/* ===================================================================
   ARQUIVO DE ESTILOS PRINCIPAL - NEXUS INNOVA
   -------------------------------------------------------------------
   1. CONFIGURAÇÕES GLOBAIS
   2. LAYOUT PRINCIPAL (HEADER & FOOTER)
   3. SEÇÕES DA PÁGINA PRINCIPAL (INDEX.HTML)
   4. COMPONENTES FLUTUANTES
   5. PÁGINAS INTERNAS
   6. RESPONSIVIDADE (MEDIA QUERIES)
=================================================================== */

/* ==============================
   1. CONFIGURAÇÕES GLOBAIS
============================== */

/* --- Importação da Fonte --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* --- Variáveis CSS (Tema do Site) --- */
:root {
    --color-primary-dark: #0b1a2f;
    --color-primary-medium: #1e3a8a;
    --color-accent: #4ade80;
    --color-accent-hover: #22c55e;
    --color-white: #ffffff;
    --color-bg-light: #f8fafc;
    --color-bg-grey: #eef2f6;
    --color-text-primary: #333;
    --color-text-secondary: #666;
    --color-warning: #f59e0b;

    --font-primary: 'Poppins', sans-serif;

    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);

    --border-radius: 16px;
    --transition-fast: all 0.3s ease;
}

/* --- Reset Global e Padrões --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-light);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

section {
    padding: 4rem 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    color: var(--color-primary-dark);
    margin-bottom: 3rem;
    font-weight: 700;
}

h1,
h2,
h3 {
    line-height: 1.3;
    font-weight: 700;
    color: var(--color-primary-dark);
}

p {
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

a {
    color: var(--color-primary-medium);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* ==============================
   2. LAYOUT PRINCIPAL
============================== */

/* --- 2.1 Header & Navegação --- */
header {
    background: var(--color-white);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-light);
}

header.scrolled {
    background: rgba(11, 26, 47, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.5rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo img {
    height: 40px;
    transition: var(--transition-fast);
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    z-index: 1002;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-primary-dark);
    margin: 4px 0;
    transition: 0.4s;
    border-radius: 3px;
}

header.scrolled .menu-toggle span {
    background: var(--color-white);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-7px, 7px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-7px, -7px);
}

.nav-links {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-primary-dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    list-style: none;
    transition: left 0.4s ease-in-out;
    gap: 2.5rem;
    z-index: 1001;
    padding: 0;
}

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

.nav-links a {
    color: var(--color-white);
    font-weight: 500;
    font-size: 1.5rem;
}

.logo img {
    height: 35px;
    transition: var(--transition-fast);
}

/* Esconde a logo de scroll por padrão */
.logo-scrolled {
    display: none;
}

/* Quando o header tiver a classe .scrolled... */
header.scrolled .logo-main {
    display: none;
    /* ...esconde a logo principal... */
}

header.scrolled .logo-scrolled {
    display: block;
    /* ...e mostra a logo de scroll. */
}

/* --- 2.2 Footer --- */
footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: 4rem 1.5rem 2rem;
    text-align: center;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.footer-col .logo img {
    height: 60px;
    margin: 0 auto 1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col p,
.footer-col a {
    color: var(--color-bg-grey);
    opacity: 0.8;
}

.footer-col ul a {
    margin-bottom: 0.8rem;
    display: inline-block;
}

.footer-col a:hover {
    color: var(--color-accent);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.social-links a {
    font-size: 1.6rem;
    color: var(--color-white);
}

.footer-bottom {
    padding-top: 2rem;
    font-size: 0.9rem;
    opacity: 0.7;
}


/* ==============================
   3. SEÇÕES DA PÁGINA PRINCIPAL
============================== */

/* --- 3.1 Seção Hero --- */
.hero {
    background-image: linear-gradient(rgba(11, 26, 47, .50), rgba(30, 58, 138, 1)), url('/images/hero-background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed; 
    color: var(--color-white);
    padding: 17rem 1.5rem 5rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-bg-light);
}

