:root {
  --paper: #ffffff;
  --paper-tint: #f5f8fa;
  --ink: #17232d;
  --ink-soft: #344552;
  --muted: #687782;
  --line: #d6dfe5;
  --line-strong: #aebbc4;
  --cobalt: #1d5b8f;
  --cobalt-dark: #15476f;
  --signal: #9e4c35;
  --serif: "STIX Two Text", "Noto Serif SC", "Songti SC", Georgia, serif;
  --sans: "IBM Plex Sans", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --page: min(1180px, calc(100vw - 56px));
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

::selection {
  color: var(--paper);
  background: var(--cobalt);
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--cobalt) 75%, white);
  outline-offset: 4px;
}

.page-shell,
.nav-shell {
  width: var(--page);
  margin-inline: auto;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.wordmark span:first-child {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.wordmark span:last-child {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
}

.primary-nav a {
  position: relative;
  color: var(--ink-soft);
  text-decoration: none;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--cobalt);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

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

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

.primary-nav .nav-contact {
  padding: 7px 13px;
  color: var(--paper);
  background: var(--ink);
}

.primary-nav .nav-contact::after {
  display: none;
}

.primary-nav .nav-contact:hover {
  color: var(--paper);
  background: var(--cobalt-dark);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle i,
.nav-toggle i::before {
  display: block;
  width: 18px;
  height: 1px;
  content: "";
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle i::before {
  transform: translateY(5px);
}

.nav-toggle[aria-expanded="true"] i {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] i::before {
  transform: rotate(-90deg);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: clamp(56px, 8vw, 118px);
  align-items: start;
  min-height: calc(100vh - var(--header-height));
  padding-top: clamp(72px, 10vw, 132px);
  padding-bottom: clamp(84px, 11vw, 146px);
}

.hero::after {
  position: absolute;
  right: -38px;
  bottom: 26px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  content: "conformation / interaction / phenotype";
  writing-mode: vertical-rl;
}

.section-tag,
.metadata-label,
.project-year,
.project-kind,
.research-question,
.scale-index,
.trajectory-date {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.115em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-tag {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 27px;
  color: var(--cobalt);
}

.section-tag::before {
  width: 28px;
  height: 1px;
  content: "";
  background: currentColor;
}

.hero h1 {
  max-width: 790px;
  margin-bottom: 32px;
  font-family: var(--serif);
  font-size: clamp(64px, 8.2vw, 116px);
  font-weight: 500;
  letter-spacing: -0.052em;
  line-height: 0.88;
}

.hero h1 span {
  color: var(--cobalt);
  font-style: italic;
  font-weight: 400;
}

.hero-statement {
  max-width: 720px;
  margin-bottom: 31px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(21px, 2.15vw, 29px);
  line-height: 1.38;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 25px;
  margin-bottom: clamp(58px, 8vw, 92px);
}

.text-button {
  display: inline-flex;
  align-items: center;
  gap: 19px;
  padding: 12px 17px;
  color: var(--paper);
  background: var(--cobalt);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.text-button span {
  transition: transform 180ms ease;
}

.text-button:hover {
  background: var(--cobalt-dark);
}

.text-button:hover span {
  transform: translateX(4px);
}

.quiet-link {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
}

.quiet-link:hover {
  color: var(--cobalt);
}

.current-role {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 26px;
  max-width: 610px;
  padding-top: 21px;
  border-top: 1px solid var(--line-strong);
}

.current-role .metadata-label {
  margin: 4px 0 0;
  color: var(--muted);
}

.current-role p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.current-role strong {
  color: var(--ink);
  font-weight: 600;
}

.profile-panel {
  padding-top: 4px;
}

.profile-panel figure {
  margin-bottom: 0;
}

.profile-panel img {
  width: 100%;
  aspect-ratio: 4 / 4.38;
  border: 1px solid var(--line);
  object-fit: cover;
  object-position: center 20%;
  filter: saturate(0.86) contrast(1.02);
}

.profile-panel figcaption {
  padding: 10px 0 13px;
  border-bottom: 1px solid var(--ink);
  font-family: var(--serif);
  font-size: 17px;
}

.profile-details {
  margin-bottom: 0;
}

.profile-details div {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.45;
}

.profile-details dt {
  color: var(--muted);
}

.profile-details dd {
  min-width: 0;
  overflow-wrap: anywhere;
}

.profile-details a:hover {
  color: var(--cobalt);
}

.research-scale {
  color: var(--paper);
  background: var(--ink);
}

.research-scale .page-shell {
  display: grid;
  grid-template-columns: 0.72fr 1.6fr;
  gap: clamp(50px, 8vw, 118px);
  padding-top: 57px;
  padding-bottom: 62px;
}

.scale-heading .metadata-label {
  margin-bottom: 17px;
  color: #9fb4c2;
}

.scale-heading h2 {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(25px, 2.7vw, 36px);
  font-weight: 400;
  line-height: 1.25;
}

.scale-sequence {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.scale-sequence li {
  position: relative;
  padding: 0 27px 0 0;
}

.scale-sequence li:not(:last-child) {
  margin-right: 27px;
  border-right: 1px solid #40515d;
}

.scale-sequence li:not(:last-child)::after {
  position: absolute;
  top: 29px;
  right: -5px;
  width: 9px;
  height: 9px;
  border-top: 1px solid #78909f;
  border-right: 1px solid #78909f;
  content: "";
  transform: rotate(45deg);
}

.scale-index {
  display: block;
  margin-bottom: 12px;
  color: #9fb4c2;
}

.scale-sequence h3 {
  margin-bottom: 9px;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
}

.scale-sequence p {
  margin-bottom: 0;
  color: #bdc9d0;
  font-size: 13px;
  line-height: 1.55;
}

.section {
  padding-top: clamp(92px, 11vw, 148px);
  padding-bottom: clamp(92px, 11vw, 148px);
}

