:root {
  --mr-paper: var(--paper-soft, #f8f8f5);
  --mr-ink: var(--ink, #11120f);
  --mr-muted: var(--muted, #696b65);
  --mr-hairline: var(--rule, #cfd0ca);
  --mr-faint: var(--rule, #e8e8e3);
  --mr-panel: rgba(255,255,255,.58);
  --mr-max: 1440px;
  --mr-display: var(--font-display, var(--serif, "Iowan Old Style", Baskerville, "Times New Roman", serif));
  --mr-serif: var(--font-serif, var(--serif, "Iowan Old Style", Baskerville, "Times New Roman", serif));
  --mr-sans: var(--font-sans, var(--sans, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif));
}

.mr-page {
  margin: 0;
  color: var(--mr-ink);
  background:
    radial-gradient(circle at 50% -15%, rgba(255,255,255,.98), rgba(248,248,245,.92) 48%, var(--mr-paper) 100%);
  font-family: var(--mr-sans);
  -webkit-font-smoothing: antialiased;
}

.mr-page-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.mr { overflow: hidden; }
.mr-shell { width: min(calc(100% - 44px), var(--mr-max)); margin-inline: auto; }
.mr-kicker {
  margin: 0 0 22px;
  color: var(--mr-muted);
  font: 600 11px/1.2 var(--mr-sans);
  letter-spacing: .23em;
  text-transform: uppercase;
}

.mr-hero {
  min-height: 88vh;
  display: grid;
  align-content: center;
  padding-block: 104px 92px;
}
.mr-hero h1,
.mr h2 {
  margin: 0;
  font-family: var(--mr-display);
  font-weight: 400;
  letter-spacing: 0;
}
.mr-hero h1 {
  max-width: 1220px;
  font-size: 6.6rem;
  line-height: .97;
}
.mr-intro {
  max-width: 900px;
  margin-top: 44px;
  font: 23px/1.44 var(--mr-serif);
}
.mr-intro p { margin: 0 0 18px; }
.mr-grammar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 36px;
  font: 600 13px/1.2 var(--mr-sans);
  letter-spacing: .15em;
  text-transform: uppercase;
}
.mr-grammar i { color: var(--mr-hairline); font-style: normal; }
.mr-thesis {
  margin: 30px 0 0;
  font: 29px/1.35 var(--mr-serif);
}

.mr-viz-section {
  padding-block: 86px 92px;
  border-block: 1px solid var(--mr-hairline);
  background: var(--mr-panel);
  backdrop-filter: blur(8px);
}
.mr-viz-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 480px);
  gap: 60px;
  align-items: end;
  margin-bottom: 42px;
}
.mr h2 {
  font-size: 4.65rem;
  line-height: 1.01;
}
.mr-viz-intro > p {
  margin: 0;
  color: var(--mr-muted);
  font: 19px/1.55 var(--mr-serif);
}
.mr-viz-card {
  border-block: 1px solid var(--mr-faint);
  background: rgba(255,255,255,.4);
}
.mr-mobile-hint { display: none; margin: 0; padding: 12px 14px 0; color: var(--mr-muted); font: 600 10px/1.2 var(--mr-sans); letter-spacing: .12em; text-transform: uppercase; }
.mr-viz-scroll { overflow-x: auto; overscroll-behavior-inline: contain; }
.mr-viz-scroll:focus-visible { outline: 1px solid var(--mr-ink); outline-offset: 4px; }
.mr-viz-frame {
  position: relative;
  width: 100%;
  min-width: 1040px;
}
.mr-viz {
  display: block;
  width: 100%;
  height: auto;
}

/* SVG */
.mr-svg-title {
  fill: var(--mr-ink);
  font: 500 30px/1 var(--mr-sans);
  letter-spacing: .28em;
}
.mr-svg-label {
  fill: var(--mr-ink);
  font: 600 11px/1 var(--mr-sans);
  letter-spacing: .2em;
}
.mr-guides line { stroke: var(--mr-hairline); stroke-width: 1; }
.mr-guides circle { fill: var(--mr-ink); }
.mr-path,
.mr-ghost-path {
  fill: none;
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
}
.mr-path {
  stroke: #565852;
  stroke-width: .75;
  stroke-opacity: .28;
  transition: stroke-opacity .25s ease;
}
.mr-path:hover { stroke: var(--mr-ink); stroke-width: 1.35; stroke-opacity: .9; }
.mr-ghost-path {
  stroke: #777972;
  stroke-width: .55;
  stroke-dasharray: 2 4;
  stroke-opacity: 0;
}
.mr-variation-dot { fill: var(--mr-ink); opacity: .83; }
.mr-origin { fill: var(--mr-ink); }
.mr-origin-ring { fill: none; stroke: var(--mr-hairline); stroke-width: 1; vector-effect: non-scaling-stroke; }
.mr-origin-ring--outer { opacity: .38; }
.mr-category-halo,
.mr-end-halo {
  fill: none;
  stroke: var(--mr-hairline);
  stroke-width: 1;
  stroke-dasharray: 2 4;
  vector-effect: non-scaling-stroke;
}
.mr-category-node { fill: var(--mr-paper); stroke: var(--mr-ink); stroke-width: 1.1; vector-effect: non-scaling-stroke; }
.mr-authority-boundary { stroke: var(--mr-ink); stroke-width: 1; stroke-dasharray: 2 5; vector-effect: non-scaling-stroke; }
.mr-authority-arrow { fill: var(--mr-ink); }
.mr-end-dot { fill: var(--mr-ink); }
.mr-feedback {
  fill: none;
  color: var(--mr-ink);
  stroke: currentColor;
  stroke-width: 1;
  stroke-dasharray: 3 5;
  vector-effect: non-scaling-stroke;
}
.mr-svg-statement { fill: var(--mr-ink); font: 20px/1.2 var(--mr-serif); }
.mr-svg-statement--italic { fill: var(--mr-muted); font-style: italic; }

