/* Reset and global setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--f-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  user-select: none;
  -webkit-user-select: none;
}

::selection {
  background: var(--blue);
  color: var(--white);
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* Textures */
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.07;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  z-index: 5;
}

.halftone {
  background-image: radial-gradient(circle, var(--ink) 1.3px, transparent 1.7px);
  background-size: 9px 9px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 50%, #000 0%, #000 35%, transparent 75%);
  mask-image: radial-gradient(ellipse at 70% 50%, #000 0%, #000 35%, transparent 75%);
}

.halftone--blue {
  background-image: radial-gradient(circle, var(--blue) 1.3px, transparent 1.7px);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}