:root {
  --bg: #030805;
  --bg-soft: #06100a;
  --panel: #07140c;
  --panel-2: #091a10;
  --green: #66ff9a;
  --green-strong: #8affad;
  --green-dim: #285d3b;
  --text: #e8f6ec;
  --muted: #8ea497;
  --line: #183f27;
  --line-strong: #2d7d49;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--mono); line-height: 1.55; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
::selection { color: #021108; background: var(--green); }

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: .025;
  background: repeating-linear-gradient(180deg, transparent 0 3px, rgba(137,255,174,.35) 4px);
}

.shell { width: min(var(--max), calc(100% - 64px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(3, 8, 5, .95);
  backdrop-filter: blur(10px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; }
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--green);
  font-weight: 800;
}
.brand-copy { display: grid; gap: 1px; }
.brand-copy strong { font-family: var(--sans); letter-spacing: .08em; font-size: 14px; }
.brand-copy small { color: var(--muted); font-size: 9px; letter-spacing: .08em; }
.main-nav { display: flex; gap: 30px; }
.main-nav a { color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.main-nav a:hover { color: var(--green); }
.header-meta { justify-self: end; display: flex; align-items: center; gap: 15px; }
.clock { color: var(--muted); font-size: 11px; }
#language-toggle {
  width: 42px;
  height: 34px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--green);
  cursor: pointer;
}
#language-toggle:hover { border-color: var(--line-strong); }

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(480px, 700px);
  gap: clamp(44px, 6vw, 96px);
  align-items: center;
  padding-block: 84px 78px;
}
.hero-copy { align-self: center; }
.release-tag, .eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.release-tag { display: flex; align-items: center; gap: 10px; }
.release-tag span { width: 8px; height: 8px; background: var(--green); box-shadow: 0 0 16px rgba(102,255,154,.65); }
.hero h1 {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(72px, 8.2vw, 138px);
  line-height: .78;
  letter-spacing: -.075em;
  font-weight: 900;
}
.hero-lead {
  max-width: 650px;
  margin: 42px 0 0;
  color: #b6c8bc;
  font-family: var(--sans);
  font-size: clamp(18px, 1.5vw, 23px);
  line-height: 1.52;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
}
.btn-primary { background: var(--green); color: #021108; border-color: var(--green); }
.btn-primary:hover { background: var(--green-strong); }
.btn-secondary { color: var(--green); background: transparent; }
.btn-secondary:hover { background: var(--panel); }
.release-meta { margin: 40px 0 0; display: flex; flex-wrap: wrap; gap: 22px 32px; }
.release-meta div { display: grid; gap: 3px; }
.release-meta dt { color: #4f6858; font-size: 9px; letter-spacing: .12em; }
.release-meta dd { margin: 0; color: #c9dacf; font-size: 11px; }

.hero-preview {
  position: relative;
  margin: 0;
  width: min(100%, 700px);
  min-width: 0;
  justify-self: end;
  border: 1px solid var(--line-strong);
  background: #010402;
  box-shadow: 0 24px 80px rgba(0,0,0,.4);
}
.preview-head {
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.preview-image-wrap {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 10px;
  background: #000;
  cursor: zoom-in;
}
.preview-image {
  width: 100%;
  height: auto;
  max-height: 340px;
  display: block;
  object-fit: contain;
}
.preview-float {
  position: fixed;
  z-index: 95;
  top: 50%;
  right: clamp(24px, 4vw, 72px);
  width: min(82vw, 1500px);
  max-width: calc(100vw - 48px);
  max-height: 86vh;
  object-fit: contain;
  border: 1px solid var(--line-strong);
  background: #000;
  box-shadow: 0 28px 100px rgba(0,0,0,.78), 0 0 0 1px rgba(102,255,154,.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-50%) scale(.97);
  transform-origin: center right;
  transition: opacity .14s ease, transform .14s ease, visibility 0s linear .14s;
}
.preview-image-wrap:hover .preview-float {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) scale(1);
  transition-delay: 0s;
}
.hero-preview figcaption {
  padding: 11px 14px 12px;
  border-top: 1px solid var(--line);
  color: #718779;
  font-size: 10px;
}

.download-strip { border-block: 1px solid var(--line); background: var(--bg-soft); }
.download-shell { display: grid; grid-template-columns: 1.2fr .8fr; gap: 0; }
.download-main, .upgrade-note { padding: 42px 0; }
.download-main { padding-right: 48px; border-right: 1px solid var(--line); }
.download-main h2, .section-heading h2 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 800;
  letter-spacing: -.035em;
}
.download-main h2 { font-size: clamp(28px, 2.5vw, 42px); }
.download-main > div > p:last-child { max-width: 750px; margin: 12px 0 0; color: var(--muted); font-family: var(--sans); }
.code-copy-row {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  border: 1px solid var(--line);
  background: #020704;
}
.code-copy-row code { padding: 15px 16px; overflow-wrap: anywhere; color: #c4fbd2; font-size: 11px; }
.copy-btn {
  min-width: 88px;
  border: 0;
  border-left: 1px solid var(--line);
  background: var(--panel);
  color: var(--green);
  cursor: pointer;
  font-size: 10px;
  font-weight: 800;
}
.copy-btn:hover { background: var(--panel-2); }
.upgrade-note { padding-left: 48px; }
.upgrade-note h3 { margin: 0 0 18px; font-family: var(--sans); font-size: 22px; }
.upgrade-note ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.upgrade-note li { display: grid; grid-template-columns: max-content 1fr; gap: 12px; align-items: baseline; }
.upgrade-note li code { color: var(--green); font-size: 11px; }
.upgrade-note li span { color: var(--muted); font-family: var(--sans); font-size: 13px; }
.upgrade-foot { margin: 19px 0 0; color: #72897a; font-family: var(--sans); font-size: 12px; line-height: 1.65; }

