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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .background-pattern {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.1;
            z-index: -1;
            background-image: 
                radial-gradient(circle at 25% 25%, rgba(255,255,255,0.3) 2px, transparent 2px),
                radial-gradient(circle at 75% 75%, rgba(255,255,255,0.2) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: float 20s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(1deg); }
        }

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

        /* Header */
        header {
            padding: 20px 0;
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo::before {
            content: "📱";
            font-size: 1.5em;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: white;
            transform: translateY(-2px);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #25D366, #128C7E);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .hero {
            padding: 100px 0 150px;
            text-align: center;
            color: white;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(37, 211, 102, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            animation: glow 4s ease-in-out infinite alternate;
        }

        @keyframes glow {
            0% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
            100% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.1; }
        }

        .hero-content {
            position: relative;
            z-index: 10;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 0%, #25D366 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: slideInUp 1s ease-out;
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 40px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            animation: slideInUp 1s ease-out 0.2s both;
        }

        .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            color: white;
            padding: 18px 40px;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
            animation: slideInUp 1s ease-out 0.4s both;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
        }

        .cta-button::after {
            content: "🚀";
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-10px); }
            60% { transform: translateY(-5px); }
        }

        /* Features Section */
        .features {
            padding: 100px 0;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .features h2 {
            text-align: center;
            font-size: 2.5rem;
            color: white;
            margin-bottom: 60px;
            font-weight: 800;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            padding: 40px 30px;
            border-radius: 20px;
            text-align: center;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
            transition: left 0.5s ease;
        }

        .feature-card:hover::before {
            left: 100%;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            display: block;
        }

        .feature-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            font-weight: 700;
        }

        .feature-card p {
            opacity: 0.9;
            line-height: 1.6;
        }

        /* Contact Form Section */
        .contact {
            padding: 100px 0;
            background: rgba(0, 0, 0, 0.1);
        }

        .contact h2 {
            text-align: center;
            font-size: 2.5rem;
            color: white;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .contact-subtitle {
            text-align: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.2rem;
            margin-bottom: 50px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .contact-form {
            max-width: 600px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            padding: 50px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: white;
            font-weight: 600;
        }

        input, textarea, select {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            font-size: 1rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        select {
            cursor: pointer;
        }

        select option {
            background: rgba(102, 126, 234, 0.95);
            color: white;
            padding: 10px;
        }

        select option:first-child {
            color: rgba(255, 255, 255, 0.7);
            font-style: italic;
        }

        select option:not(:first-child) {
            color: white;
            font-weight: 500;
        }

        /* Estilos específicos para diferentes navegadores */
        select:invalid {
            color: rgba(255, 255, 255, 0.7);
        }

        select:valid {
            color: white;
        }

        input::placeholder, textarea::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #25D366;
            box-shadow: 0 0 20px rgba(37, 211, 102, 0.3);
            transform: translateY(-2px);
        }

        textarea {
            resize: vertical;
            min-height: 120px;
        }

        .submit-btn {
            width: 100%;
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            color: white;
            padding: 18px;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .submit-btn:hover:not(:disabled) {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
        }

        .submit-btn:active:not(:disabled) {
            transform: translateY(-1px);
        }

        .submit-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none;
        }

        /* Loading animation for submit button */
        .submit-btn.loading::after {
            content: '';
            position: absolute;
            top: 50%;
            right: 20px;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
            transform: translateY(-50%);
        }

        @keyframes spin {
            to { transform: translateY(-50%) rotate(360deg); }
        }

        /* Footer */
        footer {
            padding: 50px 0 30px;
            text-align: center;
            background: rgba(0, 0, 0, 0.2);
            color: rgba(255, 255, 255, 0.8);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
        }

        .footer-links {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 20px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .footer-links a:hover {
            color: #25D366;
        }

        .footer-links a::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 0;
            height: 1px;
            background: #25D366;
            transition: width 0.3s ease;
        }

        .footer-links a:hover::after {
            width: 100%;
        }

        .social-links {
            display: flex;
            gap: 20px;
        }

        .social-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.5rem;
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            color: #25D366;
            transform: translateY(-3px);
        }

        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* Modal Styles for Policies */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(5px);
        }

        .modal-content {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
            margin: 5% auto;
            padding: 40px;
            border-radius: 20px;
            width: 90%;
            max-width: 800px;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            animation: modalSlideIn 0.3s ease-out;
        }

        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: translateY(-50px) scale(0.9);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 2px solid #25D366;
        }

        .modal-header h2 {
            color: #333;
            font-size: 2rem;
            font-weight: 800;
            margin: 0;
        }

        .close {
            color: #666;
            font-size: 2rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.1);
        }

        .close:hover {
            color: #25D366;
            background: rgba(37, 211, 102, 0.1);
            transform: rotate(90deg);
        }

        .modal-body {
            color: #333;
            line-height: 1.8;
        }

        .modal-body h3 {
            color: #25D366;
            font-size: 1.3rem;
            margin: 25px 0 15px;
            font-weight: 700;
        }

        .modal-body p {
            margin-bottom: 15px;
        }

        .modal-body ul {
            margin: 15px 0;
            padding-left: 20px;
        }

        .modal-body li {
            margin-bottom: 8px;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .contact-form {
                padding: 30px 20px;
                margin: 0 20px;
            }

            .footer-content {
                flex-direction: column;
                text-align: center;
            }
            
            .footer-links {
                flex-direction: column;
                gap: 15px;
            }
            
            .modal-content {
                margin: 2% auto;
                padding: 20px;
                width: 95%;
                max-height: 90vh;
            }
            
            .modal-header h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .hero {
                padding: 80px 0 100px;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .features, .contact {
                padding: 60px 0;
            }

            .contact-form {
                margin: 0 10px;
                padding: 25px 15px;
            }
        }

        /* Success Message */
        .success-message {
            display: none;
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            color: white;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
            text-align: center;
            font-weight: 600;
        }

        .success-message.show {
            display: block;
            animation: slideInDown 0.5s ease-out;
        }

        @keyframes slideInDown {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* WhatsApp Floating Button */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
            text-decoration: none;
            box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
            z-index: 1000;
            transition: all 0.3s ease;
            animation: floatBounce 3s ease-in-out infinite;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
            box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
        }

        .whatsapp-float:active {
            transform: scale(0.95);
        }

        @keyframes floatBounce {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        .whatsapp-float::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: rgba(37, 211, 102, 0.3);
            animation: ripple 2s infinite;
        }

        @keyframes ripple {
            0% {
                transform: scale(1);
                opacity: 1;
            }
            100% {
                transform: scale(1.8);
                opacity: 0;
            }
        }

        /* WhatsApp tooltip */
        .whatsapp-float .tooltip {
            position: absolute;
            right: 70px;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 0.9rem;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s ease;
            font-family: 'Inter', sans-serif;
        }

        .whatsapp-float .tooltip::after {
            content: '';
            position: absolute;
            left: 100%;
            top: 50%;
            transform: translateY(-50%);
            border: 5px solid transparent;
            border-left-color: rgba(0, 0, 0, 0.8);
        }

        .whatsapp-float:hover .tooltip {
            opacity: 1;
        }

        @media (max-width: 768px) {
            .whatsapp-float {
                bottom: 20px;
                right: 20px;
                width: 55px;
                height: 55px;
                font-size: 1.8rem;
            }
            
            .whatsapp-float .tooltip {
                display: none;
            }
        }