@font-face {
  font-family: "KA Bebas Neue";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/bebas-neue-400.woff2") format("woff2");
}

@font-face {
  font-family: "KA Barlow Condensed";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/barlow-condensed-400.woff2") format("woff2");
}

@font-face {
  font-family: "KA Barlow Condensed";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/barlow-condensed-600.woff2") format("woff2");
}

@font-face {
  font-family: "KA Barlow Condensed";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/barlow-condensed-700.woff2") format("woff2");
}

@font-face {
  font-family: "KA Caveat";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/caveat-600.woff2") format("woff2");
}

body.ka-guide-integrated {
  --ka-paper: #f2ecdd;
  --ka-paper-deep: #e9dfca;
  --ka-ink: #15130f;
  --ka-muted: #514a3d;
  --ka-red: #d82d1d;
  --ka-red-dark: #b91f15;
  --ka-cyan: #08a8d5;
  --ka-cyan-dark: #075d70;
  --ka-yellow: #f3c80f;
  --ka-green: #087c3a;
  --ka-pink: #ef6c88;
  --ka-content: 1480px;
  --ka-reading-width: 68ch;
  --ka-copy-size: clamp(1.125rem, 1.22vw, 1.22rem);
  --ka-copy-leading: 1.64;
  --ka-hero-title: clamp(3.4rem, 5.4vw, 5.35rem);
  --ka-chapter-title: clamp(2rem, 3vw, 3.25rem);
  --ka-section-title: clamp(2.4rem, 4.5vw, 4.1rem);
  --ka-section-space: clamp(4rem, 7vw, 6rem);
  --ka-module-gap: clamp(1rem, 2.5vw, 2rem);
  --ka-sticky-offset: 4.55rem;
  --ka-display: "KA Bebas Neue", "Arial Narrow", sans-serif;
  --ka-body: "KA Barlow Condensed", "Arial Narrow", sans-serif;
  --ka-script: "KA Caveat", cursive;
  min-width: 320px;
  overflow-x: clip;
  background: var(--ka-paper) !important;
  color: var(--ka-ink);
  font-family: var(--ka-body);
  font-size: 1.125rem;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.ka-guide-integrated::after {
  position: fixed;
  inset: 0;
  z-index: 95;
  pointer-events: none;
  content: "";
  opacity: 0.075;
  background-image:
    radial-gradient(circle at 20% 30%, #111 0 0.4px, transparent 0.7px),
    radial-gradient(circle at 80% 70%, #fff 0 0.5px, transparent 0.8px);
  background-size: 5px 5px, 7px 7px;
  mix-blend-mode: multiply;
}

body.ka-guide-integrated,
body.ka-guide-integrated * {
  box-sizing: border-box;
}

body.ka-guide-integrated :focus-visible {
  outline: 3px solid var(--ka-yellow) !important;
  outline-offset: 3px !important;
}

body.ka-guide-integrated ::selection {
  background: var(--ka-yellow);
  color: var(--ka-ink);
}

.ka-shell {
  width: min(100%, var(--ka-content));
  margin-inline: auto;
}

.ka-skip-link {
  position: fixed;
  top: -6rem;
  left: 1rem;
  z-index: 130;
  padding: 0.75rem 1rem;
  border: 1px solid var(--ka-ink);
  background: var(--ka-ink);
  color: var(--ka-paper) !important;
  font: 700 1rem/1 var(--ka-body);
  text-decoration: none;
}

.ka-skip-link:focus {
  top: 1rem;
}

.ka-brand-strip {
  position: relative;
  z-index: 88;
  height: 2rem;
  overflow: hidden;
  border-bottom: 1px solid var(--ka-ink);
  background: var(--ka-cyan);
  color: #64160f;
  font: 600 clamp(1.05rem, 1.8vw, 1.35rem)/1.2 var(--ka-script);
}

.ka-brand-strip .ka-shell {
  padding: 0.08rem 1.8rem 0.18rem;
}

.ka-site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  border-bottom: 1px solid var(--ka-ink);
  background: var(--ka-paper);
  box-shadow: 0 4px 10px rgb(21 19 15 / 0.11);
}

.ka-main-nav {
  position: relative;
  display: flex;
  min-height: 4.1rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0.35rem 1.8rem;
}

.ka-wordmark {
  color: var(--ka-ink) !important;
  font: 400 clamp(1.75rem, 3.2vw, 2.45rem)/1 var(--ka-display) !important;
  text-decoration: none !important;
  text-transform: uppercase;
  white-space: nowrap;
}

.ka-desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2.2vw, 2.15rem);
}

.ka-desktop-nav > a,
.ka-mobile-nav > summary,
.ka-mobile-nav > nav > a {
  color: var(--ka-ink) !important;
  font: 400 clamp(1.05rem, 1.5vw, 1.3rem)/1 var(--ka-display) !important;
  letter-spacing: 0 !important;
  text-decoration: none !important;
  text-transform: uppercase;
}

.ka-desktop-nav > a {
  padding-block: 0.55rem;
  border-bottom: 3px solid transparent;
}

.ka-desktop-nav > a:hover,
.ka-desktop-nav > a:focus-visible,
.ka-desktop-nav > a.ka-is-active,
.ka-desktop-nav > a[aria-current="page"] {
  border-color: var(--ka-red);
}

.ka-mobile-nav {
  margin: 0;
}

.ka-mobile-nav > summary {
  list-style: none;
  cursor: pointer;
}

.ka-mobile-nav > summary::-webkit-details-marker {
  display: none;
}

.ka-language-link {
  padding: 0.42rem 0.5rem !important;
  border: 2px solid var(--ka-ink) !important;
  border-radius: 0 !important;
  line-height: 1 !important;
}