.hero .cta-button {
    margin-top: 0;
}

.cta-button {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    padding: 0.9rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    background: var(--color-accent-hover);
    color: var(--color-white);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.4);
}

/* --- 3.2 Seção Sobre (About) --- */
.about-content {
    display: flex; 
    flex-direction: column; 
    gap: 2rem;
    align-items: center;
}

.about-image {
    order: -1; 
    width: 100%;
 }

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    width: 100%; 
}

.about-text h2 span {
    color: var(--color-primary-medium);
    display: block;
}

/* --- 3.3 Seção Processo --- */
.process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.process-step {
    padding: 2rem;
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

/* --- 3.4 Seção Time (Team) --- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.team-card {
    text-align: center;
    padding: 2rem 1rem;
}

.team-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--color-white);
    box-shadow: var(--shadow-medium);
}

.team-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.social-links-team {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-links-team a {
    font-size: 1.2rem;
}

/* --- 3.5 Seção Serviços --- */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.service-card {
    padding: 2.5rem;
    text-align: center;
    background: var(--color-bg-grey);
    border-radius: var(--border-radius);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-primary-medium);
    margin-bottom: 1.5rem;
    transition: var(--transition-fast);
}

.service-card:hover {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-medium);
    transform: translateY(-5px);
}

.service-card:hover h3,
.service-card:hover p {
    color: var(--color-white);
}

.service-card:hover .service-icon {
    color: var(--color-accent);
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: var(--color-primary-medium);
}

.service-card p {
    color: var(--color-text-secondary);
}


.service-download-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary-medium);
    background-color: transparent;
    border: 2px solid var(--color-primary-medium);
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.service-download-btn:hover {
    background-color: var(--color-white);
    color: var(--color-primary-dark);
    transform: translateY(-3px); /* Efeito sutil ao passar o mouse */
}

.service-download-btn i {
    margin-right: 0.5rem;
}

/* --- 3.6 Seção Projetos --- */
.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.project-card {
    display: flex;
    flex-direction: column;
}

.project-card .project-image-container {
    position: relative;
    overflow: hidden;
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.project-status {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 50px;
    color: var(--color-primary-dark);
    z-index: 2;
}

.project-status.concluido {
    background-color: var(--color-accent);
}

.project-status.em-andamento {
    background-color: var(--color-warning);
}

.project-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

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

.project-technologies {
    margin-top: auto;
    padding-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background-color: var(--color-bg-grey);
    color: var(--color-text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
}

.project-info .cta-button {
    background: var(--color-primary-medium);
    color: var(--color-white);
    padding: 0.8rem 1.5rem;
    align-self: flex-start;
    margin-top: 1.5rem;
}

.project-info .cta-button:hover {
    background: var(--color-primary-dark);
}

/* Botão secundário (para o GitHub) */
.cta-button.secondary {
    background: var(--color-bg-grey);
    color: var(--color-primary-dark);
    box-shadow: none;
}

.cta-button.secondary:hover {
    background: #d1d5db;
    /* Um cinza um pouco mais escuro */
    box-shadow: var(--shadow-light);
}

.cta-button.secondary i {
    margin-right: 0.5rem;
}

/* Seção de contato na página de projeto */
.project-contact {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-bg-grey);
}

.project-contact h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

#project-contact-form {
    margin-top: 1.5rem;
    display: grid;
    gap: 1rem;
}

#project-contact-form .form-group {
    width: 100%;
    position: relative;
    padding-bottom: 1.5rem; 
}

.error-text {
    position: absolute;
    bottom: 0;
    left: 5px;
    color: #ef4444; /* Vermelho para erros */
    font-size: 0.8rem;
    font-weight: 500;
}

#project-contact-form input.invalid {
    border-color: #ef4444;
    background-color: #fee2e2;
}

#project-contact-form input {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 1rem;
    font-family: var(--font-primary);
}

