/* --- Variáveis Globais (Estética Dark/Tech estilo Tesla/Apple) --- */
:root {
    --bg-color: #0d1117;          /* Fundo quase preto */
    --surface-color: #161b22;     /* Superfície dos cards */
    --surface-hover: #1f242c;     /* Hover dos cards */
    --text-primary: #f0f6fc;      /* Texto principal claro */
    --text-secondary: #8b949e;    /* Texto secundário cinza */
    --accent-blue: #007aff;       /* Azul "Apple" */
    --accent-blue-hover: #005bb5;
    --accent-green: #25D366;      /* Verde WhatsApp */
    --accent-green-hover: #1da851;
    --border-color: rgba(255,255,255,0.05); /* Bordas sutis */
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* --- Resets e Configurações Básicas --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif; /* Fonte moderna e limpa */
}

html {
    scroll-behavior: smooth; /* Rolagem suave nativa */
    overflow-x: hidden;
    font-size: 16px; /* Base para rem */
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Utilitários */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.highlight { color: var(--accent-blue); }
.text-center { text-align: center; }

/* --- Tipografia --- */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 400;
}
.text-center {
	text-align: center;
}

/* --- Botões Modernos --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.8rem 1.8rem;
    border-radius: 8px; /* Cantos levemente arredondados style Apple */
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: #fff;
}
.btn-primary:hover { background-color: var(--accent-blue-hover); transform: translateY(-2px); }

.btn-whatsapp {
    background-color: var(--accent-green);
    color: #fff;
}
.btn-whatsapp:hover { background-color: var(--accent-green-hover); transform: translateY(-2px); }

.btn-outline {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    background: transparent;
}
.btn-outline:hover { background-color: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); }

.btn-large { padding: 1.1rem 2.5rem; font-size: 1.1rem; }

/* Efeito de Brilho Sutil (Glow) */
.glow-effect:hover {
    box-shadow: 0 0 20px rgba(0, 122, 255, 0.15);
}

/* --- Cabeçalho (Header) Fixado --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(13, 17, 23, 0.85); /* Efeito translúcido */
    backdrop-filter: blur(12px); /* Desfoque style Apple */
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    height: 80px;
    display: flex;
    align-items: center;
}

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

.logo {
    font-size: 1.6rem;
    color: var(--text-primary);
    text-decoration: none;
}
.logo img, .highlight img, .footer-brand img, .beneficios .section-title img {
	max-height: 45px;
	vertical-align: middle;
}
.footer-brand img {
	max-height: 200px;
    vertical-align: middle;
    margin: 0 auto 2rem auto;
    display: flex;
}
.logo strong { color: var(--accent-blue); }

.nav-links {
    display: flex;
    gap: 2.5rem;
}
.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}
.nav-links a:hover { color: var(--accent-blue); }

.menu-toggle {
    display: none; /* Escondido no desktop */
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    /* Imagem de fundo padrão tecnológica */
    background: url('l1-home-background.png') center/cover no-repeat;
    margin-top: 0; /* Header está fixado */
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(13,17,23,0.98) 30%, rgba(13,17,23,0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.tech-tag {
    color: var(--accent-blue);
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    display: block;
}

.hero h1 { font-size: 4rem; margin-bottom: 1.5rem; }
.hero p { font-size: 1.25rem; color: #ccc; margin-bottom: 3rem; max-width: 600px;}

.hero-buttons {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

/* --- Configurações Gerais de Seção --- */
section { padding: 8rem 0; }

.section-title { text-align: center; margin-bottom: 5rem; }
.section-title h2 { font-size: 2.8rem; }
.section-title p { max-width: 600px; margin: 0 auto; font-size: 1.1rem; }

/* --- Sobre --- */
.sobre { background-color: var(--bg-color); }
.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.sobre-lista { margin-top: 2rem; }
.sobre-lista li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-secondary);
}
.sobre-lista i { color: var(--accent-blue); font-size: 1.1rem; }

.sobre-img img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

/* --- Serviços (Grid de Cards) --- */
.servicos { background-color: #0a0d12; } /* Fundo ligeiramente diferente */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--surface-color);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    background-color: var(--surface-hover);
    border-color: rgba(255,255,255,0.1);
    box-shadow: var(--shadow);
}

.card-icon {
    font-size: 2.8rem;
    color: var(--accent-blue);
    margin-bottom: 2rem;
    display: inline-block;
}

.card h3 { font-size: 1.5rem; margin-bottom: 1.5rem; }

.card ul { margin-top: 1rem; }
.card ul li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    position: relative;
    padding-left: 1.5rem;
}
/* Bolinha customizada azul antes de cada item */
.card ul li::before {
    content: "";
    width: 6px; height: 6px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    position: absolute;
    left: 0; top: 8px;
}

.small-desc { font-size: 0.85rem; margin-top: -1rem; margin-bottom: 1.5rem;}

/* Card de Destaque (IA) */
.highlight-card {
    border-color: rgba(0, 122, 255, 0.3);
}
.highlight-card .card-icon { color: var(--accent-green); }
.highlight-card ul li::before { background-color: var(--accent-green); }

/* --- Benefícios (Flexbox) --- */
.beneficios { background-color: var(--bg-color); }

.beneficios-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
}

.beneficio-item {
    text-align: center;
    width: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.beneficio-item i {
    font-size: 3rem;
    color: var(--accent-blue);
    background-color: var(--surface-color);
    width: 100px; height: 100px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}
.beneficio-item h4 { font-size: 1.1rem; font-weight: 600; color: var(--text-primary); margin-top: 1rem;}

