:root {
  --content-width: 1180px;
  --reading-width: 860px;
  --space-page: clamp(1rem, 4vw, 2rem);
  --radius-sm: 6px;
  --radius-md: 8px;
  --font-body: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
  --font-display: Impact, Haettenschweiler, "Arial Black", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-text);
  background: var(--color-background);
  font-family: var(--font-body);
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-heading);
  font-family: var(--font-display);
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
}

p,
li {
  line-height: 1.7;
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--color-on-accent);
  background: var(--color-accent);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - (2 * var(--space-page))), var(--content-width));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.reading-shell {
  width: min(calc(100% - (2 * var(--space-page))), var(--reading-width));
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}