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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Christoph Kieser — Automation & Systems Engineer. Terraform, Ansible, RHEL, DevOps. Based in Zurich.">
<meta name="author" content="Christoph Kieser">
<meta name="keywords" content="Christoph Kieser, Systems Engineer, Automation Engineer, Terraform, OpenTofu, Ansible, RHEL, DevOps, IaC, SIX, Zurich">
<!-- Open Graph -->
<meta property="og:type" content="profile">
<meta property="og:title" content="Christoph Kieser — Systems & Automation Engineer">
<meta property="og:description" content="Automation & Systems Engineer at SIX, Zürich. 10+ years building scalable Linux infrastructure with Terraform, Ansible, and DevOps practices.">
<meta property="og:url" content="https://christophkieser.ch">
<meta property="og:image" content="https://christophkieser.ch/photo.jpg">
<meta property="profile:first_name" content="Christoph">
<meta property="profile:last_name" content="Kieser">
<!-- Twitter / X Card -->
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Christoph Kieser — Systems & Automation Engineer">
<meta name="twitter:description" content="Automation & Systems Engineer at SIX, Zürich. Terraform, Ansible, RHEL, DevOps.">
<meta name="twitter:image" content="https://christophkieser.ch/photo.jpg">
<title>Christoph Kieser — Systems & Automation Engineer</title>
<!-- Favicon: ck monogram in cyan on dark square -->
<link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' rx='6' fill='%23090e1a'/%3E%3Ctext x='16' y='22' font-family='monospace' font-size='14' font-weight='700' fill='%2322d3ee' text-anchor='middle'%3Eck%3C/text%3E%3C/svg%3E">
<!-- Google Fonts -->
<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=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
<!-- JSON-LD structured data -->
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "ProfilePage",
"mainEntity": {
"@type": "Person",
"name": "Christoph Kieser",
"url": "https://christophkieser.ch",
"image": "https://christophkieser.ch/photo.jpg",
"jobTitle": "System Engineer Automation",
"description": "Automation & Systems Engineer with 10+ years of experience building scalable Linux infrastructure in the financial industry. Specialising in Terraform/OpenTofu, Ansible, Red Hat Enterprise Linux, and DevOps practices.",
"worksFor": {
"@type": "Organization",
"name": "SIX",
"url": "https://www.six-group.com"
},
"address": {
"@type": "PostalAddress",
"addressLocality": "Zürich",
"addressCountry": "CH"
},
"sameAs": [
"https://www.linkedin.com/in/ckieser"
],
"knowsAbout": [
"Infrastructure as Code", "Terraform", "OpenTofu", "Ansible",
"Ansible Automation Platform", "SaltStack", "Red Hat Enterprise Linux",
"Red Hat Satellite", "Linux", "Python", "Bash", "DevOps", "GitOps",
"CI/CD", "Containerization", "OpenShift", "Cisco UCS", "ITIL"
],
"hasCredential": [
{
"@type": "EducationalOccupationalCredential",
"name": "Red Hat Certified OpenShift Application Developer",
"credentialCategory": "certification",
"recognizedBy": { "@type": "Organization", "name": "Red Hat" },
"validFrom": "2025-08-11",
"validUntil": "2028-08-11"
},
{
"@type": "EducationalOccupationalCredential",
"name": "DevOps Foundation",
"credentialCategory": "certification",
"recognizedBy": { "@type": "Organization", "name": "DevOps Institute" },
"validFrom": "2024-04-01",
"validUntil": "2027-04-01"
},
{
"@type": "EducationalOccupationalCredential",
"name": "Red Hat Certified Engineer (RHCE)",
"credentialCategory": "certification",
"recognizedBy": { "@type": "Organization", "name": "Red Hat" },
"validFrom": "2019-02-15",
"validUntil": "2028-08-11"
},
{
"@type": "EducationalOccupationalCredential",
"name": "Red Hat Certified System Administrator (RHCSA)",
"credentialCategory": "certification",
"recognizedBy": { "@type": "Organization", "name": "Red Hat" },
"validFrom": "2019-02-15",
