:root {
  color-scheme: dark;
  --bg: #0b1012;
  --surface: #11191d;
  --surface-raised: #172126;
  --text: #eef3ee;
  --muted: #a6b3b8;
  --line: #2a373d;
  --lime: #c5f76a;
  --teal: #70ddcf;
  --purple: #c6b4fb;
  --radius: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
::selection { background: var(--lime); color: var(--bg); }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
svg { display: block; max-width: 100%; }
p { margin: 0 0 1.2rem; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.045em; }
h1 { font-size: clamp(3.1rem, 6.6vw, 5.6rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 3.7vw, 3.2rem); font-weight: 700; }
h3 { font-size: 1.3rem; letter-spacing: -.025em; line-height: 1.3; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; }
[id] { scroll-margin-top: 110px; }
.container { width: min(var(--container), calc(100% - 64px)); margin-inline: auto; }
.narrow { max-width: 820px; }
.section { padding-block: 96px; }
.section-compact { padding-top: 0; }
.section-tinted { background: var(--surface); border-block: 1px solid var(--line); }
.highlight, .text-highlight { color: var(--lime); }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--lime);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  flex: 0 0 auto;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 12px 20px;
  background: var(--lime);
  color: var(--bg);
  font-weight: 700;
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Shared navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 16, 18, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 1.15rem; font-weight: 800; letter-spacing: -.04em; white-space: nowrap; }
.brand-icon { width: 38px; height: 38px; color: var(--lime); flex-shrink: 0; }
.brand-light { font-weight: 500; }
.primary-nav { display: flex; align-items: center; gap: 30px; }
.primary-nav a { color: var(--muted); font-size: .85rem; font-weight: 500; padding-block: 10px; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--lime); }
.primary-nav .nav-contact { border: 1px solid var(--line); border-radius: 8px; color: var(--text); padding: 10px 16px; }
.nav-contact span { margin-left: 12px; color: var(--lime); }
.nav-toggle { display: none; color: var(--text); background: transparent; border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; align-items: center; gap: 12px; }

/* Buttons */
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 50px;
  padding: 13px 21px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: .86rem;
  line-height: 1.4;
  font-weight: 700;
  transition: background .18s, border-color .18s, transform .18s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lime); color: var(--bg); }
.button-primary:hover { background: #d6ff91; }
.button-secondary { border-color: #46555c; background: transparent; color: var(--text); }
.button-secondary:hover { background: var(--surface-raised); border-color: var(--muted); }
.button-dark { background: var(--bg); color: var(--lime); flex-shrink: 0; }
.button-dark:hover { background: #233017; }
.text-link { display: inline-flex; align-items: center; gap: 14px; color: var(--lime); font-size: .85rem; font-weight: 600; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }

/* Hero and bespoke diagram */
.hero { padding-top: 92px; padding-bottom: 84px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 64px; }
.hero-description { max-width: 590px; color: var(--muted); font-size: 1.1rem; line-height: 1.8; margin-top: 26px; margin-bottom: 30px; }
.hero-note { display: flex; align-items: center; gap: 14px; margin-top: 38px; }
.hero-note p { color: var(--muted); margin: 0; font-size: .78rem; }
.hero-note strong { font-weight: 500; color: var(--text); }
.mini-terminal { display: grid; place-items: center; width: 40px; height: 40px; flex-shrink: 0; border: 1px solid var(--line); border-radius: 10px; color: var(--lime); font-family: monospace; font-size: 1.1rem; }
.pipeline-visual { background: #10181b; border: 1px solid #354349; border-radius: var(--radius); box-shadow: 0 26px 70px rgba(0,0,0,.2); overflow: hidden; }
.visual-topline, .visual-bottomline { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 20px; font-size: .58rem; letter-spacing: .06em; }
