/* Variáveis de Design - Corporate Clean & Premium */
        :root {
            --bg-base: #f8fafc;
            --bg-surface: #ffffff;
            --bg-dark: #0f172a;
            --bg-glass: rgba(255, 255, 255, 0.85);
            --primary: #2563eb;         
            --primary-hover: #1d4ed8;
            --secondary: #0ea5e9;       
            --accent: #4f46e5;          
            --text-main: #1e293b;       
            --text-muted: #64748b;
            --text-light: #f1f5f9;
            --border-light: #e2e8f0;
            --border-dark: rgba(255, 255, 255, 0.1);
            --wpp-color: #25D366;
            --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
            --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
        body { background-color: var(--bg-base); color: var(--text-main); line-height: 1.6; overflow-x: hidden; scroll-behavior: smooth; }

        .skip-link { position: fixed; top: 0.75rem; left: 0.75rem; z-index: 10000; padding: 0.75rem 1rem; color: #fff; background: var(--bg-dark); border-radius: 8px; transform: translateY(-160%); transition: transform 0.2s; }
        .skip-link:focus { transform: translateY(0); }
        :focus-visible { outline: 3px solid #f59e0b; outline-offset: 3px; }

        h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; font-weight: 700; letter-spacing: -0.02em; color: var(--bg-dark); }
        
        /* Header */
        header { 
            position: fixed; width: 100%; top: 0; padding: 1rem 5%; 
            display: flex; justify-content: space-between; align-items: center; 
            background: var(--bg-glass); backdrop-filter: blur(12px); 
            -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-light); z-index: 1000; 
        }
        .logo { font-size: 1.6rem; font-weight: 800; letter-spacing: -1px; font-family: 'Outfit', sans-serif; cursor: pointer; color: var(--bg-dark); display: flex; align-items: center; gap: 8px; text-decoration: none; }
        .logo img { height: 45px; width: auto; object-fit: contain; }
        .logo span { color: var(--primary); }
        
        nav { display: flex; align-items: center; gap: 2.5rem; }
        nav ul { display: flex; gap: 2rem; list-style: none; }
        nav a { color: var(--text-main); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: 0.2s; cursor: pointer; }
        nav a:hover, nav a.active { color: var(--primary); }
        
        /* Botões */
        .btn { 
            display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; 
            padding: 0.8rem 1.8rem; background: var(--primary); 
            color: #fff; font-weight: 600; text-decoration: none; border-radius: 8px; 
            transition: 0.3s; font-size: 0.95rem; border: none; cursor: pointer; 
            box-shadow: var(--shadow-sm);
        }
        .btn:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
        .btn-outline { background: transparent; border: 1px solid var(--border-light); color: var(--text-main); }
        .btn-outline:hover { background: var(--bg-base); border-color: var(--text-muted); color: var(--bg-dark); }

        /* Estrutura de SPA */
        .page-section { display: none; opacity: 0; transition: opacity 0.4s ease-in-out; min-height: 80vh; padding-top: 90px; }
        .page-section.active { display: block; opacity: 1; }

        /* Hero Section Premium */
        .hero { 
            display: flex; flex-direction: column; justify-content: center; 
            padding: 3rem 5% 4rem 5%; text-align: center; align-items: center; 
            background: #fff; border-bottom: 1px solid var(--border-light);
        }
        .hero-badge {
            display: inline-block; background: #eff6ff; color: var(--primary); padding: 0.4rem 1rem; border-radius: 20px; font-size: 0.85rem; font-weight: 600; margin-bottom: 1.5rem; border: 1px solid #bfdbfe;
        }
        .hero-content { max-width: 1200px; z-index: 1; padding: 0 2rem; }
        .hero-content h1 { font-size: 3.8rem; margin-bottom: 1.2rem; line-height: 1.1; }
        .hero-content p { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 2.5rem; max-width: 900px; margin-left: auto; margin-right: auto; line-height: 1.7; }
        
