/* ============================================
   HOFZWANZIG Design Tokens v2.0
   webdesign-workflow Phase 2
   ============================================ */

:root {
  /* ---- COLOR SYSTEM ---- */
  /* Primary: Warm Brown (Brand) */
  --color-primary-100: #f5ede6;
  --color-primary-200: #e6d5c3;
  --color-primary-300: #c9a882;
  --color-primary-400: #a07850;
  --color-primary-500: #6b4226;
  --color-primary-600: #55341e;
  --color-primary-700: #3e2515;

  /* Secondary: Gold (Accent) */
  --color-secondary-100: #fdf8eb;
  --color-secondary-200: #f9ecc6;
  --color-secondary-300: #f0d48a;
  --color-secondary-400: #d4a843;
  --color-secondary-500: #b8860b;

  /* Neutral: Warm Greys */
  --color-neutral-50: #faf9f7;
  --color-neutral-100: #f3f1ed;
  --color-neutral-200: #e8e4dd;
  --color-neutral-300: #d5cfc5;
  --color-neutral-400: #b8b0a3;
  --color-neutral-500: #8c8275;
  --color-neutral-600: #6b6259;
  --color-neutral-700: #4a433c;
  --color-neutral-800: #2e2923;
  --color-neutral-900: #1a1613;

  /* Elbe: Cool Blue (Accent) */
  --color-elbe-100: #e8eff2;
  --color-elbe-200: #b8cdd6;
  --color-elbe-300: #7fa8b8;
  --color-elbe-500: #4a6e7f;
  --color-elbe-700: #2d4a58;

  /* Semantic */
  --color-success: #2e7d32;
  --color-warning: #f57f17;
  --color-error: #c62828;
  --color-info: #1565c0;

  /* Shorthand Aliases */
  --color-primary: var(--color-primary-500);
  --color-accent: var(--color-secondary-500);
  --color-bg: var(--color-neutral-50);
  --color-bg-warm: var(--color-neutral-100);
  --color-bg-dark: var(--color-neutral-900);
  --color-text: var(--color-neutral-800);
  --color-text-muted: var(--color-neutral-500);
  --color-text-light: #ffffff;
  --color-border: var(--color-neutral-200);
  --color-elbe: var(--color-elbe-500);

  /* Overlays */
  --overlay-warm: rgba(107, 66, 38, 0.6);
  --overlay-cool: rgba(74, 110, 127, 0.3);
  --overlay-dark: rgba(26, 22, 19, 0.7);
  --overlay-gradient: linear-gradient(to bottom, transparent 0%, rgba(26, 22, 19, 0.8) 100%);

  /* ---- TYPOGRAPHY ---- */
  --font-display: 'Forum', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* 9-step fluid type scale */
  --type-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --type-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --type-base: clamp(0.938rem, 0.875rem + 0.3vw, 1rem);
  --type-md: clamp(1.05rem, 0.975rem + 0.4vw, 1.125rem);
  --type-lg: clamp(1.2rem, 1.05rem + 0.75vw, 1.5rem);
  --type-xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --type-2xl: clamp(1.8rem, 1.4rem + 2vw, 2.5rem);
  --type-3xl: clamp(2.2rem, 1.6rem + 3vw, 3.25rem);
  --type-4xl: clamp(2.8rem, 2rem + 4vw, 4.5rem);

  /* Line Heights */
  --lh-tight: 1.1;
  --lh-heading: 1.25;
  --lh-body: 1.65;
  --lh-loose: 1.8;

  /* Letter Spacing */
  --ls-tight: -0.02em;
  --ls-normal: 0;
  --ls-wide: 0.04em;
  --ls-caps: 0.1em;

  /* Font Weights */
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-bold: 700;

  /* ---- SPATIAL SYSTEM (8px grid) ---- */
  --space-3xs: 0.25rem;  /* 4px */
  --space-2xs: 0.5rem;   /* 8px */
  --space-xs: 0.75rem;   /* 12px */
  --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 */

  /* Fluid section spacing (tight) */
  --section-y: clamp(1.5rem, 2.5vw, 3rem);

  /* ---- LAYOUT ---- */
  --max-width: 1200px;
  --max-width-narrow: 720px;
  --max-width-wide: 1440px;
  --gutter: clamp(1rem, 3vw, 2rem);

  /* ---- BORDERS & RADIUS ---- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --radius-round: 50%;

  /* ---- SHADOWS ---- */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 8px 10px rgba(0,0,0,0.04);

  /* ---- MOTION ---- */
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --duration-fast: 100ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;
  --duration-slower: 500ms;

  --transition-base: var(--duration-normal) var(--ease-default);
  --transition-slow: var(--duration-slow) var(--ease-default);

  /* ---- Z-INDEX ---- */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-normal: 0ms;
    --duration-slow: 0ms;
    --duration-slower: 0ms;
  }
}