body {
  background: #222;
  color: #fff;
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 30px;
  text-align: center;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
}

.logo {
  width: 180px;
  max-width: 80%;
  height: auto;
  margin: 30px auto;
  display: block;
}

h1 {
  font-size: 2.2em;
  margin-bottom: 0.4em;
}

p {
  font-size: 1.1em;
  margin-bottom: 1em;
}

.tagline {
  font-style: italic;
  color: orange;
}

.loader {
  margin: 40px auto;
  width: 50px;
  height: 50px;
  border: 5px solid #fff;
  border-top: 5px solid orange;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.6em;
  }

  p {
    font-size: 1em;
  }

  .logo {
    width: 120px;
  }

  .loader {
    width: 40px;
    height: 40px;
  }
}