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<!DOCTYPE html>
<html lang="en" class="scroll-smooth">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Zac Duffin Chambers</title>
<meta name="description" content="Zac Duffin Chambers. Student of cybersecurity, artificial intelligence, server infrastructure and Linux systems.">
<meta property="og:title" content="Zac Duffin Chambers">
<meta property="og:description" content="Cybersecurity, artificial intelligence, server infrastructure and Linux systems.">
<meta property="og:type" content="website">
<link rel="icon" href='data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32"><rect width="32" height="32" fill="%23ffffff"/><path d="M8 9h16l-12 14h12" stroke="%23e10600" stroke-width="2.5" fill="none"/></svg>'>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Space+Grotesk:wght@400;500;600;700&display=swap" rel="stylesheet">
<script src="https://cdn.tailwindcss.com"></script>
<script>
tailwind.config = {
theme: {
extend: {
colors: {
paper: '#fdfcfb',
ink: '#181512',
soft: '#6f6a66',
rule: 'rgba(24,21,18,0.12)',
red: '#e10600',
reddim: 'rgba(225,6,0,0.08)',
},
fontFamily: {
sans: ['"Space Grotesk"', 'sans-serif'],
mono: ['"JetBrains Mono"', 'monospace'],
},
}
}
}
</script>
<style>
:root{
--paper:#fdfcfb;
--ink:#181512;
--soft:#6f6a66;
--rule:rgba(24,21,18,.12);
--red:#e10600;
}
html{ background:var(--paper); }
body{
background:var(--paper);
color:var(--ink);
font-family:'Space Grotesk',sans-serif;
-webkit-font-smoothing:antialiased;
overflow-x:hidden;
}
::selection{ background:var(--red); color:#fff; }
/* scrollbar */
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background:var(--paper); }
::-webkit-scrollbar-thumb{ background:#ddd8d4; border:2px solid var(--paper); }
::-webkit-scrollbar-thumb:hover{ background:var(--red); }
*{ scrollbar-width:thin; scrollbar-color:#ddd8d4 var(--paper); }
/* topographic canvas */
#topo{
position:fixed; inset:0; z-index:0; pointer-events:none;
width:100%; height:100%;
}
/* small caps label */
.t-label{
font-family:'JetBrains Mono',monospace;
font-size:.625rem; letter-spacing:.18em; text-transform:uppercase;
color:var(--soft);
}
/* cards */
.card{
background:#fff;
border:1px solid var(--rule);
transition:border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.card:hover{
border-color:rgba(225,6,0,.45);
transform:translateY(-3px);
box-shadow:0 12px 32px -18px rgba(24,21,18,.18);
}
/* buttons */
.btn{
position:relative; display:inline-flex; align-items:center; gap:.55rem;
font-family:'JetBrains Mono',monospace; font-size:.6875rem; letter-spacing:.14em;
text-transform:uppercase; padding:.8rem 1.4rem; white-space:nowrap;
border:1px solid var(--ink); color:var(--ink); background:#fff;
overflow:hidden; cursor:pointer; transition:color .3s, border-color .3s;
}
.btn::before{
content:''; position:absolute; inset:0; background:var(--ink);
transform:translateX(-101%); transition:transform .35s cubic-bezier(.77,0,.18,1);
}
.btn:hover::before{ transform:translateX(0); }
.btn:hover{ color:#fff; }
.btn > *{ position:relative; z-index:1; }
.btn.btn-red{ border-color:var(--red); color:var(--red); }
.btn.btn-red::before{ background:var(--red); }
.btn.btn-red:hover{ color:#fff; }
/* nav */
.nav-link{
font-family:'JetBrains Mono',monospace; font-size:.625rem; letter-spacing:.16em;
text-transform:uppercase; color:var(--soft); position:relative; padding:.25rem 0;
transition:color .25s;
}
.nav-link::after{
content:''; position:absolute; left:0; bottom:-2px; height:1px; width:0;
background:var(--red); transition:width .3s cubic-bezier(.77,0,.18,1);
}
.nav-link:hover{ color:var(--ink); }
.nav-link:hover::after{ width:100%; }
/* section rule */
.sec-rule{ height:1px; flex:1; background:linear-gradient(90deg, rgba(225,6,0,.5), rgba(225,6,0,.06)); }
.sec-num{
font-family:'JetBrains Mono',monospace; font-size:.6875rem; letter-spacing:.2em;
color:var(--red);
}
/* spec rows */
