/* =====================================================================
   base.css  —  resets, base element styling, accessibility defaults
   Loaded after tokens.css.
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; line-height: 1.08; margin: 0; }
p { margin: 0 0 var(--space-3); }

:focus-visible { outline: 3px solid var(--color-ink); outline-offset: 2px; border-radius: 4px; }

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

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--accent); color: var(--on-accent);
  padding: 10px 16px; border-radius: var(--radius-pill);
  font-weight: 700; text-decoration: none; transition: top .18s ease;
}
.skip-link:focus { top: 12px; }

.todo { color: var(--color-red); font-weight: 700; }