@font-face {
  font-family: Inter;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
:root {
  --bg: #f7f8fc;
  --surface: #fff;
  --ink: #242137;
  --body: #4c5062;
  --muted: #757384;
  --purple: #6552a3;
  --purple-dark: #4f3e87;
  --purple-soft: #f0ecf8;
  --teal: #237f79;
  --teal-soft: #eaf5f2;
  --blue: #2d5585;
  --green: #2e774e;
  --red: #a94756;
  --line: #e1dfea;
  --radius: 18px;
  --shadow: 0 12px 40px #24213706;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  margin: 0;
  background: var(--bg);
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
  opacity: 0.42;
}
a {
  color: var(--purple);
  text-decoration: none;
}
a:hover {
  color: var(--purple-dark);
}
button {
  color: inherit;
}
img,
video {
  max-width: 100%;
  display: block;
}
h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}
h1,
h2,
h3,
h4 {
  color: var(--ink);
}
h2 {
  font-size: clamp(29px, 3.3vw, 43px);
  line-height: 1.2;
  letter-spacing: -1.5px;
  font-weight: 700;
}
h3 {
  font-size: 23px;
  line-height: 1.35;
  letter-spacing: -0.6px;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid #9382c6;
  outline-offset: 4px;
}
::selection {
  background: #e2d9f3;
  color: var(--ink);
}
[hidden] {
  display: none !important;
}
.icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.icon-definitions {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.github-icon {
  fill: currentColor;
  stroke: none;
}
.container {
  max-width: 1192px;
  margin: 0 auto;
  padding: 0 28px;
}
.wide-container {
  max-width: 1300px;
}
.reading-container {
  max-width: 888px;
  padding: 0 28px;
  margin: auto;
}
.section {
  padding: 100px 0;
  scroll-margin-top: 0;
}
.section-heading {
  max-width: none;
  margin-bottom: 38px;
}
.section-heading h2 {
  margin: 10px 0 20px;
}
.section-heading > p:last-child:not(.eyebrow) {
  text-align: left;
  font-size: 17px;
  line-height: 1.8;
}
.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.paper-section-heading {
  max-width: none;
}
.paper-section-heading h2 {
  text-transform: uppercase;
  letter-spacing: 0.015em;
  font-size: clamp(28px, 3.3vw, 42px);
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 2.2px;
  font-weight: 700;
  color: var(--purple);
  line-height: 1.5;
}
.eyebrow span {
  margin: 0 8px;
  color: #aaa1c1;
}
.section-note {
  font-size: 15px;
  line-height: 1.85;
  margin: 25px 0 0;
  max-width: 970px;
}
.tinted-section {
  background: linear-gradient(160deg, #f0eef7, #f4f8f8);
  border-block: 1px solid #eae7f0;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 10px 23px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: white;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    background 0.2s;
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 16px #24213710;
  color: var(--purple);
}
.button.primary {
  background: var(--purple);
  color: white;
  border-color: var(--purple);
  box-shadow: 0 4px 16px #6552a320;
}
.button.primary:hover {
  background: var(--purple-dark);
}
.text-button {
  background: transparent;
  border-color: transparent;
  color: var(--teal);
}
.skip-link {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 200;
  background: white;
  padding: 12px;
}
.skip-link:focus {
  top: 10px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fafafdee;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid #e1dfea80;
}
.nav-shell {
  max-width: 1300px;
  margin: auto;
  padding: 0 28px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 18px;
  font-weight: 750;
  color: var(--ink);
  letter-spacing: -0.5px;
}
nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
nav a {
  font-size: 12px;
  font-weight: 550;
  color: #696777;
  position: relative;
}
nav a.active {
  color: var(--purple);
}
nav a.active:after {
  content: "";
  height: 2px;
  background: var(--purple);
  position: absolute;
  bottom: -25px;
  left: 0;
  right: 0;
}
.nav-paper {
  color: var(--ink);
  border-left: 1px solid var(--line);
  padding-left: 24px;
}
.nav-paper span {
  margin-left: 5px;
}
.reading-progress {
  position: absolute;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--teal));
  width: 0;
}
.menu-toggle {
  display: none;
  border: 0;
  background: none;
  padding: 10px;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  display: block;
  margin: 5px;
}
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 76px 0 48px;
  text-align: center;
  background:
    radial-gradient(ellipse at 19% 15%, #e8e2f557, transparent 47%),
    radial-gradient(ellipse at 82% 65%, #dbefea60, transparent 43%), #fafafd;
}
.hero-orbit {
  position: absolute;
  width: 650px;
  height: 650px;
  border: 1px solid #6552a309;
  border-radius: 50%;
  top: -235px;
  right: -170px;
  z-index: -1;
}
.hero-orbit:before,
.hero-orbit:after {
  content: "";
  position: absolute;
  border: 1px solid #6552a309;
  border-radius: 50%;
  inset: 65px;
}
.hero-orbit:after {
  inset: 135px;
}
.hero-keywords {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  column-gap: 13px;
  row-gap: 5px;
}
.hero-keywords .keyword {
  margin: 0;
  color: inherit;
  white-space: nowrap;
}
.hero-keywords .keyword-separator {
  margin: 0;
  color: #9182af;
}
.hero-name {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-size: clamp(50px, 6vw, 84px);
  font-weight: 800;
  color: var(--purple);
  line-height: 1.1;
  letter-spacing: -4px;
  margin: 24px 0 22px;
}
.hero-name img {
  width: 69px;
  height: 69px;
}
.hero h1 {
  font-size: clamp(25px, 3vw, 37px);
  font-weight: 650;
  letter-spacing: -1.2px;
  line-height: 1.3;
}
.authors {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  column-gap: 23px;
  row-gap: 5px;
  margin: 30px auto 5px;
  color: #343043;
  font-size: 15px;
}
.authors sup {
  font-size: 11px;
  position: relative;
  left: 2px;
}
.affiliation {
  font-size: 14px;
  color: #686577;
}
.corresponding {
  font-size: 10px;
  color: #898597;
  margin-top: 3px;
}
.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 29px;
}
.hero-actions .button {
  min-width: 133px;
  border-radius: 12px;
  padding: 12px 29px;
  letter-spacing: 0.025em;
}
.hero-tagline {
  font-size: 25px;
  letter-spacing: -0.4px;
  font-weight: 450;
  color: #696377;
  margin: 28px auto 0;
  line-height: 1.5;
}
.hero-tagline strong {
  color: var(--green);
  font-weight: 650;
  white-space: nowrap;
}
.hero-tagline strong:last-child {
  color: var(--blue);
}
