:root {
  --gradient-brand: linear-gradient(135deg, #ff8a00 0%, #ff5c00 50%, #e84d00 100%);
  --gradient-brand-hover: linear-gradient(135deg, #ff9a1a 0%, #ff6a14 50%, #f05a10 100%);

  --color-brand-500: #ff5c00;
  --color-brand-600: #e84d00;
  --color-brand-700: #c94100;

  --color-surface: #ffffff;
  --color-surface-muted: #fff8f3;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-border: #e8ddd4;
  --color-border-focus: #ff8a00;

  --color-error: #c62828;
  --color-error-bg: #ffebee;
  --color-success: #2e7d32;
  --color-success-bg: #e8f5e9;

  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;

  --shadow-card: 0 12px 40px rgba(232, 77, 0, 0.18), 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-focus: 0 0 0 3px rgba(255, 140, 0, 0.35);

  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;

  --transition-fast: 150ms ease;
}