.reveal .rf-open {
  position: static; display: block; margin: 18px auto 0;
  font: 400 22px/1.2 var(--font-serif); color: var(--fg);
  padding: 7px 14px; border: 1px solid currentColor; background: #f0efec; cursor: pointer;
}
.rf-dialog {
  --rf-scale: 1; padding: 0; border: 0; max-width: none; max-height: none;
  width: calc(1380px * var(--rf-scale)); height: calc(950px * var(--rf-scale));
  overflow: visible; background: transparent; color: #17354b;
}
.rf-dialog::backdrop { background: #222b; }
.rf-dialog.rf-to-paper::backdrop { animation: rf-backdrop-clear 200ms ease-out forwards; }
.rf-dialog.rf-to-paper .rf-canvas { animation: rf-shadow-clear 500ms ease-out forwards; }
@keyframes rf-backdrop-clear { to { background: transparent; } }
@keyframes rf-shadow-clear { to { box-shadow: 0 18px 70px #102b4900; } }
.rf-dialog.rf-dialog-shared-controls { position: fixed; inset: 0; margin: 0; width: 100%; height: 100%; }
.rf-dialog-shared-controls .rf-canvas { position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(var(--rf-scale)); transform-origin: center; }
.rf-dialog-polished .rf-canvas { z-index: 1; will-change: transform, opacity; }
.rf-dialog-polished { --rf-head-duration: 820ms; --rf-fade-duration: 450ms; --rf-reveal-delay: 0ms; }
.rf-dialog-polished.rf-face-opening { --rf-reveal-delay: var(--rf-head-duration); }
.rf-dialog-polished.rf-opening .rf-canvas {
  animation: rf-brochure-enter var(--rf-fade-duration) cubic-bezier(.2, .75, .25, 1) var(--rf-reveal-delay) both;
}
@keyframes rf-brochure-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}
.rf-dialog-polished.rf-opening::backdrop { animation: rf-brochure-enter var(--rf-fade-duration) ease var(--rf-reveal-delay) both; }
.rf-portrait-stage { position: absolute; left: 50%; top: 50%; width: 1380px; height: 950px;
  transform: translate(-50%, -50%) scale(var(--rf-scale)); transform-origin: center;
  clip-path: inset(3px); pointer-events: none; z-index: 2; }
.rf-portrait-flight { transform-origin: 0 0; transform-box: view-box;
  transform: matrix(1, 0, 0, 1, 0, 0); will-change: transform; }
.rf-face-opening .rf-portrait-flight {
  animation: rf-face-travel var(--rf-head-duration) cubic-bezier(.25, .65, .25, 1) both;
}
.rf-face-opening .rf-portrait-body {
  animation: rf-brochure-enter var(--rf-fade-duration) cubic-bezier(.2, .75, .25, 1) var(--rf-reveal-delay) both;
}
.rf-face-opening .rf-portrait {
  animation: rf-portrait-shadow var(--rf-fade-duration) ease var(--rf-reveal-delay) both;
}
@keyframes rf-portrait-shadow {
  from { filter: drop-shadow(-10px 12px 18px #04263d00); }
  to { filter: drop-shadow(-10px 12px 18px #04263d40); }
}
@keyframes rf-face-travel {
  from { transform: var(--rf-head-from); }
  to { transform: matrix(1, 0, 0, 1, 0, 0); }
}
/* One classic toothpaste-ad sparkle after the entire cover has settled. */
.rf-tooth-flash { opacity: 0; transform: scale(.2) rotate(-18deg);
  transform-origin: 0 0; transform-box: view-box; }
.rf-smile-glint .rf-tooth-flash { animation: rf-tooth-twinkle 620ms ease-out both; }
@keyframes rf-tooth-twinkle {
  0% { opacity: 0; transform: scale(.2) rotate(-18deg); }
  24% { opacity: 1; transform: scale(1.12) rotate(0deg); }
  45% { opacity: .95; transform: scale(.88) rotate(12deg); }
  100% { opacity: 0; transform: scale(.08) rotate(32deg); }
}
/* Reflective gold backing and a soft halo stay under the opaque brochure. */
