body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f8f9fa;
  color: #333;
  line-height: 1.6;
}

header {
  background: #2c3e50;
  color: white;
  text-align: center;
  padding: 20px;
}

.logo {
  width: 100px;
  margin-bottom: 10px;
}

.download {
  text-align: center;
  margin: 30px 0;
}

.download-btn {
  background: #27ae60;
  color: white;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 5px;
  font-size: 18px;
  display: inline-block;
  margin-top: 10px;
  transition: background 0.3s ease;
}

.download-btn:hover {
  background: #219150;
}

.about {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.logo-small {
  width: 60px;
  display: block;
  margin: 0 auto 10px;
}

footer {
  text-align: center;
  background: #2c3e50;
  color: white;
  padding: 10px;
  margin-top: 20px;
}