/* Base reset */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: #060805;
  color: #fff;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

/* Centering container */
.center {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

/* Logo sizing: scales responsively but never exceeds viewport */
.logo {
  width: min(60vw, 60vh);
  max-width: 720px;
  height: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
}

@media (max-width: 480px) {
  .logo { width: min(80vw, 80vh); }
}