.research-site {
  --research-ink: #172529;
  --research-muted: #546469;
  --research-accent: #05695f;
  background: #f5f7f8;
  color: var(--research-ink);
  min-height: 100vh;
}
.research-site a:focus-visible {
  outline-color: #078578;
}
.research-header {
  background: #fff;
  border-bottom: 1px solid #cbd4d8;
}
.research-masthead {
  max-width: 1600px;
  padding: 26px 40px 22px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 32px;
}
.research-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-size: 32px;
  letter-spacing: -1.2px;
  font-weight: 650;
  line-height: 1;
}
.research-symbol {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #173337;
  color: #fff;
  height: 42px;
  width: 42px;
  margin-right: 12px;
  font:
    24px Georgia,
    serif;
  letter-spacing: -5px;
  padding-right: 5px;
}
.research-symbol span {
  font: 17px system-ui;
  margin-top: -7px;
}
.brand-period {
  color: #078578;
}
.research-byline {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  padding-left: 28px;
  border-left: 1px solid #ccd5d8;
}
.research-byline span {
  display: block;
  color: var(--research-muted);
  font-weight: 400;
}
.research-github {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  text-underline-offset: 4px;
}
.research-nav {
  display: flex;
  flex-wrap: wrap;
  max-width: 1600px;
  margin: auto;
  padding: 0 40px;
}
.research-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  padding: 17px 0;
  margin-right: 30px;
  border-bottom: 3px solid transparent;
  font-size: 14px;
  line-height: 1.4;
}
.research-nav a:last-child {
  margin-right: 0;
}
.research-nav a:hover {
  color: var(--research-accent);
}
.research-nav a[aria-current] {
  border-color: var(--research-accent);
  color: var(--research-accent);
  font-weight: 650;
}
.section-number {
  font:
    12px ui-monospace,
    monospace;
  opacity: 1;
}
.research-page {
  max-width: 1180px;
  padding: 64px 40px 72px;
  margin: auto;
}
.research-eyebrow {
  font:
    500 12px/1.6 ui-monospace,
    SFMono-Regular,
    monospace;
  text-transform: uppercase;
  letter-spacing: 1.3px;
  color: var(--research-accent);
  margin: 0 0 14px;
}
.research-page-heading h1 {
  font:
    400 clamp(32px, 4vw, 52px)/1.12 Georgia,
    'Times New Roman',
    serif;
  letter-spacing: -1px;
  margin: 0 0 24px;
}
.research-lead {
  font-size: 20px;
  line-height: 1.65;
  max-width: 780px;
  color: #45585f;
  margin-bottom: 36px;
}
.framework-equation {
  background: #1d3136;
  color: #f6fafb;
  padding: 32px 36px;
  margin-bottom: 48px;
  border-left: 3px solid #22bfa5;
}
.framework-equation .research-eyebrow {
  color: #9dc8bf;
}
.state-vector {
  font:
    clamp(23px, 3.1vw, 42px)/1.8 Georgia,
    serif;
  margin: 8px 0 16px;
  overflow-wrap: anywhere;
}
.framework-equation p {
  color: #d1dee1;
  margin: 0;
  font-size: 16px;
  max-width: 820px;
}
.research-section-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid #bfcdd1;
  padding-bottom: 15px;
}
.research-section-label h2 {
  margin: 0;
}
.research-section-label > span {
  font:
    12px ui-monospace,
    monospace;
  color: var(--research-muted);
}
.research-page h2 {
  font:
    400 27px/1.25 Georgia,
    serif;
  letter-spacing: -0.35px;
}
.research-page h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}
.variable-table-wrap {
  margin-bottom: 50px;
}
.variable-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 15px;
  line-height: 1.6;
}
.variable-table caption {
  text-align: left;
  caption-side: bottom;
  color: var(--research-muted);
  font-size: 14px;
  padding-top: 16px;
}
.variable-table td,
.variable-table th {
  padding: 20px 16px;
  border-bottom: 1px solid #d5dde0;
  vertical-align: top;
}
.variable-table thead th {
  padding: 14px 16px;
  color: var(--research-muted);
  font-size: 13px;
  font-weight: 500;
}
.variable-table th:first-child {
  padding-left: 0;
  width: 27%;
}
.variable-table tbody th {
  font-weight: 550;
}