"validUntil": "2028-08-11"
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"alumniOf": {
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"knowsLanguage": [
{ "@type": "Language", "name": "German" },
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{ "@type": "Language", "name": "French" }
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<style>
/* ── Design Tokens ──────────────────────────────────────── */
:root {
--bg: #090e1a;
--bg-alt: #0d1424;
--surface: #111827;
--surface-2: #1a2236;
--surface-3: #202d42;
--border: #1e2d45;
--border-bright: #2a3f5f;
--cyan: #22d3ee;
--cyan-bright: #67e8f9;
--indigo: #818cf8;
--text: #f1f5f9;
--text-2: #cbd5e1;
--muted: #64748b;
--font-sans: 'Inter', system-ui, sans-serif;
--font-mono: 'JetBrains Mono', 'Courier New', monospace;
--radius: 12px;
}
/* ── Reset / Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
background: var(--bg);
color: var(--text);
font-family: var(--font-sans);
font-size: 16px;
line-height: 1.6;
overflow-x: hidden;
}
a { color: var(--cyan); text-decoration: none; transition: color .2s; }
a:hover { color: var(--cyan-bright); }
/* ── Grid Background ────────────────────────────────────── */
body::before {
content: '';
position: fixed;
inset: 0;
background-image:
linear-gradient(rgba(34,211,238,.025) 1px, transparent 1px),
linear-gradient(90deg, rgba(34,211,238,.025) 1px, transparent 1px);
background-size: 40px 40px;
pointer-events: none;
z-index: 0;
}
/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3 { line-height: 1.2; }
.section-label {
font-family: var(--font-mono);
font-size: .75rem;
color: var(--cyan);
letter-spacing: .15em;
text-transform: uppercase;
margin-bottom: .5rem;
}
h2.section-title {
font-size: 2rem;
font-weight: 700;
margin-bottom: 3rem;
position: relative;
display: inline-block;
}
h2.section-title::after {
content: '';
position: absolute;
left: 0; bottom: -8px;
height: 3px;
width: 100%;
background: linear-gradient(90deg, var(--cyan), transparent);
border-radius: 2px;
}
/* ── Layout ─────────────────────────────────────────────── */
section {
position: relative;
z-index: 1;
max-width: 1000px;
margin: 0 auto;
padding: 6rem 2rem;
}
/* ── Shared Components ──────────────────────────────────── */
.btn {
display: inline-flex;
align-items: center;
gap: .5rem;
padding: .7rem 1.5rem;
border-radius: 50px;
font-size: .9rem;
font-weight: 600;
cursor: pointer;
transition: all .2s;
border: none;
font-family: var(--font-sans);
}
.btn-primary { background: var(--cyan); color: var(--bg); }
.btn-primary:hover { background: var(--cyan-bright); color: var(--bg); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--cyan); border: 1px solid var(--cyan); }
.btn-outline:hover { background: rgba(34,211,238,.1); transform: translateY(-2px); }
/* ── Scroll Progress ────────────────────────────────────── */
#scroll-progress {
position: fixed;
top: 0; left: 0;
height: 3px;
width: 0%;
background: linear-gradient(90deg, var(--cyan), var(--indigo));
z-index: 200;
pointer-events: none;
}
/* ── Nav ────────────────────────────────────────────────── */
nav {
position: fixed;
top: 0; left: 0; right: 0;
z-index: 100;
background: rgba(9,14,26,.88);
backdrop-filter: blur(12px);
border-bottom: 1px solid var(--border);
padding: 0 2rem;
height: 60px;
display: flex;
align-items: center;
justify-content: space-between;
transition: box-shadow .3s;
}
nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.5); }
.nav-logo {
font-family: var(--font-mono);
font-size: .9rem;
color: var(--cyan);
letter-spacing: .05em;
}
.nav-logo span { color: var(--muted); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
font-size: .85rem;
color: var(--muted);
letter-spacing: .05em;
text-transform: uppercase;
transition: color .2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--cyan); }
/* ── Hamburger ──────────────────────────────────────────── */
.hamburger {
display: none;
