:root {
  --ink: #101110;
  --ink-soft: #292a28;
  --ivory: #f8f6f0;
  --paper: #efebe3;
  --stone: #d8d4cc;
  --muted-dark: #5f605b;
  --muted-light: #a8a9a5;
  --line-dark: rgba(255, 255, 255, 0.18);
  --line-light: rgba(16, 17, 16, 0.18);
  --max: 86rem;
  --pad: clamp(1.25rem, 4vw, 4.75rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--ivory);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

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

figure {
  margin: 0;
}

a:focus-visible {
  outline: 3px solid var(--ivory);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--ink);
}

.skip-link {
  position: fixed;
  z-index: 30;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--ink);
  background: var(--ivory);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.shell {
  width: min(100%, var(--max));
  margin-inline: auto;
  padding-inline: var(--pad);
}

.masthead,
.hero,
.transformation,
footer {
  color: var(--ivory);
  background: var(--ink);
}

.masthead-inner {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line-dark);
}

.wordmark {
  color: inherit;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

nav ul {
  display: flex;
  align-items: center;
  gap: clamp(0.35rem, 2vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

nav a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  padding-inline: 0.2rem;
  color: #d0d0cc;
  text-decoration: none;
  font-size: 0.76rem;
}

nav a:hover {
  color: var(--ivory);
}

section {
  scroll-margin-top: 1rem;
}

.hero-grid {
  min-height: calc(100svh - 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(22rem, 0.95fr);
  align-items: stretch;
  gap: clamp(2rem, 5vw, 6rem);
}

.hero-copy {
  position: relative;
  z-index: 1;
  align-self: center;
  padding-block: clamp(5rem, 10vw, 9rem);
}

.section-marker {
  margin: 0;
  color: var(--muted-dark);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hero .section-marker,
.transformation .section-marker,
footer .section-marker {
  color: var(--muted-light);
}

h1 {
  margin: 2.2rem 0 clamp(2.3rem, 4vw, 3.6rem);
  color: var(--ivory);
  font-size: clamp(4.25rem, 8.6vw, 8.2rem);
  font-weight: 580;
  line-height: 0.84;
  letter-spacing: -0.075em;
  white-space: nowrap;
}

.hero-kicker {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.35rem, 3.5vw, 3.65rem);
  font-weight: 430;
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.territory {
  margin: 2.1rem 0 0;
  color: #d0d0cc;
  font-size: clamp(0.9rem, 1.25vw, 1.08rem);
  line-height: 1.6;
}

.hero-explanation {
  max-width: 39rem;
  margin: 2.25rem 0 0;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line-dark);
  color: var(--muted-light);
  font-size: clamp(1rem, 1.45vw, 1.3rem);
  line-height: 1.55;
}

.portrait-wrap {
  min-height: 42rem;
  align-self: stretch;
  overflow: hidden;
  background: #252627;
}

.portrait-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 18%;
  filter: saturate(0.82) contrast(1.03);
  transform: scale(1.025);
}

.section-pad {
  padding-block: clamp(5.5rem, 10vw, 10rem);
}

.thesis {
  background: var(--ivory);
  border-bottom: 1px solid var(--line-light);
}

.thesis h2 {
  max-width: 10.5ch;
  margin: clamp(2.5rem, 5vw, 5rem) 0 0;
  font-size: clamp(4rem, 8.4vw, 8.8rem);
  font-weight: 520;
  line-height: 0.91;
  letter-spacing: -0.065em;
}

.thesis h2 span {
  color: #777771;
}

.thesis-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.72fr);
  gap: 3rem;
  margin-top: clamp(4rem, 8vw, 8rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line-light);
}

.thesis-support p {
  grid-column: 2;
  margin: 0;
  color: var(--muted-dark);
  font-size: clamp(1.1rem, 1.7vw, 1.55rem);
  line-height: 1.55;
}

.cases {
  background: var(--paper);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(18rem, 1.38fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
  margin-bottom: clamp(3.5rem, 7vw, 6.5rem);
}

