\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}