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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-height) + var(--space-4));
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.6;
  font-variant-numeric: lining-nums;
  overflow-wrap: break-word;
}

main {
  flex: 1 0 auto;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  text-wrap: balance;
}

h1,
h2 {
  letter-spacing: -0.015em;
}

h1 {
  font-size: var(--text-2xl);
}

h2 {
  font-size: var(--text-xl);
}

h3,
h4 {
  font-size: var(--text-lg);
  line-height: 1.15;
}

p,
ul,
ol,
dl,
figure,
fieldset {
  margin: 0;
}

p {
  max-width: 68ch;
  text-wrap: pretty;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 2px;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

fieldset {
  padding: 0;
  border: 0;
  min-width: 0;
}

legend {
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

html:has(dialog[open]) {
  overflow: hidden;
  scrollbar-gutter: stable;
}

.on-stage :focus-visible,
.prototype-ribbon :focus-visible,
.site-header :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-accent-light);
}

[hidden] {
  display: none !important;
}

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

.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -4rem;
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  color: var(--color-ink);
  font-weight: 700;
}

.skip-link:focus {
  top: var(--space-3);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}