.section-tinted {
  background: var(--paper-tint);
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(135px, 0.52fr) minmax(0, 1.5fr);
  gap: clamp(42px, 7vw, 105px);
  align-items: start;
  margin-bottom: clamp(54px, 7vw, 86px);
}

.section-intro > .section-tag {
  margin-top: 10px;
  margin-bottom: 0;
}

.section-intro > div {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(230px, 0.75fr);
  gap: clamp(38px, 6vw, 80px);
  align-items: end;
}

.section-intro h2 {
  max-width: 720px;
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 5vw, 69px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.section-intro > div > p {
  margin-bottom: 1px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.65;
}

.research-lines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.research-lines article {
  display: flex;
  flex-direction: column;
  min-height: 360px;
  padding: 28px clamp(23px, 3.2vw, 42px) 29px 0;
}

.research-lines article:not(:last-child) {
  margin-right: clamp(23px, 3.2vw, 42px);
  border-right: 1px solid var(--line);
}

.research-question {
  margin-bottom: 43px;
  color: var(--cobalt);
}

.research-lines h3 {
  margin-bottom: 23px;
  font-family: var(--serif);
  font-size: clamp(24px, 2.3vw, 31px);
  font-weight: 500;
  line-height: 1.18;
}

.research-lines h3 + p {
  margin-bottom: 31px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.method-line {
  margin-top: auto;
  margin-bottom: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.035em;
  line-height: 1.5;
  text-transform: uppercase;
}

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

.project-row {
  display: grid;
  grid-template-columns: 145px minmax(240px, 0.83fr) minmax(290px, 1.12fr) 112px;
  gap: 30px;
  align-items: start;
  padding: 31px 0 34px;
  border-bottom: 1px solid var(--line-strong);
}

.project-row-featured {
  border-top: 4px solid var(--cobalt);
}

.project-key p {
  margin-bottom: 0;
}

.project-year {
  margin-bottom: 8px !important;
  color: var(--cobalt);
  font-size: 14px;
}

.project-kind {
  color: var(--muted);
  font-size: 9px;
}

.project-main h3 {
  margin-bottom: 5px;
  font-family: var(--serif);
  font-size: 29px;
  font-weight: 500;
  line-height: 1.15;
}

.project-main p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.35;
}

.project-detail {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.project-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  font-size: 12px;
  font-weight: 500;
}

.project-links a:hover {
  color: var(--cobalt);
}

.section-action {
  margin: 44px 0 0;
  text-align: right;
}

.publication-list {
  min-height: 90px;
}

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

.publication-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 154px;
  gap: 30px;
  padding: 27px 0 29px;
  border-bottom: 1px solid var(--line);
}

.publication-item-year {
  margin-bottom: 0;
  color: var(--cobalt);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
}

.publication-item h3 {
  max-width: 780px;
  margin-bottom: 7px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.3;
}

.publication-item h3 a {
  text-decoration: none;
  background-image: linear-gradient(var(--cobalt), var(--cobalt));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0 1px;
  transition: color 180ms ease, background-size 180ms ease;
}

.publication-item h3 a:hover {
  color: var(--cobalt);
  background-size: 100% 1px;
}

.publication-authors {
  margin-bottom: 5px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.55;
}

.self-author {
  color: var(--ink);
  font-weight: 600;
}

.publication-venue {
  margin-bottom: 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 13px;
  font-style: italic;
}

.publication-topic {
  justify-self: end;
  margin: 4px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.07em;
  line-height: 1.45;
  text-align: right;
  text-transform: uppercase;
}

.loading-note,
.publication-status,
.noscript-note {
  color: var(--muted);
  font-size: 13px;
}

.loading-note {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

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

.trajectory-list li {
  display: grid;
  grid-template-columns: 145px minmax(270px, 0.82fr) minmax(290px, 1fr);
  gap: 30px;
  align-items: start;
  padding: 30px 0 33px;
  border-bottom: 1px solid var(--line-strong);
}

.trajectory-date {
  margin-bottom: 0;
  color: var(--cobalt);
}

.trajectory-list h3 {
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
  line-height: 1.2;
}

.trajectory-list div p,
.trajectory-list li > p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.trajectory-list li > p:last-child {
  line-height: 1.65;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(135px, 0.52fr) minmax(320px, 1.06fr) minmax(180px, 0.44fr);
  gap: clamp(42px, 7vw, 105px);
  align-items: start;
  padding-top: clamp(88px, 10vw, 134px);
  padding-bottom: clamp(88px, 10vw, 134px);
}

.contact-section > .section-tag {
  margin-top: 10px;
  margin-bottom: 0;
}

.contact-section h2 {
  margin-bottom: 24px;
  font-family: var(--serif);
  font-size: clamp(40px, 4.5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
}

.contact-section div > p {
  max-width: 620px;
  margin-bottom: 31px;
  color: var(--ink-soft);
}

.contact-email {
  display: inline-flex;
  gap: 22px;
  align-items: center;
  color: var(--cobalt);
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 500;
}

.contact-email:hover {
  color: var(--cobalt-dark);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 10px;
  font-size: 13px;
}

.contact-links a:hover {
  color: var(--cobalt);
}

.site-footer {
  color: #c7d1d7;
  background: var(--ink);
}

.site-footer .page-shell {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 30px;
  padding-top: 25px;
  padding-bottom: 25px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer a {
  color: inherit;
}

.page-heading {
  padding-top: clamp(78px, 10vw, 126px);
  padding-bottom: clamp(61px, 8vw, 96px);
  border-bottom: 1px solid var(--ink);
}

.page-heading h1 {
  margin-bottom: 35px;
  font-family: var(--serif);
  font-size: clamp(70px, 10vw, 138px);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.8;
}

.page-heading-copy {
  display: grid;
  grid-template-columns: minmax(0, 680px) auto;
  gap: 40px;
  align-items: end;
  justify-content: space-between;
}

