*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

        :root {
            --primary: #2563EB;
            --primary-dark: #1D4ED8;
            --primary-light: #DBEAFE;
            --text: #1F2937;
            --text-light: #6B7280;
            --bg: #F9FAFB;
            --white: #FFFFFF;
            --success: #059669;
            --warning: #D97706;
            --error: #DC2626;
        }

        html { scroll-behavior: smooth; }
        .skip-link { position: absolute; top: -50px; left: 0; background: var(--primary); color: white; padding: 8px 16px; z-index: 200; transition: top 0.3s; font-size: 0.9rem; text-decoration: none; border-radius: 0 0 8px 0; }
        .skip-link:focus { top: 0; }
        a:focus-visible, button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

        body {
            font-family: 'Inter', sans-serif;
            color: var(--text);
            background: var(--white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* ===== NAVBAR ===== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #E5E7EB;
            transition: box-shadow 0.3s;
        }
        .navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
        .navbar-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text);
        }
        .navbar-logo img { width: 44px; height: 44px; border-radius: 50%; }
        .navbar-logo span { font-weight: 700; font-size: 1.1rem; }
        .navbar-links { display: flex; align-items: center; gap: 32px; }
        .navbar-links a {
            text-decoration: none;
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.2s;
        }
        .navbar-links a:hover { color: var(--primary); }
        .navbar-login {
            color: var(--primary) !important;
            font-weight: 600 !important;
            border: 2px solid var(--primary);
            padding: 8px 20px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s !important;
        }
        .navbar-login:hover { background: var(--primary); color: var(--white) !important; }
        .navbar-cta {
            background: var(--primary);
            color: var(--white) !important;
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600 !important;
            transition: background 0.2s, transform 0.2s !important;
        }
        .navbar-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            margin: 6px 0;
            transition: 0.3s;
        }

        /* Language Selector */
        .lang-selector { position: relative; }
        .lang-btn {
            display: flex; align-items: center; gap: 6px;
            background: none; border: 1px solid #E5E7EB; border-radius: 8px;
            padding: 6px 12px; cursor: pointer; font-size: 0.85rem;
            color: var(--text); font-family: inherit; font-weight: 500;
            transition: border-color 0.2s;
        }
        .lang-btn:hover { border-color: var(--primary); }
        .lang-btn img { border-radius: 2px; }
        .lang-dropdown {
            display: none; position: absolute; top: 100%; right: 0;
            margin-top: 8px; background: var(--white); border: 1px solid #E5E7EB;
            border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.12);
            min-width: 180px; overflow: hidden; z-index: 200;
        }
        .lang-selector:hover .lang-dropdown,
        .lang-selector:focus-within .lang-dropdown { display: block; }
        .lang-option {
            display: flex; align-items: center; gap: 10px;
            padding: 10px 16px; text-decoration: none; color: var(--text);
            font-size: 0.85rem; transition: background 0.15s;
        }
        .lang-option:hover { background: var(--primary-light); }
        .lang-option.lang-active { background: var(--primary-light); font-weight: 600; }
        .lang-option img { border-radius: 2px; }

        /* ===== HERO ===== */
        /* ===== HERO KEYFRAMES ===== */
        @keyframes heroFadeUp {
            from { opacity: 0; transform: translateY(32px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes heroFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        @keyframes heroBlobMorph {
            0%, 100% { border-radius: 42% 58% 55% 45% / 55% 42% 58% 45%; transform: translate(-50%, -50%) scale(1); }
            33% { border-radius: 55% 45% 42% 58% / 45% 55% 45% 55%; transform: translate(-50%, -50%) scale(1.03); }
            66% { border-radius: 45% 55% 58% 42% / 58% 45% 55% 45%; transform: translate(-50%, -50%) scale(0.97); }
        }
        @keyframes heroShimmer {
            0% { background-position: -200% center; }
            100% { background-position: 200% center; }
        }
        @keyframes heroPulseRing {
            0% { transform: scale(0.95); opacity: 0.5; }
            50% { transform: scale(1); opacity: 0.2; }
            100% { transform: scale(0.95); opacity: 0.5; }
        }
        @keyframes heroGridFade {
            0%, 100% { opacity: 0.3; }
            50% { opacity: 0.6; }
        }