        .typewriter-text { color: var(--primary); border-right: 3px solid var(--primary); padding-right: 4px; animation: blink-caret 0.75s step-end infinite; }
        @keyframes blink-caret { from, to { border-color: transparent } 50% { border-color: var(--primary); } }

        /* Seção: O Problema vs A Solução */
        .compare-section { padding: 5rem 5%; background: var(--bg-base); }
        .section-header { text-align: center; margin-bottom: 3rem; padding: 0 5%; }
        .section-header h2 { font-size: clamp(2.5rem, 6vw, 4rem); line-height: 1.1; margin-bottom: 1.2rem; }
        .section-header p { font-size: clamp(1.1rem, 2vw, 1.25rem); color: var(--text-muted); max-width: 800px; margin: 0 auto; line-height: 1.6; }

        .compare-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; max-width: 1400px; margin: 0 auto; padding: 0 1rem; }
        .compare-card { 
            background: #fff; padding: 3rem 2.5rem; border-radius: 16px; flex: 1 1 400px;
            border: 1px solid var(--border-light); box-shadow: var(--shadow-sm);
        }
        .compare-card.bad { border-top: 4px solid #ef4444; }
        .compare-card.good { border-top: 4px solid var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-5px); }
        
        .compare-card h3 { font-size: 1.4rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.8rem; }
        .compare-card.bad h3 i { color: #ef4444; }
        .compare-card.good h3 i { color: var(--primary); }
        
        .compare-list { list-style: none; }
        /* Usamos flex mas colocamos o icone e um div para agrupar o texto, evitando quebra estranha */
        .compare-list li { margin-bottom: 1.2rem; display: flex; align-items: flex-start; gap: 1rem; color: var(--text-main); font-size: 0.95rem; }
        .compare-list li i { margin-top: 3px; flex-shrink: 0; }
        .compare-card.bad .compare-list i { color: #ef4444; }
        .compare-card.good .compare-list i { color: #10b981; }

        .accessibility-highlight { padding: 6rem 5%; background: #fff; border-top: 1px solid var(--border-light); }
        .accessibility-highlight-content { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr); gap: 4rem; align-items: center; max-width: 1200px; margin: 0 auto; }
        .accessibility-highlight h2 { max-width: 720px; margin: 1rem 0; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; }
        .accessibility-highlight p { max-width: 720px; margin-bottom: 2rem; color: var(--text-muted); font-size: 1.08rem; }
        .accessibility-eyebrow { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--primary); font-weight: 700; }
        .accessibility-feature-list { display: grid; gap: 1rem; list-style: none; }
        .accessibility-feature-list li { display: flex; gap: 1rem; align-items: flex-start; padding: 1.25rem; background: var(--bg-base); border: 1px solid var(--border-light); border-radius: 14px; }
        .accessibility-feature-list i { width: 1.5rem; margin-top: 0.2rem; color: var(--primary); font-size: 1.25rem; text-align: center; }
        .accessibility-feature-list strong, .accessibility-feature-list span { display: block; }
        .accessibility-feature-list span { color: var(--text-muted); }
        .accessibility-feature-list strong { margin-bottom: 0.15rem; color: var(--text-main); }

        .accessibility-page { padding: 8.5rem 5% 5rem; }
        .accessibility-page-container { max-width: 1100px; margin: 0 auto; }
        .accessibility-page-hero { max-width: 850px; margin: 0 auto 4rem; text-align: center; }
        .accessibility-page-hero h1 { margin: 1rem 0 1.2rem 0; font-size: clamp(2.5rem, 6vw, 4rem); line-height: 1.1; }
        .accessibility-page-hero p { color: var(--text-muted); font-size: clamp(1.1rem, 2vw, 1.25rem); line-height: 1.6; }
        .accessibility-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; margin: 2rem 0 4rem; }
        .accessibility-card { padding: 2rem; background: #fff; border: 1px solid var(--border-light); border-radius: 16px; box-shadow: var(--shadow-sm); }
        .accessibility-card i { margin-bottom: 1rem; color: var(--primary); font-size: 1.8rem; }
        .accessibility-card h2 { margin-bottom: 0.75rem; font-size: 1.35rem; }
        .accessibility-card p, .accessibility-card li { color: var(--text-muted); }
        .accessibility-card ul { padding-left: 1.25rem; }
        .accessibility-commitment { padding: 2.5rem; color: #fff; background: var(--bg-dark); border-radius: 20px; }
        .accessibility-commitment h2 { margin-bottom: 1rem; color: #fff; }
        .accessibility-commitment p { margin-bottom: 1rem; color: #cbd5e1; text-align: justify; }
        .accessibility-commitment a { color: #7dd3fc; }

