/* Fabrica website. Values come from the Fabrica design system tokens. */

@font-face {
  font-family: "Archivo Expanded";
  src: url("fonts/ArchivoExpanded-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("fonts/Archivo-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/IBMPlexMono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/IBMPlexMono-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

/* ---------- Tokens: Daylight ---------- */
:root {
  color-scheme: light;
  --paper: #f3f0e9;
  --paper-raised: #fbf9f4;
  --paper-sunken: #e8e4da;
  --steam: #ece8df;
  --graphite: #1b1a18;
  --graphite-soft: #57534c;
  --hairline: #d6d0c4;
  --rule-strong: #8a8478;
  --hivis: #ff5b14;
  --on-hivis: #1b1a18;
  --hivis-ink: #b33a05;
  --blueprint: #2350c4;
  --sand: #dccaa6;
  --term: #1b1a18;
  --term-ink: #ece7dd;
  --term-muted: #9d978c;
  --term-rule: #34312d;
  --term-add: #6fd39a;
  --term-upd: #e6be6a;
  --term-del: #f08f7f;
  --shadow-slab: 4px 4px 0 #1b1a18;

  --font-display: "Archivo Expanded", "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  --radius-1: 2px;
  --radius-2: 4px;
  --stroke-hair: 1px;
  --stroke-pencil: 1.5px;
  --stroke-firm: 2px;
  --stroke-beam: 4px;

  --ease: cubic-bezier(.2, .8, .2, 1);
  --gutter: clamp(16px, 4vw, 40px);
  --section: clamp(var(--space-16), 9vw, 128px);
}

/* ---------- Tokens: Night shift ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #151413;
    --paper-raised: #1f1d1b;
    --paper-sunken: #0e0d0c;
    --steam: #2a2724;
    --graphite: #f1ede4;
    --graphite-soft: #b8b2a7;
    --hairline: #34312d;
    --rule-strong: #77716a;
    --blueprint: #86a8ff;
    --hivis-ink: #ff8448;
    --sand: #4d4231;
    --term: #0b0a09;
    --shadow-slab: 4px 4px 0 #57534c;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--graphite);
  font: 400 17px/28px var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-kerning: normal;
}
img, svg { display: block; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: inherit; }
strong { font-weight: 650; }
::selection { background: var(--hivis); color: var(--on-hivis); }

a { color: inherit; }
.prose a, .link {
  color: var(--graphite);
  text-decoration: underline;
  text-decoration-color: var(--blueprint);
  text-decoration-thickness: var(--stroke-firm);
  text-underline-offset: 4px;
  transition: text-decoration-color 120ms linear;
}
.prose a:hover, .link:hover { text-decoration-color: var(--graphite); }

:focus-visible {
  outline: var(--stroke-firm) solid var(--blueprint);
  outline-offset: 2px;
  border-radius: var(--radius-1);
}

.wrap { width: 100%; max-width: calc(1200px + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }

.skip {
  position: absolute; left: var(--gutter); top: -100px; z-index: 10;
  padding: var(--space-3) var(--space-4);
  background: var(--graphite); color: var(--paper);
  font-weight: 600; text-decoration: none;
}
.skip:focus { top: var(--space-3); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Type ---------- */
.display-xl {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(52px, 2.6vw + 40px, 84px);
  line-height: .95;
  letter-spacing: -0.02em;
}
.display-l {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 1.6vw + 25px, 48px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.title {
  font-family: var(--font-sans);
  font-size: 20px;
  line-height: 26px;
  font-weight: 650;
}
.lead {
  font-size: clamp(19px, .35vw + 17.5px, 22px);
  line-height: 1.5;
  max-width: 34em;
  text-wrap: pretty;
}
.body-s { font-size: 15px; line-height: 22px; }
.label { font-size: 13px; line-height: 18px; font-weight: 600; }