.ka-language-link:hover,
.ka-language-link:focus-visible {
  border-color: var(--ka-red) !important;
  background: var(--ka-yellow) !important;
}

.ka-mobile-nav {
  display: none;
}

.ka-mobile-nav > summary {
  padding: 0.35rem 0.65rem;
  border: 2px solid var(--ka-ink);
}

.ka-mobile-nav > nav {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  display: grid;
  border-block: 1px solid var(--ka-ink);
  background: var(--ka-yellow);
  box-shadow: 0 8px 0 rgb(21 19 15 / 0.18);
}

.ka-mobile-nav > nav > a {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--ka-ink);
}

.ka-mobile-nav > nav > a:hover,
.ka-mobile-nav > nav > a:focus-visible,
.ka-mobile-nav > nav > a.ka-is-active,
.ka-mobile-nav > nav > a[aria-current="page"] {
  background: var(--ka-paper);
}

.ka-guide-context {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--ka-ink);
  background: var(--ka-yellow);
  color: var(--ka-ink);
}

.ka-guide-context-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  min-height: 3.15rem;
  padding: 0.55rem 1.8rem;
}

.ka-guide-context-eyebrow,
.ka-guide-context-author {
  font: 400 1.12rem/1 var(--ka-display) !important;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ka-guide-context-eyebrow {
  color: var(--ka-ink);
}

.ka-guide-context-title {
  overflow: hidden;
  font: 600 1.05rem/1.1 var(--ka-body) !important;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ka-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.ka-guide-context-author {
  text-align: right;
}

.ka-guide-context :is(
  .ka-guide-context-eyebrow,
  .ka-guide-context-title,
  .ka-guide-context-author
) {
  margin: 0 !important;
}

.ka-guide-local-nav {
  position: relative;
  z-index: 9;
  border-bottom: 1px solid var(--ka-ink);
  background: var(--ka-ink);
  color: #fff;
}

.ka-guide-local-nav-inner {
  display: flex;
  min-height: 3rem;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 1.8rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  white-space: nowrap;
}

.ka-guide-local-nav-label {
  margin-right: 0.45rem;
  color: var(--ka-yellow);
  font: 400 1rem/1 var(--ka-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ka-guide-local-nav a {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgb(255 255 255 / 0.55);
  color: #fff !important;
  font: 600 0.95rem/1 var(--ka-body) !important;
  text-decoration: none !important;
}

.ka-guide-local-nav a:hover,
.ka-guide-local-nav a:focus-visible,
.ka-guide-local-nav a[aria-current="page"] {
  border-color: var(--ka-yellow);
  background: var(--ka-yellow);
  color: var(--ka-ink) !important;
}

/* The guides keep their interactive content, but their old standalone chrome is replaced. */
body.ka-guide-integrated > .skip-link:not(.ka-skip-link),
body.ka-guide-integrated > header:not(.ka-site-header),
body.ka-guide-integrated > footer:not(.ka-site-footer),
body.ka-guide-integrated > .guide-language-bar {
  display: none !important;
}

body.ka-guide-integrated main {
  color: var(--ka-ink);
  font-family: var(--ka-body);
}

body.ka-guide-integrated main .cover-copy h2,
body.ka-guide-integrated main .chapter-head h2,
body.ka-guide-integrated main .chapter-head h3,
body.ka-guide-integrated main .loop-hero h1,
body.ka-guide-integrated main .intro-copy-wide h1,
body.ka-guide-integrated main .collection-hero h1,
body.ka-guide-integrated main .hero-copy h1,
body.ka-guide-integrated main .section-title,
body.ka-guide-integrated main .section-heading h2 {
  font-family: var(--ka-display) !important;
  font-weight: 400 !important;
  letter-spacing: 0 !important;
  line-height: 0.92 !important;
  text-wrap: balance;
}

body.ka-guide-integrated main :is(.section-intro, .history-lead, .callout) {
  margin-top: 1.1rem !important;
  margin-bottom: 0 !important;
}

body.ka-guide-integrated main :is(.section-title, .section-heading h2) {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  text-wrap: balance;
}

body.ka-guide-integrated main a {
  text-underline-offset: 0.14em;
}

body.ka-guide-integrated main :is(button, a).primary,
body.ka-guide-integrated main :is(button, a).control-button.primary,
body.ka-guide-integrated main :is(button, a).button.primary,
body.ka-guide-integrated main :is(button, a).secondary,
body.ka-guide-integrated main :is(button, a).control-button,
body.ka-guide-integrated main :is(button, a).button {
  min-height: 2.8rem;
  padding: 0.55rem 1rem;
  border: 2px solid var(--ka-ink) !important;
  border-radius: 0 !important;
  background: var(--ka-yellow) !important;
  color: var(--ka-ink) !important;
  font: 400 1.15rem/1 var(--ka-display) !important;
  letter-spacing: 0.05em !important;
  text-decoration: none !important;
  text-transform: uppercase;
  box-shadow: 3px 3px 0 var(--ka-ink) !important;
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease !important;
}

body.ka-guide-integrated main :is(button, a).secondary,
body.ka-guide-integrated main :is(button, a).control-button:not(.primary),
body.ka-guide-integrated main :is(button, a).button.secondary {
  background: var(--ka-paper) !important;
}

body.ka-guide-integrated main :is(button, a).primary:hover,
body.ka-guide-integrated main :is(button, a).secondary:hover,
body.ka-guide-integrated main :is(button, a).control-button:hover,
body.ka-guide-integrated main :is(button, a).button:hover {
  box-shadow: 5px 5px 0 var(--ka-ink) !important;
  transform: translate(-1px, -1px) !important;
}

body.ka-guide-integrated main :is(button, a).primary:active,
body.ka-guide-integrated main :is(button, a).secondary:active,
body.ka-guide-integrated main :is(button, a).control-button:active,
body.ka-guide-integrated main :is(button, a).button:active {
  box-shadow: 1px 1px 0 var(--ka-ink) !important;
  transform: translate(2px, 2px) !important;
}

