.hero-card h4 {
    margin-bottom: 5px;
}

.hero-card p {
    font-size: 0.9em;
    color: #b0b0b0;
}


/* Seção de Serviços Detalhada */
.service-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 40px;
}

.service-detail-card {
    padding: 0;
    overflow: hidden;
    text-align: left;
    border: none;
}

.service-detail-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.service-detail-card:hover img {
    transform: scale(1.05);
}

.card-body {
    padding: 25px;
}

.card-body h3 {
    color: var(--color-primary);
    margin-top: 0;
}

.card-body a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.card-body a:hover {
    color: var(--color-secondary);
}

/* Seção Portfólio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.portfolio-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 123, 255, 0.9);
    color: var(--color-light);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
    font-size: 1.5em;
    font-weight: 600; 
    opacity: 0;
    transition: opacity 0.5s ease;
}

.portfolio-item:hover .overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

/* Seção Sobre e Testemunhos */
.about-flex {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

.about-text {
    flex: 1;
    max-width: 50%;
    font-size: 1.1em;
}

.about-text strong {
    color: var(--color-primary);
}

.testimonials {
    flex: 1;
    display: grid;
    gap: 20px;
    max-width: 50%;
}

.testimonial-card {
    border-left: 5px solid var(--color-primary);
    padding: 25px;
    font-style: italic;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.testimonial-card i {
    color: var(--color-primary);
    font-size: 1.5em;
    margin-bottom: 10px;
}

.client-info {
    display: flex;
    align-items: center;
    margin-top: 15px;
}

.client-info img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    border: 2px solid var(--color-primary);
}

.client-info h4 {
    margin: 0;
    color: var(--color-primary);
}

.client-info small {
    color: #999;
}

/* Seção de Contato e Métricas */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
}

.trust-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.trust-metric {
    text-align: center;
    padding: 20px;
    border: 1px solid var(--color-primary);
    border-radius: 8px;
    background-color: var(--color-card-bg);
}

.trust-metric span {
    display: block;
    font-size: 3em;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 5px;
}

.trust-metric p {
    color: var(--color-text-on-dark);
}

.contact-form {
    background-color: var(--color-card-bg);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

/* Inputs do Formulário: Fundo Branco para Contraste */
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    font-size: 1em;
    background-color: var(--color-light); 
    color: var(--color-dark-bg);
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-primary);
    outline: none;
}

/* Estilo para as mensagens de feedback do formulário */
.form-message {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.form-message.show {
    opacity: 1;
}

.form-message.success {
    background-color: #1abc9c;
    color: var(--color-dark-bg);
}

.form-message.error {
    background-color: #e74c3c;
    color: var(--color-light);
}

/* Rodapé (Footer) */
footer {
    background-color: var(--color-dark-bg);
    color: #999;
    text-align: center;
    padding: 30px 0;
    border-top: 3px solid var(--color-primary);
    font-size: 0.9em;
}

.social-links {
    margin-bottom: 15px;
}

.social-links a {
    color: var(--color-text-on-dark);
    font-size: 1.5em;
    margin: 0 10px;
    transition: color 0.3s ease;
}

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


/* --- ANIMAÇÕES (Scroll-Reveal) --- */

.fade-in, .slide-up {
    opacity: 0;
    transition: opacity 1.2s ease-out;
}

.slide-up {
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* --- Botão Flutuante de Chat (FAB) --- */

.chat-fab-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.chat-fab-btn {
    width: 60px;
    height: 60px;
    padding: 0;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chat-fab-btn:hover {
    transform: scale(1.05);
}

/* --- Janela de Chat Customizada --- */

.chat-window-container {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 350px;
    height: 450px;
    background-color: var(--color-card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: flex;
    flex-direction: column;
    overflow: hidden;

    /* Estado inicial: Fechado (invisível) */
    transform: scale(0);
    opacity: 0;
    transform-origin: bottom right;
    transition: transform 0.4s ease-out, opacity 0.4s ease-out;
}

.chat-window-container.open {
    /* Estado Aberto */
    transform: scale(1);
    opacity: 1;
}

.chat-header {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.chat-header h4 {
    margin: 0;
}

.chat-header .close-btn {
    background: none;
    border: none;
    color: var(--color-light);
    font-size: 1.2em;
    cursor: pointer;
    transition: color 0.2s;
}

.chat-header .close-btn:hover {
    color: var(--color-text-on-dark);
}

.chat-body {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: var(--color-bot-bg); /* Fundo sutilmente mais escuro */
}

/* Estilos das Mensagens */
.chat-message {
    padding: 8px 12px;
    border-radius: 15px;
    margin-bottom: 10px;
    max-width: 80%;
    font-size: 0.9em;
    line-height: 1.3;
}

.chat-message.bot {
    background-color: var(--color-primary);
    color: var(--color-light);
    align-self: flex-start;
    margin-right: auto;
}

.chat-message.user {
    background-color: var(--color-light);
    color: var(--color-dark-bg);
    margin-left: auto;
}

/* Área de Input */
.chat-input-area {
    display: flex;
    padding: 10px;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-card-bg);
}

.chat-input-area input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    margin-right: 10px;
    font-size: 1em;
    background-color: var(--color-dark-bg);
    color: var(--color-text-on-dark);
}

.chat-input-area button {
    background-color: var(--color-primary);
    color: var(--color-light);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

.chat-input-area button:hover {
    background-color: var(--color-secondary);
}

/* Ajustes de Responsividade */
@media (max-width: 992px) {
    /* ... (Regras de responsividade anteriores) ... */
}

@media (max-width: 768px) {
    /* ... (Regras de responsividade anteriores) ... */
    .chat-window-container {
        width: 100%;
        height: 100%;
        top: 0;
        right: 0;
        bottom: 0;
        border-radius: 0;
        transform: scale(0);
        transition: transform 0.4s ease-out, opacity 0.4s ease-out;
    }
}

/* Ajustes de Responsividade */
@media (max-width: 992px) {
    h2.section-title {
        font-size: 2.5em;
    }
    .hero h2 {
        font-size: 2.8em;
    }
    .hero-cards {
        flex-direction: column;
        align-items: center;
    }
    .hero-card {
        max-width: 90%;
    }
    .about-flex, .contact-grid {
        flex-direction: column;
        gap: 40px;
    }
    .about-text, .testimonials {
        max-width: 100%;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .trust-metrics {
        grid-template-columns: 1fr 1fr; 
    }
}

@media (max-width: 768px) {
    .navbar nav {
        display: none;
    }
    .hero {
        padding: 80px 0;
    }
    .trust-metrics {
        grid-template-columns: 1fr;
    }
    .service-detail-grid, .portfolio-grid {
        gap: 20px;
    }
}