.page-heading-copy p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(19px, 2vw, 25px);
  line-height: 1.45;
}

.publication-browser {
  padding-top: 39px;
  padding-bottom: clamp(95px, 11vw, 150px);
}

.publication-controls {
  display: flex;
  gap: 30px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 25px;
  border-bottom: 1px solid var(--line);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.filter-button {
  padding: 7px 11px;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  background: var(--paper);
  font-size: 12px;
  cursor: pointer;
}

.filter-button:hover {
  border-color: var(--cobalt);
  color: var(--cobalt);
}

.filter-button.is-active {
  border-color: var(--ink);
  color: var(--paper);
  background: var(--ink);
}

.publication-search {
  display: flex;
  gap: 9px;
  align-items: center;
  width: min(360px, 100%);
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
}

.publication-search:focus-within {
  border-color: var(--cobalt);
  color: var(--cobalt);
}

.publication-search input {
  width: 100%;
  padding: 9px 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 13px;
}

.publication-search input::placeholder {
  color: #87939b;
}

.publication-status {
  margin: 16px 0 38px;
}

.publication-layout {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: clamp(40px, 7vw, 91px);
  align-items: start;
}

.year-rail {
  position: sticky;
  top: calc(var(--header-height) + 34px);
}

.year-rail .metadata-label {
  margin-bottom: 15px;
  color: var(--muted);
}

.year-rail nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.year-rail a {
  display: inline-grid;
  grid-template-columns: 37px 1fr;
  gap: 9px;
  align-items: center;
  padding: 4px 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  text-decoration: none;
}

.year-rail a::before {
  width: 14px;
  height: 1px;
  content: "";
  background: var(--line-strong);
  transition: width 180ms ease, background 180ms ease;
}

.year-rail a:hover,
.year-rail a[aria-current="true"] {
  color: var(--cobalt);
}

.year-rail a:hover::before,
.year-rail a[aria-current="true"]::before {
  width: 37px;
  background: var(--cobalt);
}

.publication-year {
  scroll-margin-top: calc(var(--header-height) + 28px);
  border-top: 1px solid var(--ink);
}

.publication-year + .publication-year {
  margin-top: 62px;
}

.publication-year-heading {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 30px;
  align-items: baseline;
  padding: 14px 0 3px;
}

.publication-year-heading h2 {
  margin-bottom: 0;
  color: var(--cobalt);
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.publication-year-heading p {
  margin-bottom: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.publication-list-full .publication-item:last-child {
  border-color: var(--line-strong);
}

.empty-state {
  padding: 43px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--serif);
  font-size: 20px;
}

.noscript-note {
  margin-top: 30px;
}

/* Dense academic dossier — a compact reading rhythm for the research record. */
:root {
  --page: min(1200px, calc(100vw - 48px));
  --header-height: 64px;
}

body {
  font-size: 16px;
  line-height: 1.55;
}

.wordmark span:first-child {
  font-size: 21px;
}

.primary-nav {
  gap: 25px;
  font-size: 13px;
}

.primary-nav .nav-contact {
  padding: 6px 12px;
}

.hero {
  grid-template-columns: minmax(0, 1fr) 286px;
  gap: clamp(48px, 7vw, 92px);
  min-height: 0;
  padding-top: clamp(42px, 5.5vw, 68px);
  padding-bottom: clamp(48px, 6vw, 74px);
}

.hero::after {
  content: "encode / navigate / decode";
}

.section-tag {
  margin-bottom: 18px;
}

.hero h1 {
  margin-bottom: 22px;
  font-size: clamp(58px, 6.8vw, 86px);
  line-height: 0.91;
}

.hero-statement {
  margin-bottom: 22px;
  font-size: clamp(18px, 1.8vw, 23px);
  line-height: 1.4;
}

.hero-actions {
  gap: 20px;
  margin-bottom: clamp(30px, 4vw, 44px);
}

.text-button {
  gap: 15px;
  padding: 9px 14px;
  font-size: 13px;
}

.quiet-link {
  font-size: 13px;
}

.current-role {
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 20px;
  padding-top: 14px;
}

.current-role p:last-child {
  font-size: 14px;
  line-height: 1.45;
}

.profile-panel {
  padding-top: 2px;
}

.profile-panel img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center;
}

.profile-panel figcaption {
  padding: 8px 0 10px;
  font-size: 16px;
}

.profile-details div {
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  font-size: 12px;
  line-height: 1.4;
}

.research-scale .page-shell {
  grid-template-columns: 0.65fr 1.7fr;
  gap: clamp(42px, 6vw, 78px);
  padding-top: 36px;
  padding-bottom: 40px;
}

.scale-heading .metadata-label {
  margin-bottom: 11px;
}

.scale-heading h2 {
  font-size: clamp(23px, 2.35vw, 30px);
}

.scale-sequence li {
  padding-right: 20px;
}

.scale-sequence li:not(:last-child) {
  margin-right: 20px;
}

.scale-index {
  margin-bottom: 8px;
}

.scale-sequence h3 {
  margin-bottom: 6px;
  font-size: 21px;
}

.scale-sequence p {
  font-size: 12px;
  line-height: 1.5;
}

.section {
  padding-top: clamp(56px, 6vw, 72px);
  padding-bottom: clamp(56px, 6vw, 72px);
}

.section-intro {
  grid-template-columns: minmax(125px, 0.42fr) minmax(0, 1.58fr);
  gap: clamp(34px, 5vw, 64px);
  margin-bottom: clamp(32px, 4vw, 46px);
}

.section-intro > div {
  grid-template-columns: minmax(0, 1.18fr) minmax(230px, 0.82fr);
  gap: clamp(30px, 4vw, 52px);
}

