/* Reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0e0e0e;
  color: #f0f0f0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 2rem;
}

main {
  text-align: center;
  max-width: 600px;
  width: 100%;
  background: #1a1a1a;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
}

h1 {
  font-size: 2.5rem;
  color: #ffffff;
}

.subtitle {
  font-size: 1.2rem;
  color: #bbbbbb;
  margin-bottom: 2rem;
}

.content p {
  font-size: 1rem;
  margin-bottom: 2rem;
  color: #cccccc;
}

footer {
  font-size: 0.9rem;
  color: #666;
  border-top: 1px solid #333;
  padding-top: 1rem;
}