/* ==========================================================================
   Quality Mechanical Services — Design Tokens (tokens.css)
   ========================================================================== */

:root {
  /* Brand Core Colors */
  --color-navy: #002366;
  --color-navy-dark: #001845;
  --color-navy-light: #0d3880;
  --color-sky: #00BFFF;
  --color-sky-light: #69dfff;
  --color-sky-dark: #0099cc;

  /* Tier Color Palette (Value, Good, Better, Best) */
  --tier-value-amber: #b45309;
  --tier-value-bg: #fffbe6;
  --tier-value-border: #fde68a;
  --tier-value-text: #92400e;

  --tier-good-green: #059669;
  --tier-good-bg: #ecfdf5;
  --tier-good-border: #a7f3d0;
  --tier-good-text: #047857;

  --tier-better-blue: #0d7ed9;
  --tier-better-bg: #eff6ff;
  --tier-better-border: #bfdbfe;
  --tier-better-text: #1d4ed8;

  --tier-best-pink: #ff1493;
  --tier-best-bg: #fdf2f8;
  --tier-best-border: #fbcfe8;
  --tier-best-text: #be185d;

  /* Neutrals & Surfaces */
  --color-bg-body: #f8fafc;
  --color-bg-surface: #ffffff;
  --color-bg-subtle: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;

  /* Text Colors */
  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-light: #64748b;
  --color-text-inverse: #ffffff;

  /* Status Colors */
  --color-success: #059669;
  --color-success-bg: #d1fae5;
  --color-error: #dc2626;
  --color-error-bg: #fee2e2;
  --color-warning: #d97706;
  --color-warning-bg: #fef3c7;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;

  /* Spacing Scale */
  --space-xs: 0.25rem;  /* 4px */
  --space-sm: 0.5rem;   /* 8px */
  --space-md: 1rem;     /* 16px */
  --space-lg: 1.5rem;   /* 24px */
  --space-xl: 2rem;     /* 32px */
  --space-2xl: 3rem;    /* 48px */
  --space-3xl: 4rem;    /* 64px */

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Shadows & Elevation */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.12), 0 10px 10px -5px rgba(15, 23, 42, 0.04);

  /* Transitions & Focus */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --focus-ring: 0 0 0 3px rgba(0, 191, 255, 0.45);
}