        /* ===== HERO SECTION ===== */
        .hero {
            padding: 140px 24px 100px;
            background: #FAFBFF;
            position: relative;
            overflow: hidden;
        }
        /* Subtle grid pattern overlay */
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(37,99,235,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(37,99,235,0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            animation: heroGridFade 8s ease-in-out infinite;
            pointer-events: none;
        }
        /* Top-right glow */
        .hero::after {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-glow-bottom {
            position: absolute;
            bottom: -250px;
            left: -100px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(5,150,105,0.04) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            animation: heroFadeUp 0.7s ease-out both;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 28px;
            border: 1px solid rgba(37,99,235,0.12);
            box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 0 0 1px rgba(37,99,235,0.06);
            letter-spacing: 0.01em;
        }
        .hero-badge svg { width: 15px; height: 15px; color: #F59E0B; }
        .hero h1 {
            font-size: 3.3rem;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--text);
            letter-spacing: -0.035em;
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), #3B82F6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
        }
        .hero h1 span::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background: linear-gradient(90deg, rgba(37,99,235,0.12), rgba(59,130,246,0.08));
            border-radius: 4px;
            z-index: -1;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-light);
            margin-bottom: 40px;
            max-width: 480px;
            line-height: 1.75;
        }
        .hero-buttons {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
            animation: heroFadeUp 0.7s ease-out 0.15s both;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            padding: 15px 32px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
            border: none;
            cursor: pointer;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05), 0 4px 16px rgba(37,99,235,0.25);
            position: relative;
            overflow: hidden;
        }
        .btn-primary::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 2px 4px rgba(0,0,0,0.06), 0 8px 28px rgba(37,99,235,0.35);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            color: var(--text);
            padding: 15px 32px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            border: 1.5px solid #E5E7EB;
            transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
            cursor: pointer;
            box-shadow: 0 1px 2px rgba(0,0,0,0.04);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(37,99,235,0.08);
        }
        .hero-trust {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-light);
            font-size: 0.82rem;
            animation: heroFadeUp 0.7s ease-out 0.3s both;
        }
        .hero-trust svg { color: var(--success); flex-shrink: 0; }

        .hero-store-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 220px;
            text-decoration: none;
            transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
        }
        .hero-store-badge img {
            width: 100%;
            height: auto;
            display: block;
        }
        .hero-store-badge:hover {
            transform: translateY(-3px) scale(1.04);
            filter: brightness(1.1);
        }
        .hero-store-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            width: 220px;
            height: 52px;
            padding: 0;
            background: var(--primary);
            color: var(--white);
            border-radius: 12px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.01em;
            transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
            box-shadow: 0 2px 8px rgba(37,99,235,0.25), 0 6px 24px rgba(37,99,235,0.15);
            position: relative;
            overflow: hidden;
        }
        .hero-store-btn::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-store-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px) scale(1.04);
            box-shadow: 0 4px 12px rgba(37,99,235,0.35), 0 10px 36px rgba(37,99,235,0.2);
        }

        /* ===== HERO VISUAL ===== */
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 520px;
            animation: heroFadeUp 0.7s ease-out 0.2s both;
        }
        /* Animated morphing blob */
        .hero-visual-blob {
            position: absolute;
            width: 480px;
            height: 480px;
            background: linear-gradient(135deg, rgba(37,99,235,0.06) 0%, rgba(59,130,246,0.03) 50%, rgba(5,150,105,0.03) 100%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 0;
            animation: heroBlobMorph 12s ease-in-out infinite;
        }
        /* Pulse ring behind main image */
        .hero-visual-ring {
            position: absolute;
            width: 400px;
            height: 400px;
            border: 1px solid rgba(37,99,235,0.08);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 0;
            animation: heroPulseRing 5s ease-in-out infinite;
        }
        /* Decorative dots grid */
        .hero-visual-dots {
            position: absolute;
            top: 5px;
            right: -5px;
            width: 72px;
            height: 72px;
            background-image: radial-gradient(circle, rgba(37,99,235,0.18) 1.2px, transparent 1.2px);
            background-size: 10px 10px;
            z-index: 1;
            pointer-events: none;
        }
        /* Main image */
        .hero-img-main {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 470px;
            border-radius: 20px;
            box-shadow:
                0 0 0 1px rgba(0,0,0,0.03),
                0 2px 4px rgba(0,0,0,0.04),
                0 12px 24px rgba(0,0,0,0.06),
                0 32px 64px rgba(0,0,0,0.08);
            transition: transform 0.6s cubic-bezier(0.4,0,0.2,1), box-shadow 0.6s;
            transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
        }
        .hero-visual:hover .hero-img-main {
            transform: perspective(1200px) rotateY(0deg) rotateX(0deg) translateY(-4px);
            box-shadow:
                0 0 0 1px rgba(0,0,0,0.03),
                0 4px 8px rgba(0,0,0,0.04),
                0 16px 32px rgba(0,0,0,0.07),
                0 40px 80px rgba(0,0,0,0.1);
        }
        /* Person overlay */
        .hero-img-person {
            position: absolute;
            z-index: 3;
            width: 155px;
            bottom: -15px;
            left: -35px;
            border-radius: 18px;
            background: var(--white);
            padding: 4px;
            box-shadow:
                0 0 0 1px rgba(0,0,0,0.04),
                0 8px 16px rgba(0,0,0,0.08),
                0 20px 40px rgba(0,0,0,0.12);
            transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
            animation: heroFloat 5s ease-in-out infinite;
            animation-delay: -1.5s;
        }
        .hero-img-person img {
            width: 100%;
            display: block;
            border-radius: 14px;
        }
        .hero-visual:hover .hero-img-person {
            transform: translateY(-6px) scale(1.02);
        }
        /* Floating cards */
        .hero-float-card {
            position: absolute;
            z-index: 4;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 14px;
            padding: 14px 18px;
            box-shadow:
                0 0 0 1px rgba(0,0,0,0.04),
                0 4px 8px rgba(0,0,0,0.04),
                0 12px 32px rgba(0,0,0,0.08);
            display: flex;
            align-items: center;
            gap: 12px;
            animation: heroFloat 4.5s ease-in-out infinite;
        }
        .hero-float-card--top {
            top: 15px;
            right: -16px;
        }
        .hero-float-card--bottom {
            bottom: 40px;
            right: -24px;
            animation-delay: -2s;
        }
        .hero-float-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .hero-float-icon--blue { background: var(--primary-light); color: var(--primary); }
        .hero-float-icon--green { background: #D1FAE5; color: var(--success); }
        .hero-float-text { font-size: 0.76rem; line-height: 1.4; }
        .hero-float-text strong { display: block; font-size: 0.92rem; color: var(--text); font-weight: 700; }
        .hero-float-text span { color: var(--text-light); }