.section-intro h2 {
  font-size: clamp(36px, 4vw, 50px);
  line-height: 1;
}

.section-intro > div > p {
  font-size: 14px;
  line-height: 1.55;
}

.ouroboros-dossier {
  padding-top: clamp(54px, 5.5vw, 68px);
  padding-bottom: clamp(54px, 5.5vw, 68px);
}

.dossier-header {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--ink);
}

.dossier-kicker .section-tag {
  margin-bottom: 13px;
}

.dossier-citation {
  margin-bottom: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  line-height: 1.45;
  text-transform: uppercase;
}

.dossier-title h2 {
  margin-bottom: 10px;
  font-family: var(--serif);
  font-size: clamp(47px, 5.4vw, 66px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.dossier-deck {
  max-width: 930px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.43;
}

.dossier-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 14px;
  font-size: 12px;
  font-weight: 500;
}

.dossier-links a:hover {
  color: var(--cobalt);
}

.dossier-architecture {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--ink);
}

.dossier-architecture article {
  padding: 20px clamp(19px, 2.4vw, 30px) 22px 0;
}

.dossier-architecture article:not(:last-child) {
  margin-right: clamp(19px, 2.4vw, 30px);
  border-right: 1px solid var(--line);
}

.dossier-architecture .research-question {
  margin-bottom: 13px;
  color: var(--cobalt);
}

.dossier-architecture h3 {
  margin-bottom: 8px;
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 500;
  line-height: 1.18;
}

.dossier-architecture article > p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.52;
}

.lineage-module {
  display: grid;
  grid-template-columns: minmax(330px, 0.86fr) minmax(0, 1.64fr);
  margin-top: 26px;
  border-top: 3px solid var(--cobalt);
  border-bottom: 1px solid var(--ink);
}

.lineage-copy {
  padding: 20px 0;
  padding-inline-end: clamp(21px, 2.5vw, 30px);
  border-inline-end: 1px solid var(--line);
}

.lineage-copy > .metadata-label,
.engine-copy > .metadata-label {
  margin-bottom: 10px;
  color: var(--cobalt);
}

.lineage-copy > h3,
.engine-copy > h3 {
  margin-bottom: 10px;
  font-family: var(--serif);
  font-size: clamp(24px, 2.45vw, 31px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.lineage-intro,
.engine-copy > p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.52;
}

.lineage-comparison {
  margin-top: 17px;
  border-top: 1px solid var(--line-strong);
}

.lineage-comparison article {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 5px 14px;
  padding: 12px 0 13px;
}

.lineage-comparison article + article {
  border-top: 1px solid var(--line);
}

.lineage-model {
  grid-row: 1 / 4;
  margin: 2px 0 0;
  color: var(--cobalt);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lineage-comparison h4 {
  margin: 0;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.2;
}

.lineage-comparison article > p:not(.lineage-model) {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.43;
}

.lineage-validation span {
  color: var(--ink);
  font-weight: 600;
}

.research-figure {
  margin: 0;
}

.research-figure a {
  display: block;
}

.research-figure a:focus-visible {
  outline: 2px solid var(--cobalt);
  outline-offset: 4px;
}

.research-figure img {
  display: block;
  width: 100%;
  height: auto;
  background-color: var(--paper);
  object-fit: contain;
}

.research-figure figcaption,
.engine-mark figcaption {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.02em;
  line-height: 1.45;
}

.lineage-figure {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 17px 0 13px;
  padding-inline-start: clamp(21px, 2.5vw, 30px);
}

.lineage-figure figcaption {
  margin-top: 8px;
}

.engine-module {
  margin-top: 26px;
  border-top: 3px solid var(--cobalt);
  border-bottom: 1px solid var(--ink);
}

.engine-overview {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  border-bottom: 1px solid var(--line-strong);
  background: linear-gradient(90deg, var(--paper-tint), color-mix(in srgb, var(--paper-tint) 50%, white));
}

.engine-mark {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0;
  padding: 15px 22px 14px;
  border-inline-end: 1px solid var(--line);
}

.engine-mark img {
  display: block;
  width: min(100%, 126px);
  height: auto;
  margin: 0 auto 7px;
}

.engine-mark figcaption {
  text-align: center;
}

.engine-copy {
  align-self: center;
  padding: 20px clamp(22px, 3vw, 34px) 22px;
}

.engine-copy > p:last-child {
  max-width: 900px;
  font-size: 14px;
}

.engine-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--ink);
  list-style: none;
}

.engine-flow li {
  position: relative;
  min-height: 126px;
  padding: 15px 20px 16px;
  padding-inline-start: 42px;
}

.engine-flow li:not(:last-child) {
  border-inline-end: 1px solid var(--line);
}

.engine-flow li:not(:last-child)::after {
  position: absolute;
  z-index: 1;
  inset-block-start: 13px;
  inset-inline-end: -8px;
  width: 15px;
  color: var(--cobalt);
  background: var(--paper);
  content: "→";
  font-size: 15px;
  line-height: 1;
  text-align: center;
}

.flow-index {
  position: absolute;
  inset-block-start: 17px;
  inset-inline-start: 14px;
  color: var(--cobalt);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.07em;
}

.engine-flow h4 {
  margin: 0 0 7px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.18;
}

.engine-flow p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.43;
}

.engine-module .evolution-grid {
  border-top: 0;
}

.application-figure {
  padding: 18px 0 14px;
}

.application-figure figcaption {
  margin-top: 8px;
}

.evolution-grid {
  display: grid;
  grid-template-columns: 1.12fr repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.evolution-heading,
.evolution-grid article {
  padding: 17px 18px 18px;
}

.evolution-heading {
  color: var(--paper);
  background: var(--ink);
}

.evolution-heading .metadata-label {
  margin-bottom: 8px;
  color: #a9bdca;
}

.evolution-heading > p:last-child {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.35;
}

.evolution-grid article {
  border-right: 1px solid var(--line);
}

.evolution-grid article:last-child {
  border-right: 0;
}

.evolution-grid h3 {
  margin-bottom: 6px;
  color: var(--cobalt-dark);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
}