.spec-row{
display:flex; justify-content:space-between; gap:1.5rem; padding:.85rem 0;
border-bottom:1px solid var(--rule); flex-wrap:wrap;
}
.spec-row:last-child{ border-bottom:none; }
.spec-row dt{
font-family:'JetBrains Mono',monospace; font-size:.625rem; letter-spacing:.16em;
text-transform:uppercase; color:var(--soft); padding-top:.15rem;
}
.spec-row dd{ font-size:.9375rem; font-weight:500; text-align:right; }
/* simple tag */
.tag{
font-family:'JetBrains Mono',monospace; font-size:.5625rem; letter-spacing:.12em;
text-transform:uppercase; padding:.3rem .6rem;
border:1px solid var(--rule); color:var(--soft); white-space:nowrap;
transition:border-color .25s, color .25s;
}
.card:hover .tag{ border-color:rgba(225,6,0,.3); color:var(--ink); }
/* link rows */
.link-row{
display:flex; align-items:center; justify-content:space-between;
border:1px solid var(--rule); background:#fff; padding:1rem 1.2rem;
transition:border-color .25s;
}
.link-row:hover{ border-color:rgba(225,6,0,.45); }
.link-row:hover .arrow{ transform:translate(3px,-3px); color:var(--red); }
.arrow{ transition:transform .3s, color .3s; color:var(--soft); font-family:'JetBrains Mono',monospace; }
/* reveal on scroll */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s cubic-bezier(.2,.65,.2,1), transform .7s cubic-bezier(.2,.65,.2,1); }
.reveal.in{ opacity:1; transform:none; }
.reveal[data-delay="1"]{ transition-delay:.08s; }
.reveal[data-delay="2"]{ transition-delay:.16s; }
.reveal[data-delay="3"]{ transition-delay:.24s; }
/* ---- interactive 3d server model ----
real chassis is 46.8 x 21.9 x 65.1 cm; faces are scaled at 5px per cm:
width 110, height 234, depth 326 */
.hw3d-stage{
min-height:420px; display:flex; align-items:center; justify-content:center;
perspective:1100px; cursor:grab; touch-action:none; position:relative;
user-select:none; -webkit-user-select:none;
}
.hw3d-stage:active{ cursor:grabbing; }
.hw3d-stage::after{
content:''; position:absolute; left:50%; bottom:34px; width:240px; height:26px;
transform:translateX(-50%);
background:radial-gradient(ellipse at center, rgba(24,21,18,.16), transparent 68%);
}
.hw3d{ position:relative; width:110px; height:234px; transform-style:preserve-3d; }
.f{
position:absolute; left:50%; top:50%; width:110px; height:234px;
backface-visibility:hidden;
}
.f-front{ transform:translate(-50%,-50%) translateZ(163px); background:#1d1e20; border:1px solid #303235; }
.f-back{ transform:translate(-50%,-50%) rotateY(180deg) translateZ(163px); background:#1a1b1d; border:1px solid #2a2c2e; }
.f-right{ width:326px; transform:translate(-50%,-50%) rotateY(90deg) translateZ(55px); background:linear-gradient(90deg,#232527,#1b1c1e); border:1px solid #2a2c2e; }
.f-left{ width:326px; transform:translate(-50%,-50%) rotateY(-90deg) translateZ(55px); background:linear-gradient(90deg,#1b1c1e,#232527); border:1px solid #2a2c2e; }
.f-top{ width:110px; height:326px; transform:translate(-50%,-50%) rotateX(90deg) translateZ(117px); background:#242628; border:1px solid #303235; }
.f-bottom{ width:110px; height:326px; transform:translate(-50%,-50%) rotateX(-90deg) translateZ(117px); background:#141517; }
/* front bezel: media bay, power button, two 8 bay SFF cages, vent grille */
.f-front .mediabay{ position:absolute; top:10px; left:8px; right:28px; height:10px; background:#101113; border:1px solid #2b2d30; }
.f-front .pwr-dot{ position:absolute; top:11px; right:11px; width:8px; height:8px; border-radius:50%; border:1px solid #3c3f43; background:#232527; }
.f-front .cage{
position:absolute; left:8px; right:8px; height:42px;
display:grid; grid-template-columns:repeat(4,1fr); grid-template-rows:repeat(2,1fr); gap:2px;
}
.f-front .cage.c1{ top:30px; }
.f-front .cage.c2{ top:78px; }
.f-front .cage i{ background:#26282b; border:1px solid #35383c; position:relative; }
.f-front .cage i::after{ content:''; position:absolute; right:2px; top:2px; width:2px; height:5px; background:#42464b; }
