:root {
    --brand-primary: #1e40af;   /* Change to ISF brand color */
    --brand-secondary: #2563eb;
    --brand-bg: #f5f7fb;
    --brand-text: #1f2937;
    --brand-muted: #6b7280;
    --brand-error: #dc2626;
    --brand-success: #16a34a;
}