.evolution-grid article p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.45;
}

.project-row {
  grid-template-columns: 120px minmax(240px, 0.9fr) minmax(280px, 1.1fr) 98px;
  gap: 24px;
  padding: 19px 0 21px;
}

.project-row-featured {
  border-top-width: 3px;
}

.project-year {
  margin-bottom: 6px !important;
  font-size: 12px;
}

.project-main h3 {
  margin-bottom: 3px;
  font-size: 24px;
}

.project-main p {
  font-size: 15px;
  line-height: 1.35;
}

.project-detail {
  font-size: 13px;
  line-height: 1.5;
}

.project-links {
  font-size: 11px;
}

.section-action {
  margin-top: 28px;
}

.publication-item {
  grid-template-columns: 76px minmax(0, 1fr) 132px;
  gap: 24px;
  padding: 18px 0 20px;
}

.publication-item h3 {
  margin-bottom: 5px;
  font-size: 19px;
  line-height: 1.28;
}

.publication-authors {
  margin-bottom: 3px;
  font-size: 12px;
  line-height: 1.45;
}

.publication-venue {
  font-size: 12px;
}

.trajectory-list li {
  grid-template-columns: 120px minmax(250px, 0.82fr) minmax(280px, 1fr);
  gap: 24px;
  padding: 19px 0 21px;
}

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

.trajectory-list div p,
.trajectory-list li > p:last-child {
  font-size: 13px;
}

.trajectory-list li > p:last-child {
  line-height: 1.5;
}

.contact-section {
  gap: clamp(34px, 5vw, 64px);
  padding-top: clamp(54px, 6vw, 72px);
  padding-bottom: clamp(54px, 6vw, 72px);
}

.contact-section h2 {
  margin-bottom: 16px;
  font-size: clamp(35px, 3.8vw, 48px);
}

.contact-section div > p {
  margin-bottom: 20px;
  font-size: 14px;
}

.contact-links {
  gap: 6px;
  font-size: 12px;
}

.site-footer .page-shell {
  padding-top: 18px;
  padding-bottom: 18px;
}

.page-heading {
  padding-top: clamp(48px, 6vw, 72px);
  padding-bottom: clamp(38px, 5vw, 58px);
}

.page-heading h1 {
  margin-bottom: 24px;
  font-size: clamp(58px, 7.5vw, 92px);
  line-height: 0.84;
}

.page-heading-copy p {
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.4;
}

.publication-browser {
  padding-top: 28px;
  padding-bottom: clamp(64px, 7vw, 86px);
}

.publication-controls {
  padding-bottom: 18px;
}

.publication-status {
  margin: 12px 0 26px;
}

.publication-layout {
  grid-template-columns: 112px minmax(0, 1fr);
  gap: clamp(32px, 5vw, 62px);
}

.publication-year + .publication-year {
  margin-top: 38px;
}

.publication-year-heading {
  grid-template-columns: 76px 1fr;
  gap: 24px;
  padding-top: 10px;
}

.publication-year-heading h2 {
  font-size: 36px;
}
@media (max-width: 1080px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 58px;
  }

  .hero::after {
    display: none;
  }

  .research-scale .page-shell {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .section-intro {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 50px;
  }

  .section-intro > div {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .project-row {
    grid-template-columns: 105px minmax(210px, 0.8fr) minmax(230px, 1fr) 80px;
    gap: 22px;
  }

  .contact-section {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 50px;
  }

  .contact-links {
    grid-column: 2;
    flex-flow: row wrap;
    padding-top: 0;
  }
}

@media (max-width: 820px) {
  :root {
    --page: min(100% - 36px, 680px);
    --header-height: 67px;
  }

  body {
    font-size: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: fixed;
    inset: var(--header-height) 0 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 38px 18px;
    background: var(--paper);
  }

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

  .primary-nav a {
    width: var(--page);
    margin-inline: auto;
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
    font-family: var(--serif);
    font-size: 25px;
  }

  .primary-nav a::after {
    display: none;
  }

  .primary-nav .nav-contact {
    margin-top: 24px;
    padding: 13px 16px;
    font-family: var(--sans);
    font-size: 15px;
    text-align: center;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 63px;
    min-height: auto;
    padding-top: 71px;
    padding-bottom: 83px;
  }

  .hero h1 {
    font-size: clamp(56px, 16vw, 88px);
  }

  .hero-statement {
    font-size: 21px;
  }

  .hero-actions {
    margin-bottom: 55px;
  }

  .profile-panel {
    display: grid;
    grid-template-columns: minmax(0, 0.75fr) minmax(190px, 1fr);
    gap: 30px;
    align-items: end;
  }

  .profile-panel figcaption {
    border-color: var(--line);
  }

  .scale-sequence {
    grid-template-columns: 1fr;
  }

  .scale-sequence li {
    padding: 22px 0;
  }

  .scale-sequence li:not(:last-child) {
    margin-right: 0;
    border-right: 0;
    border-bottom: 1px solid #40515d;
  }

  .scale-sequence li:not(:last-child)::after {
    top: auto;
    right: 6px;
    bottom: -5px;
    transform: rotate(135deg);
  }

  .section-intro,
  .contact-section {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .section-intro > .section-tag,
  .contact-section > .section-tag {
    margin-top: 0;
  }

  .section-intro > div {
    gap: 20px;
  }

  .research-lines {
    grid-template-columns: 1fr;
  }

  .research-lines article {
    min-height: 0;
    padding: 28px 0 31px;
  }

  .research-lines article:not(:last-child) {
    margin-right: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .research-question {
    margin-bottom: 26px;
  }

  .method-line {
    margin-top: 31px;
  }

  .project-row {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 17px 25px;
  }

