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

html, body {
  height: 100%;
}

body {
  background-color: #0f0f0f;
  color: #f0f0f0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

main {
  text-align: center;
  max-width: 560px;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 20px;
}

p {
  font-size: clamp(0.95rem, 2.5vw, 1.125rem);
  color: #888888;
  line-height: 1.6;
}