/* ---------- Header ---------- */
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  height: 88px;
}
.home-link { display: inline-flex; padding: var(--space-2) 0; border-radius: var(--radius-1); }
.logo { height: 28px; width: auto; }
.logo .ink { fill: var(--graphite); }
.logo .accent { fill: var(--hivis); }
.nav { display: flex; align-items: center; gap: var(--space-1); margin-right: calc(-1 * var(--space-3)); }
.nav a {
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 0 var(--space-3);
  font-size: 16px; line-height: 20px; font-weight: 600;
  text-decoration: none; color: var(--graphite);
  border-radius: var(--radius-1);
  transition: background-color 120ms linear;
}
.nav a:hover { background: var(--steam); }

/* ---------- Buttons ---------- */
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 52px; padding: 0 var(--space-6);
  font: 700 19px/24px var(--font-sans);
  text-decoration: none; white-space: nowrap;
  color: var(--graphite); background: var(--paper-raised);
  border: var(--stroke-firm) solid var(--rule-strong);
  border-radius: var(--radius-1);
  cursor: pointer;
  transition: transform 120ms var(--ease), box-shadow 120ms var(--ease), background-color 120ms linear, border-color 120ms linear;
}
.btn:hover { border-color: var(--graphite); background: var(--steam); }
.btn--primary { background: var(--hivis); color: var(--on-hivis); border-color: var(--on-hivis); }
.btn--primary:hover { background: var(--hivis); transform: translate(-2px, -2px); box-shadow: var(--shadow-slab); }
.btn--primary:active { transform: none; box-shadow: none; }
.btn .arrow { font-weight: 700; transition: transform 120ms var(--ease); }
.btn:hover .arrow { transform: translateX(2px); }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(var(--space-8), 5vw, 72px) var(--section); overflow-x: clip; }
.hero-grid { display: grid; gap: clamp(var(--space-12), 6vw, 88px); }
.hero-copy { display: grid; gap: clamp(var(--space-6), 3vw, 40px); }
.hero .display-xl { font-size: clamp(48px, 7.4vw, 108px); line-height: .92; }
.hero-sub {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-8);
  align-items: end;
}
.hero-sub .actions { justify-content: flex-end; }
.hero .lead { max-width: 33em; }
.hero .lead strong { font-weight: 650; }

/* Pencil stroke under the one word that carries the idea */
.pencil { position: relative; display: inline-block; white-space: nowrap; z-index: 0; }
.pencil svg {
  position: absolute; left: -2%; width: 98%; bottom: -0.16em; height: 0.36em; z-index: -1;
  fill: none; stroke: var(--hivis); stroke-linecap: round; stroke-linejoin: round; overflow: visible;
}

/* The mark at site scale: hoisted beam, stem, and the terminal as the crossbar */
.site-mark {
  --stem: clamp(16px, 5.6vw, 80px);
  position: relative;
  display: grid;
  grid-template-columns: var(--stem) minmax(0, 820px) minmax(0, 1fr);
  grid-template-rows: auto clamp(16px, 3vw, 40px) auto clamp(32px, 6vw, 88px);
}
.site-mark .beam {
  grid-column: 1 / -1; grid-row: 1;
  height: clamp(24px, 3.4vw, 48px);
  margin-bottom: clamp(10px, 1.2vw, 16px);
  margin-right: calc(-1 * (var(--gutter) + max(0px, (100vw - 1200px - 2 * var(--gutter)) / 2)));
  background: var(--hivis);
}
.site-mark .stem { grid-column: 1; grid-row: 2 / 5; background: var(--graphite); }
.site-mark .term { grid-column: 2; grid-row: 3; }
.site-mark .footing { grid-column: 2; grid-row: 4; }
@media (prefers-color-scheme: dark) {
  .site-mark .term { box-shadow: inset 0 0 0 1px var(--term-rule); }
}