.f-front .grille{
position:absolute; left:8px; right:8px; top:128px; bottom:24px;
background:repeating-linear-gradient(0deg,#18191b 0 2px,#212325 2px 5px);
border:1px solid #2b2d30;
}
.f-front .badge{
position:absolute; bottom:7px; left:8px;
font-family:'JetBrains Mono',monospace; font-size:7px; letter-spacing:.08em; color:#8d9196;
}
/* rear: io block, dual psus, vent field */
.f-back .io{ position:absolute; left:8px; top:10px; width:44px; height:58px; border:1px solid #2e3134; background:repeating-linear-gradient(90deg,#1b1c1e 0 4px,#232527 4px 8px); }
.f-back .psu{ position:absolute; right:8px; width:40px; height:26px; border:1px solid #2e3134; background:#202224; }
.f-back .psu.p1{ top:10px; }
.f-back .psu.p2{ top:42px; }
.f-back .grille-b{ position:absolute; left:8px; right:8px; top:84px; bottom:10px; background:repeating-linear-gradient(0deg,#17181a 0 2px,#1e2022 2px 4px); }
.view-btn{
font-family:'JetBrains Mono',monospace; font-size:.5625rem; letter-spacing:.12em;
text-transform:uppercase; padding:.3rem .65rem; border:1px solid var(--rule);
color:var(--soft); background:#fff; cursor:pointer; transition:border-color .25s, color .25s;
}
.view-btn:hover, .view-btn.active{ border-color:rgba(225,6,0,.5); color:var(--red); }
section{ scroll-margin-top:84px; position:relative; z-index:1; }
@media (prefers-reduced-motion: reduce){
*, *::before, *::after{ animation-duration:.01ms !important; transition-duration:.01ms !important; }
html{ scroll-behavior:auto; }
}
</style>
</head>
<body>
<canvas id="topo" aria-hidden="true"></canvas>
<!-- ================= HEADER ================= -->
<header class="fixed top-0 inset-x-0 z-50 border-b border-rule bg-paper/85 backdrop-blur-md">
<div class="max-w-6xl mx-auto px-5 sm:px-8 h-16 flex items-center justify-between gap-6">
<a href="#top" class="flex items-center gap-3 group">
<div class="w-8 h-8 border border-ink flex items-center justify-center group-hover:border-red transition-colors">
<span class="font-mono text-xs text-red">Z</span>
</div>
<span class="font-semibold tracking-tight text-sm">Zac Duffin Chambers</span>
</a>
<nav class="hidden md:flex items-center gap-7">
<a class="nav-link" href="#study">Study</a>
<a class="nav-link" href="#homelab">Homelab</a>
<a class="nav-link" href="#projects">Projects</a>
<a class="nav-link" href="#selfhosted">Self-Hosted</a>
<a class="nav-link" href="#markets">Markets</a>
<a class="nav-link" href="#contact">Contact</a>
</nav>
<button id="menu-btn" class="md:hidden w-9 h-9 border border-rule flex flex-col items-center justify-center gap-1.5" aria-label="Menu">
<span class="block w-4 h-px bg-ink transition-transform" id="mb1"></span>
<span class="block w-4 h-px bg-ink transition-opacity" id="mb2"></span>
</button>
</div>
<div id="mobile-menu" class="md:hidden hidden border-t border-rule bg-paper/95 backdrop-blur-md">
<nav class="px-6 py-5 flex flex-col gap-4">
<a class="nav-link" href="#study">Study</a>
<a class="nav-link" href="#homelab">Homelab</a>
<a class="nav-link" href="#projects">Projects</a>
<a class="nav-link" href="#selfhosted">Self-Hosted</a>
<a class="nav-link" href="#markets">Markets</a>
<a class="nav-link" href="#contact">Contact</a>
</nav>
</div>
</header>
<main id="top" class="relative z-10">
<!-- ================= HERO ================= -->
<section class="min-h-[92vh] flex flex-col justify-center pt-24 pb-16">
<div class="max-w-6xl mx-auto px-5 sm:px-8 w-full">
<p class="t-label mb-6 reveal">Student, United Kingdom</p>
<h1 class="text-4xl sm:text-5xl lg:text-6xl font-semibold tracking-tight leading-tight mb-6 reveal" data-delay="1">
Zac Duffin Chambers
</h1>
<p class="text-soft text-base sm:text-lg leading-relaxed max-w-2xl mb-10 reveal" data-delay="2">
I study cybersecurity, artificial intelligence, server infrastructure and
linux systems, I also trade stocks part time. This site covers what I am
working on, the server I run it on and the software I use.
