:root { --accent: #b9a4ff; --blue: #7fe7c9; }
.hero h1 { max-width: 1180px; font-size: clamp(50px, 8.1vw, 118px); }
.scatter-feature { display: grid; grid-template-columns: .65fr 1.35fr; align-items: center; gap: 30px; padding: clamp(24px, 4vw, 60px); background: #0b0d11; border: 1px solid var(--line); border-radius: 28px; }
.scatter-intro > p:last-child { margin-top: 20px; font: 500 clamp(30px, 3.8vw, 58px)/1.1 "Space Grotesk", sans-serif; letter-spacing: -.05em; }
.scatter-intro em { font-style: normal; color: var(--accent); }
.scatter-feature > img { display: block; width: 100%; height: auto; }
.scatter-feature .figure-caption { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 20px; margin-top: 0; }
.equation { background: #0c0c13; border: 1px solid #b9a4ff26; border-radius: 20px; padding: 24px; margin-top: 30px; overflow-x: auto; }
.equation-label { display: block; color: var(--faint); font: 9px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 20px; }
.equation > div { color: #ded4ff; font: 23px/2 Georgia, "Times New Roman", serif; text-align: center; white-space: nowrap; }
.equation sup, .equation sub { font-size: .7em; }
.fraction { display: inline-flex; flex-direction: column; vertical-align: middle; line-height: 1.5; margin: 0 6px; text-align: center; }
.fraction > span:first-child { border-bottom: 1px solid #b9a4ff77; padding: 0 7px; }
.fraction > span:last-child { padding: 0 7px; }
.math-parens { margin-left: 5px; }
.lab-section { padding: clamp(60px, 8vw, 110px) 0; border-block: 1px solid var(--line); }
.lab-intro { max-width: 760px; margin: 0 auto 45px; }
.lab-intro h2 { margin-top: 18px; font: 500 clamp(34px, 5vw, 66px)/1 "Space Grotesk", sans-serif; letter-spacing: -.055em; }
.lab-intro > p:last-child { font-size: 17px; color: var(--muted); line-height: 1.8; margin-top: 24px; }
.density-lab { display: grid; grid-template-columns: minmax(0, 1fr) 310px; border: 1px solid #b9a4ff2b; border-radius: 26px; background: #0b0d11; overflow: hidden; }
.plot-area { min-width: 0; padding: 28px; display: flex; flex-direction: column; justify-content: center; }
.plot-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 28px; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 16px; font-size: 11px; }
.chart-legend span::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: currentColor; }
.setosa { color: #7fe7c9; }
.versicolor { color: #b9a4ff; }
.virginica { color: #ffd078; }
#density-chart { display: block; width: 100%; height: 360px; }
.plot-note { font-size: 11px; color: var(--faint); line-height: 1.7; margin-top: 18px; }
.lab-controls { border-left: 1px solid var(--line); padding: 28px; }
.slider-control { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 14px 8px; padding-bottom: 26px; }
.slider-control label { font-size: 13px; color: var(--text); }
.slider-control label span { font: italic 16px Georgia, serif; color: var(--accent); margin-left: 4px; }
.slider-control output { font: 11px "IBM Plex Mono", monospace; color: var(--accent); }
.slider-control input { grid-column: 1 / -1; width: 100%; accent-color: var(--accent); cursor: pointer; min-height: 24px; }
.range-ends { grid-column: 1 / -1; display: flex; justify-content: space-between; font-size: 9px; color: var(--faint); }
.posterior { border-top: 1px solid var(--line); padding-top: 22px; }
.posterior > .mono-label { font-size: 8px; line-height: 1.7; }
.score-row { display: grid; grid-template-columns: 1fr auto; gap: 7px; margin-top: 18px; font-size: 11px; }
.score-row strong { font: 11px "IBM Plex Mono", monospace; }
.score-track { grid-column: 1 / -1; height: 4px; background: #ffffff0b; border-radius: 4px; overflow: hidden; }
.score-track i { display: block; width: 0; height: 100%; background: currentColor; }
.prediction { font-size: 11px; color: var(--muted); line-height: 1.6; margin-top: 22px; }
.lab-controls .demo-button { margin-top: 22px; font-size: 10px; }
.lab-disclaimer { max-width: 930px; margin: 24px auto 0; }
.method-list { margin-top: 30px; }
.method-list > div { border-top: 1px solid var(--line); padding: 26px 0; }
.method-list > div:last-child { border-bottom: 1px solid var(--line); }
.method-list > div > span { font: 10px "IBM Plex Mono", monospace; color: var(--accent); letter-spacing: .12em; }
.method-list h3 { font: 500 27px "Space Grotesk", sans-serif; letter-spacing: -.035em; margin-top: 14px; }
.method-list p { font-size: 15px !important; margin-top: 12px !important; }
.method-list code { display: block; margin-top: 15px; color: var(--accent); }
.results-figure { margin-top: 30px; padding: 16px; border: 1px solid var(--line); border-radius: 22px; background: #0b0d11; }
.results-figure img { display: block; width: 100%; height: auto; }
.results-figure figcaption { font-size: 11px; color: var(--faint); line-height: 1.8; padding: 16px 10px 5px; }
.archive-section { padding: clamp(60px, 8vw, 110px) 0; border-block: 1px solid var(--line); }
.archive-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.archive-grid a { display: block; background: #fff; border-radius: 16px; overflow: hidden; }
.archive-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; display: block; transition: transform .25s; }
.archive-grid a:hover img { transform: scale(1.025); }
.archive-grid figcaption { padding-top: 22px; }
.archive-grid figcaption > span { color: var(--accent); font: 10px "IBM Plex Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.archive-grid h3 { margin-top: 12px; font: 500 26px/1.1 "Space Grotesk", sans-serif; letter-spacing: -.04em; }
.archive-grid p { font-size: 14px; color: var(--muted); line-height: 1.75; margin-top: 12px; }
@media (max-width: 1050px) { .density-lab { grid-template-columns: minmax(0, 1fr) 280px; } .plot-area, .lab-controls { padding: 22px; } }
@media (max-width: 900px) {
  .scatter-feature { grid-template-columns: 1fr; }
  .scatter-intro > p:last-child br { display: none; }
  .scatter-intro > p:last-child em::before { content: " "; }
  .density-lab { grid-template-columns: 1fr; }
  .lab-controls { border-left: 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 0 30px; }
  .posterior { grid-column: 1 / -1; }
  .lab-controls .demo-button { justify-self: start; }
  .archive-grid { gap: 16px; }
}
@media (max-width: 620px) {
  .hero h1 { font-size: clamp(43px, 10.5vw, 65px); letter-spacing: -.065em; }
  .scatter-feature { padding: 22px 12px; border-radius: 20px; gap: 20px; }
  .scatter-intro { padding: 0 10px; }
  .scatter-feature .figure-caption { margin: 0 10px; }
  .lab-intro { padding-inline: 6px; }
  .plot-area { padding: 20px 12px; }
  #density-chart { height: 300px; }
  .lab-controls { grid-template-columns: 1fr; padding: 22px; }
  .equation { padding: 20px 14px; }
  .equation > div { font-size: 19px; }
  .archive-grid { grid-template-columns: 1fr; gap: 40px; }
}