:root {
            --primary: #2c3e50;
            --secondary: greenyellow;
            --dark: #101010;
            --text: #333;
            --white: #ffffff;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        header {
            position: fixed;
            width: 100%;
            z-index: 1000;
            background: rgba(44, 62, 80, 0.95);
            backdrop-filter: blur(10px);
        }

        footer {
            background: linear-gradient(var(--primary), var(--dark));
            color: white;
            text-align: center;
            padding: clamp(30px, 8vw, 40px);
            font-size: 0.95rem;
        }

        .navbar {
            max-width: 1200px;
            margin: auto;
            padding: 0 20px;
            height: 64px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo a {
            color: var(--white);
            font-size: 1.5rem;
            text-decoration: none;
            font-family: 'Orbitron', sans-serif;
        }

        .logo span { color: var(--secondary); }

        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 20px 60px;
            background: linear-gradient(135deg, var(--primary), #34495e);
            color: white;
            position: relative;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 8vw, 4.5rem);
            margin-bottom: 20px;
            font-family: 'Orbitron', sans-serif;
            line-height: 1.2;
        }

        .hero .highlight {
            background: var(--secondary);
            color: var(--dark);
            padding: 10px 25px;
            border-radius: 50px;
            font-weight: bold;
            display: inline-block;
            font-size: clamp(1.1rem, 4vw, 1.4rem);
        }

        .price-hero {
            font-size: clamp(3rem, 12vw, 6rem);
            font-weight: bold;
            background: linear-gradient(45deg, var(--secondary), #adff2f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 30px 0;
            font-family: 'Orbitron', sans-serif;
        }

        .btn-primary {
            display: inline-block;
            background: var(--secondary);
            color: var(--dark);
            padding: 20px 30px;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: bold;
            text-decoration: none;
            margin: 20px 10px;
            box-shadow: 0 15px 35px rgba(173,255,47,0.4);
            transition: all 0.3s;
            font-family: 'Orbitron', sans-serif;
        }

        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 45px rgba(173,255,47,0.6);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
            padding: 18px 40px;
        }

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

        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin: 80px 0;
        }

        .feature-card {
            background: var(--white);
            padding: 40px 25px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 15px 40px rgba(0,0,0,0.1);
            border-top: 5px solid var(--secondary);
            transition: 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-10px);
        }

        .feature-card i {
            font-size: 3.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .pricing-box {
            background: var(--white);
            padding: 60px 20px;
            border-radius: 25px;
            text-align: center;
            box-shadow: 0 25px 70px rgba(0,0,0,0.15);
            max-width: 650px;
            width: 100%;
            margin: 80px auto;
        }

        .price-big {
            font-size: 5rem;
            font-weight: bold;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 20px 0;
            font-family: 'Orbitron', sans-serif;
        }

        .cta-section {
            background: var(--primary);
            color: white;
            padding: 100px 20px;
            text-align: center;
        }

        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: #25d366;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            text-decoration: none;
            box-shadow: 0 10px 30px rgba(37,211,102,0.4);
            z-index: 1000;
            transition: all 0.3s;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 30px;
        }

        @media (max-width: 768px) {
            .price-big { font-size: 4rem; }
            .pricing-box { padding: 40px 25px; max-width: 90%; }
            .hero { padding: 100px 20px 40px; }
            .pricing-grid { grid-template-columns: 1fr !important; gap: 15px !important; }
        }