#project-contact-form button {
    width: auto;
    justify-self: start;
}

/* Mensagens de sucesso/erro do formulário */
#form-message {
    margin-top: 1rem;
    padding: 0.8rem;
    border-radius: 8px;
    font-weight: 500;
}

.form-success {
    background-color: #d1fae5;
    color: #065f46;
}

.form-error {
    background-color: #fee2e2;
    color: #991b1b;
}

/* --- 3.7 Seção Blog (Homepage) --- */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.blog-post {
    display: flex;
    flex-direction: column;
}

.blog-post img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.post-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.post-content p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.read-more {
    font-weight: 600;
    margin-top: auto;
    align-self: flex-start;
}

.blog-controls {
    text-align: center;
    margin-top: 3rem;
}

/* --- 3.8 Seção Contato & Quiz --- */
.contact {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-medium));
    color: var(--color-white);
}

.contact .section-title,
.contact .contact-info h3 {
    color: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    gap: 1rem;
}

.contact-item p,
.contact-info>p {
    color: var(--color-bg-grey);
    opacity: 0.9;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.contact-item a {
    color: var(--color-white);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.quiz-step .form-group label {
    margin-bottom: 1rem;
    display: block;
    font-weight: 600;
}

.quiz-step select {
    width: 100%;
    padding: 0.8rem;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
}

.quiz-controls {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
}

.quiz-controls .submit-btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
}

.quiz-controls button:disabled {
    background: #9e9e9e;
    color: #666;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.7;
}


/* ==============================
   4. COMPONENTES FLUTUANTES
============================== */

/* --- 4.1 Botão WhatsApp --- */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: white;
    height: 55px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 999;
    text-decoration: none;
    transition: all 0.4s ease;
    overflow: hidden;
}

.whatsapp-float:hover{
    color: var(--color-white);
}

.whatsapp-float i {
    font-size: 1.8rem;
    padding: 0 14px;
}

.whatsapp-text {
    font-size: 1rem;
    font-weight: 600;
    white-space: nowrap;
    max-width: 0;
    opacity: 0;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.05);
    border-radius: 30px;
}

.whatsapp-float:hover .whatsapp-text {
    max-width: 150px;
    opacity: 1;
    padding-right: 15px;
}

/* --- 4.2 Botão e Janela do Chatbot --- */
.chatbot-float {
    position: fixed;
    right: 20px;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    z-index: 1000;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--color-white);
    text-decoration: none;
    background-color: var(--color-primary-medium);
    bottom: 90px;
    font-size: 1.6rem;
}

.chatbot-float:hover {
    background-color: var(--color-primary-dark);
    transform: scale(1.1);
}

.chatbot-window {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 350px;
    height: 500px;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.5) translateY(100px);
    opacity: 0;
    pointer-events: none;
    transform-origin: bottom right;
    transition: all 0.3s ease-in-out;
}

.chatbot-window.active {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.chatbot-header {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: 0.8rem 1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#chatbot-close-btn {
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
}

.chatbot-window .chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: #f4f7f9;
}

.chat-message {
    padding: 0.8rem 1.2rem;
    border-radius: 20px;
    max-width: 80%;
    line-height: 1.5;
    animation: fadeIn 0.5s ease-in-out;
}

.bot-message {
    background-color: var(--color-bg-grey);
    color: var(--color-text-primary);
    border-bottom-left-radius: 5px;
    align-self: flex-start;
}

.user-message {
    background-color: var(--color-primary-medium);
    color: var(--color-white);
    border-bottom-right-radius: 5px;
    align-self: flex-end;
}

.chatbot-window .chat-options {
    padding: 1rem;
    border-top: 1px solid var(--color-bg-grey);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    background-color: var(--color-white);
}

.chat-option-btn {
    background-color: var(--color-white);
    color: var(--color-primary-medium);
    border: 1px solid var(--color-primary-medium);
    padding: 0.6rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

.chat-option-btn:hover {
    background-color: var(--color-primary-medium);
    color: var(--color-white);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-input-container {
    display: flex;
    width: 100%;
    gap: 0.5rem;
}

