/*
  Breakpoint convention (hardcoded literally in @media rules, not usable as custom properties):
  sm: 480px  md: 768px  lg: 1024px  xl: 1280px
*/

:root {
  /* Brand palette - BVB-inspired black / anthracite / Dortmund yellow */
  --color-black: #0a0a0b;
  --color-anthracite-900: #131417;
  --color-anthracite-800: #1c1d21;
  --color-anthracite-700: #26282d;
  --color-anthracite-600: #35373d;
  --color-anthracite-border: #33353b;

  --color-yellow: #fde100;
  --color-yellow-strong: #e6cb00;
  --color-yellow-deep: #a99700;
  --color-yellow-tint: #fff6c2;

  --color-white: #ffffff;
  --color-bg: #f7f7f5;
  --color-bg-alt: #efefec;
  --color-surface: #ffffff;

  --color-text: #17181a;
  --color-text-muted: #55585e;
  --color-text-soft: #797d84;
  --color-text-on-dark: #f4f4f2;
  --color-text-on-dark-muted: #b7b9bd;

  --color-border: #e3e3e0;
  --color-success: #1e7d3c;
  --color-error: #c62828;

  /* Spacing scale */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Type scale */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.8125rem;
  --font-size-sm: 0.9375rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.375rem;
  --font-size-xl: 1.75rem;
  --font-size-2xl: 2.25rem;
  --font-size-3xl: 3rem;
  --line-height-tight: 1.2;
  --line-height-normal: 1.55;

  /* Radius / shadow */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(10, 10, 11, 0.08);
  --shadow-md: 0 8px 24px rgba(10, 10, 11, 0.12);
  --shadow-lg: 0 20px 48px rgba(10, 10, 11, 0.18);

  --container-max: 1200px;
  --transition-fast: 150ms ease;
  --transition-base: 220ms ease;
}