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

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--fs-md);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: var(--fs-xl); }
h2 { font-size: var(--fs-lg); }
h3 { font-size: var(--fs-md); }
p { margin: 0 0 0.75em; }
a { color: var(--accent-ink); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
small, .text-sm { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }
.muted { color: var(--ink-3); }
.secondary { color: var(--ink-2); }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.center { text-align: center; }
hr { border: 0; border-top: 1px solid var(--line); margin: 16px 0; }

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

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute; left: 8px; top: -48px; z-index: 100;
  background: var(--surface); color: var(--ink);
  padding: 10px 14px; border-radius: var(--radius-sm); box-shadow: var(--shadow-pop);
}
.skip-link:focus { top: 8px; }

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

.bullets { margin: 0; padding-left: 18px; }
.mt-16 { margin-top: 16px; }
.mt-8 { margin-top: 8px; }
.m-0 { margin: 0; }
.text-lg { font-size: var(--fs-lg); }

/* An element marked hidden stays hidden whatever display its component sets. */
[hidden] { display: none !important; }