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

:root {
  color-scheme: light;
  --color-canvas: #f7f6f3;
  --color-surface: #ffffff;
  --color-ink: #171717;
  --color-body: #454545;
  --color-muted: #686868;
  --color-line: #e5e4e0;
  --color-accent: #0068d6;
  --color-accent-wash: #ebf5ff;
  --color-accent-deep: #004f9f;
  --color-ink-hover: #333333;
  --font-body: "Pretendard", sans-serif;
  --font-mono: var(--font-body);
  --type-xs: 0.75rem;
  --type-sm: 0.875rem;
  --type-md: 1rem;
  --type-lg: 1.25rem;
  --type-xl: 1.75rem;
  --type-2xl: 2.25rem;
  --type-display: clamp(2.25rem, 5.5vw, 4rem);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;
  --content-width: 1120px;
  --reading-width: 68ch;
  --radius-button: 6px;
  --radius-card: 12px;
  --focus-outline: 3px solid #005fcc;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --color-canvas: #111418;
    --color-surface: #1b2128;
    --color-ink: #f2f4f7;
    --color-body: #d2d8df;
    --color-muted: #aab4bf;
    --color-line: #39434f;
    --color-accent: #78b7ff;
    --color-accent-wash: #172c42;
    --color-accent-deep: #a4caff;
    --color-ink-hover: #dbe2ea;
    --focus-outline: 3px solid #83bfff;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--type-md);
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: break-word;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

:where(button, input, select, textarea, code, pre, kbd, samp) {
  font-family: var(--font-body);
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover {
  color: var(--color-accent-deep);
}

a:focus-visible,
summary:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 4px;
}

.page-width {
  width: min(calc(100% - var(--space-12)), var(--content-width));
  margin-inline: auto;
}

.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;
}

.skip-link {
  position: absolute;
  z-index: 10;
  inset-block-start: var(--space-2);
  inset-inline-start: var(--space-2);
  padding: var(--space-3) var(--space-4);
  transform: translateY(-160%);
  border-radius: var(--radius-button);
  background: var(--color-ink);
  color: var(--color-surface);
}

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

.site-header {
  position: sticky;
  z-index: 5;
  inset-block-start: 0;
  border-block-end: 1px solid var(--color-line);
  background: var(--color-canvas);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.wordmark {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: var(--space-2);
  color: var(--color-ink);
  text-decoration: none;
}

.wordmark-name {
  font-size: var(--type-md);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.wordmark-divider,
.wordmark-label {
  color: var(--color-muted);
}

.wordmark-label,
.mono-label,
.eyebrow,
.case-category,
.case-period,
.case-number,
.map-index,
.map-footer,
.experience-date,
.other-grid time {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  letter-spacing: 0.045em;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(var(--space-3), 2.4vw, var(--space-8));
}

.primary-nav a {
  color: var(--color-body);
  font-size: var(--type-sm);
  font-weight: 500;
  text-decoration: none;
}

.primary-nav a:hover {
  color: var(--color-accent);
}

.primary-nav .nav-cv {
  color: var(--color-ink);
  font-weight: 600;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  align-items: center;
  gap: clamp(var(--space-8), 7vw, var(--space-16));
  padding-block: clamp(var(--space-16), 11vw, var(--space-24));
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-6);
  color: var(--color-muted);
  font-weight: 600;
}

.eyebrow-dot,
.map-live span {
  width: var(--space-2);
  height: var(--space-2);
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-accent);
}

.hero-description {
  max-width: var(--reading-width);
  margin: var(--space-6) 0 0;
  color: var(--color-body);
  font-size: var(--type-lg);
  line-height: 1.75;
}

.hero-actions,
.about-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-block-start: var(--space-8);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-button);
  font-size: var(--type-sm);
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

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

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

.button-secondary {
  border-color: var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink);
}

.button-secondary:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin-block-start: var(--space-8);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--type-xs);
}