        .highlight-box {
            background: #f8fafc; border: 1px solid var(--border-light); padding: 1.2rem; border-radius: 12px; margin-top: 2rem; font-size: 0.9rem; color: var(--text-muted);
        }
        .highlight-box strong { color: var(--primary); }

        /* Planos e Grids */
        .pricing-section { padding: 3rem 5% 5rem 5%; background: #fff; border-top: 1px solid var(--border-light); }
        .pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; max-width: 1250px; margin: 0 auto; }
        
        .plan-card { 
            background: #fff; border: 1px solid var(--border-light); padding: 2.5rem 2rem; border-radius: 16px; 
            transition: 0.3s; position: relative; display: flex; flex-direction: column; 
            box-shadow: var(--shadow-sm);
        }
        .plan-card:hover { border-color: var(--primary); transform: translateY(-5px); box-shadow: var(--shadow-lg); }
        
        .plan-card.featured { border: 2px solid var(--primary); background: #f8fafc; }
        .plan-badge { 
            position: absolute; top: -14px; left: 50%; transform: translateX(-50%); 
            background: var(--primary); color: #fff; padding: 4px 16px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.05em;
            text-align: center; white-space: nowrap; z-index: 2;
        }
        
        .plan-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.5rem; color: var(--bg-dark); }
        .plan-subtitle { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1.5rem; min-height: 40px; }
        .plan-price { font-size: 2.5rem; font-weight: 800; margin-bottom: 1.5rem; color: var(--bg-dark); display: flex; align-items: baseline; font-family: 'Outfit', sans-serif;}
        .plan-price span { font-size: 1rem; color: var(--text-muted); font-weight: 500; margin-left: 0.2rem; }
        
        .plan-features { list-style: none; margin-bottom: 2.5rem; flex-grow: 1; padding-top: 1.5rem; border-top: 1px solid var(--border-light); }
        .plan-features li { margin-bottom: 1rem; color: var(--text-main); display: flex; align-items: flex-start; gap: 0.8rem; font-size: 0.9rem; line-height: 1.4; }
        .plan-features li i { color: var(--primary); margin-top: 4px; font-size: 0.9rem; flex-shrink: 0; }
        .plan-features li span { display: block; }
        
        .btn-assinar { width: 100%; text-align: center; margin-top: auto; white-space: nowrap; }

        /* Contato Fixo no Final */
        #contato-global { padding: 5rem 5%; background: var(--bg-dark); color: #fff; }
        #contato-global .section-header h2 { color: #fff; }
        #contato-global .section-header p { color: #94a3b8; }
        
        .form-container { max-width: 550px; margin: 0 auto; background: #1e293b; padding: 3rem 2.5rem; border-radius: 16px; border: 1px solid var(--border-dark); box-shadow: var(--shadow-lg); }
        .input-group { margin-bottom: 1.5rem; text-align: left; }
        .input-group label { display: block; margin-bottom: 0.5rem; font-size: 0.9rem; font-weight: 500; color: #cbd5e1; }
        .input-group input, .input-group select { width: 100%; padding: 0.9rem; background: #0f172a; border: 1px solid var(--border-dark); border-radius: 8px; color: #fff; font-size: 0.95rem; outline: none; transition: 0.3s; }
        .input-group input:focus, .input-group select:focus { border-color: var(--primary); }

        footer { padding: 2rem 5%; text-align: center; border-top: 1px solid var(--border-dark); color: #64748b; font-size: 0.85rem; background: #0b1120; padding-bottom: 40px; }