        /* ===== SECTION COMMON ===== */
        section { padding: 80px 24px; }
        .section-inner { max-width: 1200px; margin: 0 auto; }
        .section-header { text-align: center; margin-bottom: 56px; }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== PROBLEMS ===== */
        .problems { background: var(--bg); }
        .problems-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .problem-card {
            background: var(--white);
            border: 1px solid #FEE2E2;
            border-radius: 16px;
            padding: 28px;
            transition: transform 0.3s;
        }
        .problem-card:hover { transform: translateY(-4px); }
        .problem-icon {
            width: 48px;
            height: 48px;
            background: #FEF2F2;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--error);
        }
        .problem-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
        .problem-card p { font-size: 0.9rem; color: var(--text-light); }

        /* ===== FEATURES ===== */
        #funcionalidades {
            background: linear-gradient(160deg, #0F172A 0%, #1E293B 60%, #172554 100%);
            position: relative;
            overflow: hidden;
        }
        #funcionalidades::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        #funcionalidades::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(5, 150, 105, 0.06) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        #funcionalidades .section-inner {
            position: relative;
            z-index: 1;
        }
        #funcionalidades .section-tag {
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
            border: 1px solid rgba(96, 165, 250, 0.2);
        }
        #funcionalidades .section-header h2 {
            color: #F8FAFC;
        }
        #funcionalidades .section-header p {
            color: #94A3B8;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 0;
            transition: all 0.4s ease;
            overflow: hidden;
            backdrop-filter: blur(8px);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(37,99,235,0.2);
            border-color: rgba(96, 165, 250, 0.25);
            background: rgba(255, 255, 255, 0.08);
        }
        .feature-card-img {
            width: 100%;
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-card:hover .feature-card-img img {
            transform: scale(1.06);
        }
        .feature-card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50px;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.8), transparent);
            pointer-events: none;
        }
        .feature-card-body {
            padding: 20px 24px 24px;
        }
        .feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: #F1F5F9; }
        .feature-card p { font-size: 0.9rem; color: #94A3B8; line-height: 1.6; }

        /* ===== DIGITAL SIGNATURE SECTION ===== */
        .signature-section {
            background: linear-gradient(145deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
            padding: 100px 24px;
            position: relative;
            overflow: hidden;
        }
        .signature-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -100px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .signature-section::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -80px;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(5, 150, 105, 0.08) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .signature-grid-bg {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
            background-size: 80px 80px;
            pointer-events: none;
        }
        .signature-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .signature-content { position: relative; }
        .signature-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            border: 1px solid rgba(96, 165, 250, 0.2);
        }
        .signature-tag svg {
            width: 14px;
            height: 14px;
            animation: signaturePulse 2s ease-in-out infinite;
        }
        @keyframes signaturePulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.15); }
        }
        .signature-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #F8FAFC;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .signature-title span {
            background: linear-gradient(135deg, #60A5FA 0%, #34D399 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .signature-subtitle {
            font-size: 1.05rem;
            color: #94A3B8;
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 440px;
        }
        .signature-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 36px;
        }
        .signature-step {
            display: flex;
            align-items: center;
            gap: 14px;
            position: relative;
        }
        .signature-step-num {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .signature-step-num--blue {
            background: rgba(37, 99, 235, 0.2);
            color: #60A5FA;
            border: 1px solid rgba(96, 165, 250, 0.25);
        }
        .signature-step-num--green {
            background: rgba(5, 150, 105, 0.2);
            color: #34D399;
            border: 1px solid rgba(52, 211, 153, 0.25);
        }
        .signature-step-text {
            font-size: 0.92rem;
            color: #CBD5E1;
            font-weight: 500;
        }
        .signature-step-text strong {
            color: #F1F5F9;
            font-weight: 700;
        }
        .signature-step-line {
            position: absolute;
            left: 17px;
            top: 36px;
            width: 2px;
            height: 16px;
            background: rgba(96, 165, 250, 0.15);
        }
        .signature-benefits {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .signature-benefit {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 18px 14px;
            text-align: center;
            transition: all 0.3s ease;
            backdrop-filter: blur(8px);
        }
        .signature-benefit:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(96, 165, 250, 0.25);
            transform: translateY(-2px);
        }
        .signature-benefit-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
        }
        .signature-benefit-icon--blue {
            background: rgba(37, 99, 235, 0.15);
            color: #60A5FA;
        }
        .signature-benefit-icon--green {
            background: rgba(5, 150, 105, 0.15);
            color: #34D399;
        }
        .signature-benefit-icon--amber {
            background: rgba(245, 158, 11, 0.15);
            color: #FBBF24;
        }
        .signature-benefit h3 {
            font-size: 0.78rem;
            font-weight: 700;
            color: #E2E8F0;
            margin-bottom: 4px;
        }
        .signature-benefit p {
            font-size: 0.7rem;
            color: #64748B;
            line-height: 1.4;
        }

