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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>DavidHE • Professional Software Developer Portfolio</title>
<meta name="description"
content="DavidHE — Experienced freelance software developer crafting intuitive, user-centered digital solutions with a focus on clarity and impact." />
<meta name="keywords"
content="DavidHE, Full-Stack Developer, Software Developer, Web Developer, Portfolio, Python, .NET, C#, JavaScript" />
<meta name="author" content="DavidHE" />
<link rel="canonical" href="https://davidhevn.github.io/" />
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website" />
<meta property="og:url" content="https://davidhevn.github.io/" />
<meta property="og:title" content="DavidHE • Professional Software Developer Portfolio" />
<meta property="og:description"
content="Experienced freelance software developer crafting intuitive, user-centered digital solutions." />
<meta property="og:image" content="static/assets/david-photo.jpg" />
<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image" />
<meta property="twitter:url" content="https://davidhevn.github.io/" />
<meta property="twitter:title" content="DavidHE • Professional Software Developer Portfolio" />
<meta property="twitter:description"
content="Experienced freelance software developer crafting intuitive, user-centered digital solutions." />
<meta property="twitter:image" content="static/assets/david-photo.jpg" />
<!-- PWA -->
<link rel="manifest" href="static/manifest.json" />
<meta name="theme-color" content="#14b89c" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="default" />
<meta name="apple-mobile-web-app-title" content="DavidHE Portfolio" />
<!-- Preconnect for performance -->
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<!-- Professional Font Stack -->
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet" />
<!-- Main Stylesheet -->
<link rel="stylesheet" href="static/css/style.css" />
<!-- Structured Data (JSON-LD) -->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "Person",
"name": "DavidHE",
"jobTitle": "Full-Stack Developer",
"description": "Experienced freelance software developer specializing in large-scale, high-performance web applications.",
"url": "https://davidhevn.github.io/",
"sameAs": [
"https://github.com/davidhevn",
"https://www.linkedin.com/in/davidhoangem-davidhe-88694a318/",
"https://www.tiktok.com/@davidhevn/",
"https://www.facebook.com/hoang.snguyens.589583/"
],
"email": "davidhoangem@gmail.com",
"knowsAbout": [
"Full-Stack Development",
"Python",
"JavaScript",
".NET Core",
"C#",
"Web Development",
"AI Tools",
"Content Creation"
]
}
</script>
<!-- Google Analytics (replace with your GA ID) -->
<!--
<script async src="https://www.googletagmanager.com/gtag/js?id=GA_MEASUREMENT_ID"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'GA_MEASUREMENT_ID');
</script>
-->
<!-- Google Translate -->
<script type="text/javascript">
window.googleTranslateElementInit = function () {
new google.translate.TranslateElement({
pageLanguage: 'en',
includedLanguages: 'en,vi,zh-CN,ja,ko,fr,de,es,pt,ru,ar,hi,th,id,it,nl,pl,tr',
layout: google.translate.TranslateElement.InlineLayout.SIMPLE,
autoDisplay: false
}, 'google_translate_element');
};
</script>
<script type="text/javascript"
src="https://translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>
</head>
<body>
<!-- Accessibility Skip Link -->
<a class="skip" href="#main">Skip to content</a>
<!-- Google Translate Element (Hidden) -->
<div id="google_translate_element" style="display: none;"></div>
<!-- =========================================
Header & Navigation
========================================= -->
<header class="header" id="header">
<div class="container header__bar">
<a class="brand" href="#home" aria-label="Go to home">
<span class="brand__text">DavidHE</span>
</a>
<div class="header__controls">
<!-- Search -->
<div class="search search--compact" id="global-search">
<input type="search" id="search-input" class="search__input" placeholder="Search..."
