:root {
    /* Cores Premium Dark Alinhadas com o Novo Conceito e Capa do Ebook */
    --cyber-black: #343533;         /* Fundo ultra dark de alto padrão */
    --cyber-charcoal: #14171F;      /* Fundo cinza carvão para quebras de blocos */
    --cyber-purple-bg: #1B1326;     /* Roxo profundo para degradês de imersão */
    --neon-cyan: #00E5FF;           /* O ciano elétrico aceso na linha central da capa */
    --orange-cta: #FF5722;          /* Laranja coral neon da Guia Network para conversão imediata */
    --text-muted: #8F9CA7;
}

/* Configurações Globais de Interface */
body { 
    font-family: 'Inter', sans-serif; 
    color: #FFFFFF; 
    background-color: var(--cyber-black); 
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { 
    font-family: 'Inter', sans-serif; 
    font-weight: 700; 
    letter-spacing: -0.03em;
}
.fw-black { font-weight: 900; }

/* Menu de Navegação Blocado com Desfoque */
.navbar { 
    background-color: rgba(13, 14, 18, 0.85) !important; 
    backdrop-filter: blur(15px);
    padding: 14px 0; 
    border-bottom: 1px solid rgba(0, 229, 255, 0.12);
}
.navbar .nav-link { 
    font-weight: 700; 
    color: rgba(255, 255, 255, 0.75) !important; 
    text-transform: uppercase; 
    font-size: 0.75rem; 
    letter-spacing: 1px; 
}
.navbar .nav-link:hover, .navbar .nav-link.active { 
    color: var(--neon-cyan) !important; 
}
.nav-link-icon { color: #FFFFFF; font-size: 1.1rem; transition: 0.25s; }
.nav-link-icon:hover { color: var(--neon-cyan); }

/* Hero Section com Ajuste Técnico de Exibição */
.hero-section { padding: 190px 0 110px; background-color: var(--cyber-black); }
.badge-cyber { 
    background: linear-gradient(135deg, #7928CA 0%, #4B148B 100%) !important; 
    color: #FFFFFF; font-weight: 700; font-size: 0.75rem; padding: 8px 16px; border-radius: 4px; letter-spacing: 0.5px;
}
.text-gradient {
    background: linear-gradient(90deg, var(--neon-cyan), #1F9199);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.text-glow { color: #E5E7EB; }

/* Botão de Conversão Explosivo (Essencial para Anúncios de Redes Sociais) */
.btn-cyber-cta { 
    background: linear-gradient(135deg, var(--orange-cta) 0%, #D84315 100%);
    border: none; color: #FFFFFF !important; font-weight: 700; border-radius: 6px;
    padding: 16px 36px; transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 25px rgba(255, 87, 34, 0.35);
}
.btn-cyber-cta:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 15px 35px rgba(255, 87, 34, 0.55);
}

/* Divs Temáticas com Texturas e Degradês do Conceito Enviado */
.bg-charcoal { background-color: var(--cyber-charcoal); }
.border-top-cyber { border-top: 1px solid rgba(0, 229, 255, 0.15); }

/* DIV COM IMAGEM DE BACKGROUND: Simulando circuitos tecnológicos abstratos e sutis */
.section-bg-circuit {
    background-image: radial-gradient(rgba(121, 40, 202, 0.08) 1px, transparent 0);
    background-size: 24px 24px;
}

/* DIV COM BACKGROUND DEGRADÊ: Fusão entre o preto imersivo e o roxo de alta tecnologia */
.bg-deep-gradient { 
    background: linear-gradient(180deg, var(--cyber-black) 0%, var(--cyber-purple-bg) 50%, var(--cyber-black) 100%); 
}

.section-title { font-weight: 900; position: relative; }
.section-title::after { 
    content: ''; display: block; width: 40px; height: 4px; background: var(--neon-cyan); margin: 15px auto 0; border-radius: 2px;
}
#firewall .section-title::after { margin: 15px 0 0; }

/* Elementos e Cartões Internos */
.card-cyber {
    background: #1B1E27; border-left: 4px solid var(--neon-cyan); border-radius: 4px; transition: 0.25s ease;
}
.card-cyber:hover { transform: translateX(5px); background: #222631; }

.card-step {
    background: rgba(20, 23, 31, 0.6); border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 8px; backdrop-filter: blur(10px); transition: 0.3s;
}
.card-step:hover { border-color: #7928CA; box-shadow: 0 12px 35px rgba(121, 40, 202, 0.2); }
.step-number { 
    font-size: 3rem; font-weight: 900; background: linear-gradient(135deg, var(--neon-cyan), #7928CA);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; opacity: 0.9;
}

/* Caixa de Preço */
.price-box { 
    background: #171A22; border: 1px solid rgba(0, 229, 255, 0.25); box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}
.bg-badge-price { background-color: #7928CA !important; color: #FFFFFF; font-weight: 700; }
.price-value { font-size: 5rem; font-weight: 900; letter-spacing: -3px; margin: 5px 0; text-shadow: 0 0 25px rgba(0, 229, 255, 0.25); }

/* Iluminação Traseira da Capa */
.floating-img { 
    animation: cyberFloat 6s ease-in-out infinite; 
    border: 1px solid rgba(255,255,255,0.08);
}
.glow-effect {
    position: absolute; top: 50%; left: 50%; width: 75%; height: 75%; background: #7928CA;
    border-radius: 50%; filter: blur(95px); opacity: 0.28; transform: translate(-50%, -50%); z-index: -1;
}
@keyframes cyberFloat {
    0% { transform: translateY(0px); } 50% { transform: translateY(-12px); } 100% { transform: translateY(0px); }
}

#toTop { position: fixed; bottom: 30px; right: 30px; width: 46px; height: 46px; display: none; z-index: 1000; padding: 0; line-height: 46px; }
.text-muted { color: var(--text-muted) !important; }