.visual-topline { border-bottom: 1px solid var(--line); }
.visual-topline > span:first-child { display: flex; align-items: center; gap: 8px; }
.visual-tag { color: var(--muted); font-size: .52rem; }
.pipeline-map { width: 100%; height: auto; }
.visual-bottomline { border-top: 1px solid var(--line); flex-wrap: wrap; }
.code-label { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; color: var(--muted); }
.topic-strip { border-block: 1px solid var(--line); }
.topic-list { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding-block: 24px; }
.topic-list span { font-size: .77rem; color: var(--muted); font-weight: 500; }

/* Sections and cards */
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; margin-bottom: 42px; }
.section-heading > p { max-width: 390px; color: var(--muted); font-size: .93rem; margin-bottom: 4px; }
.section-heading > .text-link { flex-shrink: 0; margin-bottom: 7px; }
.card-grid { display: grid; gap: 22px; }
.three-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.feature-card { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); display: flex; flex-direction: column; align-items: flex-start; }
.card-symbol { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; color: var(--lime); font-size: .9rem; margin-bottom: 40px; }
.feature-card h3 { margin-bottom: 16px; }
.feature-card p { color: var(--muted); font-size: .9rem; }
.feature-card .text-link { margin-top: auto; padding-top: 12px; }
.course-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); overflow: hidden; display: flex; flex-direction: column; }
.course-art {
  min-height: 185px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(135deg, rgba(255,255,255,.025) 25%, transparent 25%), linear-gradient(315deg, rgba(255,255,255,.025) 25%, transparent 25%);
  background-size: 48px 48px;
}
.course-art::before { content: ""; position: absolute; width: 145px; height: 145px; border: 1px solid currentColor; border-radius: 50%; opacity: .2; }
.course-art::after { content: ""; position: absolute; width: 235px; height: 235px; border: 1px solid currentColor; border-radius: 50%; opacity: .1; }
.course-art > span { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 3rem; font-weight: 600; }
.course-art small { position: absolute; left: 20px; bottom: 16px; font-size: .57rem; letter-spacing: .14em; }
.art-lime { color: var(--lime); background-color: #192319; }
.art-teal { color: var(--teal); background-color: #132526; }
.art-purple { color: var(--purple); background-color: #211d30; }
.course-body { padding: 28px; flex: 1; display: flex; flex-direction: column; align-items: flex-start; }
.course-body .eyebrow { font-size: .61rem; margin-bottom: 14px; }
.course-body h3 { margin-bottom: 14px; }
.course-body p:not(.eyebrow) { font-size: .9rem; color: var(--muted); }
.course-body .text-link { margin-top: auto; padding-top: 8px; }
.section-note { color: var(--muted); font-size: .78rem; margin: 25px 0 0; }
.event-row { display: grid; grid-template-columns: 55px 1fr auto; align-items: center; gap: 30px; padding: 30px 0; border-top: 1px solid var(--line); }
.event-row:last-child { border-bottom: 1px solid var(--line); }
.event-index { font-family: monospace; font-size: 1.2rem; color: var(--muted); align-self: start; padding-top: 8px; }
.event-row .eyebrow { font-size: .62rem; margin-bottom: 10px; }
.event-row h3 { margin-bottom: 9px; }
.event-row p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: .87rem; max-width: 580px; }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 45px; background: var(--lime); color: var(--bg); padding: 52px; border-radius: var(--radius); }
.cta-panel .eyebrow { color: #35461d; }
.cta-panel p:not(.eyebrow) { color: #334124; margin: 20px 0 0; font-size: .95rem; }

/* Courses */
.page-hero { padding-top: 78px; padding-bottom: 72px; }
.inline-facts { display: flex; flex-wrap: wrap; gap: 12px 28px; color: var(--muted); font-size: .8rem; }
.inline-facts span::before { content: "+"; color: var(--lime); margin-right: 10px; }
.course-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.filter-button { border: 1px solid var(--line); border-radius: 30px; background: transparent; color: var(--muted); font-size: .8rem; padding: 10px 19px; }
