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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--ff-body, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif);
  color: #111;
  background: var(--letterbox-bg, #0a0a0a);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  overscroll-behavior: none;
}

img,
svg {
  max-width: 100%;
  display: block;
}

button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
  padding: 0;
}