:root {
  --ink: #162026;
  --muted: #5e6a70;
  --paper: #f7f4ee;
  --white: #ffffff;
  --teal: #0f766e;
  --teal-dark: #0b4f4a;
  --red: #b43c32;
  --gold: #c99a2e;
  --line: rgba(22, 32, 38, 0.14);
  --shadow: 0 24px 70px rgba(31, 43, 51, 0.18);
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

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

.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;
}

.section-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px max(20px, calc((100vw - 1120px) / 2));
  background: rgba(247, 244, 238, 0.88);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 10px 36px rgba(22, 32, 38, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--ink);
}

.nav-download {
  padding: 10px 14px;
  color: var(--white) !important;
  background: var(--teal);
  border-radius: 8px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 58px;
  align-items: center;
  min-height: calc(100vh - 75px);
  padding: 52px 0 72px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--serif);
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 6vw, 5.8rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.1rem, 4vw, 4rem);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.18rem;
  line-height: 1.25;
}

.hero-lede {
  max-width: 670px;
  margin-bottom: 30px;
  color: #3c494f;
  font-size: 1.18rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(22, 32, 38, 0.14);
}

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

.button.secondary {
  background: transparent;
}

.portrait-wrap {
  margin: 0;
}

.portrait-wrap img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 18%;
  border: 8px solid var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.portrait-wrap figcaption {
  max-width: 92%;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.intro-band {
  background: var(--ink);
  color: var(--white);
}

.intro-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 42px;
  align-items: end;
  padding: 78px 0 30px;
}

.intro-heading .section-kicker {
  color: #f0c457;
}

.intro-heading h2 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(2.1rem, 3.8vw, 3.8rem);
}

.intro-heading p:not(.section-kicker) {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding: 0;
  background: rgba(255, 255, 255, 0.18);
}

.intro-grid article {
  min-height: 260px;
  padding: 34px 26px;
  background: var(--ink);
}

.intro-grid article.intro-card-link {
  padding: 0;
}

.intro-card-link a {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 34px 26px;
}

.intro-grid span {
  color: var(--gold);
  font-weight: 800;
}

.intro-grid h2 {
  margin: 62px 0 12px;
  font-family: var(--sans);
  font-size: 1.32rem;
  line-height: 1.2;
}

.intro-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.95rem;
}

.intro-card-link strong {
  display: inline-flex;
  width: fit-content;
  margin-top: auto;
  padding-top: 24px;
  color: var(--white);
  font-size: 0.9rem;
}

.about,
.work,
.ai,
.contact {
  padding: 96px 0;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.body-copy p {
  color: #39464c;
  font-size: 1.05rem;
}

.body-copy p:last-child {
  margin-bottom: 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 52px;
  align-items: end;
  margin-bottom: 34px;
}

.section-heading p {
  color: var(--muted);
  font-size: 1rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.timeline-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(22, 32, 38, 0.06);
}

.timeline-card.featured {
  grid-row: span 2;
  border-top: 6px solid var(--teal);
}

.timeline-meta {
  margin-bottom: 12px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.timeline-card p {
  color: #46545a;
}

.timeline-card ul {
  display: grid;
  gap: 10px;
  padding-left: 1.1rem;
  margin: 20px 0 0;
  color: #46545a;
}

.experience-cta,
.section-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 30px;
}

.strategy-band {
  padding: 88px 0;
  color: var(--white);
  background: var(--teal-dark);
}

.strategy-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.strategy-band .section-kicker {
  color: #f0c457;
}

.body-copy.light p {
  color: rgba(255, 255, 255, 0.78);
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pill-grid span {
  padding: 8px 12px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
}

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

.ai-grid article {
  padding: 28px;
  background: #fffaf0;
  border: 1px solid rgba(201, 154, 46, 0.32);
  border-radius: 8px;
}

.ai-grid h3 {
  color: var(--teal-dark);
}

.ai-grid p {
  color: #4f5a5f;
}

.contact {
  padding-top: 28px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 46px;
  align-items: center;
  padding: 46px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.contact-panel .section-kicker {
  color: #f0c457;
}

.contact-panel h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 3.6vw, 3.5rem);
}

.contact-actions {
  justify-content: flex-start;
}

.contact-actions .button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.contact-actions p {
  width: 100%;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.site-footer {
  padding: 28px 20px 42px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.portfolio-hero {
  padding: 78px 0 44px;
}

.portfolio-hero h1 {
  max-width: 980px;
  margin-bottom: 22px;
  font-size: clamp(2.7rem, 5.4vw, 5rem);
}

.portfolio-hero p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.12rem;
}

.portfolio-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.portfolio-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 13px;
  color: var(--teal-dark);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(22, 32, 38, 0.05);
  transition: transform 160ms ease, border-color 160ms ease;
}

.portfolio-nav a:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 118, 110, 0.42);
}

.case-study {
  padding: 52px 0 92px;
}

.people-case {
  padding: 28px 0 92px;
}

.systems-case {
  padding: 28px 0 92px;
}

.ai-governance-case {
  padding: 28px 0 92px;
}

.case-study-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  margin-bottom: 30px;
}

.case-study-header h2 {
  max-width: 900px;
  margin-bottom: 0;
}

.case-feature {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 36px;
  align-items: stretch;
  margin-bottom: 28px;
}

.case-art {
  margin: 0;
}

.case-art img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  border: 8px solid var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.case-summary {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  padding: 34px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.case-lede {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3vw, 2.6rem);
  line-height: 1.12;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.stat-row div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.stat-row strong,
.stat-row span {
  display: block;
}

.stat-row strong {
  color: #f0c457;
  font-size: 1.8rem;
  line-height: 1;
}

.stat-row span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
  line-height: 1.35;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.case-grid article {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(22, 32, 38, 0.06);
}

.case-grid h3 {
  color: var(--teal-dark);
}

.case-grid p {
  margin-bottom: 0;
  color: #46545a;
  font-size: 0.95rem;
}

.supporting-examples {
  margin-top: 58px;
}

.supporting-heading {
  display: grid;
  grid-template-columns: minmax(0, 680px);
  margin-bottom: 24px;
}

.supporting-heading h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.1;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.example-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 22px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(22, 32, 38, 0.06);
}

.example-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
}

.example-label {
  margin-bottom: 8px;
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.example-card h4 {
  margin: 0 0 10px;
  font-size: 1.28rem;
  line-height: 1.2;
}

.example-card p:not(.example-label),
.example-card dd {
  color: #46545a;
  font-size: 0.93rem;
}

.example-card dl {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.example-card dl div {
  display: grid;
  gap: 3px;
}

.example-card dt {
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.example-card dd {
  margin: 0;
}

.example-card a {
  color: var(--teal-dark);
  font-weight: 800;
}

.portfolio-strategy-card {
  display: grid;
  gap: 28px;
  margin-top: 58px;
  padding: 34px;
  background: #fffaf0;
  border: 1px solid rgba(201, 154, 46, 0.32);
  border-radius: 8px;
}

.people-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 18px;
  margin-bottom: 18px;
}

.people-story {
  display: flex;
  align-items: center;
  min-height: 280px;
  padding: 34px;
  color: var(--white);
  background: var(--teal-dark);
  border-radius: 8px;
}

.people-story .case-lede {
  margin: 0;
}

.people-proof {
  display: grid;
  gap: 1px;
  overflow: hidden;
  background: rgba(22, 32, 38, 0.14);
  border: 1px solid rgba(22, 32, 38, 0.14);
  border-radius: 8px;
}

.people-proof div {
  padding: 24px;
  background: var(--white);
}

.people-proof strong,
.people-proof span {
  display: block;
}

.people-proof strong {
  color: var(--red);
  font-size: 1.9rem;
  line-height: 1;
}

.people-proof span {
  margin-top: 8px;
  color: #566268;
  font-size: 0.9rem;
  line-height: 1.35;
}

.leadership-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 26px;
  align-items: center;
  margin-top: 18px;
  padding: 30px;
  background: var(--ink);
  border-radius: 8px;
}

.leadership-note blockquote {
  margin: 0;
  color: var(--white);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.8vw, 2.7rem);
  line-height: 1.14;
}

.leadership-note p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
}

.cross-functional-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 18px;
  margin-top: 76px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}

.cross-functional-intro {
  min-height: 250px;
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(22, 32, 38, 0.06);
}

.cross-functional-intro h3 {
  max-width: 760px;
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(2.35rem, 4vw, 4rem);
  line-height: 1.05;
}

.cross-functional-intro p {
  max-width: 720px;
  margin: 0;
  color: #46545a;
  font-size: 1.03rem;
}

.committee-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  color: var(--white);
  background: var(--teal-dark);
  border-radius: 8px;
}

.committee-panel strong,
.committee-panel span {
  display: block;
}

.committee-panel strong {
  color: #f0c457;
  font-size: 4rem;
  line-height: 1;
}

.committee-panel span {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.cross-functional-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.cross-functional-grid article {
  padding: 22px;
  background: #fffaf0;
  border: 1px solid rgba(201, 154, 46, 0.32);
  border-radius: 8px;
}

.cross-functional-grid h4 {
  margin: 0 0 8px;
  color: var(--teal-dark);
  font-size: 1rem;
}

.cross-functional-grid p {
  margin: 0;
  color: #46545a;
  font-size: 0.93rem;
}

