:root {
    /* Identidade */
    --brand: #FF4000;
    --brand-hover: #E63900;
    --brand-light: rgba(255, 64, 0, 0.08);
    
    /* Neutros */
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-400: #94A3B8;
    --gray-700: #334155;
    --gray-900: #0F172A;

    /* Sombras e Blur */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px -2px rgba(0,0,0,0.08);
    --glass: rgba(255, 255, 255, 0.8);

    /* Layout */
    --header-h: 72px;
    --nav-h: 48px;
    --radius: 10px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}