.section-heading h2 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(3rem, 5.5vw, 5.8rem);
  font-weight: 510;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

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

.case-item {
  display: grid;
  grid-template-columns: 5.5rem minmax(15rem, 0.82fr) minmax(18rem, 1.18fr);
  gap: clamp(1rem, 4vw, 4.5rem);
  align-items: start;
  padding-block: clamp(2.4rem, 4.2vw, 3.9rem);
  border-bottom: 1px solid var(--line-light);
}

.case-number {
  color: #343531;
  font-size: clamp(2.6rem, 4vw, 4.6rem);
  font-weight: 340;
  line-height: 0.9;
  letter-spacing: -0.06em;
  font-variant-numeric: tabular-nums;
}

.case-item h3 {
  margin: 0;
  font-size: clamp(1.55rem, 2.4vw, 2.5rem);
  font-weight: 520;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.case-category {
  display: block;
  margin-bottom: 1rem;
  color: var(--muted-dark);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.case-item p {
  max-width: 43rem;
  margin: 0;
  color: var(--muted-dark);
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.68;
}

.featured-teaser {
  background: var(--ivory);
  border-block: 1px solid var(--line-light);
  padding-block: clamp(3rem, 4vw, 4.25rem);
}

.teaser-header {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(12rem, 0.45fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
  margin-bottom: clamp(2rem, 3vw, 3.25rem);
}

.teaser-header h2 {
  max-width: 17ch;
  margin: 1.5rem 0 0;
  font-size: clamp(2.8rem, 4.35vw, 4.6rem);
  font-weight: 510;
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.teaser-meta {
  max-width: 14rem;
  margin: 0 0 0.35rem;
  color: var(--muted-dark);
  font-size: 0.85rem;
  line-height: 1.4;
}

.teaser-judgment {
  max-width: 28ch;
  margin: 0 0 clamp(2rem, 3vw, 3.25rem);
  font-size: clamp(1.65rem, 2.7vw, 2.7rem);
  font-weight: 470;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.teaser-comparison {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  border-top: 1px solid var(--line-light);
}

.teaser-comparison-column {
  min-width: 0;
  padding-block: 1.35rem 1.5rem;
}

.teaser-new {
  padding-left: clamp(1.25rem, 3vw, 3rem);
  border-left: 1px solid var(--line-light);
}

.teaser-label {
  margin: 0 0 1.1rem;
  color: var(--muted-dark);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.teaser-model-title,
.teaser-model-copy,
.teaser-model-note {
  margin: 0;
}

.teaser-model-title {
  font-size: clamp(1.2rem, 1.8vw, 1.75rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.teaser-model-copy {
  max-width: 35rem;
  color: var(--muted-dark);
  font-size: clamp(0.95rem, 1.25vw, 1.12rem);
  line-height: 1.5;
}

.teaser-model-note {
  margin-top: 1.4rem;
  font-size: clamp(1rem, 1.35vw, 1.25rem);
  font-weight: 650;
  line-height: 1.35;
}

.teaser-old {
  color: #777771;
}

.teaser-old .teaser-label,
.teaser-old .teaser-model-title,
.teaser-old .teaser-model-note {
  color: #777771;
}

.teaser-new .teaser-model-title {
  margin-top: 1.35rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-light);
  color: var(--ink);
}

.teaser-new .teaser-model-note {
  margin-top: 0.6rem;
  color: var(--ink);
}

.teaser-proof {
  margin: clamp(1.75rem, 2.5vw, 2.5rem) 0 0;
  color: var(--muted-dark);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  line-height: 1.5;
}

.teaser-cta {
  display: inline-flex;
  gap: 0.55rem;
  margin-top: 1.35rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid currentColor;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.detail-back {
  color: #d0d0cc;
  font-size: 0.76rem;
  text-decoration: none;
}

