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

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #ffffff;
            background: linear-gradient(135deg, #0f1419 0%, #1a2332 50%, #2d3e5c 100%);
            overflow-x: hidden;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(15, 20, 25, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            background: linear-gradient(135deg, #25d366, #128c7e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: #ffffff;
            text-decoration: none;
            transition: color 0.3s ease;
            font-weight: 500;
        }

        .nav-links a:hover {
            color: #25d366;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 0 2rem;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.1" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }

        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-text h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #ffffff, #25d366);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .hero-text p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            line-height: 1.6;
        }

        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, #25d366, #128c7e);
            color: white;
            padding: 1rem 2.5rem;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
        }

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

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .phone-mockup {
            width: 300px;
            height: 600px;
            background: linear-gradient(135deg, #1e2328, #2d3e5c);
            border-radius: 30px;
            padding: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            position: relative;
            overflow: hidden;
        }

        .phone-screen {
            width: 100%;
            height: 100%;
            background: #25d366;
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 1.2rem;
            text-align: center;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        /* Features Section */
        .features {
            padding: 6rem 2rem;
            background: rgba(255, 255, 255, 0.02);
        }

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

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #ffffff, #25d366);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            opacity: 0.8;
            margin-bottom: 4rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            padding: 2.5rem;
            border-radius: 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 20px 40px rgba(37, 211, 102, 0.1);
        }

        .feature-icon {
            font-size: 3rem;
            color: #25d366;
            margin-bottom: 1.5rem;
            display: block;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #ffffff;
        }

        .feature-card p {
            opacity: 0.8;
            line-height: 1.6;
        }

        /* Benefits Section */
        .benefits {
            padding: 6rem 2rem;
        }

        .benefits-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .benefits-content h2 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #ffffff, #25d366);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .benefits-list {
            list-style: none;
            margin-top: 2rem;
        }

        .benefits-list li {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .benefits-list li:hover {
            background: rgba(37, 211, 102, 0.1);
        }

        .benefits-list i {
            color: #25d366;
            margin-right: 1rem;
            font-size: 1.2rem;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .stat-card {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            padding: 2rem;
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: #25d366;
            display: block;
        }

        .stat-label {
            opacity: 0.8;
            margin-top: 0.5rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 6rem 2rem;
            background: rgba(37, 211, 102, 0.1);
            text-align: center;
        }

        .cta-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        /* Footer */
        footer {
            background: rgba(15, 20, 25, 0.8);
            padding: 3rem 2rem 1rem;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #ffffff;
            text-decoration: none;
            opacity: 0.8;
            transition: opacity 0.3s ease;
        }

        .footer-links a:hover {
            opacity: 1;
            color: #25d366;
        }

        /* WhatsApp Float Button */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: #25d366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            text-decoration: none;
            box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
            transition: all 0.3s ease;
            z-index: 1000;
            animation: bounce 2s infinite;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
            box-shadow: 0 15px 40px rgba(37, 211, 102, 0.6);
        }

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

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(15, 20, 25, 0.95);
                flex-direction: column;
                padding: 1rem;
                gap: 1rem;
            }

            .nav-links.active {
                display: flex;
            }

            .menu-toggle {
                display: block;
            }

            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 2rem;
            }

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

            .phone-mockup {
                width: 250px;
                height: 500px;
            }

            .benefits-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

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

            .section-title {
                font-size: 2rem;
            }

            .cta-section h2 {
                font-size: 2rem;
            }

            .footer-links {
                flex-direction: column;
                gap: 1rem;
            }

            .whatsapp-float {
                bottom: 20px;
                right: 20px;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 480px) {
            .hero-text h1 {
                font-size: 2rem;
                margin-top: 4em;
            }

            .hero-text p {
                font-size: 1rem;
            }

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

            .feature-card {
                padding: 1.5rem;
            }

            nav {
                padding: 0 1rem;
            }

            .hero, .features, .benefits, .cta-section, footer {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }