/* ===== VARIÁVEIS CSS (PALETA DE CORES TECH) ===== */
:root {
    --primary-color: #0b132b;    /* Azul Marinho muito escuro */
    --secondary-color: #1c2541;  /* Azul Escuro secundário */
    --accent-color: #00f0ff;     /* Ciano (Neon) para botões e destaques */
    --accent-hover: #00b8cc;     /* Ciano escuro para hover */
    --text-light: #ffffff;
    --text-gray: #a0aab2;
    --text-dark: #111111;
    --bg-light: #f4f7f6;
    --bg-white: #ffffff;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

/* ===== RESET GLOBAL ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth; /* Rolagem suave ao clicar nos links do menu */
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.text-center { text-align: center; }
.mt-auto { margin-top: auto; }

/* ===== TIPOGRAFIA E TÍTULOS ===== */
.section-title { margin-bottom: 50px; }
.section-title h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 800;
}
.section-title p {
    color: #555;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== BOTÕES ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--primary-color);
}
.btn-primary:hover {
    background-color: var(--accent-hover);
    color: white;
}

.btn-outline {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: transparent;
}
.btn-outline:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

/* ===== HEADER (CABEÇALHO) ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(11, 19, 43, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
    height: 80px;
}

.logo a {
    display: inline-flex;
    align-items: center;
}

.header-logo {
    height: 23px;
    width: auto;
    border-radius: 8px;
    display: block;
}

#nav-menu {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 25px;
    margin-right: 30px;
}

.nav-links a {
    color: var(--text-gray);
    font-weight: 500;
    transition: var(--transition);
}
.nav-links a:hover {
    color: var(--accent-color);
}

.menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
#hero {
    background-color: var(--primary-color);
    /* Um gradiente linear sutil simulando tecnologia */
    background-image: linear-gradient(135deg, rgba(11, 19, 43, 0.9), rgba(28, 37, 65, 0.9)), url('https://images.unsplash.com/photo-1620712943543-bcc4688e7485?q=80&w=2000&auto=format&fit=crop'); /* Imagem via unsplash para testes */
    background-size: cover;
    background-position: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--text-light);
    text-align: center;
    padding-top: 80px; /* Compensa o header fixo */
}

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

.hero-logo-large {
    width: min(280px, 45%);
    height: auto;
    border-radius: 14px;
    margin: 0 auto 28px;
    display: block;
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.28);
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}
.hero-content h1 span {
    color: var(--accent-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* ===== PRODUTOS SAAS ===== */
.produtos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.produto-card {
    background-color: var(--bg-white);
    border: 1px solid #e1e5eb;
    border-radius: 10px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.produto-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-color: var(--accent-color);
}

.produto-logo {
    width: auto;
    max-width: 150px;
    height: 46px;
    object-fit: contain;
    margin-bottom: 16px;
}

.produto-logo-vertical-ativos {
    max-width: 145px;
    height: 44px;
}

.produto-logo-trilheiro {
    max-width: 310px;
    height: 96px;
    align-self: flex-start;
}

.produto-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    background: #e8f0fe;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.produto-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.produto-card p {
    color: #555;
    margin-bottom: 20px;
}

.produto-features {
    margin-bottom: 30px;
}
.produto-features li {
    margin-bottom: 10px;
    color: #444;
}
.produto-features li i {
    color: var(--accent-hover);
    margin-right: 10px;
}

/* ===== SERVIÇOS CORPORATIVOS ===== */
.bg-light {
    background-color: var(--bg-light);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.servico-item {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    transition: var(--transition);
}
.servico-item:hover {
    transform: translateY(-5px);
}

.servico-item i {
    font-size: 2.5rem;
    color: var(--accent-hover);
    margin-bottom: 20px;
}
.servico-item h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.servico-item p {
    color: #666;
    font-size: 0.95rem;
}

.servicos-cta {
    margin-top: 32px;
    text-align: center;
}

/* ===== PALESTRAS (VAGNER CASSOL) ===== */
.dark-section {
    background-color: var(--primary-color);
    color: var(--text-light);
}
.dark-section .section-title h2 { color: var(--text-light); }
.dark-section .section-title p { color: var(--text-gray); }

