body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    color: #333;
    user-select: none;
  }
  
  .header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
  }
  
  .header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
  }
  
  .header .logo {
    font-size: 24px;
    font-weight: 700;
    color: #007bff;
  }
  
  .header nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
  }
  
  .header nav ul li {
    margin-right: 20px;
  }
  
  .header nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
  }
  
  .header .cta-button {
    background: linear-gradient(90deg, #007bff, #00c6ff);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
  }
  
  .hero {
    background: linear-gradient(135deg, #007bff, #00c6ff);
    color: white;
    text-align: center;
    padding: 150px 20px;
    margin-top: 70px;
  }
  
  .hero .container {
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .product-features {
    background: #f9f9f9;
    padding: 60px 20px;
  }
  
  .product-features .container {
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .features-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
  }
  
  .feature {
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px;
    flex: 1;
    min-width: 250px;
    text-align: center;
  }
  
  .feature img {
    max-width: 100%;
    height: auto;
  }
  
  .testimonials {
    background: #fff;
    padding: 60px 20px;
    text-align: center;
  }
  
  .testimonials .container {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .testimonials .testimonial {
    margin-bottom: 30px;
  }
  
  .footer {
    background: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
  }
  
  .footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
  }
  
  .footer .container div {
    margin-bottom: 10px;
  }
  
  .footer a {
    color: #fff;
    text-decoration: none;
    margin-right: 15px;
  }
  
  .footer .social-media a {
    margin-right: 10px;
  }
  
  #popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.popup-content {
    width: 100%;
    max-width: 100%;
    background-color: white;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

button {
    padding: 10px 20px;
    border: none;
    background-color: #007BFF;
    color: white;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background-color: #0056b3;
}