:root {
  --paper: #f3f5f1;
  --surface: #ffffff;
  --surface-soft: #e7ece8;
  --ink: #14231f;
  --ink-soft: #30433d;
  --muted: #53635e;
  --line: #cdd5d0;
  --line-strong: #9eaaa5;
  --grid-green: #006b5a;
  --green-deep: #063f36;
  --green-bright: #50d2b5;
  --signal-orange: #a63a12;
  --signal-yellow: #f0d84b;
  --danger: #b73b32;
  --font-display: "STZhongsong", "FZShuSong-Z01", "Noto Serif SC", "Songti SC", serif;
  --font-body: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --font-mono: "Cascadia Mono", "IBM Plex Mono", Consolas, monospace;
  --shadow-small: 0 8px 30px rgb(20 35 31 / 8%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

h1,
h2,
h3,
p,
dl,
dd,
figure,
ol {
  margin-top: 0;
}

h1,
h2,
h3,
strong {
  letter-spacing: 0;
}

h1,
h2 {
  font-family: var(--font-display);
  font-weight: 700;
}

p:last-child {
  margin-bottom: 0;
}

.nowrap {
  white-space: nowrap;
}

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

::selection {
  background: var(--signal-yellow);
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--signal-orange);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  width: min(1200px, calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgb(243 245 241 / 94%);
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 76px;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

.brand-code,
.section-index,
.result-date,
.market-name,
.article-number {
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.brand-code {
  color: var(--grid-green);
  font-size: 12px;
  font-weight: 700;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  font-size: 14px;
}

.site-nav a {
  position: relative;
  padding: 26px 0 22px;
  color: var(--ink-soft);
  white-space: nowrap;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--grid-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-contact {
  padding: 9px 14px;
  border: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: background 160ms ease, color 160ms ease;
}

.header-contact:hover {
  background: var(--ink);
  color: #fff;
}

.hero {
  min-height: calc(100svh - 150px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.65fr);
  align-items: center;
  gap: 96px;
  padding-block: 72px 88px;
}

.section-index {
  margin-bottom: 24px;
  color: var(--grid-green);
  font-size: 12px;
  font-weight: 700;
}

.hero h1 {
  margin-bottom: 2px;
  font-size: 88px;
  line-height: 1.05;
}

.hero-role {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
}

.hero-focus {
  margin: 8px 0 28px;
  color: var(--signal-orange);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-summary {
  max-width: 670px;
  margin-bottom: 36px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: #fff;
}

.button-primary:hover {
  background: var(--grid-green);
}

.button-light {
  border-color: #fff;
  color: #fff;
}

.button-light:hover {
  background: #fff;
  color: var(--ink);
}

.text-link,
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line-strong);
  font-size: 14px;
  font-weight: 700;
}

.text-link span,
.section-link span {
  color: var(--signal-orange);
  transition: transform 160ms ease;
}

.text-link:hover span,
.section-link:hover span {
  transform: translateX(4px);
}

.hero-brief {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  box-shadow: var(--shadow-small);
}

.hero-brief::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 78px;
  height: 6px;
  background: var(--signal-orange);
}

.brief-heading,
.brief-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.brief-heading {
  margin-bottom: 48px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
}

.status-dot {
  color: var(--grid-green);
}

.status-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--green-bright);
  box-shadow: 0 0 0 4px rgb(80 210 181 / 18%);
}

.brief-kicker {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.brief-number {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
}

.brief-number span {
  margin-left: 6px;
  color: var(--grid-green);
  font-family: var(--font-mono);
  font-size: 16px;
}

.brief-label {
  margin-bottom: 38px;
  color: var(--muted);
}

.brief-row {
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.brief-row span {
  color: var(--muted);
}

.brief-row strong {
  text-align: right;
}

.metrics-band {
  background: var(--green-deep);
  color: #fff;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric {
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  border-left: 1px solid rgb(255 255 255 / 18%);
}

.metric:last-child {
  border-right: 1px solid rgb(255 255 255 / 18%);
}

.metric strong {
  margin-bottom: 8px;
  color: var(--signal-yellow);
  font-family: var(--font-display);
  font-size: 28px;
}