.workflow { padding-block: 96px; }
.section-heading { max-width: 880px; }
.section-heading.compact { margin-bottom: 38px; }
.section-heading h2 { font-size: clamp(34px, 4vw, 62px); line-height: 1.02; }
.section-heading > p:last-child { max-width: 780px; margin: 18px 0 0; color: var(--muted); font-family: var(--sans); font-size: 16px; }
.workflow-grid { margin-top: 50px; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.workflow-card { min-height: 280px; padding: 28px; background: #040a06; }
.workflow-card + .workflow-card { border-left: 1px solid var(--line); }
.card-kicker { color: var(--green-dim); font-size: 9px; letter-spacing: .12em; }
.workflow-card h3, .control-card h3 { margin: 48px 0 12px; font-family: var(--sans); font-size: 22px; letter-spacing: -.025em; }
.workflow-card p, .control-card p { margin: 0; color: var(--muted); font-family: var(--sans); font-size: 14px; line-height: 1.7; }
.control-pair { margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.control-card { position: relative; min-height: 245px; padding: 30px; border: 1px solid var(--line); background: var(--bg-soft); }
.control-card h3 { margin-top: 34px; }
.jump-command {
  margin-top: 26px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--green);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.commands-section { padding-block: 92px 110px; border-top: 1px solid var(--line); background: #020603; }
.command-accordion { border-top: 1px solid var(--line); }
.command-group { border-bottom: 1px solid var(--line); }
.command-toggle {
  width: 100%;
  min-height: 78px;
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 0 18px 0 4px;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}
.command-toggle:hover { background: var(--bg-soft); }
.command-index { color: var(--green-dim); font-size: 10px; }
.command-name { font-family: var(--sans); font-size: 20px; font-weight: 700; }
.command-summary { display: block; margin-top: 4px; color: var(--muted); font-family: var(--sans); font-size: 12px; font-weight: 400; }
.command-plus { color: var(--green); font-size: 22px; transition: transform .15s ease; }
.command-toggle[aria-expanded="true"] .command-plus { transform: rotate(45deg); }
.command-panel { display: none; padding: 0 0 24px 60px; }
.command-group.open .command-panel { display: block; }
.command-row {
  display: grid;
  grid-template-columns: minmax(250px, .72fr) 1fr auto;
  gap: 22px;
  align-items: center;
  min-height: 66px;
  padding: 11px 12px;
  border-top: 1px solid rgba(24,63,39,.68);
}
.command-row code { color: #a6ffc0; font-size: 12px; overflow-wrap: anywhere; }
.command-row p { margin: 0; color: var(--muted); font-family: var(--sans); font-size: 13px; }
.command-copy {
  width: 58px;
  height: 34px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--green);
  cursor: pointer;
  font-size: 9px;
  font-weight: 800;
}
.command-copy:hover { background: var(--panel); }
.behaviour-note { max-width: 920px; margin: 4px 12px 8px; padding: 12px 0 10px; color: #9eb4a6; font-family: var(--sans); font-size: 13px; line-height: 1.65; }

.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); }
.footer-shell { min-height: 72px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; color: #5f7768; font-size: 10px; }
.footer-shell span:nth-child(2) { justify-self: center; }
.footer-shell span:last-child { justify-self: end; }

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 120;
  padding: 11px 14px;
  border: 1px solid var(--line-strong);
  background: #06100a;
  color: var(--green);
  font-size: 10px;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .15s ease, transform .15s ease;
}
.toast.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 62px; }
  .hero-copy { max-width: 820px; }
  .hero-preview { max-width: 980px; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .workflow-card:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .workflow-card:nth-child(4) { border-top: 1px solid var(--line); }
  .download-shell { grid-template-columns: 1fr; }
  .download-main { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .upgrade-note { padding-left: 0; }
}

@media (max-width: 780px) {
  .shell { width: min(100% - 32px, var(--max)); }
  .site-header { height: 62px; grid-template-columns: 1fr auto; padding: 0 16px; }
  .main-nav { display: none; }
  .brand-copy small, .clock { display: none; }
  .hero { gap: 44px; padding-block: 52px 50px; }
  .hero h1 { font-size: clamp(58px, 21vw, 95px); }
  .hero-lead { margin-top: 30px; font-size: 17px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .release-meta { gap: 16px 24px; }
  .preview-image { max-height: none; }
  .preview-float { display: none; }
  .download-main, .upgrade-note { padding-block: 32px; }
  .code-copy-row { grid-template-columns: 1fr; }
  .copy-btn { min-height: 42px; border-left: 0; border-top: 1px solid var(--line); }
  .upgrade-note li { grid-template-columns: 1fr; gap: 3px; }
  .workflow { padding-block: 70px; }
  .workflow-grid, .control-pair { grid-template-columns: 1fr; }
  .workflow-card + .workflow-card { border-left: 0; border-top: 1px solid var(--line); }
  .workflow-card { min-height: 230px; }
  .command-toggle { grid-template-columns: 40px 1fr auto; padding-right: 8px; }
  .command-panel { padding-left: 0; }
  .command-row { grid-template-columns: 1fr auto; gap: 8px; padding: 14px 6px; }
  .command-row p { grid-column: 1; }
  .command-copy { grid-column: 2; grid-row: 1 / 3; }
  .footer-shell { grid-template-columns: 1fr auto; }
  .footer-shell span:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}