/* Method: a research illustration, integrated into the page. */
.model-study { padding: 22px 0 0; scroll-margin-top: 110px; }
.model-study .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.model-study-heading { display: grid; grid-template-columns: 1.3fr 1fr; gap: 23px 7%; align-items: end; margin-bottom: 64px; }
.model-study-heading > .over { grid-column: 1 / -1; margin: 0; }
.model-study-heading h2 { font-size: clamp(42px, 4.7vw, 68px); line-height: 1.04; letter-spacing: -.025em; margin: 0; }
.model-study-heading > p { max-width: 49ch; margin: 0 0 5px; color: var(--muted); font-size: 17px; line-height: 1.7; }
.model-study-figure { margin: 0; }
.model-study-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--hairline); padding: 22px 0 32px; }
.model-study-label { color: #a6bfb4; font: 10px/1.6 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.model-study button:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 5px; }
.model-study-board { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(0, 2.8fr) minmax(175px, 1fr); gap: 28px; align-items: start; }
.model-study-board > div { min-width: 0; }
.model-column-title { color: var(--paper); font: 400 23px/1.2 var(--display); letter-spacing: -.01em; margin: 0 0 29px; }
.model-column-title > span { display: block; margin-top: 9px; color: #9fb3ae; font: 11px/1.5 var(--body); letter-spacing: .01em; }
.model-study-core .model-column-title { margin-left: 5%; }
.model-study-sources > .model-column-title { margin-bottom: 45px; }
.model-source { appearance: none; display: block; width: 100%; text-align: left; border: 0; border-radius: 0; color: var(--paper); background: transparent; margin: 0; padding: 15px 0 25px; transition: opacity .3s; }
.model-source:enabled { cursor: pointer; }
.model-source:enabled:hover .model-source-title, .model-source[aria-pressed="true"] .model-source-title { color: var(--accent-soft); text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }
.model-source-title { display: block; font: 400 16px/1.5 var(--body); color: #d5e1d7; }
.model-source > svg { display: block; width: 100%; height: auto; margin: 19px 0 0; }
.model-core-art { margin: 10px -16px 0; }
.model-core-art svg { width: 100%; height: auto; display: block; overflow: visible; }
.model-mobile-stages { display: none; }
.model-route { transition: opacity .4s; }
.model-study-figure[data-selected="price"] [data-model-channel]:not([data-model-channel="price"]),
.model-study-figure[data-selected="flow"] [data-model-channel]:not([data-model-channel="flow"]),
.model-study-figure[data-selected="language"] [data-model-channel]:not([data-model-channel="language"]) { opacity: .075; }
.model-study-figure[data-selected="price"] [data-source]:not([data-source="price"]),
.model-study-figure[data-selected="flow"] [data-source]:not([data-source="flow"]),
.model-study-figure[data-selected="language"] [data-source]:not([data-source="language"]) { opacity: .48; }
.model-core-key { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; margin: 26px 0 0; color: #a1b7ab; font: 10px/1.5 var(--body); }
.model-core-key span { display: inline-flex; align-items: center; gap: 6px; }
.model-core-key i { display: inline-block; width: 13px; height: 1px; background: #93c8b9; }
.model-core-key span:nth-child(2) i { background: #bfae8d; }
.model-core-key span:last-child { flex-basis: 100%; justify-content: center; color: #829e90; font-size: 9px; }
.model-study-output > .model-column-title { margin-bottom: 45px; }
.model-chart-label { display: block; color: #c4d3c7; font: 14px/1.5 var(--body); }
.model-estimate > svg, .model-readout > svg { display: block; width: 100%; margin-top: 18px; }
.model-readout { margin-top: 42px; }
.model-study-insight { display: grid; grid-template-columns: 1fr 1.65fr; gap: 30px; align-items: baseline; padding: 23px 0 44px; margin-top: 25px; min-height: 102px; }
.model-study-insight > span { color: #dce5da; font: 400 21px/1.25 var(--display); }
.model-study-insight > p { margin: 0; color: #a5bbaf; font-size: 13px; line-height: 1.7; max-width: 79ch; }
.model-evaluation-band { background: #fff; color: var(--paper-ink); padding-top: 56px; }
.model-evaluation-band .model-study-label { color: #14705f; }
.model-study-evaluation { display: grid; grid-template-columns: 1fr 1.65fr; gap: 60px; }
.model-evaluation-copy h3 { font: 400 30px/1.08 var(--display); margin: 14px 0 15px; }
.model-evaluation-copy > p { color: #50675d; font: 13px/1.7 var(--body); max-width: 38ch; margin: 0; }
.model-time-chart { padding-top: 3px; }
.model-time-direction { display: flex; justify-content: space-between; margin-left: 75px; margin-bottom: 20px; color: #50675d; font: 9px/1.5 var(--mono); letter-spacing: .04em; }