.metric span {
  color: rgb(255 255 255 / 72%);
  font-size: 13px;
}

.feature-section,
.writing-preview,
.ownership-section,
.platform-evidence,
.profile-section,
.capabilities-section,
.contact-section,
.articles-section {
  padding-block: 112px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-heading h2 {
  margin-bottom: 18px;
  font-size: 48px;
  line-height: 1.28;
}

.section-heading > p:last-child,
.row-heading > p {
  color: var(--muted);
  font-size: 16px;
}

.row-heading {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 72px;
}

.row-heading > div {
  max-width: 720px;
}

.row-heading > p,
.row-heading > a {
  max-width: 400px;
  margin-bottom: 10px;
}

.result-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.65fr) minmax(0, 1.35fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.result-primary {
  padding: 42px 42px 42px 0;
  border-right: 1px solid var(--line-strong);
}

.result-date {
  display: block;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 12px;
}

.result-primary > strong {
  display: block;
  margin-bottom: 16px;
  color: var(--grid-green);
  font-family: var(--font-display);
  font-size: 68px;
  line-height: 1;
}

.result-primary small {
  margin-left: 7px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
}

.result-primary p {
  max-width: 300px;
  color: var(--muted);
  font-size: 14px;
}

.comparison-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.comparison-rail > div {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 34px;
  border-right: 1px solid var(--line);
}

.comparison-rail > div:last-child {
  border-right: 0;
}

.comparison-rail span {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.comparison-rail strong {
  font-family: var(--font-display);
  font-size: 25px;
}

.comparison-rail .comparison-emphasis {
  background: var(--signal-yellow);
}

.comparison-rail .comparison-emphasis span {
  color: var(--ink-soft);
}

.comparison-rail .comparison-emphasis strong {
  font-size: 32px;
}

.method-note,
.source-note {
  margin: 22px 0 28px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.platform-preview,
.workflow-section,
.impact-section,
.career-section,
.education-section,
.site-footer {
  background: var(--ink);
  color: #fff;
}

.platform-preview {
  padding-block: 104px;
  overflow: hidden;
}

.platform-preview-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: 72px;
}

.inverse .section-index {
  color: var(--green-bright);
}

.inverse h2 {
  color: #fff;
}

.inverse > p:last-of-type {
  color: rgb(255 255 255 / 68%);
}

.inline-facts {
  margin: 38px 0;
  border-top: 1px solid rgb(255 255 255 / 22%);
}

.inline-facts > div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0;
  border-bottom: 1px solid rgb(255 255 255 / 16%);
  font-size: 13px;
}

.inline-facts dt {
  color: rgb(255 255 255 / 52%);
}

.inline-facts dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}

.preview-frame {
  margin: 0;
}

.preview-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid rgb(255 255 255 / 24%);
  object-fit: cover;
  object-position: top left;
}

.preview-frame figcaption {
  margin-top: 12px;
  color: rgb(255 255 255 / 56%);
  font-family: var(--font-mono);
  font-size: 11px;
}

.writing-preview {
  background: var(--paper);
}

.article-list {
  border-top: 1px solid var(--ink);
}

.article-list > a {
  display: grid;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--line-strong);
  transition: background 160ms ease, padding 160ms ease;
}

.compact-list > a {
  grid-template-columns: 130px 1fr auto;
  padding: 24px 0;
}

.article-list > a:hover {
  padding-inline: 14px;
  background: var(--surface);
}

.article-tag {
  color: var(--grid-green);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.article-list strong {
  font-family: var(--font-display);
  font-size: 18px;
}

.site-footer {
  padding-block: 56px;
  border-top: 1px solid rgb(255 255 255 / 12%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 72px;
}

.site-footer .brand-code {
  color: var(--green-bright);
}

.site-footer p {
  margin: 10px 0 0;
  color: rgb(255 255 255 / 52%);
  font-size: 12px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 5px 24px;
  color: rgb(255 255 255 / 66%);
  font-size: 12px;
}

.footer-links a:hover,
.footer-contact:hover {
  color: var(--green-bright);
}

.footer-contact {
  border-bottom: 1px solid rgb(255 255 255 / 34%);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Shared interior pages */
.page-hero {
  min-height: 570px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 96px 84px;
}

.page-hero h1 {
  max-width: 920px;
  margin-bottom: 28px;
  font-size: 76px;
  line-height: 1.15;
}

.page-intro {
  max-width: 720px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.9;
}

.scope-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.scope-line span {
  padding: 5px 11px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
}