.detail-back:hover {
  color: var(--ivory);
}

.case-detail h1 {
  max-width: 16ch;
  margin: 1.5rem 0 0;
  color: var(--ink);
  font-size: clamp(2.8rem, 4.8vw, 5.2rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.06em;
  white-space: normal;
}

.case-detail-note {
  max-width: 42rem;
  margin-top: clamp(5rem, 9vw, 9rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-light);
  color: var(--muted-dark);
  font-size: 0.82rem;
  line-height: 1.55;
}

.case-detail-note p {
  margin: 0;
}

.case-detail-note p + p {
  margin-top: 0.45rem;
}

.featured-case {
  background: var(--ivory);
  border-block: 1px solid var(--line-light);
  padding-block: clamp(4.5rem, 8vw, 8rem);
}

.featured-case-header {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(13rem, 0.5fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
  margin-bottom: clamp(4rem, 8vw, 7.5rem);
}

.featured-case-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
}

.featured-case-meta > div {
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-light);
}

.featured-case-meta dt,
.featured-case-meta dd {
  margin: 0;
}

.featured-case-meta dt,
.model-label,
.case-detail-index {
  color: var(--muted-dark);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.featured-case-meta dd {
  margin-top: 0.75rem;
  font-size: 0.98rem;
  line-height: 1.4;
}

.case-detail-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 7vw, 7rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line-light);
}

.case-detail-moment {
  min-width: 0;
}

.case-detail-index {
  margin: 0 0 1.4rem;
}

.case-detail-moment > p:not(.case-detail-index) {
  max-width: 38rem;
  margin: 0;
  color: var(--muted-dark);
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.68;
}

.case-detail-moment > p + p:not(.case-detail-index) {
  margin-top: 1.3rem;
}

.featured-case-judgment-statement {
  max-width: 20ch;
  margin: 0;
  color: var(--ink) !important;
  font-size: clamp(2rem, 3.2vw, 3.2rem) !important;
  font-weight: 470;
  line-height: 1.06;
  letter-spacing: -0.045em;
}

.featured-case-support {
  margin-top: 2rem;
}

.case-detail-change {
  margin-top: clamp(5rem, 9vw, 9rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line-light);
}

.operating-model {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  margin-top: clamp(2.25rem, 4vw, 4rem);
  border-block: 1px solid var(--line-light);
}

.model-panel {
  min-width: 0;
  padding-block: 1.35rem 2.25rem;
}

.model-before {
  color: #777771;
}

.model-after {
  padding-left: clamp(1.25rem, 3vw, 3rem);
  border-left: 1px solid var(--line-light);
}

.model-label {
  margin: 0 0 1.1rem;
}

.model-title,
.model-list,
.model-note,
.model-maturity,
.model-paths {
  margin: 0;
}

.model-title {
  color: var(--ink);
  font-size: clamp(1.2rem, 1.8vw, 1.75rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.model-before .model-title {
  color: #777771;
}

.model-list {
  padding: 0;
  margin-top: 1rem;
  color: var(--muted-dark);
  font-size: clamp(0.98rem, 1.25vw, 1.12rem);
  line-height: 1.5;
  list-style: none;
}

.model-list li + li {
  margin-top: 0.35rem;
}

.model-note {
  margin-top: 1.75rem;
  color: #777771;
  font-size: clamp(1rem, 1.35vw, 1.25rem);
  font-weight: 650;
  line-height: 1.35;
}

.model-maturity {
  margin-top: 2.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-light);
  color: var(--ink);
  font-size: clamp(1.2rem, 1.8vw, 1.75rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.model-paths {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  padding: 0;
  margin-top: 0.8rem;
  color: var(--ink);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  font-weight: 650;
  line-height: 1.35;
  list-style: none;
}

.model-paths li + li::before {
  content: "·";
  margin-right: 0.75rem;
  color: #85857f;
}

.case-detail-role,
.case-detail-validation {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 8vw, 8rem);
  margin-top: clamp(5rem, 9vw, 9rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line-light);
}