/* Pencil annotations beside the terminal: process made visible */
.notes { grid-column: 3; grid-row: 3; position: relative; }
.note {
  position: absolute; left: 0; right: 0;
  display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: var(--space-3); align-items: center;
  font-size: 16px; line-height: 24px; text-wrap: balance;
  transition: opacity 360ms linear, transform 360ms var(--ease);
}
.note svg { width: 64px; height: 28px; fill: none; stroke: var(--graphite); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; overflow: visible; }
.note--move { top: 214px; }
.note--plan { top: 303px; }
.js .notes.is-waiting .note { opacity: 0; transform: translateX(-6px); }
.js .notes.is-waiting .note.on { opacity: 1; transform: none; }
@media (max-width: 1180px) { .notes { display: none; } }

@media (prefers-reduced-motion: no-preference) {
  .js .site-mark .beam { animation: hoist 420ms var(--ease) 120ms both; }
}
@keyframes hoist {
  from { transform: translateY(-8px); }
  to { transform: none; }
}

/* ---------- Terminal ---------- */
.term { margin: 0; background: var(--term); color: var(--term-ink); min-width: 0; }
.term-bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  font: 600 13px/18px var(--font-sans);
  color: var(--term-ink);
  border-bottom: var(--stroke-hair) solid var(--term-rule);
}
.term-live { display: inline-flex; align-items: center; gap: var(--space-2); opacity: 0; transition: opacity 200ms linear; }
.term.is-live .term-live { opacity: 1; }
.term-body {
  margin: 0; padding: var(--space-4) var(--space-6) var(--space-6) var(--space-4);
  overflow-x: auto;
  font: 400 14px/22px var(--font-mono);
  tab-size: 2;
}
.term-body .l { display: block; white-space: pre; min-height: 22px; }
.term-body .cmd { font-weight: 600; }
.term-body .cmd + .l { margin-top: 2px; }
.term-body .gap { margin-top: var(--space-3); }
.term-body .p { color: var(--term-ink); }
.term-body .add, .term-body .ok { color: var(--term-add); }
.term-body .upd { color: var(--term-upd); }
.term-body .del { color: var(--term-del); }
.js .term.is-playing .l { visibility: hidden; }
.js .term.is-playing .l.on { visibility: visible; }

.steam { display: inline-flex; align-items: flex-end; gap: 2px; height: 12px; color: var(--hivis); }
.steam i {
  display: block; width: 2px; height: 10px; border-radius: 2px; background: currentColor;
  animation: steam 1.6s cubic-bezier(.4, 0, .2, 1) infinite;
}
.steam i:nth-child(2) { animation-delay: .25s; height: 12px; }
.steam i:nth-child(3) { animation-delay: .5s; }
@keyframes steam {
  0% { transform: translateY(2px) scaleY(.5); opacity: 0; }
  40% { opacity: .95; }
  100% { transform: translateY(-4px) scaleY(1); opacity: 0; }
}

/* ---------- Sections ---------- */
.section { padding-block: var(--section); }
.section + .section { padding-top: 0; }
.section-head { display: grid; gap: var(--space-6); max-width: 760px; margin-bottom: clamp(var(--space-12), 5vw, 72px); }
.section-head .lead { max-width: 36em; }
/* A lead that runs the full width, so it stays on one line where it fits */
.section-head--wide { max-width: none; }
.section-head--wide h2 { max-width: 760px; }
.section-head--wide .lead { max-width: none; }

/* Problem: two columns, a ruled list */
.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-8), 5vw, 80px);
  align-items: start;
}
.split-head { display: grid; gap: var(--space-6); }
.ruled { list-style: none; margin: 0; padding: 0; border-top: var(--stroke-firm) solid var(--graphite); }
.ruled li {
  display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: var(--space-2);
  padding: var(--space-6) 0;
  border-bottom: var(--stroke-hair) solid var(--hairline);
  font-size: 19px; line-height: 29px;
  text-wrap: pretty;
}
.ruled .n { font: 800 15px/29px var(--font-display); }
.after { margin-top: var(--space-8); font-size: 19px; line-height: 29px; max-width: 32em; text-wrap: pretty; }

