@font-face {
  font-family: Manrope;
  src: url("/assets/fonts/Manrope.ttf") format("truetype");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: Pretendard;
  src: url("/assets/fonts/PretendardVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #f7f6f2;
  --ink: #24241f;
  --muted: #686860;
  --faint: #deddd5;
  --line: #cecec4;
  --accent: #b45131;
  --soft: #efeee7;
  --font: Manrope, Pretendard, sans-serif;
  --kr: Pretendard, Manrope, sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
}
body {
  margin: 0;
  background: #eeede7;
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body,
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button,
input {
  font: inherit;
}
button,
a {
  touch-action: manipulation;
}
button {
  color: inherit;
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  background: none;
  border: 0;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 7px;
}
button:disabled {
  cursor: default;
}
::selection {
  background: #e7b99f;
  color: var(--ink);
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
img,
svg {
  display: block;
}
img {
  max-width: 100%;
  height: auto;
}
svg {
  stroke: currentColor;
}
svg use {
  stroke-linecap: round;
  stroke-linejoin: round;
}
[hidden] {
  display: none !important;
}
.svg-library {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  left: 24px;
  top: 16px;
  z-index: 20;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-180%);
}
.skip-link:focus {
  transform: translateY(0);
}
.page-frame {
  max-width: 1680px;
  margin: 16px auto;
  background: var(--paper);
  border: 1px solid #bcbcb2;
  overflow: hidden;
}
.site-header {
  margin: 0 54px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 5;
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.brand-logo {
  width: 120px;
  height: auto;
  flex-shrink: 0;
}
.wordmark.brand-mark {
  width: 2.1em;
  height: auto;
  flex-shrink: 0;
}
.wordmark {
  font-family: Manrope, sans-serif;
  font-size: 47px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -4px;
}
.brand-dot {
  color: var(--accent);
}
.brand-expansion {
  font-family: Manrope, sans-serif;
  font-size: 10px;
  letter-spacing: 0.02em;
  margin-top: 14px;
  font-weight: 600;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
  margin-right: 44px;
  font: 500 13px var(--kr);
}
.desktop-nav a {
  padding: 12px 0;
  position: relative;
}
.desktop-nav a::after {
  content: "";
  height: 1px;
  width: 0;
  position: absolute;
  left: 0;
  bottom: 5px;
  background: var(--ink);
  transition: width 0.2s;
}
.desktop-nav a:hover::after {
  width: 100%;
}
.header-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--ink);
  border-radius: 7px;
  padding: 13px 15px;
  transition: background 0.2s;
}
.header-status:hover {
  background: var(--soft);
}
.header-status .icon {
  width: 16px;
  height: 16px;
  margin-left: 7px;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  flex-shrink: 0;
}
.menu-toggle {
  display: none;
}
.mobile-menu {
  display: none;
}
.hero {
  position: relative;
  text-align: center;
  padding: 59px 54px 28px;
  isolation: isolate;
}
.hero-eyebrow {
  font-size: 15px;
  letter-spacing: -0.025em;
  line-height: 1.5;
  margin-bottom: 27px;
}
.mobile-break {
  display: none;
}
.hero-pills {
  display: flex;
  justify-content: center;
  gap: 11px;
  margin-bottom: 19px;
}
.hero-pills > span {
  font-size: 16px;
  letter-spacing: -0.04em;
  font-weight: 650;
  border: 1.5px solid var(--ink);
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 17px 8px;
}
.hero-pills .icon {
  width: 20px;
  height: 20px;
  stroke-width: 1.5;
}
.hero-pills > span:nth-child(2) .icon {
  color: var(--accent);
}
.hero h1 {
  font:
    800 clamp(70px, 9.8vw, 151px) / 1.08 Manrope,
    sans-serif;
  letter-spacing: -0.075em;
  margin-left: -0.05em;
  position: relative;
  z-index: 1;
  white-space: nowrap;
}
.accent {
  color: var(--accent);
}
.hero-subtitle {
  font: 650 clamp(21px, 2.25vw, 32px) / 1.5 var(--kr);
  letter-spacing: -0.045em;
  margin-top: 24px;
}
.hero-description {
  font: 400 16px/1.85 var(--kr);
  letter-spacing: -0.02em;
  color: var(--muted);
  margin-top: 16px;
}
.hero-description strong {
  color: var(--ink);
  font-family: Manrope, sans-serif;
}
.hero-signoff {
  display: inline-block;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  font: 500 13px var(--kr);
  padding: 7px 0;
  border-bottom: 1px solid var(--ink);
}
.text-link .icon {
  width: 17px;
  height: 17px;
  transition: transform 0.2s;
}
.text-link:hover .icon {
  transform: translateY(3px);
}
.hero-link {
  margin-top: 23px;
}
.ghost-word {
  position: absolute;
  z-index: -1;
  pointer-events: none;
  color: transparent;
  -webkit-text-stroke: 1px #ddddd4;
  font-size: 40px;
  font-weight: 500;
  letter-spacing: -0.05em;
}
.ghost-left {
  left: 5.5%;
  top: 85px;
  transform: rotate(-9deg);
}
.ghost-right {
  right: 6%;
  top: 100px;
  transform: rotate(8deg);
}
.hero-illustration {
  max-width: 1000px;
  margin: 34px auto 0;
}
.workplace-scene {
  width: 100%;
  height: auto;
  overflow: visible;
}
.workpiece {
  transform-box: fill-box;
  transform-origin: center bottom;
}
.workplace-label {
  fill: #77776b;
  stroke: none;
  font:
    9px Arial,
    sans-serif;
  letter-spacing: 1.6px;
  text-anchor: middle;
}
.hero-illustration figcaption {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding-top: 10px;
}
.hero-illustration figcaption span:last-child {
  font: 400 11px var(--kr);
  letter-spacing: 0;
  color: var(--muted);
}

.section-pad {
  padding: 55px 74px 68px;
  border-top: 1px solid var(--line);
}
.section-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font:
    600 10px/1.5 Manrope,
    sans-serif;
  letter-spacing: 0.09em;
  margin-bottom: 60px;
}
.section-label > span:last-child {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--muted);
}
.idea {
  margin-top: 33px;
}
.idea-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 90px;
  align-items: start;
}
.idea h2,
.section-heading h2,
.ownership h2 {
  font: 650 clamp(29px, 3.3vw, 48px) / 1.42 var(--kr);
  letter-spacing: -0.055em;
}
.idea-copy {
  padding-top: 6px;
  font: 400 17px/1.9 var(--kr);
  letter-spacing: -0.025em;
  color: var(--muted);
  max-width: 430px;
  word-break: keep-all;
}
.idea-copy p + p {
  margin-top: 20px;
}
.idea-copy strong {
  font-weight: 600;
  color: var(--ink);
}

.workbook {
  margin-top: 64px;
  border: 1px solid var(--ink);
  border-radius: 2px;
}
.workbook-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 27px 32px 25px;
}
.workbook-heading .mini-label {
  color: var(--accent);
  font-size: 9px;
  margin-bottom: 11px;
}
.workbook h3 {
  font: 600 22px/1.4 var(--kr);
  letter-spacing: -0.04em;
}
.example-label,
.workbook-footnote {
  font: 400 11px/1.7 var(--kr);
  color: var(--muted);
}
.case-tabs {
  display: flex;
  border-block: 1px solid var(--line);
  padding: 0 32px;
  gap: 32px;
}
.case-tabs button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 0;
  position: relative;
  font: 500 14px var(--kr);
  color: var(--muted);
}
.case-tabs button span {
  font:
    500 9px Manrope,
    sans-serif;
}
.case-tabs button[aria-selected="true"] {
  color: var(--ink);
}
.case-tabs button[aria-selected="true"]::after {
  content: "";
  height: 2px;
  background: var(--accent);
  position: absolute;
  bottom: -1px;
  inset-inline: 0;
}
.case-tabs button:hover {
  color: var(--accent);
}
.case-panel {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  min-height: 335px;
  animation: panel-enter 0.3s both;
}
.case-story {
  padding: 30px 36px 32px;
  border-right: 1px solid var(--line);
}
.case-index {
  display: block;
  color: var(--accent);
  font:
    400 13px Manrope,
    sans-serif;
  margin-bottom: 18px;
}
.case-story h4 {
  font: 600 clamp(23px, 2.15vw, 31px) / 1.5 var(--kr);
  letter-spacing: -0.05em;
  margin: 0 0 16px;
}
.case-story > p {
  font: 400 14px/1.85 var(--kr);
  color: var(--muted);
  max-width: 350px;
  word-break: keep-all;
}
.case-route {
  padding: 32px 36px;
}
.case-route ol,
.ai-principles ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.case-route li {
  display: flex;
  gap: 18px;
  padding-bottom: 26px;
  position: relative;
}
.case-route li:last-child {
  padding-bottom: 0;
}
.route-dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border: 1px solid var(--ink);
  border-radius: 50%;
  margin-top: 7px;
  background: var(--paper);
  z-index: 1;
}
.case-route li:not(:last-child)::after {
  content: "";
  border-left: 1px solid var(--line);
  position: absolute;
  left: 3px;
  top: 14px;
  bottom: -7px;
}
.case-route li strong {
  font: 550 15px/1.5 var(--kr);
  letter-spacing: -0.025em;
}
.case-route li p {
  font: 400 12px/1.75 var(--kr);
  color: var(--muted);
  margin-top: 5px;
  word-break: keep-all;
}
.case-result {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font: 500 11px/1.8 var(--kr);
  color: var(--accent);
  padding-top: 20px;
  margin-top: 24px;
  border-top: 1px solid var(--line);
}
.case-result .icon {
  width: 16px;
  height: 18px;
  flex-shrink: 0;
}
.workbook-footnote {
  border-top: 1px solid var(--line);
  padding: 14px 32px;
  font-size: 10px;
}
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  align-items: start;
  gap: 70px;
}
.ai-principles li {
  display: flex;
  gap: 21px;
  border-top: 1px solid var(--line);
  padding: 24px 0;
}
.ai-principles li > span {
  font:
    500 10px Manrope,
    sans-serif;
  color: var(--accent);
  padding-top: 5px;
}
.ai-principles h3 {
  font: 600 19px/1.5 var(--kr);
  letter-spacing: -0.04em;
  margin-bottom: 9px;
}
.ai-principles li p {
  font: 400 14px/1.85 var(--kr);
  color: var(--muted);
  letter-spacing: -0.025em;
  max-width: 350px;
  word-break: keep-all;
}
.conversation-sheet {
  border: 1px solid var(--ink);
  border-radius: 10px 10px 2px 2px;
  padding: 0 28px;
}
.conversation-sheet figcaption {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font:
    600 8px/1.6 Manrope,
    sans-serif;
  letter-spacing: 0.055em;
}
.conversation-sheet figcaption span:last-child {
  font: 400 9px/1.6 var(--kr);
  letter-spacing: 0;
  color: var(--muted);
}
.conversation-line {
  display: grid;
  grid-template-columns: 27px 1fr;
  gap: 14px;
  padding-top: 25px;
  font: 400 13px/1.85 var(--kr);
  letter-spacing: -0.015em;
  word-break: keep-all;
}
.speaker {
  padding-top: 4px;
  font:
    600 9px/1.8 Manrope,
    sans-serif;
  letter-spacing: 0;
  color: var(--muted);
}
.answer-line .speaker {
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
  padding-top: 0;
  letter-spacing: -0.07em;
}
.question-line > p {
  font-weight: 600;
}
.answer-line {
  padding-top: 17px;
}
.source-slip {
  display: flex;
  align-items: center;
  gap: 7px;
  font: 400 10px/1.6 var(--kr);
  color: var(--muted);
  margin-top: 11px;
}
.source-slip .icon {
  width: 12px;
  height: 12px;
}
.source-slip strong {
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.request-slip {
  border: 1px solid var(--line);
  border-radius: 3px;
  margin-top: 12px;
  padding: 14px 17px 0;
}
.request-slip-heading {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
}
.request-slip-heading .icon {
  width: 15px;
  height: 15px;
}
.request-slip-heading strong {
  font-weight: 600;
}
.request-slip-heading > span {
  color: var(--accent);
  font-size: 9px;
  margin-left: auto;
}
.request-slip dl {
  margin: 14px 0;
  font-size: 11px;
}
.request-slip dl > div {
  display: grid;
  grid-template-columns: 85px 1fr;
  padding: 3px 0;
  gap: 10px;
}
.request-slip dt {
  color: var(--muted);
}
.request-slip dd {
  margin: 0;
}
.confirmation-note {
  border-top: 1px solid var(--line);
  padding: 11px 0;
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 10px;