        /* Image side */
        .signature-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .signature-img-glow {
            position: absolute;
            width: 320px;
            height: 420px;
            background: radial-gradient(ellipse, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            filter: blur(40px);
            pointer-events: none;
            z-index: 0;
        }
        .signature-img-wrapper {
            position: relative;
            z-index: 1;
            max-width: 340px;
            width: 100%;
        }
        .signature-img-wrapper img {
            width: 100%;
            height: auto;
            border-radius: 24px;
            -webkit-mask-image: linear-gradient(to bottom, black 0%, black 65%, transparent 100%);
            mask-image: linear-gradient(to bottom, black 0%, black 65%, transparent 100%);
            -webkit-mask-composite: source-in;
        }
        .signature-img-shine {
            position: absolute;
            inset: 0;
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 50%);
            pointer-events: none;
            z-index: 2;
        }
        /* Floating badge */
        .signature-float-badge {
            position: absolute;
            bottom: 60px;
            right: -20px;
            background: rgba(5, 150, 105, 0.15);
            border: 1px solid rgba(52, 211, 153, 0.25);
            backdrop-filter: blur(12px);
            border-radius: 14px;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 3;
            animation: signatureFloatBadge 3s ease-in-out infinite;
        }
        @keyframes signatureFloatBadge {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .signature-float-badge-icon {
            width: 32px;
            height: 32px;
            background: rgba(5, 150, 105, 0.2);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #34D399;
        }
        .signature-float-badge-text {
            font-size: 0.72rem;
            line-height: 1.4;
        }
        .signature-float-badge-text strong {
            display: block;
            color: #34D399;
            font-weight: 700;
            font-size: 0.78rem;
        }
        .signature-float-badge-text span {
            color: #94A3B8;
        }