.mr-controls {
  display: grid;
  grid-template-columns: auto minmax(280px, 1fr) 110px;
  gap: 24px;
  align-items: center;
  padding: 24px 0 0;
}
.mr-button {
  appearance: none;
  border: 1px solid var(--mr-ink);
  background: transparent;
  color: var(--mr-ink);
  padding: 12px 15px;
  font: 600 11px/1 var(--mr-sans);
  letter-spacing: .13em;
  text-transform: uppercase;
  cursor: pointer;
}
.mr-button:hover,
.mr-button:focus-visible { color: white; background: var(--mr-ink); outline: 0; }
.mr-slider-wrap { min-width: 0; }
.mr-slider-labels {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--mr-muted);
  font: 600 10px/1.2 var(--mr-sans);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.mr-slider {
  width: 100%;
  margin: 10px 0 0;
  accent-color: var(--mr-ink);
  cursor: ew-resize;
}
.mr-state {
  text-align: right;
  font: 600 11px/1.2 var(--mr-sans);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.mr-state-copy {
  min-height: 34px;
  margin: 17px 0 24px;
  text-align: center;
  color: var(--mr-muted);
  font: italic 18px/1.4 var(--mr-serif);
}

.mr-legend {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 54px;
  border-top: 1px solid var(--mr-hairline);
}
.mr-legend > div {
  padding: 27px 24px 0 0;
}
.mr-legend > div + div { padding-left: 24px; border-left: 1px solid var(--mr-hairline); }
.mr-legend h3 {
  margin: 14px 0 8px;
  font: 600 11px/1.2 var(--mr-sans);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.mr-legend p { margin: 0; color: var(--mr-muted); font: 15px/1.55 var(--mr-sans); }
.mr-legend-mark { display: block; width: 38px; height: 18px; position: relative; }
.mr-legend-mark--point::after { content: ""; position: absolute; left: 2px; top: 6px; width: 7px; height: 7px; border-radius: 50%; background: var(--mr-ink); }
.mr-legend-mark--path::after { content: ""; position: absolute; left: 0; top: 9px; width: 37px; border-top: 1px solid var(--mr-ink); transform: rotate(-8deg); }
.mr-legend-mark--circle::after { content: ""; position: absolute; left: 3px; top: 1px; width: 15px; height: 15px; border-radius: 50%; border: 1px solid var(--mr-ink); }
.mr-legend-mark--boundary::after { content: ""; position: absolute; left: 8px; top: 0; height: 18px; border-left: 1px dashed var(--mr-ink); box-shadow: 8px 0 0 -0.5px var(--mr-ink); opacity: .65; }
.mr-legend-mark--loop::after { content: "↶"; position: absolute; top: -8px; left: 0; font: 27px var(--mr-serif); }

.mr-essay { padding-block: 116px; }
.mr-essay-grid,
.mr-definition-grid {
  display: grid;
  grid-template-columns: minmax(280px, .86fr) minmax(0, 1.14fr);
  gap: clamp(50px, 8vw, 130px);
  align-items: start;
}
.mr-prose { max-width: 780px; font: 23px/1.54 var(--mr-serif); }
.mr-prose p { margin: 0 0 24px; }
.mr-small { color: var(--mr-muted); font-size: 17px; }
.mr-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 34px 0;
  font: 600 11px/1.3 var(--mr-sans);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.mr-examples span:not(:last-child)::after { content: "·"; margin-left: 14px; color: var(--mr-hairline); }
.mr-definition {
  padding-block: 108px;
  border-block: 1px solid var(--mr-hairline);
  background: rgba(255,255,255,.44);
}
.mr-three-lines { font-size: 2.65rem; line-height: 1.28; }
.mr blockquote {
  margin: 38px 0 0;
  padding: 0;
  border: 0;
  font-size: 3.35rem;
  line-height: 1.13;
  letter-spacing: 0;
}
.mr-footer {
  padding-block: 34px 62px;
  border-top: 1px solid var(--mr-hairline);
  color: var(--mr-muted);
  font: 13px/1.6 var(--mr-sans);
}
.mr-footer p { max-width: 930px; margin: 0 0 12px; }
.mr-scope { font-size: 12px; }