/* Coding and image walkthroughs */
body.ka-guide-integrated[data-ka-guide-family="coding"],
body.ka-guide-integrated[data-ka-guide-family="image"] {
  --ink: var(--ka-ink);
  --muted: var(--ka-muted);
  --paper: var(--ka-paper);
  --surface: #f8f3e7;
  --surface-2: var(--ka-paper-deep);
  --line: var(--ka-ink);
  --green: var(--ka-green);
  --blue: var(--ka-cyan-dark);
  --coral: var(--ka-red);
  --amber: var(--ka-yellow);
  --violet: var(--ka-pink);
  --shadow: none;
}

body[data-ka-guide-family="coding"] > .app,
body[data-ka-guide-family="image"] > .app {
  min-height: 0;
  background:
    linear-gradient(90deg, rgb(21 19 15 / 0.045) 1px, transparent 1px),
    linear-gradient(rgb(21 19 15 / 0.045) 1px, transparent 1px),
    var(--ka-paper) !important;
  background-size: 36px 36px !important;
}

body[data-ka-guide-family="coding"] .rail,
body[data-ka-guide-family="image"] .rail {
  top: var(--ka-sticky-offset) !important;
  height: calc(100dvh - var(--ka-sticky-offset)) !important;
  padding: 1.2rem !important;
  border-color: var(--ka-ink) !important;
  background: rgb(242 236 221 / 0.96) !important;
  backdrop-filter: blur(12px);
}

body[data-ka-guide-family="coding"] .rail .brand,
body[data-ka-guide-family="image"] .rail .brand {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ka-ink);
}

body[data-ka-guide-family="coding"] .rail .brand h1,
body[data-ka-guide-family="image"] .rail .brand h1 {
  font: 400 1.65rem/0.95 var(--ka-display) !important;
  text-transform: uppercase;
}

body[data-ka-guide-family="coding"] .rail .brand p,
body[data-ka-guide-family="image"] .rail .brand p {
  color: var(--ka-muted) !important;
  font: 400 0.92rem/1.2 var(--ka-body) !important;
}

body[data-ka-guide-family="coding"] .rail .mark,
body[data-ka-guide-family="image"] .rail .mark {
  border-radius: 0 !important;
  background: var(--ka-cyan) !important;
  color: var(--ka-ink) !important;
  font-family: var(--ka-display) !important;
}

body[data-ka-guide-family="coding"] .site-language-link,
body[data-ka-guide-family="image"] .site-language-link {
  display: none !important;
}

body[data-ka-guide-family="coding"] .lang-label,
body[data-ka-guide-family="coding"] .nav-label,
body[data-ka-guide-family="image"] .rail-label {
  color: var(--ka-red-dark) !important;
  font: 400 1rem/1 var(--ka-display) !important;
  letter-spacing: 0.07em;
}

body[data-ka-guide-family="coding"] .lang-toggle button,
body[data-ka-guide-family="coding"] .chapter-nav button,
body[data-ka-guide-family="image"] .chapter-nav button {
  border-radius: 0 !important;
  border-color: var(--ka-ink) !important;
  background: var(--ka-paper) !important;
  color: var(--ka-ink) !important;
  box-shadow: none !important;
}

body[data-ka-guide-family="coding"] .lang-toggle button.active,
body[data-ka-guide-family="coding"] .chapter-nav button.active,
body[data-ka-guide-family="image"] .chapter-nav button.active {
  background: var(--ka-yellow) !important;
  box-shadow: 3px 3px 0 var(--ka-ink) !important;
}

body[data-ka-guide-family="coding"] .chapter-nav .num,
body[data-ka-guide-family="image"] .chapter-nav .num {
  border-radius: 0 !important;
  background: var(--ka-red) !important;
  color: var(--ka-paper) !important;
  font-family: var(--ka-display) !important;
  font-size: 1rem !important;
  font-weight: 400 !important;
}

body[data-ka-guide-family="coding"] .progress,
body[data-ka-guide-family="image"] .progress {
  height: 0.7rem;
  border-radius: 0 !important;
  border-color: var(--ka-ink) !important;
  background: var(--ka-paper-deep) !important;
}

body[data-ka-guide-family="coding"] .progress span,
body[data-ka-guide-family="image"] .progress span {
  background: var(--ka-red) !important;
}

body[data-ka-guide-family="coding"] .main,
body[data-ka-guide-family="image"] .main {
  background: transparent !important;
}

body[data-ka-guide-family="coding"] .cover {
  max-width: 1360px;
  min-height: 0 !important;
  align-content: start !important;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem) !important;
}

body[data-ka-guide-family="coding"] .cover[hidden] {
  display: none !important;
}

body[data-ka-guide-family="coding"] .cover-stage {
  display: block !important;
  gap: 0 !important;
  align-items: start !important;
  border: 1px solid var(--ka-ink);
  background: var(--ka-cyan);
}

body[data-ka-guide-family="coding"] .cover-copy,
body[data-ka-guide-family="coding"] .cover-visual,
body[data-ka-guide-family="coding"] .cover-purpose {
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

body[data-ka-guide-family="coding"] .cover-copy {
  align-content: start !important;
  padding: clamp(1.4rem, 2.4vw, 2.2rem) clamp(1rem, 4vw, 4rem) !important;
  background: var(--ka-red) !important;
  color: var(--ka-paper) !important;
}

body[data-ka-guide-family="coding"] .cover-copy h2 {
  max-width: 22ch !important;
  margin: 0 !important;
  color: #fff !important;
  font-size: var(--ka-hero-title) !important;
  line-height: 0.94 !important;
  text-transform: uppercase;
}

