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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul, ol, dl, dd, figure {
  margin: 0;
}

h1, h2 {
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.12;
  text-wrap: balance;
}

h3 {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

p {
  text-wrap: pretty;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--signal-text);
}

a,
button {
  transition: color 0.15s, background-color 0.15s, border-color 0.15s;
}

:focus-visible {
  outline: 2px solid var(--signal-text);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--signal);
  color: var(--on-signal);
}

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

.icon {
  display: inline-block;
  flex: none;
  vertical-align: -0.2em;
  transition: transform 0.15s;
}

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
}

/* The skip link moves focus here; the outline would wrap the whole page. */
main:focus {
  outline: none;
}

.skip-link:focus {
  top: 1rem;
  color: var(--paper);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}