.rf-cover-glow { position: absolute; inset: 0; overflow: clip; pointer-events: none;
  z-index: 0; opacity: 1; transition: opacity 200ms ease-out; }
.rf-dialog-polished .rf-cover-glow { will-change: transform, opacity; }
.rf-dialog-polished.rf-opening .rf-cover-glow {
  animation: rf-gold-enter var(--rf-fade-duration) ease var(--rf-reveal-delay) both;
}
@keyframes rf-gold-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}
/* Paint the gold once during the entrance; resume its approved reflections afterward. */
.rf-dialog-polished.rf-opening .rf-cover-glow::before,
.rf-dialog-polished.rf-opening .rf-cover-glow::after { animation-play-state: paused; }
.rf-cover-glow::before, .rf-cover-glow::after { content: ''; position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%); }
.rf-cover-glow::before {
  width: calc(1380px * var(--rf-scale) + 72px); height: calc(950px * var(--rf-scale) + 72px);
  border-radius: 20px; filter: blur(25px);
  background: radial-gradient(ellipse, #fff0b9e6 45%, #e8ad36cc 72%, #9b5c1677 90%);
  animation: rf-gold-breathe 5s ease-in-out infinite alternate;
}
.rf-cover-glow::after {
  width: calc(1380px * var(--rf-scale) + 26px); height: calc(950px * var(--rf-scale) + 26px);
  border-radius: 8px;
  background: linear-gradient(118deg, #79440d 0%, #dca02b 8%, #ffe699 18%, #fffbe3 24%,
    #b5710f 30%, #e8b33d 42%, #fff0ad 53%, #fffdf0 61%, #d3911b 72%, #8c5011 84%, #f8d275 96%);
  background-size: 260% 100%; box-shadow: 0 0 12px #ffd66b99, inset 0 0 0 1px #fff2bd;
  animation: rf-cover-lustre 4s ease-in-out infinite alternate;
}
@keyframes rf-cover-lustre {
  from { background-position: 0% 50%; }
  to { background-position: 100% 50%; }
}
@keyframes rf-gold-breathe {
  from { opacity: .65; }
  to { opacity: .95; }
}
.rf-dialog.rf-to-paper .rf-cover-glow { opacity: 0; }
@media (prefers-reduced-motion: reduce) {
  .rf-dialog-polished.rf-opening .rf-canvas,
  .rf-dialog-polished.rf-opening::backdrop { animation: none; }
  .rf-face-opening .rf-portrait-flight,
  .rf-face-opening .rf-portrait,
  .rf-face-opening .rf-portrait-body { animation: none; }
  .rf-tooth-glint { display: none; }
  .rf-cover-glow { display: none; }
}
/* Keep the original navigation reachable while it is the popup's next control. */
.rf-dialog[open] > .lv-bar { opacity: 1 !important; pointer-events: auto !important; }
.rf-canvas {
  /* The historical English cover shares this edge with its quote masks. */
  --rf-blue-cut: polygon(831.32px 0, 100% 0, 100% 100%, 742px 100%);
  --rf-white-cut: polygon(0 0, 831.32px 0, 742px 100%, 0 100%);
  position: relative; width: 1380px; height: 950px; box-sizing: border-box;
  transform: scale(var(--rf-scale)); transform-origin: top left;
  font: 400 26px/1.25 Arial, 'Helvetica Neue', sans-serif; color: #17354b;
  background: #fff;
  /* Clip the corner portrait without creating a focus-scrollable viewport. */
  box-shadow: 0 18px 70px #102b4960; isolation: isolate; overflow: clip;
}
.rf-canvas::before {
  content: ''; position: absolute; inset: 0; border: 1px solid #dce5ec;
  pointer-events: none; z-index: 4;
}
.rf-canvas-sv::before { border: 3px solid #126f9b; z-index: 11; }
.rf-canvas * { box-sizing: border-box; }
.rf-canvas [hidden] { display: none !important; }
.rf-canvas p, .rf-canvas h1, .rf-canvas h2 { margin: 0; }
.rf-canvas button {