flex-direction: column;
gap: 5px;
background: none;
border: none;
cursor: pointer;
padding: 4px;
z-index: 110;
}
.hamburger span {
display: block;
width: 22px;
height: 2px;
background: var(--text);
border-radius: 2px;
transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* ── Mobile Nav Overlay ─────────────────────────────────── */
.mobile-nav {
position: fixed;
inset: 0;
z-index: 95;
background: rgba(9,14,26,.97);
backdrop-filter: blur(20px);
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
pointer-events: none;
transition: opacity .3s;
}
.mobile-nav.open { opacity: 1; pointer-events: all; }
.mobile-nav ul {
list-style: none;
text-align: center;
display: flex;
flex-direction: column;
gap: 1.5rem;
}
.mobile-nav ul li {
opacity: 0;
transform: translateY(20px);
transition: opacity .3s, transform .3s;
}
.mobile-nav.open ul li { opacity: 1; transform: none; }
.mobile-nav.open ul li:nth-child(1) { transition-delay: .05s; }
.mobile-nav.open ul li:nth-child(2) { transition-delay: .10s; }
.mobile-nav.open ul li:nth-child(3) { transition-delay: .15s; }
.mobile-nav.open ul li:nth-child(4) { transition-delay: .20s; }
.mobile-nav.open ul li:nth-child(5) { transition-delay: .25s; }
.mobile-nav ul li a {
font-size: 2.5rem;
font-weight: 700;
color: var(--text-2);
letter-spacing: .02em;
transition: color .2s;
}
.mobile-nav ul li a:hover { color: var(--cyan); }
/* ── Hero ───────────────────────────────────────────────── */
#hero {
min-height: 100vh;
display: flex;
flex-direction: column;
justify-content: center;
padding-top: 60px;
}
.hero-inner {
display: flex;
align-items: center;
gap: 4rem;
}
.hero-left { flex: 1; min-width: 0; }
.hero-intro {
font-family: var(--font-mono);
color: var(--cyan);
font-size: .95rem;
margin-bottom: 1rem;
}
.hero-name {
font-size: clamp(2.5rem, 6vw, 4.5rem);
font-weight: 800;
line-height: 1.1;
letter-spacing: -.02em;
}
.hero-title {
font-size: clamp(1.2rem, 3vw, 1.8rem);
color: var(--muted);
font-weight: 400;
margin-top: .5rem;
}
/* Terminal window component */
.terminal-window {
margin-top: 1.75rem;
max-width: 500px;
background: var(--surface-3);
border: 1px solid var(--border-bright);
border-radius: var(--radius);
overflow: hidden;
}
.terminal-chrome {
background: var(--surface-2);
padding: .6rem 1rem;
display: flex;
align-items: center;
gap: .75rem;
border-bottom: 1px solid var(--border);
}
.terminal-dots { display: flex; gap: 6px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }
.terminal-title {
font-family: var(--font-mono);
font-size: .7rem;
color: var(--muted);
flex: 1;
text-align: center;
}
.terminal-body {
padding: .9rem 1.25rem;
font-family: var(--font-mono);
font-size: clamp(.85rem, 2vw, 1rem);
min-height: 3.2rem;
color: var(--indigo);
}
.terminal-prompt { color: var(--cyan); }
.cursor {
display: inline-block;
width: 2px;
height: 1.1em;
background: var(--cyan);
vertical-align: middle;
margin-left: 1px;
animation: blink 1s step-end infinite;
}
.hero-tagline {
margin-top: 1.5rem;
max-width: 560px;
color: var(--muted);
font-size: 1.05rem;
line-height: 1.75;
}
.hero-cta {
margin-top: 2rem;
display: flex;
gap: 1rem;
flex-wrap: wrap;
}
/* Stats strip */
.hero-stats {
margin-top: 2rem;
display: flex;
align-items: center;
gap: .75rem;
flex-wrap: wrap;
font-family: var(--font-mono);
font-size: .85rem;
color: var(--muted);
}
.hero-stats .stat-val { color: var(--cyan); font-weight: 600; }
.hero-stats .pipe { color: var(--border-bright); }
.hero-scroll {
margin-top: 3rem;
color: var(--muted);
font-size: .8rem;
display: flex;
align-items: center;
gap: .5rem;
}
.hero-scroll .arrow { animation: bounce 2s infinite; display: inline-block; }
/* Square photo with rounded corners + gradient border */
.hero-photo-wrap {
flex-shrink: 0;
width: 280px;
height: 280px;
border-radius: 24px;
padding: 3px;
background: linear-gradient(135deg, var(--cyan), var(--indigo));
animation: photo-glow 4s ease-in-out infinite;