.case-study {
  padding-block: 96px 120px;
  border-top: 1px solid var(--ink);
}

.case-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 48px;
}

.case-header h2 {
  margin-bottom: 0;
  font-size: 52px;
}

.case-header > p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.case-context {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.case-context > div {
  min-height: 130px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.case-context > div:first-child {
  padding-left: 0;
}

.case-context > div:last-child {
  border-right: 0;
}

.case-context span,
.platform-status span,
.profile-meta dt,
.credentials span {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 11px;
}

.case-context strong {
  font-family: var(--font-display);
  font-size: 20px;
}

.case-narrative {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: 96px;
  padding-block: 84px;
}

.narrative-copy h3 {
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-size: 30px;
}

.narrative-copy p {
  color: var(--ink-soft);
}

.process-list {
  margin-bottom: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.process-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.process-list li > span {
  color: var(--signal-orange);
  font-family: var(--font-mono);
  font-size: 12px;
}

.process-list strong {
  display: block;
  margin-bottom: 4px;
}

.process-list p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.evidence-block {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  background: var(--green-deep);
  color: #fff;
}

.evidence-lead {
  padding: 48px;
  border-right: 1px solid rgb(255 255 255 / 18%);
}

.evidence-lead > span {
  color: var(--green-bright);
  font-family: var(--font-mono);
  font-size: 11px;
}

.evidence-lead > strong {
  display: block;
  margin: 18px 0 12px;
  color: var(--signal-yellow);
  font-family: var(--font-display);
  font-size: 46px;
}

.evidence-lead p {
  color: rgb(255 255 255 / 64%);
  font-size: 13px;
}

.evidence-comparison {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.evidence-comparison > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px;
  border-right: 1px solid rgb(255 255 255 / 16%);
}

.evidence-comparison > div:last-child {
  border-right: 0;
  background: var(--signal-yellow);
  color: var(--ink);
}

.evidence-comparison span {
  margin-bottom: 10px;
  color: rgb(255 255 255 / 54%);
  font-size: 11px;
}

.evidence-comparison > div:last-child span {
  color: var(--ink-soft);
}

.evidence-comparison strong {
  font-family: var(--font-display);
  font-size: 24px;
}

.capture-results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--ink);
}

.capture-results > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px;
  border-right: 1px solid var(--line-strong);
}

.capture-results > div:last-child {
  border-right: 0;
}

.capture-results span {
  color: var(--muted);
  font-size: 12px;
}

.capture-results strong {
  color: var(--grid-green);
  font-family: var(--font-display);
  font-size: 28px;
  white-space: nowrap;
}

.market-section {
  padding-block: 112px;
  background: var(--surface-soft);
}

.market-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.market-cases article {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--paper);
}

.market-name {
  color: var(--grid-green);
  font-size: 11px;
  font-weight: 700;
}

.market-cases h3 {
  margin: 22px 0 16px;
  font-family: var(--font-display);
  font-size: 24px;
}

.market-cases article > p {
  color: var(--muted);
  font-size: 13px;
}

.market-cases dl {
  margin-top: auto;
  margin-bottom: 0;
}

.market-cases dl > div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.market-cases dt {
  color: var(--muted);
  font-size: 11px;
}

.market-cases dd {
  margin: 0;
  color: var(--grid-green);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  text-align: right;
}

.research-scope {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 40px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.research-scope span {
  color: var(--grid-green);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.research-scope p {
  max-width: 760px;
  color: var(--ink-soft);
}

/* Platform */
.platform-status {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(820px, 100%);
  margin-top: 18px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.platform-status > div {
  display: flex;
  flex-direction: column;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
}

.platform-status > div:first-child {
  padding-left: 0;
}

.platform-status > div:last-child {
  border-right: 0;
}

.platform-status strong {
  font-family: var(--font-display);
  font-size: 18px;
}

.ownership-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.ownership-grid > div {
  min-height: 270px;
  padding: 28px;
  border-right: 1px solid var(--line-strong);
}

.ownership-grid > div:first-child {
  padding-left: 0;
}

.ownership-grid > div:last-child {
  border-right: 0;
}

.ownership-grid span,
.workflow-list > li > span,
.capability-grid > div > span {
  color: var(--signal-orange);
  font-family: var(--font-mono);
  font-size: 11px;
}