  color: var(--accent);
}
.confirmation-note .icon {
  width: 15px;
  height: 15px;
}
.conversation-footer {
  display: flex;
  align-items: center;
  gap: 7px;
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding: 15px 0;
  color: var(--muted);
  font: 400 9px/1.7 var(--kr);
}
.conversation-footer .icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 46px;
}
.section-heading > p {
  font: 400 15px/1.85 var(--kr);
  letter-spacing: -0.02em;
  color: var(--muted);
  padding-bottom: 7px;
  max-width: 380px;
}
.tool-choice {
  display: grid;
  grid-template-columns: 0.7fr 1.8fr;
  gap: 38px;
  align-items: start;
  padding: 27px 0 30px;
  border-top: 1px solid var(--line);
}
.tool-choice-heading .mini-label {
  font-size: 9px;
  color: var(--accent);
  margin-bottom: 10px;
}
.tool-choice-heading h3 {
  font: 600 20px/1.55 var(--kr);
  letter-spacing: -0.04em;
}
.developer-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.developer-tools li {
  border: 1px solid var(--ink);
  border-radius: 24px;
  padding: 7px 15px;
  font:
    500 13px/1.4 Manrope,
    sans-serif;
  letter-spacing: -0.02em;
}
.tool-choice-content > p {
  max-width: 610px;
  font: 400 11px/1.85 var(--kr);
  color: var(--muted);
  letter-spacing: -0.015em;
  word-break: keep-all;
  margin-top: 14px;
}
.tool-work-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 14px;
  font: 500 11px/1.7 var(--kr);
  color: var(--accent);
}
.tool-work-link .icon {
  width: 15px;
  height: 15px;
}
.tool-work-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.developer-notes {
  margin-top: 28px;
  border-block: 1px solid var(--line);
}
.developer-notes summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  list-style: none;
  padding: 21px 0;
  cursor: pointer;
}
.developer-notes summary::-webkit-details-marker {
  display: none;
}
.developer-notes summary .mini-label {
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 6px;
}
.developer-notes summary strong {
  font: 550 16px/1.5 var(--kr);
  letter-spacing: -0.025em;
}
.developer-notes-toggle {
  display: flex;
  align-items: center;
  gap: 22px;
  font:
    500 10px/1.5 Manrope,
    sans-serif;
  color: var(--muted);
}
.developer-notes-toggle .icon {
  width: 18px;
  height: 18px;
  color: var(--ink);
  transition: transform 0.2s;
}
.developer-notes[open] summary strong {
  color: var(--accent);
}
.developer-notes[open] .developer-notes-toggle .icon {
  transform: rotate(45deg);
}
.developer-notes summary:hover strong {
  color: var(--accent);
}
.developer-notes-body {
  padding: 4px 0 26px;
}
.developer-notes-intro {
  max-width: 670px;
  color: var(--muted);
  font: 400 14px/1.85 var(--kr);
  letter-spacing: -0.025em;
  word-break: keep-all;
}
.interface-explanations {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 30px 0;
  gap: 29px;
}
.interface-explanations > div + div {
  border-left: 1px solid var(--line);
  padding-left: 29px;
}
.interface-explanations dt {
  display: flex;
  align-items: baseline;
  gap: 13px;
  font:
    600 25px/1.3 Manrope,
    sans-serif;
  letter-spacing: -0.045em;
  margin-bottom: 17px;
}
.interface-explanations dt > span {
  font:
    500 9px Manrope,
    sans-serif;
  color: var(--accent);
  letter-spacing: 0;
}
.interface-explanations dd {
  margin: 0;
}
.interface-explanations dd strong {
  font: 550 15px/1.5 var(--kr);
  letter-spacing: -0.03em;
}
.interface-explanations dd p {
  font: 400 13px/1.85 var(--kr);
  color: var(--muted);
  margin-top: 9px;
  letter-spacing: -0.02em;
  word-break: keep-all;
}
.interface-principle {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: var(--muted);
  font: 400 11px/1.85 var(--kr);
  word-break: keep-all;
}
.interface-principle .icon {
  width: 14px;
  height: 17px;
  flex-shrink: 0;
}
.workflow-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.workflow-tabs button {
  position: relative;
  display: flex;
  gap: 21px;
  align-items: center;
  text-align: left;
  padding: 22px 24px;
  transition: background 0.2s;
}
.workflow-tabs button + button {
  border-left: 1px solid var(--line);
}
.workflow-tabs button[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper);
}
.workflow-tabs button:not([aria-selected="true"]):hover {
  background: var(--soft);
}
.workflow-tabs button > span:nth-child(2) {
  font: 600 18px var(--kr);
  letter-spacing: -0.03em;
}
.workflow-tabs small {
  display: inline-block;
  font:
    400 11px Manrope,
    sans-serif;
  letter-spacing: 0;
  margin-left: 12px;
  opacity: 0.7;
}
.step-number {
  font-size: 11px;
  font-weight: 400;
  opacity: 0.55;
}
.workflow-tabs .icon {
  margin-left: auto;
  width: 18px;
  height: 18px;
}
.workflow-panel {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 60px;
  padding-top: 47px;
  min-height: 399px;
  animation: panel-enter 0.3s both;
}
@media screen {
  /* Share one grid cell so the tallest panel reserves space at any width.
     Inactive panels still size the track, but stay invisible and unfocusable.
     Print keeps the existing sequential, all-panels-visible layout. */
  .workflow-panels {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }
  .workflow-panels > .workflow-panel {
    grid-area: 1 / 1;
    min-width: 0;
  }
  .workflow-panels > .workflow-panel[hidden] {
    display: grid !important;
    visibility: hidden;
    pointer-events: none;
    animation: none;
  }
}
.mini-label {
  display: block;
  font:
    600 10px/1.5 Manrope,
    sans-serif;
  letter-spacing: 0.08em;
}
.workflow-copy .mini-label {
  color: var(--accent);
  margin-bottom: 25px;
}
.workflow-copy h3 {
  font: 600 30px/1.45 var(--kr);
  letter-spacing: -0.05em;
  margin-bottom: 18px;
}
.workflow-copy > p {
  font: 400 15px/1.85 var(--kr);
  color: var(--muted);
  letter-spacing: -0.02em;
  max-width: 360px;
  word-break: keep-all;
}
.workflow-note {
  padding-top: 24px;
  margin-top: 25px;
  border-top: 1px solid var(--line);
  max-width: 360px;
}
.workflow-note > span {
  font: 600 10px var(--kr);
  color: var(--accent);
}
.workflow-note p {
  font: 400 12px/1.75 var(--kr);
  color: var(--muted);
  margin-top: 7px;
  word-break: keep-all;
}
.flow-art {
  position: relative;
  min-width: 0;
  min-height: 355px;
  border-bottom: 1px solid var(--line);
}
.art-caption {
  font-size: 9px;
  letter-spacing: 0.1em;
  position: absolute;
  top: 1px;
  right: 0;
  color: var(--muted);
}
.line-window {
  border: 1.3px solid var(--ink);
  border-radius: 7px;
  background: var(--paper);
}
.window-bar {
  height: 34px;
  border-bottom: 1px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 13px;
  font-size: 10px;
}
.window-dots {
  font-size: 12px;
  letter-spacing: 2px;
}
.window-bar > .icon {
  width: 15px;
  height: 15px;
}
.thought-note {
  position: absolute;
  left: 2%;
  top: 20px;
  font: 500 14px/1.6 var(--kr);
  letter-spacing: -0.03em;
  transform: rotate(-6deg);
  border: 1px solid var(--ink);
  border-radius: 4px 4px 27px 4px;
  padding: 15px 32px 15px 17px;
  background: var(--paper);
}
.pencil-mark {
  position: absolute;
  right: 9px;
  bottom: 9px;
  font-size: 20px;
  color: var(--accent);
}
.flow-connector {
  position: absolute;
  border: 1px solid var(--ink);
  border-left: 0;
  border-top: 0;
}
.connector-one {
  top: 71px;
  left: 29%;
  width: 60px;
  height: 50px;
  border-radius: 0 0 18px 0;
}
.builder-window {
  position: absolute;
  left: 24%;
  top: 108px;
  width: 68%;
  z-index: 1;
}
.code-sketch {
  padding: 23px 24px;
  display: grid;
  gap: 11px;
}
.code-sketch > span {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 3px;
}
.code-sketch i {
  width: 10px;
  height: 3px;
  background: #d0cfc5;
  margin-right: 9px;
}
.code-sketch b {
  width: 40%;
  height: 3px;
  background: var(--ink);
  opacity: 0.6;
}
.code-sketch em {
  width: 13%;
  height: 3px;
  background: var(--accent);
  opacity: 0.8;
}
.code-sketch > span:nth-child(2) b {
  width: 27%;
  margin-left: 18px;
}
.code-sketch > span:nth-child(3) b {
  width: 49%;
  margin-left: 18px;
}
.code-sketch > span:nth-child(4) b {
  width: 15%;
}
.window-bottom {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding: 10px 13px;
  font: 400 10px var(--kr);
}
.tiny-tag {
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 3px 6px;
  font-size: 9px;
  white-space: nowrap;
}
.window-bottom .tiny-tag {
  border-color: var(--accent);
  color: var(--accent);
  font:
    500 9px Manrope,
    sans-serif;
}
.app-note {
  position: absolute;
  left: 0;
  top: 213px;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: rotate(5deg);
  border: 1px solid var(--ink);
  padding: 14px 17px;
  border-radius: 6px;
  background: var(--paper);
  z-index: 2;
  font: 400 11px/1.65 var(--kr);
}
.app-note .icon {
  color: var(--accent);
  width: 28px;
  height: 28px;
}
.app-note strong {
  font-weight: 600;
}
.art-baseline {
  position: absolute;
  bottom: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  font-size: 8px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.art-baseline .icon {
  width: 16px;
  height: 16px;
}
.diagram-note {
  font: 400 10px/1.6 var(--kr);
  color: var(--muted);
  text-align: right;
  margin-top: 17px;
}
.preview-label {
  position: absolute;
  top: 38px;
  left: 7%;
  font: 500 11px var(--kr);
  display: flex;
  gap: 7px;
  align-items: center;
}
.preview-window {
  position: absolute;
  left: 7%;
  top: 65px;
  width: 75%;
}
.preview-content {
  padding: 7px 17px 18px;
}
.preview-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font: 400 12px var(--kr);
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.preview-skeleton {
  width: 45%;
  height: 4px;
  background: var(--faint);
  margin-top: 17px;
}
.review-note {
  position: absolute;
  right: 0;
  bottom: 54px;
  background: var(--paper);
  font: 400 12px/1.7 var(--kr);
  border: 1px solid var(--ink);
  border-radius: 9px;
  padding: 16px 20px;
  transform: rotate(4deg);
}
.review-note::after {
  content: "";
  position: absolute;
  width: 11px;
  height: 11px;
  border: 1px solid var(--ink);
  border-left: 0;
  border-top: 0;
  background: var(--paper);
  bottom: -7px;
  right: 24px;
  transform: skewY(30deg);
}
.review-stamp {
  position: absolute;
  left: 8%;
  bottom: 57px;
  display: flex;
  align-items: center;
  gap: 6px;
  font: 500 11px var(--kr);
  color: var(--accent);
  transform: rotate(-8deg);
}
.review-stamp .icon {
  border: 1px solid var(--accent);
  border-radius: 50%;
  padding: 2px;
  width: 29px;
  height: 29px;
}
.running-apps {
  position: absolute;
  left: 0;
  right: 0;
  top: 65px;
  display: flex;
  gap: 13px;
  justify-content: center;
}
.running-apps > div {
  width: 27%;
  border: 1px solid var(--ink);
  border-radius: 7px;
  padding: 20px 6px 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  background: var(--paper);
}
.running-apps > div::after {
  content: "";
  height: 28px;
  border-left: 1px solid var(--ink);
  position: absolute;
  bottom: -29px;
  left: 50%;
}
.running-apps .icon {
  width: 25px;
  height: 25px;
  margin-bottom: 15px;
}
.running-apps strong {
  font: 500 12px var(--kr);
}
.running-apps span {
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-top: 13px;
}
.running-apps .next-app {
  border-style: dashed;
  color: var(--muted);
}
.shared-base {
  position: absolute;
  top: 219px;
  left: 4%;
  right: 4%;
  border: 1px solid var(--ink);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 18px;
}
.shared-base .wordmark {
  font-size: 28px;
  letter-spacing: -2px;
}
.shared-base > span:last-child {
  font: 400 11px var(--kr);
}
.run-caption {
  position: absolute;
  left: 0;
  right: 0;
  top: 285px;
  font: 400 10px var(--kr);
  color: var(--muted);
  text-align: center;
}
.foundation {
  background: #f0efe9;
}
.architecture-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: center;
