:root {
  color-scheme: light;
  --ink: #302b27;
  --muted: #6b625b;
  --accent: #984b2b;
  --line: #e2d9cf;
  --wash: #f5eee6;
  font-family: Cambria, Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; }
a { color: var(--accent); text-decoration: none; text-underline-offset: 4px; }
a:hover { text-decoration: underline; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
img { max-width: 100%; height: auto; display: block; }
figure { margin: 32px 0; }
sup { font-size: .65em; }
.skip-link { position: fixed; top: -60px; left: 20px; background: white; padding: 12px; z-index: 10; }
.skip-link:focus { top: 10px; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 22px 40px; position: absolute; width: 100%; z-index: 3; }
.wordmark { color: var(--ink); font-size: 23px; letter-spacing: -.8px; font-weight: 800; }
.topbar nav { display: flex; gap: 36px; font-size: 14px; }
.hero { min-height: 840px; padding: 168px 40px 110px; display: grid; grid-template-columns: minmax(310px, .8fr) minmax(0, 1.45fr); gap: 5vw; align-items: center; position: relative; background: radial-gradient(ellipse at 85% 5%, #ead8c5 0, #f8f3ec 50%, white 85%); }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: .13em; line-height: 1.5; color: var(--muted); }
.hero-copy { max-width: 510px; justify-self: end; }
h1 { font-size: clamp(38px, 3.8vw, 62px); font-weight: 500; letter-spacing: -.055em; line-height: 1.13; margin: 26px 0; }
.hero-summary { font-size: 19px; color: var(--muted); line-height: 1.6; margin-bottom: 32px; }
.resource-links { display: flex; gap: 24px; flex-wrap: wrap; font-size: 16px; }
.resource-links a { color: var(--ink); }
.hero-media { margin: 0; }
.hero-media .video-shell { margin-top: 0; }
.hero-media figcaption { font-size: 12px; margin-top: 14px; }
.scroll-link { position: absolute; left: 40px; right: 40px; bottom: 32px; border-top: 1px solid var(--line); padding-top: 20px; font-size: 13px; display: flex; justify-content: space-between; }
.research-heading { max-width: 1040px; margin: 80px auto 0; padding: 0 40px; }
.research-heading h2 { font-size: clamp(30px, 3.4vw, 48px); font-weight: 500; letter-spacing: -.04em; line-height: 1.15; margin: 22px 0 30px; }
.authors { font-size: 16px; line-height: 1.9; max-width: 880px; }
.affiliations { color: var(--muted); font-size: 12px; line-height: 1.9; }
.article-meta { display: flex; gap: 28px; flex-wrap: wrap; font-size: 12px; padding: 24px 0; margin-top: 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); }
.research-layout { display: grid; grid-template-columns: 210px minmax(0, 900px); gap: 72px; max-width: 1320px; padding: 0 40px; margin: 70px auto 120px; align-items: start; }
.contents { position: sticky; top: 40px; }
.contents nav { display: grid; margin-top: 26px; gap: 18px; }
.contents nav a { color: var(--muted); font-size: 12px; display: flex; gap: 14px; }
.contents nav span { font-size: 10px; color: #8a7f74; padding-top: 2px; font-variant-numeric: tabular-nums; }
.contents nav a[aria-current="location"] { color: var(--accent); }
.article section { padding: 0 0 66px; margin-bottom: 60px; border-bottom: 1px solid var(--line); }
.article section:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.section-number { font-size: 12px !important; color: var(--accent) !important; margin: 0 0 18px !important; }
.article h2 { font-size: clamp(29px, 3vw, 42px); font-weight: 500; letter-spacing: -.04em; line-height: 1.18; margin: 0 0 28px; }
.article h3 { font-size: 22px; font-weight: 500; letter-spacing: -.025em; margin: 34px 0 14px; line-height: 1.3; }
.article p { font-size: 16px; line-height: 1.8; margin: 0 0 20px; color: #514a43; }
.article p.lead { font-size: 21px; line-height: 1.6; color: var(--ink); }
.article figure img { width: 100%; }
figcaption, .article p.caption { color: var(--muted); font-size: 12px; line-height: 1.65; margin-top: 16px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; margin-top: 42px; }
.principles div { border-top: 2px solid var(--accent); padding-top: 18px; }
.principles span { font-size: 10px; color: var(--accent); letter-spacing: .08em; }
.principles p { font-size: 14px; margin: 12px 0 0; line-height: 1.6; }
.video-shell { aspect-ratio: 16/9; background: #e9dfd3; margin-top: 30px; }
iframe { width: 100%; height: 100%; border: 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; align-items: center; margin-top: 30px; }
.split h3 { margin-top: 0; }
.split p { font-size: 15px; }
.split figure { margin: 0; }
details { margin-top: 35px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 20px 0; }