.ownership-grid strong {
  display: block;
  margin: 64px 0 12px;
  font-family: var(--font-display);
  font-size: 22px;
}

.ownership-grid p {
  color: var(--muted);
  font-size: 13px;
}

.tech-line {
  margin-top: 24px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.workflow-section {
  padding-block: 104px;
}

.workflow-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-bottom: 0;
  padding: 0;
  border-top: 1px solid rgb(255 255 255 / 28%);
  border-bottom: 1px solid rgb(255 255 255 / 28%);
  list-style: none;
}

.workflow-list li {
  min-height: 240px;
  padding: 22px;
  border-right: 1px solid rgb(255 255 255 / 18%);
}

.workflow-list li:first-child {
  padding-left: 0;
}

.workflow-list li:last-child {
  border-right: 0;
}

.workflow-list strong {
  display: block;
  margin: 66px 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
}

.workflow-list p {
  color: rgb(255 255 255 / 56%);
  font-size: 12px;
  line-height: 1.6;
}

.platform-evidence {
  padding-bottom: 128px;
}

.evidence-figure {
  margin: 0 0 60px;
}

.evidence-figure img {
  width: 100%;
  aspect-ratio: 3840 / 2222;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  object-fit: cover;
  object-position: top left;
}

.evidence-figure figcaption {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-strong);
}

.evidence-figure figcaption span {
  color: var(--grid-green);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.evidence-figure figcaption strong {
  font-family: var(--font-display);
  font-size: 17px;
}

.evidence-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.impact-section {
  padding-block: 108px;
}

.impact-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgb(255 255 255 / 28%);
  border-bottom: 1px solid rgb(255 255 255 / 28%);
}

.impact-list > div {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  border-right: 1px solid rgb(255 255 255 / 18%);
}

.impact-list > div:first-child {
  padding-left: 0;
}

.impact-list > div:last-child {
  border-right: 0;
}

.impact-list strong {
  margin-bottom: 10px;
  color: var(--signal-yellow);
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.35;
}

.impact-list span {
  color: rgb(255 255 255 / 58%);
  font-size: 12px;
}

.impact-summary {
  max-width: 820px;
  margin: 36px 0 0 auto;
  color: rgb(255 255 255 / 72%);
  font-family: var(--font-display);
  font-size: 22px;
  text-align: right;
}

/* Writing */
.writing-hero {
  border-bottom: 1px solid var(--ink);
}

.publication-group + .publication-group {
  margin-top: 96px;
}

.publication-header {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(320px, 1.3fr);
  align-items: end;
  gap: 72px;
  margin-bottom: 28px;
}

.publication-header h2 {
  margin: 8px 0 0;
  font-size: 38px;
  line-height: 1.25;
}

.publication-header > p {
  max-width: 620px;
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 15px;
}

.personal-publication .article-list {
  border-top: 2px solid var(--signal-orange);
}

.full-list > a {
  grid-template-columns: 70px 1fr auto;
  min-height: 180px;
  padding: 30px 0;
}

.article-number {
  color: var(--signal-orange);
  font-size: 12px;
}

.full-list h3 {
  margin: 10px 0 8px;
  font-size: 28px;
  line-height: 1.4;
}

.full-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.external-mark {
  color: var(--grid-green);
  font-size: 24px;
}

/* About */
.about-hero {
  border-bottom: 1px solid var(--ink);
}

.profile-section {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 112px;
}

.profile-statement {
  font-family: var(--font-display);
  font-size: 23px;
  line-height: 1.85;
}

.profile-statement p {
  margin-bottom: 24px;
}

.profile-meta {
  margin-bottom: 0;
  border-top: 1px solid var(--ink);
}

.profile-meta > div,
.credentials > div {
  display: flex;
  flex-direction: column;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-strong);
}

.profile-meta dd {
  margin: 0;
  font-weight: 700;
}

.career-section {
  padding-block: 108px;
}

.timeline {
  border-top: 1px solid rgb(255 255 255 / 28%);
}

.timeline article {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding: 38px 0;
  border-bottom: 1px solid rgb(255 255 255 / 22%);
}

.timeline-date {
  color: var(--green-bright);
  font-family: var(--font-mono);
  font-size: 12px;
}

.timeline-content span {
  color: rgb(255 255 255 / 54%);
  font-size: 12px;
}

.timeline-content h3 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: 25px;
}