.palestra-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.palestra-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}
.palestra-text p {
    color: var(--text-gray);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.palestra-carousel {
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    background-color: var(--secondary-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}

.palestra-track {
    display: flex;
    height: 100%;
    transition: transform 0.45s ease;
}

.palestra-slide {
    width: 100%;
    min-width: 100%;
    height: 100%;
    object-fit: cover;
}

.palestra-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(11, 19, 43, 0.7);
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.palestra-nav:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

.palestra-nav.prev { left: 12px; }
.palestra-nav.next { right: 12px; }

.palestra-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(11, 19, 43, 0.45);
}

.palestra-dot {
    width: 9px;
    height: 9px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    padding: 0;
}

.palestra-dot.active {
    background: var(--accent-color);
}

/* ===== CONTATO ===== */
.contato-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    background: var(--bg-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.05);
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}
.info-item i {
    font-size: 1.5rem;
    color: var(--accent-hover);
    margin-right: 15px;
    margin-top: 5px;
}
.info-item h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}
.info-item p, .info-item a {
    color: #555;
}
.info-item a:hover { color: var(--accent-hover); }

.contato-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.contato-form input, .contato-form select, .contato-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-main);
    font-size: 1rem;
}
.contato-form input:focus, .contato-form select:focus, .contato-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}
.contato-form select { grid-column: 1 / -1; }
.contato-form textarea { grid-column: 1 / -1; resize: vertical; }
.contato-form button { grid-column: 1 / -1; }

/* ===== FOOTER ===== */
footer {
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding-top: 60px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    width: auto;
    max-width: 440px;
    height: 108px;
    object-fit: contain;
    margin-bottom: 15px;
    border-radius: 6px;
    display: block;
}

.footer-brand h3 {
    margin-bottom: 15px;
}
.footer-brand h3 span { color: var(--accent-color); }
.footer-brand p { color: var(--text-gray); }

.footer-links h4, .footer-social h4 {
    margin-bottom: 20px;
    color: var(--accent-color);
}
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { color: var(--text-gray); transition: var(--transition); }
.footer-links ul li a:hover { color: var(--accent-color); padding-left: 5px; }

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    margin-right: 10px;
    color: var(--text-light);
    transition: var(--transition);
}
.social-icons a:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-gray);
    font-size: 0.9rem;
}

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(160deg, var(--accent-color), #008fa0);
    color: var(--primary-color);
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 1050;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(160deg, #00ffff, var(--accent-color));
}

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

/* Tablets */
@media (max-width: 992px) {
    .produtos-grid { grid-template-columns: 1fr; }
    .servicos-grid { grid-template-columns: repeat(2, 1fr); }
    .palestra-container { grid-template-columns: 1fr; text-align: center; }
    .palestra-carousel { max-width: 620px; margin: 0 auto; }
    .contato-container { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr 1fr; }
}

/* Mobile (Smartphones) */
@media (max-width: 768px) {
    .hero-logo-large { width: min(210px, 46%); }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-buttons { flex-direction: column; }
    .palestra-carousel { height: 300px; }
    .palestra-nav {
        width: 34px;
        height: 34px;
    }
    
    .servicos-grid { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; text-align: center; }
    
    .contato-form { grid-template-columns: 1fr; }
    
    /* Configuração do Menu Hamburguer */
    .menu-btn { display: block; }
    
    #nav-menu {
        position: absolute;
        top: 80px;
        left: -100%; /* Esconde fora da tela */
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.4s;
        padding: 20px 0;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
    }
    
    #nav-menu.active { left: 0; } /* Classe adicionada via JS para mostrar */
    
    .nav-links {
        flex-direction: column;
        margin-right: 0;
        gap: 20px;
        margin-bottom: 20px;
    }

    .back-to-top {
        width: 44px;
        height: 44px;
        right: 16px;
        bottom: 16px;
    }
}