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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--scroll-offset);
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

::selection {
  background: var(--color-accent-subtle);
  color: var(--color-text);
}

.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;
}

.sr-only:focus {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 200;
  width: auto;
  height: auto;
  padding: var(--space-3) var(--space-4);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-text);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  box-shadow: var(--focus-ring);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
  letter-spacing: -0.02em;
}

.muted {
  color: var(--color-text-muted);
}

.text-accent {
  color: var(--color-accent);
}