/* How it works: the factory, drawn on the blueprint grid */
.drafting {
  position: relative;
  padding: clamp(var(--space-6), 5vw, var(--space-16));
  background-color: var(--paper-raised);
  background-image:
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--blueprint) 42%, transparent) 1.1px, transparent 1.6px),
    linear-gradient(to right, color-mix(in srgb, var(--blueprint) 10%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--blueprint) 10%, transparent) 1px, transparent 1px);
  background-size: 24px 24px, 96px 96px, 96px 96px;
  background-position: -1px -1px, -1px -1px, -1px -1px;
  border: var(--stroke-hair) solid var(--hairline);
}
.factory {
  --gap-col: 132px;
  --gap-row: 96px;
  display: grid;
  --node-width: 320px;
  grid-template-columns: minmax(0, var(--node-width)) var(--gap-col) minmax(0, var(--node-width));
  /* 1.2 times the height the boxes' content needs on each row */
  grid-template-rows: minmax(162px, auto) var(--gap-row) minmax(133px, auto);
  justify-content: center;
  align-items: stretch;
}
.factory .branch { display: contents; }
/* The parts Fabrica itself provides, framed together on the top row */
.group {
  position: relative;
  grid-column: 1 / -1; grid-row: 1;
  margin: calc(-1 * var(--space-6));
  border: var(--stroke-firm) solid var(--hivis);
  border-radius: var(--radius-2);
  pointer-events: none;
}
.group-label {
  position: absolute; left: var(--space-4); top: -14px;
  padding: 0 var(--space-2);
  background: var(--paper-raised);
  color: var(--hivis-ink);
  font-size: 19px; line-height: 24px; font-weight: 700;
}
.node {
  position: relative;
  display: grid; align-content: start; gap: var(--space-2);
  padding: var(--space-6);
  background: var(--paper-raised);
  border: var(--stroke-pencil) solid var(--graphite);
  border-top: var(--stroke-beam) solid var(--graphite);
  border-radius: 0 0 var(--radius-2) var(--radius-2);
}
.node p { font-size: 16px; line-height: 24px; text-wrap: pretty; }.node--blueprint { grid-column: 1; grid-row: 1; border-top-color: var(--hivis); }
.node--mcp { grid-column: 3; grid-row: 1; border-top-color: var(--hivis); }
.node--product { grid-column: 1; grid-row: 3; }
.node--agents { grid-column: 3; grid-row: 3; }

.wire { position: relative; }
.wire::before { content: ""; position: absolute; background: var(--graphite); }
.wire::after {
  content: ""; position: absolute; width: 9px; height: 9px;
  border-top: var(--stroke-pencil) solid var(--graphite);
  border-right: var(--stroke-pencil) solid var(--graphite);
}
/* The wires run clockwise: right into the MCP server, down to the agents, left into the product repos */
.wire--mcp { grid-column: 2; grid-row: 1; }
.wire--act { grid-column: 2; grid-row: 3; }
.wire--mcp::before, .wire--act::before { left: 6px; right: 6px; top: 50%; height: var(--stroke-pencil); }
.wire--mcp::after { right: 6px; top: calc(50% - 4px); transform: rotate(45deg); }
.wire--act::after { left: 6px; top: calc(50% - 4px); transform: rotate(-135deg); }
.wire--agents { grid-column: 3; grid-row: 2; }
.wire--agents::before { top: 0; bottom: 6px; left: 50%; width: var(--stroke-pencil); }
.wire--agents::after { bottom: 6px; left: calc(50% - 3.75px); transform: rotate(135deg); }

/* Composable blueprints: the title on the left, the explanation on the right */
.compose {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-8), 5vw, 80px);
  align-items: start;
  margin-top: clamp(var(--space-12), 6vw, 88px);
}
.compose-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 1.1vw + 20px, 36px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
.compose-copy {
  font-size: clamp(21px, .7vw + 17px, 28px);
  line-height: 1.42;
  max-width: 24em;
  text-wrap: pretty;
}
.compose-copy strong { font-weight: 650; }

