:root {
  --ink: #13233b;
  --ink-soft: #526176;
  --paper: #fafaf8;
  --white: #ffffff;
  --line: #d9ddd9;
  --navy: #10203a;
  --navy-deep: #091528;
  --blue: #315f9f;
  --cyan: #91b7cc;
  --orange: #9b725f;
  --green: #668c77;
  --purple: #746f91;
  --lime: #a7bd72;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1240px;
  --shadow: 0 14px 36px rgba(20, 35, 58, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 8px 14px;
  color: var(--white);
  background: var(--blue);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  width: 100%;
  min-height: 62px;
  padding: 0 4vw;
  border-bottom: 1px solid rgba(217, 221, 217, 0.84);
  background: rgba(247, 245, 239, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--ink);
  font-family: var(--serif);
  font-style: italic;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 42px);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  color: #516075;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--blue);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="true"]::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  display: block;
  min-height: auto;
  padding: clamp(65px, 8vw, 105px) max(24px, calc((100vw - var(--max)) / 2));
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 1050px;
}

.eyebrow,
.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 26px;
  height: 2px;
  background: var(--blue);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 1050px;
  margin: 18px 0 22px;
  font-family: var(--serif);
  font-size: clamp(2.9rem, 5.3vw, 5.3rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.01;
}

h1 em,
h2 em {
  color: var(--blue);
  font-weight: 500;
}

.hero-lede {
  max-width: 850px;
  margin-bottom: 27px;
  color: var(--ink-soft);
  font-size: clamp(1.04rem, 1.5vw, 1.25rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.study-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 900px;
  margin-top: 45px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.study-summary > div {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 14px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.38);
}

.study-summary strong {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
}

.study-summary span {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 750;
  transition: background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: none;
}

.button-primary {
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 10px 25px rgba(19, 35, 59, 0.16);
}

.button-primary:hover {
  background: var(--blue);
  border-color: var(--blue);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.45);
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 12px;
  color: var(--white);
  background: var(--navy);
  box-shadow: var(--shadow);
  transform: none;
}

.hero-panel-head,
.hero-panel-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 18px;
  color: #bfc9d9;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-panel-head {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-panel-foot {
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.status-dot::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  border-radius: 50%;
  content: "";
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
}

.dimension-list {
  padding: 8px 18px;
}

.dimension-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 8px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dimension-item:last-child {
  border-bottom: 0;
}

.dimension-index {
  color: var(--cyan);
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
}

.dimension-item strong,
.dimension-item small {
  display: block;
}

.dimension-item strong {
  font-family: var(--serif);
  font-size: 1.22rem;
  font-weight: 500;
}

.dimension-item small {
  margin-top: 2px;
  color: #9facbf;
  font-size: 0.74rem;
}

.hero-glow {
  display: none;
}

.hero-glow-one {
  top: 7%;
  right: -12%;
  width: 38vw;
  height: 38vw;
  background: radial-gradient(circle, rgba(114, 212, 232, 0.35), transparent 68%);
}

.hero-glow-two {
  bottom: -20%;
  left: 30%;
  width: 36vw;
  height: 36vw;
  background: radial-gradient(circle, rgba(203, 230, 115, 0.2), transparent 67%);
}

.visual-break {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 55px;
}

.paper-figure {
  margin: 0;
}

.paper-figure img {
  width: 100%;
  height: auto;
}

.paper-figure-hero {
  padding: clamp(10px, 1.5vw, 20px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(19, 35, 59, 0.05);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(75px, 8vw, 110px) 24px;
}

.section-label {
  margin-bottom: clamp(35px, 5vw, 58px);
}

.section-label.light {
  color: var(--cyan);
}

.section-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(40px, 8vw, 120px);
  align-items: start;
}

h2 {
  margin-bottom: 0;
  font-family: var(--serif);
  font-size: clamp(2.45rem, 4.4vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.prose {
  color: var(--ink-soft);
}

.lead {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.26rem, 2vw, 1.7rem);
  line-height: 1.45;
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(48px, 6vw, 75px);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.question-card {
  min-height: 270px;
  padding: 28px 25px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.38);
  transition: background 180ms ease;
}

.question-card:hover {
  position: relative;
  background: var(--white);
  transform: none;
}

.question-card > span,
.finding-number {
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.question-card h3 {
  margin: 60px 0 12px;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 500;
}

.question-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.section-framework,
.section-principles {
  max-width: none;
  padding-right: max(24px, calc((100vw - var(--max)) / 2));
  padding-left: max(24px, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background: var(--navy);
}

.framework-heading {
  display: grid;
  grid-template-columns: 1fr 0.65fr;
  gap: 80px;
  align-items: end;
}

