/**
 * Sameday Foundation — Design System Tokens
 * Version: 1.0 (September 2026)
 * Principle: Global Standard. Ugandan Soul.
 */

:root {
  /* Brand Color Palette */
  --color-blue: #0458A6;          /* Primary institutional blue */
  --color-blue-dark: #033B70;     /* Deep navy for hover & contrast */
  --color-blue-tint: #EDF4FA;     /* Subtle cool tint for callouts & badges */
  --color-orange: #FD6308;        /* Hope, vital energy, primary CTA accent */
  --color-orange-hover: #E05302;  /* Darker vermillion for button hover */
  --color-orange-tint: #FFF4ED;   /* Soft warm tint for notices */

  /* Neutral & Functional Colors */
  --color-charcoal: #17191D;      /* Primary text & dark utility surfaces */
  --color-charcoal-light: #2D3139;/* Lead paragraphs & secondary dark text */
  --color-slate: #555C68;         /* Subtext, metadata & captions */
  --color-slate-light: #7E8794;   /* Low-emphasis captions & dividers */
  --color-border: #E2E5EA;        /* Crisp 1px structural dividing lines */
  --color-border-dark: rgba(255, 255, 255, 0.12); /* Lines on dark backgrounds */
  
  /* Canvas Backgrounds */
  --color-bg-white: #FFFFFF;      /* Pure clinical white */
  --color-bg-light: #F7F8FA;      /* Light neutral off-white canvas */
  --color-bg-charcoal: #17191D;   /* Institutional footer & utility bar */

  /* Typography Families */
  --font-family-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Professional Readable Typography Scale */
  --font-size-hero-h1: clamp(2.25rem, 3.8vw, 3.25rem); /* 36px - 52px */
  --font-size-h2: clamp(1.65rem, 2.5vw, 2.25rem);      /* 26.4px - 36px */
  --font-size-h3: clamp(1.25rem, 1.6vw, 1.5rem);       /* 20px - 24px */
  --font-size-h4: 1.1875rem;                            /* 19px */
  --font-size-lead: clamp(1.0625rem, 1.25vw, 1.25rem);  /* 17px - 20px */
  --font-size-body: 1rem;                               /* 16px - Standard Universal Body */
  --font-size-body-sm: 0.9375rem;                       /* 15px - Cards & Secondary */
  --font-size-caption: 0.875rem;                        /* 14px - Meta & Captions */
  --font-size-kicker: 0.8125rem;                        /* 13px - Kicker Badges */

  /* Line Heights */
  --lh-tight: 1.15;
  --lh-heading: 1.25;
  --lh-snug: 1.35;
  --lh-normal: 1.6;

  /* Spacing Tokens */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 96px;

  /* Layout & Grid Dimensions */
  --container-max-width: 1240px;
  --container-padding: 32px;
  --header-height: 84px;
  --header-height-desktop: 84px;
  --header-height-mobile: 70px;

  /* Architectural Radii (Clean, disciplined, non-bubble) */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;

  /* Shadows (Subtle, restrained elevation) */
  --shadow-subtle: 0 2px 8px rgba(23, 25, 29, 0.04);
  --shadow-hover: 0 4px 16px rgba(4, 88, 166, 0.08);
  --shadow-header: 0 2px 12px rgba(23, 25, 29, 0.05);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 220ms ease-out;
  --transition-slow: 350ms ease-out;
}