.hero-meta span + span::before {
  margin-inline-end: var(--space-4);
  color: var(--color-line);
  content: "/";
}

.hero-map {
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.map-heading,
.map-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.map-heading {
  padding-block-end: var(--space-4);
}

.mono-label {
  color: var(--color-muted);
}

.map-live {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
}

.map-live span {
  width: var(--space-2);
  height: var(--space-2);
}

.map-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-4);
  border-block-start: 1px solid var(--color-line);
}

.map-index {
  color: var(--color-accent);
}

.map-row strong {
  display: block;
  font-size: var(--type-md);
  letter-spacing: -0.025em;
}

.map-row p {
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--type-xs);
}

.map-arrow {
  color: var(--color-muted);
  font-size: var(--type-lg);
}

.map-footer {
  padding-block-start: var(--space-4);
  border-block-start: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 0.625rem;
}

.section-band {
  background: var(--color-surface);
}

.work-section {
  padding-block: var(--space-24);
  border-block: 1px solid var(--color-line);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
  margin-block-end: var(--space-12);
}

.section-kicker {
  margin-block-end: var(--space-3);
}

.section-kicker span {
  margin-inline-start: var(--space-2);
  color: var(--color-accent);
}

.section-heading h2,
.about-inner h2 {
  margin: 0;
  font-size: clamp(var(--type-xl), 3.5vw, 2.5rem);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 1.3;
}

.section-intro {
  max-width: 44ch;
  margin: 0;
  color: var(--color-muted);
  font-size: var(--type-sm);
}

.case-list {
  border-block-start: 1px solid var(--color-line);
}

.case-card {
  padding-block: var(--space-8);
  border-block-end: 1px solid var(--color-line);
}

.case-topline {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-muted);
}

.case-number {
  color: var(--color-accent);
}

.case-category {
  color: var(--color-ink);
  font-weight: 600;
}

.case-period {
  margin-inline-start: auto;
  text-align: end;
}

.case-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 0.4fr);
  align-items: start;
  gap: var(--space-8);
  padding-block: var(--space-6);
}

.case-title-block h3 {
  margin: 0;
  font-size: clamp(var(--type-lg), 2.5vw, var(--type-xl));
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.4;
}

.case-summary {
  max-width: var(--reading-width);
  margin: var(--space-3) 0 0;
  color: var(--color-body);
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  padding-block-start: var(--space-1);
}

.case-tags span {
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-button);
  background: var(--color-accent-wash);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  line-height: 1.5;
}

.case-details {
  border-block-start: 1px solid var(--color-line);
}

.case-details summary {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--color-ink);
  cursor: pointer;
  font-size: var(--type-sm);
  font-weight: 600;
  list-style: none;
}

.case-details summary::-webkit-details-marker {
  display: none;
}

.case-details summary:hover {
  color: var(--color-accent);
}

.summary-mark {
  position: relative;
  width: var(--space-4);
  height: var(--space-4);
  flex: 0 0 auto;
}

.summary-mark::before,
.summary-mark::after {
  position: absolute;
  inset-block-start: 7px;
  inset-inline-start: 1px;
  width: 14px;
  height: 2px;
  background: currentColor;
  content: "";
  transition: transform 160ms ease;
}

.summary-mark::after {
  transform: rotate(90deg);
}

.case-details[open] .summary-mark::after {
  transform: rotate(0deg);
}

.case-detail-content {
  padding-block: var(--space-2) var(--space-6);
  color: var(--color-body);
}

.case-detail-content > p {
  max-width: var(--reading-width);
  margin: 0;
}

.flow-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
  margin-block: var(--space-6);
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
}

.flow-row div {
  display: grid;
  gap: var(--space-2);
}

.flow-row div span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--type-xs);
}

.flow-row div strong {
  color: var(--color-ink);
  font-size: var(--type-sm);
  line-height: 1.5;
}

.flow-arrow {
  color: var(--color-muted);
}

.case-result {
  display: flex;
  gap: var(--space-3);
  padding-inline-start: var(--space-4);
  border-inline-start: 2px solid var(--color-accent);
}

