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

body {
  background: #0b0e14;
  color: #e6e9ef;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.container {
  max-width: 560px;
  padding: 40px 24px;
}

h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 16px;
}

p {
  color: #9aa4b2;
  font-size: 1.05rem;
  line-height: 1.5;
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  background: #4f6df5;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 10px;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn:hover {
  background: #3f5ce0;
  transform: translateY(-1px);
}