<!-- Critical CSS (Keep existing CSS inside <style> block) -->
  <style>
    /* Keep your existing CSS here — already good */
    /* Add: */
   html {
  scroll-behavior: smooth;
}
    img[loading="lazy"] {
      filter: blur(0.2px);
      transition: filter 0.3s ease-in-out;
    }
  </style>
</head>


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

  body {
    font-family: 'Segoe UI', sans-serif;
    background: #000;
    color: #fff;
    overflow-x: hidden;
  }

  nav {
    background: #0c0c0c;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 100;
    border-bottom: 2px solid #1f1f1f;
  }

  nav .logo {
    font-size: 1.6em;
    font-weight: bold;
    color: #7b4bf9;
  }

  nav .links {
    display: flex;
  }

  nav .links a {
    color: #ccc;
    margin-left: 20px;
    text-decoration: none;
    transition: color 0.3s ease;
  }

  nav .links a:hover {
    color: #7b4bf9;
  }

  .menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
  }

  .menu-toggle span {
    height: 3px;
    width: 25px;
    background: #fff;
    margin: 4px 0;
    border-radius: 2px;
  }

  .hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(to bottom, #000000, #0e0e20);
    position: relative;
  }

  .hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    height: 12px;
    width: 100%;
    background: linear-gradient(to right, #7b4bf9, #00d4ff);
  }

  .hero img {
    width: 320px;
    border-radius: 8px;
    margin-bottom: 20px;
    animation: fadeIn 1s ease;
  }

  .hero h1 {
    font-size: 2.4em;
    margin-bottom: 0.5em;
  }

  .hero p {
    font-size: 1.2em;
    margin: 0 auto 1em;
    max-width: 600px;
    color: #aaa;
  }

  .btn {
    background: #7b4bf9;
    padding: 14px 28px;
    color: #fff;
    border: none;
    border-radius: 999px;
    margin: 8px;
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px #7b4bf9;
  }

  .btn:hover {
    background: #612ae1;
    transform: scale(1.05);
  }

  .btn i {
    margin-right: 8px;
  }

  .features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 60px 20px;
    gap: 40px;
  }

  .feature {
    width: 300px;
    text-align: center;
    border: 1px solid #1a1a1a;
    border-radius: 12px;
    padding: 20px;
    background: #111;
    box-shadow: 0 0 10px rgba(123, 75, 249, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .feature:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 16px #7b4bf9;
  }

  .feature img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 12px;
  }

  .feature h3 {
    font-size: 1.1em;
    color: #f9a825;
  }

  .info {
    padding: 60px 20px;
    background: #0f0f0f;
    text-align: center;
  }

  .info h2 {
    font-size: 2em;
    margin-bottom: 12px;
  }

  .info p {
    max-width: 700px;
    margin: 0 auto;
    color: #ccc;
  }

  .testimonials {
    padding: 60px 20px;
    text-align: center;
  }

  .testimonials blockquote {
    font-style: italic;
    color: #aaa;
    margin-bottom: 8px;
  }

  .testimonials cite {
    color: #888;
    font-size: 0.9em;
  }

  footer {
    background: #0c0c0c;
    color: #aaa;
    padding: 40px 20px 20px;
    font-size: 0.9em;
  }

  .footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1000px;
    margin: 0 auto;
  }

  .footer-col {
    flex: 1 1 200px;
    margin: 10px;
  }

  .footer-col h4 {
    color: #fff;
    margin-bottom: 10px;
  }

  .footer-col ul {
    list-style: none;
    padding: 0;
  }

  .footer-col ul li {
    margin-bottom: 8px;
  }

  .footer-col ul li a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s ease;
  }

  .footer-col ul li a:hover {
    color: #7b4bf9;
  }

  .social-icons a {
    margin-right: 12px;
    color: #aaa;
    font-size: 1.2em;
    transition: color 0.3s ease;
  }

  .social-icons a:hover {
    color: #7b4bf9;
  }

  .footer-note {
    text-align: center;
    margin-top: 20px;
    border-top: 1px solid #1f1f1f;
    padding-top: 15px;
    color: #777;
  }

  @media (max-width: 768px) {
    nav .links {
      position: absolute;
      top: 60px;
      left: 0;
      background: #1f1f1f;
      width: 100%;
      flex-direction: column;
      display: none;
    }

    nav .links.active {
      display: flex;
    }

    nav .links a {
      padding: 15px;
      border-top: 1px solid #333;
      margin-left: 0;
    }

    .menu-toggle {
      display: flex;
    }

    .features {
      flex-direction: column;
      align-items: center;
    }

    .footer-container {
      display: grid;
      grid-template-columns: 1fr 1fr; /* two columns */
      gap: 20px;
      text-align: center;
    }

    .footer-col {
      margin-bottom: 10px;
    }

    .social-icons {
      justify-content: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .hero h1 {
      font-size: 1.6em;
    }
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
</style>