</p>
<div class="flex flex-wrap gap-3 reveal" data-delay="3">
<a class="btn btn-red" href="https://github.com/SC4RT" target="_blank" rel="noopener">
<span>GitHub</span><span>↗</span>
</a>
<a class="btn" href="https://www.linkedin.com/in/zacduffinchambers/" target="_blank" rel="noopener">
<span>LinkedIn</span><span>↗</span>
</a>
<a class="btn" href="mailto:zacchambers@z4c.co.uk">
<span>Email</span><span>→</span>
</a>
</div>
</div>
</section>
<!-- ================= 01 STUDY ================= -->
<section id="study" class="py-24">
<div class="max-w-6xl mx-auto px-5 sm:px-8">
<div class="flex items-center gap-5 mb-4 reveal">
<span class="sec-num">01</span>
<div class="sec-rule"></div>
</div>
<h2 class="text-3xl sm:text-4xl font-semibold tracking-tight mb-3 reveal">Fields of Study</h2>
<p class="text-soft max-w-xl mb-12 reveal" data-delay="1">
The four areas I spend most of my time on.
</p>
<div class="grid sm:grid-cols-2 gap-5">
<article class="card p-7 reveal">
<div class="flex items-start justify-between mb-6">
<svg class="w-6 h-6 text-red" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
<path d="M12 2.5 4 5.5v6c0 4.7 3.4 8.4 8 10 4.6-1.6 8-5.3 8-10v-6l-8-3z"/>
<path d="M9.2 12l2 2 3.8-4"/>
</svg>
<span class="t-label">01</span>
</div>
<h3 class="text-lg font-semibold tracking-tight mb-2.5">Cybersecurity</h3>
<p class="text-sm text-soft leading-relaxed mb-6">
How systems are attacked and defended. I focus on network security,
common vulnerabilities and hands-on practice in a safe lab environment.
</p>
<div class="flex flex-wrap gap-2">
<span class="tag">Network security</span><span class="tag">Vulnerabilities</span><span class="tag">Practice labs</span>
</div>
</article>
<article class="card p-7 reveal" data-delay="1">
<div class="flex items-start justify-between mb-6">
<svg class="w-6 h-6 text-red" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
<circle cx="5" cy="12" r="2.2"/><circle cx="19" cy="5.5" r="2.2"/><circle cx="19" cy="18.5" r="2.2"/>
<path d="M7 11l9.8-4.6M7 13l9.8 4.6M19 7.7v8.6"/>
</svg>
<span class="t-label">02</span>
</div>
<h3 class="text-lg font-semibold tracking-tight mb-2.5">Artificial Intelligence</h3>
<p class="text-sm text-soft leading-relaxed mb-6">
How machine learning models are built, trained and used, and where
AI and security overlap.
</p>
<div class="flex flex-wrap gap-2">
<span class="tag">Machine learning</span><span class="tag">Neural networks</span><span class="tag">Model training</span>
</div>
</article>
<article class="card p-7 reveal" data-delay="2">
<div class="flex items-start justify-between mb-6">
<svg class="w-6 h-6 text-red" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
<rect x="4" y="3.5" width="16" height="5.4"/><rect x="4" y="9.3" width="16" height="5.4"/>
<rect x="4" y="15.1" width="16" height="5.4"/>
<path d="M7 6.2h.01M7 12h.01M7 17.8h.01" stroke-linecap="round" stroke-width="2"/>
</svg>
<span class="t-label">03</span>
</div>
<h3 class="text-lg font-semibold tracking-tight mb-2.5">Server Infrastructure</h3>
<p class="text-sm text-soft leading-relaxed mb-6">
Running physical servers and storage, and keeping everything
reliable and organised.
</p>
<div class="flex flex-wrap gap-2">
<span class="tag">Containers</span><span class="tag">Storage</span><span class="tag">Networking</span>
</div>
</article>
<article class="card p-7 reveal" data-delay="3">
<div class="flex items-start justify-between mb-6">
<svg class="w-6 h-6 text-red" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
<path d="M4.5 5.5 10 12l-5.5 6.5" stroke-linecap="round" stroke-linejoin="round"/>
<path d="M12.5 18.5h7" stroke-linecap="round"/>
</svg>
<span class="t-label">04</span>
</div>
<h3 class="text-lg font-semibold tracking-tight mb-2.5">Linux Systems</h3>
<p class="text-sm text-soft leading-relaxed mb-6">
Day to day system administration and shell scripting across
different distributions.