.hero-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr 1.28fr;
  max-width: 860px;
  margin: 30px auto 0;
  align-items: center;
}
.hero-metrics > div {
  padding: 3px 20px;
  border-right: 1px solid #d9d3e6;
}
.hero-metrics > div:last-child {
  border: 0;
}
.hero-metrics strong {
  display: block;
  font-size: 37px;
  line-height: 1.3;
  letter-spacing: -1.5px;
  color: var(--blue);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}
.hero-metrics strong > span {
  font-size: 25px;
}
.hero-metrics .green {
  color: var(--green);
}
.hero-metrics > div > span {
  font-size: 11px;
  color: #777283;
}
.hero-scope strong {
  font-size: 26px;
  letter-spacing: -0.7px;
  color: var(--ink);
}
.hero-scope strong > span {
  font-size: 13px;
  letter-spacing: 0;
  font-weight: 500;
}
.hero-scope i {
  font-style: normal;
  color: #aea6bc;
  margin: 0 6px;
}
.metric-context {
  font-size: 10px;
  color: #858190;
  margin-top: 19px;
}
.preview-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 28px;
}
.case-preview {
  border-radius: 14px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  height: 225px;
  color: white;
  background: #333;
}
.case-preview > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}
.case-preview:hover > img {
  transform: scale(1.04);
}
.preview-overlay {
  position: absolute;
  inset: 0;
  padding: 25px 28px;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(90deg, #151b20df 0%, #151b2055 70%, #151b2011);
}
.scene-preview .preview-overlay {
  background: linear-gradient(90deg, #15241deb, #15241d55 70%, #15241d22);
}
.preview-chip {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: #fffc;
}
.preview-overlay strong {
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: -0.6px;
  font-weight: 600;
  color: white;
}
.preview-overlay > span:last-child {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 11px;
  color: #ffffffda;
}
.preview-overlay .icon {
  width: 17px;
  height: 17px;
}
.abstract-section {
  padding-bottom: 48px;
}
.abstract-section .reading-container {
  max-width: 1016px;
}
.abstract-text {
  font-size: 16px;
  line-height: 1.92;
  color: #4c4a5b;
  padding: 36px 42px;
  border: 1px solid #ded8e9;
  border-radius: 18px;
  background: linear-gradient(140deg, #fff, #fcfbff 60%, #f7fbfa);
  box-shadow: 0 12px 40px #493b7007;
}
.abstract-text p + p {
  margin-top: 20px;
}
.abstract-text strong {
  font-weight: 650;
}
.abstract-policy {
  color: var(--purple-dark);
}
.abstract-observation {
  color: var(--teal);
}
.abstract-accuracy {
  color: var(--blue);
}
.abstract-efficiency {
  color: var(--green);
}
.highlights {
  max-width: 1440px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding-bottom: 95px;
}
.highlight {
  padding: 26px 22px 28px;
  border: 1px solid var(--line);
  background: white;
  border-radius: 15px;
  position: relative;
  box-shadow: var(--shadow);
}
.highlight-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--purple-soft);
  border-radius: 11px;
  color: var(--purple);
  margin-bottom: 20px;
}
.highlight-icon.teal {
  color: var(--teal);
  background: #eaf5f2;
}
.highlight-icon.blue {
  color: var(--blue);
  background: #ecf1f8;
}
.index-label {
  font-size: 9px;
  letter-spacing: 1.2px;
  font-weight: 700;
  color: #9992a5;
}
.highlight h3 {
  font-size: clamp(16px, 1.45vw, 21px);
  line-height: 1.4;
  margin: 9px 0 13px;
  letter-spacing: -0.6px;
}
.highlight p {
  font-size: 13px;
  line-height: 1.8;
  color: #6d677a;
}
.concept-pair {
  display: grid;
  grid-template-columns: 1fr 45px 1fr;
  align-items: center;
  margin: 28px auto 44px;
  max-width: none;
  gap: 20px;
}
.concept-pair > div {
  display: flex;
  gap: 17px;
  align-items: flex-start;
}
.concept-pair p {
  font-size: 14px;
  line-height: 1.65;
}
.concept-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 5px 9px;
  border-radius: 5px;
  flex-shrink: 0;
}
.policy {
  color: var(--purple);
  background: #e6e0f1;
}
.tool {
  color: var(--teal);
  background: #deeeea;
}
.concept-link {
  text-align: center;
  color: #afa4be;
  font-size: 25px;
}
.method-subsection + .method-subsection {
  margin-top: 65px;
  padding-top: 50px;
  border-top: 1px solid #ded9e9;
}
.method-subsection > h3,
.analysis-subsection > h3 {
  text-align: center;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.6px;
  margin: 0 0 26px;
}
.method-description,
.analysis-description {
  max-width: none;
  margin: 23px auto 0;
  font-size: 15px;
  line-height: 1.85;
}
.method-description + .method-description,
.analysis-description {
  margin-top: 12px;
}
.tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.tabs > button {
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
  padding: 13px 22px;
  color: #80798e;
  transition:
    color 0.2s,
    background 0.2s;
}
.tabs > button[aria-selected="true"] {
  color: var(--purple);
  border-color: var(--purple);
  background: linear-gradient(0deg, #ede8f6b0, transparent);
}
.tabs > button:hover {
  color: var(--purple);
}
.paper-figure {
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.figure-zoom {
  display: block;
  width: 100%;
  border: 0;
  background: white;
  padding: 0;
  position: relative;
  border-radius: 6px;
  cursor: zoom-in;
}
.figure-zoom img {
  width: 100%;
  height: auto;
}
.zoom-label {
  position: absolute;
  right: 7px;
  bottom: 7px;
  background: #fffffff2;
  color: #787187;
  border: 1px solid var(--line);
  padding: 6px 9px;
  border-radius: 6px;
  font-size: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  opacity: 0.6;
  transition: opacity 0.2s;
}
.figure-zoom:hover .zoom-label {
  opacity: 1;
}
.zoom-label .icon {
  width: 14px;
  height: 14px;
}
figcaption {
  font-size: 13px;
  line-height: 1.8;
  color: #777080;
  margin: 18px 6px 2px;
}
.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.segmented button {
  border: 1px solid transparent;
  background: #eeecf2;
  color: #7b7289;
  padding: 8px 15px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 550;
  transition: all 0.2s;
}
.segmented button.active,
.segmented button[aria-pressed="true"] {
  color: var(--purple);
  background: white;
  border-color: #bdb0d6;
  box-shadow: 0 2px 6px #24213706;
}
.table-scroll {
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  scrollbar-width: thin;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
th {
  font-weight: 600;
  font-size: 11px;
  color: #746882;
  background: #f2eff7;
  text-align: right;
