@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@500;600;700&display=swap');

/* OpenDyslexic ships with the project. `local()` comes first so a visitor who already has
   the font installed downloads nothing, and the CDN copy is a fallback for deploys that
   forget to copy fonts/ (the old placeholder file made this feature silently do nothing). */
@font-face {
  font-family: 'OpenDyslexic-Regular';
  src: local('OpenDyslexic'),
       url('../fonts/OpenDyslexic-Regular.woff2') format('woff2'),
       url('https://cdn.jsdelivr.net/gh/antijingoist/opendyslexic@master/compiled/OpenDyslexic-Regular.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

code, pre, .mono {
  font-family: var(--font-mono);
}

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

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

ul, ol {
  list-style: none;
}

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

/* Enhanced Keyboard Navigation Focus-Visible Helper */
:focus-visible {
  outline: 3px solid var(--accent-cyan) !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 15px rgba(0, 217, 245, 0.5) !important;
}

body.accessibility-keyboard-helper *:focus {
  outline: 4px dashed #ffbd2e !important;
  outline-offset: 4px !important;
  background-color: rgba(255, 189, 46, 0.15) !important;
}

/* Colour-blindness preview.
   The filter is set on the page's top-level content elements instead of on <html>:
   filtering the root would make it a containing block and break every `position: fixed`
   element, and it would also filter the AccessEase panel itself.
   AccessEase's own UI carries .ae-ui and is never marked, so it stays unfiltered. */
[data-accessease-filtered] {
  filter: var(--accessease-color-filter);
}