}
.architecture-diagram {
  position: relative;
  min-width: 0;
}
.environment-picker {
  display: flex;
  justify-content: center;
  margin-bottom: 25px;
  gap: 5px;
}
.environment-picker button {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 100px;
  font: 500 11px var(--kr);
  color: var(--muted);
}
.environment-picker .icon {
  width: 16px;
  height: 16px;
}
.environment-picker [aria-pressed="true"] {
  border-color: var(--ink);
  color: var(--ink);
}
.environment-picker [aria-pressed="false"]:hover {
  background: #e6e5dd;
}
.company-boundary {
  border: 1px solid var(--ink);
  border-radius: 10px;
  padding: 23px;
  position: relative;
}
.deployment-envelope {
  position: relative;
  isolation: isolate;
}
.deployment-roof {
  position: relative;
  aspect-ratio: 4;
}
.deployment-body {
  margin: 0 2%;
  padding: 0 5.2% 25px;
  border: 1.2px solid var(--ink);
  border-top: 0;
}
[data-location="cloud"] .deployment-body {
  border-radius: 0 0 40px 40px;
}
.deployment-outline {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  stroke: var(--ink);
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.deployment-outline path,
.access-routes path,
.access-routes circle {
  vector-effect: non-scaling-stroke;
}
.cloud-detail {
  stroke: var(--line);
}
.deployment-caption {
  position: absolute;
  bottom: 13px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 8px;
  letter-spacing: 0.16em;
  white-space: nowrap;
  color: var(--muted);
}
.deployment-caption.office-only {
  top: 60.5%;
  bottom: auto;
}
.deployment-envelope .company-boundary {
  background: var(--paper);
  padding: clamp(12px, 2vw, 20px);
  border-radius: 5px;
}
[data-location="cloud"] .company-boundary {
  border-style: dashed;
  border-color: #9b9b8c;
}
[data-location="office"] .cloud-only,
[data-location="office"] .cloud-outline,
[data-location="cloud"] .office-only,
[data-location="cloud"] .office-outline {
  display: none;
}
.deployment-access {
  position: relative;
  margin-top: -1px;
}
.access-routes {
  width: 100%;
  height: 76px;
  stroke: var(--ink);
  stroke-width: 1;
}
.access-routes .cloud-only {
  stroke-dasharray: 3 5;
}
.access-routes circle {
  stroke: var(--accent);
  fill: var(--accent);
}
.access-route-label {
  position: absolute;
  top: 13px;
  left: calc(50% + 12px);
  font: 400 9px/1.4 var(--kr);
  color: var(--muted);
  white-space: nowrap;
}
.access-points {
  display: flex;
  justify-content: center;
}
.access-point {
  width: 50%;
  text-align: center;
  font: 400 10px/1.5 var(--kr);
}
.access-point > svg {
  width: 48px;
  height: 42px;
  margin: 0 auto 7px;
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.boundary-label {
  display: flex;
  gap: 7px;
  align-items: center;
  font: 500 11px var(--kr);
  margin-bottom: 26px;
}
.boundary-label .icon {
  width: 16px;
  height: 16px;
}
.boundary-note {
  margin-left: auto;
  color: var(--muted);
  font-size: 9px;
}
.architecture-apps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.architecture-apps > div {
  border: 1px solid var(--ink);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  padding: 18px 3px;
  font: 500 11px var(--kr);
  background: var(--paper);
}
.architecture-apps .icon {
  width: 22px;
  height: 22px;
}
.chat-outline {
  border: 1.5px solid var(--ink);
  border-radius: 5px;
  width: 24px;
  height: 21px;
  text-align: center;
  line-height: 13px;
  font-size: 20px;
  position: relative;
}
.chat-outline::after {
  content: "";
  width: 4px;
  height: 4px;
  position: absolute;
  bottom: -4px;
  left: 4px;
  border-left: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  background: var(--paper);
  transform: skewY(-40deg);
}
.architecture-stems {
  display: flex;
  justify-content: space-around;
  padding: 0 10px;
}
.architecture-stems i {
  height: 23px;
  width: 1px;
  background: var(--ink);
}
.architecture-core {
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  text-align: center;
  padding: 18px 12px;
  background: var(--paper);
}
.architecture-core > .wordmark {
  font-size: 42px;
  letter-spacing: -3px;
  display: block;
  margin-bottom: 6px;
}
.architecture-core > .brand-mark {
  margin-inline: auto;
}
.architecture-core > span:nth-child(2) {
  font: 400 10px var(--kr);
  color: var(--muted);
}
.core-capabilities {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-top: 19px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font: 500 10px var(--kr);
}
.core-capabilities span {
  padding: 0 14px;
}
.core-capabilities span + span {
  border-left: 1px solid var(--line);
}
.architecture-data {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.architecture-data span {
  border: 1px solid var(--line);
  padding: 11px 4px;
  text-align: center;
  font: 400 10px var(--kr);
  border-radius: 4px;
}
.environment-description {
  font: 400 11px/1.6 var(--kr);
  margin-top: 15px;
  text-align: center;
  color: var(--muted);
  min-height: 18px;
}
.diagram-index {
  display: block;
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-align: center;
  margin-top: 18px;
}
.foundation-principles {
  display: grid;
  gap: 31px;
  padding-top: 28px;
}
.foundation-principles article {
  display: flex;
  gap: 17px;
}
.principle-number {
  font-size: 10px;
  color: var(--accent);
  padding-top: 6px;
}
.foundation-principles h3 {
  font: 600 19px/1.5 var(--kr);
  letter-spacing: -0.04em;
  margin-bottom: 12px;
  word-break: keep-all;
}
.foundation-principles p {
  font: 400 14px/1.85 var(--kr);
  letter-spacing: -0.025em;
  color: var(--muted);
  max-width: 330px;
  word-break: keep-all;
}

.ownership-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
}
.ownership-title > p {
  font: 400 15px/1.9 var(--kr);
  letter-spacing: -0.03em;
  color: var(--muted);
  margin-top: 23px;
}
.ownership-title em {
  font-family: Manrope, sans-serif;
  color: var(--ink);
  font-style: normal;
}
.ownership-drawing {
  width: 245px;
  margin-top: 40px;
  stroke-width: 1.35;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.drawing-accent {
  stroke: var(--accent);
}
.ownership-options article {
  padding: 25px 0 28px;
  border-top: 1px solid var(--line);
}
.ownership-options article:first-child {
  padding-top: 0;
  border: 0;
}
.ownership-options .mini-label {
  color: var(--muted);
  font-size: 9px;
  margin-bottom: 13px;
}
.ownership-options h3 {
  font: 600 23px var(--kr);
  letter-spacing: -0.04em;
  margin-bottom: 14px;
}
.ownership-options p {
  font: 400 14px/1.85 var(--kr);
  letter-spacing: -0.02em;
  color: var(--muted);
  word-break: keep-all;
}
.closing {
  padding: 80px 50px 65px;
  border-top: 1px solid var(--ink);
  text-align: center;
  word-break: keep-all;
}
.closing-eyebrow {
  display: block;
  color: var(--accent);
  font: 600 10px/1.6 var(--font);
  letter-spacing: 0.14em;
  margin-bottom: 26px;
}
.closing h2 {
  font: 650 clamp(46px, 5.2vw, 82px) / 1.24 var(--kr);
  letter-spacing: -0.055em;
}
.closing-summary {
  font: 400 15px/1.9 var(--kr);
  letter-spacing: -0.02em;
  color: var(--muted);
  margin: 28px auto 0;
  max-width: 500px;
}
.closing-signoff {
  font: 500 15px/1.9 var(--kr);
  letter-spacing: -0.025em;
  margin-top: 12px;
}
.closing-address {
  display: inline-flex;
  align-items: center;
  gap: 17px;
  font: 450 11px/1.7 var(--kr);
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
  margin-top: 29px;
}
.closing-address .icon {
  width: 16px;
  height: 16px;
  transform: rotate(-90deg);
  transition: transform 0.2s;
}
.closing-address:hover .icon {
  transform: translateY(-3px) rotate(-90deg);
}
.site-footer {
  border-top: 1px solid var(--line);
  margin: 0 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 25px 0 29px;
  gap: 25px;
}
.footer-brand .wordmark {
  font-size: 33px;
  letter-spacing: -2.6px;
}
.footer-brand .brand-logo {
  width: 94px;
}
.footer-brand .brand-expansion {
  font-size: 8px;
  margin-top: 10px;
}
.footer-caption {
  font-size: 10px;
  letter-spacing: -0.02em;
  color: var(--muted);
}
.copyright {
  font-size: 9px;
  color: var(--muted);
}
@keyframes panel-enter {
  from {
    opacity: 0.4;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (min-width: 1720px) {
  .page-frame {
    margin-top: 26px;
    margin-bottom: 26px;
  }
}
@media (min-width: 900px) and (max-width: 1719px) {
  .page-frame {
    margin: 16px;
  }
}
@media (max-width: 1150px) {
  .site-header {
    margin: 0 38px;
    height: 95px;
  }
  .desktop-nav {
    gap: 24px;
    margin-right: 18px;
  }
  .section-pad {
    padding-left: 48px;
    padding-right: 48px;
  }
  .hero {
    padding-left: 38px;
    padding-right: 38px;
  }
  .ghost-word {
    font-size: 31px;
  }
  .ghost-left {
    left: 4%;
  }
  .ghost-right {
    right: 4%;
  }
  .idea-layout {
    gap: 50px;
  }
  .section-label {
    margin-bottom: 45px;
  }
  .architecture-layout {
    gap: 40px;
  }
  .workflow-panel {
    gap: 40px;
  }
  .workflow-tabs button {
    padding: 20px 17px;
    gap: 15px;
  }
  .workflow-tabs small {
    margin-left: 7px;
  }
  .ownership-layout {
    gap: 60px;
  }

  .site-footer {
    margin: 0 38px;
  }
}
@media (max-width: 899px) {
  .page-frame {
    margin: 10px;
  }
  .site-header {
    margin: 0 28px;
    height: 88px;
  }
  .brand-expansion {
    display: none;
  }
  .desktop-nav {
    margin: 0 auto;
    gap: 20px;
  }
  .header-status {
    font-size: 10px;
    padding: 11px;
  }
  .header-status .icon {
    display: none;
  }
  .wordmark {
    font-size: 42px;
  }
  .hero {
    padding: 51px 28px 28px;
  }
  .hero h1 {
    font-size: 10.4vw;
  }
  .hero-eyebrow {
    font-size: 13px;
  }
  .hero-pills > span {
    font-size: 13px;
    padding: 6px 14px;
  }
  .hero-pills .icon {
    width: 17px;
    height: 17px;
  }
  .ghost-word {
    font-size: 25px;
    top: 57px;
  }
  .ghost-left {
    left: 3%;
  }
  .ghost-right {
    right: 3%;
  }
  .hero-subtitle {
    font-size: 25px;
  }
  .hero-illustration {
    margin-top: 41px;
  }
  .hero-description {
    font-size: 15px;
  }
  .section-pad {
    padding: 44px 32px 50px;
  }
  .section-label {
    margin-bottom: 39px;
  }
  .idea-layout {
    gap: 35px;
  }
  .idea h2,
  .section-heading h2,
  .ownership h2 {
    font-size: 35px;
  }
  .idea-copy {
    font-size: 15px;
  }
  .desktop-break {
    display: none;
  }

  .section-heading {
    gap: 30px;
  }
  .section-heading > p {
    font-size: 13px;
  }
  .workflow-tabs small {
    display: none;
  }
  .workflow-tabs button > span:nth-child(2) {
    font-size: 16px;
  }
  .workflow-panel {
    gap: 28px;
    grid-template-columns: 1fr 1.1fr;
  }
  .workflow-copy h3 {
    font-size: 25px;
  }
  .workflow-copy > p {
    font-size: 14px;
  }
  .workflow-note p {
    font-size: 11px;
  }
  .thought-note {
    font-size: 12px;
    left: 0;
  }
  .builder-window {
    left: 14%;
    width: 84%;
    top: 113px;
  }
  .app-note {
    font-size: 10px;
    padding: 10px;
    top: 224px;
  }
  .window-bottom {
    gap: 7px;
    padding-left: 10px;
    padding-right: 10px;
    font-size: 9px;
  }
  .art-baseline {
    gap: 12px;
    font-size: 7px;
  }
  .preview-window {
    left: 0;
    width: 88%;
  }
  .review-note {
    font-size: 11px;
    padding: 14px;
  }
  .running-apps {
    gap: 7px;
  }
  .running-apps > div {
    width: 31%;
  }
  .running-apps strong {
    font-size: 10px;
  }
  .shared-base > span:last-child {
    font-size: 9px;
  }
  .architecture-layout {
    gap: 30px;
    grid-template-columns: 1.2fr 1fr;
  }
  .company-boundary {
    padding: 16px;
  }
  .boundary-note {
    display: none;
  }
  .architecture-apps {
    gap: 8px;
  }
  .core-capabilities {
    flex-wrap: wrap;
    row-gap: 6px;
  }
  .core-capabilities span {
    padding: 0 6px;
    font-size: 9px;
  }
  .architecture-data {
