\documentclass[11pt, a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{geometry}
\geometry{a4paper, margin=1in}
\usepackage[T1]{fontenc}
\usepackage{lmodern} % Good choice for readability and ATS compatibility
\renewcommand{\familydefault}{\rmdefault}
\usepackage{xcolor}
\definecolor{headercolor}{RGB}{0,0,0} % Black color for headers for maximum readability
\usepackage{sectsty}
\sectionfont{\color{headercolor}\Large\bfseries}
\usepackage{enumitem}
\setlength{\parskip}{1em}
\setlength{\parindent}{0em}
\usepackage{setspace}
\setstretch{1.2}

\begin{document}