aria-label="Search website" autocomplete="off" />
<div class="search__dropdown" id="search-dropdown" aria-live="polite">
<div class="search__hint">Try searching for:</div>
<ul class="search__results" id="search-results"></ul>
</div>
</div>
<div class="theme-toggle">
<span class="theme-toggle__icon" id="theme-icon">🌙</span>
<button class="theme-toggle__button" id="theme-toggle" aria-label="Toggle dark mode">
<span class="theme-toggle__slider"></span>
</button>
</div>
</div>
<!-- Mobile Navigation Toggle -->
<input id="nav-toggle" type="checkbox" class="nav__toggle" aria-label="Toggle menu" />
<label for="nav-toggle" class="nav__button" aria-hidden="true">
<span></span>
<span></span>
<span></span>
</label>
<nav class="nav" aria-label="Primary navigation">
<ul class="nav__list">
<li><a href="#home" class="nav__link">Home</a></li>
<li><a href="#about" class="nav__link">About</a></li>
<li><a href="#hobbies" class="nav__link">Hobbies</a></li>
<li><a href="#work" class="nav__link">Work</a></li>
<li><a href="#blog" class="nav__link">Blog</a></li>
<li><a href="#testimonials" class="nav__link">Testimonials</a></li>
<li><a href="cv.html" class="nav__link nav__cta">Download CV</a></li>
</ul>
</nav>
<!-- Language Selector with Globe Icon -->
<div class="language-selector">
<button class="language-toggle" id="language-toggle" aria-label="Select language">
<span class="language-icon">🌐</span>
</button>
<div class="language-menu" id="language-menu">
<div class="language-menu__header">Select Language</div>
<ul class="language-menu__list">
<li><a href="#" data-lang="en" class="language-option">English</a></li>
<li><a href="#" data-lang="vi" class="language-option">Tiếng Việt</a></li>
<li><a href="#" data-lang="zh" class="language-option">中文</a></li>
<li><a href="#" data-lang="ja" class="language-option">日本語</a></li>
<li><a href="#" data-lang="ko" class="language-option">한국어</a></li>
<li><a href="#" data-lang="fr" class="language-option">Français</a></li>
<li><a href="#" data-lang="de" class="language-option">Deutsch</a></li>
<li><a href="#" data-lang="es" class="language-option">Español</a></li>
<li><a href="#" data-lang="pt" class="language-option">Português</a></li>
<li><a href="#" data-lang="ru" class="language-option">Русский</a></li>
<li><a href="#" data-lang="ar" class="language-option">العربية</a></li>
<li><a href="#" data-lang="hi" class="language-option">हिन्दी</a></li>
<li><a href="#" data-lang="th" class="language-option">ไทย</a></li>
<li><a href="#" data-lang="id" class="language-option">Bahasa Indonesia</a></li>
<li><a href="#" data-lang="it" class="language-option">Italiano</a></li>
<li><a href="#" data-lang="nl" class="language-option">Nederlands</a></li>
<li><a href="#" data-lang="pl" class="language-option">Polski</a></li>
<li><a href="#" data-lang="tr" class="language-option">Türkçe</a></li>
</ul>
</div>
</div>
</div>
</header>
<!-- =========================================
Main Content
========================================= -->
<main id="main">
<!-- =========================================
Hero Section
========================================= -->
<section id="home" class="hero">
<div class="container hero__grid">
<div class="hero__content">
<span class="eyebrow">Full-Stack Developer & Content Creator</span>
<h1 class="h1">Hello, I'm <span class="accent">DavidHE</span></h1>
<p class="lead">
Over 3 years of full-stack development experience, specializing in building large-scale, high-performance,
and scalable web applications. Combining digital content creation and media experience to deliver
comprehensive solutions.
</p>
<ul class="chips">
<li class="chip">Full-Stack Development</li>
<li class="chip">AI Tools & Ecosystem</li>
<li class="chip">Content Creation</li>
<li class="chip">Digital Media</li>
</ul>
<div class="cta">
<a href="#work" class="btn btn--primary">Explore My Work</a>
<a href="#contact" class="btn btn--secondary">Get in Touch</a>
<a href="cv.html" class="btn btn--secondary cv-download" target="_blank">Download CV</a>
</div>
<div class="stats">
<div class="stat">
<span class="stat__num">3+</span>
<span class="stat__label">Years Experience</span>
</div>
<div class="stat">
<span class="stat__num">10000</span>
<span class="stat__label">Followers</span>
</div>
<div class="stat">
<span class="stat__num">Full-Stack</span>
<span class="stat__label">Developer</span>
</div>
</div>
</div>
<div class="hero__figure">
<img class="hero__3d" src="static/assets/hero-3d.png"
alt="Abstract 3D illustration representing innovation" />
</div>
</div>
<div class="band" aria-hidden="true"></div>
</section>
<!-- =========================================
About Section
========================================= -->
<section id="about" class="section about">
<div class="container">
<header class="section__head">
<h2 class="h2">Crafting Digital Excellence</h2>
<p class="lead">
Over 3 years of full-stack experience, specializing in building large-scale, high-performance, and scalable
web applications. Comfortable across the entire product lifecycle—from front-end interface design to
back-end business logic and databases—across multiple technology stacks.