/* --- CTA (Call to Action) --- */
.cta {
    background: linear-gradient(135deg, #00428a 0%, #001f42 100%);
    color: #fff;
}
.cta h2 { font-size: 3rem; max-width: 700px; margin: 0 auto 1.5rem; }
.cta p { color: #e0e0e0; margin-bottom: 3.5rem; font-size: 1.1rem; }

/* =========================================
   ÁREA DE ARTIGOS (Blog)
   ========================================= */
.artigos {
    background-color: var(--bg-color);
}

/* Filtros / Categorias */
.artigos-filtros {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filtro {
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 50px; /* Estilo Pílula */
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.filtro:hover {
    border-color: rgba(255,255,255,0.2);
    color: var(--text-primary);
}

.filtro.ativo {
    background-color: rgba(255,255,255,0.1);
    color: var(--text-primary);
    border-color: rgba(255,255,255,0.2);
}

/* Grid de Artigos */
.artigos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.artigo-card {
    background-color: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.artigo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: rgba(255,255,255,0.1);
}

.artigo-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.artigo-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.artigo-card:hover .artigo-img img {
    transform: scale(1.08); /* Efeito de zoom suave na foto */
}

.artigo-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.artigo-tag {
    align-self: flex-start;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--accent-blue);
    background-color: rgba(0, 122, 255, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.artigo-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.artigo-content p {
    font-size: 0.9rem;
    flex-grow: 1; /* Empurra o botão pro final do card */
}

/* Link "Ler Mais" */
.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 1rem;
    text-decoration: none;
    transition: var(--transition);
}

.btn-link i {
    font-size: 0.8rem;
    color: var(--accent-blue);
    transition: transform 0.3s ease;
}

.btn-link:hover i {
    transform: translateX(5px); /* Setinha move para a direita */
}

/* --- Card de Artigo Destaque (Verde) --- */
.highlight-artigo {
    border-color: rgba(37, 211, 102, 0.3);
}

.glow-effect-green:hover {
    box-shadow: 0 0 25px rgba(37, 211, 102, 0.15);
}

.tag-green {
    color: var(--accent-green);
    background-color: rgba(37, 211, 102, 0.1);
}

.link-green i {
    color: var(--accent-green);
}

/* Ajuste Responsivo para Artigos */
@media (max-width: 768px) {
    .artigos-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Contato --- */
.contato { background-color: #0a0d12; }
.contato-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.info-item {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.info-item i {
    font-size: 1.4rem;
    color: var(--accent-blue);
    margin-top: 0.3rem;
}

.info-item a { text-decoration: none; color: var(--text-secondary); }
.info-item a:hover { color: var(--accent-blue); }

.contato-mapa {
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    min-height: 400px;
    box-shadow: var(--shadow);
}

/* --- Footer --- */
footer {
    background-color: #06090e; /* Mais escuro que o bg */
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand { max-width: 400px; }
.footer-brand h3 { font-size: 1.5rem; color: var(--text-primary); }

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.footer-links h4 { color: var(--text-primary); margin-bottom: 1rem; font-size: 1.1rem;}
.footer-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.footer-links a:hover { color: var(--accent-blue); }

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.3);
}

/* --- Botão Flutuante WhatsApp --- */
.float-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--accent-green);
    color: white;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.4);
    z-index: 999;
    text-decoration: none;
    transition: var(--transition);
}

.float-whatsapp:hover { transform: scale(1.08); background-color: var(--accent-green-hover); }

/* --- Animação JS Base --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   RESPONSIVIDADE (Mobile First)
   ========================================= */

/* Tablets e Celulares Grandes */
@media (max-width: 992px) {
    html { font-size: 15px; } /* Reduz a base do rem */
    h1 { font-size: 3.2rem; }
    .hero h1 { font-size: 3.2rem; }
    .section-title h2 { font-size: 2.4rem; }
    
    .sobre-grid, .contato-grid { grid-template-columns: 1fr; gap: 3rem; }
    .sobre-img { order: -1; } /* Imagem vem antes no mobile */
}

/* Celulares Medianos e Pequenos */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .hero h1 { font-size: 2.5rem; }
    
    section { padding: 5rem 0; }
    .section-title { margin-bottom: 3rem; }

    /* Esconde menu normal, mostra hambúrguer */
    .nav-links, .nav-btn { display: none; }
    .menu-toggle { display: block; }
    
    /* Estado Ativo do Menu Mobile (Vanilla JS ativa isso) */
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px; /* Altura do header */
        left: 0;
        width: 100%;
        background-color: var(--surface-color);
        padding: 2rem;
        border-bottom: 1px solid var(--border-color);
        gap: 1.5rem;
        box-shadow: var(--shadow);
    }
    .nav-links.active a { font-size: 1.1rem; }
    
    .hero { text-align: center; }
    .hero-buttons { justify-content: center; }
    
    .cards-grid { grid-template-columns: 1fr; }
    
    .beneficios-grid { gap: 2rem; }
    .beneficio-item { width: 140px; }
    .beneficio-item i { width: 80px; height: 80px; font-size: 2.5rem; }
    
    .cta h2 { font-size: 2.2rem; }
    
    .contato-mapa { min-height: 300px; }
    
    .footer-content { flex-direction: column; text-align: center; }
    .footer-brand { margin: 0 auto; }
    .footer-links { align-items: center; }
}