.systems-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 18px;
  margin-bottom: 34px;
}

.systems-feature > div:first-child {
  display: flex;
  align-items: center;
  min-height: 260px;
  padding: 34px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.systems-feature .case-lede {
  margin: 0;
}

.systems-proof {
  display: grid;
  gap: 1px;
  overflow: hidden;
  background: rgba(15, 118, 110, 0.18);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 8px;
}

.systems-proof div {
  padding: 22px;
  background: var(--white);
}

.systems-proof strong,
.systems-proof span {
  display: block;
}

.systems-proof strong {
  color: var(--teal-dark);
  font-size: 2rem;
  line-height: 1;
}

.systems-proof span {
  margin-top: 8px;
  color: #566268;
  font-size: 0.9rem;
  line-height: 1.35;
}

.system-card {
  display: grid;
  gap: 24px;
  margin-top: 34px;
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(22, 32, 38, 0.06);
}

.system-card.budget-card {
  background: #fffaf0;
  border-color: rgba(201, 154, 46, 0.32);
}

.system-card-heading {
  max-width: 840px;
}

.system-card-heading h3 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 3.7rem);
  line-height: 1.05;
}

.system-card-heading p {
  margin: 0;
  color: #46545a;
  font-size: 1.03rem;
}

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

.system-grid article {
  padding: 22px;
  background: #f7fbf9;
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 8px;
}

.budget-card .system-grid article {
  background: var(--white);
  border-color: rgba(22, 32, 38, 0.1);
}

.system-grid h4 {
  margin: 0 0 8px;
  color: var(--teal-dark);
  font-size: 1rem;
}

.system-grid p {
  margin: 0;
  color: #46545a;
  font-size: 0.93rem;
}

.budget-snapshot {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  background: rgba(201, 154, 46, 0.28);
  border: 1px solid rgba(201, 154, 46, 0.28);
  border-radius: 8px;
}

.budget-snapshot div {
  padding: 20px;
  background: var(--white);
}

.budget-snapshot strong,
.budget-snapshot span {
  display: block;
}

.budget-snapshot strong {
  color: var(--red);
  font-size: 2rem;
  line-height: 1;
}

.budget-snapshot span {
  margin-top: 8px;
  color: #566268;
  font-size: 0.86rem;
  line-height: 1.35;
}

.ai-governance-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 18px;
  margin-bottom: 18px;
}

.ai-governance-hero > div:first-child {
  display: flex;
  align-items: center;
  min-height: 280px;
  padding: 34px;
  color: var(--white);
  background: var(--teal-dark);
  border-radius: 8px;
}

.ai-governance-hero .case-lede {
  margin: 0;
}

.principle-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.principle-panel span {
  color: #f0c457;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.principle-panel strong {
  display: block;
  margin-top: 14px;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3vw, 2.8rem);
  line-height: 1.12;
}

.governance-framework {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}

.governance-framework article {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(22, 32, 38, 0.06);
}

.governance-framework h3,
.ai-boundary-grid h3,
.use-case-card h3 {
  color: var(--teal-dark);
}

.governance-framework p,
.ai-boundary-grid p {
  margin-bottom: 0;
  color: #46545a;
  font-size: 0.95rem;
}

.ethics-band {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  margin: 34px 0 18px;
  padding: 30px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.ethics-band .section-kicker {
  color: #f0c457;
}

.ethics-band h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.05;
}

.ethics-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ethics-list span {
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 800;
}

.ai-boundary-grid,
.use-case-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}

.ai-boundary-grid article,
.use-case-card {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(22, 32, 38, 0.06);
}

.use-case-card.approved {
  border-top: 6px solid var(--teal);
}

.use-case-card.restricted {
  border-top: 6px solid var(--red);
}

.use-case-card ul {
  display: grid;
  gap: 10px;
  padding-left: 1.1rem;
  margin: 16px 0 0;
  color: #46545a;
}

.workflow-improvements {
  display: grid;
  gap: 24px;
  margin-top: 34px;
  padding: 34px;
  background: #fffaf0;
  border: 1px solid rgba(201, 154, 46, 0.32);
  border-radius: 8px;
}

.portfolio-strategy-card h3 {
  max-width: 820px;
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 3.7rem);
  line-height: 1.05;
}

.strategy-lede {
  max-width: 820px;
  margin-bottom: 0;
  color: #46545a;
  font-size: 1.08rem;
}

.strategy-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  overflow: hidden;
  background: rgba(15, 118, 110, 0.18);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 8px;
}

.strategy-stats div {
  padding: 20px;
  background: var(--white);
}

.strategy-stats strong,
.strategy-stats span {
  display: block;
}

.strategy-stats strong {
  color: var(--teal-dark);
  font-size: clamp(1.45rem, 2.1vw, 1.9rem);
  line-height: 1;
}