        @keyframes pulseGlow { 0% { transform: scale(0.95); opacity: 0.5; } 50% { transform: scale(1.05); opacity: 1; } 100% { transform: scale(0.95); opacity: 0.5; } }
        @keyframes bounceGlow { 0%, 100% { transform: translateY(0); box-shadow: 0 0 20px #38bdf8; } 50% { transform: translateY(-10px); box-shadow: 0 0 40px #38bdf8; } }
        
        @media (max-width: 768px) {
            nav ul { display: none; } 
            .hero-content h1 { font-size: 2.5rem; }
            .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
            .accessibility-highlight-content, .accessibility-card-grid { grid-template-columns: 1fr; }
            .accessibility-highlight { padding: 4rem 5%; }
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
        }
        .playground-section { padding: 4rem 5%; max-width: 1200px; margin: 0 auto; display: none; opacity: 0; transition: opacity 0.5s ease; }
        .playground-container { display: grid; grid-template-columns: minmax(380px, 1fr) 2fr; gap: 2rem; background: #0f172a; border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 20px; padding: 2rem; position: relative; overflow: hidden; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5); }
        .playground-sidebar { display: flex; flex-direction: column; gap: 1rem; }
        .playground-sidebar h3 { color: #fff; font-size: 1.2rem; }
        .playground-sidebar p { color: #94a3b8; font-size: 0.9rem; }
        .preset-buttons { display: flex; gap: 0.5rem; flex-wrap: wrap; }
        .preset-buttons button { background: rgba(56, 189, 248, 0.1); border: 1px solid #38bdf8; color: #38bdf8; padding: 0.4rem 0.8rem; border-radius: 8px; cursor: pointer; font-size: 0.8rem; transition: 0.3s; }
        .preset-buttons button:hover { background: #38bdf8; color: #0f172a; font-weight: 600; }
        .playground-sidebar textarea { background: #0b1120; border: 1px solid var(--border-dark); border-radius: 12px; padding: 1rem; color: #e2e8f0; font-family: 'Inter', sans-serif; resize: vertical; outline: none; min-height: 100px; }
        .playground-sidebar textarea:focus { border-color: var(--primary); }
        .playground-stats { padding: 1rem; background: rgba(255, 255, 255, 0.05); border-radius: 12px; display: flex; justify-content: space-between; align-items: center; color: #cbd5e1; }
        .playground-stats strong { color: #38bdf8; font-size: 1.2rem; }
        
        .playground-chat { display: flex; flex-direction: column; background: #0b1120; border-radius: 16px; border: 1px solid var(--border-dark); overflow: hidden; height: 600px; }
        .chat-messages { flex: 1; padding: 1.5rem; overflow-y: auto; display: flex; flex-direction: column; gap: 1rem; }
        .msg { max-width: 80%; padding: 1rem 1.2rem; border-radius: 16px; font-size: 0.95rem; line-height: 1.4; word-wrap: break-word; }
        .msg.bot { background: rgba(255,255,255,0.05); color: #e2e8f0; align-self: flex-start; border-bottom-left-radius: 4px; }
        .msg.user { background: linear-gradient(135deg, #38bdf8, #2563eb); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3); }
        .msg.system-loading { align-self: flex-start; background: transparent; padding: 0; color: #94a3b8; font-size: 0.85rem; font-style: italic; }
        .msg img { max-width: 100%; border-radius: 8px; margin-top: 0.5rem; }
        .chat-input-area { display: flex; align-items: center; gap: 0.5rem; padding: 1rem; background: rgba(255,255,255,0.02); border-top: 1px solid var(--border-dark); }
        .chat-input-area input[type="text"] { flex: 1; background: transparent; border: none; color: #fff; outline: none; padding: 0.5rem; }
        .icon-btn, .send-btn { background: transparent; border: none; color: #94a3b8; font-size: 1.2rem; cursor: pointer; transition: 0.3s; padding: 0.5rem; border-radius: 50%; }
        .icon-btn:hover { color: #fff; background: rgba(255,255,255,0.1); }
        .send-btn { color: #38bdf8; }
        .send-btn:hover { background: rgba(56, 189, 248, 0.1); }
        