  .project-detail,
  .project-links {
    grid-column: 2;
  }

  .project-links {
    flex-direction: row;
    gap: 20px;
  }

  .publication-item {
    grid-template-columns: 65px minmax(0, 1fr);
    gap: 22px;
  }

  .publication-topic {
    grid-column: 2;
    justify-self: start;
    text-align: left;
  }

  .trajectory-list li {
    grid-template-columns: 105px minmax(0, 1fr);
    gap: 17px 25px;
  }

  .trajectory-list li > p:last-child {
    grid-column: 2;
  }

  .contact-links {
    grid-column: auto;
  }

  .publication-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .publication-search {
    width: 100%;
  }

  .publication-layout {
    grid-template-columns: 1fr;
  }

  .year-rail {
    position: static;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--line);
  }

  .year-rail .metadata-label {
    margin-bottom: 0;
  }

  .year-rail nav {
    flex-flow: row wrap;
    gap: 9px 15px;
  }

  .year-rail a {
    display: block;
    padding: 0;
  }

  .year-rail a::before {
    display: none;
  }
}

@media (max-width: 560px) {
  :root {
    --page: calc(100vw - 30px);
  }

  .wordmark span:first-child {
    font-size: 21px;
  }

  .hero {
    gap: 51px;
    padding-top: 60px;
  }

  .hero h1 {
    margin-bottom: 25px;
    font-size: clamp(52px, 18.6vw, 74px);
    line-height: 0.91;
  }

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

  .current-role {
    grid-template-columns: 1fr;
    gap: 11px;
  }

  .profile-panel {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .profile-panel img {
    max-height: 490px;
  }

  .scale-heading h2 {
    font-size: 29px;
  }

  .section-intro h2,
  .contact-section h2 {
    font-size: 42px;
  }

  .project-row {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .project-key {
    display: flex;
    gap: 18px;
    align-items: baseline;
  }

  .project-year {
    margin-bottom: 0 !important;
  }

  .project-detail,
  .project-links {
    grid-column: 1;
  }

  .publication-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .publication-topic {
    grid-column: 1;
  }

  .trajectory-list li {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .trajectory-list li > p:last-child {
    grid-column: 1;
  }

  .contact-email {
    display: inline;
    overflow-wrap: anywhere;
  }

  .site-footer .page-shell {
    grid-template-columns: 1fr auto;
  }

  .site-footer p:nth-child(2) {
    display: none;
  }

  .page-heading h1 {
    font-size: clamp(54px, 16.8vw, 76px);
    letter-spacing: -0.05em;
  }

  .page-heading-copy {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .publication-year-heading {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .year-rail {
    grid-template-columns: 1fr;
    gap: 9px;
  }
}

/* Responsive density: preserve the dossier structure without crowding small screens. */
@media (max-width: 1080px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 44px;
  }

  .research-scale .page-shell {
    grid-template-columns: 0.58fr 1.7fr;
    gap: 38px;
  }

  .dossier-header {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 36px;
  }

  .section-intro {
    grid-template-columns: 125px minmax(0, 1fr);
    gap: 36px;
  }

  .project-row {
    grid-template-columns: 98px minmax(205px, 0.84fr) minmax(225px, 1fr) 76px;
    gap: 18px;
  }

  .contact-section {
    grid-template-columns: 125px minmax(0, 1fr);
    gap: 36px;
  }
}

@media (max-width: 920px) {
  .research-scale .page-shell {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .scale-heading {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .scale-heading .metadata-label {
    margin: 4px 0 0;
  }

  .dossier-architecture h3 {
    font-size: 20px;
  }

  .lineage-module {
    grid-template-columns: 1fr;
  }

  .lineage-copy {
    padding-inline-end: 0;
    border-inline-end: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .lineage-comparison article {
    grid-template-columns: 1fr;
    align-content: start;
  }

  .lineage-comparison article + article {
    margin-inline-start: 18px;
    padding-inline-start: 18px;
    border-top: 0;
    border-inline-start: 1px solid var(--line);
  }

  .lineage-model {
    grid-row: auto;
    margin-bottom: 2px;
  }

  .lineage-figure {
    padding-inline-start: 0;
  }

  .engine-overview {
    grid-template-columns: 158px minmax(0, 1fr);
  }

  .engine-mark {
    padding-inline: 17px;
  }

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

  .engine-flow li:nth-child(2) {
    border-inline-end: 0;
  }

  .engine-flow li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .engine-flow li:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 820px) {
  :root {
    --page: min(100% - 32px, 690px);
    --header-height: 60px;
  }

  body {
    font-size: 15px;
  }

  .primary-nav {
    padding-top: 28px;
  }

  .primary-nav a {
    padding: 12px 0;
    font-size: 22px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 36px;
    padding-bottom: 46px;
  }

  .hero h1 {
    font-size: clamp(52px, 13vw, 76px);
  }

  .hero-statement {
    font-size: 19px;
  }

  .hero-actions {
    margin-bottom: 30px;
  }

  .profile-panel {
    grid-template-columns: minmax(0, 0.58fr) minmax(210px, 1fr);
    gap: 24px;
  }

  .research-scale .page-shell {
    gap: 20px;
    padding-top: 29px;
    padding-bottom: 31px;
  }

  .scale-heading {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 22px;
  }

  .scale-sequence li {
    padding: 15px 0;
  }

  .scale-sequence h3 {
    font-size: 20px;
  }

  .section,
  .ouroboros-dossier {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .section-intro,
  .contact-section {
    gap: 16px;
  }

  .section-intro {
    margin-bottom: 27px;
  }

  .section-intro > div {
    gap: 14px;
  }

  .section-intro h2 {
    font-size: 38px;
  }

  .dossier-header {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-bottom: 22px;
  }

  .dossier-kicker {
    display: flex;
    flex-wrap: wrap;
    gap: 7px 20px;
    align-items: baseline;
  }