body[data-ka-guide-family="coding"] .cover-copy .eyebrow {
  color: var(--ka-yellow) !important;
  font-family: var(--ka-display) !important;
}

body[data-ka-guide-family="coding"] .cover-copy > :not(h2),
body[data-ka-guide-family="coding"] .cover-visual {
  display: none !important;
}

body[data-ka-guide-family="coding"] .cover-copy p {
  max-width: 62ch !important;
  margin: 1.15rem 0 0 !important;
  color: #fff !important;
  font-family: var(--ka-body) !important;
  font-size: var(--ka-copy-size) !important;
  line-height: var(--ka-copy-leading) !important;
}

body[data-ka-guide-family="coding"] .cover-actions {
  margin-top: 1.4rem !important;
}

body[data-ka-guide-family="coding"] .chapter-head h3 {
  max-width: 22ch;
  margin: 0 !important;
  font-size: var(--ka-chapter-title) !important;
  line-height: 0.96 !important;
}

body[data-ka-guide-family="coding"] :is(
  .cover-copy > p:not(.eyebrow),
  .cover-purpose p,
  .chapter-head h3 + p
) {
  max-width: var(--ka-reading-width) !important;
  font-size: var(--ka-copy-size) !important;
  line-height: var(--ka-copy-leading) !important;
  text-wrap: pretty;
}

body[data-ka-guide-family="coding"] .cover-visual {
  width: 100%;
  max-height: 28rem;
  border-left: 1px solid var(--ka-ink) !important;
  border-radius: 0 !important;
  background: var(--ka-cyan) !important;
  color: var(--ka-ink) !important;
}

body[data-ka-guide-family="coding"] .cover-visual svg {
  max-height: 23rem;
  border-radius: 0 !important;
}

body[data-ka-guide-family="coding"] .cover-purpose {
  border: 1px solid var(--ka-ink) !important;
  background: var(--ka-yellow) !important;
}

body[data-ka-guide-family="coding"] .cover-purpose p {
  color: var(--ka-ink) !important;
}

body[data-ka-guide-family="image"] .guide {
  max-width: 1360px;
}

body[data-ka-guide-family="image"] .chapter-head {
  margin-bottom: 0 !important;
  min-height: 0 !important;
  padding: clamp(1.35rem, 2.5vw, 2.1rem) !important;
  border: 1px solid var(--ka-ink) !important;
  border-radius: 0 !important;
  background: var(--ka-red) !important;
  color: var(--ka-paper) !important;
}

body[data-ka-guide-family="image"] .chapter-head h2,
body[data-ka-guide-family="image"] .chapter-head h3,
body[data-ka-guide-family="image"] .chapter-head p {
  color: var(--ka-paper) !important;
}

body[data-ka-guide-family="image"] .chapter-head h2,
body[data-ka-guide-family="image"] .chapter-head h3 {
  max-width: 22ch;
  margin: 0 !important;
  color: #fff !important;
  font-size: var(--ka-chapter-title) !important;
  line-height: 0.96 !important;
  text-transform: uppercase;
}

body[data-ka-guide-family="image"] .chapter-head :is(.kicker, p:not(.kicker)) {
  display: none !important;
}

body[data-ka-guide-family="image"] .chapter-head .eyebrow {
  color: var(--ka-yellow) !important;
}

body[data-ka-guide-family="image"] .chapter-controls {
  border-top: 1px solid var(--ka-ink);
  padding-top: 1.2rem;
}

body[data-ka-guide-family="image"] .chapter-body .intro-copy > .panel > p {
  max-width: var(--ka-reading-width) !important;
  font-size: var(--ka-copy-size) !important;
  line-height: var(--ka-copy-leading) !important;
  text-wrap: pretty;
}

/* Reasoning walkthrough */
body.ka-guide-integrated[data-ka-guide-family="reasoning"] {
  --bg: var(--ka-paper);
  --surface: #f8f3e7;
  --ink: var(--ka-ink);
  --muted: var(--ka-muted);
  --line: var(--ka-ink);
  --blue: var(--ka-cyan-dark);
  --teal: var(--ka-green);
  --green: var(--ka-green);
  --purple: var(--ka-pink);
  --orange: var(--ka-yellow);
  --red: var(--ka-red);
  --shadow: none;
}

body[data-ka-guide-family="reasoning"] .page-shell {
  width: min(var(--ka-content), 100%);
  padding: 0 !important;
}

body[data-ka-guide-family="reasoning"] .intro-page,
body[data-ka-guide-family="reasoning"] .lesson-app {
  border: 0 !important;
  border-bottom: 1px solid var(--ka-ink) !important;
  border-radius: 0 !important;
  background: var(--ka-paper) !important;
  box-shadow: none !important;
}

body[data-ka-guide-family="reasoning"] .intro-page {
  gap: 0 !important;
  margin: 0 0 var(--ka-module-gap) !important;
  padding: 0 !important;
  overflow: hidden;
}

body[data-ka-guide-family="reasoning"] .intro-copy-wide {
  align-items: flex-start !important;
  padding: clamp(1.4rem, 2.4vw, 2.2rem) clamp(1rem, 4vw, 4rem) !important;
  background: var(--ka-red) !important;
  color: var(--ka-paper) !important;
  text-align: left !important;
}

body[data-ka-guide-family="reasoning"] .intro-copy-wide h1 {
  max-width: 20ch !important;
  margin: 0 !important;
  color: #fff !important;
  font-size: var(--ka-hero-title) !important;
  line-height: 0.94 !important;
  text-transform: uppercase;
}

body[data-ka-guide-family="reasoning"] .intro-copy-wide > :not(h1) {
  display: none !important;
}