        .playground-overlay { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.85); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: 0.5s ease; z-index: 10; }
        .playground-overlay.active { opacity: 1; pointer-events: all; }
        .overlay-content { background: #1e293b; padding: 3rem; border-radius: 24px; text-align: center; max-width: 450px; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); transform: translateY(20px); transition: 0.5s ease; }
        .playground-overlay.active .overlay-content { transform: translateY(0); }
        .overlay-content h3 { font-size: 1.8rem; margin-bottom: 1rem; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
        .overlay-content p { color: #cbd5e1; margin-bottom: 2rem; line-height: 1.6; }
        
        @media (max-width: 768px) {
            .playground-container { grid-template-columns: 1fr; }
            .playground-chat { height: 400px; }
        }
        /* About Company */
        .about-company { padding: 4rem 5%; background: #fff; text-align: center; }
        .about-company h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
        .about-company p { max-width: 1000px; margin: 0 auto 1rem auto; font-size: 1.1rem; color: var(--text-muted); line-height: 1.8; }
        
        /* Diferenciais LumeraTec */
        .differentials-section { padding: 6rem 5%; background: var(--bg-dark); color: #fff; position: relative; overflow: hidden; }
        .differentials-section .section-header p { color: #cbd5e1; }
        .differentials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; max-width: 1300px; margin: 4rem auto 0; position: relative; z-index: 2; }
        .differential-card { background: rgba(30, 41, 59, 0.6); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.08); padding: 2.5rem 2rem; border-radius: 24px; transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
        .differential-card:hover { transform: translateY(-8px); border-color: rgba(56, 189, 248, 0.4); box-shadow: 0 20px 40px -10px rgba(56, 189, 248, 0.15); background: rgba(30, 41, 59, 0.85); }
        .differential-icon { width: 60px; height: 60px; border-radius: 16px; background: rgba(56, 189, 248, 0.1); display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; border: 1px solid rgba(56, 189, 248, 0.2); }
        .differential-icon i { font-size: 1.8rem; color: #38bdf8; }
        .differential-card h3 { font-size: 1.35rem; margin-bottom: 1rem; color: #f8fafc; line-height: 1.3; }
        .differential-card p { color: #94a3b8; line-height: 1.6; font-size: 1rem; }
        
        /* Premium FAQ Section */
        .premium-faq, .faq-section { padding: 3rem 5% 5rem 5%; background: var(--bg-base); }
        .faq-layout { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 300px 1fr; gap: 3rem; align-items: flex-start; }
        
        .faq-sidebar { display: flex; flex-direction: column; gap: 0.5rem; position: sticky; top: 100px; }
        .faq-tab { padding: 1rem 1.25rem; text-align: left; background: transparent; border: 1px solid transparent; border-radius: 10px; font-size: 1.05rem; font-weight: 500; color: var(--text-muted); cursor: pointer; transition: all 0.3s ease; display: flex; align-items: center; gap: 0.75rem; }
        .faq-tab:hover { background: rgba(0,0,0,0.03); color: var(--text-main); }
        .faq-tab.active { background: #fff; border-color: var(--border-light); color: var(--primary); box-shadow: var(--shadow-sm); font-weight: 600; }
        
        .faq-content-area { width: 100%; }
        .faq-category-content { display: none; animation: fadeIn 0.4s ease; }
        .faq-category-content.active { display: block; }
        .faq-category-content h3 { margin-bottom: 2rem; font-size: 1.6rem; color: var(--text-main); display: flex; align-items: center; gap: 0.75rem; }
        