  font: 500 22px/1.15 Arial, 'Helvetica Neue', sans-serif; padding: 6px 18px; border: 1px solid #c7d5df;
  background: #fff; color: #17354b; cursor: pointer; border-radius: 6px;
}
.rf-canvas button:focus-visible { outline: 3px solid #126f9b; outline-offset: 4px; }
.rf-canvas button:disabled { cursor: default; opacity: .45; }
.rf-close { position: absolute; right: 28px; top: 28px; width: 42px; height: 42px; padding: 0 !important; border: 0 !important; font-size: 32px !important; background: #fff !important; border-radius: 50% !important; box-shadow: 0 2px 14px #102b4920; z-index: 12; }
.rf-canvas .rf-close:focus-visible { outline-color: #17354b; box-shadow: 0 0 0 11px #fff; }
.rf-advert-chrome { position: absolute; inset: 0; opacity: 1; pointer-events: none; z-index: 4; }
.rf-cover-field { position: absolute; inset: 0; background: linear-gradient(150deg, #143d66, #095e71) right top / 638px 950px no-repeat; clip-path: var(--rf-blue-cut); }
.rf-cover-field svg { position: absolute; left: 742px; top: 0; width: 638px; height: 950px; }
.rf-cover-field path { fill: none; stroke: #b4efe1; stroke-width: 1.5; opacity: .16; }
.rf-brand-mark { position: absolute; left: 64px; top: 31px; width: 44px; height: 44px; }
.rf-brand-mark path { fill: none; stroke: #126f9b; stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }
.rf-brand-mark path:last-child { stroke: #149c91; }
.rf-brand { position: absolute; left: 119px; top: 28px; font-size: 42px; font-weight: 700; letter-spacing: -.04em; color: #17354b; }
.rf-brand sup { font: 400 15px Arial, sans-serif; vertical-align: super; margin-left: 4px; }
.rf-brand-descriptor { position: absolute; left: 121px; top: 79px; font-size: 12px; font-weight: 700; letter-spacing: .3em; color: #526b7b; }
.rf-headline { position: absolute; left: 64px; top: 117px; width: 660px; font-size: 43px; line-height: 1.04; font-weight: 700; letter-spacing: -.035em; }
.rf-headline span { display: block; }
.rf-headline span:last-child { color: #126f9b; }
.rf-product { position: absolute; top: 51px; left: 900px; font-size: 22px; font-weight: 700; color: #fff; }
.rf-hero-proof { position: absolute; left: 900px; top: 112px; width: 410px; color: #fff; font-size: 20px; line-height: 1.25; font-variant-numeric: tabular-nums; }
.rf-hero-value { display: flex; align-items: baseline; gap: 14px; padding: 8px 0; white-space: nowrap; }
.rf-hero-value span { font-size: 25px; font-weight: 400; }
.rf-hero-r { font-size: 62px; line-height: 1; letter-spacing: -.045em; }
.rf-hero-n { color: #97efd5; }
.rf-benefits { position: absolute; left: 900px; top: 260px; margin: 0; padding: 0; list-style: none; color: #fff; font-size: 19px; line-height: 1.25; }
.rf-benefits li { position: relative; padding-left: 24px; margin-bottom: 10px; }
.rf-benefits li::before { content: ''; position: absolute; left: 0; top: 5px; width: 9px; height: 9px; border: 2px solid #97efd5; border-radius: 50%; }
.rf-portrait { --rf-portrait-angle: -6deg; position: absolute; right: -55px; bottom: -85px; width: 500px; height: 595px; object-fit: contain; object-position: right bottom; transform: rotate(var(--rf-portrait-angle)); transform-origin: right bottom; filter: drop-shadow(-10px 12px 18px #04263d40); z-index: 5; }
.rf-portrait-media { position: absolute; right: 0; bottom: 0; display: block; width: 100%; height: auto;
