\documentclass[11pt,a4paper]{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[english]{babel}
\usepackage[margin=2.5cm]{geometry}
\usepackage{graphicx}
\usepackage{booktabs}
\usepackage{amsmath}
\usepackage{tikz}
\usepackage{natbib}
\usepackage[hidelinks]{hyperref}
\usetikzlibrary{positioning,arrows.meta,shapes.geometric,calc}

\setcitestyle{authoryear,round}
\setlength{\parskip}{0.4em}

\title{UAV and Truck-Based Urban Logistics:\\A PRISMA Systematic Review of the State of the Art}
\author{Anonymous submission}
\date{}

\begin{document}
\maketitle

\begin{abstract}
\noindent
\textbf{Protocol status.} This manuscript is generated by a PRISMA-guided multi-agent
workflow. Every count reported here is sourced from \texttt{data\_processed/prisma\_flow.json}
and every citation from the screening decision log; no record is cited that was not screened
in. Placeholder text is marked \textsc{[todo]}.
\end{abstract}

\input{sections/introduction}
\input{sections/method}
\input{sections/results}
\input{sections/taxonomy}
\input{sections/discussion}
\input{sections/conclusions}
\input{sections/limitations}

\bibliographystyle{plainnat}
\bibliography{references}

\end{document}