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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  position: relative;
  overflow-x: clip;
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--c-text);
  font: 400 var(--fs-body) / 1.7 var(--font-sans);
}

h1, h2, h3, p, ul {
  margin: 0;
}

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

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

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--c-text);
  outline-offset: 4px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  padding: 0.6rem 1rem;
  background: var(--c-text);
  color: var(--c-bg-bottom);
  border-radius: var(--radius-s);
  z-index: 10;
}

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

.btn {
  display: inline-block;
  min-height: 44px;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-m);
  background: var(--c-accent);
  color: var(--c-on-accent);
  font-size: var(--fs-nav);
  text-decoration: none;
}

.btn:hover {
  filter: brightness(1.08);
}

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