.timeline-content p {
  max-width: 760px;
  color: rgb(255 255 255 / 68%);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.capability-grid > div {
  min-height: 260px;
  padding: 28px;
  border-right: 1px solid var(--line-strong);
}

.capability-grid > div:first-child {
  padding-left: 0;
}

.capability-grid > div:last-child {
  border-right: 0;
}

.capability-grid h3 {
  margin: 58px 0 10px;
  font-family: var(--font-display);
  font-size: 23px;
}

.capability-grid p {
  color: var(--muted);
  font-size: 13px;
}

.education-section {
  padding-block: 90px;
}

.education-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  align-items: center;
  gap: 100px;
}

.education-grid h2 {
  margin-bottom: 8px;
  font-size: 34px;
}

.education-grid > div:first-child > p:last-child {
  color: rgb(255 255 255 / 64%);
}

.credentials > div {
  border-color: rgb(255 255 255 / 24%);
}

.credentials span {
  color: rgb(255 255 255 / 48%);
}

.contact-section h2 {
  max-width: 850px;
  margin-bottom: 34px;
  font-size: 48px;
  line-height: 1.35;
}

.contact-section > a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--grid-green);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
}

.contact-section > a span {
  color: var(--signal-orange);
}

.contact-section > p:last-child {
  margin-top: 18px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Progressive enhancement */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .site-shell {
    width: min(100% - 48px, 960px);
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
    gap: 20px;
  }

  .brand-name {
    display: none;
  }

  .site-nav {
    gap: 18px;
  }

  .hero {
    grid-template-columns: 1fr 340px;
    gap: 54px;
  }

  .hero h1 {
    font-size: 72px;
  }

  .case-narrative,
  .platform-preview-grid,
  .profile-section {
    gap: 56px;
  }

  .workflow-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .workflow-list li:nth-child(3) {
    border-right: 0;
  }

  .workflow-list li:nth-child(-n + 3) {
    border-bottom: 1px solid rgb(255 255 255 / 18%);
  }

  .impact-list,
  .ownership-grid,
  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .impact-list > div:nth-child(2),
  .ownership-grid > div:nth-child(2),
  .capability-grid > div:nth-child(2) {
    border-right: 0;
  }

  .impact-list > div:nth-child(-n + 2),
  .ownership-grid > div:nth-child(-n + 2),
  .capability-grid > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-strong);
  }

  .impact-list > div:first-child,
  .ownership-grid > div:first-child,
  .capability-grid > div:first-child {
    padding-left: 28px;
  }

  .market-cases {
    grid-template-columns: 1fr;
  }

  .market-cases article {
    min-height: 340px;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: calc(100% - 32px);
  }

  .site-header {
    position: relative;
  }

  .header-inner {
    min-height: 112px;
    grid-template-columns: 1fr auto;
    gap: 0 16px;
    padding-top: 12px;
  }

  .brand-name {
    display: inline;
    font-size: 16px;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    gap: 22px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    padding: 14px 0 12px;
    font-size: 13px;
  }

  .header-contact {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    padding: 7px 10px;
    font-size: 11px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 48px;
    padding-block: 64px 56px;
  }

  .hero h1 {
    font-size: 58px;
  }

  .hero-role {
    font-size: 26px;
  }

  .hero-summary,
  .page-intro {
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .hero-brief {
    padding: 24px;
  }

  .brief-heading {
    margin-bottom: 34px;
  }

  .brief-number {
    font-size: 60px;
  }

  .metrics-grid,
  .case-context,
  .platform-status {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric {
    min-height: 138px;
    padding: 22px 16px;
    border-bottom: 1px solid rgb(255 255 255 / 18%);
  }

  .metric:nth-child(2) {
    border-right: 1px solid rgb(255 255 255 / 18%);
  }

  .metric strong {
    font-size: 22px;
  }

  .feature-section,
  .writing-preview,
  .ownership-section,
  .platform-evidence,
  .profile-section,
  .capabilities-section,
  .contact-section,
  .articles-section,
  .market-section,
  .case-study {
    padding-block: 72px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2,
  .contact-section h2 {
    font-size: 36px;
  }

  .row-heading,
  .case-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .case-header > p {
    text-align: left;
  }

  .result-layout,
  .platform-preview-grid,
  .case-narrative,
  .evidence-block,
  .profile-section,
  .education-grid {
    grid-template-columns: 1fr;
  }

