:root {
  color-scheme: dark;
  --background: #111714;
  --panel: #18201c;
  --line: #35423a;
  --ink: #f3f5eb;
  --muted: #adb9ad;
  --accent: #d5f78a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font: 1rem/1.6 system-ui, sans-serif;
}
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.shell { width: min(1100px, 100% - 3rem); margin-inline: auto; }
.site-header, footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 1.5rem; font-weight: 750; letter-spacing: -.06em; }
.brand span, h1 em { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: .4rem clamp(.8rem, 4vw, 2rem); color: var(--muted); }
nav a, .brand, .actions a { text-decoration: none; }
nav a:hover, .text-link:hover { color: var(--accent); }

.hero { padding-block: clamp(3rem, 9vw, 7rem) 2.5rem; }
.label, figcaption, .status {
  font: .78rem/1.5 ui-monospace, monospace;
  letter-spacing: .065em;
}
.label { color: var(--accent); }
.dot {
  display: inline-block;
  width: .55rem;
  height: .55rem;
  margin-right: .4rem;
  border-radius: 50%;
  background: var(--accent);
}
h1, h2, p { margin: 0; }
h1 {
  margin-block: 1rem;
  font-size: clamp(2.8rem, 9vw, 7rem);
  line-height: .97;
  letter-spacing: -.07em;
}
h1 em { font-style: normal; }
h2 { font-size: clamp(1.7rem, 4vw, 3rem); line-height: 1.1; letter-spacing: -.045em; }
.intro { max-width: 38rem; color: var(--muted); font-size: 1.16rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: 1.75rem; }
.button {
  display: inline-flex;
  gap: 1rem;
  padding: .75rem 1rem;
  border-radius: .35rem;
  background: var(--accent);
  color: #182011;
  font-weight: 700;
}
.button:hover { background: #e5ffb4; }
.text-link { color: var(--muted); }

.pipeline, .output {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: .65rem;
  background: var(--panel);
}
.pipeline img, .output img { display: block; width: 100%; height: auto; }
.pipeline a, .output a { display: block; }
.pipeline a:focus-visible, .output a:focus-visible { outline-offset: -4px; }
figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .25rem 1rem;
  padding: .75rem 1rem;
  color: var(--muted);
}
dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; }
dd, footer span { color: var(--muted); }

.features, .examples, .specs { padding-block: clamp(2rem, 6vw, 4.5rem); border-top: 1px solid var(--line); }
.features dl { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 0; }
.features dl > div { border-top: 1px solid var(--line); padding-top: .9rem; }
.case {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  align-items: start;
  gap: clamp(1rem, 4vw, 3rem);
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.case h3 { margin: .5rem 0 .75rem; font-size: clamp(1.35rem, 3vw, 2rem); line-height: 1.15; }
.case h3 + p, .more li { color: var(--muted); }
.finding { margin-top: 1rem; border-left: 2px solid var(--accent); padding-left: .85rem; }
.diagram-link { margin-top: .75rem; }
.result-table { overflow-x: auto; border: 1px solid var(--line); border-radius: .65rem; background: var(--panel); }
table { width: 100%; border-collapse: collapse; text-align: left; font-variant-numeric: tabular-nums; }
caption, th, td { padding: .55rem .75rem; }
caption { color: var(--muted); text-align: left; }
th, td { border-top: 1px solid var(--line); }
.more { margin-top: 2.5rem; }
.more summary { cursor: pointer; color: var(--accent); }
.more li + li { margin-top: .4rem; }
.more strong { color: var(--ink); }
.specs h3 { margin: 1.5rem 0 .5rem; }
.specs p { max-width: 72ch; color: var(--muted); }
.specs p + p { margin-top: .75rem; }
.node-catalog { margin-block: 1rem 2rem; }
.node-catalog details { border-block-start: 1px solid var(--line); }
.node-catalog details:last-child { border-block-end: 1px solid var(--line); }
.node-catalog summary { padding: .7rem .25rem; cursor: pointer; color: var(--accent); }
.node-catalog summary span { float: right; color: var(--muted); }
.node-list { margin: 0 0 1rem; padding-inline-start: 1.5rem; }
.node-list li + li { margin-top: .25rem; }
.node-list code { color: var(--muted); overflow-wrap: anywhere; }

.workflow, .download { padding-block: clamp(2rem, 6vw, 4.5rem); }
section h2 { margin-block: .6rem 1rem; }
dt { font-weight: 700; }
dd { margin: .4rem 0 0; }
.download {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  border-block: 1px solid var(--line);
}
.download div > p:last-child { color: var(--muted); }
.status {
  padding: .6rem .8rem;
  border: 1px solid var(--line);
  border-radius: .35rem;
  color: var(--muted);
}
footer { border: 0; }

@media (max-width: 700px) {
  .shell { width: calc(100% - 2rem); }
  .site-header { flex-wrap: wrap; }
  .case, dl, .features dl { grid-template-columns: 1fr; gap: 1rem; }
}