summary { cursor: pointer; font-size: 14px; color: var(--accent); }
details p { margin: 20px 0 0 !important; font-size: 14px !important; }
.table-scroll { overflow-x: auto; margin: 32px 0 16px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 14px; text-align: left; }
caption { text-align: left; color: var(--muted); font-size: 11px; letter-spacing: .05em; padding-bottom: 16px; }
th, td { padding: 17px 12px; border-bottom: 1px solid var(--line); }
thead th { font-weight: 500; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); vertical-align: top; }
th small { font-size: 10px; display: block; font-weight: 400; margin-top: 6px; white-space: nowrap; }
tbody th { font-weight: 500; }
td { white-space: nowrap; }
.ours { background: var(--wash); color: #794026; }
.ours th, .ours td { font-weight: 600; }
.article .scope-note { font-size: 13px; background: var(--wash); border-left: 2px solid var(--accent); padding: 18px 22px; }
.payload-results { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 0; margin: 32px 0 20px; }
.payload-results div { display: flex; flex-direction: column; gap: 12px; }
.payload-results div>span { font-size: 13px; color: var(--muted); }
.payload-results strong { font-size: 46px; line-height: 1.1; font-weight: 500; letter-spacing: -.06em; }
.payload-results strong span { font-size: 23px; color: #8a7f74; }
.payload-results small { font-size: 12px; color: var(--accent); }
.resource-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.resource-cards a { padding: 26px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 20px; }
.resource-cards a:hover { background: var(--wash); text-decoration: none; }
.resource-cards span { color: var(--muted); font-size: 10px; letter-spacing: .1em; }
.resource-cards strong { font-size: 20px; font-weight: 500; }
.resource-cards small { color: var(--muted); font-size: 12px; line-height: 1.6; }
.citation-header { display: flex; align-items: center; gap: 20px; margin-top: 40px; flex-wrap: wrap; }
.citation-header h3 { margin: 0; }
button { font: inherit; font-size: 12px; color: var(--accent); background: white; border: 1px solid var(--line); padding: 10px 14px; cursor: pointer; }
#copy-status { font-size: 12px; color: var(--muted); }
pre { font-family: inherit; font-size: 12px; line-height: 1.8; padding: 24px; background: #f8f5f0; white-space: pre-wrap; overflow-wrap: anywhere; }
footer { border-top: 1px solid var(--line); padding: 35px 40px; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 12px; }
footer span { color: var(--muted); }
@media (min-width: 1600px) {
  .hero { padding-left: max(40px, calc((100vw - 1500px)/2)); padding-right: max(40px, calc((100vw - 1500px)/2)); }
}
@media (max-width: 1050px) {
  .research-layout { grid-template-columns: 155px minmax(0, 1fr); gap: 35px; padding: 0 28px; }
  .hero { min-height: 700px; padding: 130px 28px 100px; grid-template-columns: .9fr 1.2fr; gap: 28px; }
  h1 { font-size: 42px; }
  .principles { gap: 16px; }
  .split { grid-template-columns: 1fr; }
  .split figure { max-width: 580px; width: 100%; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 24px; }
  .topbar { padding: 20px; }
  .topbar nav { gap: 20px; font-size: 12px; }
  .topbar nav a:nth-child(2) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 110px 20px 90px; gap: 40px; }
  .hero-copy { justify-self: start; max-width: 100%; }
  .hero-media { order: -1; }
  h1 { font-size: clamp(36px, 7.3vw, 52px); }
  .hero-summary { font-size: 17px; margin-bottom: 24px; }
  .hero-media figcaption { font-size: 11px; }
  .scroll-link { left: 20px; right: 20px; bottom: 22px; }
  .research-heading { margin-top: 52px; padding: 0 20px; }
  .authors { font-size: 14px; }
  .article-meta { gap: 12px 22px; }
  .research-layout { display: block; padding: 0 20px; margin: 40px auto 70px; }
  .contents { position: static; margin-bottom: 45px; padding-bottom: 25px; border-bottom: 1px solid var(--line); }
  .contents nav { grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
  .contents nav a { font-size: 11px; gap: 8px; }
  .article section { padding-bottom: 42px; margin-bottom: 42px; }
  .article p { font-size: 15px; }
  .article p.lead { font-size: 19px; }
  .principles { grid-template-columns: 1fr; gap: 22px; }
  .principles p { margin-top: 8px; }
  th, td { padding: 13px 10px; font-size: 12px; }
  .payload-results { grid-template-columns: 1fr 1fr; gap: 30px; }
  .payload-results strong { font-size: 40px; }
  .resource-cards { grid-template-columns: 1fr; gap: 16px; }
  footer { padding: 26px 20px; flex-wrap: wrap; }
  footer span { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}