.case-result strong {
  flex: 0 0 auto;
  color: var(--color-ink);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-block: var(--space-6);
}

.metric-row div {
  display: flex;
  min-height: 144px;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
}

.metric-row strong {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--type-2xl);
  letter-spacing: -0.06em;
  line-height: 1;
}

.metric-row span {
  color: var(--color-body);
  font-size: var(--type-xs);
  line-height: 1.6;
}

.case-detail-content .evidence-note {
  color: var(--color-muted);
  font-size: var(--type-xs);
}

.case-resources {
  margin-block: 0 var(--space-4);
}

.research-hero {
  padding-block: var(--space-12) var(--space-16);
}

.research-back-link {
  margin-block-end: var(--space-8);
}

.research-hero .eyebrow {
  margin-block-end: var(--space-4);
}

.research-title {
  max-width: 24ch;
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1.2;
}

.research-authors {
  margin: var(--space-6) 0 0;
  color: var(--color-ink);
  font-weight: 600;
}

.research-affiliation {
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-size: var(--type-sm);
}

.research-lead {
  max-width: var(--reading-width);
  margin: var(--space-6) 0 0;
  color: var(--color-body);
  font-size: var(--type-lg);
  line-height: 1.75;
}

.research-actions {
  margin-block-start: var(--space-6);
}

.research-overview {
  padding-block: var(--space-16);
  border-block: 1px solid var(--color-line);
}

.research-overview-heading {
  align-items: flex-end;
  margin-block-end: var(--space-8);
}

.research-overview-heading h2 {
  max-width: 28ch;
}

.research-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.research-metric {
  display: flex;
  min-width: 0;
  min-height: 156px;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
}

.research-metric-label,
.research-tradeoffs span {
  color: var(--color-muted);
  font-size: var(--type-xs);
}

.research-metric strong {
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.3vw, 1.8rem);
  letter-spacing: -0.065em;
  line-height: 1.25;
}

.research-metric strong small {
  font-size: var(--type-xs);
  letter-spacing: 0;
}

.research-metric p {
  margin: 0;
  color: var(--color-body);
  font-size: var(--type-xs);
}

.research-content {
  padding-block: var(--space-8) var(--space-16);
}

.research-section {
  display: grid;
  grid-template-columns: minmax(120px, 0.26fr) minmax(0, 1fr);
  gap: var(--space-8);
  padding-block: var(--space-8);
  border-block-end: 1px solid var(--color-line);
}

.research-section-label {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-block-start: var(--space-2);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  letter-spacing: 0.045em;
}

.research-section-label span:first-child {
  color: var(--color-accent);
}

.research-section-copy h2 {
  margin: 0;
  font-size: clamp(var(--type-lg), 2.5vw, var(--type-xl));
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.4;
}

.research-section-copy > p {
  max-width: 76ch;
  margin: var(--space-4) 0 0;
  color: var(--color-body);
}

.research-methods {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-block-start: var(--space-6);
}

.research-method {
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.research-method-index {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.035em;
}

.research-method h3 {
  margin: var(--space-3) 0 0;
  color: var(--color-ink);
  font-size: var(--type-md);
  font-weight: 650;
  letter-spacing: -0.025em;
}

.research-method p {
  margin: var(--space-2) 0 0;
  color: var(--color-body);
  font-size: var(--type-sm);
  line-height: 1.65;
}

.research-tradeoffs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-block-start: var(--space-6);
}

.research-tradeoffs > div {
  display: flex;
  min-height: 148px;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
}

.research-tradeoffs strong {
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: var(--type-xl);
  letter-spacing: -0.055em;
  line-height: 1.2;
}

.research-tradeoffs p {
  margin: 0;
  color: var(--color-body);
  font-size: var(--type-xs);
  line-height: 1.6;
}