</p>
<div class="flex flex-wrap gap-2">
<span class="tag">Debian</span><span class="tag">Arch</span><span class="tag">Kali</span>
</div>
</article>
</div>
</div>
</section>
<!-- ================= 02 HOMELAB ================= -->
<section id="homelab" class="py-24">
<div class="max-w-6xl mx-auto px-5 sm:px-8">
<div class="flex items-center gap-5 mb-4 reveal">
<span class="sec-num">02</span>
<div class="sec-rule"></div>
</div>
<h2 class="text-3xl sm:text-4xl font-semibold tracking-tight mb-3 reveal">Homelab</h2>
<p class="text-soft max-w-xl mb-12 reveal" data-delay="1">
My main server. It runs my containers and self-hosted services.
</p>
<div class="grid lg:grid-cols-2 gap-5 mb-5">
<!-- interactive 3d model, built to the real chassis proportions -->
<div class="card reveal flex flex-col">
<div class="flex items-center justify-between px-6 pt-5">
<p class="t-label">HP Enterprise ML350 Gen9</p>
<div class="flex gap-2">
<button class="view-btn" data-view="front">Front</button>
<button class="view-btn" data-view="side">Side</button>
<button class="view-btn" data-view="back">Back</button>
</div>
</div>
<div id="hw3d-stage" class="hw3d-stage flex-1">
<div id="hw3d" class="hw3d">
<div class="f f-front">
<div class="mediabay"></div>
<span class="pwr-dot"></span>
<div class="cage c1"><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i></div>
<div class="cage c2"><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i></div>
<div class="grille"></div>
<span class="badge">ML350 Gen9</span>
</div>
<div class="f f-back">
<div class="io"></div>
<div class="psu p1"></div>
<div class="psu p2"></div>
<div class="grille-b"></div>
</div>
<div class="f f-right"></div>
<div class="f f-left"></div>
<div class="f f-top"></div>
<div class="f f-bottom"></div>
</div>
</div>
<p class="t-label text-center pb-5 px-6">Drag to rotate</p>
</div>
<div class="card p-7 sm:p-9 reveal" data-delay="1">
<p class="t-label mb-1.5">Server</p>
<h3 class="text-xl font-semibold tracking-tight mb-6">HP ProLiant ML350 Gen9</h3>
<dl>
<div class="spec-row">
<dt>Model</dt>
<dd>HP ProLiant ML350 Gen9, 32SFF</dd>
</div>
<div class="spec-row">
<dt>Form factor</dt>
<dd>5U tower</dd>
</div>
<div class="spec-row">
<dt>Processors</dt>
<dd>2× Intel Xeon E5-2680 v3</dd>
</div>
<div class="spec-row">
<dt>Cores</dt>
<dd>24 cores, 48 threads</dd>
</div>
<div class="spec-row">
<dt>Memory</dt>
<dd>64 GB DDR4 ECC</dd>
</div>
<div class="spec-row">
<dt>Storage</dt>
<dd>16× 1 TB SAS</dd>
</div>
</dl>
</div>
</div>
<div class="grid sm:grid-cols-3 gap-5">
<div class="card p-6 text-center reveal" data-delay="1">
<div class="text-3xl font-semibold tracking-tight text-red">48</div>
<div class="t-label mt-1.5">Threads</div>
</div>
<div class="card p-6 text-center reveal" data-delay="2">
<div class="text-3xl font-semibold tracking-tight text-red">64<span class="text-lg align-top">GB</span></div>
<div class="t-label mt-1.5">Memory</div>
</div>
<div class="card p-6 text-center reveal" data-delay="3">
<div class="text-3xl font-semibold tracking-tight text-red">16<span class="text-lg align-top">TB</span></div>
<div class="t-label mt-1.5">Raw storage</div>
</div>
</div>
</div>
</section>
<!-- ================= 03 PROJECTS ================= -->
<section id="projects" class="py-24">
<div class="max-w-6xl mx-auto px-5 sm:px-8">
<div class="flex items-center gap-5 mb-4 reveal">
<span class="sec-num">03</span>
<div class="sec-rule"></div>
</div>
<h2 class="text-3xl sm:text-4xl font-semibold tracking-tight mb-3 reveal">Projects</h2>
<p class="text-soft max-w-xl mb-12 reveal" data-delay="1">
Public repositories from my GitHub.
