* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #0f172a;
  color: #fff;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.container {
  padding: 20px;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

p {
  font-size: 1.2rem;
  margin: 10px 0;
}

#countdown {
  font-size: 2rem;
  margin: 20px 0;
  font-weight: bold;
}

.footer {
  margin-top: 40px;
  font-size: 0.9rem;
  opacity: 0.7;
}