        /* ===== BIA - ASSISTENTE DE IA ===== */
        .bia-section {
            background: linear-gradient(180deg, #FFFFFF 0%, #F5F3FF 50%, #ECFEFF 100%);
            padding: 100px 24px;
            position: relative;
            overflow: hidden;
        }
        .bia-section::before {
            content: '';
            position: absolute;
            top: -200px;
            left: -120px;
            width: 620px;
            height: 620px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.16) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .bia-section::after {
            content: '';
            position: absolute;
            bottom: -180px;
            right: -100px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.14) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .bia-grid-bg {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(139, 92, 246, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(139, 92, 246, 0.04) 1px, transparent 1px);
            background-size: 80px 80px;
            pointer-events: none;
        }
        .bia-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        /* Visual side */
        .bia-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 480px;
        }
        .bia-glow {
            position: absolute;
            width: 360px;
            height: 460px;
            background: radial-gradient(ellipse, rgba(139, 92, 246, 0.22) 0%, rgba(34, 211, 238, 0.16) 50%, transparent 75%);
            filter: blur(60px);
            pointer-events: none;
            z-index: 0;
            animation: biaGlowPulse 4s ease-in-out infinite;
        }
        @keyframes biaGlowPulse {
            0%, 100% { opacity: 0.7; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.06); }
        }
        .bia-img-wrapper {
            position: relative;
            z-index: 1;
            padding: 28px 32px;
            background: linear-gradient(180deg, #FFFFFF 0%, #FAF5FF 100%);
            border: 1px solid rgba(167, 139, 250, 0.28);
            border-radius: 28px;
            box-shadow: 0 20px 50px rgba(139, 92, 246, 0.14), 0 6px 16px rgba(15, 23, 42, 0.05);
            display: flex;
            justify-content: center;
            align-items: flex-end;
            min-height: 380px;
        }
        .bia-img-wrapper img {
            height: 320px;
            width: auto;
            display: block;
            filter: drop-shadow(0 14px 28px rgba(139, 92, 246, 0.22));
        }
        .bia-img-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: #FFFFFF;
            border: 1px solid rgba(167, 139, 250, 0.35);
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 700;
            color: #6D28D9;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
            z-index: 2;
        }
        .bia-img-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #10B981;
            box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
            animation: biaBadgePulse 1.6s ease-in-out infinite;
        }
        @keyframes biaBadgePulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.85); }
        }
        /* Chat bubbles */
        .bia-chat {
            position: absolute;
            border-radius: 16px;
            padding: 12px 16px;
            z-index: 3;
            font-size: 0.82rem;
            line-height: 1.45;
            max-width: 230px;
            box-shadow: 0 12px 28px rgba(15, 23, 42, 0.10), 0 2px 6px rgba(15, 23, 42, 0.04);
        }
        .bia-chat--user {
            background: #FFFFFF;
            border: 1px solid #E5E7EB;
            color: #1F2937;
            top: 24px;
            left: -16px;
            border-bottom-left-radius: 4px;
            animation: biaFloat 5s ease-in-out infinite;
        }
        .bia-chat--bot {
            background: linear-gradient(135deg, #F5F3FF 0%, #ECFEFF 100%);
            border: 1px solid rgba(139, 92, 246, 0.28);
            color: #1F2937;
            top: 50%;
            right: -28px;
            transform: translateY(-50%);
            border-bottom-right-radius: 4px;
            animation: biaFloatMid 5s ease-in-out infinite 1s;
        }
        .bia-chat--alert {
            background: #ECFDF5;
            border: 1px solid rgba(52, 211, 153, 0.4);
            color: #065F46;
            bottom: 32px;
            left: -8px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom-left-radius: 4px;
            animation: biaFloat 5s ease-in-out infinite 2s;
        }
        @keyframes biaFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes biaFloatMid {
            0%, 100% { transform: translateY(-50%); }
            50% { transform: translateY(calc(-50% - 6px)); }
        }
        .bia-chat p { font-size: 0.82rem; line-height: 1.45; }
        .bia-chat p strong { color: #111827; font-weight: 700; }
        .bia-chat-header {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 4px;
        }
        .bia-chat-avatar {
            width: 18px;
            height: 18px;
            border-radius: 6px;
            background: linear-gradient(135deg, #8B5CF6 0%, #22D3EE 100%);
            color: #FFFFFF;
            font-size: 0.62rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .bia-chat-header strong {
            font-size: 0.72rem;
            font-weight: 700;
            color: #6D28D9;
        }
        .bia-chat-alert-icon {
            width: 32px;
            height: 32px;
            background: rgba(5, 150, 105, 0.14);
            border-radius: 10px;
            color: #059669;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .bia-chat-alert-text strong {
            display: block;
            font-weight: 700;
            color: #047857;
            font-size: 0.82rem;
            line-height: 1.2;
        }
        .bia-chat-alert-text span {
            color: #6B7280;
            font-size: 0.7rem;
        }
        /* Content side */
        .bia-content { position: relative; }
        .bia-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(139, 92, 246, 0.10);
            color: #6D28D9;
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            border: 1px solid rgba(167, 139, 250, 0.3);
        }
        .bia-tag svg {
            width: 14px;
            height: 14px;
            animation: signaturePulse 2s ease-in-out infinite;
        }
        .bia-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .bia-title span {
            background: linear-gradient(135deg, #7C3AED 0%, #0891B2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bia-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 540px;
        }
        .bia-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
            margin-bottom: 32px;
        }
        .bia-card {
            background: #FFFFFF;
            border: 1px solid #E5E7EB;
            border-radius: 16px;
            padding: 18px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 6px rgba(15, 23, 42, 0.03);
        }
        .bia-card:hover {
            border-color: rgba(139, 92, 246, 0.4);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(139, 92, 246, 0.12);
        }
        .bia-card-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
        }
        .bia-card-icon--violet { background: rgba(139, 92, 246, 0.12); color: #7C3AED; }
        .bia-card-icon--cyan   { background: rgba(34, 211, 238, 0.14); color: #0891B2; }
        .bia-card-icon--green  { background: rgba(5, 150, 105, 0.12);  color: #059669; }
        .bia-card-icon--amber  { background: rgba(245, 158, 11, 0.14); color: #D97706; }
        .bia-card h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .bia-card p {
            font-size: 0.82rem;
            color: var(--text-light);
            line-height: 1.5;
        }
        .bia-cta-row {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .bia-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 26px;
            background: linear-gradient(135deg, #7C3AED 0%, #0891B2 100%);
            color: #FFFFFF;
            font-weight: 800;
            text-decoration: none;
            border-radius: 12px;
            font-size: 0.95rem;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            box-shadow: 0 10px 24px rgba(124, 58, 237, 0.3);
        }
        .bia-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(124, 58, 237, 0.42);
        }
        .bia-cta svg {
            width: 16px;
            height: 16px;
            transition: transform 0.2s ease;
        }
        .bia-cta:hover svg { transform: translateX(3px); }
        .bia-cta-note {
            font-size: 0.82rem;
            color: var(--text-light);
        }

        /* ===== APP SHOWCASE ===== */
        .showcase { background: var(--bg); }
        .showcase-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding: 20px 0;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .showcase-scroll::-webkit-scrollbar { display: none; }
        .showcase-item {
            flex-shrink: 0;
            scroll-snap-align: center;
            text-align: center;
        }
        .showcase-item img {
            width: 240px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        .showcase-item img:hover { transform: scale(1.03); }
        .showcase-item p {
            margin-top: 12px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-light);
        }

