/* ==========================================================================
   Variables — Edge Pharma
   Single source of truth for design tokens. Every other CSS file reads
   from these custom properties instead of hard-coding values.
   ========================================================================== */

:root {
  /* ---------------------------------------------------------------------
     Colors
     --------------------------------------------------------------------- */
  --color-primary: #0f5ea8;
  --color-primary-dark: #0a3f74;
  --color-secondary: #17b8a6;

  --color-surface: #f5f8fb;
  --color-background: #ffffff;
  --color-white: #ffffff;
  --color-border: #e2e8ef;

  --color-text-primary: #101820;
  --color-text-secondary: #5b6672;

  --color-success: #1f9d55;
  --color-warning: #e2a03f;

  /* ---------------------------------------------------------------------
     Typography — Plus Jakarta Sans
     --------------------------------------------------------------------- */
  --font-family-base: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Fluid, mobile-first type scale (clamp scales up as viewport grows) */
  --fs-display: clamp(2.75rem, 1.9rem + 4.2vw, 5rem);     /* 44–80px */
  --fs-h1: clamp(2.25rem, 1.7rem + 2.6vw, 3.5rem);        /* 36–56px */
  --fs-h2: clamp(2rem, 1.6rem + 1.9vw, 2.75rem);          /* 32–44px */
  --fs-h3: clamp(1.75rem, 1.5rem + 1.2vw, 2.25rem);       /* 28–36px */
  --fs-h4: clamp(1.5rem, 1.34rem + 0.75vw, 1.875rem);     /* 24–30px */
  --fs-body-lg: clamp(1.125rem, 1.08rem + 0.25vw, 1.25rem); /* 18–20px */
  --fs-body: 1rem;                                        /* 16px */
  --fs-body-sm: 0.875rem;                                 /* 14px */
  --fs-caption: 0.75rem;                                  /* 12px */

  --lh-tight: 1.2;
  --lh-snug: 1.35;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  /* ---------------------------------------------------------------------
     Spacing — 8px system
     --------------------------------------------------------------------- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;
  --space-10: 56px;
  --space-11: 64px;
  --space-12: 80px;
  --space-13: 96px;
  --space-14: 120px;
  --space-15: 160px;

  /* ---------------------------------------------------------------------
     Border Radius
     --------------------------------------------------------------------- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 999px;

  /* ---------------------------------------------------------------------
     Shadows
     --------------------------------------------------------------------- */
  --shadow-sm: 0 1px 2px rgba(16, 24, 32, 0.06), 0 1px 3px rgba(16, 24, 32, 0.08);
  --shadow-md: 0 4px 12px rgba(16, 24, 32, 0.08), 0 2px 6px rgba(16, 24, 32, 0.06);
  --shadow-lg: 0 20px 40px rgba(16, 24, 32, 0.12), 0 8px 16px rgba(16, 24, 32, 0.08);
  --shadow-xl: 0 32px 64px rgba(16, 24, 32, 0.16), 0 12px 24px rgba(16, 24, 32, 0.1);

  /* ---------------------------------------------------------------------
     Container
     --------------------------------------------------------------------- */
  --container-max-width: 1320px;
  --container-padding: var(--space-4); /* scales up in responsive.css */

  /* ---------------------------------------------------------------------
     Breakpoints (reference only — CSS variables can't be used inside
     @media queries, so these values are hard-coded again in responsive.css)

       sm   576px
       md   768px
       lg   992px
       xl   1200px
       xxl  1400px
     --------------------------------------------------------------------- */

  /* ---------------------------------------------------------------------
     Motion
     --------------------------------------------------------------------- */
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 0.2s;
  --duration-base: 0.35s;
  --duration-slow: 0.6s;

  /* ---------------------------------------------------------------------
     Z-index scale
     --------------------------------------------------------------------- */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-header: 300;
  --z-overlay: 400;
  --z-modal: 500;
  --z-toast: 600;
}