  padding: 15px 19px;
  border-bottom: 1px solid var(--line);
}
td {
  text-align: right;
  padding: 13px 19px;
  border-bottom: 1px solid #efedf3;
  color: #696175;
}
th:first-child,
td:first-child {
  text-align: left;
}
tbody tr:last-child td {
  border-bottom: 0;
}
.base-row {
  background: #f4f4f7;
}
.evolved-row {
  background: #f2f7f6;
  font-weight: 650;
}
.evolved-row td {
  color: var(--ink);
}
.evolved-row td:first-child {
  color: var(--teal);
}
.gain-row td {
  color: var(--blue);
  font-weight: 600;
  border-top: 1px solid var(--line);
  background: #fafbfe;
}
.setting-cell {
  font-size: 10px;
  color: #9c93a5;
}
.result-note {
  font-size: 11px;
  color: #8c8396;
  margin-top: 12px;
}
.efficiency-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cost-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 24px 21px;
}
.cost-card h3 {
  font-size: 17px;
  margin-bottom: 4px;
}
.cost-reduction {
  color: var(--green);
  font-size: 27px;
  font-weight: 650;
  margin-bottom: 21px;
  letter-spacing: -1px;
}
.cost-reduction span {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0;
  color: #81788b;
  margin-left: 5px;
}
.cost-row {
  margin: 15px 0;
}
.cost-row-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #8a8295;
  margin-bottom: 6px;
}
.cost-row-label strong {
  color: var(--body);
  font-variant-numeric: tabular-nums;
}
.cost-call {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 17px;
  margin-top: 20px;
  font-size: 11px;
  color: #8b8195;
}
.cost-call strong {
  color: var(--ink);
  font-weight: 600;
}
.case-section {
  background: #f0eef6;
  border-block: 1px solid #e8e4ef;
}
.case-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 30px;
}
.case-selector > button {
  display: flex;
  gap: 18px;
  align-items: center;
  text-align: left;
  border: 1px solid #dfd9e9;
  border-radius: 12px;
  background: #f8f7fb;
  padding: 14px;
  color: #93899f;
  transition: all 0.2s;
}
.case-selector > button[aria-selected="true"] {
  border-color: #9d8abf;
  background: white;
  box-shadow: 0 3px 14px #6552a30a;
  color: var(--ink);
}
.case-selector img {
  width: 90px;
  height: 68px;
  object-fit: cover;
  border-radius: 6px;
  filter: saturate(0.8);
}
.case-selector strong {
  display: block;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 600;
  letter-spacing: -0.2px;
}
.case-selector small {
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--purple);
  display: block;
  margin-bottom: 4px;
}
.case-tab-arrow {
  margin-left: auto;
  font-size: 22px;
  color: #b4a6c8;
}
.case-query {
  padding: 23px 27px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 13px;
  margin-bottom: 18px;
  display: flex;
  gap: 25px;
  align-items: center;
}
.query-icon {
  width: 39px;
  height: 39px;
  background: var(--purple-soft);
  color: var(--purple);
  display: grid;
  place-items: center;
  border-radius: 11px;
  font-size: 19px;
  flex-shrink: 0;
}
.case-query small {
  font-size: 10px;
  color: #9b91a8;
  letter-spacing: 0.4px;
}
.case-query h3 {
  font-size: 19px;
  line-height: 1.5;
  font-weight: 550;
  margin-top: 4px;
  letter-spacing: -0.4px;
}
.case-query-meta {
  white-space: nowrap;
  margin-left: auto;
  text-align: right;
  font-size: 11px;
  color: #988ba3;
}
.case-query-meta strong {
  font-size: 20px;
  color: var(--ink);
  display: block;
  letter-spacing: -0.7px;
}
.timeline-card {
  padding: 20px 24px 14px;
  background: #faf9fd;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 20px;
}
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 5px;
}
.timeline-header > span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.7px;
  color: #857991;
}
.timeline-header .segmented button {
  padding: 3px 10px;
  font-size: 10px;
}
.evidence-timeline {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}
.timeline-label {
  font:
    11px Inter,
    system-ui;
  fill: #85788e;
}
.timeline-axis {
  font:
    9px Inter,
    system-ui;
  fill: #a098aa;
}
.timeline-dot {
  cursor: pointer;
}
.timeline-dot:hover {
  r: 6;
}
.timeline-legend {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: flex-end;
  font-size: 9px;
  color: #9c91a6;
  margin-top: 0;
}
.timeline-legend span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.timeline-legend i {
  display: inline-block;
  width: 14px;
  height: 3px;
  background: var(--purple);
}
.timeline-legend .target-key {
  height: 8px;
  border: 1px dashed #bd8651;
  background: transparent;
}
.timeline-legend .frame-key {
  height: 5px;
  width: 5px;
  border-radius: 50%;
  background: #8c84a2;
}
.timeline-legend .sheet-key {
  background: none;
  border-top: 2px dashed var(--teal);
}
.trajectory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}
.trajectory-panel {
  --step-intro-height: 136px;
  --step-evidence-height: 310px;
  --step-details-height: 132px;
  display: grid;
  grid-template-rows: 96px 70px 52px auto minmax(50px, 1fr);
  background: white;
  border: 1px solid #ddd6e7;
  border-radius: 14px;
  overflow: hidden;
  min-width: 0;
}
.trajectory-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px 15px;
  gap: 10px;
  min-height: 0;
  overflow: auto;
}
.trajectory-heading h3 {
  font-size: 20px;
  letter-spacing: -0.7px;
}
.trajectory-heading .version-label {
  color: #b0a5ba;
  font-size: 10px;
  margin-left: 8px;
  font-weight: 400;
  letter-spacing: 0;
}
.trajectory-panel.evolved .trajectory-heading h3 {
  color: var(--purple);
}
.trajectory-heading small {
  font-size: 10px;
  color: #988ba4;
}
.trajectory-panel.evolved {
  border-top: 3px solid var(--purple);
}
.trajectory-panel.base {
  border-top: 3px solid #a69dae;
}
.trajectory-controls {
  display: flex;
  gap: 5px;
}
.trajectory-controls button,
.step-navigation button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  min-width: 29px;
  height: 29px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  color: #7f718e;
}
.trajectory-controls button:hover,
.step-navigation button:hover {
  background: var(--purple-soft);
}
.trajectory-controls button[aria-pressed="true"] {
  background: var(--purple-soft);
  color: var(--purple);
}
.step-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 0 22px 15px;
  align-content: flex-start;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
}
.step-dot {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  font-size: 10px;
  border: 1px solid #e5dfec;
  border-radius: 5px;