.framework-heading p {
  margin-bottom: 8px;
  color: #b5c0d0;
}

.section-framework h2 em {
  color: var(--cyan);
}

.paper-figure-dark {
  margin: 70px 0 45px;
  padding: clamp(12px, 2vw, 25px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  background: #ffffff;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.method-card {
  min-height: 360px;
  padding: 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.025);
}

.method-card.featured {
  box-shadow: inset 0 3px 0 var(--cyan);
  background: rgba(255, 255, 255, 0.035);
}

.method-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--cyan);
  font-family: var(--serif);
}

.method-tag {
  padding: 3px 8px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 20px;
  color: #aeb9c9;
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.method-card h3 {
  margin: 70px 0 2px;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 500;
}

.method-name {
  margin-bottom: 26px;
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 700;
}

.method-card > p:last-child {
  margin-bottom: 0;
  color: #aeb9c9;
  font-size: 0.86rem;
}

.objective {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  margin-top: 45px;
  padding: 35px 0 0;
}

.objective-label {
  display: block;
  margin-bottom: 8px;
  color: var(--cyan);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.objective strong {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  font-weight: 500;
}

.objective p {
  margin-bottom: 0;
  color: #aeb9c9;
}

.findings-intro {
  align-items: end;
  margin-bottom: 80px;
}

.findings-intro .lead {
  margin-bottom: 6px;
}

.finding-block {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(40px, 7vw, 95px);
  align-items: center;
  margin: 65px 0 95px;
}

.finding-block.reverse {
  grid-template-columns: 1.15fr 0.85fr;
}

.finding-block.reverse .finding-copy {
  order: 2;
}

.finding-block.reverse .result-figure {
  order: 1;
}

.finding-copy h3 {
  margin: 14px 0 18px;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.finding-copy > p {
  color: var(--ink-soft);
}

.result-figure {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(19, 35, 59, 0.05);
}

.takeaway-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.takeaway-list li {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  font-weight: 700;
}

.takeaway-list span {
  color: var(--ink-soft);
  font-weight: 500;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 105px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.metric-card {
  position: relative;
  min-height: 325px;
  padding: 27px 24px;
  overflow: hidden;
  color: var(--ink);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.metric-card::after {
  display: none;
}

.metric-card + .metric-card {
  border-left: 0;
}

.accent-blue,
.accent-orange,
.accent-green,
.accent-purple {
  color: var(--ink);
}

.metric-context {
  display: block;
  min-height: 52px;
  color: var(--blue);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin: 12px 0 30px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2.65rem, 4vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.metric-card strong small {
  font-size: 0.42em;
  letter-spacing: 0;
}

.metric-card h3 {
  margin-bottom: 7px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.13rem;
  font-weight: 500;
}

.metric-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.results-tables {
  margin: -15px 0 100px;
}

.table-section-heading {
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 48px;
}

.table-section-heading h3 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 3.7vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.table-section-heading > p {
  margin-bottom: 4px;
  color: var(--ink-soft);
}

.result-table-block {
  margin-bottom: 32px;
  border: 1px solid var(--line);
  background: var(--white);
}

.table-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}

.table-title > div {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.table-title span {
  color: var(--blue);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.table-title h4 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
}

.table-title p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.74rem;
  text-align: right;
}

.table-scroll {
  overflow-x: auto;
  scrollbar-width: thin;
}

.table-scroll:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.data-table {
  width: 100%;
  min-width: 840px;
  border-collapse: collapse;
  color: var(--ink);
  font-size: 0.73rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.wide-table {
  min-width: 1050px;
}

.data-table th,
.data-table td {
  padding: 11px 12px;
  border-right: 1px solid #eceeeb;
  border-bottom: 1px solid #e5e8e4;
  text-align: center;
}

.data-table th:first-child,
.data-table tbody th {
  position: sticky;
  z-index: 1;
  left: 0;
  min-width: 125px;
  text-align: left;
  background: var(--white);
}

.data-table thead th {
  color: #435168;
  background: #f3f5f5;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.035em;
}

.data-table thead th:first-child {
  z-index: 2;
  background: #f3f5f5;
}

.data-table tbody th {
  font-weight: 700;
}

.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tr > *:last-child {
  border-right: 0;
}

.data-table .reference-row {
  color: #657184;
}

.data-table .reference-row th {
  color: #657184;
}

.data-table .baseline-row th,
.data-table .baseline-row td {
  border-top: 2px solid #aeb6bf;
  background: #f8f8f6;
}

.data-table .baseline-row th {
  background: #f8f8f6;
}

.gain,
.drop {
  display: inline-block;
  margin-left: 2px;
  font-size: 0.62rem;
  font-weight: 700;
}

.gain {
  color: #3c7b5b;
}

.drop {
  color: #a4574f;
}

.compact-table-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 32px;
}

.compact-table {
  margin-bottom: 0;
}

.compact-table .data-table {
  min-width: 430px;
}

.compact-table:last-child .data-table {
  min-width: 900px;
}

.real-table {
  margin-top: 35px;
  margin-bottom: 0;
}

.inline-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.inline-stats div {
  padding: 18px 13px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.inline-stats strong,
.inline-stats span {
  display: block;
}

