body {
  margin: 0;
  font-family: system-ui, -apple-system, Arial;
  background: #0b0f17;
  color: white;
}

header {
  text-align: center;
  padding: 80px 24px;
}

h1 {
  font-size: 42px;
  margin-bottom: 10px;
}

p {
  max-width: 600px;
  margin: 0 auto 16px auto;
  opacity: 0.9;
}

.button {
  background: #00e0b8;
  color: black;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
}

section {
  padding: 40px 24px;
  text-align: center;
}

footer {
  text-align: center;
  padding: 30px 0;
  opacity: 0.6;
}