Response to Reviewers

\documentclass[11pt,a4paper]{article}

% ── Core packages ───────────────────────────────────────────────────────────
\usepackage[top=22mm,bottom=22mm,left=24mm,right=24mm]{geometry}
\usepackage[T1]{fontenc}
\usepackage{sourcesanspro}            % clean sans for headings/labels
\usepackage{tcolorbox}
\tcbuselibrary{skins,breakable}
\usepackage{xcolor}
\usepackage{enumitem}
\usepackage{hyperref}
\usepackage{amsmath}

% ── Palette ─────────────────────────────────────────────────────────────────
\definecolor{editor}{HTML}{334155}    % slate --- editor / structure
\definecolor{reviewer}{HTML}{B45309}  % amber --- reviewer comments
\definecolor{response}{HTML}{15803D}  % green --- author responses
\definecolor{quote}{HTML}{F1F5F9}

\hypersetup{colorlinks=true,urlcolor=editor,linkcolor=editor}

% ── Reviewer block: a numbered comment in an amber card ─────────────────────
\newtcolorbox{rvcomment}[1][]{%
  breakable, enhanced, sharp corners=downhill, arc=2pt,
  colback=white, colframe=reviewer, boxrule=0.6pt,
  left=10pt, right=10pt, top=6pt, bottom=6pt,
  fonttitle=\bfseries\color{white},
  coltitle=white, colbacktitle=reviewer,
  title={Comment #1}}

% ── Author response: green left-bar, hangs under the comment ────────────────
\newenvironment{response}%
  {\par\vspace{3pt}\begin{tcolorbox}[breakable,enhanced,boxrule=0pt,
     colback=white,left=12pt,right=6pt,top=4pt,bottom=4pt,
     borderline west={2.4pt}{0pt}{response}]%
   \textbf{\color{response}Response.}\enspace}%
  {\end{tcolorbox}}

% ── Quoted revised text from the manuscript ─────────────────────────────────
\newtcolorbox{revised}{%