/* ═══════════════════════════════════════════════════════════════════
   Ashford & Grey - Design Tokens
   ═══════════════════════════════════════════════════════════════════

   Purpose: Global design values that cascade through the entire system.
   All colours, spacing, shadows, and other visual constants live here.

   Rule: Components must NEVER define raw values.
   ═══════════════════════════════════════════════════════════════════ */

:root {
  /* ═══ Colour System ═══ */

  /* Primary Brand Colours */
  --color-navy-deep: #0A1F44;
  --color-navy-darker: #0B1C2D;
  --color-white: #FFFFFF;
  --color-white-soft: #FAFAFA;

  /* Accent Colours */
  --color-gold-muted: #C9A961;
  --color-gold-soft: #D4B97A;
  --color-gold-subtle: #E8DCC0;

  /* Semantic Colour Mappings */
  --bg-primary: var(--color-white);
  --bg-luxury: var(--color-navy-deep);
  --bg-luxury-alt: var(--color-navy-darker);
  --bg-subtle: var(--color-white-soft);

  --text-primary: #1A1A1A;
  --text-on-navy: var(--color-white);
  --text-muted: #6B6B6B;
  --text-subtle: #9B9B9B;

  --accent-primary: var(--color-gold-muted);
  --accent-hover: var(--color-gold-soft);
  --accent-subtle: var(--color-gold-subtle);

  /* ═══ Spacing System ═══ */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 1rem;      /* 16px */
  --space-md: 1.5rem;    /* 24px */
  --space-lg: 2rem;      /* 32px */
  --space-xl: 3rem;      /* 48px */
  --space-2xl: 4rem;     /* 64px */
  --space-3xl: 6rem;     /* 96px */
  --space-4xl: 8rem;     /* 128px */

  /* ═══ Typography Scale ═══ */
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 2rem;       /* 32px */
  --font-size-4xl: 2.5rem;     /* 40px */
  --font-size-5xl: 3rem;       /* 48px */
  --font-size-6xl: 4rem;       /* 64px */

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.8;

  /* Letter Spacing */
  --letter-spacing-tight: -0.01em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;

  /* ═══ Shadows ═══ */
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);

  /* Shadows on Navy Background */
  --shadow-on-navy: 0 4px 24px rgba(0, 0, 0, 0.4);

  /* ═══ Border Radius ═══ */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 1rem;      /* 16px */
  --radius-xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* ═══ Transitions ═══ */
  --transition-fast: 200ms ease-out;
  --transition-base: 300ms ease-out;
  --transition-slow: 400ms ease-out;
  --transition-slower: 600ms ease-out;

  /* Custom Easing */
  --ease-luxury: cubic-bezier(0.4, 0, 0.2, 1);

  /* ═══ Z-Index Scale ═══ */
  --z-base: 1;
  --z-raised: 10;
  --z-modal-backdrop: 100;
  --z-modal: 101;
  --z-notification: 200;

  /* ═══ Container Widths ═══ */
  --container-xs: 480px;
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1440px;
}