  .dossier-kicker .section-tag,
  .dossier-kicker .dossier-citation {
    margin-bottom: 0;
  }

  .dossier-title h2 {
    font-size: 50px;
  }

  .dossier-deck {
    font-size: 16px;
  }

  .dossier-architecture {
    grid-template-columns: 1fr;
  }

  .dossier-architecture article {
    padding: 16px 0 17px;
  }

  .dossier-architecture article:not(:last-child) {
    margin-right: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .dossier-architecture .research-question {
    margin-bottom: 8px;
  }

  .dossier-architecture h3 {
    margin-bottom: 5px;
  }

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

  .evolution-heading {
    grid-column: 1 / -1;
  }

  .evolution-grid article:nth-of-type(2) {
    border-right: 0;
  }

  .evolution-grid article:last-child {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
  }

  .project-row {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 12px 20px;
    padding: 16px 0 17px;
  }

  .project-detail,
  .project-links {
    grid-column: 2;
  }

  .publication-item {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 18px;
    padding: 16px 0 17px;
  }

  .trajectory-list li {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 12px 20px;
    padding: 17px 0 18px;
  }

  .contact-section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .contact-section h2 {
    font-size: 38px;
  }

  .page-heading {
    padding-top: 45px;
    padding-bottom: 38px;
  }

  .page-heading h1 {
    margin-bottom: 19px;
    font-size: clamp(54px, 13vw, 76px);
  }

  .publication-browser {
    padding-top: 23px;
    padding-bottom: 64px;
  }

  .publication-controls {
    gap: 18px;
    padding-bottom: 15px;
  }

  .publication-layout {
    gap: 25px;
  }

  .publication-year + .publication-year {
    margin-top: 30px;
  }
}

@media (max-width: 560px) {
  :root {
    --page: calc(100vw - 24px);
    --header-height: 58px;
  }

  .wordmark span:first-child {
    font-size: 20px;
  }

  .hero {
    gap: 26px;
    padding-top: 29px;
    padding-bottom: 40px;
  }

  .section-tag {
    margin-bottom: 14px;
  }

  .hero h1 {
    margin-bottom: 18px;
    font-size: clamp(47px, 15.4vw, 62px);
    line-height: 0.93;
  }

  .hero-statement {
    margin-bottom: 18px;
    font-size: 17px;
  }

  .hero-actions {
    flex-direction: row;
    gap: 12px 16px;
    align-items: center;
    margin-bottom: 25px;
  }

  .current-role {
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 14px;
  }

  .current-role p:last-child {
    font-size: 13px;
  }

  .profile-panel {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .profile-panel figure {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
    align-items: end;
    border-bottom: 1px solid var(--ink);
  }

  .profile-panel img {
    width: 132px;
    max-height: none;
    border-bottom: 0;
  }

  .profile-panel figcaption {
    padding: 8px 0 10px;
    border-bottom: 0;
  }

  .scale-heading {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .scale-heading .metadata-label {
    margin: 0;
  }

  .scale-heading h2 {
    font-size: 25px;
  }

  .section,
  .ouroboros-dossier,
  .contact-section {
    padding-top: 41px;
    padding-bottom: 41px;
  }

  .section-intro h2,
  .contact-section h2 {
    font-size: 34px;
  }

  .dossier-title h2 {
    font-size: 44px;
  }

  .dossier-links {
    gap: 6px 15px;
  }

  .lineage-copy > h3,
  .engine-copy > h3 {
    font-size: 24px;
  }

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

  .lineage-comparison article {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .lineage-comparison article + article {
    margin-inline-start: 0;
    padding-inline-start: 0;
    border-top: 1px solid var(--line);
    border-inline-start: 0;
  }

  .lineage-model {
    grid-row: 1 / 4;
  }

  .engine-overview {
    grid-template-columns: 1fr;
  }

  .engine-mark {
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 14px;
    align-items: center;
    padding: 12px 14px;
    border-inline-end: 0;
    border-bottom: 1px solid var(--line);
  }

  .engine-mark img {
    width: 104px;
    margin: 0;
  }

  .engine-mark figcaption {
    text-align: start;
  }

  .engine-copy {
    padding: 17px 14px 19px;
  }

  .engine-copy > p:last-child {
    font-size: 13px;
  }

  .engine-flow {
    grid-template-columns: 1fr;
  }

  .engine-flow li {
    min-height: 0;
    padding-block: 13px 14px;
    border-inline-end: 0 !important;
  }

  .engine-flow li:not(:last-child) {
    border-bottom: 1px solid var(--line);
  }

  .engine-flow li::after {
    display: none;
  }

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

  .evolution-heading,
  .evolution-grid article,
  .evolution-grid article:last-child {
    grid-column: 1;
  }

  .evolution-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .evolution-grid article:last-child {
    border-bottom: 0;
  }

  .project-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 15px 0 16px;
  }

  .project-key {
    gap: 14px;
  }

  .project-detail,
  .project-links {
    grid-column: 1;
  }

  .project-main h3 {
    font-size: 22px;
  }

  .publication-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 15px 0 16px;
  }

  .trajectory-list li {
    gap: 7px;
    padding: 15px 0 16px;
  }

  .contact-section div > p {
    margin-bottom: 16px;
  }

  .page-heading {
    padding-top: 38px;
    padding-bottom: 32px;
  }

  .page-heading h1 {
    margin-bottom: 17px;
    font-size: clamp(50px, 15vw, 66px);
  }

  .page-heading-copy {
    gap: 14px;
  }

  .publication-year-heading h2 {
    font-size: 32px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

@media print {
  :root {
    --page: 100%;
  }

  .site-header,
  .hero-actions,
  .research-scale,
  .publication-controls,
  .year-rail,
  .site-footer,
  .section-action {
    display: none !important;
  }

  body {
    color: #000;
    font-size: 10pt;
  }

  .hero,
  .section,
  .page-heading,
  .publication-browser {
    min-height: 0;
    padding: 24pt 0;
  }

  a {
    text-decoration: none;
  }
}
/* Multilingual navigation and compact community/news records. */
.primary-nav {
  gap: 17px;
}

