/* The selected White and Gray design: one white field contains the full book chapter. */
body.boundary-one #method {
  --core-ground: #fff;
  --core-ink: #191f28;
  --core-text: #4e5968;
  --core-muted: #6b7684;
  --core-accent: #0060ff;
  --core-control: #f2f4f8;
  --core-backword: #e1e6ee;
  width: calc(100% - 64px);
  max-width: 1240px;
  margin: 72px auto 0;
  padding: 80px 0 64px;
  background: #fff;
  color: #191f28;
  border-radius: 36px;
  overflow: hidden;
}
body.boundary-one #method .catalog-heading h2,
body.boundary-one #method .catalog-heading h2 > span,
body.boundary-one #method .catalog-caption h3 { color: #191f28; }
body.boundary-one #method .catalog-heading > p,
body.boundary-one #method .catalog-caption p { color: #4e5968; }
body.boundary-one #method .collab-x { color: #8b95a1; }
body.boundary-one #method .catalog-showcase { background: #f2f4f8; }
body.boundary-one #method .catalog-caption { padding-bottom: 0; }
/* Expand only the white surface; copy and book geometry remain unchanged. */
body.boundary-one #method.curriculum-expands {
  position: relative;
  isolation: isolate;
  background: transparent;
}
body.boundary-one #method.curriculum-expands::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: #fff;
  border-radius: inherit;
  transform-origin: 50% 18%;
  transform: scale(var(--curriculum-scale-x, 1), var(--curriculum-scale-y, 1));
}
body.boundary-one #method.curriculum-in-view::before { will-change: transform; }
@media(prefers-reduced-motion:reduce) {
  body.boundary-one #method.curriculum-expands::before { transform: none; will-change: auto; }
}
@media(max-width:760px) {
  body.boundary-one #method {
    width: calc(100% - 32px);
    margin-top: 44px;
    padding: 48px 0 42px;
    border-radius: 24px;
  }
  body.boundary-one #method .catalog-heading { padding-inline: 24px; }
  body.boundary-one #method .catalog-heading h2 { font-size: 29px; }
  body.boundary-one #method .catalog-heading > p { font-size: 16px; }
  body.boundary-one #method .catalog-caption p { padding-inline: 8px; }
}