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

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

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-heading);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--color-brand-tint); }

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
  text-wrap: balance;
}
h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }

p { margin: 0 0 var(--space-4); text-wrap: pretty; }

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

a { color: var(--color-brand-strong); text-underline-offset: 0.2em; }

a, button, input[type="submit"], label { touch-action: manipulation; }

:focus-visible {
  outline: 3px solid var(--color-brand-strong);
  outline-offset: 2px;
}

.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: -9999px;
  top: 0;
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  border-radius: 0 0 var(--radius-control) 0;
  background: var(--color-heading);
  color: var(--color-background);
}
.skip-link:focus { left: 0; top: 0; }

.prose { white-space: pre-line; color: var(--color-muted); }

@keyframes rise-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

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