  background: #f9f8fb;
  color: #a597b0;
  padding: 0;
}
.step-dot.visited {
  background: #f0ecf7;
  color: #89789e;
}
.step-dot.current {
  background: var(--purple);
  border-color: var(--purple);
  color: #fff;
}
.step-dot[data-kind="observe"]:not(.current) {
  border-color: #b5d5cd;
  color: var(--teal);
}
.step-select {
  margin: 0 22px 16px;
  width: calc(100% - 44px);
  border: 1px solid #eae5ef;
  border-radius: 6px;
  background: #fbfafc;
  font-size: 11px;
  color: #8d7e9c;
  padding: 8px;
  min-width: 0;
  height: 36px;
  align-self: start;
}
.step-body {
  display: grid;
  grid-template-rows: var(--step-intro-height) var(--step-evidence-height) var(
      --step-details-height
    ) 40px;
  gap: 14px;
  min-width: 0;
  border-top: 1px solid #eee9f3;
  padding: 20px 22px;
}
.step-intro {
  display: flow-root;
}
.step-intro,
.evidence-viewport,
.step-details {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-gutter: stable;
}
.step-evidence {
  display: grid;
  grid-template-rows: 36px minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
}
.step-evidence > .media-count {
  margin: 0;
  align-content: start;
  overflow: auto;
}
.evidence-viewport .media-grid {
  max-height: none;
  overflow: visible;
  align-content: start;
}
.evidence-viewport .clip-player {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.evidence-viewport .clip-player video {
  flex: 1;
  min-height: 0;
  max-height: none;
  object-fit: contain;
}
.evidence-viewport .clip-time {
  flex-shrink: 0;
}
.evidence-viewport .setup-card,
.evidence-viewport .final-card {
  min-height: 100%;
}
.evidence-viewport .final-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.step-details > details {
  margin-top: 0;
}
.step-details > details + details {
  margin-top: 8px;
}
.step-details .recorded-text,
.step-details .tool-parameters {
  max-height: none;
  overflow: visible;
}
.step-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 650;
  color: #a393b2;
}
.phase-tag {
  padding: 3px 6px;
  border-radius: 4px;
  background: #f2eef8;
  color: var(--purple);
  font-size: 8px;
}
.phase-tag.observe {
  color: var(--teal);
  background: var(--teal-soft);
}
.phase-tag.answer {
  color: var(--blue);
  background: #edf3fa;
}
.step-body h4 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.35px;
}
.step-summary {
  font-size: 12px;
  line-height: 1.8;
  margin: 10px 0 17px;
  color: #7a6e87;
}
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  max-height: 270px;
  overflow: auto;
  padding-right: 3px;
  scrollbar-width: thin;
}
.media-grid.sheets {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.media-tile {
  border: 1px solid #e7e2ed;
  border-radius: 6px;
  background: #faf9fc;
  padding: 0;
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
}
.media-tile img {
  width: 100%;
  height: 82px;
  object-fit: contain;
  background: #f5f4f7;
}
.media-grid.sheets .media-tile img {
  height: 116px;
}
.media-tile span {
  display: block;
  font-size: 8px;
  text-align: left;
  padding: 4px 6px;
  color: #857391;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.media-tile:hover {
  border-color: #b4a1cf;
}
.media-count {
  font-size: 9px;
  color: #a597b0;
  margin: 8px 0 12px;
}
.clip-player {
  border-radius: 8px;
  background: #201d29;
  overflow: hidden;
}
.clip-player video {
  width: 100%;
  max-height: 280px;
}
.clip-time {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 9px;
  color: #dbd6e5;
  padding: 9px 12px;
  background: #2e293a;
}
.setup-card {
  padding: 30px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 23px;
  background: #f9f7fc;
  border: 1px dashed #ddd3e9;
  border-radius: 8px;
  text-align: center;
}
.setup-card strong {
  font-size: 29px;
  letter-spacing: -1px;
  color: var(--purple);
  display: block;
}
.setup-card span {
  font-size: 9px;
  color: #a394af;
}
.final-card {
  background: #f5f1fa;
  border: 1px solid #e7dff1;
  border-radius: 9px;
  padding: 23px;
  text-align: center;
}
.final-card strong {
  display: block;
  font-size: 26px;
  letter-spacing: -0.7px;
  color: var(--ink);
}
.final-card small {
  font-size: 10px;
  color: #9c8bac;
}
.final-card .iou {
  font-size: 12px;
  color: var(--red);
  margin-top: 9px;
}
.evolved .final-card .iou {
  color: var(--green);
}
details {
  margin-top: 14px;
}
summary {
  cursor: pointer;
  font-size: 11px;
  color: #8f7c9f;
  line-height: 1.6;
  padding: 6px 0;
  list-style-position: inside;
}
summary:hover {
  color: var(--purple);
}
.recorded-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 12px;
  line-height: 1.9;
  max-height: 340px;
  overflow: auto;
  background: #faf9fc;
  border: 1px solid #eee9f3;
  border-radius: 7px;
  padding: 15px;
  color: #74627f;
  margin: 8px 0 0;
  scrollbar-width: thin;
}
.tool-parameters {
  font-size: 10px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #faf9fc;
  padding: 12px;
  border-radius: 6px;
  max-height: 200px;
  overflow: auto;
}
.step-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0;
  min-height: 0;
  font-size: 10px;
  color: #a092ac;
}
.step-navigation button {
  height: 31px;
  font-size: 10px;
  padding: 4px 10px;
}
.transcript {
  padding: 0 22px 16px;
  margin-top: 0;
  border-top: 1px solid #eee9f3;
}
.transcript > summary {
  padding-top: 13px;
}
.transcript-item {
  padding: 14px 0;
  border-bottom: 1px solid #eee8f4;
}
.transcript-item h4 {
  font-size: 12px;
  color: #7b668a;
  line-height: 1.5;
}
.transcript-item p {
  font-size: 11px;
  line-height: 1.8;
  margin-top: 5px;
}
.transcript-item button {
  background: none;
  border: 0;
  padding: 4px 0;
  color: var(--teal);
  font-size: 10px;
  margin-top: 5px;
}
.transcript .recorded-text {
  font-size: 11px;
  max-height: none;
}
.case-outcome {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  overflow: hidden;
}
.outcome-metrics {
  padding: 23px 27px;
  border-right: 1px solid var(--line);
}
.outcome-metrics h4 {
  font-size: 12px;
  font-weight: 500;
  color: #9786a3;
}
.outcome-reduction {
  font-size: 32px;
  font-weight: 650;
  letter-spacing: -1px;
  color: var(--green);
}
.outcome-reduction span {
  font-size: 11px;
  font-weight: 400;
  color: #897b95;
  letter-spacing: 0;
  margin-left: 8px;
}
.outcome-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr;
  gap: 15px;
  margin-top: 15px;
  font-size: 12px;
  color: #9c8ea7;
}
.outcome-grid > div {
  display: flex;
  flex-direction: column;