body[data-ka-guide-family="reasoning"] .intro-copy-wide > p:not(.eyebrow) {
  max-width: 62ch !important;
  margin: 1.1rem 0 0 !important;
  color: #fff !important;
  font-size: var(--ka-copy-size) !important;
  line-height: var(--ka-copy-leading) !important;
}

body[data-ka-guide-family="reasoning"] .intro-copy-wide .eyebrow {
  color: var(--ka-yellow) !important;
  font-family: var(--ka-display) !important;
  font-size: 1.3rem !important;
}

body[data-ka-guide-family="reasoning"] .chat-demo-wide {
  margin: var(--ka-module-gap) auto !important;
  border: 1px solid var(--ka-ink) !important;
  border-radius: 0 !important;
  background: var(--ka-cyan) !important;
  box-shadow: none !important;
}

body[data-ka-guide-family="reasoning"] .intro-actions {
  justify-content: flex-start !important;
  margin-top: 1.4rem !important;
}

body[data-ka-guide-family="reasoning"] .section-heading h2 {
  max-width: 20ch;
  font-size: var(--ka-section-title) !important;
  line-height: 0.96 !important;
}

body[data-ka-guide-family="reasoning"] :is(
  .intro-copy-wide > p:not(.eyebrow),
  .section-heading > p,
  .reasoning-bridge .bridge-copy > p
) {
  max-width: var(--ka-reading-width) !important;
  font-size: var(--ka-copy-size) !important;
  line-height: var(--ka-copy-leading) !important;
  text-wrap: pretty;
}

body[data-ka-guide-family="reasoning"] .reasoning-bridge + .math-demo {
  margin-top: var(--ka-module-gap) !important;
}

body[data-ka-guide-family="reasoning"] .step-button,
body[data-ka-guide-family="reasoning"] .panel,
body[data-ka-guide-family="reasoning"] .chat-demo,
body[data-ka-guide-family="reasoning"] .chat-message,
body[data-ka-guide-family="reasoning"] .math-card,
body[data-ka-guide-family="reasoning"] .route-card,
body[data-ka-guide-family="reasoning"] .verify-card {
  border-radius: 0 !important;
  box-shadow: none !important;
}

body[data-ka-guide-family="reasoning"] .step-button.active,
body[data-ka-guide-family="reasoning"] .step-button[aria-current="step"] {
  border-color: var(--ka-ink) !important;
  background: var(--ka-yellow) !important;
  color: var(--ka-ink) !important;
}

/* Token cost simulator */
body.ka-guide-integrated[data-ka-guide-family="tokens"] {
  --page: var(--ka-paper);
  --surface: #f8f3e7;
  --surface-soft: var(--ka-paper-deep);
  --blue-ink: var(--ka-ink);
  --text: var(--ka-ink);
  --muted: var(--ka-muted);
  --line: var(--ka-ink);
  --line-strong: var(--ka-ink);
  --blue: var(--ka-cyan-dark);
  --blue-soft: rgb(8 168 213 / 0.16);
  --teal: var(--ka-cyan);
  --teal-soft: rgb(8 168 213 / 0.12);
  --green: var(--ka-green);
  --cost: var(--ka-green);
  --shadow: none;
  --radius: 0;
  --sans: var(--ka-body);
}

body[data-ka-guide-family="tokens"] .sticky-meter {
  top: var(--ka-sticky-offset) !important;
  z-index: 45 !important;
  border-color: var(--ka-ink) !important;
  background: rgb(243 200 15 / 0.96) !important;
  color: var(--ka-ink) !important;
  box-shadow: 0 4px 0 rgb(21 19 15 / 0.12) !important;
}

body[data-ka-guide-family="tokens"] .meter-item + .meter-item {
  border-color: rgb(21 19 15 / 0.4) !important;
}

body[data-ka-guide-family="tokens"] main#top {
  background: var(--ka-paper) !important;
}

body[data-ka-guide-family="tokens"] .loop-hero {
  padding: clamp(1.4rem, 2.4vw, 2.2rem) clamp(1rem, 4vw, 4rem) !important;
  border: 1px solid var(--ka-ink) !important;
  background: var(--ka-red) !important;
  color: var(--ka-paper) !important;
  text-align: left !important;
}

body[data-ka-guide-family="tokens"] .lead-loop {
  padding-top: 0 !important;
}

body[data-ka-guide-family="tokens"] .loop-hero h1 {
  max-width: 20ch;
  margin: 0 !important;
  color: #fff !important;
  font-size: var(--ka-hero-title) !important;
  line-height: 0.94 !important;
  text-transform: uppercase;
}

body[data-ka-guide-family="tokens"] .loop-hero > :not(h1) {
  display: none !important;
}

body[data-ka-guide-family="tokens"] .loop-hero p {
  max-width: 62ch;
  margin: 1.1rem 0 0 !important;
  color: #fff !important;
  font-size: var(--ka-copy-size) !important;
  line-height: var(--ka-copy-leading) !important;
}

body[data-ka-guide-family="tokens"] .section-heading {
  max-width: var(--ka-reading-width) !important;
  margin-bottom: 2rem !important;
  text-align: left !important;
}

body[data-ka-guide-family="tokens"] .section-heading h2 {
  max-width: 20ch;
  font-size: var(--ka-section-title) !important;
  line-height: 0.96 !important;
}

body[data-ka-guide-family="tokens"] :is(.loop-hero > p, .section-heading > p) {
  max-width: var(--ka-reading-width) !important;
  font-size: var(--ka-copy-size) !important;
  line-height: var(--ka-copy-leading) !important;
  text-wrap: pretty;
}

body[data-ka-guide-family="tokens"] :is(.loop-board, .machine-shell, .rule-card, .example-card, .pricing-table, .cost-card, .prompt-card) {
  border-color: var(--ka-ink) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