  .result-primary {
    padding-right: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
  }

  .comparison-rail {
    grid-template-columns: 1fr;
  }

  .comparison-rail > div {
    min-height: 116px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .comparison-rail > div:last-child {
    border-bottom: 0;
  }

  .platform-preview {
    padding-block: 72px;
  }

  .platform-preview-grid {
    gap: 48px;
  }

  .compact-list > a {
    grid-template-columns: 1fr auto;
    gap: 10px 16px;
  }

  .compact-list .article-tag {
    grid-column: 1 / -1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 32px;
  }

  .page-hero {
    min-height: 480px;
    padding-block: 72px 60px;
  }

  .page-hero h1 {
    font-size: 50px;
  }

  .case-header h2 {
    font-size: 40px;
  }

  .case-context > div {
    min-height: 112px;
    padding: 18px;
    border-bottom: 1px solid var(--line);
  }

  .case-context > div:first-child {
    padding-left: 18px;
  }

  .case-context > div:nth-child(2) {
    border-right: 0;
  }

  .case-narrative {
    gap: 42px;
    padding-block: 58px;
  }

  .evidence-lead {
    padding: 36px 24px;
    border-right: 0;
    border-bottom: 1px solid rgb(255 255 255 / 18%);
  }

  .evidence-comparison {
    grid-template-columns: 1fr;
  }

  .evidence-comparison > div {
    min-height: 110px;
    border-right: 0;
    border-bottom: 1px solid rgb(255 255 255 / 16%);
  }

  .capture-results,
  .evidence-pair {
    grid-template-columns: 1fr;
  }

  .capture-results > div {
    align-items: flex-start;
    flex-direction: column;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .research-scope,
  .evidence-figure figcaption {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .platform-status {
    width: 100%;
  }

  .platform-status > div {
    border-bottom: 1px solid var(--line);
  }

  .platform-status > div:first-child {
    padding-left: 20px;
  }

  .platform-status > div:nth-child(2) {
    border-right: 0;
  }

  .workflow-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .workflow-list li:nth-child(3) {
    border-right: 1px solid rgb(255 255 255 / 18%);
  }

  .workflow-list li:nth-child(2n) {
    border-right: 0;
  }

  .workflow-list li:nth-child(-n + 4) {
    border-bottom: 1px solid rgb(255 255 255 / 18%);
  }

  .workflow-list li:first-child {
    padding-left: 22px;
  }

  .impact-list,
  .ownership-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .impact-list > div,
  .ownership-grid > div,
  .capability-grid > div,
  .impact-list > div:first-child,
  .ownership-grid > div:first-child,
  .capability-grid > div:first-child {
    min-height: 170px;
    padding: 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
  }

  .ownership-grid strong,
  .capability-grid h3 {
    margin-top: 34px;
  }

  .impact-summary {
    font-size: 18px;
    text-align: left;
  }

  .full-list > a {
    min-height: 200px;
    grid-template-columns: 38px 1fr;
    align-items: start;
  }

  .publication-group + .publication-group {
    margin-top: 72px;
  }

  .publication-header {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .publication-header h2 {
    font-size: 30px;
  }

  .full-list h3 {
    font-size: 22px;
  }

  .external-mark {
    display: none;
  }

  .profile-section {
    gap: 48px;
  }

  .profile-statement {
    font-size: 20px;
  }

  .timeline article {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 420px) {
  .brand-code {
    display: none;
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero-role {
    font-size: 23px;
  }

  .page-hero h1 {
    font-size: 43px;
  }

}

@media (max-width: 350px) {
  .metrics-grid,
  .case-context,
  .platform-status {
    grid-template-columns: 1fr;
  }

  .metric,
  .metric:nth-child(2) {
    border-right: 1px solid rgb(255 255 255 / 18%);
  }

  .case-context > div,
  .case-context > div:nth-child(2),
  .platform-status > div,
  .platform-status > div:nth-child(2) {
    border-right: 0;
  }

  .workflow-list {
    grid-template-columns: 1fr;
  }

  .workflow-list li,
  .workflow-list li:nth-child(3) {
    min-height: 150px;
    border-right: 0;
    border-bottom: 1px solid rgb(255 255 255 / 18%);
  }

  .workflow-list strong {
    margin-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}