}
.outcome-grid strong {
  display: block;
  font-size: clamp(18px, 1.9vw, 26px);
  font-weight: 650;
  margin-top: auto;
  padding-top: 3px;
  white-space: nowrap;
}
.outcome-cost strong {
  color: var(--green);
}
.outcome-accuracy strong {
  color: var(--blue);
}
.outcome-insight {
  padding: 25px 27px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.outcome-insight p {
  font-size: 13px;
  line-height: 1.9;
  color: #82708e;
}
.outcome-insight button {
  align-self: flex-start;
  font-size: 11px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--purple);
  margin-top: 14px;
}
.case-synthesis {
  max-width: 835px;
  margin: 40px auto 0;
  text-align: center;
  font-size: 15px;
  line-height: 1.9;
  color: #85728f;
}
.small-rule {
  display: block;
  width: 34px;
  height: 2px;
  background: var(--teal);
  margin: 0 auto 20px;
}
.load-message {
  padding: 50px;
  text-align: center;
  color: #988aa6;
  font-size: 14px;
}
.analysis-split {
  display: grid;
  grid-template-columns: 0.92fr 1fr;
  gap: 50px;
  align-items: center;
}
.analysis-copy h3 {
  color: var(--purple);
  font-size: 27px;
  margin-bottom: 22px;
}
.analysis-copy p {
  font-size: 14px;
  line-height: 1.9;
  margin: 15px 0;
}
.ablation-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  border-top: 1px solid var(--line);
  margin-top: 27px;
  padding-top: 24px;
}
.ablation-stats strong {
  font-size: clamp(18px, 1.9vw, 27px);
  white-space: nowrap;
  color: var(--green);
  font-weight: 650;
  letter-spacing: -1px;
}
.ablation-stats .accuracy-stat strong {
  color: var(--blue);
}
.ablation-stats span {
  display: block;
  color: #8a8195;
  font-size: 10px;
  line-height: 1.6;
  margin-top: 5px;
}
.analysis-intro {
  font-size: 17px;
  margin: 20px 0 26px;
}
.evolution-layout {
  display: grid;
  grid-template-columns: 0.375fr 0.605fr;
  gap: 25px;
  align-items: stretch;
}
.citation-section {
  background: #f0edf6;
  border-top: 1px solid #e4deee;
  padding: 75px 0;
}
.citation-wrap {
  min-height: 260px;
  border: 1px solid #dcd4e8;
  border-radius: 12px;
  background: #f9f7fc;
  position: relative;
  padding: 57px 24px 24px;
}
.citation-wrap pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  line-height: 1.9;
  color: #6d5a84;
}
.copy-button {
  position: absolute;
  right: 17px;
  top: 15px;
  display: flex;
  gap: 7px;
  align-items: center;
  background: white;
  border: 1px solid #ded4ec;
  border-radius: 6px;
  padding: 7px 11px;
  color: var(--purple);
  font-size: 10px;
}
.copy-button .icon {
  width: 13px;
  height: 13px;
}
.site-footer {
  padding: 38px 0;
  background: #f8f7fb;
  border-top: 1px solid #e9e4f1;
}
.site-footer > .container {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}
.site-footer p {
  font-size: 10px;
  color: #978da3;
}
.site-footer .footer-credit {
  margin-left: auto;
}
.footer-credit a {
  color: #8c789f;
}
.back-top {
  font-size: 10px;
  color: #8f7ca2;
}
.back-top:hover {
  color: var(--purple);
}
#toast {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translate(-50%, 15px);
  background: var(--ink);
  color: white;
  padding: 10px 20px;
  font-size: 12px;
  border-radius: 8px;
  z-index: 120;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s,
    transform 0.2s;
}
#toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
.media-dialog {
  border: 1px solid #ddd4e7;
  border-radius: 14px;
  padding: 0;
  width: 94vw;
  max-width: 1500px;
  height: 90vh;
  max-height: 95vh;
  background: #f6f4f9;
  color: var(--ink);
  overflow: hidden;
  box-shadow: 0 30px 100px #1c162b50;
}
.media-dialog::backdrop {
  background: #181222d9;
  backdrop-filter: blur(5px);
}
.dialog-toolbar {
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  gap: 15px;
  background: white;
}
.dialog-toolbar > span {
  font-size: 12px;
  max-width: 52%;
  line-height: 1.5;
}
.dialog-toolbar > div {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
}
.dialog-toolbar button,
.dialog-toolbar a {
  background: #f4f1f8;
  border: 1px solid #e3dcef;
  border-radius: 6px;
  padding: 5px 9px;
  font-size: 11px;
  white-space: nowrap;
}
.dialog-media {
  height: calc(100% - 64px);
  overflow: auto;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dialog-media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  width: auto;
  height: auto;
}
.dialog-media.zoomed {
  display: block;
}
.dialog-media.zoomed img {
  max-width: none;
  max-height: none;
  margin: auto;
}
.dialog-media video {
  max-height: 100%;
  max-width: 100%;
  margin: auto;
}
.dialog-media .clip-player {
  width: min(100%, 1000px);
  max-height: 100%;
}
.dialog-media .clip-player video {
  max-height: calc(80vh - 100px);
}
@media (min-width: 1500px) {
  .hero {
    padding-top: 90px;
  }
  .hero h1 {
    font-size: 39px;
  }
}
@media (max-width: 1000px) {
  .case-outcome {
    grid-template-columns: 1fr;
  }
  .outcome-metrics {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  nav {
    gap: 18px;
  }
  .hero-name {
    font-size: 68px;
  }
  .highlights {
    gap: 14px;
  }
  .highlight {
    padding: 24px 21px;
  }
  .highlight h3 {
    font-size: 16px;
  }
  .preview-overlay strong {
    font-size: 22px;
  }
  .analysis-split {
    gap: 28px;
  }
  .efficiency-grid {
    gap: 12px;
  }
  .cost-card {
    padding: 20px 17px;
  }
  .result-summary {
    gap: 20px;
  }
  .trajectory-heading,
  .step-body {
    padding-left: 17px;
    padding-right: 17px;
  }
  .step-dots {
    padding-left: 17px;
    padding-right: 17px;
  }
  .step-select {
    margin-left: 17px;
    width: calc(100% - 34px);
  }
  .case-query-meta {
    display: none;
  }
  .case-selector img {
    width: 75px;
  }
  .case-selector strong {
    font-size: 12px;
  }
  .site-footer .footer-credit {
    margin-left: 0;
  }
}
@media (max-width: 760px) {
  html {
    scroll-padding-top: 75px;
  }
  .container,
  .reading-container {
    padding-inline: 20px;
  }
  .section {
    padding: 65px 0;
  }
  .nav-shell {
    height: 61px;
    padding: 0 20px;
  }
  .wordmark {
    font-size: 16px;
  }
  .menu-toggle {
    display: block;
  }
  nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 61px;
    background: #faf9fe;
    box-shadow: 0 12px 20px #2421370c;
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-bottom: 1px solid var(--line);
  }
  nav.open {
    display: flex;
  }
  nav a {
    padding: 12px;
    font-size: 14px;
  }