  aspect-ratio: 1086 / 1289; margin: 0; border: 0; overflow: visible; }
.rf-quote { position: absolute; inset: 0; z-index: 6; }
.rf-quote-layer { position: absolute; inset: 0; color: #17354b; clip-path: var(--rf-white-cut); }
.rf-quote-light { color: #fff; clip-path: var(--rf-blue-cut); }
.rf-quote-text { position: absolute; left: 700px; top: 350px; width: 600px; font: italic 29px/1.28 Arial, 'Helvetica Neue', sans-serif; }
.rf-quote-text > span { display: block; width: fit-content; max-width: 100%; }
.rf-method-promise { position: absolute; left: 900px; top: 112px; width: 410px; color: #fff; }
.rf-method-promise .rf-promise-lead { color: #97efd5; font-size: 18px; margin-bottom: 12px; }
.rf-method-promise h2 { font-size: 36px; line-height: 1.08; letter-spacing: -.025em; margin-bottom: 18px; }
.rf-method-promise .rf-promise-body { font-size: 21px; line-height: 1.38; }
.rf-sales-tagline { position: absolute; left: 900px; top: 400px; width: 410px;
  color: #fff; font: italic 27px/1.28 Arial, 'Helvetica Neue', sans-serif; z-index: 6; }
.rf-ad-footer { position: absolute; left: 64px; top: 812px; width: 660px; font-size: 22px; line-height: 1.25; font-weight: 700; }
.rf-ad-footer::before { content: ''; position: absolute; left: 0; top: -17px; width: 42px; height: 4px; background: #149c91; }
.rf-pitch { padding-top: 7px; color: #526b7b; font-size: 18px; line-height: 1.2; font-weight: 400; }
.rf-inspection-title { position: absolute; left: 64px; top: 69px; font-size: 44px; font-weight: 700; opacity: 0; letter-spacing: -.025em; }
.rf-inspection-subtitle { position: absolute; left: 64px; top: 134px; width: 1190px; font-size: 27px; opacity: 0; }
.rf-plot { position: absolute; top: 228px; width: 600px; height: 548px; margin: 0; z-index: 2; }
.rf-full { left: 54px; }
.rf-local { left: 726px; opacity: 0; visibility: hidden; }
.rf-plot-heading { position: absolute; left: 32px; top: 0; font-size: 27px; font-weight: 700; }
.rf-context-key { position: absolute; left: 32px; top: 37px; font-size: 19px; color: #526b7b; }
.rf-stat { position: absolute; right: 16px; top: 0; color: #126f9b; font: 700 34px/1.05 Arial, sans-serif; font-variant-numeric: tabular-nums; }
.rf-stat small { display: block; color: #526b7b; font: 400 20px/1.1 Arial, sans-serif; text-align: right; padding-top: 5px; }
.rf-plot svg { position: absolute; top: 65px; left: 0; display: block; width: 600px; height: 482px; overflow: visible; }
.rf-plot svg text { fill: #456176; font: 400 20px Arial, sans-serif; }
.rf-plot svg .rf-axis-title { font-size: 23px; }
.rf-paper-capable .rf-plot svg text { fill: var(--fg, #3a3a3a);
  font-family: var(--font-serif, "Tinos", "Times New Roman", serif); }
/* The same readout keeps its width and baseline when the graph moves onto paper. */
.rf-paper-capable .rf-stat, .rf-analysis-sheet .rf-plot-heading {
  font: 700 27px/1.2 var(--font-serif, "Tinos", "Times New Roman", serif);
}
.rf-plot svg .rf-line-key { font-size: 17px; font-style: italic; }
.rf-plot svg .rf-point { fill: #126f9b; }
.rf-plot svg .rf-plot-border { stroke: #d7e3eb; }
.rf-plot svg .rf-grid { stroke: #17354b; opacity: .08; }
.rf-canvas-sv .rf-plot svg .rf-grid { display: none; }
.rf-plot svg .rf-axis { stroke: #6c8494; }
.rf-plot svg .rf-identity-line { stroke: #6c8494; }
.rf-plot .rf-r-ring { top: -12px; left: auto; right: -4px; width: 148px; height: 58px;
  pointer-events: none; z-index: 3; }