.case-detail-role-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.8rem, 2.8vw, 2.8rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.case-detail-role-copy {
  max-width: 38rem;
  margin: 0.8rem 0 0;
  color: var(--muted-dark);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  line-height: 1.6;
}

.case-detail-validation-primary {
  max-width: 34rem;
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.45rem, 2.25vw, 2.2rem);
  font-weight: 470;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.case-detail-validation-secondary {
  max-width: 38rem;
  margin: 1.25rem 0 0;
  color: var(--muted-dark);
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.68;
}

.transformation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(18rem, 0.72fr);
  gap: clamp(4rem, 10vw, 10rem);
  align-items: end;
}

.transformation h2 {
  max-width: 11.5ch;
  margin: 2rem 0 0;
  font-size: clamp(3.5rem, 7.2vw, 7.5rem);
  font-weight: 470;
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.system-stack {
  margin: 0;
  padding: 0 0 0 clamp(1.75rem, 4vw, 4rem);
  border-left: 1px solid var(--line-dark);
  list-style: none;
}

.system-stack li {
  color: #d5d5d1;
  font-size: clamp(0.95rem, 1.35vw, 1.18rem);
  font-weight: 650;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.system-stack li:not(:last-child)::after {
  content: "↓";
  display: block;
  margin-block: 0.6rem;
  color: #787975;
  font-weight: 400;
}

.transformation-support {
  max-width: 36rem;
  margin: 5rem 0 0;
  color: var(--muted-light);
  font-size: 1rem;
  line-height: 1.6;
}

.perspectives {
  background: var(--ivory);
}

.perspective-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(18rem, 1.38fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: end;
  margin-bottom: clamp(3.5rem, 6vw, 6rem);
}

.perspective-intro h2 {
  margin: 0;
  font-size: clamp(3rem, 5.8vw, 6rem);
  font-weight: 510;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.perspective-intro p {
  max-width: 28rem;
  margin: 0;
  color: var(--muted-dark);
  font-size: 0.98rem;
  line-height: 1.65;
}

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

.perspective-list li {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 5.5rem);
  align-items: start;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--line-light);
}

.perspective-number {
  padding-top: 0.75rem;
  color: #85857f;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.perspective-list p {
  max-width: 29ch;
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.25rem);
  font-weight: 470;
  line-height: 1.06;
  letter-spacing: -0.05em;
}

.about {
  background: var(--paper);
  border-top: 1px solid var(--line-light);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
  gap: clamp(3rem, 10vw, 11rem);
  align-items: start;
}

.about h2 {
  max-width: 11ch;
  margin: 2.1rem 0 0;
  font-size: clamp(3rem, 5.9vw, 6.2rem);
  font-weight: 500;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.about-copy {
  padding-top: 3rem;
  color: #4e4f4a;
  font-size: clamp(1rem, 1.35vw, 1.22rem);
  line-height: 1.75;
}

.about-copy p {
  margin: 0 0 1.3rem;
}

.beyond {
  background: var(--ivory);
}

.beyond-grid {
  display: grid;
  grid-template-columns: minmax(14rem, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: start;
}

.beyond h2 {
  margin: 2rem 0 0;
  font-size: clamp(3rem, 5.6vw, 5.8rem);
  font-weight: 500;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.beyond-copy {
  max-width: 28ch;
  margin: 2rem 0 0;
  color: #4d4e49;
  font-size: clamp(1.8rem, 3.7vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  padding-block: clamp(5rem, 8vw, 8rem);
}

.contact-grid h2 {
  margin: 1.4rem 0 0;
  font-size: clamp(3rem, 5.5vw, 5.7rem);
  font-weight: 490;
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.contact-item {
  padding-top: 1rem;
  border-top: 1px solid var(--line-dark);
}

.contact-item span {
  display: block;
  margin-bottom: 0.65rem;
  color: var(--muted-light);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.contact-item p {
  margin: 0;
  font-size: clamp(1.05rem, 1.8vw, 1.5rem);
  line-height: 1.4;
}