.filter-button:hover { color: var(--text); border-color: var(--muted); }
.filter-button[aria-pressed="true"] { background: var(--lime); color: var(--bg); border-color: var(--lime); }
.catalogue-card { padding: 32px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; align-items: flex-start; }
.catalogue-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; margin-bottom: 28px; }
.badge { padding: 5px 10px; border: 1px solid #495d31; border-radius: 5px; color: var(--lime); font-size: .67rem; font-weight: 600; }
.badge-teal { border-color: #315b59; color: var(--teal); }
.duration { font-size: .75rem; color: var(--muted); }
.catalogue-card h3 { font-size: 1.55rem; margin-bottom: 18px; }
.catalogue-card > p { color: var(--muted); font-size: .9rem; }
.check-list { list-style: none; padding: 0; margin: 8px 0 24px; }
.check-list li { position: relative; padding-left: 24px; margin-bottom: 10px; color: var(--muted); font-size: .88rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--lime); font-size: .8rem; }
.catalogue-card .prerequisite { padding-top: 16px; border-top: 1px solid var(--line); font-size: .78rem; }
.prerequisite strong { color: var(--text); font-weight: 500; }
.catalogue-card .button { margin-top: auto; }
.faq-list { margin-top: 36px; }
.faq-list details { border-top: 1px solid var(--line); padding: 22px 0; }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; font-size: .98rem; font-weight: 500; padding-right: 12px; }
.faq-list summary::marker { color: var(--lime); }
.faq-list details p { margin: 17px 0 0; color: var(--muted); font-size: .9rem; max-width: 700px; }

/* Corporate training */
.programme-panel { padding: 36px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.programme-panel h2 { font-size: 2rem; margin-bottom: 30px; }
.programme-item { display: flex; gap: 20px; padding-block: 22px; border-top: 1px solid var(--line); }
.programme-item > span { font-family: monospace; color: var(--lime); font-size: .85rem; }
.programme-item h3 { font-size: .94rem; margin-bottom: 7px; }
.programme-item p { color: var(--muted); font-size: .8rem; margin: 0; }
.panel-footnote { margin: 15px 0 0; color: var(--muted); font-size: .72rem; }
.split-section { display: grid; grid-template-columns: 1fr 1.2fr; gap: 90px; }
.section-intro { color: var(--muted); margin-top: 25px; max-width: 360px; }
.process-list { margin: 0; padding: 0; list-style: none; counter-reset: process; }
.process-list li { position: relative; padding: 0 0 28px 56px; margin-bottom: 28px; border-bottom: 1px solid var(--line); counter-increment: process; }
.process-list li:last-child { margin-bottom: 0; }
.process-list li::before { content: "0" counter(process); position: absolute; left: 0; top: 0; font-family: monospace; color: var(--lime); font-size: .9rem; }
.process-list h3 { margin-bottom: 12px; }
.process-list p { color: var(--muted); font-size: .9rem; margin: 0; }
.format-label { margin-top: auto; padding-top: 18px; color: var(--teal); font-size: .74rem; }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 74px; align-items: start; }
.contact-context > p:not(.eyebrow) { color: var(--muted); margin-top: 25px; }
.contact-context .check-list { margin-top: 30px; }
.contact-note { display: flex; gap: 16px; border-top: 1px solid var(--line); padding-top: 28px; margin-top: 36px; }
.contact-note h3 { font-size: .92rem; margin-bottom: 9px; }
.contact-note p { color: var(--muted); font-size: .82rem; }
.form-panel { background: var(--bg); padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); }
.form-panel h2 { font-size: 1.65rem; }
.form-intro { font-size: .82rem; color: var(--muted); margin-top: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 21px; }
.field label { display: block; color: var(--text); font-size: .79rem; font-weight: 500; margin-bottom: 9px; }
.optional-label, .required-label { color: var(--muted); font-size: .7rem; font-weight: 400; }
input, select, textarea { width: 100%; min-height: 47px; color: var(--text); background: var(--surface); border: 1px solid #3d4d54; border-radius: 7px; padding: 11px 12px; font-size: .85rem; }