  nav a.active:after {
    display: none;
  }
  .nav-paper {
    border: 0;
    padding-left: 12px;
  }
  .hero {
    padding: 52px 0 30px;
  }
  .hero .eyebrow {
    font-size: 9px;
    letter-spacing: 1.4px;
  }
  .hero-name {
    font-size: clamp(43px, 9vw, 65px);
    gap: 10px;
    letter-spacing: -2.7px;
    margin: 22px 0;
  }
  .hero-name img {
    width: 47px;
    height: 47px;
  }
  .hero h1 {
    font-size: clamp(23px, 4.3vw, 31px);
    letter-spacing: -0.7px;
    line-height: 1.4;
  }
  .desktop-break {
    display: none;
  }
  .authors {
    font-size: 12px;
    gap: 4px 15px;
    max-width: 470px;
    margin-top: 24px;
  }
  .affiliation {
    font-size: 12px;
    margin: 9px auto 0;
    max-width: 300px;
    line-height: 1.7;
  }
  .corresponding {
    font-size: 9px;
  }
  .hero-actions {
    gap: 7px;
    margin: 22px 0;
  }
  .button {
    padding: 9px 15px;
    font-size: 12px;
    min-height: 43px;
    gap: 7px;
  }
  .button .icon {
    width: 16px;
    height: 16px;
  }
  .hero-tagline {
    font-size: 21px;
    max-width: 360px;
    margin-top: 24px;
  }
  .hero-metrics {
    grid-template-columns: 1fr 1fr;
    margin-top: 25px;
    max-width: 430px;
  }
  .hero-metrics > div {
    padding: 0 9px;
  }
  .hero-metrics > div:nth-child(2) {
    border: 0;
  }
  .hero-metrics strong {
    font-size: 30px;
  }
  .hero-metrics strong > span {
    font-size: 21px;
  }
  .hero-metrics > div > span {
    font-size: 10px;
  }
  .hero-scope {
    grid-column: 1/-1;
    margin-top: 21px;
  }
  .hero-scope strong {
    font-size: 23px;
    line-height: 1.2;
  }
  .hero-scope strong > span {
    font-size: 12px;
  }
  .hero-scope > span {
    display: block;
    margin-top: 6px;
  }
  .metric-context {
    font-size: 8px;
    max-width: 320px;
    margin: 18px auto 0;
  }
  .preview-pair {
    gap: 12px;
    margin-top: 16px;
  }
  .case-preview {
    height: 190px;
    border-radius: 10px;
  }
  .preview-overlay {
    padding: 17px 17px;
    background: linear-gradient(0deg, #151b20e6, #151b2022);
  }
  .scene-preview .preview-overlay {
    background: linear-gradient(0deg, #15241de6, #15241d22);
  }
  .preview-overlay strong {
    font-size: 19px;
  }
  .preview-chip {
    font-size: 7px;
  }
  .preview-overlay > span:last-child {
    font-size: 9px;
    gap: 4px;
  }
  .abstract-section {
    padding-bottom: 32px;
  }
  .section-heading {
    margin-bottom: 28px;
  }
  .section-heading > p:last-child:not(.eyebrow) {
    font-size: 15px;
  }
  .section-heading h2 {
    letter-spacing: -1px;
    margin-bottom: 16px;
  }
  .abstract-text {
    font-size: 15px;
    line-height: 1.95;
    padding: 23px 22px;
    border-radius: 13px;
  }
  .abstract-text p + p {
    margin-top: 17px;
  }
  .paper-section-heading h2 {
    letter-spacing: 0.01em;
  }
  .hero-keywords {
    column-gap: 7px;
    max-width: 420px;
    margin-inline: auto;
  }
  .method-subsection > h3,
  .analysis-subsection > h3 {
    font-size: 23px;
    margin-bottom: 20px;
  }
  .method-subsection + .method-subsection {
    margin-top: 38px;
    padding-top: 32px;
  }
  .method-description,
  .analysis-description {
    font-size: 14px;
    margin-top: 20px;
  }
  .highlights {
    grid-template-columns: 1fr;
    padding-bottom: 60px;
  }
  .highlight {
    display: grid;
    grid-template-columns: 42px 1fr;
    column-gap: 16px;
    padding: 24px;
  }
  .highlight-icon {
    grid-row: 1/4;
    margin: 0;
  }
  .index-label {
    font-size: 8px;
  }
  .highlight h3 {
    margin: 5px 0 8px;
    font-size: 20px;
  }
  .highlight h3 br {
    display: none;
  }
  .highlight p {
    grid-column: 2;
    font-size: 12px;
  }
  .concept-pair {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .concept-link {
    display: none;
  }
  .concept-pair p {
    font-size: 13px;
  }
  .concept-pair > div {
    gap: 12px;
  }
  .tabs {
    gap: 0;
    margin-bottom: 23px;
  }
  .tabs > button {
    font-size: 11px;
    padding: 12px 14px;
  }
  .paper-figure {
    padding: 12px;
    border-radius: 10px;
  }
  figcaption {
    font-size: 11px;
    margin: 12px 3px 0;
  }
  .result-summary {
    padding: 18px;
    gap: 18px;
    flex-wrap: wrap;
  }
  .summary-benchmark {
    flex-basis: 100%;
  }
  .summary-benchmark h3 {
    font-size: 17px;
  }
  .summary-value strong {
    font-size: 24px;
  }
  .summary-benchmark p {
    font-size: 10px;
  }
  .result-toolbar {
    gap: 12px;
  }
  .segmented button {
    font-size: 10px;
    padding: 7px 11px;
  }
  .switch-label {
    font-size: 10px;
  }
  .gain-badge {
    font-size: 19px;
    margin-left: auto;
  }
  table {
    font-size: 11px;
  }
  td,
  th {
    padding: 12px 14px;
  }
  th {
    font-size: 10px;
  }
  .efficiency-grid {
    grid-template-columns: 1fr;
  }
  .cost-card {
    padding: 22px;
  }
  .cost-card h3 {
    font-size: 18px;
  }
  .cost-reduction {
    float: right;
    margin-top: -32px;
    font-size: 24px;
  }
  .cost-reduction span {
    display: none;
  }
  .cost-row {
    margin-top: 20px;
  }
  .legend {
    gap: 15px;
    font-size: 10px;
  }
  .qa-grid {
    gap: 12px;
  }
  .qa-card {
    padding: 18px 15px;
  }
  .qa-heading {
    align-items: flex-start;
  }
  .qa-heading h3 {
    font-size: 16px;
  }
  .qa-heading strong {
    font-size: 19px;
  }
  .qa-heading small {
    font-size: 8px;
  }
  .qa-line {
    grid-template-columns: 41px 1fr 38px;
    gap: 6px;
    font-size: 9px;
  }
  .qa-line strong {
    font-size: 11px;
  }
  .section-note {
    font-size: 13px;
  }
  .case-selector {
    gap: 10px;
    margin-bottom: 20px;
  }
  .case-selector > button {
    padding: 12px;
    gap: 9px;
    flex-direction: column;
    align-items: flex-start;
  }
  .case-selector img {
    width: 100%;
    height: 95px;
    object-fit: cover;
  }
  .case-selector strong {
    font-size: 12px;
  }
  .case-selector small {
    font-size: 8px;
  }
  .case-tab-arrow {
    display: none;
  }
  .case-query {
    padding: 18px;
    gap: 13px;
  }
  .case-query h3 {
    font-size: 16px;
  }
  .case-query small {
    font-size: 9px;
  }
  .query-icon {
    width: 30px;
    height: 30px;
    font-size: 15px;
  }
  .timeline-card {
    padding: 15px 12px 12px;
  }
  .timeline-header > span {
    font-size: 8px;
  }
  .timeline-header .segmented button {
    font-size: 9px;
  }
  .timeline-legend {
    gap: 9px;
    justify-content: center;
    font-size: 8px;
  }