    gap: 6px;
  }
  .architecture-data span {
    font-size: 9px;
  }
  .foundation-principles {
    gap: 23px;
  }
  .foundation-principles article {
    gap: 10px;
  }
  .foundation-principles h3 {
    font-size: 17px;
  }
  .foundation-principles p {
    font-size: 12px;
  }
  .environment-description {
    font-size: 10px;
    min-height: 32px;
  }

  .ownership-layout {
    gap: 38px;
  }
  .ownership-options p {
    font-size: 13px;
  }
  .ownership-options p br {
    display: none;
  }
  .ownership-options h3 {
    font-size: 21px;
  }
  .site-footer {
    margin: 0 28px;
  }
  .footer-brand .brand-expansion {
    display: block;
  }
}
@media (max-width: 639px) {
  html {
    scroll-padding-top: 20px;
  }
  .page-frame {
    margin: 8px;
  }
  .site-header {
    margin: 0 19px;
    height: 79px;
    gap: 12px;
  }
  .brand .wordmark {
    font-size: 40px;
    letter-spacing: -3px;
  }
  .desktop-nav {
    display: none;
  }
  .header-status {
    margin-left: auto;
    border: 0;
    padding: 10px 0;
    font-size: 9px;
    gap: 7px;
  }
  .header-status .status-dot {
    width: 5px;
    height: 5px;
  }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    justify-content: center;
    width: 35px;
    height: 40px;
    margin-left: 10px;
    padding: 5px;
  }
  .menu-toggle span {
    width: 22px;
    height: 1px;
    background: var(--ink);
    transition: transform 0.2s;
  }
  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }
  .mobile-menu:not([hidden]) {
    display: flex;
    flex-direction: column;
    margin: 0 19px;
    padding: 10px 0 20px;
    border-bottom: 1px solid var(--ink);
  }
  .mobile-menu a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    font: 500 15px var(--kr);
  }
  .mobile-menu span {
    font:
      400 10px Manrope,
      sans-serif;
    color: var(--muted);
  }
  .mobile-menu .icon {
    width: 15px;
    height: 15px;
  }
  .hero {
    padding: 37px 18px 24px;
  }
  .hero-eyebrow {
    font-size: 11px;
    margin-bottom: 23px;
    letter-spacing: -0.02em;
  }
  .hero-pills {
    gap: 5px;
    margin-bottom: 22px;
  }
  .hero-pills > span {
    font-size: 11px;
    padding: 6px 10px;
    gap: 5px;
    border-width: 1px;
  }
  .hero-pills .icon {
    width: 14px;
    height: 14px;
    stroke-width: 1.5;
  }
  .hero h1 {
    font-size: clamp(38px, 12.8vw, 79px);
    letter-spacing: -0.07em;
  }
  .hero-subtitle {
    font-size: 21px;
    line-height: 1.55;
    letter-spacing: -0.055em;
    max-width: 290px;
    margin: 22px auto 0;
    text-wrap: balance;
  }
  .hero-description {
    font-size: 13px;
    margin-top: 12px;
    line-height: 1.9;
  }
  .hero-link {
    font-size: 11px;
    margin-top: 20px;
    gap: 11px;
  }
  .hero-link .icon {
    width: 14px;
    height: 14px;
  }
  .ghost-word {
    display: none;
  }
  .ghost-left {
    left: -6px;
    transform: rotate(-90deg);
    transform-origin: center;
  }
  .ghost-right {
    right: -14px;
    transform: rotate(90deg);
  }
  .hero-illustration {
    margin: 25px -3px 0;
    max-width: none;
  }
  .workplace-scene {
    height: auto;
    min-height: 120px;
  }
  .hero-illustration figcaption {
    font-size: 6px;
    letter-spacing: 0.07em;
    padding-top: 5px;
  }
  .hero-illustration figcaption span:last-child {
    font-size: 7px;
  }

  .section-pad {
    padding: 32px 23px 39px;
  }
  .section-label {
    margin-bottom: 32px;
    font-size: 8px;
    letter-spacing: 0.06em;
    gap: 10px;
  }
  .section-label > span:last-child {
    font-size: 8px;
    max-width: 130px;
    text-align: right;
  }
  .idea {
    margin-top: 8px;
  }
  .idea-layout {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .idea h2,
  .section-heading h2,
  .ownership h2 {
    font-size: 32px;
    letter-spacing: -0.05em;
  }
  .idea-copy {
    font-size: 14px;
    line-height: 1.9;
    max-width: none;
    padding-top: 0;
  }
  .idea-copy p + p {
    margin-top: 15px;
  }

  .section-heading {
    display: block;
    margin-bottom: 28px;
  }
  .section-heading > p {
    font-size: 13px;
    margin-top: 20px;
    padding: 0;
  }
  .workflow-tabs button {
    gap: 10px;
    padding: 16px 9px;
  }
  .step-number {
    font-size: 8px;
  }
  .workflow-tabs button > span:nth-child(2) {
    font-size: 13px;
  }
  .workflow-tabs .icon {
    display: none;
  }
  .workflow-panel {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 29px;
    min-height: 0;
  }
  .workflow-copy .mini-label {
    font-size: 8px;
    margin-bottom: 15px;
  }
  .workflow-copy h3 {
    font-size: 25px;
    line-height: 1.45;
    margin-bottom: 12px;
  }
  .workflow-copy h3 br {
    display: none;
  }
  .workflow-copy > p {
    font-size: 14px;
    max-width: none;
  }
  .workflow-note {
    margin-top: 20px;
    padding-top: 16px;
    max-width: none;
  }
  .workflow-note > span {
    font-size: 9px;
  }
  .workflow-note p {
    font-size: 11px;
    margin-top: 5px;
  }
  .flow-art {
    height: 325px;
    min-height: 325px;
    max-width: 400px;
    width: 100%;
    margin: auto;
  }
  .art-caption {
    font-size: 8px;
  }
  .thought-note {
    top: 20px;
    left: 2%;
    font-size: 12px;
  }
  .builder-window {
    left: 21%;
    width: 76%;
    top: 100px;
  }
  .app-note {
    left: 1%;
    top: 209px;
    font-size: 10px;
    padding: 12px;
  }
  .code-sketch {
    padding: 22px 17px;
  }
  .window-bar {
    font-size: 9px;
    padding: 0 10px;
  }
  .art-baseline {
    font-size: 7px;
    gap: 15px;
    bottom: 12px;
  }
  .diagram-note {
    text-align: left;
    font-size: 9px;
    margin-top: 14px;
  }
  .review-note {
    bottom: 45px;
  }
  .preview-window {
    width: 84%;
    left: 3%;
  }
  .preview-label {
    left: 3%;
  }
  .review-stamp {
    left: 4%;
    bottom: 45px;
  }
  .running-apps {
    top: 49px;
  }
  .running-apps > div {
    width: 29%;
    padding: 17px 3px 12px;
  }
  .running-apps > div::after {
    height: 28px;
    bottom: -29px;
  }
  .shared-base {
    top: 193px;
  }
  .run-caption {
    top: 260px;
    font-size: 9px;
  }
  .architecture-layout {
    grid-template-columns: 1fr;
    gap: 33px;
  }
  .architecture-diagram {
    max-width: 430px;
    width: 100%;
    margin: auto;
  }
  .environment-picker {
    margin-bottom: 20px;
  }
  .environment-picker button {
    font-size: 11px;
    padding: 9px 14px;
  }
  .company-boundary {
    padding: 18px;
  }
  .boundary-label {
    font-size: 10px;
    margin-bottom: 20px;
  }
  .boundary-note {
    display: block;
    font-size: 8px;
  }
  .architecture-apps {
    gap: 10px;
  }
  .architecture-apps > div {
    font-size: 10px;
    padding: 15px 4px;
  }
  .core-capabilities {
    margin-top: 15px;
    gap: 0;
    padding-top: 12px;
  }
  .core-capabilities span {
    font-size: 9px;
    padding: 0 9px;
  }
  .architecture-core {
    padding: 17px 10px;
  }
  .architecture-data span {
    font-size: 9px;
  }
  .environment-description {
    font-size: 10px;
    min-height: 0;
  }
  .diagram-index {
    font-size: 7px;
    margin-top: 13px;
  }
  .foundation-principles {
    padding-top: 4px;
    gap: 23px;
  }
  .foundation-principles article {
    gap: 14px;
  }
  .foundation-principles h3 {
    font-size: 19px;
    margin-bottom: 9px;
  }
  .foundation-principles p {
    font-size: 13px;
    max-width: none;
  }

  .ownership-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .ownership-title > p {
    font-size: 14px;
    margin-top: 17px;
  }
  .ownership-drawing {
    display: none;
  }
  .ownership-options article {
    padding: 22px 0;
  }
  .ownership-options article:first-child {
    border-top: 1px solid var(--line);
    padding-top: 24px;
  }
  .ownership-options article:last-child {
    padding-bottom: 0;
  }
  .ownership-options h3 {
    font-size: 21px;
  }
  .ownership-options p {
    font-size: 13px;
  }
  .closing {
    padding: 52px 23px 42px;
  }
  .closing-eyebrow {
    font-size: 9px;
    margin-bottom: 22px;
  }
  .closing h2 {
    font-size: clamp(30px, 8.8vw, 52px);
  }
  .closing-summary {
    font-size: 13px;
    max-width: 310px;
    margin-top: 23px;
  }
  .closing-signoff {
    font-size: 13px;
    margin-top: 14px;
  }
  .closing-address {
    margin-top: 24px;
  }
  .site-footer {
    margin: 0 21px;
    gap: 15px;
    flex-wrap: wrap;
    padding: 22px 0;
  }
  .footer-brand {
    gap: 10px;
  }
  .footer-brand .wordmark {
    font-size: 31px;
  }
  .footer-brand .brand-expansion {
    font-size: 7px;
  }
  .footer-caption {
    display: none;
  }
  .copyright {
    font-size: 8px;
    margin-left: auto;
  }
}
@media (max-width: 359px) {
  .hero {
    padding-left: 12px;
    padding-right: 12px;
  }
  .hero-subtitle {
    font-size: 19px;
  }
  .hero-pills > span {
    padding: 5px 8px;
    font-size: 10px;
  }
  .hero-pills .icon {
    width: 13px;
    height: 13px;
  }
  .section-pad {
    padding-left: 18px;
    padding-right: 18px;
  }
  .workflow-tabs button {
    gap: 7px;
  }
  .workflow-tabs button > span:nth-child(2) {
    font-size: 12px;
  }
  .core-capabilities span {
    font-size: 8px;
    padding: 0 7px;
  }
  .boundary-note {
    display: none;
  }
  .window-bottom {
    font-size: 8px;
  }
  .brand .wordmark {
    font-size: 36px;
  }
}
@media (max-width: 1100px) {
  .ai-layout {
    gap: 38px;
  }
  .conversation-sheet {
    padding-inline: 22px;
  }
}
@media (max-width: 899px) {
  .workbook-heading {
    padding: 24px;
  }
  .case-tabs {
    padding-inline: 24px;
  }
  .case-story,
  .case-route {
    padding: 27px 24px;
  }
  .ai-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .ai-principles ol {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
  .ai-principles li {
    flex-direction: column;
    gap: 13px;
    padding-bottom: 0;
  }
  .ai-principles h3 {
    font-size: 17px;
  }
  .ai-principles li p {
    font-size: 13px;
  }
  .conversation-sheet {
    width: 100%;
    max-width: 550px;
    justify-self: center;
  }
  .tool-choice {
    grid-template-columns: 1fr 2fr;
    gap: 24px;
  }
  .tool-choice-heading h3 {
    font-size: 18px;
  }
  .developer-tools {
    gap: 8px;
  }
  .developer-tools li {
    font-size: 12px;
    padding: 6px 12px;
  }
  .interface-explanations {
    gap: 20px;
  }
  .interface-explanations > div + div {
    padding-left: 20px;
  }
  .interface-explanations dd p {
    font-size: 12px;
  }
}
@media (max-width: 639px) {
  .workbook {
    margin-top: 36px;
  }
  .workbook-heading {
    display: block;
    padding: 22px 19px 18px;
  }
  .workbook h3 {
    font-size: 19px;
    margin-bottom: 8px;
  }
  .example-label {
    font-size: 10px;
  }
  .case-tabs {
    padding-inline: 19px;
    justify-content: space-between;
    gap: 15px;
  }
  .case-tabs button {
    font-size: 12px;
    gap: 6px;
    padding-block: 18px;
  }
  .case-tabs button span {
    font-size: 8px;
  }
  .case-panel {
    grid-template-columns: 1fr;
  }
  .case-story {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 25px 22px;
  }
  .case-story h4 {
    font-size: 25px;
    margin-bottom: 13px;
  }
  .case-index {
    font-size: 11px;
    margin-bottom: 13px;
  }
  .case-story > p {
    font-size: 13px;
  }
  .case-route {
    padding: 26px 22px 22px;
  }
  .case-route li {
    gap: 15px;
    padding-bottom: 24px;
  }
  .case-route li strong {
    font-size: 14px;
  }
  .case-route li p {
    font-size: 12px;
  }
  .case-result {
    font-size: 10px;
    margin-top: 20px;
    padding-top: 16px;
  }
  .workbook-footnote {
    padding: 13px 19px;
    font-size: 9px;
    word-break: keep-all;
  }
  .ai-principles ol {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .ai-principles li {
    flex-direction: row;
    padding: 22px 0;
    gap: 18px;
  }
  .ai-principles li:last-child {
    padding-bottom: 0;
  }
  .ai-principles h3 {