.variable-table td {
  width: 36.5%;
  color: #45585f;
}
.variable-symbol {
  display: inline-block;
  width: 40px;
  color: var(--research-accent);
  font:
    italic 24px Georgia,
    serif;
}
.variable-table tbody th > span:last-child {
  display: inline;
}
.research-two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin: 40px 0;
}
.research-two-column p {
  font-size: 16px;
  color: #45585f;
}
.small-equation {
  font:
    22px/2 Georgia,
    serif;
  padding: 18px 22px;
  background: #e8eef0;
  margin-bottom: 16px;
}
.research-muted {
  color: var(--research-muted);
  font-size: 14px !important;
}
.research-text-link {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--research-accent);
  font-weight: 550;
  text-underline-offset: 5px;
  line-height: 1.6;
}
.research-process {
  list-style: none;
  margin: 48px 0 0;
  padding: 24px 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid #bdcbd0;
  border-bottom: 1px solid #bdcbd0;
}
.research-process li {
  font-size: 15px;
  position: relative;
}
.research-process li span {
  display: block;
  color: var(--research-accent);
  font:
    12px ui-monospace,
    monospace;
  margin-bottom: 12px;
}
.research-process li:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: 15%;
  bottom: 0;
  color: #6b7c82;
}
.research-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 40px;
  border-top: 1px solid #cbd4d8;
  font-size: 13px;
  color: var(--research-muted);
  background: #fff;
}
.research-footer a {
  display: flex;
  align-items: center;
  gap: 7px;
  text-underline-offset: 4px;
}
.research-map {
  background: #111416;
  color: #f2f0e9;
}
.map-research-intro {
  padding: 28px 40px;
  max-width: 1600px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 36px;
}
.map-research-intro .research-eyebrow {
  color: #9dc8bf;
  margin: 0;
  grid-column: 1/-1;
}
.map-question {
  font:
    400 clamp(18px, 1.6vw, 24px)/1.5 Georgia,
    serif;
  max-width: 1070px;
  margin: 0;
}
.map-research-intro > a {
  font-size: 14px;
  color: #a8dacf;
  align-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 170px;
  line-height: 1.6;
  text-underline-offset: 4px;
}
.research-loading {
  padding: 60px 40px;
}
.research-map .app-header {
  min-height: 60px;
}
.research-map .app-header .brand {
  font-size: 14px;
  letter-spacing: 0.02em;
}
.research-map .brand-mark {
  display: none;
}
.research-map .immersive-title h1 {
  font-family: Georgia, serif;
  font-weight: 400;
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: -0.5px;
}
.research-map .arrival-badge {
  text-align: left;
  max-width: 250px;
  border-color: #50585a;
}
@media (max-width: 1150px) {
  .research-nav {
    justify-content: space-between;
    gap: 16px;
  }
  .research-nav a {
    margin: 0;
    font-size: 13px;
  }
  .section-number {
    display: none;
  }
  .map-research-intro {
    grid-template-columns: 1fr;
  }
  .map-research-intro > a {
    max-width: none;
  }
}
@media (max-width: 760px) {
  .research-masthead {
    padding: 22px 20px;
    gap: 16px;
    flex-wrap: wrap;
  }
  .research-brand {
    font-size: 28px;
  }
  .research-symbol {
    width: 36px;
    height: 36px;
  }
  .research-byline {
    order: 3;
    flex-basis: 100%;
    border: 0;
    padding: 0;
  }
  .research-byline span {
    display: inline;
    margin-left: 8px;
    font-size: 12px;
  }
  .research-nav {
    padding: 0 20px;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0 24px;
  }
  .research-nav a {
    padding: 10px 0;
    min-height: 44px;
    font-size: 14px;
  }
  .research-page {
    padding: 36px 20px 48px;
  }
  .research-lead {
    font-size: 18px;
  }
  .framework-equation {
    padding: 24px 20px;
    margin: 0 0 36px;
  }
  .state-vector {
    font-size: 27px;
    line-height: 1.6;
  }
  .research-two-column {
    grid-template-columns: 1fr;
    gap: 22px;
    margin: 32px 0;
  }
  .research-section-label > span {
    display: none;
  }
  .variable-table {