        .faq-item { background: #fff; border: 1px solid var(--border-light); border-radius: 12px; margin-bottom: 1rem; overflow: hidden; box-shadow: var(--shadow-sm); transition: box-shadow 0.3s; }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question { padding: 1.5rem; width: 100%; text-align: left; background: none; border: none; font-size: 1.1rem; font-weight: 600; color: var(--text-main); cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
        .faq-question:hover { color: var(--primary); }
        .faq-answer { padding: 0 1.5rem; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; color: var(--text-muted); line-height: 1.7; font-size: 1.05rem; }
        .faq-item.active .faq-answer { padding: 0 1.5rem 1.5rem 1.5rem; max-height: 800px; }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); transition: 0.3s; }
        
        /* Premium Fat Footer */
        .fat-footer { background: linear-gradient(180deg, #0f172a 0%, #020617 100%); color: var(--text-light); padding: 6rem 5% 2rem 5%; position: relative; overflow: hidden; border-top: 1px solid rgba(56, 189, 248, 0.1); text-align: left; }
        .fat-footer::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 80%; height: 1px; background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.5), transparent); }
        .footer-grid { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; position: relative; z-index: 2; padding: 0 1rem; }
        .footer-brand h3 { display: flex; align-items: center; gap: 10px; font-family: 'Outfit', sans-serif; font-size: 2.2rem; font-weight: 800; color: #fff; margin-bottom: 1.2rem; }
        .footer-brand h3 img { height: 40px; }
        .footer-brand h3 span { color: var(--primary); }
        .footer-brand p { color: #94a3b8; line-height: 1.7; margin-bottom: 2rem; max-width: 320px; font-size: 0.95rem; text-align: left; }
        .social-links { display: flex; gap: 1rem; }
        .social-links a { display: flex; align-items: center; justify-content: center; width: 45px; height: 45px; border-radius: 12px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); color: #fff; text-decoration: none; transition: all 0.3s ease; font-size: 1.3rem; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
        .social-links a:hover { background: var(--primary); border-color: var(--primary); color: #0f172a; transform: translateY(-5px) scale(1.05); box-shadow: 0 10px 25px rgba(56, 189, 248, 0.4); }
        .footer-nav h4 { color: #fff; font-size: 1.2rem; font-weight: 600; margin-bottom: 1.8rem; position: relative; display: inline-block; }
        .footer-nav h4::after { content: ''; position: absolute; width: 50%; height: 2px; bottom: -8px; left: 0; background: var(--primary); border-radius: 2px; }
        .footer-nav ul { list-style: none; }
        .footer-nav ul li { margin-bottom: 1rem; }
        .footer-nav ul a { color: #94a3b8; text-decoration: none; transition: all 0.3s ease; position: relative; display: inline-block; padding-bottom: 2px; }
        .footer-nav ul a::after { content: ''; position: absolute; width: 0; height: 1px; bottom: 0; left: 0; background: var(--primary); transition: width 0.3s ease; }
        .footer-nav ul a:hover { color: #fff; transform: translateX(5px); }
        .footer-nav ul a:hover::after { width: 100%; }
        .footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; align-items: center; color: #64748b; font-size: 0.9rem; position: relative; z-index: 2; }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
            .footer-brand p { margin: 0 auto 2rem auto; }
            .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
        }

        /* Cookie Banner */
        .cookie-banner { position: fixed; bottom: 20px; left: 20px; right: 20px; max-width: 600px; background: #fff; border: 1px solid var(--border-light); border-radius: 16px; padding: 1.5rem; box-shadow: var(--shadow-lg); z-index: 9999; display: flex; flex-direction: column; gap: 1rem; transform: translateY(150%); transition: transform 0.5s ease; }
        .cookie-banner.show { transform: translateY(0); }
        .cookie-header { display: flex; justify-content: space-between; align-items: center; }
        .cookie-header h4 { margin: 0; font-size: 1.1rem; display: flex; align-items: center; gap: 0.5rem; }
        .cookie-banner p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.5; margin: 0; }
        .cookie-actions { display: flex; gap: 1rem; justify-content: flex-end; margin-top: 0.5rem; }
        .cookie-actions button { padding: 0.6rem 1.2rem; font-size: 0.9rem; }
        @media (max-width: 768px) {
            .cookie-actions { flex-direction: column; }
            .cookie-actions button { width: 100%; }
        }

