simple.tex

\documentclass[11pt,letterpaper]{article}

\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{hyperref}
\usepackage{fontspec}
\setmainfont[Ligatures=TeX,BoldFont={* Bold},Numbers={Tabular,Lining}]{Lyon Text}\linespread{1.05}
\setsansfont[Ligatures=TeX,UprightFont={* Regular},BoldFont={* Medium},Scale=0.83]{BentonSans}
\setmonofont[Scale=0.80]{Monaco}
\usepackage[margin=1.2in]{geometry}
\setlength{\parskip}{2ex}
\setlength{\parindent}{0mm}
\usepackage{enumitem}
\setlist{noitemsep}
\usepackage[compact]{titlesec}
\titlespacing{\section}{0pt}{1ex}{0ex}
\titleformat*{\section}{\normalsize\bfseries}
\titlespacing{\subsection}{0pt}{0ex}{0ex}
\titleformat*{\subsection}{\normalsize}
\makeatletter \renewcommand{\maketitle}{\begin{flushleft} {\Large\textbf{\@title}}\\\vspace{.5em}{\normalsize\@author}\\{\small\@date}\end{flushleft}\vspace{1em}}
\setcounter{secnumdepth}{2}

\author{Paul Gribble}
\date{\today}
\title{A Simple Document}

\begin{document}

\maketitle

\section{Introduction}

This is a simple document.

\end{document}