:root {
  /* === Cores Primárias === */
  --color-primary: #F26B2B;
  --color-primary-dark: #E04E1A;
  --color-primary-light: #FF8A50;
  --gradient-primary: linear-gradient(135deg, #F26B2B, #E04E1A);

  /* === Cores Secundárias === */
  --color-secondary: #6C3FC5;
  --color-secondary-dark: #5A2DA8;
  --color-secondary-light: #8B5CF6;
  --gradient-secondary: linear-gradient(135deg, #6C3FC5, #5A2DA8);

  /* === Neutros === */
  --color-white: #FFFFFF;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* === Feedback === */
  --color-success: #10B981;
  --color-ai-badge: #8B5CF6;

  /* === Tipografia === */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.3vw, 0.9rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.3vw, 1rem);
  --text-lg: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
  --text-xl: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --text-2xl: clamp(1.25rem, 1.1rem + 0.7vw, 1.5rem);
  --text-3xl: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  --text-4xl: clamp(1.8rem, 1.4rem + 1.8vw, 2.5rem);
  --text-5xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

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

  /* === Espaçamentos === */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-section: clamp(3rem, 2rem + 4vw, 6rem);

  /* === Layout === */
  --container-max: 1200px;
  --container-padding: clamp(1rem, 0.5rem + 2vw, 2rem);

  /* === Sombras === */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);

  /* === Bordas === */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* === Transições === */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* === Z-index === */
  --z-header: 100;
  --z-mobile-menu: 90;
  --z-fab: 80;
  --z-overlay: 70;
}