:root {
  color-scheme: dark;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-synthesis: none;
}

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

html, body { min-height: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #f5f5f5;
  background:
    radial-gradient(ellipse at 50% 44%, #171717 0%, #0b0b0b 48%, #050505 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .25;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    #000 4px
  );
}

h1 {
  margin: 0;
  padding: 0 24px;
  font-size: clamp(3.25rem, 11vw, 8rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.085em;
  text-shadow: 0 0 25px #ffffff25;
  white-space: nowrap;
}

h1::after {
  content: "";
  display: inline-block;
  width: .11em;
  height: .78em;
  margin-left: .2em;
  background: #f5f5f5;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@media (max-width: 520px) {
  h1 { font-size: clamp(2.75rem, 14vw, 5rem); }
}