/* Get started */
.section-head--split {
  max-width: none;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-6) clamp(var(--space-8), 5vw, 80px);
  align-items: end;
}
@media (min-width: 961px) {
  .section-head--split .lead { justify-self: end; text-align: right; }
}
.install { display: grid; gap: var(--space-3); margin-bottom: clamp(var(--space-12), 6vw, 88px); }
.code--install pre { font-size: 15px; line-height: 24px; padding: var(--space-6) var(--space-4); }
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(var(--space-12), 5vw, 72px) clamp(var(--space-8), 5vw, 80px);
  counter-reset: step;
}
.step { display: grid; grid-template-columns: 48px minmax(0, 1fr); grid-template-rows: auto auto 1fr; column-gap: var(--space-4); row-gap: var(--space-3); }
.step::before {
  counter-increment: step; content: counter(step);
  grid-row: 1 / 3;
  font: 800 28px/32px var(--font-display);
}
.step h3 { padding-top: 3px; }
.step p { grid-column: 2; }
.step .code { grid-column: 2; margin-top: var(--space-2); align-self: start; }
.step .code pre { font-size: 13px; line-height: 21px; }
@media (max-width: 1180px) { .steps { grid-template-columns: minmax(0, 1fr); max-width: 760px; } }

/* Code blocks: wells, the one place besides the terminal for monospace */
.code {
  position: relative;
  margin: 0;
  background: var(--paper-sunken);
  border-top: var(--stroke-beam) solid var(--graphite);
  min-width: 0;
}
.code-bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  min-height: 44px; padding: 0 var(--space-2) 0 var(--space-4);
  border-bottom: var(--stroke-hair) solid var(--hairline);
  font: 600 14px/20px var(--font-sans);
}
.code pre {
  margin: 0; padding: var(--space-4);
  overflow-x: auto;
  font: 400 14px/22px var(--font-mono);
  tab-size: 2;
}
.code pre b { font-weight: 600; }
.code .p { user-select: none; -webkit-user-select: none; }
.code--wrap pre { white-space: pre-wrap; overflow-wrap: anywhere; }

.copy {
  display: inline-flex; align-items: center; gap: var(--space-2);
  min-height: 44px; min-width: 44px; padding: 0 var(--space-3);
  font: 600 14px/20px var(--font-sans);
  color: var(--graphite); background: transparent;
  border: 0; border-radius: var(--radius-1);
  cursor: pointer;
  transition: background-color 120ms linear;
}
.copy:hover { background: var(--steam); }
.copy svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: square; }
.copy .done { display: none; }
.copy.is-done .idle { display: none; }
.copy.is-done .done { display: inline; }

.install-note { font-size: 15px; line-height: 22px; }
.app-shot { display: block; margin-top: var(--space-6); }
.app-shot img { display: block; width: 100%; max-width: 780px; height: auto; border-radius: 10px; }

/* The magic prompt: a sand slab */
.slab { background: var(--sand); padding-block: var(--section); }
.prompt-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-8), 5vw, 80px);
  align-items: start;
}
.prompt-grid .code { background: var(--paper-raised); border-top-color: var(--graphite); }
.prompt-head { display: grid; gap: var(--space-6); }

/* The closing call to action: one big line, one button */
.cta { padding-block: clamp(var(--space-24), 13vw, 192px); }
.cta-inner { display: grid; justify-items: start; gap: clamp(var(--space-8), 4vw, var(--space-12)); }
.cta-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(44px, 5.6vw, 84px);
  line-height: .95;
  letter-spacing: -0.02em;
  max-width: 11em;
  text-wrap: balance;
}
.btn--lg { min-height: 60px; padding: 0 var(--space-8); font-size: 20px; }

