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

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

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--brand-charcoal);
  background: var(--surface-card);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, p, figure { margin: 0; }

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brand-vibrant-teal);
  outline-offset: 2px;
  border-radius: 4px;
}

button {
  font: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: inherit;
}

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

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

.mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-feature-settings: 'tnum';
}

.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;
}

.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter-desktop);
}

@media (max-width: 768px) {
  .container { padding-inline: var(--gutter-mobile); }
}