body {
  background-color: #0c0c0c;
  color: white;
  font-family: 'Inter', sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
}
.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 85vh;
  padding: 20px;
}
.logo {
  width: 200px;
  margin-bottom: 30px;
  filter: drop-shadow(0 0 15px #1DB954);
}
h1 {
  color: #1DB954;
  font-size: 2.2em;
  text-shadow: 0 0 20px #1DB954;
}
p {
  font-size: 1.2em;
  color: #ccc;
  margin-bottom: 25px;
}
.btn {
  background-color: #1DB954;
  color: white;
  padding: 15px 30px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 0 20px #1DB954;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px #1DB954;
}
footer {
  background-color: #111;
  padding: 15px;
  font-size: 0.9em;
  color: #888;
}
@media (max-width: 768px) {
  .logo {
    width: 260px;
  }
  h1 {
    font-size: 2em;
  }
  p {
    font-size: 1.1em;
  }
}