/* ============================================================
   NORDWRIGHT — Design Tokens
   Brand-aligned CSS custom properties.
   ============================================================ */

:root {
  /* ── Colour: Primary ── */
  --color-arctic-navy: #0A1628;
  --color-luminous-teal: #00E5C7;
  --color-nordic-amber: #FFB347;
  --color-ash-white: #F0EDEA;

  /* ── Colour: Neutrals ── */
  --color-navy-800: #111D35;
  --color-navy-700: #1A2A4A;
  --color-navy-600: #2A3F66;
  --color-gray-400: #9CA3AF;
  --color-gray-300: #D1D5DB;
  --color-white: #FFFFFF;

  /* ── Colour: Division Accents ── */
  --color-studio: #FFB347;
  --color-systems: #4A90D9;
  --color-intelligence: #8B5CF6;
  --color-consulting: #F97316;

  /* ── Colour: Semantic ── */
  --color-success: #22C55E;
  --color-warning: #EAB308;
  --color-error: #EF4444;
  --color-info: #3B82F6;

  /* ── Colour: Surfaces ── */
  --surface-base: var(--color-arctic-navy);
  --surface-elevated: var(--color-navy-800);
  --surface-card: var(--color-navy-700);
  --border-subtle: var(--color-navy-600);
  --text-primary: var(--color-ash-white);
  --text-secondary: var(--color-gray-400);
  --text-muted: var(--color-gray-300);
  --accent: var(--color-luminous-teal);
  --accent-warm: var(--color-nordic-amber);

  /* ── Typography: Families ── */
  --font-display: 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* ── Typography: Sizes (fluid) ── */
  --text-display: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  --text-h1: clamp(2rem, 3.5vw + 0.5rem, 3rem);
  --text-h2: clamp(1.625rem, 2.5vw + 0.5rem, 2.25rem);
  --text-h3: clamp(1.375rem, 2vw + 0.25rem, 1.75rem);
  --text-h4: clamp(1.125rem, 1.5vw + 0.25rem, 1.375rem);
  --text-body-lg: clamp(1rem, 1.25vw + 0.125rem, 1.125rem);
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-caption: 0.75rem;
  --text-label: 0.8125rem;

  /* ── Typography: Weights ── */
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* ── Typography: Line Heights ── */
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.6;

  /* ── Spacing (4px base unit) ── */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ── Layout ── */
  --container-max: 1280px;
  --container-narrow: 800px;
  --container-wide: 1440px;
  --gutter: var(--space-6);

  /* ── Border Radius ── */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow-teal: 0 0 30px rgba(0, 229, 199, 0.15);
  --shadow-glow-amber: 0 0 30px rgba(255, 179, 71, 0.12);

  /* ── Transitions ── */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-micro: 150ms;
  --duration-fast: 200ms;
  --duration-standard: 350ms;
  --duration-emphasis: 600ms;

  /* ── Z-Index Scale ── */
  --z-base: 0;
  --z-above: 10;
  --z-overlay: 100;
  --z-nav: 200;
  --z-modal: 300;
}