/* Design Tokens (single source of truth) */
:root {
  /* Brand */
  --yellow: #FDB913;
  --blue: #145FBA;
  --dark-gray: #181A20;
  --white: #FFFFFF;

  /* Muted */
  --muted: #E0E0E0;
  --muted-2: #FAFAFA;
  --muted-3: #F5F5F5;
  --muted-4: #EEEEEE;

  /* Type */
  --font-sans: 'Open Sans', Arial, sans-serif;
  --font-heading: 'Montserrat', sans-serif;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;

  /* Elevation */
  --shadow-1: 0 6px 18px rgba(12, 12, 13, 0.08);
  --shadow-2: 0 12px 30px rgba(12, 12, 13, 0.12);

  /* Type scale */
  --h1: clamp(2.1rem, 5.5vw, 3.6rem);
  --h2: clamp(1.6rem, 4.2vw, 2.2rem);
  --lead: 1.125rem;
}

/* Utility: focus-visible styling */
:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.22);
  outline-offset: 3px;
}

/* Accessibility helpers */
.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;
}