</p>
</header>
<div class="about__grid">
<article class="card about__profile">
<div class="profile__media">
<img class="profile__photo" src="static/assets/david-photo.jpg" alt="DavidHE professional portrait"
loading="lazy" />
<span class="profile__badge">✨ Full-Stack Developer</span>
</div>
<div class="profile__body">
<h3 class="h3">Dedicated to User-Centered Innovation</h3>
<p class="body-lg muted">
I build large-scale web applications with strong performance and scalability. I combine solid
engineering with hands-on digital content experience to deliver end-to-end, effective solutions.
</p>
<p class="body-sm muted" style="margin-top: 1rem;">
<strong>Personal Information:</strong><br>
My name is Nguyen Dai Hoang, and I am currently a 3rd-year student majoring in Information Technology at
the International Training Institute of Thai Nguyen University of Information and Communication
Technology (ICTU).
</p>
<div class="tags" style="margin-top: 1rem;">
<span class="tag">Full-Stack</span>
<span class="tag">AI Tools</span>
<span class="tag">Content Creator</span>
</div>
<div style="margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border-color, #e0e0e0);">
<p style="margin-bottom: 0.75rem; font-size: 0.875rem; font-weight: 600;">Visit my school:</p>
<div style="display: flex; gap: 1rem; align-items: center;">
<a href="https://www.facebook.com/ictu.vn" target="_blank" rel="noopener noreferrer"
style="display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none; color: #1877F2; font-size: 0.875rem; transition: transform 0.2s;"
onmouseover="this.style.transform='scale(1.1)'" onmouseout="this.style.transform='scale(1)'"
title="Visit ICTU Facebook">
<svg width="20" height="20" viewBox="0 0 24 24" fill="currentColor"
xmlns="http://www.w3.org/2000/svg">
<path
d="M24 12.073c0-6.627-5.373-12-12-12s-12 5.373-12 12c0 5.99 4.388 10.954 10.125 11.854v-8.385H7.078v-3.47h3.047V9.43c0-3.007 1.792-4.669 4.533-4.669 1.312 0 2.686.235 2.686.235v2.953H15.83c-1.491 0-1.956.925-1.956 1.874v2.25h3.328l-.532 3.47h-2.796v8.385C19.612 23.027 24 18.062 24 12.073z" />
</svg>
<span>Facebook</span>
</a>
<a href="https://ictu.vn/" target="_blank" rel="noopener noreferrer"
style="display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none; color: #14b89c; font-size: 0.875rem; transition: transform 0.2s;"
onmouseover="this.style.transform='scale(1.1)'" onmouseout="this.style.transform='scale(1)'"
title="Visit ICTU Website">
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg">
<circle cx="12" cy="12" r="10"></circle>
<line x1="2" y1="12" x2="22" y2="12"></line>
<path
d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z">
</path>
</svg>
<span>Website</span>
</a>
</div>
</div>
</div>
</article>
<article class="card about__info">
<h3 class="h3">Core Principles</h3>
<ul class="list">
<li>Simplicity & elegance in design</li>
<li>User empathy & accessibility</li>
<li>Scalable, maintainable code</li>
<li>Continuous learning & adaptation</li>
</ul>
<p class="quote">
"I believe in creating software that solves real problems while elevating user satisfaction."
</p>
</article>
</div>
</div>
</section>
<!-- =========================================
Hobbies Section (Masonry gallery + upload)
========================================= -->
<section id="hobbies" class="section hobbies">
<div class="container">
<header class="section__head">
<h2 class="h2">Hobbies </h2>
</header>
<!-- Masonry grid -->
<div id="hobbyGrid" class="masonry">
<!-- 8 ảnh mẫu (bạn có thể thay đường dẫn sang static của Flask) -->
<figure class="masonry__item">
<img src="static/assets/hobby-1.jpg" alt="Quiet street at sunset" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-2.jpg" alt="Minimal desk setup by the window" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-3.jpg" alt="Morning coffee and sketchbook" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-4.jpg" alt="Running in misty park" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-5.jpg" alt="Reading corner at night" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-6.jpg" alt="Cozy coffee shop" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-7.jpg" alt="Mountains and lake view" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-8.jpg" alt="Creative desk with drawings" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-9.jpg" alt="Creative 9" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-10.jpg" alt="Creative 9" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-11.jpg" alt="Running in misty park" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-12.jpg" alt="Running in misty park" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-13.jpg" alt="Running in misty park" loading="lazy" />
</figure>
<figure class="masonry__item">
<img src="static/assets/hobby-14.jpg" alt="Running in misty park" loading="lazy" />
</figure>
</div>
</div>
</section>
<!-- =========================================
Skills Section
========================================= -->
<section id="skills" class="section skills">
<div class="container">
<header class="section__head">
<h2 class="h2">Technical Proficiency</h2>
</header>
<div class="skills__wrap">
<!-- Full-stack -->
<article class="card skill">
<div class="skill__head">
<h3 class="h3">Full-stack Web Development</h3>
</div>
<p class="muted">
Over 3 years of full-stack experience, specializing in large-scale, high-performance, and scalable web
apps.