</p>
<div id="repo-grid" class="grid sm:grid-cols-2 lg:grid-cols-3 gap-5">
<div class="card p-7 animate-pulse"><div class="h-3 w-1/3 bg-neutral-100 mb-6"></div><div class="h-4 w-2/3 bg-neutral-100 mb-3"></div><div class="h-3 w-full bg-neutral-100"></div></div>
<div class="card p-7 animate-pulse hidden sm:block"><div class="h-3 w-1/3 bg-neutral-100 mb-6"></div><div class="h-4 w-2/3 bg-neutral-100 mb-3"></div><div class="h-3 w-full bg-neutral-100"></div></div>
<div class="card p-7 animate-pulse hidden lg:block"><div class="h-3 w-1/3 bg-neutral-100 mb-6"></div><div class="h-4 w-2/3 bg-neutral-100 mb-3"></div><div class="h-3 w-full bg-neutral-100"></div></div>
</div>
<div class="mt-10 reveal">
<a class="btn" href="https://github.com/SC4RT?tab=repositories" target="_blank" rel="noopener">
<span>View all on GitHub</span><span>↗</span>
</a>
</div>
</div>
</section>
<!-- ================= 04 SELF-HOSTED ================= -->
<section id="selfhosted" class="py-24">
<div class="max-w-6xl mx-auto px-5 sm:px-8">
<div class="flex items-center gap-5 mb-4 reveal">
<span class="sec-num">04</span>
<div class="sec-rule"></div>
</div>
<h2 class="text-3xl sm:text-4xl font-semibold tracking-tight mb-3 reveal">Self-Hosted</h2>
<p class="text-soft max-w-xl mb-12 reveal" data-delay="1">
Open source projects I run at home and recommend.
</p>
<!-- To add another project, copy one of the <a> cards below and edit the name, description and link. -->
<div class="grid sm:grid-cols-2 lg:grid-cols-3 gap-5">
<a href="https://immich.app" target="_blank" rel="noopener" class="card p-7 block reveal">
<div class="flex items-center justify-between mb-5">
<span class="t-label">Photos</span>
<span class="arrow">↗</span>
</div>
<h3 class="text-lg font-semibold tracking-tight mb-2">Immich</h3>
<p class="text-sm text-soft leading-relaxed">
Self-hosted photo and video backup with a clean mobile app.
</p>
</a>
<a href="https://jellyfin.org" target="_blank" rel="noopener" class="card p-7 block reveal" data-delay="1">
<div class="flex items-center justify-between mb-5">
<span class="t-label">Media</span>
<span class="arrow">↗</span>
</div>
<h3 class="text-lg font-semibold tracking-tight mb-2">Jellyfin</h3>
<p class="text-sm text-soft leading-relaxed">
Free and open source media server for films and TV.
</p>
</a>
<a href="https://www.navidrome.org" target="_blank" rel="noopener" class="card p-7 block reveal" data-delay="2">
<div class="flex items-center justify-between mb-5">
<span class="t-label">Music</span>
<span class="arrow">↗</span>
</div>
<h3 class="text-lg font-semibold tracking-tight mb-2">Navidrome</h3>
<p class="text-sm text-soft leading-relaxed">
Lightweight personal music streaming server.
</p>
</a>
</div>
</div>
</section>
<!-- ================= 05 MARKETS ================= -->
<section id="markets" class="py-24">
<div class="max-w-6xl mx-auto px-5 sm:px-8">
<div class="flex items-center gap-5 mb-4 reveal">
<span class="sec-num">05</span>
<div class="sec-rule"></div>
</div>
<h2 class="text-3xl sm:text-4xl font-semibold tracking-tight mb-3 reveal">Markets</h2>
<p class="text-soft max-w-xl mb-12 reveal" data-delay="1">
I trade stocks part time. A live look at the Nasdaq 100 and the main
indices in each region.
</p>
<!-- main chart: Nasdaq 100 -->
<div class="card p-2 mb-5 reveal">
<div class="tradingview-widget-container" style="height:480px">
<div class="tradingview-widget-container__widget" style="height:100%;width:100%"></div>
<script type="text/javascript" src="https://s3.tradingview.com/external-embedding/embed-widget-advanced-chart.js" async>
{
"width": "100%",
"height": "480",
"symbol": "FOREXCOM:NSXUSD",
"interval": "D",
"timezone": "Europe/London",
"theme": "light",
"style": "1",
"locale": "en",
"hide_top_toolbar": false,
"hide_legend": false,
"allow_symbol_change": false,
"save_image": false,
"calendar": false,
"support_host": "https://www.tradingview.com"
}
</script>
</div>
</div>
<!-- regional indices -->
