/* ==========================================================================
   Design Tokens — Colors, Typography, Spacing
   ========================================================================== */

:root {
  /* Primary — Deep blue for trust and authority */
  --color-primary: #1a5276;
  --color-primary-light: #2980b9;
  --color-primary-dark: #0e2f44;

  /* Accent — Warm orange for CTAs */
  --color-accent: #e67e22;
  --color-accent-hover: #d35400;

  /* Neutrals */
  --color-text: #2c3e50;
  --color-text-light: #5d6d7e;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fa;
  --color-bg-dark: #1a2332;
  --color-border: #dee2e6;
  --color-white: #ffffff;

  /* Feedback */
  --color-success: #27ae60;
  --color-error: #e74c3c;

  /* Typography */
  --font-heading: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 18px;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --border-radius: 8px;
  --border-radius-sm: 4px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}