}
.hero-photo {
width: 100%;
height: 100%;
border-radius: 22px;
object-fit: cover;
object-position: center top;
border: 4px solid var(--bg);
display: block;
}
/* ── About ──────────────────────────────────────────────── */
.about-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 3rem;
align-items: start;
}
.about-text p {
color: var(--text-2);
margin-bottom: 1rem;
font-size: 1.05rem;
line-height: 1.75;
}
.about-text p strong { color: var(--text); }
.about-stats {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 1rem;
}
/* Glassmorphism stat cards */
.stat-card {
background: rgba(26,34,54,.6);
border: 1px solid var(--border-bright);
border-top: 2px solid var(--cyan);
border-radius: var(--radius);
padding: 1.25rem;
text-align: center;
transition: border-color .2s, transform .2s;
backdrop-filter: blur(8px);
}
.stat-card:hover { border-top-color: var(--cyan-bright); transform: translateY(-3px); }
.stat-num {
font-size: 2rem;
font-weight: 800;
color: var(--cyan);
font-family: var(--font-mono);
line-height: 1;
}
.stat-label {
font-size: .78rem;
color: var(--muted);
margin-top: .4rem;
text-transform: uppercase;
letter-spacing: .06em;
}
/* ── Skills ─────────────────────────────────────────────── */
.skills-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
gap: 1.5rem;
}
.skill-group {
background: var(--surface);
border: 1px solid var(--border);
border-left: 3px solid var(--cyan);
border-radius: var(--radius);
padding: 1.5rem;
transition: box-shadow .2s, transform .2s;
}
.skill-group:nth-child(even) { border-left-color: var(--indigo); }
.skill-group:hover { box-shadow: 0 8px 28px rgba(0,0,0,.35); transform: translateY(-3px); }
.skill-group-title {
font-size: .8rem;
text-transform: uppercase;
letter-spacing: .1em;
color: var(--cyan);
font-family: var(--font-mono);
margin-bottom: 1rem;
display: flex;
align-items: center;
gap: .75rem;
}
.skill-icon {
width: 28px;
height: 28px;
border-radius: 6px;
background: rgba(34,211,238,.1);
display: inline-flex;
align-items: center;
justify-content: center;
font-size: .9rem;
flex-shrink: 0;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag {
background: var(--surface-2);
border: 1px solid var(--border);
border-radius: 6px;
padding: .3rem .75rem;
font-size: .82rem;
color: var(--text-2);
transition: background .15s, border-color .15s, color .15s;
}
.tag:hover { background: rgba(34,211,238,.1); border-color: var(--cyan); color: var(--cyan); }
/* ── Experience ─────────────────────────────────────────── */
.timeline { position: relative; }
.timeline::before {
content: '';
position: absolute;
left: 10px;
top: 20px;
bottom: 20px;
width: 3px;
background: linear-gradient(to bottom, var(--cyan), var(--indigo), transparent);
}
.tl-item {
position: relative;
padding-left: 3rem;
margin-bottom: 2.5rem;
}
.tl-dot {
position: absolute;
left: 0;
top: 6px;
width: 24px;
height: 24px;
border-radius: 50%;
background: var(--bg);
border: 2px solid var(--cyan);
transition: background .2s;
}
.tl-dot.current {
background: var(--cyan);
animation: pulse-ring 2s ease-out infinite;
}
.tl-item:hover .tl-dot:not(.current) { background: var(--cyan); }
.tl-card {
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 1.5rem;
transition: border-color .2s, transform .2s;
}
.tl-card:hover { border-color: var(--border-bright); transform: translateX(4px); }
.tl-header {
display: flex;
justify-content: space-between;
align-items: flex-start;
flex-wrap: wrap;
gap: .5rem;
margin-bottom: .75rem;
}
.tl-role-wrap { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.tl-role { font-size: 1.05rem; font-weight: 700; }
.tl-badge {
font-size: .65rem;
font-weight: 700;
padding: .15rem .55rem;
border-radius: 4px;
background: rgba(34,211,238,.15);
color: var(--cyan);
text-transform: uppercase;
letter-spacing: .06em;
border: 1px solid rgba(34,211,238,.3);
}
.tl-company { font-size: .9rem; color: var(--cyan); }
