/* base.css — reset · RTL · typography · a11y */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; font-weight: 800; letter-spacing: -0.01em; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; }

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

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--space-3); }
.narrow { max-width: 720px; }
.prose { color: var(--ink); font-size: 1.05rem; margin-bottom: var(--space-2); }
.muted { color: var(--muted); }
.link { color: var(--ink); border-bottom: 1px solid var(--accent); padding-bottom: 1px; transition: color .15s; }
.link:hover { color: var(--accent); }

.skip-link {
  position: absolute; inset-inline-start: -999px; top: 0; z-index: 100;
  background: var(--primary); color: #fff; padding: .6rem 1rem; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
.skip-link:focus { inset-inline-start: 0; }

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

[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}