.rf-r-ring path { opacity: 0; stroke-dasharray: 1; stroke-dashoffset: 1; }
.rf-analysis-sheet[data-state=inspected] .rf-r-ring path {
  opacity: 1; stroke-dashoffset: 0; animation: rf-pen-circle 720ms 120ms cubic-bezier(.4, 0, .2, 1) both;
}
@keyframes rf-pen-circle { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
.rf-sd { position: absolute; left: 64px; top: 548px; width: 536px; font-size: 23px; opacity: 0; }
.rf-global-sd { opacity: 0; }
.rf-connector { position: absolute; left: 0; top: 0; width: 1380px; height: 950px; pointer-events: none; }
.rf-takeaway { position: absolute; top: 812px; left: 70px; width: 1240px; opacity: 0; font-size: 26px; font-weight: 500; }
.rf-limit { position: absolute; top: 849px; left: 70px; width: 1240px; font-size: 18px; line-height: 1.1; color: #526b7b; opacity: 0; }
.rf-actions { position: absolute; bottom: 28px; left: 64px; right: 64px; display: flex; align-items: center; gap: 18px; height: 44px; z-index: 10; }
.rf-actions .rf-forward { margin-left: auto; background: #97efd5; border-color: #97efd5; color: #123c57; font-weight: 700; min-width: 230px; box-shadow: 0 3px 16px #082a4826; }
.rf-actions .rf-forward:focus-visible { outline-color: #fff; }
.rf-counterfactual { visibility: hidden; }
.rf-canvas .rf-counterfactual[aria-pressed=true] { background: #126f9b; border-color: #126f9b; color: #fff; }
.rf-dialog [hidden] { display: none !important; }
.rf-sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; clip-path: inset(50%); overflow: hidden; white-space: nowrap; }
@media (prefers-reduced-motion: reduce) { .rf-dialog *, .rf-dialog *::before { transition: none !important; animation: none !important; } }

/* The explanation is the actual Reveal paper underneath the modern brochure. */
.rf-canvas { margin: 0; }
.rf-canvas-sv::before { opacity: var(--rf-cover-opacity, 1); }
.rf-paper-only { display: none; }
.rf-plot-print-border { stroke: #3a3a3a; opacity: 0; }
/* Complete the figure's ink and rules before moving it onto the paper. */
.rf-dialog.rf-to-paper .rf-full svg text, .rf-dialog.rf-to-paper .rf-full .rf-point,
.rf-dialog.rf-to-paper .rf-full .rf-axis, .rf-dialog.rf-to-paper .rf-full .rf-grid,
.rf-dialog.rf-to-paper .rf-full .rf-plot-border, .rf-dialog.rf-to-paper .rf-full .rf-plot-print-border,
.rf-dialog.rf-to-paper .rf-full .rf-stat {
  transition: fill 500ms, stroke 500ms, stroke-width 500ms, rx 500ms, color 500ms, opacity 500ms;
}
.rf-dialog.rf-to-paper .rf-full svg text, .rf-dialog.rf-to-paper .rf-full .rf-point { fill: #3a3a3a; }
.rf-dialog.rf-to-paper .rf-full .rf-axis, .rf-dialog.rf-to-paper .rf-full .rf-grid { stroke: #3a3a3a; }
.rf-dialog.rf-to-paper .rf-full .rf-stat { color: #3a3a3a; }
.rf-dialog.rf-to-paper .rf-full .rf-plot-border { stroke: #3a3a3a; stroke-width: 3.5; rx: 0; }
.rf-dialog.rf-to-paper .rf-plot-print-border, .rf-analysis-sheet .rf-plot-print-border { opacity: 1; }
.reveal .rf-advert-slide .rf-open {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  box-sizing: border-box; display: grid; place-items: center; margin: 0;
  width: 128px; height: 123px; padding: 0; border: 0; border-radius: 0;
  background: transparent; color: var(--fg); font: 400 26px/1 var(--font-serif);
  box-shadow: none; appearance: none; overflow: visible;
}
.reveal .rf-advert-slide .rf-open-face {