    font-size: 14px;
  }
  .variable-table td,
  .variable-table th {
    padding: 16px 9px;
  }
  .variable-symbol {
    display: block;
    margin-bottom: 8px;
  }
  .variable-table th:first-child {
    width: 26%;
  }
  .research-process {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
  }
  .research-process li {
    min-width: 110px;
  }
  .research-process li:not(:last-child)::after {
    display: none;
  }
  .research-footer {
    padding: 24px 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .map-research-intro {
    padding: 24px 20px;
  }
}
.timeline-principle {
  padding: 25px 0 32px;
  border-top: 1px solid #b9c8cd;
  border-bottom: 1px solid #b9c8cd;
  margin-bottom: 16px;
}
.timeline-principle > span {
  font:
    12px ui-monospace,
    monospace;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--research-muted);
}
.timeline-principle p {
  margin: 12px 0 0;
  font:
    clamp(22px, 2.5vw, 32px)/1.45 Georgia,
    serif;
}
.timeline-principle p span {
  color: var(--research-accent);
  padding: 0 12px;
}
.research-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
}
.research-timeline > li {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 40px;
  padding: 36px 0;
  border-bottom: 1px solid #cbd6da;
}
.timeline-date time {
  display: block;
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
}
.timeline-date > span {
  color: var(--research-muted);
  font-size: 13px;
}
.research-timeline h2 {
  font-size: 26px;
  margin-bottom: 14px;
}
.research-timeline h2 a {
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}
.research-timeline h2 a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.research-timeline article > p {
  color: #45585f;
  max-width: 700px;
}
.artifact-permalink {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 14px;
  color: var(--research-accent);
  text-underline-offset: 4px;
}
.timeline-evidence {
  font-size: 12px;
  margin: 12px 0 0;
}
.archive-note {
  margin-top: 36px;
  padding: 26px 30px;
  background: #e7ecef;
}
.archive-note h2 {
  font-size: 23px;
}
.archive-note p:last-child {
  margin-bottom: 0;
}
.forecast-project {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 52px;
  padding: 32px;
  background: #fff;
  border: 1px solid #cad5d9;
  margin-bottom: 48px;
}
.forecast-project h2 {
  font-size: 34px;
}
.forecast-project aside {
  border-left: 3px solid #578582;
  padding-left: 24px;
  font-size: 15px;
}
.forecast-project aside > strong {
  display: block;
  margin-bottom: 12px;
}
.forecast-project aside > a {
  font-size: 14px;
  text-underline-offset: 4px;
}
.research-section-label > a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--research-accent);
  text-underline-offset: 4px;
}
.method-steps {
  list-style: none;
  padding: 0;
  margin: 28px 0 48px;
}
.method-steps li {
  display: flex;
  gap: 28px;
  max-width: 900px;
  margin-bottom: 22px;
}
.method-steps li > span {
  font:
    14px ui-monospace,
    monospace;
  color: var(--research-accent);
  padding-top: 4px;
}
.method-steps h3 {
  margin-bottom: 8px;
}
.method-steps p {
  margin: 0;
  color: #45585f;
}
.sensitivity-section {
  border: 1px solid #c7d3d7;
  padding: 28px 32px;
  background: #fff;
}
.sensitivity-section > p {
  margin-top: 20px;
  color: #45585f;
  font-size: 15px;
}
.forecast-targets {
  display: inline-flex;
  gap: 4px;
  background: #e8eef0;
  padding: 4px;
  margin: 0 0 24px;
}
.forecast-targets button {
  border: 0;
  padding: 10px 18px;
  min-height: 44px;
  color: #354f56;
  background: transparent;
  font-size: 14px;
}
.forecast-targets button[aria-pressed='true'] {
  background: #1d4247;
  color: #fff;
}
.forecast-targets button:focus-visible {
  outline-color: #078578;
}
.sensitivity-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  line-height: 1.5;
}
.sensitivity-table th,
.sensitivity-table td {
  padding: 18px 12px;
  border-bottom: 1px solid #d3dde1;
}
.sensitivity-table th:first-child {