/* Neural Foundations collection and articles */
body.ka-guide-integrated[data-ka-guide-family="neurons-home"],
body.ka-guide-integrated[data-ka-guide-family="neurons-chapter"] {
  --paper: var(--ka-paper);
  --paper-soft: var(--ka-paper-deep);
  --surface: rgb(242 236 221 / 0.82);
  --surface-solid: #f8f3e7;
  --ink: var(--ka-ink);
  --ink-soft: var(--ka-muted);
  --ink-faint: #716858;
  --line: rgb(21 19 15 / 0.28);
  --line-strong: rgb(21 19 15 / 0.52);
  --accent: var(--ka-red);
  --accent-deep: var(--ka-red-dark);
  --accent-on-contrast: var(--ka-yellow);
  --accent-soft: rgb(216 45 29 / 0.13);
  --accent-faint: rgb(216 45 29 / 0.07);
  --shadow: none;
  --shadow-soft: none;
  --panel-radius: 0;
  --control-radius: 0;
  --display: var(--ka-display);
  --sans: var(--ka-body);
}

html[data-theme="dark"] body.ka-guide-integrated[data-ka-guide-family="neurons-home"],
html[data-theme="dark"] body.ka-guide-integrated[data-ka-guide-family="neurons-chapter"] {
  --paper: var(--ka-paper);
  --paper-soft: var(--ka-paper-deep);
  --surface: rgb(242 236 221 / 0.82);
  --surface-solid: #f8f3e7;
  --ink: var(--ka-ink);
  --ink-soft: var(--ka-muted);
  --ink-faint: #716858;
  --line: rgb(21 19 15 / 0.28);
  --line-strong: rgb(21 19 15 / 0.52);
  --accent: var(--ka-red);
  --accent-deep: var(--ka-red-dark);
  --accent-on-contrast: var(--ka-yellow);
}

body[data-ka-guide-family="neurons-chapter"] main > .hero,
body[data-ka-guide-family="neurons-home"] main > .collection-hero {
  display: block !important;
  width: 100% !important;
  min-height: 0 !important;
  grid-template-columns: none !important;
  padding: 0 !important;
  background: var(--ka-red) !important;
  border-bottom: 1px solid var(--ka-ink);
}

body[data-ka-guide-family="neurons-chapter"] .hero-copy,
body[data-ka-guide-family="neurons-home"] .collection-hero-copy {
  display: block !important;
  width: 100% !important;
  max-width: none !important;
  min-height: 0 !important;
  padding: clamp(1.4rem, 2.4vw, 2.2rem) clamp(1rem, 4vw, 4rem) !important;
  background: var(--ka-red) !important;
  color: var(--ka-paper) !important;
}

body[data-ka-guide-family="neurons-chapter"] .hero h1,
body[data-ka-guide-family="neurons-home"] .collection-hero h1 {
  max-width: min(36ch, 100%) !important;
  margin: 0 !important;
  color: #fff !important;
  font-size: var(--ka-hero-title) !important;
  line-height: 0.92 !important;
  text-transform: uppercase;
  text-wrap: balance;
  opacity: 1 !important;
  transform: none !important;
}

body[data-ka-guide-family="neurons-chapter"] .hero h1 em,
body[data-ka-guide-family="neurons-home"] .collection-hero h1 em,
body[data-ka-guide-family="neurons-chapter"] .hero .eyebrow,
body[data-ka-guide-family="neurons-home"] .collection-hero .eyebrow {
  color: var(--ka-yellow) !important;
}

body[data-ka-guide-family="neurons-chapter"] .hero-copy > :is(.eyebrow, .hero-subtitle, .hero-actions),
body[data-ka-guide-family="neurons-home"] .collection-hero-copy > :is(.eyebrow, .collection-hero-subtitle, .collection-actions) {
  display: none !important;
}

body[data-ka-guide-family="coding"] .cover-copy p.eyebrow,
body[data-ka-guide-family="reasoning"] .intro-copy-wide p.eyebrow,
body[data-ka-guide-family="neurons-chapter"] .hero p.eyebrow,
body[data-ka-guide-family="neurons-home"] .collection-hero p.eyebrow {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  padding: 0.28rem 0.5rem 0.24rem;
  background: var(--ka-yellow) !important;
  color: var(--ka-ink) !important;
  box-decoration-break: clone;
}

body[data-ka-guide-family="neurons-chapter"] .hero-figure,
body[data-ka-guide-family="neurons-home"] .hero-mosaic {
  display: none !important;
}

body[data-ka-guide-family="neurons-home"] .hero-tile,
body[data-ka-guide-family="neurons-home"] .guide-card,
body[data-ka-guide-family="neurons-home"] .throughline,
body[data-ka-guide-family="neurons-chapter"] :is(.hero-image-shell, .history-figure, .lab-shell, .depth-stack, .equation-band, .modern-aside, .surface) {
  border-radius: 0 !important;
  box-shadow: none !important;
}

body[data-ka-guide-family="neurons-home"] .collection-facts,
body[data-ka-guide-family="neurons-chapter"] .fact-band {
  background: var(--ka-yellow) !important;
}

body[data-ka-guide-family="neurons-home"] .guide-card:nth-child(3n + 1) .guide-card-copy {
  background: var(--ka-cyan) !important;
}

body[data-ka-guide-family="neurons-home"] .guide-card:nth-child(3n + 2) .guide-card-copy {
  background: var(--ka-paper) !important;
}

body[data-ka-guide-family="neurons-home"] .guide-card:nth-child(3n) .guide-card-copy {
  background: var(--ka-yellow) !important;
}