</p>
<ul class="badges">
<li>HTML5/CSS3</li>
<li>JavaScript/ES6+</li>
<li>Next.js (Basic)</li>
<li>APIs (integration, consumption & design)</li>
<li>Python</li>
<li>.NET Core (C#)</li>
<li>RESTful APIs</li>
<li>SQL (DB design & queries)</li>
<li>Docker</li>
<li>AWS (basic cloud services)</li>
<li>CI/CD (Basic)</li>
<li>Performance Tuning</li>
</ul>
</article>
<!-- AI Tools -->
<article class="card skill">
<div class="skill__head">
<h3 class="h3">AI Tools & Ecosystem</h3>
</div>
<p class="muted">
Using modern AI tools to accelerate development and improve product quality.
</p>
<ul class="badges">
<li>Visual Studio Code</li>
<li>Visual Studio 2022</li>
<li>Cursor (AI Assistant)</li>
<li>GitHub Copilot / Tabnine</li>
<li>Claude (LLM)</li>
<li>Grok (LLM)</li>
<li>GPT (LLM)</li>
<li>Gemini (LLM)</li>
<li>Google AI Studio</li>
</ul>
</article>
<!-- Content -->
<article class="card skill">
<div class="skill__head">
<h3 class="h3">Digital Content Creation & Media</h3>
</div>
<p class="muted">
Hands-on experience building a personal brand and engaging audiences on digital platforms.
</p>
<ul class="badges">
<li>TikTok (9K+ Followers)</li>
<li>CapCut (quick editing)</li>
<li>Content strategy</li>
<li>Streamer / YouTuber</li>
<li>Adobe Premiere Pro</li>
<li>Photoshop (Thumbnail/Image Design)</li>
<li>MC at TNTV</li>
<li>Scriptwriting</li>
<li>Media content creation</li>
</ul>
</article>
</div>
</div>
</section>
<!-- =========================================
Portfolio Section
========================================= -->
<section id="work" class="section portfolio">
<div class="container">
<header class="section__head">
<h2 class="h2">Work</h2>
<p class="lead">
</p>
</header>
<div class="grid grid--3">
<!-- Project 7: Cờ Tướng GenZ -->
<article class="work card" data-blog-modal="project-cotuong-detail">
<div class="work__media">
<img src="static/assets/project co tuonggenz.png" alt="Cờ Tướng GenZ" loading="lazy" />
</div>
<div class="work__body">
<div class="work-meta">
<span>GAME</span>
<span class="dot">·</span>
<span>React, Next.js</span>
</div>
<h3 class="h3">Cờ Tướng GenZ — Modern Chess</h3>
</div>
</article>
<!-- Project 4: IELTS Pro -->
<article class="work card" data-blog-modal="project-ielts-detail">
<div class="work__media">
<img src="static/assets/project-ielts.jpg" alt="IELTS Pro" loading="lazy" />
</div>
<div class="work__body">
<div class="work-meta">
<span>EDUCATION</span>
<span class="dot">·</span>
<span>React, Next.js, Tailwind</span>
</div>
<h3 class="h3">IELTS Pro — Exam Prep Platform</h3>
</div>
</article>
<!-- Project 5: Ice Tea -->
<article class="work card" data-blog-modal="project-icetea-detail">
<div class="work__media">
<img src="static/assets/project-icetea.jpg" alt="Ice Tea" loading="lazy" />
</div>
<div class="work__body">
<div class="work-meta">
<span>WEB DESIGN</span>
<span class="dot">·</span>
<span>React, Vite, CSS</span>
</div>
<h3 class="h3">Ice Tea — Tea Culture Web</h3>
</div>
</article>
<!-- Project 6: Game Vui Dòng Tiền Việt Nam -->
<article class="work card" data-blog-modal="project-cashflow-detail">
<div class="work__media">
<img src="static/assets/project-cashflow.jpg" alt="Game Vui Dòng Tiền" loading="lazy" />
</div>
<div class="work__body">
<div class="work-meta">
<span>GAME</span>
<span class="dot">·</span>
<span>Phaser, JavaScript</span>
</div>
<h3 class="h3">Game Vui Dòng Tiền VN</h3>
</div>
</article>
<!-- Project 1: HE Coffee -->
<article class="work card" data-blog-modal="project-coffee-detail">
<div class="work__media">
<img src="static/assets/project-1.jpg" alt="HE Coffee" loading="lazy" />
</div>
<div class="work__body">
<div class="work-meta">
<span>SYSTEM</span>
<span class="dot">·</span>
<span>Python, JS</span>
</div>
<h3 class="h3">HE Coffee — Cafe Management App</h3>
</div>
</article>
<!-- Project 2: LearnLangs -->
<article class="work card" data-blog-modal="project-learnlangs-detail">
<div class="work__media">
<img src="static/assets/project-2.jpg" alt="LearnLangs" loading="lazy" />
</div>
<div class="work__body">
<div class="work-meta">
<span>AI EDUCATION</span>
