\documentclass[12pt]{report}
% includes
\usepackage{geometry}           % page size
\usepackage[utf8]{inputenc}     % encoding
\usepackage{palatino}           % font
\usepackage[romanian]{babel}    % language
\usepackage{graphicx}           % images
\usepackage{indentfirst}        % indentation
\usepackage[nottoc]{tocbibind}  % table of contents style
\usepackage[unicode]{hyperref}  % references from the table of contents
% includes options
\geometry{  a4paper,            % scientific thesis standard
            left=3cm,
            right=2cm,
            top=2cm,
            bottom=2cm,
 }
\graphicspath{{images/}}        % path where the images are located
\setlength{\parindent}{1cm}     % paragraph indentation
% other options
\linespread{1.5}                % space between lines
\renewcommand*\contentsname{Cuprins}    % table of contents name
% the document content
\begin{document}
    % macros (global)
    \input{front/macros}
    
    % front-matter
    \pagenumbering{gobble}
    
    \input{front/cover}
    \input{front/titlepage}
    \input{front/declaration1}
    \input{front/declaration2}
    
    % table of contents
    \tableofcontents
    
    % chapters
    \setcounter{page}{1}
    \pagenumbering{arabic}
    
    \input{chapters/motivation}
    \input{chapters/introduction}
    
    \input{chapters/chapter1}
    \input{chapters/chapter2}
    \input{chapters/chapter3}
    
    \input{chapters/conclusions}
    \input{chapters/bibliography}
\end{document}