<div class="grid sm:grid-cols-2 lg:grid-cols-4 gap-5">
<div class="reveal">
<p class="t-label mb-3">United States</p>
<div class="card p-1">
<div class="tradingview-widget-container">
<div class="tradingview-widget-container__widget"></div>
<script type="text/javascript" src="https://s3.tradingview.com/external-embedding/embed-widget-mini-symbol-overview.js" async>
{
"symbol": "FOREXCOM:SPXUSD",
"width": "100%",
"height": "220",
"locale": "en",
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}
</script>
</div>
</div>
</div>
<div class="reveal" data-delay="1">
<p class="t-label mb-3">United Kingdom</p>
<div class="card p-1">
<div class="tradingview-widget-container">
<div class="tradingview-widget-container__widget"></div>
<script type="text/javascript" src="https://s3.tradingview.com/external-embedding/embed-widget-mini-symbol-overview.js" async>
{
"symbol": "FOREXCOM:UKXGBP",
"width": "100%",
"height": "220",
"locale": "en",
"dateRange": "1M",
"colorTheme": "light",
"isTransparent": true,
"autosize": false,
"largeChartUrl": ""
}
</script>
</div>
</div>
</div>
<div class="reveal" data-delay="2">
<p class="t-label mb-3">Japan</p>
<div class="card p-1">
<div class="tradingview-widget-container">
<div class="tradingview-widget-container__widget"></div>
<script type="text/javascript" src="https://s3.tradingview.com/external-embedding/embed-widget-mini-symbol-overview.js" async>
{
"symbol": "INDEX:NKY",
"width": "100%",
"height": "220",
"locale": "en",
"dateRange": "1M",
"colorTheme": "light",
"isTransparent": true,
"autosize": false,
"largeChartUrl": ""
}
</script>
</div>
</div>
</div>
<div class="reveal" data-delay="3">
<p class="t-label mb-3">Germany</p>
<div class="card p-1">
<div class="tradingview-widget-container">
<div class="tradingview-widget-container__widget"></div>
<script type="text/javascript" src="https://s3.tradingview.com/external-embedding/embed-widget-mini-symbol-overview.js" async>
{
"symbol": "INDEX:DEU40",
"width": "100%",
"height": "220",
"locale": "en",
"dateRange": "1M",
"colorTheme": "light",
"isTransparent": true,
"autosize": false,
"largeChartUrl": ""
}
</script>
</div>
</div>
</div>
</div>
<p class="t-label mt-6 reveal">Charts by TradingView</p>
</div>
</section>
<!-- ================= CONTACT ================= -->
<footer id="contact" class="relative z-10 border-t border-rule pt-24 pb-10" style="scroll-margin-top:84px">
<div class="max-w-6xl mx-auto px-5 sm:px-8">
<h2 class="text-3xl sm:text-4xl font-semibold tracking-tight mb-3 reveal">Contact</h2>
<p class="text-soft max-w-xl mb-12 reveal" data-delay="1">
The quickest way to reach me is by email.
</p>
<div class="grid lg:grid-cols-2 gap-5 mb-16">
<div class="card p-7 reveal">
<p class="t-label mb-3">Email</p>
<p class="font-mono text-sm mb-6 break-all">zacchambers@z4c.co.uk</p>
<div class="flex flex-wrap gap-3">
<button class="btn btn-red" id="copy-email">
<span id="copy-email-label">Copy address</span>
</button>
<a class="btn" href="mailto:zacchambers@z4c.co.uk"><span>Open mail app</span><span>→</span></a>
</div>
</div>
<div class="card p-7 reveal" data-delay="1">
<p class="t-label mb-3">Elsewhere</p>
<div class="space-y-3">
<a href="https://github.com/SC4RT" target="_blank" rel="noopener" class="link-row">
<span class="font-mono text-xs tracking-wide">GitHub <span class="text-soft">/ SC4RT</span></span>
<span class="arrow">↗</span>
</a>
<a href="https://www.linkedin.com/in/zacduffinchambers/" target="_blank" rel="noopener" class="link-row">
<span class="font-mono text-xs tracking-wide">LinkedIn <span class="text-soft">/ zacduffinchambers</span></span>
<span class="arrow">↗</span>
</a>
</div>
</div>
</div>
<div class="border-t border-rule pt-8">
<p class="t-label">Zac Duffin Chambers 2026</p>
</div>
</div>
</footer>
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canvas.width = W * DPR; canvas.height = H * DPR;
canvas.style.width = W + 'px'; canvas.style.height = H + 'px';