        /* ===== HOW IT WORKS ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            position: relative;
        }
        .step {
            text-align: center;
            position: relative;
        }
        .step-number {
            width: 56px;
            height: 56px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            margin: 0 auto 20px;
        }
        .step h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
        .step p { font-size: 0.9rem; color: var(--text-light); max-width: 280px; margin: 0 auto; }

        /* ===== PRICING ===== */
        .pricing { background: var(--bg); }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            max-width: 900px;
            margin: 0 auto;
            align-items: start;
        }
        .pricing-card {
            background: var(--white);
            border: 2px solid #E5E7EB;
            border-radius: 24px;
            padding: 40px;
            text-align: center;
            position: relative;
            overflow: visible;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .pricing-card:hover { transform: translateY(-4px); }
        .pricing-card.featured {
            border-color: var(--primary);
            background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
            box-shadow: 0 12px 48px rgba(37, 99, 235, 0.2), 0 0 0 2px var(--primary);
            transform: scale(1.05);
            position: relative;
            z-index: 2;
        }
        .pricing-card.featured:hover {
            transform: scale(1.05) translateY(-6px);
            box-shadow: 0 20px 60px rgba(37, 99, 235, 0.25), 0 0 0 2px var(--primary);
        }
        .pricing-badge {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%) translateY(-50%);
            background: linear-gradient(135deg, #2563EB, #1D4ED8);
            color: var(--white);
            padding: 8px 24px;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 100px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            animation: pulse-badge 2s ease-in-out infinite;
            z-index: 3;
        }
        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3); }
            50% { box-shadow: 0 4px 20px rgba(37, 99, 235, 0.5); }
        }
        .pricing-card.featured .btn-primary {
            background: linear-gradient(135deg, #1D4ED8, #2563EB);
            padding: 16px 32px;
            font-size: 1.05rem;
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
        }
        .pricing-card.featured .btn-primary:hover {
            box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
        }
        .pricing-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
        .pricing-price {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary);
            margin: 16px 0 4px;
        }
        .pricing-price span { font-size: 1rem; font-weight: 500; color: var(--text-light); }
        .pricing-trial {
            display: inline-block;
            background: #ECFDF5;
            color: var(--success);
            padding: 6px 20px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            margin: 12px 0 24px;
        }
        .pricing-features { list-style: none; text-align: left; margin-bottom: 32px; }
        .pricing-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid #F3F4F6;
            font-size: 0.95rem;
        }
        .pricing-features li svg { color: var(--success); flex-shrink: 0; }
        .pricing-features li.feature-highlight {
            font-weight: 700;
            color: var(--primary);
        }
        .pricing-payment {
            max-width: 900px;
            margin: 48px auto 0;
            text-align: center;
        }
        .pricing-payment-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .pricing-payment-subtitle {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .pricing-payment-methods {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 700px;
            margin: 0 auto;
        }
        .pricing-payment-method {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            background: var(--white);
            border: 2px solid #E5E7EB;
            border-radius: 16px;
            padding: 24px 20px;
            text-align: center;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .pricing-payment-method:hover {
            border-color: var(--primary-light);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.08);
        }
        .pricing-payment-method.pix-highlight {
            border-color: #32BCAD;
            background: linear-gradient(135deg, #F0FDFA 0%, #CCFBF1 100%);
            position: relative;
        }
        .pricing-payment-method.pix-highlight:hover {
            box-shadow: 0 4px 16px rgba(50, 188, 173, 0.15);
        }
        .pix-popular-badge {
            position: absolute;
            top: -10px;
            right: 16px;
            background: #32BCAD;
            color: white;
            padding: 4px 12px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
        }
        .pricing-payment-method h3 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0;
        }
        .pricing-payment-method p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin: 0;
            line-height: 1.5;
        }
        .pricing-payment-method ul {
            list-style: none;
            padding: 0;
            margin: 4px 0 0;
            text-align: left;
        }
        .pricing-payment-method ul li {
            font-size: 0.82rem;
            color: var(--text);
            padding: 3px 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .pricing-payment-method ul li svg {
            color: var(--success);
            flex-shrink: 0;
        }
        .pricing-security {
            text-align: center;
            margin-top: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            color: var(--text-light);
            font-size: 0.85rem;
        }
        .pricing-no-card {
            text-align: center;
            margin-top: 16px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary);
        }

        /* ===== ACCESS / CTA ===== */
        .access {
            background: linear-gradient(135deg, #1E40AF 0%, #2563EB 50%, #3B82F6 100%);
            color: var(--white);
            text-align: center;
        }
        .access h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
        .access p { font-size: 1.05rem; opacity: 0.9; margin-bottom: 40px; max-width: 500px; margin-left: auto; margin-right: auto; }
        .access-buttons {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .access-card {
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 16px;
            padding: 28px 36px;
            text-align: center;
            transition: all 0.3s;
            text-decoration: none;
            color: var(--white);
            min-width: 240px;
        }
        .access-card:hover { background: rgba(255,255,255,0.2); transform: translateY(-4px); }
        .access-card svg { margin-bottom: 12px; }
        .access-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
        .access-card p { font-size: 0.85rem; opacity: 0.8; margin-bottom: 0; }
        .access-card.google-play { position: relative; }
        .access-card .badge-soon {
            display: inline-block;
            background: var(--warning);
            color: var(--white);
            padding: 3px 12px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 700;
            margin-top: 8px;
            text-transform: uppercase;
        }