<span class="dot">·</span>
<span>C#, .NET, Blazor</span>
</div>
<h3 class="h3">LearnLangs — Language App</h3>
</div>
</article>
<!-- Project 3: typingtest -->
<article class="work card" data-blog-modal="project-typing-detail">
<div class="work__media">
<img src="static/assets/project-3.jpg" alt="typingtest" loading="lazy" />
</div>
<div class="work__body">
<div class="work-meta">
<span>TOOL</span>
<span class="dot">·</span>
<span>Python, JS</span>
</div>
<h3 class="h3">typingtest — Typing Practice App</h3>
</div>
</article>
<!-- (Optional) Thêm project khác ở đây với tên & stack riêng -->
<!--
<article class="work card"> ... </article>
-->
</div>
</div>
</section>
<!-- =========================================
Blog Section
========================================= -->
<section id="blog" class="section blog">
<div class="container">
<header class="section__head">
<h2 class="h2">Latest Articles</h2>
</header>
<div class="blog__slider">
<button class="blog__nav blog__nav--prev" aria-label="Previous articles">‹</button>
<div class="blog__track">
<!-- Blog 10: Clean Code Bible (Engineering/Master Guide) -->
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<div class="blog__media">
<img src="static/assets/blog-engineering.jpg" alt="The Clean Code Bible" loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>Engineering</span>
<span class="dot">·</span>
<span>25 min read</span>
</div>
<h3 class="h3">The Clean Code Bible: The Definitive Guide to Engineering Excellence</h3>
</div>
</article>
<!-- Blog 9: Warren Buffett Mindset (Finance) -->
<article class="blog__card card" data-blog-modal="blog-buffett-detail">
<div class="blog__media">
<img src="static/assets/blog-buffett.jpg" alt="Warren Buffett Investment Mindset" loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>Finance</span>
<span class="dot">·</span>
<span>8 min read</span>
</div>
<h3 class="h3">Market Truths Unveiled: 5 Life-Changing Mindsets from Warren Buffett</h3>
</div>
</article>
<!-- Blog 1: Zero to One (Engineering/Strategy) -->
<article class="blog__card card" data-blog-modal="blog-zero-to-one-detail">
<div class="blog__media">
<img src="static/assets/zero_to_one_cover.png" alt="Zero to One - Peter Thiel" loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>Engineering</span>
<span class="dot">·</span>
<span>6 min read</span>
</div>
<h3 class="h3">Zero to One: Don't Become an "Obsolete" Version of Someone Else</h3>
</div>
</article>
<!-- Blog 2: Don't Blame Technology (Inspiration) -->
<article class="blog__card card" data-blog-modal="blog-dont-blame-tech-detail">
<div class="blog__media">
<img src="static/assets/dont_blame_tech_cover_realistic.png" alt="Customer disruption" loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>Inspiration</span>
<span class="dot">·</span>
<span>5 min read</span>
</div>
<h3 class="h3">Don't Blame Technology: Is the Customer Disrupted Your Business?</h3>
</div>
</article>
<!-- Blog 3: National Scientific Conference (News) -->
<article class="blog__card card" data-blog-modal="blog-conference-detail">
<div class="blog__media">
<img src="static/assets/hoithaoneu1.jpg" alt="Scientific Conference" loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>News</span>
<span class="dot">·</span>
<span>4 min read</span>
</div>
<h3 class="h3">Honored to Attend and Participate in National Scientific Conference</h3>
</div>
</article>
<!-- Blog 4: Achievement (Engineering) -->
<article class="blog__card card" data-blog-modal="blog-achievement-detail">
<div class="blog__media">
<img src="static/assets/blog-achievement-1.jpg" alt="Achievement Unlocked: Second Prize Winner"
loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>Engineering</span>
<span class="dot">·</span>
<span>3 min read</span>
</div>
<h3 class="h3">[Achievement Unlocked] Proud Winner of the Second Prize! 🥈</h3>
</div>
</article>
<!-- Blog 5: Seminar (Research) -->
<article class="blog__card card" data-blog-modal="blog-seminar-detail">
<div class="blog__media">
<img src="static/assets/blog-1.jpg" alt="Specialized seminar" loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>Research</span>