.inline-stats strong {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 500;
}

.inline-stats span {
  color: var(--ink-soft);
  font-size: 0.68rem;
}

.backbone-callout {
  display: grid;
  grid-template-columns: 0.7fr 1fr 0.65fr;
  gap: 55px;
  align-items: center;
  margin: 85px 0;
  padding: 55px;
  border-radius: 10px;
  color: var(--white);
  background: var(--navy);
}

.backbone-callout h3 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: 2.3rem;
  font-weight: 500;
  line-height: 1.05;
}

.backbone-callout p {
  margin-bottom: 0;
  color: #b9c3d2;
}

.coupling-scale {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  font-size: 0.67rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.coupling-scale div {
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.coupling-scale i {
  display: block;
  width: 11px;
  height: 11px;
  margin: -4px 0 0 75%;
  border: 2px solid var(--navy);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan);
}

.realworld-figure {
  margin-top: 80px;
  padding: clamp(15px, 3vw, 35px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
}

.realworld-figure figcaption {
  max-width: 700px;
  margin: 24px auto 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  text-align: center;
}

.principles-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 90px;
}

.principle-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.principle-list li {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.principle-list > li > span {
  color: var(--cyan);
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
}

.principle-list h3 {
  margin-bottom: 5px;
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 500;
}

.principle-list p {
  margin-bottom: 0;
  color: #aeb9c9;
}

.demos-intro {
  margin-bottom: 45px;
}

.section-demos {
  max-width: 1500px;
}

.demo-task {
  margin-top: 36px;
}

.demo-task-heading {
  margin-bottom: 10px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.demo-task-heading h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(240px, 1fr));
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.video-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 5px 16px rgba(19, 35, 59, 0.04);
}

.video-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #d9dddf;
}

.video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #111;
}

.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 10px;
}

.video-method {
  font-size: 0.78rem;
  font-weight: 700;
}

.outcome {
  padding: 0;
  border-radius: 0;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: capitalize;
}

.outcome.success {
  color: #26724e;
  background: transparent;
}

.outcome.failure {
  color: #9b443c;
  background: transparent;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 25px 4vw;
  color: #7d8999;
  background: #071120;
  font-size: 0.72rem;
}

footer p {
  margin: 0;
}

@media (max-width: 1000px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .question-grid,
  .method-grid,
  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .table-section-heading,
  .compact-table-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .framework-heading,
  .objective,
  .principles-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .finding-block,
  .finding-block.reverse {
    grid-template-columns: 1fr;
  }

  .finding-block.reverse .finding-copy,
  .finding-block.reverse .result-figure {
    order: initial;
  }

  .backbone-callout {
    grid-template-columns: 1fr 1fr;
  }

  .coupling-scale {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .site-header {
    min-height: 62px;
    padding: 0 18px;
  }

  .brand span:last-child {
    display: none;
  }

  .hero {
    padding: 55px 22px 65px;
  }

  h1 {
    font-size: clamp(2.55rem, 12vw, 3.8rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .study-summary {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 35px;
  }

  .visual-break {
    padding: 0 12px 60px;
  }

  .section {
    padding: 80px 20px;
  }

  .section-grid,
  .question-grid,
  .method-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .question-card,
  .method-card,
  .metric-card {
    min-height: 0;
  }

  .question-card h3,
  .method-card h3 {
    margin-top: 35px;
  }

  .objective {
    gap: 25px;
  }

  .table-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .table-title p {
    text-align: left;
  }

  .data-table {
    font-size: 0.7rem;
  }

  .findings-intro,
  .finding-block,
  .metric-grid {
    margin-bottom: 85px;
  }

  .backbone-callout {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 32px 25px;
  }

  .coupling-scale {
    grid-column: auto;
  }

  .demo-task-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  footer {
    gap: 12px;
    flex-direction: column;
  }
}

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

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

/* Authors and affiliations for the project page. */
.project-authors {
  max-width: 960px;
  margin: 26px 0 24px;
}
.author-list,
.affiliation-list {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
}
.author-list {
  gap: 8px 22px;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.75;
}
.author-list span,
.affiliation-list span {
  white-space: nowrap;
}
.author-list + .author-list {
  margin-top: 8px;
}
.project-authors sup {
  margin-left: 2px;
  color: var(--blue);
  font-size: 0.65em;
}
.affiliation-list {
  gap: 6px 24px;
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 0.84rem;
}
@media (max-width: 640px) {
  .author-list {
    gap: 6px 16px;
    font-size: 0.88rem;
  }
  .affiliation-list {
    gap: 6px 16px;
  }
}