% Creating a simple Title Page in Beamer
\documentclass[aspectratio=169]{beamer}
% Bibliography and graphics support
\usepackage{hyperref}
\usepackage{fontawesome5}
\usepackage{graphicx}
\usepackage{url}
\usepackage[
backend=biber,
style=alphabetic,
sorting=ynt
]{biblatex}
\addbibresource{references.bib}
% Testing the custom theme
\usetheme{Optics}
% Title page details:
\title{Example Presentation for Checking the Template}
\author{Admin}
\date{\today}
\location{Online, Optics-Design.com} % Set presentation location
\email{admin@optics-design.com} % Replace with your actual email
\website{Link to the Website}{https://optics-design.com}
\begin{document}

% Title page frame
\begin{frame}
    \titlepage
\end{frame}

\begin{frame}{Contents}
    \tableofcontents
\end{frame}

% Presentation structure
\section{Basic Information}
\subsection{Motivation}
\begin{frame}{\insertsubsectionhead}
    \begin{itemize}
        \item I needed a way to make presentations without Microsoft PowerPoint.
        \item The most robust alternative I found for myself is the \LaTeX~beamer.
        \item For me the \LaTeX~beamer:
            \begin{itemize}
                \item Provides a simple way to have consistent style across all my slides \& presentations
                \item Allows me to have some convenient features like hyperlinks and references automatically
                \item Makes me independent of the commercial software
            \end{itemize}
    \end{itemize}
\end{frame}

\subsection{Structure}
\begin{frame}{\insertsubsectionhead}
    \begin{itemize}
        \item The template is fully contained in beamerthemeOptics.sty
        \item There are comments, so I hope it is self-explanatory.\par
            \descr{The template also contains some custom commands and \textcolor{accent}{different} \textcolor{primary}{colors}, which I use}
    \end{itemize}
\end{frame}


\section{Examples}
\subsection{An Image \& a Reference}
\begin{frame}{\insertsubsectionhead}
            \begin{figure}
                \centering
                \includegraphics[width=0.4\textwidth]{files/redsquare.png}
                \caption{A red square.~\cite{exampleref1}}
            \end{figure}
\end{frame}
\subsection{A Slide with Text \& Images}
\begin{frame}{\insertsubsectionhead}
    \begin{columns}[T]
        \begin{column}{0.5\textwidth}
            \begin{itemize}
                \item Just a simple demonstration of how to have text \& images on the same slide.
                \item I just use columns
                \item Obviously you have more freedom in something like PowerPoint, but I don't feel like I lose something by making my slides this way
            \end{itemize}
        \end{column}
        \begin{column}{0.5\textwidth}
            \begin{figure}
                \centering
                \includegraphics[width=0.3\textwidth]{files/greentriangle.png}
                \caption{A green triangle.~\cite{exampleref2}}
                \centering
                \includegraphics[width=0.3\textwidth]{files/blueellipse.png}
                \caption{A blue ellipse~\cite{exampleref3}}
            \end{figure}
        \end{column}
    \end{columns}
\end{frame}


\section*{Support Material}
\begin{frame}[allowframebreaks]{References}
\printbibliography
\end{frame}
\end{document}