.language-control {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.language-control::after {
  position: absolute;
  inset-inline-end: 9px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1;
  pointer-events: none;
  content: "⌄";
}

.language-control select {
  min-width: 88px;
  padding: 6px 9px;
  padding-inline-end: 25px;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.2;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--paper);
  appearance: none;
  cursor: pointer;
}

.language-control select:hover,
.language-control select:focus-visible {
  color: var(--ink);
  border-color: var(--cobalt);
}

.community-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.community-grid article {
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 21px clamp(20px, 2.5vw, 31px) 22px 0;
}

.community-grid article:not(:last-child) {
  margin-inline-end: clamp(20px, 2.5vw, 31px);
  border-inline-end: 1px solid var(--line);
}

.community-index {
  margin-bottom: 27px;
  color: var(--cobalt);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.community-grid h3 {
  margin-bottom: 8px;
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 500;
  line-height: 1.12;
}

.community-grid article > p:not(.community-index) {
  margin-bottom: 22px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.52;
}

.community-grid nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: auto;
  font-size: 11px;
  font-weight: 500;
}

.community-grid a:hover {
  color: var(--cobalt);
}

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

.news-list li {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 24px;
  align-items: baseline;
  padding: 12px 0 13px;
  border-bottom: 1px solid var(--line-strong);
}

.news-list time {
  color: var(--cobalt);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  direction: ltr;
  unicode-bidi: isolate;
}

.news-list p {
  max-width: 990px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.5;
}

.news-list a {
  color: var(--ink);
  text-decoration-color: color-mix(in srgb, var(--cobalt) 55%, transparent);
}

.news-list a:hover {
  color: var(--cobalt-dark);
}

html[dir="rtl"] {
  --serif: "Noto Naskh Arabic", "Amiri", serif;
  --sans: "Noto Sans Arabic", Tahoma, Arial, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
}

html[dir="rtl"] body {
  letter-spacing: 0;
}

html[dir="rtl"] .wordmark,
html[dir="rtl"] .contact-email,
html[dir="rtl"] .publication-authors,
html[dir="rtl"] .publication-venue,
html[dir="rtl"] .project-main h3,
html[dir="rtl"] .community-grid h3,
html[dir="rtl"] .dossier-title h2 {
  unicode-bidi: isolate;
}

html[dir="rtl"] .wordmark,
html[dir="rtl"] .contact-email {
  direction: ltr;
}

html[dir="rtl"] .scale-sequence li {
  padding-right: 0;
  padding-left: 20px;
}

html[dir="rtl"] .scale-sequence li:not(:last-child) {
  margin-right: 0;
  margin-left: 20px;
  border-right: 0;
  border-left: 1px solid #40515d;
}

html[dir="rtl"] .dossier-architecture article {
  padding-right: 0;
  padding-left: clamp(19px, 2.4vw, 30px);
}

html[dir="rtl"] .dossier-architecture article:not(:last-child) {
  margin-right: 0;
  margin-left: clamp(19px, 2.4vw, 30px);
  border-right: 0;
  border-left: 1px solid var(--line);
}

html[dir="rtl"] .evolution-grid article {
  border-right: 0;
  border-left: 1px solid var(--line);
}

html[dir="rtl"] .evolution-grid article:last-child {
  border-left: 0;
}

html[dir="rtl"] .engine-flow li:not(:last-child)::after {
  content: "←";
}

html[dir="rtl"] .publication-topic {
  justify-self: start;
  text-align: left;
}

html[data-language="ru"] .hero h1 {
  font-size: clamp(45px, 5.4vw, 67px);
  line-height: 1;
}

html[data-language="ar"] .hero h1 {
  font-size: clamp(54px, 6.2vw, 78px);
  line-height: 1.08;
}

html[data-language="fr"] .hero h1,
html[data-language="es"] .hero h1 {
  font-size: clamp(54px, 6.2vw, 78px);
}

@media (max-width: 1080px) and (min-width: 821px) {
  .primary-nav {
    gap: 12px;
    font-size: 12px;
  }

  .language-control select {
    min-width: 78px;
    max-width: 92px;
  }
}

@media (max-width: 820px) {
  .site-header {
    backdrop-filter: none;
  }

  .primary-nav {
    z-index: 99;
    overflow-y: auto;
  }

  .language-control {
    width: var(--page);
    margin: 20px auto 0;
  }

  .language-control::after {
    inset-inline-end: 13px;
  }

  .language-control select {
    width: 100%;
    padding: 11px 12px;
    padding-inline-end: 34px;
    font-size: 15px;
  }

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

  .community-grid article {
    min-height: 0;
    padding: 18px 0 19px;
  }

  .community-grid article:not(:last-child) {
    margin-inline-end: 0;
    border-inline-end: 0;
    border-bottom: 1px solid var(--line);
  }

  .community-index {
    margin-bottom: 12px;
  }

  .news-list li {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 16px;
    padding: 12px 0 13px;
  }

  html[dir="rtl"] .scale-sequence li,
  html[dir="rtl"] .dossier-architecture article {
    padding-left: 0;
  }

  html[dir="rtl"] .scale-sequence li:not(:last-child),
  html[dir="rtl"] .dossier-architecture article:not(:last-child) {
    margin-left: 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  html[data-language="ru"] .hero h1,
  html[data-language="ar"] .hero h1,
  html[data-language="fr"] .hero h1,
  html[data-language="es"] .hero h1 {
    font-size: clamp(43px, 12vw, 64px);
  }
}

@media (max-width: 560px) {
  .news-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .news-list time {
    font-size: 10px;
  }
}

@media print {
  .language-control {
    display: none !important;
  }
}