<span class="dot">·</span>
<span>5 min read</span>
</div>
<h3 class="h3">Seminar: Advanced Technology Applications in Biomedical Science</h3>
</div>
</article>
<!-- Blog 6: Dr. Lin (Inspiration) -->
<article class="blog__card card" data-blog-modal="blog-dr-lin-detail">
<div class="blog__media">
<img src="static/assets/blog-2.1.jpg" alt="Immersing in AI with Dr. Lin" loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>Inspiration</span>
<span class="dot">·</span>
<span>6 min read</span>
</div>
<h3 class="h3">From Student to Discussion Partner: Immersing in AI with Dr. Lin (FCU)</h3>
</div>
</article>
<!-- Blog 7: MC Experience (Media) -->
<article class="blog__card card" data-blog-modal="blog-mc-experience-detail">
<div class="blog__media">
<img src="static/assets/landieuthen.jpg" alt="MC Experience" loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>Media</span>
<span class="dot">·</span>
<span>7 min read</span>
</div>
<h3 class="h3">MC Experience at Thai Nguyen Newspaper and Television Broadcasting</h3>
</div>
</article>
<!-- Blog 8: English Club (Experience) -->
<article class="blog__card card" data-blog-modal="blog-english-club-detail">
<div class="blog__media">
<img src="static/assets/blog-1312.jpg" alt="English Club President" loading="lazy" />
</div>
<div class="blog__body">
<div class="blog-meta">
<span>Experience</span>
<span class="dot">·</span>
<span>5 min read</span>
</div>
<h3 class="h3">My Journey as English Club President</h3>
</div>
</article>
</div>
<button class="blog__nav blog__nav--next" aria-label="Next articles">›</button>
<div class="blog__dots" role="tablist" aria-label="Blog slides"></div>
</div>
</div>
</section>
<!-- =========================================
Project Modals (Case Studies)
========================================= -->
<!-- 1. Cờ Tướng GenZ -->
<div id="project-cotuong-detail" class="blog-modal-overlay">
<div class="blog-modal">
<button class="blog-modal__close" aria-label="Close modal">×</button>
<div class="blog-modal__content">
<article class="blog-article">
<header class="blog-article__header">
<span class="tag">Game Development</span>
<h1 class="h1">Cờ Tướng GenZ — Modernizing a Classic</h1>
<p class="blog-article__meta body-sm muted">
<span>Tech: React, Next.js, Tailwind CSS</span>
</p>
</header>
<div class="blog-article__content">
<p class="lead">How can we make a centuries-old game appeal to the TikTok generation? That was the core
challenge behind Cờ Tướng GenZ.</p>
<figure class="blog-article__image">
<img src="static/assets/project co tuonggenz.png" alt="Cờ Tướng GenZ" />
</figure>
<p>This project isn't just about the rules of chess; it's about the <strong>experience</strong>. By
combining a vibrant GenZ aesthetic with smooth animations and a responsive interface, we've transformed
the traditional Chinese Chess into something fresh and exciting.</p>
<h2>Key Features</h2>
<ul>
<li>Modern UI/UX with neon accents.</li>
<li>Real-time gameplay logic.</li>
<li>Mobile-first responsive design.</li>
</ul>
<div style="margin-top: 4rem; text-align: center;">
<a href="https://cotuonggenz.vercel.app/" target="_blank" class="btn btn--primary"
style="padding: 1rem 3rem; font-size: 1.2rem;">Experience Live Demo →</a>
</div>
</div>
</article>
</div>
</div>
</div>
<!-- 2. IELTS Pro -->
<div id="project-ielts-detail" class="blog-modal-overlay">
<div class="blog-modal">
<button class="blog-modal__close" aria-label="Close modal">×</button>
<div class="blog-modal__content">
<article class="blog-article">
<header class="blog-article__header">
<span class="tag">Education Tech</span>
<h1 class="h1">IELTS Pro — Your Digital Learning Companion</h1>
<p class="blog-article__meta body-sm muted">
<span>Tech: Next.js, Tailwind, Vercel</span>
</p>
</header>
<div class="blog-article__content">
<p class="lead">Mastering IELTS requires more than just books; it requires an interactive environment that
tracks your progress and sharpens your skills.</p>
<figure class="blog-article__image">
<img src="static/assets/project-ielts.jpg" alt="IELTS Pro" />