  display: block; width: 100%; height: 100%; max-width: none; max-height: none;
  margin: 0; border: 0; box-shadow: none; object-fit: contain;
  pointer-events: none; user-select: none;
}
.reveal .rf-advert-slide .rf-open:focus-visible { outline: 1px dashed var(--fg); outline-offset: 4px; }
.reveal .rf-advert-slide .rf-open.rf-open-error {
  display: block; width: auto; height: auto; padding: 7px 14px; border-radius: 0;
  color: var(--fg); background: #f0efec; font: 400 22px/1.2 var(--font-serif);
}
.rf-advert-slide[data-rf-state=animating] .rf-open,
.rf-advert-slide[data-rf-state=inspected] .rf-open,
.rf-advert-slide[data-rf-opening] .rf-open { visibility: hidden; }
.rf-analysis-slot { position: absolute; left: 270px; top: 54px; width: 1380px; height: 950px; }
/* The empty plot host must not intercept clicks on the brochure trigger. */
.rf-analysis-slot:empty { pointer-events: none; }
.rf-analysis-slot .rf-analysis-sheet {
  position: absolute; inset: 0; transform: none; transform-origin: 0 0;
  background: transparent; color: var(--fg); font-family: var(--font-serif);
  box-shadow: none; overflow: visible;
}
.rf-analysis-sheet::before, .rf-analysis-sheet .rf-inspection-title { display: none; }
.rf-analysis-sheet .rf-paper-only, .rf-analysis-sheet .rf-plot-print-border { display: block; }
.rf-analysis-sheet .rf-paper-only { animation: rf-paper-note-in 250ms ease-out both; }
@keyframes rf-paper-note-in { from { opacity: 0; } to { opacity: 1; } }
.rf-analysis-sheet .rf-inspection-subtitle { left: 54px; top: 151px; width: 1272px;
  font: 400 27px/1.25 var(--font-serif); color: var(--fg); }
.rf-analysis-sheet .rf-plot-heading, .rf-analysis-sheet .rf-stat { color: var(--fg); }
.rf-analysis-sheet .rf-plot svg text { fill: var(--fg); font-family: var(--font-serif); }
.rf-analysis-sheet .rf-plot svg .rf-point { fill: var(--fg); }
.rf-analysis-sheet .rf-plot svg .rf-axis, .rf-analysis-sheet .rf-plot svg .rf-grid { stroke: var(--fg); }
.rf-analysis-sheet .rf-plot svg .rf-plot-border { stroke: var(--fg); stroke-width: 3.5; rx: 0; }
.rf-analysis-sheet .rf-plot-print-border { stroke: var(--fg); }
.rf-panel-caption { position: absolute; left: 12px; right: 5px; top: 553px;
  opacity: 0; font: italic 400 25px/1.25 var(--font-serif); }
.rf-analysis-sheet .rf-takeaway { top: 821px; margin: 0; text-align: center; font: italic 400 25px/1.25 var(--font-serif); }
.rf-analysis-sheet .rf-actions { bottom: 14px; }
.rf-analysis-sheet button { font-family: var(--font-serif); color: var(--fg); background: transparent;
  border-color: var(--fg); border-radius: 0; }
.rf-analysis-sheet button:focus-visible { outline-color: var(--fg); }
.rf-analysis-sheet .rf-counterfactual[aria-pressed=true] { background: var(--fg); border-color: var(--fg); color: #f7f6f3; }
.rf-model-line { stroke: var(--fg, #3a3a3a); stroke-width: 2.5; fill: none; }
.rf-bias-identity { stroke: var(--fg, #3a3a3a); stroke-width: 2; stroke-dasharray: 8 6; opacity: .5; fill: none; }
.rf-analysis-sheet .rf-bias-toggle { margin-left: auto; flex-shrink: 0; width: 190px; }
.rf-analysis-sheet .rf-bias-toggle[aria-pressed=true] { background: var(--fg); color: #f7f6f3; }
@media (prefers-reduced-motion: reduce) {
  .rf-dialog.rf-to-paper::backdrop { background: transparent; animation: none; }
  .rf-analysis-sheet *, .rf-analysis-sheet *::before { transition: none !important; animation: none !important; }
}