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

html,
body {
  height: 100%;
  overflow: hidden;
}

html {
  font-size: 16px;
  line-height: var(--line-body);
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--line-body);
  background: var(--bg);
  color: var(--txt);
  display: flex;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: var(--line-heading);
}

p {
  line-height: var(--line-body);
}

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

:focus-visible {
  outline: var(--outline-width) solid var(--focus-ring);
  outline-offset: var(--outline-offset-tight);
}

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

.skip-link {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 200;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--surface-solid);
  color: var(--text-strong);
  box-shadow: var(--card-shadow);
  text-decoration: none;
  font-weight: 800;
  transform: translateY(-140%);
  transition: transform var(--anim-ui) var(--ease-smooth);
}

.skip-link:focus {
  transform: translateY(0);
  outline: var(--outline-width) solid var(--focus-ring);
  outline-offset: var(--outline-offset-tight);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}