/* Shared editorial rhythm for the complete neural-network series. */
body.ka-guide-integrated:is([data-ka-guide-family="neurons-home"], [data-ka-guide-family="neurons-chapter"]) main > .section.shell {
  padding-block: var(--ka-section-space) !important;
}

body.ka-guide-integrated:is([data-ka-guide-family="neurons-home"], [data-ka-guide-family="neurons-chapter"]) main .section-title {
  max-width: 22ch !important;
  margin: 0 !important;
  color: var(--ka-ink) !important;
  font: 400 var(--ka-section-title)/0.96 var(--ka-display) !important;
  letter-spacing: 0 !important;
  text-wrap: balance;
}

body.ka-guide-integrated:is([data-ka-guide-family="neurons-home"], [data-ka-guide-family="neurons-chapter"]) main :is(
  .section-intro,
  .history-lead,
  .callout,
  .history-copy > p,
  .closing > p,
  .representation-summary,
  .reality-note,
  .lineage-caveat
) {
  max-width: var(--ka-reading-width) !important;
  font-size: var(--ka-copy-size) !important;
  line-height: var(--ka-copy-leading) !important;
}

body.ka-guide-integrated:is([data-ka-guide-family="neurons-home"], [data-ka-guide-family="neurons-chapter"]) main > .section p:not(.eyebrow, .guide-meta) {
  line-height: var(--ka-copy-leading) !important;
}

body.ka-guide-integrated:is([data-ka-guide-family="neurons-home"], [data-ka-guide-family="neurons-chapter"]) main .section > .eyebrow {
  margin: 0 0 0.9rem !important;
}

body.ka-guide-integrated:is([data-ka-guide-family="neurons-home"], [data-ka-guide-family="neurons-chapter"]) main .history-figure {
  margin-top: clamp(2rem, 4vw, 3.5rem) !important;
}

body[data-ka-guide-family="neurons-home"] .guide-card-copy h2,
body[data-ka-guide-family="neurons-home"] .guide-card-copy h3 {
  margin: 0 0 0.8rem !important;
  font: 400 clamp(2.1rem, 3.2vw, 3rem)/0.98 var(--ka-display) !important;
  letter-spacing: 0 !important;
  text-wrap: balance;
}

body[data-ka-guide-family="neurons-home"] .guide-card-copy p {
  font-size: clamp(1rem, 1.05vw, 1.08rem) !important;
  line-height: 1.58 !important;
}

body.ka-guide-integrated:is([data-ka-guide-family="neurons-home"], [data-ka-guide-family="neurons-chapter"]) main :is(
  .fact span,
  .collection-facts span,
  .history-note p,
  .anatomy-beat p,
  .anatomy-step p,
  .transformer-notes p,
  .timeline-item p,
  .lab-controls > p,
  .threshold-experiment > p,
  .lab-narration p,
  .representation-panel p,
  .equation-note,
  .truth-note,
  .learning-rule-note,
  .lab-note,
  .source-note,
  .query-instruction,
  .result-copy p
) {
  font-size: 1rem !important;
  line-height: 1.58 !important;
  text-wrap: pretty;
}

body.ka-guide-integrated:is([data-ka-guide-family="neurons-home"], [data-ka-guide-family="neurons-chapter"]) main :is(
  .history-note h3,
  .anatomy-beat h3,
  .anatomy-step h3,
  .transformer-notes h3,
  .timeline-item h3,
  .panel-heading h3
) {
  margin-bottom: 0.45rem !important;
  font-family: var(--ka-display) !important;
  font-size: 1.25rem !important;
  font-weight: 400 !important;
  line-height: 1.08 !important;
  letter-spacing: 0.01em !important;
}

body[data-ka-guide-family="neurons-home"] .guide-meta {
  font-size: 0.85rem !important;
  line-height: 1.25 !important;
}

body.ka-guide-integrated[data-ka-guide-family="neurons-home"] main > .section.shell.guide-index {
  padding-top: clamp(0.75rem, 1.6vw, 1.25rem) !important;
}

body[data-ka-guide-family="neurons-home"] .guide-index > .guide-grid {
  margin-top: 0 !important;
}

body.ka-guide-integrated[data-ka-guide-family="neurons-chapter"] main > .section.shell:first-child {
  padding-top: clamp(1rem, 2vw, 1.5rem) !important;
}

.ka-site-footer {
  position: relative;
  z-index: 20;
  display: block !important;
  width: 100% !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-top: 1px solid var(--ka-ink) !important;
  border-radius: 0 !important;
  background: var(--ka-green) !important;
  color: var(--ka-paper) !important;
  box-shadow: none !important;
  font-family: var(--ka-body) !important;
  font-size: 1rem !important;
}

.ka-footer-main,
.ka-footer-meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.8rem;
}

.ka-footer-main {
  font: 400 1.35rem/1.2 var(--ka-display) !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ka-footer-main a,
.ka-footer-meta a {
  color: var(--ka-paper) !important;
  text-decoration-color: rgb(242 236 221 / 0.65) !important;
}

.ka-footer-main a {
  text-decoration: none !important;
}

.ka-footer-main > :nth-child(2),
.ka-footer-meta > :nth-child(2) {
  text-align: center;
}

.ka-footer-main > :last-child,
.ka-footer-meta > :last-child {
  text-align: right;
}

.ka-footer-meta {
  border-top: 1px solid rgb(242 236 221 / 0.45);
  font: 400 0.98rem/1.2 var(--ka-body) !important;
}

@media (max-width: 1120px) {
  body.ka-guide-integrated {
    --ka-sticky-offset: 4rem;
  }

  .ka-brand-strip .ka-shell,
  .ka-main-nav {
    padding-inline: 1rem;
  }

  .ka-brand-strip {
    font-size: clamp(0.9rem, 4vw, 1.05rem);
    white-space: nowrap;
  }

