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

:root {
  --fg: #111111;
  --fg-muted: #888888;
  --bg: #fafafa;
  --border: #e0e0e0;
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  max-width: 480px;
  width: 100%;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--fg);
}

.subtitle {
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  color: var(--fg-muted);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.01em;
  margin-top: -0.75rem;
}

.coming-soon {
  display: inline-block;
  padding: 0.65rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: default;
  transition: border-color 0.2s ease, color 0.2s ease;
  outline: none;
  pointer-events: none;
}

.coming-soon:not([disabled]):hover {
  border-color: var(--fg);
  color: var(--fg);
}