/* ========================================
   ExpertAuto-BG — Design Tokens
   ======================================== */

:root {
  /* ---- Color Palette ---- */
  /* Dark sections (header, hero, footer) — now light */
  --color-dark-primary: #ffffff;
  --color-dark-secondary: #f0f2f5;
  --color-dark-surface: #e8ecf1;

  /* Light sections (body content) */
  --color-light-bg: #f8f9fa;
  --color-light-surface: #ffffff;
  --color-light-muted: #e9ecef;

  /* Accent */
  --color-accent-purple: #7243f2;
  --color-accent-purple-light: #ae8fff;
  --color-accent-purple-glow: rgba(114, 67, 242, 0.15);
  --color-accent-gold: #1d1729;
  --color-accent-gold-hover: #111111;
  --color-accent-gold-light: rgba(29, 23, 41, 0.08);

  /* Text */
  --color-text-dark: #1d1729;
  --color-text-muted: #6c757d;
  --color-text-light: #1d1729;
  --color-text-light-muted: #6c757d;

  /* Semantic */
  --color-success: #28a745;
  --color-error: #dc3545;
  --color-warning: #ffc107;
  --color-info: #17a2b8;

  /* ---- Typography ---- */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Montserrat', var(--font-primary);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.25rem;
  --fs-lg: 1.375rem;
  --fs-xl: clamp(1.25rem, 2.5vw, 1.75rem);
  --fs-2xl: clamp(1.5rem, 3vw, 2.25rem);
  --fs-3xl: clamp(1.75rem, 3.5vw, 2.75rem);
  --fs-4xl: clamp(2rem, 4vw, 3.25rem);
  --fs-hero: clamp(2.5rem, 5.5vw, 4rem);

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.2;
  --lh-normal: 1.6;
  --lh-relaxed: 1.8;

  /* ---- Spacing ---- */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-section: 5rem;

  /* ---- Layout ---- */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;
  --gutter: 1.5rem;

  /* ---- Borders & Radii ---- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --border-light: 1px solid var(--color-light-muted);
  --border-dark: 1px solid rgba(255, 255, 255, 0.1);

  /* ---- Shadows ---- */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14), 0 6px 16px rgba(0, 0, 0, 0.06);
  --shadow-glow-purple: 0 0 20px var(--color-accent-purple-glow);
  --shadow-glow-gold: 0 0 20px rgba(29, 23, 41, 0.15);

  /* ---- Transitions ---- */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* ---- Z-Index ---- */
  --z-header: 1000;
  --z-dropdown: 1010;
  --z-modal-backdrop: 1020;
  --z-modal: 1030;
  --z-toast: 1040;
  --z-sticky-cta: 999;

  /* ---- Footer ---- */
  --color-footer-bg: #1d1729;
  --color-footer-text: #e0dce8;
  --color-footer-muted: #b0a8c0;
}