</figure>
<p>IELTS Pro was designed to simplify the preparation process. From simulated listening tests to reading
modules, every feature is optimized for student success. The platform uses Next.js for lightning-fast
performance and a clean UI to keep learners focused on what matters.</p>
<div style="margin-top: 4rem; text-align: center;">
<a href="https://ielts-pro-gules.vercel.app/" target="_blank" class="btn btn--primary"
style="padding: 1rem 3rem; font-size: 1.2rem;">Start Learning Now →</a>
</div>
</div>
</article>
</div>
</div>
</div>
<!-- 3. Ice Tea -->
<div id="project-icetea-detail" class="blog-modal-overlay">
<div class="blog-modal">
<button class="blog-modal__close" aria-label="Close modal">×</button>
<div class="blog-modal__content">
<article class="blog-article">
<header class="blog-article__header">
<span class="tag">Web Design & Culture</span>
<h1 class="h1">Ice Tea — A Digital Journey into Tea Culture</h1>
<p class="blog-article__meta body-sm muted">
<span>Tech: React, Vite, Modern CSS</span>
</p>
</header>
<div class="blog-article__content">
<p class="lead">Tea is not just a drink; it's a culture. This web experience was built to celebrate that
heritage in a modern digital space.</p>
<figure class="blog-article__image">
<img src="static/assets/project-icetea.jpg" alt="Ice Tea Culture" />
</figure>
<p>The goal of Ice Tea Web was to create an atmosphere of tranquility. Through minimalist design, soft
typography, and elegant imagery, the site invites visitors to explore premium tea varieties and the
stories behind them.</p>
<div style="margin-top: 4rem; text-align: center;">
<a href="https://icetea-web.vercel.app/" target="_blank" class="btn btn--primary"
style="padding: 1rem 3rem; font-size: 1.2rem;">Explore the Culture →</a>
</div>
</div>
</article>
</div>
</div>
</div>
<!-- 4. Game Dòng Tiền -->
<div id="project-cashflow-detail" class="blog-modal-overlay">
<div class="blog-modal">
<button class="blog-modal__close" aria-label="Close modal">×</button>
<div class="blog-modal__content">
<article class="blog-article">
<header class="blog-article__header">
<span class="tag">Edu-Gaming</span>
<h1 class="h1">Game Vui Dòng Tiền — Financial Wisdom for Vietnam</h1>
<p class="blog-article__meta body-sm muted">
<span>Tech: Phaser, JavaScript, Web Design</span>
</p>
</header>
<div class="blog-article__content">
<p class="lead">Why is financial literacy so hard to teach? Because it needs to be fun. This game makes
managing money an adventure.</p>
<figure class="blog-article__image">
<img src="static/assets/project-cashflow.jpg" alt="Game Cash Flow" />
</figure>
<p>Inspired by the classic Cashflow game but tailored specifically for the Vietnamese market, this project
helps players understand investment, saving, and wealth management through a fun, interactive
simulation.</p>
<div style="margin-top: 4rem; text-align: center;">
<a href="https://game-cash-flow.vercel.app/" target="_blank" class="btn btn--primary"
style="padding: 1rem 3rem; font-size: 1.2rem;">Play Game Now →</a>
</div>
</div>
</article>
</div>
</div>
</div>
<!-- =========================================
Blog Modal Overlay: Warren Buffett
========================================= -->
<div id="blog-buffett-detail" class="blog-modal-overlay">
<div class="blog-modal">
<button class="blog-modal__close" aria-label="Close modal">×</button>
<div class="blog-modal__content">
<article class="blog-article">
<header class="blog-article__header">
<span class="tag">Finance & Wisdom</span>
<h1 class="h1">Market Truths Unveiled: 5 Life-Changing Mindsets from Warren Buffett to Make Your Money Work for You</h1>
<p class="blog-article__meta body-sm muted">
<time datetime="2026-03-02">March 02, 2026</time>
<span>By DavidHE | Financial Wisdom Series</span>
</p>
</header>
<div class="blog-article__content">
<p class="lead">
Did you know that a single Class A share of Berkshire Hathaway, led by Warren Buffett, now costs over $600,000—equivalent to nearly 15 billion VND? Over the past 60 years, their return has reached a staggering 5.5 million percent.