  padding-left: 0;
}
.sensitivity-table thead th {
  font-size: 13px;
  color: var(--research-muted);
  font-weight: 500;
}
.sensitivity-table tbody th {
  font-size: 15px;
  font-weight: 500;
}
.sensitivity-table td {
  font-size: 16px;
}
.sensitivity-table caption {
  caption-side: bottom;
  text-align: left;
  padding-top: 16px;
  font-size: 13px;
  color: var(--research-muted);
}
.research-details {
  border-top: 1px solid #d3dde1;
  border-bottom: 1px solid #d3dde1;
  margin-top: 24px;
}
.research-details summary {
  padding: 16px 0;
  cursor: pointer;
  color: var(--research-accent);
  font-size: 14px;
}
.research-details p {
  font-size: 14px;
}
.numerical-note {
  background: #edf2f3;
  padding: 16px;
  font-size: 14px !important;
}
.research-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 26px;
  margin-top: 24px;
}
.research-downloads a {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--research-accent);
  font-size: 14px;
  text-underline-offset: 4px;
  min-height: 44px;
}
.research-downloads .primary-download {
  background: #1d4247;
  color: white;
  padding: 12px 18px;
  text-decoration: none;
}
.driver-list {
  margin: 24px 0;
}
.driver-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid #cbd6da;
}
.driver-list dt {
  font-size: 14px;
}
.driver-list dd {
  margin: 0;
  font:
    15px ui-monospace,
    monospace;
  color: var(--research-accent);
}
.research-list {
  padding-left: 20px;
  color: #45585f;
  line-height: 1.7;
}
.research-list li {
  padding-left: 6px;
  margin-bottom: 12px;
}
.research-source-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.research-source-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--research-accent);
  text-underline-offset: 4px;
}
.research-paper {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 40px;
  padding: 40px 0;
  border-top: 1px solid #aebfc5;
  border-bottom: 1px solid #aebfc5;
}
.paper-index {
  font:
    60px/1 Georgia,
    serif;
  color: #52767c;
}
.paper-index span {
  display: block;
  font:
    12px ui-monospace,
    monospace;
  margin-top: 16px;
  color: var(--research-muted);
}
.research-paper h2 {
  font-size: clamp(27px, 3vw, 37px);
  line-height: 1.2;
  max-width: 790px;
}
.paper-author {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 26px;
}
.research-paper p:not(.research-eyebrow):not(.paper-author) {
  color: #45585f;
}
.paper-status {
  display: grid;
  grid-template-columns: 1.2fr 0.65fr 1.3fr;
  gap: 24px;
  margin: 30px 0 0;
  border-top: 1px solid #ccd7db;
  padding-top: 22px;
}
.paper-status dt {
  font-size: 12px;
  color: var(--research-muted);
  margin-bottom: 8px;
}
.paper-status dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}
@media (max-width: 760px) {
  .research-timeline > li {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 28px 0;
  }
  .timeline-principle p span {
    padding: 0 4px;
  }
  .archive-note {
    padding: 24px 20px;
  }
  .forecast-project {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 24px;
  }
  .forecast-project aside {
    padding-left: 20px;
  }
  .sensitivity-section {
    padding: 24px 16px;
    margin-left: -4px;
    margin-right: -4px;
  }
  .sensitivity-section .research-section-label {
    align-items: flex-start;
  }
  .sensitivity-table th,
  .sensitivity-table td {
    padding: 14px 8px;
  }
  .sensitivity-table td {
    font-size: 14px;
  }
  .sensitivity-table tbody th {
    font-size: 14px;
  }
  .forecast-targets {
    display: flex;
  }
  .forecast-targets button {
    flex: 1;
    padding: 10px 12px;
  }
  .research-section-label > a {
    font-size: 12px;
    flex-shrink: 0;
  }
  .research-paper {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 0;
  }
  .paper-index {
    font-size: 32px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .paper-index span {
    margin: 0;
  }
  .paper-status {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .method-steps li {
    gap: 16px;
  }
}