* {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #ffffff;
  min-height: 100vh;
  padding: 20px;
}

main {
  background-color: #b7b7b7;
  max-width: 800px;
  margin: auto;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

h1 {
  text-align: center;
  background: #f0a04b;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 30px;
  font-size: 2.5em;
  font-weight: bold;
}

.logo-container {
  text-align: center;
  margin-bottom: 30px;
}

.JF-logo {
  width: 200px;
  height: auto;
  border-radius: 10px;
  transition: transform 0.3s ease;
}

.JF-logo:hover {
  transform: scale(1.05);
}

.description {
  font-size: 18px;
  line-height: 1.6;
  color: #ffffff;
  margin-bottom: 30px;
  text-align: justify;
}

.download-link {
  display: inline-block;
  background: #f0a04b;
  color: white;
  padding: 12px 25px;
  text-decoration: none;
  border-radius: 25px;
  font-weight: bold;
  transition: all 0.3s ease;
  margin: 10px 5px;
}

.download-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.video-container {
  text-align: center;
  margin-top: 40px;
}

.JF-video {
  width: 100%;
  max-width: 560px;
  height: 315px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  main {
    margin: 10px;
    padding: 20px;
  }

  h1 {
    font-size: 2em;
  }

  .description {
    font-size: 16px;
  }

  .JF-video {
    height: 250px;
  }
}