        /* Navegação responsiva e vitrine certificada */
        .mobile-menu-toggle { display: none; width: 44px; height: 44px; flex: 0 0 44px; align-items: center; justify-content: center; padding: 0; color: var(--text-main); background: #fff; border: 1px solid var(--border-light); border-radius: 10px; box-shadow: var(--shadow-sm); cursor: pointer; }
        .mobile-menu-toggle i { pointer-events: none; }
        .plan-price-promotional { flex-direction: column; align-items: flex-start; }
        .plan-price-original { margin: 0 0 -0.3rem; color: #94a3b8; font-size: 1rem; text-decoration: line-through; }
        .plan-features { margin-top: 1.5rem; padding-top: 1.5rem; }
        .plan-feature-list { margin: 0; padding: 0; list-style: none; }
        .plan-inherits { display: flex; align-items: flex-start; gap: 0.75rem; margin: 0 0 1rem; color: #475569; font-size: 0.92rem; }
        .plan-inherits i { margin-top: 0.28rem; color: #6366f1; }
        .plan-more-features { margin-top: 0.5rem; border-top: 1px solid var(--border-light); }
        .plan-more-features summary { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.85rem 0; color: var(--primary); font-weight: 700; cursor: pointer; }
        .plan-more-features summary::after { content: '+'; font-size: 1.3rem; line-height: 1; }
        .plan-more-features[open] summary::after { content: '−'; }
        .plan-more-features .plan-feature-list { padding-top: 0.5rem; }
        .plan-feature-missing { color: #94a3b8 !important; opacity: 0.8; }
        .plan-feature-missing span { text-decoration: line-through; }

        @media (max-width: 900px) {
            header { padding: 0.75rem 4%; gap: 0.65rem; }
            .logo { min-width: 0; font-size: 1.35rem; }
            .logo img { height: 38px; }
            nav { margin-left: auto; gap: 0.6rem; }
            nav ul { position: absolute; top: calc(100% + 1px); right: 0; left: 0; display: none; flex-direction: column; gap: 0; padding: 0.65rem 4% 1rem; background: rgba(255, 255, 255, 0.98); border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-lg); }
            nav ul.is-open { display: flex; }
            nav ul a { display: block; min-height: 46px; padding: 0.75rem 0.8rem; border-radius: 8px; }
            nav ul a:hover, nav ul a:focus-visible, nav ul a.active { background: #eff6ff; }
            nav > .btn { min-height: 44px; max-width: none; padding: 0.65rem 0.9rem; white-space: nowrap; font-size: 0.82rem; }
            .mobile-menu-toggle { display: inline-flex; }
            .page-section { padding-top: 70px; }
            .hero { padding: 3rem 5%; }
            .hero-content { padding: 0; }
            .hero-content h1 { min-height: 0 !important; font-size: clamp(2.25rem, 10vw, 3.2rem); }
            .hero-content p { font-size: 1rem; }
            .playground-trigger-section { padding: 4rem 5% !important; }
            .playground-trigger-section > div { padding: 3rem 1.35rem !important; }
            .playground-trigger-section h2 { font-size: clamp(1.8rem, 8vw, 2.4rem) !important; }
            .compare-section, .pricing-section, #contato-global { padding: 4rem 5%; }
            .compare-card { flex-basis: 100%; padding: 2rem 1.35rem; }
            .compare-card.good { transform: none; }
            .section-header { padding: 0; margin-bottom: 2.25rem; }
            .section-header h2 { font-size: clamp(2.5rem, 6vw, 4rem); line-height: 1.1; margin-bottom: 1.2rem; }
            .section-header p { font-size: clamp(1.1rem, 2vw, 1.25rem); color: var(--text-muted); max-width: 800px; margin: 0 auto; line-height: 1.6; }
            .form-container { padding: 2rem 1.25rem; }
            .accessibility-page { padding-top: 6rem; }
        }

