/* base.css — reset, type, media defaults, focus ring. Tokens only. */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: var(--header-h);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--ink-2);
  background: var(--surface-page);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: var(--weight-regular);
  color: var(--ink);
  line-height: var(--leading-snug);
  text-wrap: balance;
}
h1 { font-family: var(--font-display); font-size: var(--text-display); line-height: var(--leading-tight); letter-spacing: var(--tracking-display); }
h2 { font-size: var(--text-h2); line-height: var(--leading-tight); letter-spacing: var(--tracking-display); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); font-weight: var(--weight-medium); color: var(--ink); line-height: var(--leading-snug); }

p { max-width: var(--measure); }

img, svg, video, picture { display: block; max-width: 100%; }
img { height: auto; }
svg { flex-shrink: 0; }

a { color: var(--link); text-underline-offset: 0.2em; }
a:hover { color: var(--link-hover); }

button { font: inherit; color: inherit; cursor: pointer; }

:focus-visible {
  outline: var(--focus-w) solid var(--focus);
  outline-offset: var(--focus-offset);
  border-radius: var(--radius-sm);
}
.on-dark :focus-visible { outline-color: var(--focus-on-dark); }

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

.skip-link {
  position: absolute;
  left: var(--s-2);
  top: var(--s-2);
  z-index: var(--z-skip);
  padding: var(--s-1) var(--s-2);
  min-height: var(--tap);
  display: inline-flex;
  align-items: center;
  background: var(--surface-dark);
  color: var(--text-on-dark);
  border-radius: var(--radius);
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; color: var(--text-on-dark); }

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