body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  color: #ffffff;
}

.container {
  width: 90%;
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

header {
  background-color: #0f3460;
  padding: 20px 0;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2.5em;
}

nav a {
  margin: 0 15px;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  padding: 40px 0;
  text-align: center;
}

.player {
  text-align: center;
  margin-top: 20px;
}

audio {
  width: 300px;
}

footer {
  background-color: #0f3460;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}