.research-section-copy .research-note {
  max-width: 76ch;
  padding-inline-start: var(--space-4);
  border-inline-start: 2px solid var(--color-accent);
  color: var(--color-muted);
  font-size: var(--type-sm);
}

.research-conditions {
  display: grid;
  margin: var(--space-6) 0 0;
  border-block-start: 1px solid var(--color-line);
}

.research-conditions div {
  display: grid;
  grid-template-columns: minmax(120px, 0.32fr) minmax(0, 1fr);
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-block-end: 1px solid var(--color-line);
}

.research-conditions dt {
  color: var(--color-ink);
  font-size: var(--type-sm);
  font-weight: 600;
}

.research-conditions dd {
  margin: 0;
  color: var(--color-body);
  font-size: var(--type-sm);
}

.research-limitations {
  display: grid;
  gap: var(--space-3);
  max-width: 76ch;
  margin: var(--space-4) 0 0;
  padding-inline-start: 1.25rem;
  color: var(--color-body);
}

.research-limitations li::marker {
  color: var(--color-accent);
}

.research-paper-end {
  border-block: 1px solid var(--color-line);
}

.research-paper-end-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding-block: var(--space-12);
}

.research-paper-end-inner h2 {
  max-width: 34ch;
  margin: 0;
  font-size: clamp(var(--type-lg), 2.5vw, var(--type-xl));
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.4;
}

.research-paper-end .research-actions {
  flex: 0 0 auto;
  margin-block-start: 0;
}

.experience-section {
  padding-block: var(--space-24);
}

.experience-heading {
  margin-block-end: var(--space-12);
}

.experience-timeline {
  border-block-start: 1px solid var(--color-line);
}

.experience-entry {
  display: grid;
  grid-template-columns: minmax(150px, 0.32fr) minmax(0, 1fr);
  gap: var(--space-8);
  padding-block: var(--space-6);
  border-block-end: 1px solid var(--color-line);
}

.experience-date {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  align-content: start;
  gap: var(--space-2);
  padding-block-start: var(--space-1);
  color: var(--color-muted);
}

.experience-body h3 {
  margin: 0;
  font-size: var(--type-lg);
  font-weight: 650;
  letter-spacing: -0.035em;
}

.experience-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-3);
}

.role-label {
  color: var(--color-muted);
  font-size: var(--type-sm);
}

.experience-subtitle {
  margin: var(--space-1) 0 0;
  color: var(--color-accent-deep);
  font-size: var(--type-sm);
  font-weight: 600;
}

.experience-body > p:not(.experience-subtitle) {
  max-width: var(--reading-width);
  margin: var(--space-3) 0 0;
  color: var(--color-body);
  font-size: var(--type-sm);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--type-sm);
  font-weight: 600;
  text-decoration: none;
}

.experience-body > .text-link,
.related-links {
  margin-block-start: var(--space-3);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.other-experiences {
  padding-block-start: var(--space-12);
}

.other-experiences > h3 {
  margin: 0 0 var(--space-6);
  font-size: var(--type-md);
  font-weight: 650;
}

.other-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.other-grid article {
  min-height: 168px;
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.other-grid time {
  color: var(--color-muted);
}

.other-grid h4 {
  margin: var(--space-3) 0 0;
  font-size: var(--type-md);
  font-weight: 650;
  letter-spacing: -0.025em;
}

.other-grid p {
  margin: var(--space-2) 0 0;
  color: var(--color-body);
  font-size: var(--type-sm);
}

.about-section {
  border-block: 1px solid var(--color-line);
  background: var(--color-surface);
}

.about-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: var(--space-16);
  padding-block: var(--space-24);
}

.about-inner h2 {
  font-size: clamp(var(--type-xl), 3vw, 2.25rem);
}

.about-copy > p {
  max-width: var(--reading-width);
  margin: 0;
  color: var(--color-body);
  font-size: var(--type-lg);
}

.education-note {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2) var(--space-4);
  margin-block-start: var(--space-8);
  padding-block: var(--space-4);
  border-block: 1px solid var(--color-line);
  font-size: var(--type-sm);
}