.chat-text-input {
    flex-grow: 1;
    border: 1px solid #ddd;
    border-radius: 50px;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    font-family: var(--font-primary);
}

.chat-submit-btn {
    background-color: var(--color-primary-medium);
    color: var(--color-white);
    border: none;
    padding: 0 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.chat-submit-btn:hover {
    background-color: var(--color-primary-dark);
}


/* ==============================
   5. PÁGINAS INTERNAS
============================== */

/* --- 5.1 Página do Blog (Listagem) --- */
#blog-list {
    padding-top: 8rem;
}

.blog-controls {
    margin-bottom: 3rem;
    text-align: center;
}

#blog-search {
    width: 100%;
    max-width: 400px;
    padding: 0.8rem 1rem;
    border-radius: 50px;
    border: 1px solid #ddd;
    font-size: 1rem;
}

/* --- 5.2 Página de Post e Projeto (Detalhes) --- */
.blog-post-page,
.project-page {
    padding: 8rem 0 4rem 0;
}

.post-container,
.project-container {
    max-width: 800px;
}

.full-post,
.full-project {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.post-image,
.project-page-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.full-post h1,
.full-project h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.full-post h2,
.full-project h2 {
    font-size: 1.6rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.full-post ul,
.full-post ol,
.full-project ul,
.full-project ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.breadcrumbs {
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.post-meta {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-bg-grey);
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.post-meta .fas {
    color: var(--color-primary-medium);
}

#related-posts {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-bg-grey);
}

.project-links {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.read-more-back {
    font-weight: 600;
}

/* ==============================
   7. PÁGINA DE SERVIÇO (NOVO)
============================== */

.service-page {
    padding: 8rem 0 4rem 0;
    background-color: var(--color-white);
}

.service-container {
    max-width: 900px;
}

.full-service {
    background: var(--color-bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.full-service h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    text-align: center;
}

.service-intro {
    font-size: 1.1rem;
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-bg-grey);
}

.service-details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.video-container h2, .ebook-cta h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary-dark);
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #000;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    text-align: center;
    padding: 1rem;
}

.video-placeholder .fas {
    font-size: 4rem;
    opacity: 0.5;
    margin-bottom: 1rem;
}

.ebook-cta {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--color-bg-grey);
}

.ebook-cta .fas.fa-book-open {
    font-size: 3rem;
    color: var(--color-primary-medium);
    margin-bottom: 1rem;
}

.ebook-cta .cta-button {
    margin-top: 1.5rem;
}

/* Estilos para a capa do E-book na página de serviço */
.ebook-cover {
    max-width: 180px; /* Define um tamanho máximo para a capa */
    width: 100%;
    margin: 0 auto 1.5rem auto; /* Centraliza a imagem e adiciona espaço abaixo */
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-fast);
}

/* Efeito sutil ao passar o mouse sobre a caixa do e-book */
.ebook-cta:hover .ebook-cover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

/* Ajuste no botão "Saiba Mais" do card de serviço na home */
.service-details-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary-medium);
    background-color: transparent;
    border: 2px solid var(--color-primary-medium);
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.service-details-btn:hover {
    background-color: var(--color-primary-medium);
    color: var(--color-white);
    transform: translateY(-3px);
}

.service-details-btn i {
    margin-right: 0.5rem;
}

/* Media query para telas maiores */
@media (min-width: 768px) {
    .full-service {
        padding: 3rem;
    }

    .service-details-grid {
        /* Esta linha define que os itens têm o mesmo tamanho */
        grid-template-columns: 1fr;
        align-items: center;
    }
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 177.78%; /* Proporção 9:16 (Vertical Stories/Reels) */
    background-color: #000;
    border-radius: var(--border-radius);
    overflow: hidden;
}

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

/* ==============================
   6. RESPONSIVIDADE (MEDIA QUERIES)
============================== */

/* --- Telas de Tablet (768px ou mais) --- */
@media (min-width: 768px) {

    .about-content {
        flex-direction: row; 
        gap: 4rem;
        align-items: center;
    }