.strategy-stats span {
  margin-top: 8px;
  color: #566268;
  font-size: 0.86rem;
  line-height: 1.35;
}

.schedule-artifact {
  display: grid;
  grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 26px;
  background: var(--white);
  border: 1px solid rgba(22, 32, 38, 0.1);
  border-radius: 8px;
}

.schedule-artifact h4 {
  margin: 0 0 10px;
  font-size: 1.28rem;
  line-height: 1.2;
}

.schedule-artifact p:not(.example-label) {
  margin: 0;
  color: #46545a;
  font-size: 0.94rem;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  overflow: hidden;
  background: rgba(15, 118, 110, 0.18);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 8px;
}

.schedule-grid div {
  padding: 16px;
  background: #f7fbf9;
}

.schedule-grid strong,
.schedule-grid span {
  display: block;
}

.schedule-grid strong {
  color: var(--teal-dark);
  font-size: 0.94rem;
  line-height: 1.2;
}

.schedule-grid span {
  margin-top: 8px;
  color: #566268;
  font-size: 0.82rem;
  line-height: 1.35;
}

.strategy-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.strategy-detail-grid article {
  padding: 22px;
  background: var(--white);
  border: 1px solid rgba(22, 32, 38, 0.1);
  border-radius: 8px;
}

.strategy-detail-grid h4 {
  margin: 0 0 8px;
  color: var(--teal-dark);
  font-size: 1rem;
}

.strategy-detail-grid p {
  margin: 0;
  color: #46545a;
  font-size: 0.93rem;
}

.portfolio-next {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 0 0 72px;
  color: var(--muted);
  font-weight: 700;
}

.portfolio-next a {
  color: var(--teal-dark);
}

@media (max-width: 900px) {
  .site-header {
    padding-left: 20px;
    padding-right: 20px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 73px 14px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px;
    border-radius: 8px;
  }

  .site-nav a:hover {
    background: rgba(15, 118, 110, 0.08);
  }

  .nav-download {
    margin-top: 4px;
    text-align: center;
  }

  .hero,
  .split,
  .section-heading,
  .intro-heading,
  .strategy-layout,
  .case-study-header,
  .case-feature,
  .people-feature,
  .leadership-note,
  .cross-functional-card,
  .systems-feature,
  .ai-governance-hero,
  .ethics-band,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 34px;
    min-height: auto;
    padding-top: 38px;
  }

  .portrait-wrap {
    max-width: 430px;
  }

  .intro-grid,
  .timeline,
  .ai-grid,
  .case-grid,
  .example-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .example-card {
    grid-template-columns: 1fr;
  }

  .strategy-stats,
  .strategy-detail-grid,
  .schedule-artifact,
  .schedule-grid,
  .cross-functional-grid,
  .system-grid,
  .budget-snapshot,
  .governance-framework {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline-card.featured {
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .section-shell {
    width: min(100% - 28px, 1120px);
  }

  h1 {
    font-size: 2.9rem;
  }

  h2 {
    font-size: 2.15rem;
  }

  .hero-lede {
    font-size: 1.04rem;
  }

  .hero-actions,
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .intro-grid,
  .timeline,
  .ai-grid {
    grid-template-columns: 1fr;
  }

  .intro-grid article {
    min-height: 210px;
  }

  .intro-card-link a {
    min-height: 210px;
  }

  .intro-grid h2 {
    margin-top: 34px;
  }

  .intro-heading {
    padding-top: 58px;
  }

  .about,
  .work,
  .ai,
  .contact {
    padding: 72px 0;
  }

  .strategy-band {
    padding: 72px 0;
  }

  .timeline-card,
  .ai-grid article {
    padding: 22px;
  }

  .contact-panel {
    padding: 28px 22px;
  }

  .portfolio-hero {
    padding-top: 54px;
  }

  .case-grid,
  .stat-row,
  .example-grid,
  .strategy-stats,
  .strategy-detail-grid,
  .cross-functional-grid,
  .system-grid,
  .budget-snapshot,
  .governance-framework,
  .ai-boundary-grid,
  .use-case-columns {
    grid-template-columns: 1fr;
  }

  .schedule-artifact,
  .schedule-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-strategy-card {
    padding: 26px 22px;
  }

  .case-summary {
    padding: 26px 22px;
  }

  .people-story,
  .leadership-note,
  .cross-functional-intro,
  .committee-panel,
  .systems-feature > div:first-child,
  .system-card,
  .ai-governance-hero > div:first-child,
  .principle-panel,
  .ethics-band,
  .workflow-improvements {
    padding: 26px 22px;
  }

  .portfolio-next {
    flex-direction: column;
  }
}