        /* ===== FOOTER ===== */
        .footer {
            background: #111827;
            color: #9CA3AF;
            padding: 48px 24px 24px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }
        .footer-brand { display: flex; align-items: center; gap: 12px; }
        .footer-brand img { width: 36px; height: 36px; border-radius: 50%; }
        .footer-brand span { color: var(--white); font-weight: 700; }
        .footer-links { display: flex; gap: 24px; }
        .footer-links a { color: #9CA3AF; text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
        .footer-links a:hover { color: var(--white); }
        .footer-bottom {
            max-width: 1200px;
            margin: 24px auto 0;
            padding-top: 24px;
            border-top: 1px solid #1F2937;
            text-align: center;
            font-size: 0.8rem;
        }

        /* ===== ANIMATIONS ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== MOBILE ===== */
        /* ===== TESTIMONIALS ===== */
        .testimonials { background: var(--white); }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--bg);
            border: 1px solid #E5E7EB;
            border-radius: 16px;
            padding: 28px;
            transition: transform 0.3s;
            position: relative;
        }
        .testimonial-card:hover { transform: translateY(-4px); }
        .testimonial-stars {
            display: flex;
            gap: 2px;
            margin-bottom: 16px;
            color: #FBBF24;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
            border: 3px solid var(--primary-light);
        }
        .testimonial-name { font-weight: 700; font-size: 0.9rem; }
        .testimonial-role { font-size: 0.8rem; color: var(--text-light); }
        .testimonial-quote {
            position: absolute;
            top: 16px;
            right: 24px;
            font-size: 3rem;
            color: var(--primary-light);
            font-family: Georgia, serif;
            line-height: 1;
        }

        /* ===== DEVICES ===== */
        .devices { background: var(--bg); }
        .devices-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .devices-text h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; }
        .devices-text p { color: var(--text-light); font-size: 1.05rem; line-height: 1.7; margin-bottom: 24px; }
        .devices-features { list-style: none; display: flex; flex-direction: column; gap: 12px; }
        .devices-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text);
        }
        .devices-features li svg { color: var(--success); flex-shrink: 0; }
        .devices-image {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .devices-image .notebook-img {
            width: 100%;
            max-width: 500px;
            filter: drop-shadow(0 20px 40px rgba(0,0,0,0.12));
        }
        .devices-image .phone-float {
            position: absolute;
            bottom: -20px;
            right: -10px;
            width: 120px;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.2);
        }