ctx.setTransform(DPR, 0, 0, DPR, 0, 0);
cell = W < 640 ? 24 : 20;
cols = Math.ceil(W / cell) + 1;
rows = Math.ceil(H / cell) + 1;
field = new Float32Array(cols * rows);
}
window.addEventListener('resize', resize);
resize();
const LEVELS = [];
for (let v = -0.75; v <= 0.76; v += 0.15) LEVELS.push(v);
let t = 0, last = 0;
function computeField() {
const s1 = 0.0016, s2 = 0.004;
const mx = mouse.x, my = mouse.y, amp = mouse.amp;
const sigma2 = 2 * 150 * 150;
for (let r = 0; r < rows; r++) {
const y = r * cell;
for (let c = 0; c < cols; c++) {
const x = c * cell;
let v = noise3(x * s1, y * s1, t) * 0.72
+ noise3(x * s2 + 40, y * s2 + 40, t * 0.6) * 0.28;
if (amp > 0.01) {
const dx = x - mx, dy = y - my;
v += amp * 0.85 * Math.exp(-(dx*dx + dy*dy) / sigma2);
}
field[r * cols + c] = v;
}
}
}
/* marching squares: edge pairs per case
edges: 0 top, 1 right, 2 bottom, 3 left */
const CASES = [
[], [[3,2]], [[2,1]], [[3,1]],
[[0,1]], [[0,3],[1,2]], [[0,2]], [[0,3]],
[[0,3]], [[0,2]], [[0,1],[2,3]], [[0,1]],
[[3,1]], [[2,1]], [[3,2]], []
];
function edgePoint(edge, c, r, thr) {
const x = c * cell, y = r * cell;
const tl = field[r * cols + c], tr = field[r * cols + c + 1];
const bl = field[(r + 1) * cols + c], br = field[(r + 1) * cols + c + 1];
let a, b, x1, y1, x2, y2;
switch (edge) {
case 0: a = tl; b = tr; x1 = x; y1 = y; x2 = x + cell; y2 = y; break;
case 1: a = tr; b = br; x1 = x + cell; y1 = y; x2 = x + cell; y2 = y + cell; break;
case 2: a = bl; b = br; x1 = x; y1 = y + cell; x2 = x + cell; y2 = y + cell; break;
default: a = tl; b = bl; x1 = x; y1 = y; x2 = x; y2 = y + cell;
}
const f = (thr - a) / (b - a || 1e-9);
return [x1 + (x2 - x1) * f, y1 + (y2 - y1) * f];
}
function drawContours() {
ctx.clearRect(0, 0, W, H);
for (let li = 0; li < LEVELS.length; li++) {
const thr = LEVELS[li];
ctx.beginPath();
for (let r = 0; r < rows - 1; r++) {
for (let c = 0; c < cols - 1; c++) {
const tl = field[r * cols + c] > thr ? 8 : 0;
const tr = field[r * cols + c + 1] > thr ? 4 : 0;
const br = field[(r + 1) * cols + c + 1] > thr ? 2 : 0;
const bl = field[(r + 1) * cols + c] > thr ? 1 : 0;
const segs = CASES[tl | tr | br | bl];
for (let s = 0; s < segs.length; s++) {
const p1 = edgePoint(segs[s][0], c, r, thr);
const p2 = edgePoint(segs[s][1], c, r, thr);
ctx.moveTo(p1[0], p1[1]);
ctx.lineTo(p2[0], p2[1]);
}
}
}
/* heavier "index" contours every fourth level, like a real map */
ctx.strokeStyle = li % 4 === 0 ? 'rgba(225,6,0,0.20)' : 'rgba(225,6,0,0.095)';
ctx.lineWidth = 1;
ctx.stroke();
}
}
function frame(now) {
requestAnimationFrame(frame);
if (document.hidden) return;
/* the page can load before the window has a size; recheck each frame */
if (W !== window.innerWidth || H !== window.innerHeight) resize();
if (W === 0 || H === 0) return;
/* full frame rate, with motion scaled by elapsed time so the
speed stays the same on any refresh rate */
const dt = last ? Math.min(now - last, 100) : 16.7;
last = now;
t += 0.0003 * dt;
const easePos = 1 - Math.pow(0.90, dt / 33);
const easeAmp = 1 - Math.pow(0.94, dt / 33);
mouse.x += (mouse.tx - mouse.x) * easePos;
mouse.y += (mouse.ty - mouse.y) * easePos;
mouse.amp += (mouse.tAmp - mouse.amp) * easeAmp;
computeField();
drawContours();
}
if (reduceMotion) {
const renderStatic = () => {
if (W !== window.innerWidth || H !== window.innerHeight) resize();
if (W === 0 || H === 0) return;
computeField();
drawContours();
};
renderStatic();
window.addEventListener('resize', renderStatic);
/* retry until the window reports a real size, then stop */
const sizePoll = setInterval(() => {
renderStatic();
if (W > 0) clearInterval(sizePoll);
}, 400);
} else {
requestAnimationFrame(frame);
}
/* ================================================================
HOMELAB: interactive 3d model, drag to rotate
================================================================ */
const stage = $('#hw3d-stage'), box3d = $('#hw3d');
if (stage && box3d) {
let rx = -14, ry = 32; /* current rotation */