/*
 * DXP Brand Guidelines - Universal Style Sheet
 * Based on DXP Visual Identity Guidelines (Updated May 2024)
 *
 * Usage: Import this stylesheet into your application
 * @import 'dxp-brand-stylesheet.css';
 *
 * Or link in HTML:
 * <link rel="stylesheet" href="dxp-brand-stylesheet.css">
 */

/* ============================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================ */

:root {
  /* ----------------------------------------
     PRIMARY COLORS
     ---------------------------------------- */
  --dxp-blue-dark: #005581;        /* Pantone 302 - Primary brand blue */
  --dxp-blue-light: #00A5DF;       /* Pantone 2202 - Accent blue */
  --dxp-silver: #A7A9AC;           /* Pantone 877 - Metallic silver */
  --dxp-black: #000000;            /* Pure black */
  --dxp-white: #FFFFFF;            /* Pure white */

  /* ----------------------------------------
     SECONDARY COLORS
     Use sparingly for charts, infographics
     ---------------------------------------- */
  --dxp-blue-muted: #5D8CAA;       /* Pantone 114-12 */
  --dxp-cyan: #78D5E1;             /* Pantone 2225 */
  --dxp-tan: #AB9278;              /* Pantone 4269 */
  --dxp-green: #44693D;            /* Pantone 7743 */
  --dxp-yellow: #F3D03E;           /* Pantone 129 */

  /* ----------------------------------------
     SEMANTIC COLORS
     ---------------------------------------- */
  --color-primary: var(--dxp-blue-dark);
  --color-secondary: var(--dxp-blue-light);
  --color-accent: var(--dxp-cyan);
  --color-neutral: var(--dxp-silver);
  --color-success: var(--dxp-green);
  --color-warning: var(--dxp-yellow);
  --color-text: var(--dxp-black);
  --color-text-inverse: var(--dxp-white);
  --color-background: var(--dxp-white);
  --color-background-alt: #F5F5F5;

  /* ----------------------------------------
     TYPOGRAPHY
     Primary: Univers LT Pro
     Fallbacks: Helvetica, Arial, sans-serif
     ---------------------------------------- */
  --font-family-primary: 'Univers LT Pro', 'Univers', Helvetica, Arial, sans-serif;
  --font-family-condensed: 'Univers LT Pro 57 Condensed', 'Univers Condensed', Helvetica, Arial, sans-serif;
  --font-family-fallback: Helvetica, Arial, sans-serif;

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  /* Font Sizes - Using modular scale */
  --font-size-xs: 0.75rem;         /* 12px */
  --font-size-sm: 0.875rem;        /* 14px */
  --font-size-base: 1rem;          /* 16px */
  --font-size-md: 1.125rem;        /* 18px */
  --font-size-lg: 1.25rem;         /* 20px */
  --font-size-xl: 1.5rem;          /* 24px */
  --font-size-2xl: 1.875rem;       /* 30px */
  --font-size-3xl: 2.25rem;        /* 36px */
  --font-size-4xl: 3rem;           /* 48px */
  --font-size-5xl: 3.75rem;        /* 60px */

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;

  /* Letter Spacing */
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;

  /* ----------------------------------------
     SPACING
     ---------------------------------------- */
  --spacing-0: 0;
  --spacing-1: 0.25rem;            /* 4px */
  --spacing-2: 0.5rem;             /* 8px */
  --spacing-3: 0.75rem;            /* 12px */
  --spacing-4: 1rem;               /* 16px */
  --spacing-5: 1.25rem;            /* 20px */
  --spacing-6: 1.5rem;             /* 24px */
  --spacing-8: 2rem;               /* 32px */
  --spacing-10: 2.5rem;            /* 40px */
  --spacing-12: 3rem;              /* 48px */
  --spacing-16: 4rem;              /* 64px */
  --spacing-20: 5rem;              /* 80px */

  /* ----------------------------------------
     BORDERS & RADIUS
     ---------------------------------------- */
  --border-width: 1px;
  --border-width-2: 2px;
  --border-width-4: 4px;
  --border-color: var(--dxp-silver);
  --border-radius-sm: 0.125rem;    /* 2px */
  --border-radius: 0.25rem;        /* 4px */
  --border-radius-md: 0.375rem;    /* 6px */
  --border-radius-lg: 0.5rem;      /* 8px */
  --border-radius-xl: 1rem;        /* 16px */
  --border-radius-full: 9999px;

  /* ----------------------------------------
     SHADOWS
     ---------------------------------------- */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* ----------------------------------------
     TRANSITIONS
     ---------------------------------------- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* ----------------------------------------
     Z-INDEX SCALE
     ---------------------------------------- */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;

  /* ----------------------------------------
     BREAKPOINTS (for reference in JS)
     ---------------------------------------- */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}