:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

.oldscreen-page {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  position: relative;
  background: #000;
}

.oldscreen-bg {
  position: fixed;
  inset: 0;
  display: block;
  width: 100vw;
  height: 100vh;
  background: #000;
  z-index: 0;
  pointer-events: none;
}

.oldscreen-content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  padding: 3rem 1.5rem;
  text-align: center;
}

.oldscreen-content h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.oldscreen-content p {
  max-width: 48rem;
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
}

.oldscreen-content code {
  padding: 0.1rem 0.35rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 0.25rem;
}