        /* ===== FAQ ===== */
        .faq { background: var(--bg); }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid #E5E7EB;
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s;
        }
        .faq-item.active { border-color: var(--primary-light); }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            font-family: 'Inter', sans-serif;
            transition: color 0.2s;
        }
        .faq-item.active .faq-question { color: var(--primary); }
        .faq-question:hover { color: var(--primary); }
        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            transition: transform 0.3s;
            color: var(--text-light);
        }
        .faq-item.active .faq-icon { transform: rotate(180deg); color: var(--primary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        .faq-item.active .faq-answer { max-height: 300px; }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .navbar-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                border-bottom: 1px solid #E5E7EB;
                box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            }
            .navbar-links.active { display: flex; }
            .menu-toggle { display: block; }
            .lang-selector { order: -1; margin-bottom: 8px; }
            .lang-dropdown { right: auto; left: 0; }
            .hero { padding: 100px 20px 50px; overflow: hidden; }
            .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 28px; }
            .hero h1 { font-size: 1.4rem; letter-spacing: -0.01em; }
            .hero h1 span::after { height: 4px; bottom: 1px; }
            .hero-desc { margin: 0 auto 20px; font-size: 0.9rem; }
            .hero-buttons { justify-content: center; align-items: center; gap: 10px; }
            .hero-store-badge, .hero-store-btn { width: 190px; }
            .hero-store-btn { height: 46px; font-size: 0.9rem; }
            .hero-trust { justify-content: center; flex-wrap: wrap; font-size: 0.75rem; }
            .hero-visual { margin-top: 10px; min-height: 280px; overflow: visible; }
            .hero-visual-blob { width: 260px; height: 260px; }
            .hero-visual-ring { width: 220px; height: 220px; }
            .hero-visual-dots { display: none; }
            .hero-img-main { max-width: 240px; transform: none; border-radius: 16px; }
            .hero-visual:hover .hero-img-main { transform: translateY(-4px); }
            .hero-img-person { width: 75px; bottom: -5px; left: 15px; border-radius: 12px; padding: 2px; }
            .hero-img-person img { border-radius: 10px; }
            .hero-float-card--top { top: 10px; right: 75px; padding: 5px 7px; }
            .hero-float-card--bottom { bottom: 35px; right: 70px; padding: 5px 7px; }
            .hero-float-icon { width: 22px; height: 22px; border-radius: 6px; }
            .hero-float-icon svg { width: 10px; height: 10px; }
            .hero-float-text { font-size: 0.55rem; }
            .hero-float-text strong { font-size: 0.62rem; }
            .hero-float-icon { width: 30px; height: 30px; border-radius: 8px; }
            .hero-float-icon svg { width: 14px; height: 14px; }
            .hero-float-text { font-size: 0.7rem; }
            .hero-float-text strong { font-size: 0.8rem; }
            .devices-inner { grid-template-columns: 1fr; text-align: center; gap: 32px; }
            .devices-features { align-items: center; }
            .devices-image .phone-float { width: 90px; right: 0; bottom: -10px; }
            .problems-grid, .features-grid, .steps-grid, .testimonials-grid { grid-template-columns: 1fr; }
            /* Signature section mobile */
            .signature-section { padding: 64px 20px; }
            .signature-inner { display: flex; flex-direction: column; gap: 28px; text-align: center; }
            .signature-content { display: contents; }
            .signature-tag { order: 1; align-self: center; margin-bottom: 0; }
            .signature-title { order: 2; font-size: 1.8rem; margin-bottom: 0; }
            .signature-visual { order: 3; width: 100%; }
            .signature-subtitle { order: 4; margin: 0 auto; font-size: 0.95rem; }
            .signature-steps { order: 5; align-items: center; margin-bottom: 0; }
            .signature-step-line { display: none; }
            .signature-benefits { order: 6; width: 100%; grid-template-columns: repeat(3, 1fr); gap: 8px; }
            .signature-benefit { padding: 14px 8px; }
            .signature-benefit h3 { font-size: 0.7rem; }
            .signature-benefit p { display: none; }
            .signature-img-wrapper { max-width: 260px; }
            .signature-float-badge { right: -10px; bottom: 40px; padding: 10px 12px; }
            .signature-float-badge-text { font-size: 0.65rem; }
            .signature-float-badge-text strong { font-size: 0.7rem; }
            /* Bia section mobile */
            .bia-section { padding: 64px 20px; }
            .bia-inner { display: flex; flex-direction: column; gap: 28px; text-align: center; }
            .bia-content { display: contents; }
            .bia-tag { order: 1; align-self: center; margin-bottom: 0; }
            .bia-title { order: 2; font-size: 1.8rem; margin-bottom: 0; }
            .bia-visual { order: 3; width: 100%; min-height: 400px; }
            .bia-subtitle { order: 4; margin: 0 auto; font-size: 0.95rem; }
            .bia-cards { order: 5; width: 100%; grid-template-columns: 1fr; gap: 10px; text-align: left; margin-bottom: 0; }
            .bia-cta-row { order: 6; justify-content: center; }
            .bia-img-wrapper { padding: 20px 24px; min-height: 320px; }
            .bia-img-wrapper img { height: 260px; }
            .bia-glow { width: 280px; height: 360px; }
            .bia-chat { font-size: 0.72rem; max-width: 200px; padding: 10px 12px; text-align: left; }
            .bia-chat--user { top: 10px; left: 0; }
            .bia-chat--bot { top: calc(50% + 35px); right: 0; }
            .bia-chat--alert { bottom: 8px; left: -4px; }
            .bia-chat-alert-text strong { font-size: 0.74rem; }
            .bia-chat-alert-text span { font-size: 0.64rem; }
            .section-header h2 { font-size: 1.7rem; }
            .access h2 { font-size: 1.7rem; }
            .access-buttons { flex-direction: column; align-items: center; }
            .pricing-grid { grid-template-columns: 1fr; max-width: 480px; }
            .pricing-card { padding: 28px; }
            .pricing-card.featured {
                order: -1;
                transform: none;
                background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
                box-shadow: 0 8px 32px rgba(37, 99, 235, 0.15), 0 0 0 2px var(--primary);
            }
            .pricing-card.featured:hover { transform: translateY(-4px); }
            .pricing-price { font-size: 2.8rem; }
            .pricing-payment { flex-direction: column; gap: 16px; }
            .pricing-payment-methods { grid-template-columns: 1fr; }
            .footer-inner { flex-direction: column; text-align: center; }
            .footer-links { flex-direction: column; gap: 12px; }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .problems-grid, .features-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
            .hero h1 { font-size: 2.5rem; }
            .hero-inner { gap: 36px; }
            .hero-img-main { max-width: 380px; }
            .hero-img-person { width: 120px; left: -20px; }
            .hero-float-card--top { right: 0; }
            .hero-float-card--bottom { right: -5px; }
            .hero-visual { min-height: 440px; }
            .hero-visual-blob { width: 380px; height: 380px; }
            /* Signature section tablet */
            .signature-inner { gap: 40px; }
            .signature-title { font-size: 2rem; }
            .signature-img-wrapper { max-width: 280px; }
            /* Bia section tablet */
            .bia-inner { gap: 40px; }
            .bia-title { font-size: 2rem; }
            .bia-img-wrapper img { height: 280px; }
            .bia-cards { gap: 10px; }
            .bia-card { padding: 14px; }
            .bia-card h3 { font-size: 0.9rem; }
            .bia-card p { font-size: 0.78rem; }
        }