/* ==========================================================================
   NAFA TEKNOLOGI - DESIGN TOKENS & SYSTEM VARIABLES
   Derived from DESIGN.md (Precision Engineering Spec)
   ========================================================================== */

:root {
  /* Brand Primary & Accents (Deep Emerald) */
  --color-primary: #047857;
  --color-primary-hover: #059669;
  --color-primary-dark: #065f46;
  --color-primary-container: #005d42;
  --color-on-primary: #ffffff;
  --color-primary-light: #ecfdf5;
  --color-primary-border: #a7f3d0;
  --color-primary-glow: rgba(4, 120, 87, 0.2);

  /* Surface & Canvas Layers */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-dim: #f1f5f9;
  --color-surface-card: #ffffff;
  --color-surface-canvas: #fafcff;
  --color-surface-alt: #fafcff;

  /* Typography / Slate Neutrals */
  --color-text-headline: #0f172a; /* Slate 900 */
  --color-text-body: #475569;     /* Slate 600 */
  --color-text-muted: #64748b;    /* Slate 500 */
  --color-text-light: #94a3b8;    /* Slate 400 */

  /* Structural Outlines & Borders */
  --color-border: #e2e8f0;        /* Slate 200 */
  --color-border-subtle: #f1f5f9; /* Slate 100 */
  --color-border-focus: #047857;

  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Typography Fonts */
  --font-display: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-headline: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-code: 'JetBrains Mono', 'SF Mono', Consolas, Monaco, monospace;
  --font-serif: 'Georgia', 'Times New Roman', serif;

  /* Radii */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows (Architectural & Subtle) */
  --shadow-2xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 14px 28px -4px rgba(0, 0, 0, 0.06), 0 4px 10px -2px rgba(0, 0, 0, 0.03);
  --shadow-node: 0 8px 20px -4px rgba(0, 0, 0, 0.06), 0 2px 6px -1px rgba(0, 0, 0, 0.03), inset 0 1px 0 rgba(255, 255, 255, 1);
  --shadow-node-hover: 0 12px 28px -4px rgba(4, 120, 87, 0.12), 0 4px 8px -2px rgba(0, 0, 0, 0.04);
  --shadow-footer: 0 20px 50px -12px rgba(0, 0, 0, 0.08);

  /* Layout Spacing */
  --header-height: 80px;
  --max-width: 1680px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}