        @media (max-width: 520px) {
            header { min-height: 70px; }
            .logo { font-size: 1.16rem; letter-spacing: -0.6px; }
            .logo img { height: 34px; }
            nav > .btn { width: 44px; padding: 0; font-size: 0; }
            nav > .btn i { margin: 0; font-size: 1rem; }
            .pricing-grid { max-width: none; }
            .plan-card { padding: 2.2rem 1.35rem 1.5rem; }
            .plan-title { font-size: 1.4rem; }
            .plan-price { font-size: clamp(2.1rem, 11vw, 2.5rem); }
            .btn-assinar { white-space: normal; }
            .accessibility-card, .accessibility-commitment { padding: 1.5rem; }
            .footer-grid { padding: 0; }
            .fat-footer { padding-top: 4rem; }
        }

        /* Base mobile-first para todas as páginas institucionais.
           Os templates podem ter conteúdo diferente, mas devem obedecer à
           mesma largura útil, hierarquia e comportamento de empilhamento. */
        .site-container,
        .faq-container,
        .accessibility-page-container { width: min(100% - 2rem, 1200px); }

        .legal-layout { display: grid; grid-template-columns: minmax(220px, 280px) minmax(0, 1fr); gap: 2rem; align-items: start; }
        .legal-index { background: #f8fafc; border: 1px solid var(--border-light); border-radius: 16px; padding: 1.25rem; position: sticky; top: 96px; }
        .legal-content { min-width: 0; background: #fff; border: 1px solid var(--border-light); border-radius: 16px; padding: clamp(1.4rem, 4vw, 3rem); color: var(--text-main); line-height: 1.72; font-size: 1.02rem; }
        .legal-content * { overflow-wrap: anywhere; }

        @media (max-width: 900px) {
            .faq-layout,
            .legal-layout { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }

            .faq-sidebar,
            .legal-index { position: static; }

            .faq-sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .faq-tab { min-height: 48px; padding: .8rem 1rem; }

            .accessibility-page,
            .faq-section { padding-left: 1rem !important; padding-right: 1rem !important; }
        }

        @media (max-width: 640px) {
            body { overflow-x: clip; }

            .page-section { min-height: auto; }
            .hero { padding: 2.5rem 1rem 3rem; }
            .hero-badge { font-size: .78rem; }
            .hero-content h1,
            .accessibility-page-hero h1 { font-size: clamp(2rem, 10vw, 2.7rem); }
            .hero-content p,
            .accessibility-page-hero p { font-size: 1rem; }

            .section-header h2 { font-size: clamp(1.8rem, 9vw, 2.45rem); }
            .section-header p { font-size: 1rem; }
            .section-header { padding: 0 1rem; }

            .playground-container { padding: 1rem; border-radius: 14px; }
            .playground-sidebar { min-width: 0; }
            .playground-chat { height: min(58vh, 420px); }
            .overlay-content { width: calc(100% - 2rem); padding: 1.5rem; border-radius: 16px; }

            .faq-sidebar { grid-template-columns: 1fr; }
            .faq-question { min-height: 56px; padding: 1rem; font-size: 1rem; gap: .75rem; }
            .faq-answer { font-size: .98rem; }
            .faq-item.active .faq-answer { padding: 0 1rem 1rem; }

            .legal-index { padding: 1rem; }
            .legal-content { padding: 1.25rem 1rem; font-size: .98rem; }
            .legal-content h2 { font-size: 1.28rem; margin-top: 2rem; }

            .compare-grid { padding: 0; gap: 1rem; }
            .compare-card { padding: 1.5rem 1rem; }
            .compare-card h3 { font-size: 1.18rem; }
            .compare-list li { gap: .7rem; }

            .footer-bottom { align-items: flex-start; text-align: left; }
            .footer-bottom p { width: 100%; }
            .cookie-banner { bottom: 12px; left: 12px; right: 12px; padding: 1rem; }
        }