/*
  Design tokens — VR-Gewinnsparverein Hessen-Thüringen e.V.
  Reference palette per Lastenheft §5. Replace with official brand values
  from {{BRAND_ASSETS}} once supplied by the client / BVR brand guidelines.
*/
:root {
  /* Brand colours */
  --color-primary: #0066B3;      /* VR Blau */
  --color-primary-dark: #004E8A;
  --color-primary-light: #E6F1FA;
  --color-accent: #FF6600;       /* VR Orange */
  --color-accent-dark: #CC5200;
  --color-accent-light: #FFEDE0;
  --color-support: #4FA46A;      /* Leaf green — Gemeinnützigkeit/Impact */
  --color-support-dark: #367C4F;
  --color-support-light: #E7F5EC;

  /* Neutrals */
  --color-text: #152233;
  --color-text-muted: #45566B;
  --color-bg: #F6F8FA;
  --color-white: #FFFFFF;
  --color-border: #D8E0E8;

  /* Semantic / status */
  --color-warning-bg: #FFF4E5;
  --color-warning-border: #FFC978;
  --color-warning-text: #7A4A00;
  --color-danger: #C0301E;
  --color-focus: #1B4DFF;

  /* Typography — fallback geometric sans until {{BRAND_ASSETS}} supplies the VR typeface */
  --font-heading: "VR Brand Sans", "Poppins", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "VR Brand Sans", "Source Sans 3", "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --fs-100: 0.8125rem;
  --fs-200: 0.9375rem;
  --fs-300: 1rem;
  --fs-400: 1.125rem;
  --fs-500: 1.375rem;
  --fs-600: 1.75rem;
  --fs-700: 2.25rem;
  --fs-800: 2.875rem;

  --lh-tight: 1.2;
  --lh-normal: 1.5;
  --lh-loose: 1.7;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  /* Shape */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Elevation */
  --shadow-sm: 0 1px 3px rgba(21, 34, 51, 0.08);
  --shadow-md: 0 6px 20px rgba(21, 34, 51, 0.10);
  --shadow-lg: 0 16px 40px rgba(21, 34, 51, 0.14);

  /* Layout */
  --container-max: 1240px;
  --header-height: 76px;

  /* Motion */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;

  /* Z-index scale */
  --z-header: 100;
  --z-overlay: 500;
  --z-modal: 600;
  --z-toast: 700;
}

@media (min-width: 1025px) {
  :root {
    --fs-700: 2.75rem;
    --fs-800: 3.5rem;
  }
}