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

html, body {
  height: 100%;
}

body {
  background: #0a0a0a url('background.svg') center center / cover no-repeat fixed;
  color: #f4f4f2;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  position: relative;
}

.logo {
  position: absolute;
  top: 5vh;
  left: 50%;
  transform: translateX(-50%);
  width: clamp(120px, 13.5vw, 195px);
  height: auto;
  filter: drop-shadow(0 0 24px rgba(0,0,0,0.55));
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}

footer {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  color: #555;
}