% ═══════════════════════════════════════════════════════════
% AltaCV-Style Creative Resume Template
% Based on AltaCV by LianTze Lim, adapted for Tectonic
% ═══════════════════════════════════════════════════════════
\documentclass[10pt,a4paper]{article}

% ── Packages ──
\usepackage[margin=1.25cm,columnsep=1.2cm]{geometry}
\usepackage{paracol}          % dual-column that breaks across pages
\usepackage[fixed]{fontawesome5}
\usepackage{tikz}
\usepackage{xcolor}
\usepackage{enumitem}
\usepackage{graphicx}
\usepackage{dashrule}
\usepackage[colorlinks=true,urlcolor=accent,linkcolor=accent,bookmarks=false]{hyperref}

% ── Colour System (change these to retheme) ──
\definecolor{accent}{HTML}{3B82F6}       % blue — primary accent
\definecolor{emphasis}{HTML}{2E2E2E}     % near-black — job titles, strong text
\definecolor{heading}{HTML}{1E293B}      % dark slate — section headings
\definecolor{headingrule}{HTML}{3B82F6}  % matches accent
\definecolor{body}{HTML}{4B5563}         % gray-600 — body text
\definecolor{tagbg}{HTML}{EFF6FF}        % light blue — tag background
\definecolor{subheading}{HTML}{3B82F6}   % matches accent

% ── Fonts ──
\usepackage[rm]{roboto}
\usepackage[defaultsans]{lato}
\renewcommand{\familydefault}{\sfdefault}

% ── List Settings ──
\setlist{leftmargin=*,labelsep=0.5em,nosep,itemsep=0.25\baselineskip,after=\vspace{0.25\baselineskip}}
\setlist[itemize]{label={\small\textbullet}}

\setlength{\parindent}{0pt}

% ── Custom Commands ──

% Divider (dashed line between entries)
\newcommand{\divider}{\textcolor{body!30}{\hdashrule{\linewidth}{0.6pt}{0.5ex}}\medskip}

% Section heading with rule
\newcommand{\cvsection}[1]{%
  \nointerlineskip\bigskip%
  {\color{heading}\Large\bfseries\MakeUppercase{#1}}\\[-1ex]%
  {\color{headingrule}\rule{\linewidth}{2pt}\par}\medskip
}

% Experience entry: {title}{company}{dates}{location}
\newcommand{\cvevent}[4]{%
  {\large\color{emphasis}\bfseries #1\par}%
  \smallskip\normalsize
  \ifx&#2&\else{\textbf{\color{accent}#2}\par\smallskip}\fi%
  \ifx&#3&\else{%
    \small\makebox[0.5\linewidth][l]{\faCalendar[regular]~#3}%
  }\fi%
  \ifx&#4&\else{%
    \small\makebox[0.5\linewidth][l]{\faMapMarker~#4}%
  }\fi\par%
  \medskip\normalsize
}

% Skill rating dots: {name}{level 1-5, supports X.5}
\newcommand{\cvskill}[2]{%
  \textcolor{emphasis}{\textbf{#1}}\hfill
  \foreach \x in {1,...,5}{%
    \ifdimgreater{\x pt}{#2 pt}{\color{body!30}}{\color{accent}}\faCircle
  }\par%
}

% Tag label (rounded rectangle)
\newcommand{\cvtag}[1]{%
  \tikz[baseline]\node[anchor=base,draw=body!30,rounded corners,inner xsep=1ex,inner ysep=0.75ex,text height=1.5ex,text depth=.25ex]{#1};%
}

% Achievement: {icon}{title}{description}
\newcommand{\cvachievement}[3]{%
  \begin{tabular}{@{}p{2em} @{\hspace{1ex}} p{\dimexpr\linewidth-3em}@{}}
  {\Large\color{accent}#1} & \textbf{\color{emphasis}#2}\\
  & {\small #3}
  \end{tabular}%
  \smallskip
}

% ═══════════════════════════════════════════════════════════
\begin{document}

% ── Header ──
\begin{center}
{\Huge\bfseries\color{heading} YOUR NAME}\par\medskip
{\large\bfseries\color{accent} Full-Stack Engineer | Open Source Contributor}\par\medskip
{\footnotesize\bfseries
\faAt~\href{mailto:name@email.com}{name@email.com}\hspace{2em}
\faPhone~+86 138-0000-0000\hspace{2em}
\faGithub~\href{https://github.com/username}{username}\hspace{2em}
\faLinkedin~\href{https://linkedin.com/in/username}{username}\hspace{2em}
\faMapMarker~Shanghai, China
}\par
\end{center}

\medskip

% ── Two Columns ──
\columnratio{0.62}
\begin{paracol}{2}

% ════════ LEFT COLUMN (Experience + Projects) ════════
\cvsection{Experience}

\cvevent{Senior Software Engineer}{Zhipu AI}{Jan 2022 -- Present}{Beijing}
\begin{itemize}
\item Architected real-time inference pipeline serving 10M+ daily requests with p99 latency < 50ms
\item Led migration from monolith to microservices, reducing deployment cycle from weekly to hourly
\item Designed A/B testing framework enabling 30\% faster feature iteration across 5 product teams
\end{itemize}

\divider

\cvevent{Software Engineer}{ByteDance}{Jul 2019 -- Dec 2021}{Beijing}
\begin{itemize}
\item Built recommendation engine (collaborative filtering + deep learning) improving CTR by 25\%
\item Implemented distributed training pipeline on 64-GPU cluster, reducing training time by 60\%
\end{itemize}

\cvsection{Projects}

\cvevent{Open Source Project}{\href{https://github.com/user/project}{github.com/user/project}}{}{}
\begin{itemize}
\item High-performance async HTTP framework — 5,000+ GitHub stars
\item Featured in Awesome-Go and HackerNews front page
\end{itemize}

% ════════ RIGHT COLUMN (Education + Skills + Languages) ════════
\switchcolumn

\cvsection{Education}

\cvevent{M.Sc. Computer Science}{Tsinghua University}{2017 -- 2019}{}
Thesis: Distributed Graph Processing\\
GPA: 3.8/4.0

\divider

\cvevent{B.Eng. Software Engineering}{Zhejiang University}{2013 -- 2017}{}

\cvsection{Skills}

\cvskill{Python}{5}
\divider
\cvskill{Go / Rust}{4}
\divider
\cvskill{System Design}{4.5}
\divider
\cvskill{Machine Learning}{3.5}

\medskip

\cvtag{Kubernetes}
\cvtag{Docker}
\cvtag{Kafka}\\
\cvtag{PostgreSQL}
\cvtag{Redis}
\cvtag{gRPC}\\
\cvtag{React}
\cvtag{TypeScript}
\cvtag{Terraform}

\cvsection{Languages}

\cvskill{English}{4.5}
\divider
\cvskill{Chinese (Native)}{5}

\cvsection{Highlights}

\cvachievement{\faTrophy}{ACM ICPC Regional Gold}{2016 Asia Regional Contest}
\divider
\cvachievement{\faGithub}{5,000+ Stars OSS}{Maintainer of popular async framework}

\end{paracol}

% ── PDF Metadata ──
\hypersetup{
    pdftitle={Resume - Your Name},
    pdfauthor={Z.ai},
    pdfsubject={Professional Resume},
}

\end{document}