.education-note .mono-label {
  grid-column: 1 / -1;
}

.education-note strong {
  font-weight: 600;
}

.education-note > span:last-child {
  color: var(--color-muted);
  text-align: end;
}

.about-actions {
  margin-block-start: var(--space-6);
}

.site-footer {
  display: flex;
  min-height: 96px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--color-muted);
}

.footer-mark {
  flex: 0 0 auto;
}

.site-footer p {
  margin: 0;
  font-size: var(--type-xs);
}

.footer-top {
  flex: 0 0 auto;
  font-size: var(--type-sm);
  text-decoration: none;
}

@media (max-width: 900px) {
  .page-width {
    width: min(calc(100% - var(--space-8)), var(--content-width));
  }

  .hero-section {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-8);
  }

  .hero-map {
    max-width: 640px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-3);
  }

  .section-intro {
    max-width: 60ch;
  }

  .case-main {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  .case-tags {
    justify-content: flex-start;
  }

  .other-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .research-methods,
  .research-tradeoffs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .research-method:last-child,
  .research-tradeoffs > div:last-child {
    grid-column: 1 / -1;
  }

  .research-paper-end-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-4);
  }

  .about-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-8);
  }
}

@media (max-width: 540px) {
  html {
    scroll-padding-top: 72px;
  }

  .page-width {
    width: min(calc(100% - var(--space-6)), var(--content-width));
  }

  .header-inner {
    min-height: 72px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-1);
    padding-block: var(--space-2);
  }

  .primary-nav {
    width: 100%;
    justify-content: space-between;
    gap: var(--space-2);
  }

  .primary-nav a {
    font-size: 0.8125rem;
  }

  .hero-section,
  .work-section,
  .experience-section,
  .about-inner {
    padding-block: var(--space-12);
  }

  .hero-description {
    font-size: var(--type-md);
  }

  .hero-map {
    padding: var(--space-4);
  }

  .map-row {
    grid-template-columns: 28px minmax(0, 1fr) auto;
  }

  .map-footer {
    font-size: 0.5625rem;
  }

  .case-topline {
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-3);
  }

  .case-period {
    width: 100%;
    margin-inline-start: 0;
    text-align: start;
  }

  .case-title-block h3 {
    font-size: var(--type-lg);
  }

  .desktop-break {
    display: none;
  }

  .flow-row {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
    padding: var(--space-4);
  }

  .flow-row div {
    grid-template-columns: minmax(84px, 0.7fr) minmax(0, 1.3fr);
    align-items: center;
  }

  .flow-arrow {
    justify-self: center;
    transform: rotate(90deg);
  }

  .metric-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .metric-row div {
    min-height: auto;
    flex-direction: row;
    align-items: center;
  }

  .research-title {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }

  .research-lead {
    font-size: var(--type-md);
  }

  .research-overview {
    padding-block: var(--space-12);
  }

  .research-metrics,
  .research-methods,
  .research-tradeoffs {
    grid-template-columns: minmax(0, 1fr);
  }

  .research-metric {
    min-height: 132px;
  }

  .research-method:last-child,
  .research-tradeoffs > div:last-child {
    grid-column: auto;
  }

  .research-section {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
    padding-block: var(--space-6);
  }

  .research-section-label {
    flex-direction: row;
    gap: var(--space-2);
    padding-block-start: 0;
  }

  .research-conditions div {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }

  .experience-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
  }

  .other-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .other-grid article {
    min-height: auto;
  }

  .education-note {
    grid-template-columns: minmax(0, 1fr);
  }

  .education-note .mono-label {
    grid-column: auto;
  }

  .education-note > span:last-child {
    text-align: start;
  }

  .site-footer {
    min-height: 112px;
    flex-wrap: wrap;
    justify-content: space-between;
    padding-block: var(--space-4);
  }

  .site-footer p {
    order: 1;
    width: 100%;
  }
}

@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;
  }
}