:root {
    /* Cores de Marca - Industrial Premium */
    --color-primary: #F59E0B;      /* Amber / Gold */
    --color-primary-hover: #D97706;
    --color-primary-glow: rgba(245, 158, 11, 0.3);
    
    --color-secondary: #64748B;    /* Slate */
    --color-accent: #38BDF8;       /* Sky Blue */
    
    /* Escala Cinza / Backgrounds */
    --bg-main: #0F172A;            /* Deep Blue/Slate */
    --bg-surface: #1E293B;         /* Card Surface */
    --bg-surface-light: #334155;
    
    /* Semântica */
    --color-success: #22C55E;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #3B82F6;

    /* Tipografia */
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --text-inverse: #0F172A;
    
    /* Espaçamento */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 40px;
    
    /* Bordas e Sombras */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
    
    /* Animações */
    --transition-fast: 150ms ease;
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}