    font-size: 19px;
  }
  .conversation-sheet {
    padding-inline: 17px;
  }
  .conversation-sheet figcaption {
    gap: 10px;
    font-size: 7px;
    letter-spacing: 0;
  }
  .conversation-sheet figcaption span:last-child {
    font-size: 8px;
  }
  .conversation-line {
    grid-template-columns: 23px 1fr;
    gap: 11px;
    font-size: 12px;
  }
  .source-slip {
    font-size: 9px;
    gap: 5px;
  }
  .request-slip {
    padding: 11px 12px 0;
  }
  .request-slip-heading {
    flex-wrap: wrap;
    gap: 6px;
    font-size: 10px;
  }
  .request-slip-heading > span {
    font-size: 8px;
  }
  .request-slip dl {
    font-size: 10px;
  }
  .request-slip dl > div {
    grid-template-columns: 66px 1fr;
    gap: 5px;
  }
  .confirmation-note {
    font-size: 9px;
    gap: 5px;
  }
  .conversation-footer {
    font-size: 8px;
  }
  .tool-choice {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 24px 0;
  }
  .tool-choice-heading h3 {
    font-size: 19px;
  }
  .tool-choice-content > p {
    font-size: 10px;
    margin-top: 12px;
  }
  .developer-tools {
    display: grid;
    grid-template-columns: repeat(3, max-content);
  }
  .developer-tools li {
    justify-self: start;
  }
  .developer-notes {
    margin-top: 22px;
  }
  .developer-notes summary {
    gap: 15px;
    padding: 18px 0;
  }
  .developer-notes summary strong {
    font-size: 15px;
  }
  .developer-notes-toggle {
    gap: 12px;
    font-size: 8px;
  }
  .developer-notes-toggle .icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }
  .developer-notes-intro {
    font-size: 13px;
  }
  .interface-explanations {
    grid-template-columns: 1fr;
    gap: 22px;
    margin: 24px 0;
  }
  .interface-explanations > div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 22px 0 0;
  }
  .interface-explanations dt {
    margin-bottom: 12px;
    font-size: 23px;
  }
  .interface-explanations dd p {
    font-size: 13px;
    margin-top: 7px;
  }
  .interface-principle {
    font-size: 10px;
  }
}
/* Shared foundations: a comparative drawing, followed by an editorial ledger. */
.shared-foundation h2,
.foundation h2,
.subsection-heading h3 {
  word-break: keep-all;
}
.reuse-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
}
.reuse-side {
  display: flex;
  flex-direction: column;
  padding: 30px 32px 26px 0;
  min-width: 0;
}
.reuse-together {
  padding-right: 0;
  padding-left: 32px;
  border-left: 1px solid var(--line);
}
.comparison-heading {
  margin-bottom: 27px;
}
.comparison-heading .mini-label {
  font-size: 9px;
  letter-spacing: 0.08em;
}
.reuse-together .mini-label {
  color: var(--accent);
}
.comparison-heading h3 {
  font: 550 22px/1.5 var(--kr);
  letter-spacing: -0.04em;
  margin-top: 10px;
}
.separate-apps,
.connected-apps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  text-align: center;
}
.separate-app,
.connected-apps > div {
  border: 1px solid var(--line);
  border-radius: 5px;
  min-width: 0;
  overflow: hidden;
}
.connected-apps > div {
  border-color: var(--ink);
}
.separate-app h4,
.connected-apps h4 {
  font: 600 15px/1.5 var(--kr);
  margin: 18px 0 7px;
}
.separate-app p,
.connected-apps p {
  font: 400 10px/1.6 var(--kr);
  color: var(--muted);
  margin-bottom: 17px;
}
.separate-app ul {
  list-style: none;
  padding: 0 10px;
  margin: 0 0 16px;
  display: grid;
  gap: 7px;
}
.separate-app li {
  border: 1px dashed var(--line);
  padding: 7px 2px;
  font: 400 11px/1.4 var(--kr);
  color: var(--muted);
}
.app-data-label {
  display: block;
  border-top: 1px solid var(--line);
  padding: 10px 2px;
  font: 400 10px/1.4 var(--kr);
  background: var(--soft);
}
.shared-connector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  height: 32px;
}
.shared-connector i {
  border-right: 1px solid var(--ink);
  width: 50%;
}
.reuse-core {
  border: 1px solid var(--ink);
  border-radius: 5px;
  padding: 13px 18px 17px;
}
.reuse-core-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font: 500 11px/1.5 var(--kr);
}
.reuse-core .wordmark {
  font-size: 32px;
  letter-spacing: -2px;
}
.reuse-core ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  gap: 8px 14px;
  padding: 14px 0 0;
  margin: 8px 0 0;
  border-top: 1px solid var(--line);
  font: 450 12px/1.5 var(--kr);
}
.comparison-note {
  padding-top: 26px;
  margin-top: auto;
  font: 400 13px/1.8 var(--kr);
  color: var(--muted);
  word-break: keep-all;
}
.reuse-together .comparison-note {
  color: var(--ink);
}
.reuse-comparison figcaption,
.operations-figure figcaption,
.security-figure figcaption,
.figure-footnote {
  font: 400 11px/1.8 var(--kr);
  color: var(--muted);
  word-break: keep-all;
}
.reuse-comparison figcaption {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding-top: 15px;
}
.shared-benefits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
  margin-top: 48px;
}
.shared-benefits article {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.shared-benefits article > span {
  font-size: 10px;
  color: var(--accent);
}
.shared-benefits h3 {
  font: 550 19px/1.5 var(--kr);
  margin: 12px 0 10px;
  letter-spacing: -0.035em;
}
.shared-benefits p {
  font: 400 13px/1.85 var(--kr);
  color: var(--muted);
  word-break: keep-all;
}
.section-next {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  font: 500 12px/1.6 var(--kr);
  margin-top: 34px;
  padding: 8px 0;
  border-bottom: 1px solid var(--ink);
}
.section-next .icon {
  width: 16px;
  height: 16px;
}
.section-next:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Infrastructure roles and the autonomous operations concept. */
.infrastructure,
.operations-ai,
.security-design {
  margin-top: 70px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}
.subsection-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: 60px;
  margin-bottom: 36px;
}
.subsection-heading .mini-label {
  display: block;
  margin-bottom: 17px;
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.subsection-heading h3 {
  font: 600 32px/1.45 var(--kr);
  letter-spacing: -0.045em;
}
.subsection-heading > p {
  font: 400 14px/1.9 var(--kr);
  color: var(--muted);
  word-break: keep-all;
  max-width: 460px;
  margin-left: auto;
}
.infrastructure-ledger {
  margin: 0;
  border-top: 1px solid var(--ink);
}
.infrastructure-ledger > div {
  display: grid;
  grid-template-columns: 0.8fr 2fr;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.infrastructure-ledger dt {
  font: 550 17px/1.7 var(--kr);
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 22px;
}
.infrastructure-ledger dt > span {
  font: 500 10px var(--font);
  color: var(--accent);
}
.infrastructure-ledger dd {
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 23px;
  font: 400 13px/1.7 var(--kr);
  word-break: keep-all;
}
.infrastructure-ledger dd > span {
  padding-left: 12px;
  border-left: 1px solid var(--line);
}
.infrastructure-ledger small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}
.figure-footnote {
  margin-top: 16px;
}
.operations-ai .mini-label {
  color: var(--accent);
}
.operations-figure {
  position: relative;
  margin-top: 47px;
  border: 1px solid var(--ink);
  border-radius: 12px;
  padding: 35px 30px 23px;
}
.operations-boundary {
  display: flex;
  align-items: center;
  gap: 9px;
  position: absolute;
  top: -11px;
  left: 25px;
  padding: 0 12px;
  background: #f0efe9;
  font: 450 12px/1.7 var(--kr);
}
.operations-boundary .icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
.operations-loop {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 30px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.operations-loop li {
  position: relative;
}
.loop-index {
  display: block;
  font: 500 10px/1.6 var(--kr);
  color: var(--muted);
  margin-bottom: 18px;
}
.operations-loop strong {
  display: block;
  font: 600 17px/1.6 var(--kr);
  letter-spacing: -0.025em;
}
.operations-loop p {
  font: 400 12px/1.8 var(--kr);
  color: var(--muted);
  margin-top: 8px;
  word-break: keep-all;
  max-width: 146px;
}
.operations-loop li:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -23px;
  top: 37px;
  font-size: 16px;
  color: var(--muted);
}
.recovery-step .loop-index {
  color: var(--accent);
}
.observation-return {
  height: 30px;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 10px 10px;
  margin: 20px 8% 30px;
  position: relative;
}
.observation-return::before {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  transform: rotate(45deg);
  left: -3px;
  top: 0;
}
.observation-return span {
  position: absolute;
  bottom: -9px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0 12px;
  background: #f0efe9;
  font: 400 10px/1.8 var(--kr);
  white-space: nowrap;
  color: var(--muted);
}
.operations-figure figcaption {
  text-align: center;
  font-size: 10px;
}
.operations-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 30px;
}
.operations-principles h4,
.security-principles h4 {
  margin: 0 0 10px;
  font: 550 17px/1.6 var(--kr);
  letter-spacing: -0.025em;
  word-break: keep-all;
}
.operations-principles p,
.security-principles p {
  font: 400 13px/1.85 var(--kr);
  color: var(--muted);
  word-break: keep-all;
}

/* Security gates show distinct transport, identity, and access checks. */
.security-figure {
  padding: 28px 0 20px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}
.security-flow {
  list-style: none;
  margin: 0 0 27px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 27px;
}
.security-flow li {
  min-width: 0;
  position: relative;
}
.security-node {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 18px 13px;
  min-height: 126px;
}
.security-step {
  display: block;
  font: 500 8px/1.5 var(--font);
  letter-spacing: 0.03em;
  color: var(--muted);
  margin-bottom: 18px;
}
.security-node strong {
  display: block;
  font: 550 15px/1.5 var(--kr);
  letter-spacing: -0.035em;
  word-break: keep-all;
}
.security-node p {
  font: 400 10px/1.6 var(--kr);
  color: var(--muted);
  margin-top: 8px;
  word-break: keep-all;
}
.security-allowed {
  border-color: var(--ink);
}
.security-flow li:not(:last-child) .security-node::after {
  content: "→";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: -21px;
  font-size: 16px;
  color: var(--muted);
}
.rejected-request {
  display: block;
  font: 450 10px/1.6 var(--kr);
  color: var(--accent);
  text-align: center;
  word-break: keep-all;
}
.rejected-request::before {
  content: "";
  display: block;
  width: 7px;
  height: 22px;
  border-left: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  margin: 0 auto 7px;
}
.security-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 60px;
  margin-top: 35px;
}
.security-principles article {
  display: flex;
  gap: 20px;
}
.security-principles .principle-number {
  flex-shrink: 0;
  padding-top: 6px;
}

@media (max-width: 1100px) {
  .reuse-side {
    padding-right: 24px;
  }
  .reuse-together {
    padding-left: 24px;
    padding-right: 0;
  }
  .separate-apps,
  .connected-apps {
    gap: 8px;
  }
  .shared-benefits {
    gap: 20px;
  }
  .shared-benefits h3 {
    font-size: 17px;
  }
  .subsection-heading {
    gap: 35px;
  }
  .subsection-heading h3 {
    font-size: 28px;
  }
  .operations-figure {
    padding-left: 22px;
    padding-right: 22px;
  }
  .operations-loop {
    gap: 25px;
  }
  .operations-loop strong {
    font-size: 15px;
  }
  .operations-loop p {
    font-size: 11px;
  }
  .security-flow {
    gap: 20px;
  }
  .security-node {
    padding: 15px 10px;
    min-height: 133px;
  }
  .security-node strong {
    font-size: 13px;
  }
  .security-flow li:not(:last-child) .security-node::after {
    right: -17px;
    font-size: 13px;
  }
}
@media (max-width: 899px) {
  .comparison-heading h3 {
    font-size: 19px;
  }
  .reuse-side {
    padding-right: 18px;
  }
  .reuse-together {
    padding-left: 18px;
