Applykit

\documentclass[10pt,a4paper]{article}
\usepackage{fontspec}
\setmainfont{Inter}[
  Path           = fonts/,
  Extension      = .otf,
  UprightFont    = *-Regular,
  BoldFont       = *-Bold,
  ItalicFont     = *-Italic,
  BoldItalicFont = *-BoldItalic,
]
\newfontface\displayfont{CalSans-SemiBold}[Path=fonts/, Extension=.ttf]
\newfontface\sectionfont{CalSans-SemiBold}[Path=fonts/, Extension=.ttf]
\usepackage[a4paper, top=0.55in, bottom=0.55in, left=0.65in, right=0.65in]{geometry}
\usepackage{hyperref}
\usepackage{enumitem}
\usepackage{titlesec}
\usepackage{tabularx}
\usepackage{parskip}
\usepackage[none]{hyphenat}
\usepackage{fontawesome5}
\usepackage{xcolor}
\definecolor{accent}{HTML}{898989}

\hypersetup{colorlinks=true, urlcolor=blue, linkcolor=black, pdfborder={0 0 0}}

\linespread{0.95}
\setlength{\parindent}{0pt}
\setlength{\parskip}{0pt}

% Section: bold, rule underneath
\titleformat{\section}{\fontsize{13.5pt}{14.85pt}\selectfont\sectionfont}{}{0em}{\textcolor{accent}{\rule[-3pt]{3pt}{16pt}}\hspace{8pt}}[\vspace{-4pt}\rule{\textwidth}{0.5pt}]
\titlespacing*{\section}{0pt}{10pt}{5pt}

% Flags for conditional summary variants — add as many as you need
\newif\ifsummaryA
\newif\ifsummaryB
\newif\ifsummaryC

% Set the active summary here
\summaryAfalse
\summaryBfalse
\summaryCtrue

% ---- Resume macros -------------------------------------------------------

% Job/edu heading: {Organisation}{Location}{Role/Degree}{Dates}
\newcommand{\resumeSubheading}[4]{%
  \vspace{3pt}%
  \noindent\begin{tabular*}{\textwidth}{@{}l@{\extracolsep{\fill}}r@{}}
    \textbf{#1} & \small\textit{#2}\\
    \textit{\small #3} & \textit{\small #4}\\
  \end{tabular*}\nopagebreak\vspace{1pt}%
}

% Single-line heading: {Title}{Dates}
\newcommand{\resumeOneLineHeading}[2]{%
  \vspace{3pt}%
  \noindent\begin{tabular*}{\textwidth}{@{}l@{\extracolsep{\fill}}r@{}}
    #1 & \textit{\small #2}\\
  \end{tabular*}\nopagebreak\vspace{1pt}%
}

\newenvironment{resumeItemList}{%
  \begin{itemize}[leftmargin=1.4em, label=\textbullet, topsep=1pt,
                  itemsep=0pt, parsep=0pt, partopsep=0pt]%
  \small%
}{\end{itemize}\vspace{2pt}}

\newcommand{\resumeItem}[1]{\item #1}

% -------------------------------------------------------------------------

\begin{document}
\pagestyle{empty}

\input{content/header}
\input{content/summary}
\input{content/skills}
\input{content/education}
\input{content/experience}
\input{content/projects}
\input{content/publications}
\input{content/engagements}

\end{document}