    .about-text {
        flex: 1;
    }

    .about-image {
        order: 0;
        flex: 1;
    }

    .about-content h2{
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .menu-toggle {
        display: none;
    }

    .nav-links {
        position: static;
        flex-direction: row;
        height: auto;
        width: auto;
        background: none;
        gap: 2rem;
    }

    .nav-links a {
        color: var(--color-primary-dark);
        font-size: 1rem;
        position: relative;
    }

    header.scrolled .nav-links a {
        color: var(--color-white);
    }

    .nav-links a::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: -5px;
        left: 0;
        background: var(--color-accent);
        transition: width 0.3s ease;
    }

    .nav-links a:hover::after {
        width: 100%;
    }

    .services-grid,
    .project-grid,
    .blog-grid,
    .related-posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
        text-align: left;
    }

    .footer-col .logo img,
    .footer-col .social-links {
        margin-left: 0;
        justify-content: flex-start;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* --- Telas de Desktop (1024px ou mais) --- */
@media (min-width: 1024px) {
    .section-title {
        font-size: 2.8rem;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero p {
        font-size: 1.2rem;
        max-width: 800px;
    }

    .services-grid,
    .project-grid,
    .blog-grid,
    .related-posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* --- Telas pequenas (Chatbot) --- */
@media (max-width: 480px) {
    .chatbot-window {
        width: 100%;
        height: 100%;
        bottom: 0;
        right: 0;
        border-radius: 0;
    }
}

/* No seu style.css (pode ser no final do arquivo) */

.ebook-cta {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--color-bg-grey);
    display: grid; /* Adicionado */
    grid-template-columns: 1fr; /* Padrão mobile: empilhado */
    gap: 1.5rem; /* Adicionado */
    align-items: center; /* Adicionado */
}

.ebook-cover {
    max-width: 180px;
    width: 100%;
    margin: 0 auto; /* Centraliza no mobile */
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-fast);
}

.ebook-cta:hover .ebook-cover {
    transform: none; /* Remove o efeito de subir antigo */
    box-shadow: var(--shadow-medium);
}

/* Novo layout para desktop */
@media (min-width: 768px) {
    .ebook-cta {
        /* Imagem (1fr) ao lado do texto (2fr) */
        grid-template-columns: 1fr 2fr;
        text-align: left; /* Alinha o texto à esquerda */
        padding: 3rem;
    }

    .ebook-cover {
        max-width: 220px; /* Imagem um pouco maior */
        margin: 0; /* Remove a centralização */
    }

    .ebook-text-content .cta-button {
        margin-top: 1.5rem;
    }
}

/* ==================================================
   AJUSTES DE ESPAÇAMENTO (Juntar mais o conteúdo)
   ================================================== */

/* 1. Diminuir espaço abaixo do Cabeçalho */
.project-header {
    margin-bottom: 1.5rem !important; /* Era 3rem */
    padding: 2rem 1.5rem; /* Reduzi um pouco o "gordo" de dentro também */
}

/* 2. Diminuir espaço abaixo da Imagem Principal */
.project-hero {
    margin-bottom: 2rem !important; /* Era 4rem */
}

/* 3. Diminuir espaço abaixo dos Botões (Azul e Preto) */
.project-links {
    margin-bottom: 2.5rem !important; /* Era 4rem */
}

/* 4. Juntar mais os cards de texto (Desafio, Solução, etc) */
.case-study-content {
    gap: 1.5rem; /* Era 2rem */
}

/* Deixar os cards de texto mais compactos internamente */
.case-study-content section {
    padding: 1.5rem; /* Era 2.5rem */
}

/* 5. Diminuir a linha divisória antes do formulário */
hr {
    margin: 2rem 0 !important; /* Era 4rem */
}

/* 6. Ajustar o formulário para não ficar tão longe do resto */
.project-contact {
    padding: 2rem !important; /* Era 3rem */
    margin-top: 0 !important;
}