    padding-right: 0;
  }
  .separate-apps,
  .connected-apps {
    gap: 6px;
  }
  .separate-app h4,
  .connected-apps h4 {
    font-size: 13px;
  }
  .separate-app p,
  .connected-apps p {
    font-size: 9px;
  }
  .separate-app ul {
    padding: 0 6px;
  }
  .separate-app li {
    font-size: 10px;
  }
  .reuse-core {
    padding: 12px;
  }
  .reuse-core-heading {
    font-size: 10px;
  }
  .reuse-core ul {
    font-size: 10px;
    gap: 9px;
  }
  .shared-benefits {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 27px;
  }
  .infrastructure,
  .operations-ai,
  .security-design {
    margin-top: 48px;
    padding-top: 36px;
  }
  .subsection-heading {
    gap: 30px;
  }
  .subsection-heading h3 {
    font-size: 25px;
  }
  .subsection-heading > p {
    font-size: 13px;
  }
  .infrastructure-ledger > div {
    grid-template-columns: 1fr 2fr;
    gap: 20px;
  }
  .infrastructure-ledger dt {
    font-size: 15px;
    gap: 14px;
  }
  .infrastructure-ledger dd {
    font-size: 12px;
    gap: 12px 20px;
  }
  .operations-principles {
    gap: 23px;
  }
  .operations-principles h4,
  .security-principles h4 {
    font-size: 15px;
  }
  .operations-principles p,
  .security-principles p {
    font-size: 12px;
  }
  .security-flow {
    gap: 16px;
  }
  .security-node {
    padding: 13px 8px;
    min-height: 139px;
  }
  .security-step {
    font-size: 7px;
  }
  .security-flow li:not(:last-child) .security-node::after {
    right: -14px;
    font-size: 12px;
  }
  .security-principles {
    gap: 27px;
  }
}
@media (max-width: 639px) {
  .reuse-comparison {
    grid-template-columns: minmax(0, 1fr);
  }
  .reuse-side,
  .reuse-together {
    padding: 25px 0;
  }
  .reuse-together {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .comparison-heading {
    margin-bottom: 23px;
  }
  .comparison-heading h3 {
    font-size: 21px;
  }
  .separate-app h4,
  .connected-apps h4 {
    font-size: 13px;
  }
  .separate-app p,
  .connected-apps p {
    font-size: 9px;
  }
  .separate-app li {
    font-size: 10px;
    padding: 7px 0;
  }
  .reuse-core {
    padding: 12px 15px 16px;
  }
  .reuse-core-heading {
    font-size: 11px;
  }
  .reuse-core ul {
    font-size: 11px;
  }
  .comparison-note {
    font-size: 12px;
    padding-top: 21px;
  }
  .reuse-comparison figcaption,
  .figure-footnote,
  .security-figure figcaption {
    font-size: 10px;
  }
  .shared-benefits {
    margin-top: 32px;
    gap: 24px 18px;
  }
  .shared-benefits h3 {
    font-size: 17px;
  }
  .shared-benefits p {
    font-size: 12px;
  }
  .section-next {
    margin-top: 28px;
    font-size: 11px;
  }
  .subsection-heading {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    margin-bottom: 28px;
  }
  .subsection-heading h3 {
    font-size: 27px;
  }
  .subsection-heading > p {
    margin: 0;
    font-size: 14px;
  }
  .infrastructure-ledger > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 22px 0;
  }
  .infrastructure-ledger dt {
    font-size: 17px;
  }
  .infrastructure-ledger dd {
    gap: 10px 16px;
    font-size: 12px;
    padding-left: 28px;
  }
  .infrastructure-ledger dd > span {
    padding-left: 10px;
  }
  .operations-figure {
    margin-top: 30px;
    padding: 20px 19px;
  }
  .operations-boundary {
    position: static;
    padding: 0 0 19px;
    font-size: 11px;
    border-bottom: 1px solid var(--line);
    align-items: flex-start;
  }
  .operations-boundary .icon {
    margin-top: 2px;
  }
  .operations-loop {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    margin-top: 25px;
  }
  .operations-loop li {
    display: grid;
    grid-template-columns: 43px 1fr;
    column-gap: 15px;
  }
  .loop-index {
    grid-row: span 2;
    margin: 0;
    font-size: 10px;
    padding-top: 5px;
  }
  .operations-loop strong {
    font-size: 18px;
  }
  .operations-loop p {
    font-size: 12px;
    margin-top: 3px;
    max-width: none;
  }
  .recovery-step .loop-index {
    font-size: 9px;
    white-space: nowrap;
  }
  .operations-loop li:not(:last-child)::after {
    content: "↓";
    left: 8px;
    top: auto;
    right: auto;
    bottom: -26px;
  }
  .observation-return {
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    margin: 24px 0 15px;
    height: auto;
    padding-top: 15px;
  }
  .observation-return::before {
    content: "↺";
    position: static;
    display: inline;
    border: 0;
    color: var(--muted);
  }
  .observation-return span {
    position: static;
    transform: none;
    padding: 0 0 0 7px;
    white-space: normal;
    font-size: 10px;
  }
  .operations-figure figcaption {
    text-align: left;
  }
  .operations-principles {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
  .operations-principles h4,
  .security-principles h4 {
    font-size: 17px;
  }
  .operations-principles p,
  .security-principles p {
    font-size: 13px;
  }
  .security-flow {
    grid-template-columns: minmax(0, 1fr);
    gap: 27px;
  }
  .security-flow li {
    padding-right: 83px;
  }
  .security-node {
    padding: 16px;
    min-height: 105px;
  }
  .security-step {
    font-size: 8px;
    margin-bottom: 12px;
  }
  .security-node strong {
    font-size: 15px;
  }
  .security-node p {
    font-size: 10px;
  }
  .security-flow li:not(:last-child) .security-node::after {
    content: "↓";
    top: auto;
    bottom: -24px;
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    font-size: 16px;
  }
  .rejected-request {
    position: absolute;
    right: 0;
    top: 40%;
    transform: translateY(-50%);
    width: 65px;
    text-align: left;
    padding-left: 8px;
    font-size: 10px;
  }
  .rejected-request::before {
    position: absolute;
    left: -18px;
    top: 50%;
    width: 18px;
    height: 7px;
    border: 0;
    border-top: 1px solid var(--accent);
    border-right: 1px solid var(--accent);
    margin: 0;
  }
  .security-principles {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    margin-top: 29px;
  }
  .security-principles article {
    gap: 15px;
  }
}
/* Existing systems retain their data; miy connects meaning and permitted work. */
.connected-systems h2,
.connected-systems h3,
.connected-systems p {
  word-break: keep-all;
}
.systems-figure {
  border-block: 1px solid var(--line);
  padding: 24px 0 20px;
}
.integration-design-note {
  color: var(--accent);
  font: 450 10px/1.7 var(--kr);
  margin-bottom: 35px;
}
.connection-map {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) 48px minmax(0, 1.5fr) 48px minmax(
      0,
      1fr
    );
  align-items: center;
}
.connection-map > div {
  min-width: 0;
}
.connection-label {
  display: block;
  font: 500 8px/1.6 var(--font);
  letter-spacing: 0.07em;
  color: var(--muted);
}
.source-systems h3,
.connected-agent h3 {
  font: 550 18px/1.5 var(--kr);
  letter-spacing: -0.035em;
  margin-top: 10px;
}
.source-systems ul {
  list-style: none;
  padding: 0 18px 0 0;
  margin: 23px 0 0;
  border-right: 1px solid var(--line);
}
.source-systems li {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.source-systems .icon {
  width: 25px;
  height: 25px;
  flex-shrink: 0;
  fill: none;
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.source-systems strong {
  display: block;
  font: 550 14px/1.5 var(--kr);
  word-break: keep-all;
}
.source-systems li span {
  display: block;
  font: 400 11px/1.6 var(--kr);
  color: var(--muted);
  margin-top: 3px;
}
.context-link {
  position: relative;
  color: var(--muted);
}
.context-link svg {
  width: 100%;
  fill: none;
  stroke-width: 1;
}
.context-link span {
  position: absolute;
  left: 50%;
  top: calc(100% + 5px);
  transform: translateX(-50%);
  font: 400 8px/1.5 var(--kr);
  white-space: nowrap;
}
.context-hub {
  border: 1px solid var(--ink);
  border-radius: 7px;
  padding: 20px 23px 0;
}
.context-hub-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
}
.context-hub-heading .wordmark {
  font-size: 38px;
  letter-spacing: -2.5px;
}
.context-hub-heading > span:last-child {
  font: 500 11px/1.6 var(--kr);
  word-break: keep-all;
}
.context-entry,
.context-policy {
  display: flex;
  align-items: center;
  gap: 9px;
  font: 450 11px/1.7 var(--kr);
  padding: 17px 0;
}
.context-entry .icon,
.context-policy .icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
.ontology-layer {
  border-block: 1px solid var(--line);
  padding: 19px 0;
}
.ontology-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.ontology-heading h3 {
  font: 550 15px/1.6 var(--kr);
  letter-spacing: -0.03em;
}
.ontology-heading > span {
  font: 400 10px/1.6 var(--kr);
  color: var(--muted);
}
.ontology-map {
  width: 100%;
  height: auto;
  max-width: 380px;
  margin: 19px auto 9px;
}
.ontology-map text {
  font-family: var(--kr);
  text-anchor: middle;
  stroke: none;
}
.ontology-map path,
.ontology-map rect {
  vector-effect: non-scaling-stroke;
  stroke-width: 1;
}
.ontology-relations path {
  stroke: var(--line);
}
.ontology-relations text {
  font-size: 12px;
  fill: var(--muted);
}
.ontology-entities text {
  font-size: 16px;
  font-weight: 500;
  fill: var(--ink);
}
.ontology-layer > p {
  font: 400 11px/1.75 var(--kr);
  color: var(--muted);
  text-align: center;
}
.context-policy {
  color: var(--muted);
}
.agent-preparation {
  list-style: none;
  padding: 0;
  margin: 24px 0 30px;
}
.agent-preparation li {
  display: flex;
  gap: 12px;
  padding-bottom: 18px;
}
.agent-preparation li:last-child {
  padding-bottom: 0;
}
.agent-preparation li > span {
  font: 500 9px/1.7 var(--font);
  color: var(--muted);
  padding-top: 2px;
}
.agent-preparation strong {
  font: 500 13px/1.6 var(--kr);
  letter-spacing: -0.02em;
}
.agent-preparation p {
  font: 400 10px/1.7 var(--kr);
  color: var(--muted);
  margin-top: 4px;
}
.human-gate {
  position: relative;
  border: 1px solid var(--accent);
  border-radius: 5px;
  padding: 15px;
}
.human-gate::before {
  content: "↓";
  position: absolute;
  left: 50%;
  top: -27px;
  transform: translateX(-50%);
  font-size: 17px;
  color: var(--accent);
}
.human-gate .connection-label {
  color: var(--accent);
  margin-bottom: 7px;
}
.human-gate strong {
  display: block;
  font: 550 14px/1.6 var(--kr);
  letter-spacing: -0.03em;
}
.human-gate p {
  margin-top: 5px;
  font: 400 10px/1.7 var(--kr);
  color: var(--muted);
}
.connected-execution {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding-top: 14px;
}
.connected-execution > span {
  font: 400 9px/1.6 var(--kr);
  color: var(--muted);
}
.connected-execution .icon {
  width: 17px;
  height: 17px;
}
.connected-execution strong {
  font: 500 11px/1.7 var(--kr);
  word-break: keep-all;
}
.systems-figure figcaption {
  margin-top: 29px;
  font: 400 10px/1.8 var(--kr);
  color: var(--muted);
  word-break: keep-all;
}
.connection-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 45px;
  margin-top: 38px;
}
.connection-principles h3 {
  font: 550 21px/1.5 var(--kr);
  letter-spacing: -0.035em;
  margin: 12px 0 14px;
}
.connection-principles p {
  font: 400 13px/1.85 var(--kr);
  color: var(--muted);
}
@media (max-width: 1100px) {
  .connection-map {
    grid-template-columns: minmax(0, 0.9fr) 38px minmax(0, 1.4fr) 38px minmax(
        0,
        1fr
      );
  }
  .context-hub {
    padding: 16px 16px 0;
  }
  .context-hub-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .source-systems h3,
  .connected-agent h3 {
    font-size: 16px;
  }
  .source-systems ul {
    padding-right: 13px;
  }
  .source-systems li {
    gap: 10px;
  }
  .source-systems strong {
    font-size: 13px;
  }
  .context-entry,
  .context-policy {
    font-size: 10px;
  }
  .agent-preparation li {
    gap: 9px;
  }
  .agent-preparation strong {
    font-size: 12px;
  }
  .human-gate {
    padding: 12px;
  }
  .human-gate strong {
    font-size: 13px;
  }
  .connection-principles {