.tl-period {
font-family: var(--font-mono);
font-size: .78rem;
color: var(--muted);
white-space: nowrap;
background: var(--surface-2);
padding: .2rem .65rem;
border-radius: 6px;
}
.tl-bullets { list-style: none; margin-top: .75rem; }
.tl-bullets li {
color: var(--text-2);
font-size: .9rem;
padding-left: 1.5rem;
position: relative;
margin-bottom: .45rem;
line-height: 1.5;
}
.tl-bullets li::before {
content: '→';
position: absolute;
left: 0;
color: var(--cyan);
font-size: .8rem;
}
/* ── Education & Certifications ─────────────────────────── */
.edu-cards {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 1.5rem;
margin-bottom: 3rem;
}
.card {
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 1.5rem;
transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--border-bright); transform: translateY(-3px); }
.card-icon { font-size: 1.5rem; margin-bottom: .75rem; }
.card-title { font-size: 1rem; font-weight: 700; margin-bottom: .25rem; }
.card-sub { font-size: .85rem; color: var(--indigo); margin-bottom: .25rem; }
.card-meta { font-size: .8rem; color: var(--muted); font-family: var(--font-mono); }
.edu-subsection-title {
font-size: .75rem;
text-transform: uppercase;
letter-spacing: .12em;
color: var(--muted);
font-family: var(--font-mono);
margin-bottom: 1.5rem;
}
/* Languages */
.lang-section { margin-bottom: 3rem; }
.lang-row {
display: flex;
align-items: center;
gap: 1rem;
margin-bottom: 1rem;
}
.lang-name { width: 80px; font-size: .9rem; }
.lang-bar-wrap {
flex: 1;
height: 8px;
background: var(--surface-2);
border-radius: 4px;
overflow: hidden;
}
.lang-bar {
height: 100%;
border-radius: 4px;
background: linear-gradient(90deg, var(--cyan), var(--indigo));
width: 0;
transition: width 1.2s ease;
}
.lang-level {
font-size: .78rem;
color: var(--muted);
width: 130px;
text-align: right;
font-family: var(--font-mono);
}
/* Certifications grid */
.certs-grid-active,
.certs-grid-expired {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 1rem;
}
.certs-grid-active { margin-bottom: 2rem; }
.certs-expired-label {
font-size: .72rem;
text-transform: uppercase;
letter-spacing: .12em;
color: var(--muted);
font-family: var(--font-mono);
margin-bottom: 1rem;
padding-top: .5rem;
}
.cert-badge {
display: flex;
align-items: flex-start;
gap: .75rem;
background: var(--surface);
border: 1px solid var(--border);
border-radius: 8px;
padding: 1rem 1.25rem;
transition: box-shadow .2s, transform .2s;
}
.cert-badge.active-cert { border-left: 3px solid #4ade80; }
.cert-badge.expired-cert { opacity: 0.65; }
.cert-badge:hover { box-shadow: 0 4px 16px rgba(0,0,0,.3); transform: translateY(-2px); }
.cert-icon {
width: 36px; height: 36px;
border-radius: 8px;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.1rem;
flex-shrink: 0;
margin-top: 2px;
}
.cert-icon.red { background: rgba(239,68,68,.15); }
.cert-icon.blue { background: rgba(129,140,248,.15); }
.cert-body { flex: 1; min-width: 0; }
.cert-name { font-size: .88rem; font-weight: 600; line-height: 1.3; }
.cert-meta {
display: flex;
align-items: center;
gap: .5rem;
flex-wrap: wrap;
margin-top: .35rem;
}
.cert-issuer { font-size: .75rem; color: var(--muted); }
.cert-date { font-size: .72rem; color: var(--muted); font-family: var(--font-mono); }
.cert-status {
font-size: .68rem;
font-weight: 700;
padding: .1rem .45rem;
border-radius: 4px;
text-transform: uppercase;
letter-spacing: .05em;
}
.cert-status.active { background: rgba(34,197,94,.15); color: #4ade80; }
.cert-status.expired { background: rgba(148,163,184,.1); color: var(--muted); }
/* ── Contact / Footer ───────────────────────────────────── */
#contact {
text-align: center;
border-top: 1px solid var(--border);
}
.contact-terminal {
font-family: var(--font-mono);
font-size: .9rem;
color: var(--muted);
margin-bottom: 2.5rem;
}
.contact-prompt { color: var(--cyan); }
.contact-sub {
color: var(--muted);
max-width: 480px;
margin: 0 auto 2.5rem;
