/* ============================================
   VSS Logistics — Design Tokens
   All colors, fonts, spacing, and sizes
   ============================================ */

:root {
  /* ---- Brand Colors ---- */
  --color-primary: #0047AB;
  --color-primary-dark: #003580;
  --color-primary-light: #0050AB;
  --color-accent: #E11D07;
  --color-accent-hover: #c9190a;

  /* ---- Neutrals ---- */
  --color-white: #FFFFFF;
  --color-off-white: #F9F9F9;
  --color-light-gray: #F5F5F5;
  --color-medium-gray: #E0E0E0;
  --color-dark-gray: #666666;
  --color-text: #333333;
  --color-text-light: #555555;
  --color-dark: #1B1A1A;
  --color-darker: #161616;
  --color-border: #292929;

  /* ---- Semantic Colors ---- */
  --color-success: #28a745;
  --color-success-rgb: 40, 167, 69;
  --color-error: #dc3545;
  --color-error-rgb: 220, 53, 69;

  /* ---- Alpha Variants ---- */
  --color-primary-rgb: 0, 71, 171;
  --color-dark-rgb: 27, 26, 26;
  --color-black-rgb: 0, 0, 0;

  /* ---- Typography ---- */
  --font-heading: 'Rubik', sans-serif;
  --font-body: 'Roboto', sans-serif;

  --fs-xs: 0.75rem;    /* 12px */
  --fs-sm: 0.875rem;   /* 14px */
  --fs-base: 1rem;     /* 16px */
  --fs-md: 1.125rem;   /* 18px */
  --fs-lg: 1.25rem;    /* 20px */
  --fs-xl: 1.5rem;     /* 24px */
  --fs-2xl: 2rem;      /* 32px */
  --fs-3xl: 2.5rem;    /* 40px */
  --fs-4xl: 3rem;      /* 48px */
  --fs-hero: clamp(2.5rem, 5vw, 4.5rem);

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

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

  /* ---- Spacing ---- */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-section: clamp(2.5rem, 5vw, 4.5rem);

  /* ---- Layout ---- */
  --max-width: 1200px;
  --max-width-narrow: 900px;
  --max-width-wide: 1400px;
  --container-padding: 1.5rem;

  /* ---- Borders & Shadows ---- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 50%;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);

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

  /* ---- Z-indexes ---- */
  --z-dropdown: 100;
  --z-header: 1000;
  --z-overlay: 1500;
  --z-modal: 2000;
}