    gap: 30px;
  }
  .connection-principles h3 {
    font-size: 19px;
  }
}
@media (max-width: 899px) {
  .connected-systems .section-heading {
    display: block;
  }
  .connected-systems .section-heading > p {
    max-width: 510px;
    margin-top: 22px;
  }
  .connection-map {
    grid-template-columns: minmax(0, 1fr);
  }
  .source-systems ul {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 17px;
    padding: 0;
    border: 0;
    margin-top: 18px;
  }
  .source-systems li {
    align-items: flex-start;
  }
  .source-systems .icon {
    margin-top: 3px;
    width: 21px;
    height: 21px;
  }
  .context-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 21px 0;
  }
  .context-link svg {
    width: 35px;
    height: 24px;
    transform: rotate(90deg);
  }
  .context-link span {
    position: static;
    transform: none;
    font-size: 10px;
  }
  .context-hub {
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    padding: 20px 25px 0;
  }
  .context-hub-heading {
    flex-direction: row;
    align-items: center;
    gap: 15px;
  }
  .context-hub-heading > span:last-child {
    font-size: 12px;
  }
  .context-entry,
  .context-policy {
    font-size: 12px;
  }
  .ontology-heading h3 {
    font-size: 17px;
  }
  .ontology-heading > span,
  .ontology-layer > p {
    font-size: 12px;
  }
  .connected-agent {
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
  }
  .source-systems h3,
  .connected-agent h3 {
    font-size: 20px;
  }
  .agent-preparation {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .agent-preparation li {
    padding: 0;
  }
  .human-gate {
    max-width: 380px;
    margin: 0 auto;
    padding: 17px 20px;
  }
  .human-gate strong {
    font-size: 16px;
  }
  .human-gate p {
    font-size: 12px;
  }
  .connected-execution strong {
    font-size: 12px;
  }
  .connection-principles {
    gap: 24px;
  }
  .connection-principles p {
    font-size: 12px;
  }
}
@media (max-width: 639px) {
  .integration-design-note {
    font-size: 9px;
    margin-bottom: 27px;
  }
  .source-systems ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
  }
  .source-systems li {
    padding-block: 16px;
  }
  .source-systems h3,
  .connected-agent h3 {
    font-size: 19px;
  }
  .source-systems strong {
    font-size: 12px;
  }
  .source-systems li span {
    font-size: 10px;
  }
  .context-hub {
    padding: 17px 16px 0;
  }
  .context-hub-heading {
    gap: 12px;
  }
  .context-hub-heading .wordmark {
    font-size: 34px;
  }
  .context-hub-heading > span:last-child {
    font-size: 10px;
  }
  .context-entry,
  .context-policy {
    font-size: 10px;
    gap: 7px;
  }
  .ontology-heading h3 {
    font-size: 15px;
  }
  .ontology-heading > span {
    font-size: 10px;
  }
  .ontology-layer > p {
    font-size: 11px;
  }
  .context-link {
    padding-block: 24px;
  }
  .agent-preparation {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    margin-top: 24px;
  }
  .agent-preparation li {
    gap: 15px;
  }
  .agent-preparation strong {
    font-size: 14px;
  }
  .agent-preparation p {
    font-size: 12px;
  }
  .human-gate {
    padding: 18px;
  }
  .human-gate p {
    font-size: 11px;
  }
  .systems-figure figcaption {
    font-size: 10px;
  }
  .connection-principles {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  .connection-principles h3 {
    font-size: 21px;
    margin-top: 10px;
    margin-bottom: 10px;
  }
  .connection-principles p {
    font-size: 13px;
  }
}
/* Two agent entry points share one business context and user execution gate. */
.ai-environments {
  margin-top: 80px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
  word-break: keep-all;
}
.ai-environments-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 35px;
}
.ai-environments-heading .mini-label,
.agent-models-intro .mini-label {
  font-size: 9px;
  color: var(--accent);
  margin-bottom: 15px;
}
.ai-environments-heading h3 {
  font: 600 37px/1.3 var(--kr);
  letter-spacing: -0.055em;
}
.ai-environments-heading > p {
  font: 400 14px/1.9 var(--kr);
  letter-spacing: -0.025em;
  color: var(--muted);
  padding-bottom: 3px;
}
.agent-access-map {
  border-block: 1px solid var(--ink);
  padding: 19px 0;
}
.agent-access-map > figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font: 500 9px/1.6 var(--font);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.agent-access-map > figcaption > span:last-child {
  font-family: var(--kr);
  letter-spacing: 0;
}
.agent-access-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 116px minmax(0, 1fr);
  grid-template-areas: "personal link-personal workplace" "builtin link-builtin workplace";
  align-items: center;
  row-gap: 31px;
  margin: 33px 0 26px;
}
.agent-entry {
  min-width: 0;
  padding-right: 20px;
}
.agent-personal {
  grid-area: personal;
}
.agent-builtin {
  grid-area: builtin;
  padding-top: 27px;
  border-top: 1px solid var(--line);
}
.agent-entry-label {
  display: block;
  color: var(--muted);
  font: 450 10px/1.6 var(--kr);
  margin-bottom: 12px;
}
.agent-entry h4 {
  font: 600 24px/1.4 var(--kr);
  letter-spacing: -0.045em;
  margin: 0 0 12px;
}
.agent-entry > p {
  font: 400 13px/1.85 var(--kr);
  color: var(--muted);
  letter-spacing: -0.02em;
  max-width: 350px;
}
.agent-entry > .agent-tool-names {
  font: 500 12px/1.9 var(--font);
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 13px;
}
.agent-model-branch {
  position: relative;
  border-left: 1px solid var(--line);
  margin: 18px 0 0 5px;
  padding: 4px 0 0 16px;
}
.agent-model-branch::before {
  content: "";
  position: absolute;
  width: 9px;
  height: 1px;
  top: 15px;
  left: 0;
  background: var(--line);
}
.agent-model-branch > span {
  font: 400 10px/1.6 var(--kr);
  color: var(--muted);
}
.agent-model-branch p {
  font: 500 11px/1.8 var(--kr);
  margin-top: 5px;
}
.agent-model-branch i {
  font-style: normal;
  color: var(--line);
  padding-inline: 5px;
}
.agent-bridge {
  padding-inline: 8px 16px;
  text-align: center;
  color: var(--muted);
}
.agent-bridge-personal {
  grid-area: link-personal;
}
.agent-bridge-builtin {
  grid-area: link-builtin;
}
.agent-bridge > span,
.agent-bridge > small {
  display: block;
  font: 450 9px/1.7 var(--kr);
}
.agent-bridge svg {
  width: 100%;
  margin-block: 10px;
  stroke-width: 1;
}
.agent-bridge > small {
  font-size: 8px;
}
.agent-workplace {
  grid-area: workplace;
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--ink);
  border-radius: 7px;
}
.agent-workplace-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 23px;
  border-bottom: 1px solid var(--ink);
}
.agent-workplace-heading .wordmark {
  font-size: 49px;
  letter-spacing: -3.5px;
}
.agent-workplace-heading h4 {
  font: 550 15px/1.5 var(--kr);
  letter-spacing: -0.035em;
  margin: 0;
}
.agent-workplace-layers {
  margin: 0;
}
.agent-workplace-layers > div {
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}
.agent-workplace-layers dt {
  font: 550 14px/1.5 var(--kr);
  letter-spacing: -0.025em;
}
.agent-workplace-layers dd {
  font: 400 11px/1.7 var(--kr);
  color: var(--muted);
  margin: 6px 0 0;
}
.agent-action-gate {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--accent);
  margin-top: 23px;
}
.agent-action-gate .icon {
  width: 17px;
  height: 17px;
  margin-top: 2px;
}
.agent-action-gate strong {
  font: 550 13px/1.6 var(--kr);
}
.agent-action-gate p {
  font: 400 11px/1.8 var(--kr);
  color: var(--muted);
  margin-top: 6px;
}
.agent-access-note {
  font: 400 10px/1.8 var(--kr);
  color: var(--muted);
}
.agent-models {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 60px;
  margin-top: 42px;
}
.agent-models-intro h4 {
  font: 550 24px/1.4 var(--kr);
  letter-spacing: -0.045em;
  margin: 0 0 15px;
}
.agent-models-intro p {
  font: 400 12px/1.8 var(--kr);
  letter-spacing: -0.02em;
  color: var(--muted);
}
.agent-model-options {
  margin: 0;
  border-top: 1px solid var(--line);
}
.agent-model-options > div {
  display: grid;
  grid-template-columns: 154px minmax(0, 1fr);
  align-items: baseline;
  gap: 22px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}
.agent-model-options dt {
  font: 550 14px/1.6 var(--kr);
  letter-spacing: -0.025em;
}
.agent-model-options dt span {
  font: 500 9px/1 var(--font);
  color: var(--accent);
  margin-right: 15px;
}
.agent-model-options dd {
  font: 400 12px/1.8 var(--kr);
  color: var(--muted);
  margin: 0;
}
.agent-data-policy {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 27px;
  font: 400 11px/1.85 var(--kr);
  color: var(--muted);
}
.agent-data-policy .icon {
  width: 13px;
  height: 13px;
  margin-top: 3px;
}
@media (max-width: 1100px) {
  .agent-access-grid {
    grid-template-columns: minmax(0, 1fr) 95px minmax(0, 1fr);
  }
  .agent-workplace {
    padding: 20px;
  }
  .agent-models {
    gap: 35px;
  }
  .agent-model-options > div {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 15px;
  }
}
@media (max-width: 899px) {
  .ai-environments-heading {
    align-items: flex-start;
  }
  .ai-environments-heading h3 {
    font-size: 30px;
  }
  .ai-environments-heading > p {
    max-width: 280px;
    font-size: 13px;
  }
  .agent-entry h4 {
    font-size: 21px;
  }
  .agent-entry {
    padding-right: 5px;
  }
  .agent-access-grid {
    grid-template-columns: minmax(0, 1fr) 84px minmax(0, 1fr);
  }
  .agent-bridge {
    padding-inline: 7px;
  }
  .agent-bridge > span {
    font-size: 8px;
  }
  .agent-models {
    grid-template-columns: 1fr 1.4fr;
  }
  .agent-model-options > div {
    grid-template-columns: 1fr;
    gap: 6px;
    padding-block: 15px;
  }
  .agent-model-options dd {
    padding-left: 26px;
  }
}
@media (max-width: 639px) {
  .ai-environments {
    margin-top: 55px;
    padding-top: 30px;
  }
  .ai-environments-heading {
    display: block;
    margin-bottom: 27px;
  }
  .ai-environments-heading h3 {
    font-size: 31px;
  }
  .ai-environments-heading > p {
    margin-top: 20px;
    max-width: 330px;
  }
  .agent-access-map > figcaption {
    flex-direction: column;
    gap: 5px;
  }
  .agent-access-grid {
    position: relative;
    grid-template-columns: minmax(0, 1fr) 32px;
    grid-template-areas: "personal link-personal" "builtin link-builtin" "workplace workplace";
    row-gap: 30px;
    margin-block: 27px 20px;
  }
  .agent-access-grid::before {
    content: "";
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: stretch;
    justify-self: center;
    border-right: 1px solid var(--line);
    margin-top: 35px;
    margin-bottom: -30px;
  }
  .agent-entry {
    padding-right: 12px;
  }
  .agent-entry h4 {
    font-size: 22px;
  }
  .agent-entry > .agent-tool-names {
    font-size: 11px;
  }
  .agent-entry > p {
    font-size: 13px;
  }
  .agent-bridge {
    align-self: start;
    padding: 0;
    padding-top: 27px;
    position: relative;
  }
  .agent-bridge svg {
    width: 17px;
    height: 16px;
    margin: 0;
  }
  .agent-bridge svg path {
    vector-effect: non-scaling-stroke;
  }
  .agent-bridge > span {
    position: absolute;
    right: 42px;
    top: 2px;
    white-space: nowrap;
    font-size: 8px;
  }
  .agent-bridge > small {
    display: none;
  }
  .agent-bridge-builtin {
    padding-top: 54px;
  }
  .agent-bridge-builtin > span {
    top: 29px;
  }
  .agent-workplace {
    position: relative;
    padding: 20px;
  }
  .agent-workplace::before {
    content: "";
    position: absolute;
    right: 11px;
    top: -8px;
    width: 7px;
    height: 7px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    transform: rotate(45deg);
  }
  .agent-workplace-heading .wordmark {
    font-size: 43px;
  }
  .agent-workplace-layers > div {
    padding-block: 17px;
  }
  .agent-access-note {
    font-size: 10px;
  }
  .agent-models {
    grid-template-columns: 1fr;
    gap: 23px;
    margin-top: 31px;
  }