@media (max-width: 900px) {
  .mr-shell { width: min(calc(100% - 30px), var(--mr-max)); }
  .mr-hero { min-height: auto; padding-block: 84px 70px; }
  .mr-intro { font-size: 20px; }
  .mr-viz-intro,
  .mr-essay-grid,
  .mr-definition-grid { grid-template-columns: 1fr; gap: 28px; }
  .mr-mobile-hint { display: block; }
  .mr-controls { grid-template-columns: 1fr; }
  .mr-button { justify-self: start; }
  .mr-state { text-align: left; }
  .mr-legend { grid-template-columns: 1fr; }
  .mr-legend > div,
  .mr-legend > div + div { padding: 22px 0; border-left: 0; border-bottom: 1px solid var(--mr-hairline); }
  .mr-essay, .mr-definition { padding-block: 82px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* Complete essay refinements */
.mr-tooltip {
  position: fixed;
  z-index: 20;
  width: min(280px, calc(100vw - 28px));
  padding: 12px 14px;
  border: 1px solid var(--mr-hairline);
  background: rgba(248,248,245,.96);
  box-shadow: 0 10px 30px rgba(17,18,15,.08);
  pointer-events: none;
  transform: none;
  font: 13px/1.45 var(--mr-sans);
}
.mr-tooltip strong {
  display: block;
  margin-bottom: 3px;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.mr-tooltip span { color: var(--mr-muted); }
.mr-variation-dot.is-active { r: 3.5; opacity: 1; }
.mr-dot-controls {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.mr-dot-button {
  position: absolute;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: transparent;
  background: transparent;
  cursor: help;
  pointer-events: auto;
}
.mr-dot-button:focus-visible {
  outline: 1px solid var(--mr-ink);
  outline-offset: 2px;
  background: rgba(21, 20, 17, 0.04);
}

.mr-still {
  margin: 48px 0 0;
  border-block: 1px solid var(--mr-faint);
  background: rgba(255,255,255,.38);
}
.mr-still svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 220px;
}
.mr-still figcaption {
  padding: 11px 0 0;
  color: var(--mr-muted);
  font: 600 10px/1.4 var(--mr-sans);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.mr-still-path,
.mr-still-ghost,
.mr-still-feedback,
.mr-still-boundary,
.mr-still-halo {
  fill: none;
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
}
.mr-still-path { stroke: #565852; stroke-width: .65; stroke-opacity: .3; }
.mr-still-ghost { stroke: #777972; stroke-width: .5; stroke-dasharray: 2 4; stroke-opacity: .08; }
.mr-still-feedback { stroke: var(--mr-ink); stroke-width: .9; stroke-dasharray: 3 5; }
.mr-still-boundary { stroke: var(--mr-ink); stroke-width: .8; stroke-dasharray: 2 5; }
.mr-still-halo { stroke: var(--mr-hairline); stroke-width: .85; stroke-dasharray: 2 4; }
.mr-still-dot { fill: var(--mr-ink); opacity: .78; }
.mr-still-node { fill: var(--mr-paper); stroke: var(--mr-ink); stroke-width: .9; vector-effect: non-scaling-stroke; }
.mr-still-label { fill: var(--mr-muted); font: 600 9px var(--mr-sans); letter-spacing: .14em; }
.mr-still-emphasis { stroke: var(--mr-ink); stroke-width: 1.8; stroke-opacity: .92; }

.mr-definition .mr-still { background: rgba(248,248,245,.3); }
.mr-prose strong { font-weight: 600; }
.mr-prose > p:last-child { margin-bottom: 0; }

@media (max-width: 1200px) {
  .mr-hero h1 {
    font-size: 5.3rem;
  }

  .mr h2 {
    font-size: 3.9rem;
  }

  .mr blockquote {
    font-size: 2.8rem;
  }
}

@media (min-width: 901px) {
  .mr-essay-grid > div:first-child,
  .mr-definition-grid > div:first-child { position: sticky; top: 92px; }
}

@media (max-width: 900px) {
  .mr-still { margin-top: 30px; }
  .mr-still svg { min-height: 170px; }
  .mr-hero h1 { font-size: 4rem; line-height: 1; }
  .mr h2 { font-size: 3.1rem; }
  .mr-three-lines { font-size: 2rem; }
  .mr blockquote { font-size: 2.25rem; }
  .mr-prose { font-size: 20px; }
}

@media (max-width: 620px) {
  .mr-hero h1 {
    font-size: 3.1rem;
    line-height: 1.04;
  }

  .mr h2 {
    font-size: 2.45rem;
  }

  .mr-intro,
  .mr-prose {
    font-size: 18px;
  }

  .mr-thesis {
    font-size: 1.45rem;
  }

  .mr-grammar {
    font-size: 0.68rem;
  }

  .mr-viz-frame {
    min-width: 900px;
  }
}

@media (max-width: 430px) {
  .mr-page .site-header {
    flex-wrap: wrap;
  }

  .mr-page-nav {
    width: 100%;
    justify-content: space-between;
  }
}