.legal {
  padding-block: 1.25rem;
  border-top: 1px solid var(--line-dark);
  color: #858682;
  font-size: 0.7rem;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > *,
  .portrait-wrap {
    animation: reveal 680ms both cubic-bezier(0.2, 0.68, 0.2, 1);
  }

  .hero-copy > :nth-child(2) {
    animation-delay: 70ms;
  }

  .hero-copy > :nth-child(3) {
    animation-delay: 130ms;
  }

  .hero-copy > :nth-child(4) {
    animation-delay: 190ms;
  }

  .hero-copy > :nth-child(5) {
    animation-delay: 250ms;
  }

  .portrait-wrap {
    animation-delay: 110ms;
  }
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(0.9rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .hero-copy {
    padding-block: 5rem 4rem;
  }

  .portrait-wrap {
    min-height: 35rem;
    margin-inline: calc(var(--pad) * -1);
  }

  .thesis-support {
    grid-template-columns: 1fr;
  }

  .thesis-support p {
    grid-column: auto;
    max-width: 38rem;
  }

  .section-heading,
  .perspective-intro,
  .about-grid,
  .beyond-grid,
  .transformation-grid {
    grid-template-columns: 1fr;
  }

  .featured-case-header {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .featured-case-meta {
    max-width: 28rem;
  }

  .case-item {
    grid-template-columns: 5rem 1fr;
  }

  .case-item p {
    grid-column: 2;
  }

  .transformation-grid {
    gap: 4.5rem;
  }

  .about-copy {
    padding-top: 0;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .masthead-inner {
    display: block;
    padding-block: 0.75rem;
  }

  .wordmark {
    min-height: 2.75rem;
    display: inline-flex;
    align-items: center;
  }

  nav ul {
    justify-content: space-between;
    gap: 0.1rem;
  }

  nav a {
    min-inline-size: 24px;
    padding-inline: 0.1rem;
    font-size: 0.75rem;
  }

  h1 {
    margin-top: 1.8rem;
    font-size: clamp(3.85rem, 17.5vw, 4.3rem);
  }

  .hero-kicker {
    font-size: 2.35rem;
  }

  .portrait-wrap {
    min-height: 29rem;
  }

  .section-pad {
    padding-block: 5rem;
  }

  .thesis h2 {
    font-size: clamp(3.65rem, 16vw, 5rem);
  }

  .thesis-support {
    margin-top: 4rem;
  }

  .section-heading,
  .perspective-intro {
    gap: 1.5rem;
  }

  .case-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .case-item p {
    grid-column: auto;
  }

  .system-stack {
    padding-left: 1.5rem;
  }

  .perspective-list li {
    grid-template-columns: 2.8rem 1fr;
    gap: 1rem;
  }

  .perspective-list p {
    font-size: 2rem;
  }

  .about h2 {
    font-size: 3.3rem;
  }

  .beyond-copy {
    font-size: 2.2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-grid > :first-child {
    grid-column: auto;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 900px) {
  .teaser-header {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .teaser-meta {
    max-width: 28rem;
  }
}

@media (max-width: 620px) {
  .featured-teaser {
    padding-block: 4rem;
  }

  .detail-back {
    display: block;
    margin-top: 0.35rem;
  }

  .teaser-header h2,
  .case-detail h1 {
    font-size: clamp(2.75rem, 14vw, 4.2rem);
  }

  .teaser-comparison,
  .case-detail-intro,
  .case-detail-role,
  .case-detail-validation,
  .operating-model {
    grid-template-columns: 1fr;
  }

  .teaser-new,
  .model-after {
    padding-left: 0;
    border-top: 1px solid var(--line-light);
    border-left: 0;
  }

  .teaser-new {
    padding-top: 2rem;
  }

  .case-detail-intro {
    gap: 3.5rem;
  }

  .model-after {
    padding-top: 2.25rem;
  }

  .model-paths {
    display: block;
  }

  .model-paths li + li {
    margin-top: 0.35rem;
  }
}