  .agent-models-intro h4 {
    font-size: 24px;
  }
  .agent-model-options > div {
    gap: 8px;
    padding-block: 17px;
  }
  .agent-data-policy {
    margin-top: 21px;
  }
}
/* Each chapter is a separate sheet; its content keeps the natural reading order. */
main {
  background: #e7e5dc;
}
.hero,
.section-pad:not(.foundation),
.closing {
  background: var(--paper);
}
.section-pad,
.closing {
  margin-top: clamp(28px, 4.2vw, 64px);
}
.section-scene {
  padding-top: clamp(28px, 4.2vw, 64px);
  display: flow-root;
  overflow: clip;
}
.section-scene > .scene-panel {
  margin-top: 0;
}
.chapter-intro,
.chapter-cover,
.chapter-content {
  display: contents;
}
@media screen and (min-width: 1000px) and (min-height: 800px) {
  .scroll-enhanced .section-scene:has(.chapter-panel) {
    overflow: visible;
  }
  .scroll-enhanced .scene-panel.chapter-panel {
    --chapter-gutter: 74px;
    --chapter-paper: var(--paper);
    --chapter-inset: clamp(28px, 3.5svh, 42px);
    --chapter-travel: 50svh;
    --chapter-shift: 25svh;
    --chapter-collapse: 0;
    position: relative;
    isolation: isolate;
    padding-top: 0;
    transform: none;
    clip-path: none;
  }
  .scroll-enhanced .chapter-panel.foundation {
    --chapter-paper: #f0efe9;
  }
  .scroll-enhanced .chapter-intro {
    display: flow-root;
    position: relative;
  }
  .scroll-enhanced .chapter-intro::after {
    /* Pin only until the body reaches the compact heading, then release both. */
    content: "";
    display: block;
    height: var(--chapter-travel);
  }
  .scroll-enhanced .chapter-cover {
    position: sticky;
    top: 0;
    z-index: 0;
    height: 100svh;
    margin-inline: calc(var(--chapter-gutter) * -1);
    padding: var(--chapter-inset) var(--chapter-gutter);
    display: flow-root;
    background: var(--chapter-paper);
  }
  .scroll-enhanced .chapter-cover > .section-label {
    margin: 0 0 var(--chapter-inset);
  }
  .scroll-enhanced .chapter-heading {
    width: 100%;
    margin: 0;
    align-items: center;
    position: relative;
    z-index: 1;
    transform: translateY(
      calc((1 - var(--chapter-collapse)) * var(--chapter-shift))
    );
  }
  .scroll-enhanced .chapter-heading h2 {
    font-size: clamp(42px, 4.2vw, 68px);
    line-height: 1.35;
  }
  .scroll-enhanced .chapter-content {
    position: relative;
    z-index: 1;
    display: flow-root;
    margin-top: calc(var(--chapter-travel) * -1);
    margin-inline: calc(var(--chapter-gutter) * -1);
    padding: var(--chapter-inset) var(--chapter-gutter) 0;
    background: var(--chapter-paper);
    border-top: 1px solid var(--ink);
  }
  .scroll-enhanced .chapter-content > .workbook:first-child {
    margin-top: 0;
  }
}
@media screen and (min-width: 1000px) and (max-width: 1150px) and (min-height: 800px) {
  .scroll-enhanced .scene-panel.chapter-panel {
    --chapter-gutter: 48px;
  }
}
.closing-contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  margin-top: 30px;
}
.closing-contact > span {
  color: var(--muted);
  font: 450 11px/1.5 var(--kr);
}
.closing-contact a {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 5px 0 10px;
  border-bottom: 1px solid var(--ink);
  font: 500 clamp(18px, 2vw, 24px) / 1.5 var(--font);
  letter-spacing: -0.04em;
}
.closing-contact .icon {
  width: 19px;
  height: 19px;
  transform: rotate(-45deg);
  transition: transform 180ms ease;
}
.closing-contact a:hover {
  color: var(--accent);
}
.closing-contact a:hover .icon {
  transform: translate(2px, -2px) rotate(-45deg);
}
.back-to-top {
  position: fixed;
  z-index: 30;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 3px 15px #24241f0d;
  transition:
    opacity 180ms ease,
    transform 250ms ease,
    visibility 180ms,
    background 180ms ease,
    color 180ms ease;
}
.back-to-top > .icon {
  width: 20px;
  height: 20px;
  transform: rotate(-90deg);
}
.back-to-top > span {
  font: 600 8px/1.2 var(--font);
  letter-spacing: 0.08em;
}
.top-progress {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  pointer-events: none;
}
.top-progress circle {
  stroke-dasharray: 1;
  stroke-dashoffset: calc(1 - var(--reading-progress, 0));
}
.scroll-controls .back-to-top:not([data-visible="true"]) {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
}
.back-to-top:hover {
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-3px);
}
@media screen {
  .scroll-enhanced .scene-panel {
    --section-enter: 1;
    --content-enter: 1;
    transform: translateY(calc((1 - var(--section-enter)) * 24px));
  }
  /* The paper edge arrives first; the type follows by a small distance. */
  .scroll-enhanced .scene-panel > :is(.idea-layout, .section-heading, .ownership-layout),
  .scroll-enhanced .closing > :is(h2, p, .closing-address) {
    transform: translateY(calc((1 - var(--content-enter)) * 18px));
  }
  .scroll-enhanced #shared-foundation .scene-panel {
    transform: none;
  }
  .scroll-enhanced .scene-panel:focus-within,
  .scroll-enhanced .scene-panel:has(:target) {
    transform: none;
  }
  .scroll-enhanced .scene-panel:focus-within > *,
  .scroll-enhanced .scene-panel:has(:target) > * {
    transform: none;
  }
}
@media screen and (max-width: 639px) {
  .scroll-enhanced .scene-panel {
    transform: translateY(calc((1 - var(--section-enter)) * 12px));
  }
  .scroll-enhanced .scene-panel > :is(.idea-layout, .section-heading, .ownership-layout),
  .scroll-enhanced .closing > :is(h2, p, .closing-address) {
    transform: translateY(calc((1 - var(--content-enter)) * 10px));
  }
  .back-to-top {
    right: max(15px, env(safe-area-inset-right));
    bottom: max(15px, env(safe-area-inset-bottom));
    width: 48px;
    height: 48px;
  }
  .site-footer {
    padding-right: 64px;
  }
}

/* Scroll choreography — native scrolling, with a static reading fallback. */
.reading-progress {
  display: none;
}
.motion-title-line {
  display: block;
  overflow: clip;
  padding-block: 0.06em;
  margin-block: -0.06em;
}
.motion-title-inner {
  display: block;
  transform-origin: left bottom;
}
@media screen {
  .scroll-enhanced .page-frame {
    overflow: clip;
  }
  .scroll-enhanced .reading-progress {
    display: block;
    position: fixed;
    inset: 0 0 auto;
    z-index: 40;
    height: 2px;
    pointer-events: none;
  }
  .reading-progress span {
    display: block;
    height: 100%;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
  }
  .scroll-enhanced .hero h1 {
    transform: translateY(calc(var(--hero-progress, 0) * -20px));
  }
  .scroll-enhanced .hero-subtitle {
    transform: translateY(calc(var(--hero-progress, 0) * -10px));
  }
  .scroll-enhanced .hero-description {
    transform: translateY(calc(var(--hero-progress, 0) * -6px));
  }
  .scroll-enhanced .workplace-scene {
    transform: translateY(calc(var(--hero-progress, 0) * -16px))
      scale(calc(1 + var(--hero-progress, 0) * 0.025));
    transform-origin: center bottom;
  }
  .scroll-enhanced .ghost-left {
    transform: translateX(calc(var(--hero-progress, 0) * -18px)) rotate(-9deg);
  }
  .scroll-enhanced .ghost-right {
    transform: translateX(calc(var(--hero-progress, 0) * 18px)) rotate(8deg);
  }
  .scroll-enhanced .operations-loop li::before,
  .scroll-enhanced .security-flow li::before {
    content: "";
    position: absolute;
    top: -12px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(var(--step-progress, 0));
    transform-origin: left;
  }
  .scroll-enhanced .context-link path,
  .scroll-enhanced .ontology-relations path,
  .scroll-enhanced .agent-bridge path {
    stroke-dasharray: 1;
    stroke-dashoffset: calc(1 - var(--link-progress, 0));
  }
}
@media screen and (max-width: 639px) {
  .scroll-enhanced .hero h1 {
    transform: translateY(calc(var(--hero-progress, 0) * -12px));
  }
  .scroll-enhanced .workplace-scene {
    transform: translateY(calc(var(--hero-progress, 0) * -8px))
      scale(calc(1 + var(--hero-progress, 0) * 0.015));
  }
}

/* Language links share the poster's quiet, printed navigation. */
.language-switch {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 4px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}
.language-switch a {
  display: grid;
  place-items: center;
  min-width: 34px;
  min-height: 40px;
  padding: 0 5px;
  font: 600 11px/1.2 var(--font);
  color: var(--muted);
  position: relative;
  white-space: nowrap;
}
.language-switch a::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 180ms ease;
}
.language-switch a[aria-current="page"] {
  color: var(--ink);
}
.language-switch a[aria-current="page"]::after,
.language-switch a:hover::after {
  transform: scaleX(1);
}
.desktop-nav {
  margin-right: 8px;
  gap: clamp(16px, 2vw, 32px);
}
html:lang(en) {
  --kr: Manrope, sans-serif;
}
html:lang(ja) {
  --kr: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font: Manrope, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}
html:lang(ja) body * {
  word-break: normal;
  line-break: strict;
}
html:lang(en) :is(h2, h3, h4) {
  letter-spacing: -0.045em;
}
html:not(:lang(ko)) .boundary-label {
  flex-wrap: wrap;
}
html:not(:lang(ko)) .boundary-note {
  margin-left: auto;
}
html:lang(en) .section-heading h2,
html:lang(en) .idea-layout h2 {
  font-size: clamp(30px, 3.4vw, 55px);
}
@media (max-width: 1250px) {
  .site-header > .header-status {
    display: none;
  }
}
@media (max-width: 899px) and (min-width: 640px) {
  .site-header {
    gap: 14px;
    flex-wrap: wrap;
    height: auto;
    min-height: 100px;
    padding-block: 16px;
  }
  .site-header .brand { order: 0; }
  .site-header .language-switch { order: 1; margin-left: auto; }
  .site-header .desktop-nav {
    order: 2;
    width: 100%;
    justify-content: space-between;
    margin: 0;
    gap: 10px;
  }
}
@media (max-width: 639px) {
  .language-switch {
    margin-left: auto;
    padding-left: 8px;
    gap: 0;
  }
  .site-header { gap: 8px; }
  .brand-logo,
  .footer-brand .brand-logo { width: 88px; }
  .menu-toggle { margin-left: 0; flex-shrink: 0; }
  html:lang(en) .section-heading h2,
  html:lang(en) .idea-layout h2 {
    font-size: clamp(28px, 7.5vw, 42px);
  }
  html:not(:lang(ko)) .recovery-step .loop-index {
    white-space: normal;
    line-height: 1.4;
  }
  html:lang(en) .rejected-request {
    hyphens: auto;
    overflow-wrap: anywhere;
  }
}
@media print {
  .language-switch { display: none; }
}
@media (max-width: 359px) {
  .site-header { margin-inline: 14px; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  [data-reveal],
  .workpiece {
    opacity: 1 !important;
    transform: none !important;
  }
  .workplace-horizon path {
    opacity: 1 !important;
    stroke-dasharray: none !important;
    stroke-dashoffset: 0 !important;
  }
}
@media print {
  main {
    background: white;
  }
  .section-scene {
    padding-top: 0;
    overflow: visible;
  }
  .section-pad,
  .closing {
    margin-top: 0;
  }
  body {
    background: white;
  }
  .page-frame {
    border: 0;
    margin: 0;
  }
  .back-to-top,
  .site-header,
  .mobile-menu,
  .hero-link,
  .closing-address,
  .workflow-tabs,
  .case-tabs,
  .environment-picker {
    display: none;
  }
  .section-pad {
    break-inside: avoid;
  }
  .workflow-panel[hidden] {
    display: grid !important;
  }
  .case-panel[hidden] {
    display: grid !important;
  }
  .case-panel {
    break-inside: avoid;
    border-bottom: 1px solid var(--line);
  }
  .workflow-panel {
    break-inside: avoid;
    margin-bottom: 35px;
  }
  .developer-notes-body {
    display: block !important;
  }
  .hero h1 {
    font-size: 90px;
  }
  .page-frame {
    overflow: visible;
  }
  [data-reveal],
  .workpiece {
    opacity: 1 !important;
    transform: none !important;
  }
  .workplace-horizon path {
    opacity: 1 !important;
    stroke-dasharray: none !important;
    stroke-dashoffset: 0 !important;
  }
}