  .trajectory-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .trajectory-heading {
    padding: 20px 20px 15px;
  }
  .step-body {
    padding: 18px 20px;
  }
  .step-dots {
    padding-inline: 20px;
    gap: 6px;
  }
  .step-dot {
    width: 27px;
    height: 27px;
  }
  .step-select {
    margin-inline: 20px;
    width: calc(100% - 40px);
    font-size: 11px;
  }
  .media-tile img {
    height: 90px;
  }
  .media-grid.sheets .media-tile img {
    height: 120px;
  }
  .step-body h4 {
    font-size: 17px;
  }
  .step-summary {
    font-size: 12px;
  }
  .step-navigation button {
    height: 36px;
  }
  .case-outcome {
    grid-template-columns: 1fr;
  }
  .outcome-metrics {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 21px;
  }
  .outcome-insight {
    padding: 21px;
  }
  .outcome-grid {
    gap: 12px;
  }
  .outcome-grid strong {
    font-size: clamp(13px, 4vw, 22px);
  }
  .case-synthesis {
    font-size: 13px;
    margin-top: 30px;
  }
  .analysis-split,
  .evolution-layout {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .analysis-split > .paper-figure {
    max-width: 440px;
    width: 100%;
    margin: auto;
  }
  .analysis-copy h3 {
    font-size: 23px;
  }
  .analysis-copy p {
    font-size: 13px;
  }
  .ablation-stats {
    gap: 16px;
  }
  .evolution-layout > .paper-figure {
    width: 100%;
    margin: 0;
  }
  .analysis-intro {
    font-size: 15px;
  }
  .citation-wrap {
    padding: 58px 16px 20px;
  }
  .citation-wrap pre {
    font-size: 10px;
  }
  .site-footer {
    padding: 30px 0;
  }
  .site-footer > .container {
    gap: 10px;
    flex-direction: column;
    align-items: flex-start;
  }
  .site-footer p {
    font-size: 10px;
  }
  .media-dialog {
    width: 98vw;
    height: 92vh;
    border-radius: 10px;
  }
  .dialog-toolbar {
    height: 89px;
    padding: 10px 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .dialog-toolbar > span {
    max-width: 100%;
    font-size: 10px;
  }
  .dialog-toolbar > div {
    width: 100%;
    gap: 6px;
  }
  .dialog-toolbar button,
  .dialog-toolbar a {
    font-size: 9px;
    padding: 5px 7px;
  }
  .dialog-toolbar #media-close {
    margin-left: auto;
  }
  .dialog-media {
    height: calc(100% - 89px);
    padding: 6px;
  }
  .dialog-media .clip-player video {
    max-height: calc(80vh - 120px);
  }
}
@media (max-width: 390px) {
  .hero-actions .text-button {
    flex-basis: 100%;
    margin-top: 0;
    padding: 2px;
    min-height: 30px;
  }
  .preview-overlay {
    padding: 14px 12px;
  }
  .preview-overlay strong {
    font-size: 16px;
  }
  .case-preview {
    height: 170px;
  }
  .hero-name img {
    width: 40px;
    height: 40px;
  }
  .hero-name {
    gap: 8px;
  }
  .qa-grid {
    grid-template-columns: 1fr;
  }
  .step-dot {
    width: 24px;
    height: 25px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
}
@media (max-width: 600px) {
  .preview-pair {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }
  .case-preview {
    height: 195px;
  }
  .preview-overlay {
    padding: 20px 23px;
  }
  .preview-overlay strong {
    font-size: 22px;
  }
  .preview-overlay > span:last-child {
    font-size: 11px;
  }
}
/* Recorded evidence: readable labels and keyboard-accessible controls. */
.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;
}
.trajectory-hint {
  font-size: 12px;
  line-height: 1.8;
  color: #736480;
  margin: 16px 0;
}
.trajectory-panel {
  scroll-margin-top: 95px;
}
.step-summary {
  font-size: 13px;
  color: #655a70;
  line-height: 1.85;
}
.step-select {
  font-size: 12px;
  color: #72647d;
}
.trajectory-heading small {
  font-size: 11px;
  color: #7b6d86;
}
.trajectory-controls .icon {
  width: 13px;
  height: 13px;
  margin-right: 3px;
}
.media-count {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px;
  font-size: 10px;
  color: #7b6d86;
}
.media-count span {
  color: #857591;
}
.media-tile span {
  font-size: 9px;
  color: #706079;
}
.step-navigation > span {
  max-width: 46%;
  overflow-wrap: anywhere;
  text-align: center;
}
.step-navigation button:disabled {
  opacity: 0.4;
  cursor: default;
}
.detail-label {
  font-size: 11px;
  font-weight: 600;
  margin: 12px 0 5px;
}
.transcript > ol {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 320px;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-gutter: stable;
}
.transcript-item > div:first-child {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: baseline;
}
.transcript-item strong {
  font-size: 12px;
  font-weight: 550;
  color: var(--ink);
}
.transcript-item p {
  font-size: 12px;
  color: #70627e;
}
.transcript-item button {
  white-space: nowrap;
  flex-shrink: 0;
}
.outcome-insight p {
  color: #71607d;
}
.timeline-legend {
  flex-wrap: wrap;
}
@media (max-width: 760px) {
  .step-summary {
    font-size: 13px;
  }
  .trajectory-hint {
    font-size: 11px;
  }
  .timeline-card {
    overflow-x: auto;
  }
  .evidence-timeline {
    min-width: 560px;
  }
  .timeline-header {
    min-width: 320px;
  }
  .trajectory-heading h3 {
    font-size: 19px;
  }
  .trajectory-heading .version-label {
    margin-left: 5px;
  }
  .trajectory-controls button {
    font-size: 11px;
    padding-inline: 6px;
  }
  .trajectory-heading small {
    font-size: 10px;
  }
  .outcome-insight p {
    font-size: 13px;
  }
}
/* Keep secondary text legible against the pale research-page palette. */
:root {
  --teal: #1d716a;
}
.index-label,
.tabs > button,
.segmented button,
.switch-label,
.setting-cell,
.result-note,
.case-selector > button,
.case-query small,
.case-query-meta,
.timeline-header > span,
.timeline-legend,
.trajectory-heading .version-label,
.step-dot,
.step-kicker,
.media-count span,
summary,
.step-navigation,
.outcome-metrics h4,
.outcome-reduction span,
.outcome-grid,
.case-synthesis,
.ablation-stats span,
.site-footer p,
.footer-credit a,
.back-top {
  color: #71627e;
}
.step-dot.visited {
  color: #746184;
}
.timeline-axis {
  fill: #7a6b86;
}
.footer-credit a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.legend,
.cost-reduction span,
.cost-row-label,
.cost-call,
.qa-heading small {
  color: #71627e;
}
@media (max-width: 760px) {
  .highlights {
    grid-template-columns: minmax(0, 1fr);
  }
  .highlight {
    min-width: 0;
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 20px;
    column-gap: 12px;
  }
  .highlight h3 {
    font-size: 19px;
    overflow-wrap: break-word;
  }
  .highlight-icon {
    width: 34px;