  .ka-main-nav {
    min-height: 4rem;
    gap: 0.75rem;
  }

  .ka-desktop-nav {
    display: none;
  }

  .ka-mobile-nav {
    display: block;
  }

  .ka-wordmark {
    font-size: clamp(1.5rem, 7.5vw, 2.15rem) !important;
  }
}

@media (max-width: 900px) {
  body[data-ka-guide-family="neurons-chapter"] main > .hero,
  body[data-ka-guide-family="neurons-home"] main > .collection-hero {
    grid-template-columns: 1fr !important;
  }

  body[data-ka-guide-family="neurons-chapter"] .hero-figure,
  body[data-ka-guide-family="neurons-home"] .hero-mosaic {
    border-top: 1px solid var(--ka-ink) !important;
    border-left: 0 !important;
  }

  body[data-ka-guide-family="neurons-chapter"] .hero-figure img,
  body[data-ka-guide-family="neurons-home"] .hero-mosaic {
    min-height: clamp(18rem, 58vw, 32rem) !important;
  }
}

/* On compact screens, the long walkthrough rail becomes a short horizontal
   chapter navigator. This keeps the article introduction above the fold while
   retaining direct access to every original chapter and control. */
@media (max-width: 1050px) {
  body[data-ka-guide-family="coding"] > .app,
  body[data-ka-guide-family="image"] > .app {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
  }

  body[data-ka-guide-family="coding"] .rail,
  body[data-ka-guide-family="image"] .rail {
    position: relative !important;
    top: auto !important;
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100vw !important;
    height: auto !important;
    overflow-x: clip !important;
    overflow-y: visible !important;
    border-right: 0 !important;
    border-bottom: 1px solid var(--ka-ink) !important;
    padding: 0.85rem 1rem !important;
  }

  body[data-ka-guide-family="coding"] .rail .brand,
  body[data-ka-guide-family="image"] .rail .brand {
    display: none !important;
  }

  body[data-ka-guide-family="coding"] .chapter-nav,
  body[data-ka-guide-family="image"] .chapter-nav {
    display: flex !important;
    grid-template-columns: none !important;
    gap: 0.6rem !important;
    width: 100% !important;
    max-width: 100%;
    margin-inline: 0 !important;
    padding: 0 0.2rem 0.65rem 0 !important;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-color: var(--ka-red) var(--ka-paper-deep);
    scrollbar-width: thin;
    scroll-snap-type: inline proximity;
  }

  body[data-ka-guide-family="coding"] .chapter-nav > li,
  body[data-ka-guide-family="image"] .chapter-nav > li {
    flex: 0 0 min(18rem, 76vw);
    scroll-snap-align: start;
  }

  body[data-ka-guide-family="coding"] .chapter-nav button,
  body[data-ka-guide-family="image"] .chapter-nav button {
    width: 100% !important;
    height: 100% !important;
    min-height: 4.8rem;
  }
}

@media (max-width: 800px) {
  body.ka-guide-integrated {
    --ka-hero-title: clamp(3rem, 11vw, 4rem);
    --ka-section-title: clamp(2.4rem, 9vw, 3.5rem);
    font-size: 1.05rem;
  }

  body.ka-guide-integrated::after {
    opacity: 0.055;
  }

  .ka-guide-context-inner {
    grid-template-columns: 1fr auto;
    padding-inline: 1rem;
  }

  .ka-guide-context-title {
    grid-column: 1 / -1;
    grid-row: 2;
    padding-bottom: 0.25rem;
    text-align: left;
    text-overflow: clip;
    white-space: normal;
  }

  body[data-ka-guide-family="coding"] .cover-stage {
    grid-template-columns: 1fr !important;
  }

  body[data-ka-guide-family="coding"] .cover-visual {
    border-top: 1px solid var(--ka-ink) !important;
    border-left: 0 !important;
  }

  body[data-ka-guide-family="tokens"] .loop-hero > * {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

}

@media (max-width: 680px) {
  .ka-footer-main,
  .ka-footer-meta {
    grid-template-columns: 1fr;
    padding-inline: 1rem;
    text-align: left;
  }

  .ka-footer-main > :nth-child(2),
  .ka-footer-meta > :nth-child(2),
  .ka-footer-main > :last-child,
  .ka-footer-meta > :last-child {
    text-align: left;
  }
}

@media (max-width: 620px) {
  body[data-ka-guide-family="coding"] .main,
  body[data-ka-guide-family="image"] .main {
    padding-inline: 0.75rem !important;
  }

  body[data-ka-guide-family="coding"] .cover-copy,
  body[data-ka-guide-family="reasoning"] .intro-copy-wide,
  body[data-ka-guide-family="tokens"] .loop-hero {
    padding: 1.35rem 1rem 1.5rem !important;
  }

  body[data-ka-guide-family="neurons-chapter"] .hero-copy,
  body[data-ka-guide-family="neurons-home"] .collection-hero-copy {
    padding: 1.15rem 1rem 1.35rem !important;
  }

  body[data-ka-guide-family="coding"] .cover-copy h2 {
    font-size: var(--ka-hero-title) !important;
  }

  body[data-ka-guide-family="reasoning"] .chat-demo-wide {
    width: calc(100% - 1.5rem) !important;
    max-width: calc(100% - 1.5rem) !important;
    margin: 0.75rem auto !important;
  }

  .ka-guide-local-nav-inner {
    padding-inline: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.ka-guide-integrated *,
  body.ka-guide-integrated *::before,
  body.ka-guide-integrated *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .ka-brand-strip,
  .ka-site-header,
  .ka-guide-context,
  .ka-site-footer,
  .ka-skip-link {
    display: none !important;
  }
}