/* A benefit-led sketch, with the working canvas as product evidence. */
:root { --background: #101713; --panel: #19231c; --line: #344239; --muted: #b0bcb1; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
.shell { width: min(1240px, 100% - 5rem); }
.site-header { padding-block: 1.6rem; }
.brand { font-size: 1.9rem; }
nav { align-items: center; font-size: .85rem; gap: 1.8rem; }
.nav-cta { padding: .6rem .8rem; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); }
.hero { display: grid; grid-template-columns: 1.7fr 1fr; gap: 4rem; align-items: center; padding-block: 5rem 4rem; }
h1 { font-size: clamp(3.5rem, 6.7vw, 6.4rem); line-height: 1.01; letter-spacing: -.065em; margin-block: 1.3rem 1.6rem; }
.intro { max-width: 36rem; font-size: 1.25rem; color: var(--ink); line-height: 1.5; }
.hero-detail { margin-top: 1rem; max-width: 34rem; color: var(--muted); }
.availability { margin-top: 1.3rem; color: var(--muted); font-size: .75rem; }
.button { padding: .85rem 1.2rem; text-decoration: none; }
.hero-note { border-top: 1px solid var(--accent); border-bottom: 1px solid var(--line); padding: 1.5rem 0; }
.mini-step { display: flex; gap: 1rem; padding-top: 1.9rem; }
.mini-step > span { font: .8rem ui-monospace, monospace; color: var(--accent); padding-top: .35rem; }
.mini-step strong { font-size: 1.05rem; font-weight: 550; }
.mini-step small { display: block; color: var(--muted); margin-top: .3rem; font-size: .82rem; }
.note-bottom { margin-top: 1.9rem; padding-top: 1.3rem; border-top: 1px solid var(--line); font-size: .9rem; color: var(--accent); }
.canvas-heading { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.canvas-heading > p:last-child { font-size: .85rem; color: var(--muted); }
.pipeline { box-shadow: 0 24px 70px #0004; }
.value { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1rem 5rem; padding-block: 6rem; }
.value .label { grid-column: 1 / -1; }
.value h2 { margin: 0; font-size: clamp(2rem, 3.4vw, 3rem); }
.value > p:last-child { color: var(--muted); align-self: center; max-width: 46ch; }
.workflow { border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-bottom: 2.3rem; }
.section-heading > p { max-width: 24ch; color: var(--muted); margin-bottom: 1rem; }
.step-number { display: block; font: .85rem ui-monospace, monospace; color: var(--accent); margin-bottom: 1.4rem; }
.workflow dt { font-size: 1.2rem; }
.workflow dd { max-width: 35ch; }
.features dl { gap: 2.5rem 4rem; }
.features dt { font-size: 1.2rem; }
.feature-mark { color: var(--accent); display: inline-block; width: 1.8rem; }
.assistant-note { padding: 1.3rem 1.6rem; margin-top: 2.5rem; background: var(--panel); color: var(--muted); border-left: 2px solid var(--accent); }
.assistant-note strong { color: var(--ink); }
.case { padding-top: 2.5rem; margin-top: 2.5rem; align-items: center; }
.technical-details { margin-top: 2rem; }
.technical-details > summary { color: var(--accent); cursor: pointer; padding: 1.2rem 0; border-block: 1px solid var(--line); }
summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.download { padding: 3rem; background: var(--accent); color: var(--background); border-radius: .6rem; margin-bottom: 2rem; }
.download .label, .download div > p:last-child { color: #34452c; }
.download p { max-width: 48ch; }
.download .button { color: var(--accent); background: var(--background); }
.download-action { display: flex; flex-direction: column; align-items: start; gap: .7rem; }
.download .status { border: none; color: #34452c; padding: 0; letter-spacing: 0; }
footer { font-size: .8rem; padding-bottom: 2rem; }
.skip-link { position: absolute; left: 1rem; top: -100px; padding: .6rem 1rem; background: var(--accent); color: #111; z-index: 10; }
.skip-link:focus { top: 1rem; }
@media (max-width: 1000px) { .hero { gap: 2rem; } .shell { width: calc(100% - 3rem); } nav { gap: 1rem; } }
@media (max-width: 760px) {
  .shell { width: calc(100% - 2rem); }
  .site-header { flex-wrap: wrap; }
  nav { font-size: .75rem; gap: .8rem; }
  .nav-cta { padding: 0; border: 0; }
  .hero { grid-template-columns: 1fr; padding-block: 3rem; gap: 2.5rem; }
  h1 { font-size: clamp(3.2rem, 10vw, 5.5rem); }
  .hero-note { padding: 1.3rem; background: var(--panel); }
  .canvas-heading { display: block; }
  .canvas-heading > p:last-child { margin-top: .3rem; }
  .value { grid-template-columns: 1fr; padding-block: 3.5rem; gap: 1.2rem; }
  .section-heading { display: block; margin-bottom: 1.6rem; }
  .section-heading > p { max-width: none; }
  .workflow dl, .features dl, .case { grid-template-columns: 1fr; gap: 1.8rem; }
  .workflow dd { max-width: none; }
  .download { padding: 1.5rem; }
  footer { align-items: start; }
  footer > span { max-width: 23ch; text-align: right; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }