* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  height: 100vh;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
}
.container {
  padding: 2rem;
  text-align: center;
}
.glass-box {
  background: rgba(255, 255, 255, 0.1);
  padding: 3rem;
  border-radius: 15px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: #ccc;
}
.button {
  text-decoration: none;
  background-color: #00bfff;
  color: white;
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s;
}
.button:hover {
  background-color: #009acd;
}