Beamer — Modern LaTeX Template

\documentclass[aspectratio=169,11pt]{beamer}

% ── Fonts: clean sans throughout (modern) ────────────────────────────────────
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[scaled=0.92]{helvet}
\renewcommand{\familydefault}{\sfdefault}
\usepackage{microtype}
\usepackage{amsmath,amssymb}
\usepackage{booktabs}
\usepackage{tikz}
\usepackage[most]{tcolorbox}

% ── Palette: vivid indigo + teal on white ────────────────────────────────────
\definecolor{ink}{RGB}{24,24,32}
\definecolor{brand}{RGB}{91,52,214}      % indigo
\definecolor{brand2}{RGB}{20,160,150}    % teal
\definecolor{soft}{RGB}{120,120,135}
\definecolor{bg}{RGB}{255,255,255}
\definecolor{panel}{RGB}{245,244,250}
\setbeamercolor{background canvas}{bg=bg}

\usetheme{default}
\usefonttheme{professionalfonts}
\setbeamertemplate{navigation symbols}{}
\setbeamercolor{normal text}{fg=ink}
\setbeamercolor{structure}{fg=brand}
\setbeamercolor{itemize item}{fg=brand}
\setbeamercolor{itemize subitem}{fg=brand2}
\setbeamertemplate{itemize item}{\small\raise.5pt\hbox{$\blacktriangleright$}}
\setbeamertemplate{itemize subitem}{\footnotesize\raise.5pt\hbox{--}}

% ── Frame title: bold, with an accent square ─────────────────────────────────
\setbeamertemplate{frametitle}{%
  \vskip10pt
  \hbox{\color{brand}\rule{3.5pt}{17pt}\hskip8pt%
    \raisebox{2pt}{\Large\bfseries\color{ink}\insertframetitle}}%
  \vskip2pt
}

% ── Footline: progress bar + page number ─────────────────────────────────────
\newlength{\barw}
\setbeamertemplate{footline}{%
  \hbox to\paperwidth{\hskip.5cm
    {\scriptsize\color{soft}\insertshorttitle}%
    \hfill
    {\scriptsize\color{soft}\insertframenumber\,/\,\inserttotalframenumber}%
    \hskip.5cm}\vskip3pt
  \pgfmathsetlength{\barw}{\insertframenumber/\inserttotalframenumber*\paperwidth}%
  \hbox{\color{panel}\rule{\paperwidth}{2pt}}\vskip-2pt
  \hbox{\color{brand}\rule{\barw}{2pt}}%
}

% ── Accent callout box ───────────────────────────────────────────────────────
\newtcolorbox{callout}[1][Key idea]{
  enhanced, colback=brand!6, colframe=brand, boxrule=0pt, leftrule=3pt,
  sharp corners, left=8pt, right=8pt, top=5pt, bottom=5pt,
  fonttitle=\bfseries\footnotesize, coltitle=brand, title={#1}}

\title[Modern Deck]{Your Bold Presentation Title}
\subtitle{A modern, high-contrast slide design}
\author{Your Name}
\institute{Team \textbullet\ Organisation}
\date{\today}

\begin{document}

% ── Title slide: full indigo panel ───────────────────────────────────────────
{\setbeamertemplate{footline}{}
\setbeamercolor{background canvas}{bg=brand}
\begin{frame}[plain]
  \vfill
  \hskip.7cm\begin{minipage}{0.9\textwidth}
    {\color{white!75}\rule{2.4cm}{3pt}}\par\vskip14pt
    {\Huge\bfseries\color{white}\inserttitle}\par\vskip8pt
    {\large\color{white!85}\insertsubtitle}\par\vskip22pt
    {\normalsize\bfseries\color{white}\insertauthor}\par\vskip2pt
    {\footnotesize\color{white!75}\insertinstitute \quad\textbullet\quad \insertdate}
  \end{minipage}
  \vfill
\end{frame}}

\begin{frame}{Agenda}
  \tableofcontents
\end{frame}

% ── Section divider: big ghosted numeral ──────────────────────────────────────
\AtBeginSection[]{%
  {\setbeamertemplate{footline}{}
  \begin{frame}[plain]
    \vfill
    \hskip.7cm\begin{minipage}{0.9\textwidth}
      {\fontsize{72}{72}\selectfont\bfseries\color{brand!18}\insertsectionnumber}\par\vskip-10pt
      {\color{brand2}\rule{2.2cm}{3pt}}\par\vskip8pt
      {\LARGE\bfseries\color{ink}\insertsectionhead}
    \end{minipage}
    \vfill
  \end{frame}}}

\section{Context}

\begin{frame}{The Problem}
  \begin{itemize}
    \item Open with the pain point in one line.
    \item Quantify it: a number makes it real.
    \item Say why existing solutions fall short.
  \end{itemize}
  \vskip8pt
  \begin{callout}[Thesis]
    State your one-sentence claim here — the spine of the whole talk.
  \end{callout}
\end{frame}

\section{Approach}

\begin{frame}{How It Works}
  \begin{columns}[T]
    \begin{column}{0.52\textwidth}
      \textbf{\color{brand}Three steps}
      \begin{enumerate}
        \item Ingest and clean the data
        \item Fit the model
        \item Evaluate out of sample
      \end{enumerate}
    \end{column}
    \begin{column}{0.44\textwidth}
      \begin{callout}[Objective]
        \[
          \min_{\theta}\ \frac{1}{n}\sum_{i=1}^{n}\ell\!\left(f_\theta(x_i),y_i\right)
        \]
      \end{callout}
    \end{column}
  \end{columns}
\end{frame}

\section{Results}

\begin{frame}{What We Found}
  \begin{table}
    \centering
    \begin{tabular}{lcc}
      \toprule
      Method & Score & Speed \\
      \midrule
      Baseline      & 88.4 & 1.0$\times$ \\
      Prior work    & 91.2 & 1.2$\times$ \\
      \textbf{Ours} & \textbf{94.7} & \textbf{1.4$\times$} \\
      \bottomrule
    \end{tabular}
  \end{table}
  \vskip6pt
  \begin{callout}[Headline result]
    \textbf{+6.3 points} of accuracy at \textbf{40\%} higher throughput.
  \end{callout}
\end{frame}

\section{Wrap-up}

\begin{frame}{Takeaways}
  \begin{itemize}
    \item One: the problem and why it mattered.
    \item Two: the idea, in a sentence.
    \item Three: the result the audience should repeat.
  \end{itemize}
  \vfill
  \begin{center}
    {\Large\bfseries\color{brand}Thanks --- let's talk.}\\[2pt]
    {\footnotesize\color{soft}you@organisation.com}
  \end{center}
\end{frame}

\end{document}

Is the Beamer — Modern template free?

Yes — every latexci template is free, open-source, and needs no signup. Open it in the browser editor or copy the full source.

How do I use this template?

Click “Open in editor” to load it straight into the live LaTeX preview, or copy the source into Overleaf or your local TeX editor (TeX Live, MiKTeX).