/* Reset + base */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { background: #ffffff; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

/* Centering container */
.center {
  min-height: 100vh;
  display: flex;
  align-items: center;      /* vertical centering */
  justify-content: center;  /* horizontal centering */
  padding: 24px;
}

/* Responsive logo sizing */
.logo {
  width: min(720px, 90vw);
  height: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
}