font-size: 1.05rem;
}
.contact-links {
display: flex;
justify-content: center;
gap: 1rem;
flex-wrap: wrap;
}
.contact-pill {
display: inline-flex;
align-items: center;
gap: .5rem;
color: var(--text-2);
font-size: .9rem;
padding: .6rem 1.25rem;
border-radius: 50px;
border: 1px solid var(--border-bright);
background: var(--surface);
transition: all .2s;
}
a.contact-pill:hover {
color: var(--cyan);
border-color: var(--cyan);
transform: translateY(-2px);
background: rgba(34,211,238,.05);
}
.contact-pill svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }
footer {
position: relative;
z-index: 1;
text-align: center;
padding: 2rem;
color: var(--muted);
font-size: .8rem;
border-top: 1px solid var(--border);
}
footer span { color: var(--cyan); }
/* ── Back to Top ────────────────────────────────────────── */
#back-to-top {
position: fixed;
bottom: 2rem;
right: 2rem;
width: 44px;
height: 44px;
border-radius: 50%;
background: var(--surface-2);
border: 1px solid var(--border-bright);
color: var(--cyan);
font-size: 1.1rem;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
pointer-events: none;
transition: opacity .3s, transform .2s, border-color .2s, background .2s;
z-index: 50;
}
#back-to-top.visible { opacity: 1; pointer-events: all; }
#back-to-top:hover { transform: translateY(-3px); border-color: var(--cyan); background: rgba(34,211,238,.1); }
/* ── Animations / Keyframes ─────────────────────────────── */
@keyframes blink { 50% { opacity: 0; } }
@keyframes bounce {
0%, 100% { transform: translateY(0); }
50% { transform: translateY(6px); }
}
@keyframes photo-glow {
0%, 100% { box-shadow: 0 0 20px rgba(34,211,238,.2); }
50% { box-shadow: 0 0 50px rgba(34,211,238,.45), 0 0 80px rgba(129,140,248,.15); }
}
@keyframes pulse-ring {
0% { box-shadow: 0 0 0 0 rgba(34,211,238,.65); }
70% { box-shadow: 0 0 0 10px rgba(34,211,238,0); }
100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); }
}
/* ── Scroll Reveal ──────────────────────────────────────── */
.reveal {
opacity: 0;
transform: translateY(24px);
transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: none; }
/* ── Responsive — 1024px ────────────────────────────────── */
@media (max-width: 1024px) {
.hero-inner { gap: 2.5rem; }
.hero-photo-wrap { width: 240px; height: 240px; }
}
/* ── Responsive — 768px ─────────────────────────────────── */
@media (max-width: 768px) {
.nav-links { display: none; }
.hamburger { display: flex; }
.about-grid { grid-template-columns: 1fr; }
.edu-cards { grid-template-columns: 1fr; }
.certs-grid-active,
.certs-grid-expired { grid-template-columns: 1fr; }
.hero-inner {
flex-direction: column-reverse;
text-align: center;
gap: 2.5rem;
}
.terminal-window { max-width: 100%; }
.hero-tagline { margin-left: auto; margin-right: auto; }
.hero-cta { justify-content: center; }
.hero-stats { justify-content: center; }
.hero-scroll { justify-content: center; }
.hero-photo-wrap { width: 180px; height: 180px; }
.hero-photo-wrap { border-radius: 20px; }
.hero-photo { border-radius: 18px; }
.tl-header { flex-direction: column; }
.contact-links { flex-direction: column; align-items: center; }
}
/* ── Responsive — 480px ─────────────────────────────────── */
@media (max-width: 480px) {
.about-stats { grid-template-columns: 1fr 1fr; }
section { padding: 4rem 1.25rem; }
.lang-level { display: none; }
}
/* ── Print ──────────────────────────────────────────────── */
@media print {
nav, .hamburger, .mobile-nav, #scroll-progress, #back-to-top,
.hero-scroll, .hero-cta { display: none; }
body { background: white; color: black; }
section { padding: 2rem 1rem; }
a { color: inherit; }
.terminal-window { border: 1px solid #ccc; }
}
</style>
</head>
<body>
<!-- Scroll Progress Bar -->
<div id="scroll-progress"></div>
<!-- ── Navigation ──────────────────────────────────────────── -->
<nav id="nav">
<div class="nav-logo"><span>~/</span>ckieser</div>