input::placeholder, textarea::placeholder { color: #92a1a7; opacity: 1; }
textarea { resize: vertical; min-height: 145px; }
.field-hint, .privacy-note { color: var(--muted); font-size: .73rem; line-height: 1.7; }
.field-hint { margin: 8px 0 0; }
.form-status { margin: 16px 0 0; font-size: .8rem; color: var(--lime); }
.form-status:empty { display: none; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding-top: 62px; }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr; gap: 60px; padding-bottom: 55px; }
.footer-about > p { max-width: 360px; color: var(--muted); font-size: .84rem; margin: 22px 0 17px; }
.location-label { color: var(--lime); font-size: .72rem; }
.footer-nav { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.footer-nav h2 { font-size: .78rem; font-weight: 600; letter-spacing: 0; margin-bottom: 10px; }
.footer-nav a { color: var(--muted); font-size: .79rem; }
.footer-nav a:hover { color: var(--lime); text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding-block: 22px; border-top: 1px solid var(--line); }
.footer-bottom p { color: var(--muted); font-size: .71rem; margin: 0; }

/* Responsive layouts */
@media (min-width: 761px) {
  .primary-nav { display: flex !important; }
}
@media (max-width: 1050px) {
  .hero-grid { gap: 36px; }
  .primary-nav { gap: 20px; }
  .feature-card, .course-body { padding: 25px; }
  .contact-grid { gap: 38px; }
  .form-panel { padding: 28px; }
  .split-section { gap: 45px; }
  .visual-tag { display: none; }
  .event-row { grid-template-columns: 40px 1fr; gap: 20px; }
  .event-row > .text-link { grid-column: 2; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 90px; }
  .container { width: calc(100% - 40px); }
  .section { padding-block: 64px; }
  .section-compact { padding-top: 0; }
  .header-inner { min-height: 76px; flex-wrap: wrap; gap: 0; }
  .brand { font-size: 1.05rem; }
  .brand-icon { width: 34px; height: 34px; }
  .js .nav-toggle { display: inline-flex; }
  .primary-nav { width: 100%; flex-wrap: wrap; gap: 8px 20px; padding-bottom: 15px; }
  .js .primary-nav { display: none; flex-direction: column; align-items: stretch; gap: 5px; padding-top: 12px; }
  .js .primary-nav.is-open { display: flex; }
  .js .primary-nav a { padding: 12px; }
  .hero-grid, .split-section, .contact-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero { padding-top: 56px; }
  .hero-description { max-width: 550px; font-size: 1rem; }
  .pipeline-visual { max-width: 560px; width: 100%; }
  .topic-list { justify-content: flex-start; gap: 14px 24px; }
  .section-heading { display: block; margin-bottom: 30px; }
  .section-heading > p { margin-top: 22px; max-width: 540px; }
  .section-heading > .text-link { margin-top: 22px; }
  .three-columns { grid-template-columns: 1fr; }
  .two-columns { grid-template-columns: 1fr; }
  .card-symbol { margin-bottom: 24px; }
  .course-art { min-height: 170px; }
  .cta-panel { padding: 34px; align-items: flex-start; flex-direction: column; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px 25px; }
  .footer-about { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 7px; }
  .section-intro { max-width: 540px; }
}
@media (max-width: 420px) {
  .container { width: calc(100% - 32px); }
  h1 { font-size: 2.85rem; }
  .button-row { flex-direction: column; align-items: stretch; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-panel, .programme-panel, .catalogue-card { padding: 24px; }
  .cta-panel { padding: 28px; }
  .event-row { grid-template-columns: 28px 1fr; gap: 15px; }
  .visual-topline, .visual-bottomline { padding: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .button:hover { transform: none; }
}
@media print {
  :root { color-scheme: light; }
  body { background: white; color: black; }
  .site-header, .site-footer, .button, .course-filters, .pipeline-visual { display: none !important; }
  .container { width: 100%; }
  .section { padding-block: 24px; }
  .section-tinted, .feature-card, .catalogue-card, .form-panel { background: white; border-color: #aaa; }
  p, .eyebrow, .check-list li, .highlight { color: black !important; }
  .card-grid, .hero-grid, .contact-grid { display: block; }
  article { break-inside: avoid; margin-bottom: 20px; }
}