</p>
<p>
The stock market is not a coin-toss game for gamblers. From the perspective of value investing, here are 5 "peak" mindsets from the Oracle of Omaha that can shatter illusions of quick wealth and help you build a real fortune.
</p>
<figure class="blog-article__image">
<img src="static/assets/blog-buffett.jpg" alt="Warren Buffett Value Investing Philosophy" loading="lazy" />
<figcaption class="body-sm muted">"Price is what you pay, value is what you get."</figcaption>
</figure>
<h2 class="h2">1. Think Like a "Bargain-Hunting Housewife"</h2>
<p>
Warren Buffett has an iron rule: <strong>"Price is what you pay, value is what you get."</strong> Your mission is to buy stocks when their price is significantly lower than their intrinsic value.
</p>
<p>
It sounds easy, but 90% of investors do the opposite! When you go shopping for clothes or food and see a "Sale off" sign, you rush in. Yet in the stock market, when good stocks are being sold off at bargain prices, the crowd panics and sells at a loss; when prices skyrocket to the peak, they excitedly jump in. Stay sharp: The ultimate rule is to buy low and sell high!
</p>
<h2 class="h2">2. Stop the Overnight Wealth Illusion: "Patience is a Virtue"</h2>
<p>
Many enter the market with a "grab-and-go" mentality, wanting to force a business to yield double-digit profits in just a few days. That is not investing; that is gambling! Rushing to get rich only leads to mistakes or even bankruptcy.
</p>
<p>
Buffett struck a decisive blow to this mindset with a witty but harsh analogy: <em>"No matter how great the talent or efforts, some things just take time. You can't produce a baby in one month by getting nine women pregnant."</em>
</p>
<div class="practical-tip-box" style="background: rgba(20, 184, 156, 0.08); border-left: 5px solid #14b89c; padding: 1.5rem; margin: 2rem 0; border-radius: 0 0.75rem 0.75rem 0; box-shadow: 0 4px 12px rgba(0,0,0,0.05);">
<p style="margin: 0; font-weight: 500; line-height: 1.6; color: var(--text-color, #333);">
🔥 <strong>Practical Tip:</strong> If you're new, don't throw a massive amount of money in at once. Patiently test the waters with $20-$40 (500k-1M VND) every month for at least 3 to 4 years before increasing your capital.
</p>
</div>
<h2 class="h2">3. Don't Try to Jump a 7-Foot Bar; Step Over 10 8-Inch Steps!</h2>
<p>
Do you think having a modest salary or not having a 160 IQ like Newton means you can't get rich? Wrong! In fact, even Newton once lost his fortune due to the madness of the stock market.
</p>
<p>
Buffett points out: <strong>"You don't need to do extraordinary things to get extraordinary results."</strong> Instead of trying to jump a 7-foot bar and risking a broken leg, walk through 10 steps, each only 8 inches high, in a steady manner—slow but sure. Opportunity is for everyone; you just need to consistently do the simple things well.
</p>
<h2 class="h2">4. Master Your Emotions: When to be Greedy, When to be Fearful?</h2>
<p>
The classic mantra everyone knows: <em>"Be greedy when others are fearful and vice versa."</em> But the crowd usually gets it backwards!
</p>
<p>
You shouldn't blindly "buy the dip" just because a stock dropped for one session, nor should you panic-sell when the market just starts to recover. The secret lies in <strong>Valuation</strong>:
</p>
<ul>
<li><strong>Be greedy</strong> and accumulate stocks when others are in absolute panic, provided that the asset's valuation is extremely cheap.</li>
<li><strong>Be fearful</strong> and withdraw when others are overly euphoric, pushing valuations to ridiculously expensive levels.</li>
</ul>
<h2 class="h2">5. Risk Management: "Only When the Tide Goes Out..."</h2>
<p>
In an uptrend, everyone claims to be an expert because almost everything they buy turns a profit. But only when the market crashes (the tide goes out) do you find out who has actually been keeping their money. Unskilled "surfers" who ignore risk management will be swept away completely.
</p>