.model-time-row { display: grid; grid-template-columns: 75px 1fr; align-items: center; margin-top: 8px; }
.model-time-row > span { color: #50675d; font: 10px/1.5 var(--body); }
.model-time-row > div { display: grid; grid-template-columns: repeat(16, minmax(0, 1fr)); gap: 2px; height: 31px; background: repeating-linear-gradient(90deg, transparent 0%, transparent calc(6.25% - 1px), rgba(44,83,65,.09) calc(6.25% - 1px), rgba(44,83,65,.09) 6.25%); }
.model-time-row i { display: flex; align-items: center; justify-content: center; font: 10px/1 var(--body); color: #c4d7c6; font-style: normal; }
.model-time-row .fit { background: #234b40; border-left: 2px solid #638b74; color: #fff; }
.model-time-row .tune { background: #dae5d6; color: #234b40; }
.model-time-row .test { border: 1px solid #477d67; background: #f5f8f3; color: #234b40; }
.model-time-chart > p { margin: 16px 0 0 75px; color: #50675d; font: 11px/1.5 var(--body); }
.model-study-figure > figcaption { margin: 0; padding: 34px 0 64px; background: #fff; color: #627169; font: 11px/1.7 var(--body); }
.model-study-figure > figcaption p { max-width: 115ch; margin: 0; }

@media (min-width: 761px) {
  .model-inputs-aligned .model-study-sources { position: relative; align-self: stretch; }
  .model-inputs-aligned .model-source { position: absolute; top: var(--source-top); padding: 0; }
  .model-inputs-aligned .model-source > svg { margin-top: 12px; max-height: calc(var(--model-input-step) - 48px); }
}
@media (min-width: 1101px) {
  .model-core-art { margin-top: 33px; }
}
@media (min-width: 761px) and (max-width: 960px) {
  .model-study-heading { grid-template-columns: 1fr; gap: 24px; }
  .model-study-heading > p { max-width: 64ch; }
}
@media (max-width: 1100px) {
  .model-study-board { grid-template-columns: 185px minmax(0, 1fr); gap: 24px; }
  .model-study-core .model-column-title { margin-left: 0; }
  .model-study-output { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 25px; padding-top: 24px; }
  .model-study-output > .model-column-title { grid-column: 1 / -1; margin-bottom: 0; }
  .model-study-output .model-readout { margin-top: 0; }
  .model-study-insight { margin-top: 30px; }
  .model-study-evaluation { gap: 30px; }
}
@media (max-width: 760px) {
  .model-study { padding-top: 4px; }
  .model-study-heading { grid-template-columns: 1fr; gap: 23px; margin-bottom: 38px; }
  .model-study-heading h2 { font-size: clamp(39px, 8vw, 58px); }
  .model-study-heading > p { font-size: 16px; max-width: 58ch; }
  .model-study-toolbar { gap: 14px; padding: 19px 0 28px; flex-wrap: wrap; }
  .model-study-board { grid-template-columns: 1fr; gap: 32px; }
  .model-study-sources { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
  .model-study-sources > .model-column-title { grid-column: 1 / -1; margin-bottom: 4px; }
  .model-source { padding: 12px 0; }
  .model-source-title { font-size: 14px; }
  .model-core-art { margin: -20px -10px 0; }
  .model-core-art .model-slab-label { visibility: hidden; }
  .model-mobile-stages { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: -23px 0 20px; color: #c1d2c9; font: 10px/1.5 var(--body); text-align: center; }
  .model-core-key { margin-top: 8px; }
  .model-study-output { padding-top: 10px; grid-template-columns: 1fr 1fr; gap: 24px; }
  .model-study-output > .model-column-title { margin-bottom: 0; }
  .model-study-insight { grid-template-columns: 1fr; gap: 10px; min-height: 140px; padding-bottom: 26px; }
  .model-study-insight > span { font-size: 23px; }
  .model-evaluation-band { padding-top: 36px; }
  .model-study-evaluation { grid-template-columns: 1fr; gap: 26px; }
  .model-evaluation-copy h3 br { display: none; }
  .model-evaluation-copy > p { max-width: 54ch; }
  .model-time-row { grid-template-columns: 57px 1fr; }
  .model-time-direction { margin-left: 57px; font-size: 8px; }
  .model-time-row > span { font-size: 9px; }
  .model-time-row i { font-size: 8px; }
  .model-time-chart > p { margin-left: 57px; font-size: 10px; }
}
@media (max-width: 480px) {
  .model-study-sources { grid-template-columns: 1fr; gap: 0; }
  .model-source { display: grid; grid-template-columns: 1fr 1.12fr; gap: 0 16px; align-items: center; padding: 20px 0; }
  .model-source-title { grid-column: 1; font-size: 14px; }
  .model-source > svg { grid-column: 2; margin: 0; }
  .model-core-art { margin: -20px -5px 0; }
  .model-core-key { margin-top: 8px; gap: 8px 13px; font-size: 9px; }
  .model-study-output { gap: 15px; }
  .model-chart-label { font-size: 11px; }
  .model-time-row > div { gap: 1px; height: 29px; }
  .model-time-row i { font-size: 7px; }
  .model-study-figure > figcaption { font-size: 10px; padding-bottom: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .model-source, .model-route { transition: none; }
  .model-packet { display: none; }
}