/* ==========================================================================
   TOKENS: Saudi Corporate Editorial Palette, Typography & Spatial Scale
   ========================================================================== */

:root {
  /* Typography */
  --font-sans: "IBM Plex Sans Arabic", "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;

  --text-hero: clamp(2.25rem, 4.1vw, 3.5rem);
  --text-section: clamp(1.6875rem, 2.6vw, 2.25rem);
  --text-subheading: clamp(1.25rem, 1.75vw, 1.5rem);
  --text-card-title: 1.125rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-micro: 0.8125rem;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --leading-hero: 1.14;
  --leading-hero-ar: 1.26;
  --leading-heading: 1.3;
  --leading-body: 1.68;
  --leading-body-ar: 1.84;

  --tracking-hero: -0.02em;
  --tracking-tight: -0.015em;
  --tracking-normal: 0;

  /* 8px Base Spacing Scale */
  --space-1: 0.5rem;   /* 8px */
  --space-2: 1rem;     /* 16px */
  --space-3: 1.5rem;   /* 24px */
  --space-4: 2rem;     /* 32px */
  --space-5: 2.5rem;   /* 40px */
  --space-6: 3rem;     /* 48px */
  --space-8: 4rem;     /* 64px */
  --space-10: 5rem;    /* 80px */
  --space-12: 5.5rem;  /* 88px */

  /* Layout & Grid */
  --container-max: 75rem; /* 1200px */
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);
  --grid-gap: var(--space-3);
  --header-height: 4.5rem;     /* 72px */
  --touch-min: 3rem;           /* 48px */
  --mobile-bar-height: 3.5rem; /* 56px */

  /* Crisp Architectural Radii */
  --radius-sm: 0.375rem;  /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.625rem;  /* 10px */

  /* Z-index Scale */
  --z-base: 1;
  --z-sticky: 20;
  --z-header: 40;
  --z-progress: 50;
  --z-floating: 60;
  --z-menu: 70;
  --z-modal: 80;
  --z-splash: 90;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 180ms;
  --duration-reveal: 500ms;
  --stagger-step: 50ms;

  /* 60-30-10 Saudi Corporate Editorial Palette (Light Only) */
  --color-bg: #F8F7F4;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1EFE9;
  --color-navy: #0D1B2A;
  --color-text: #0D1B2A;
  --color-text-muted: #4E5A68;
  --color-accent: #1B365D;
  --color-accent-hover: #132744;
  --color-accent-text: #1B365D;
  --color-brass: #8C6D3F;
  --color-brass-line: rgba(140, 109, 63, 0.38);
  --color-accent-contrast: #FFFFFF;
  --color-accent-soft: rgba(13, 27, 42, 0.045);
  --color-border: rgba(13, 27, 42, 0.095);
  --color-border-strong: rgba(13, 27, 42, 0.22);
  --color-header-bg: rgba(248, 247, 244, 0.92);
  --color-header-solid: rgba(248, 247, 244, 0.98);
  --color-backdrop: rgba(13, 27, 42, 0.48);

  /* Semantic Status Colors */
  --color-success: #166534;
  --color-success-soft: rgba(22, 101, 52, 0.08);
  --color-danger: #991B1B;
  --color-danger-soft: rgba(153, 27, 27, 0.08);

  /* Measured Single-Level Elevation */
  --shadow-card: 0 1px 2px rgba(13, 27, 42, 0.04), 0 10px 24px -16px rgba(13, 27, 42, 0.09);
  --shadow-modal: 0 24px 56px -16px rgba(13, 27, 42, 0.24);
}

/* Language-Specific Typographic Adjustments */
html[lang="ar"] {
  --tracking-hero: 0;
  --tracking-tight: 0;
  --leading-body: var(--leading-body-ar);
  --leading-hero: var(--leading-hero-ar);
}

html[lang="en"] {
  --font-sans: "Inter", "IBM Plex Sans Arabic", -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

/* Compact Viewport Adjustments */
@media (max-width: 479px) {
  :root {
    --text-hero: clamp(1.9375rem, 8.2vw, 2.375rem);
    --text-section: clamp(1.4375rem, 5.8vw, 1.8125rem);
  }
}