    height: 34px;
  }
  .highlight-icon .icon {
    width: 19px;
    height: 19px;
  }
}
@media (max-width: 760px) {
  .evidence-timeline {
    min-width: 0;
  }
  .timeline-header {
    min-width: 0;
    flex-wrap: wrap;
  }
  .timeline-label {
    font-size: 10px;
  }
  .timeline-axis {
    font-size: 9px;
  }
  .timeline-legend {
    font-size: 9px;
  }
  .timeline-header .segmented {
    margin-left: auto;
  }
}

/* Complete paper tables: grouped headers, explicit comparisons, and readable cells. */
.result-table-block + .result-table-block {
  margin-top: 48px;
}
.result-table-caption {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0 0 14px;
}
.result-table-caption strong {
  font-weight: 700;
}
.caption-blue {
  color: var(--blue);
}
.caption-green {
  color: var(--green);
}
.caption-purple {
  color: var(--purple);
}
.paper-table-scroll {
  border-radius: 12px;
  border-top: 2px solid #827491;
  border-bottom: 2px solid #827491;
}
.table-scroll-hint {
  display: none;
  color: #71627e;
  font-size: 11px;
  margin: -5px 0 12px;
}
.paper-table-scroll:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 4px;
}
.paper-results-table {
  font-size: 13px;
  min-width: 680px;
}
.paper-results-table.wide-results-table {
  min-width: 1120px;
  font-size: 12px;
}
.paper-results-table th,
.paper-results-table td {
  padding: 13px 12px;
  text-align: center;
  line-height: 1.55;
}
.paper-results-table.wide-results-table th,
.paper-results-table.wide-results-table td {
  padding: 12px 9px;
}
.paper-results-table thead th {
  background: #f5f3f9;
  color: #4d435b;
  font-size: 12px;
  font-weight: 600;
  border-bottom: 1px solid #ddd6e6;
}
.paper-results-table thead .benchmark-heading {
  font-size: 13px;
  color: var(--ink);
  padding-top: 17px;
  padding-bottom: 12px;
}
.benchmark-detail,
.rowgroup-detail {
  display: block;
  font-weight: 400;
  color: #71667d;
  font-size: 10px;
  line-height: 1.6;
  margin-top: 5px;
}
.paper-results-table .label-heading,
.paper-results-table .method-label {
  text-align: left;
}
.paper-results-table .metric-group-start {
  border-left: 1px solid #ddd6e6;
}
.metric-direction {
  font-weight: 400;
  white-space: nowrap;
  color: #71667d;
}
.paper-results-table tbody th {
  color: #51465e;
  font-size: inherit;
  font-weight: 450;
  background: inherit;
  border-bottom: 1px solid #efedf3;
}
.paper-results-table .rowgroup-label {
  font-size: 13px;
  font-weight: 550;
  text-align: center;
  vertical-align: middle;
  background: #fff;
  border-right: 1px solid #ddd6e6;
  min-width: 146px;
  width: 180px;
}
.paper-results-table .comparison-group .method-label {
  width: 160px;
}
.paper-results-table .base-row {
  background: #f2f2f6;
}
.paper-results-table .evolved-row {
  background: #f7fafe;
  font-weight: 400;
}
.paper-results-table .evolved-row .method-label,
.paper-results-table strong {
  font-weight: 650;
  color: var(--ink);
}
.paper-results-table .evolved-row td {
  color: #696175;
}
.paper-results-table .setting-cell {
  font-size: 10px;
}
.paper-results-table .group-divider > *,
.paper-results-table .comparison-group + .comparison-group tr:first-child > * {
  border-top: 1px solid #beb4ca;
}
.paper-results-table .comparison-change > * {
  background: #fff;
  border-bottom: 0;
}
.paper-results-table .comparison-change .method-label {
  color: #5d5368;
  font-size: 11px;
  font-weight: 550;
}
.paper-results-table .change-cell {
  padding-top: 11px;
  padding-bottom: 15px;
}
.absolute-change {
  display: block;
  font-weight: 600;
}
.relative-change {
  display: block;
  font-size: 10px;
  line-height: 1.5;
  margin-top: 3px;
}
.paper-results-table .gain-improvement {
  color: var(--blue);
}
.paper-results-table .cost-decrease {
  color: var(--green);
}
.paper-results-table .cost-increase {
  color: var(--purple-dark);
}
.paper-results-table .gain-neutral {
  color: #71667d;
}
.chart-context {
  color: #71627e;
  font-size: 12px;
  margin: 0 0 18px;
}
.efficiency-grid + .result-table-block {
  margin-top: 36px;
}
.cost-bar-track {
  height: 14px;
  border-radius: 4px;
  background: #f1eff6;
  overflow: hidden;
}
.cost-total-bar {
  display: block;
  height: 100%;
  border-radius: 4px;
}
.cost-total-bar.base {
  background: #a29ab5;
}
.cost-total-bar.evolved {
  background: var(--green);
}
@media (max-width: 760px) {
  #results > .container > .tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
  #results .tabs > button {
    white-space: normal;
    line-height: 1.6;
    padding: 10px 8px;
  }
  .table-scroll-hint {
    display: block;
  }
  .result-table-caption {
    font-size: 13px;
  }
  .paper-results-table,
  .paper-results-table.wide-results-table {
    font-size: 12px;
  }
  .paper-results-table .rowgroup-label {
    min-width: 130px;
    width: 130px;
  }
  .paper-results-table tbody .rowgroup-label {
    position: sticky;
    left: 0;
    z-index: 1;
    box-shadow: 1px 0 0 #ddd6e6;
  }
  .paper-results-table:not(#grounding-table):not(#modality-table)
    thead
    > tr:first-child
    > th:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
  }
  .result-table-block + .result-table-block {
    margin-top: 36px;
  }
  .chart-context {
    font-size: 11px;
  }
}

.evolution-layout > .paper-figure {
  display: flex;
  align-items: center;
  min-width: 0;
}
.evolution-layout .figure-zoom {
  width: 100%;
}
#modality-table {
  min-width: 850px;
}
#modality-table .observation-cell {
  background: #fff;
  vertical-align: middle;
  width: 72px;
}
.observation-flag {
  font-size: 21px;
  line-height: 1;
}
.observation-flag.enabled {
  color: var(--teal);
}
.observation-flag.disabled {
  color: #81778b;
}
#modality-table .evolved-row:not(.best-modality) .method-label {
  font-weight: 450;
}
#modality-table .token-components {
  white-space: nowrap;
}
#modality-table .modality-change .absolute-change {
  font-size: 12px;
}
#modality-table .component-change {
  font-weight: 600;
}
#modality-table .comparison-change:not(:last-child) > * {
  border-bottom: 1px solid #efedf3;
}

@media (max-width: 760px) {
  [data-tabs="analysis"] {
    align-items: stretch;
    gap: 0;
  }
  [data-tabs="analysis"] > button {
    flex: 1;
    white-space: normal;
    padding: 11px 8px;
    line-height: 1.6;
  }
}

@media (max-width: 600px) {
  .ablation-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 16px;
  }
  .ablation-stats strong {
    font-size: 27px;
  }
}