/* ---------- Footer ---------- */
.site-footer {
  --blueprint: #86a8ff;
  background: var(--term);
  color: var(--term-ink);
  padding-block: clamp(var(--space-12), 7vw, var(--space-24)) var(--space-8);
}
.site-footer .logo .ink { fill: var(--term-ink); }
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) repeat(2, minmax(0, 2fr)) minmax(0, 3fr);
  gap: var(--space-8);
  align-items: start;
}
.footer-grid h2 { font-size: 15px; line-height: 20px; font-weight: 700; color: var(--term-ink); margin-bottom: var(--space-3); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; }
.footer-grid li a {
  display: inline-flex; align-items: center; min-height: 44px;
  font-size: 16px; line-height: 22px; font-weight: 500;
  color: var(--term-ink); text-decoration: none;
}
.footer-grid li a:hover { text-decoration: underline; text-decoration-color: var(--hivis); text-decoration-thickness: 2px; text-underline-offset: 4px; }
.footer-tag { margin-top: var(--space-4); font-size: 16px; line-height: 24px; max-width: 22em; }
.footer-base {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4);
  margin-top: clamp(var(--space-12), 6vw, var(--space-24));
  padding-top: var(--space-6);
  border-top: var(--stroke-hair) solid var(--term-rule);
  font-size: 15px; line-height: 22px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .factory { --gap-col: 96px; }
}

@media (max-width: 960px) {
  .hero-sub, .split, .prompt-grid, .section-head--split, .steps, .compose { grid-template-columns: minmax(0, 1fr); }
  .hero-sub .actions { justify-content: flex-start; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }

  /* The factory becomes a chain: the blueprint, the MCP server that serves it, the agents it serves, and the product repos they work on */
  .factory { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: none; }
  .factory .branch {
    display: grid; gap: var(--space-3);
    position: relative;
    margin-left: var(--space-6);
    padding: var(--space-8) 0 0 var(--space-8);
    border-left: var(--stroke-pencil) solid var(--graphite);
  }
  .factory .branch:last-child { border-left-color: transparent; }
  .factory .branch:last-child::before {
    content: ""; position: absolute; left: calc(-1 * var(--stroke-pencil)); top: 0; height: calc(var(--space-8) + 11px);
    width: var(--stroke-pencil); background: var(--graphite);
  }
  .factory .node { grid-column: auto; grid-row: auto; }
  .factory .wire { grid-column: auto; grid-row: auto; min-height: 20px; }
  .factory .wire::before {
    left: calc(-1 * var(--space-8)); right: auto; top: 50%; bottom: auto; width: calc(var(--space-8) - var(--space-2)); height: var(--stroke-pencil);
  }
  .factory .wire::after {
    left: calc(-1 * var(--space-2) - 10px); right: auto; top: calc(50% - 4px); bottom: auto; transform: rotate(45deg);
  }
  .factory .group { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; line-height: 26px; }
  .site-header .wrap { height: 72px; }
  .logo { height: 24px; }
  .nav a { padding: 0 var(--space-2); font-size: 15px; }
  .nav .nav-extra { display: none; }
  .site-mark { --stem: 16px; grid-template-columns: var(--stem) minmax(0, 1fr); margin-inline: calc(-1 * var(--gutter)); }
  .site-mark .beam { margin-right: 0; margin-left: var(--gutter); }
  .term-body { font-size: 12.5px; line-height: 20px; padding: var(--space-3) var(--space-4) var(--space-4) var(--space-3); }
  .term-body .l { min-height: 20px; white-space: pre-wrap; padding-left: 2ch; text-indent: -2ch; }
  .code--install pre { font-size: 13px; line-height: 20px; white-space: pre-wrap; padding: var(--space-4); }
  .ruled li, .after { font-size: 17px; line-height: 27px; }
  .ruled li { grid-template-columns: 32px minmax(0, 1fr); padding: var(--space-4) 0; }
  .step { grid-template-columns: 32px minmax(0, 1fr); column-gap: var(--space-3); }
  .step::before { font-size: 22px; line-height: 30px; }
  .factory .branch { margin-left: var(--space-4); padding-left: var(--space-6); }
  .factory .wire::before { left: calc(-1 * var(--space-6)); width: calc(var(--space-6) - var(--space-2)); }
  .footer-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .actions .btn { flex: 1 1 auto; }
}

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