/* Cream paper and the website's original Courier New typography. */
body.portable-site.arc-b-purple {
  --arc-b-background: #eeede5;
  --arc-b-ink: #663399;
  --arc-b-reading: #493653;
  --arc-b-rule: #66339930;
  --arc-b-font: 'Courier New', monospace;
  background: var(--arc-b-background);
  min-height: 100vh;
}
.arc-b-purple .site-header,
.arc-b-purple .search-dialog {
  color: var(--arc-b-ink);
}
.arc-b-purple .site-nav.open,
.arc-b-purple .overflow-nav {
  background: var(--arc-b-background);
  color: var(--arc-b-ink);
}
.arc-b-purple .site-header.scrolled {
  background: #0f0;
  box-shadow: inset 0 -1px var(--arc-b-rule);
}
.arc-b-purple #main-content .C9DxTc {
  color: #663399 !important;
}
.arc-b-purple #main-content .IFuOkc {
  background: var(--arc-b-background) !important;
}
.arc-b-purple #main-content .IFuOkc::before {
  background: transparent !important;
}
.arc-b-purple .arc-b-title {
  max-width: 1100px;
  margin: 12px auto 0;
  padding: 0 0 26px;
  border-bottom: 1px solid var(--arc-b-rule);
  color: var(--arc-b-ink);
  font-family: Helvetica, Arial, sans-serif;
  font-size: clamp(4.25rem, 12vw, 8rem);
  font-weight: 700;
  font-style: normal;
  line-height: 1;
  letter-spacing: -0.045em;
  text-align: left;
}
.arc-b-purple .arc-b-clouds {
  width: 100%;
  max-width: 1100px;
  margin: 40px auto 0;
}
.arc-b-purple .arc-b-clouds iframe {
  display: block;
  width: 100%;
  height: clamp(280px, 75vw, 550px);
  border: 0;
}
/* A modest display crop brings the instrument closer while preserving the photo. */
.arc-b-purple .arc-b-photo {
  width: 85%;
  max-width: 935px;
  aspect-ratio: 4 / 3;
  margin: 40px auto clamp(40px, 6vw, 80px);
  overflow: hidden;
}
.arc-b-purple .arc-b-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transform: scale(1.32);
  transform-origin: 50% 50%;
}
.arc-b-purple .arc-b-flowchart {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto clamp(40px, 6vw, 80px);
}
.arc-b-purple .arc-b-flowchart a {
  display: block;
  cursor: zoom-in;
}
.arc-b-purple .arc-b-flowchart img {
  display: block;
  width: 100%;
  height: auto;
}
.arc-b-purple .arc-b-copy {
  max-width: 1100px;
  margin: 0 auto 96px;
  color: var(--arc-b-reading);
  font-family: var(--arc-b-font);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.arc-b-purple .arc-b-description {
  max-width: 65ch;
  margin: 0 0 24px;
  font: inherit;
}
.arc-b-purple .arc-b-description:first-child {
  max-width: 54ch;
  margin-bottom: 28px;
  color: var(--arc-b-ink);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  line-height: 1.45;
  letter-spacing: -0.015em;
}
.arc-b-purple .arc-b-editor {
  margin: 28px 0 0;
  font: inherit;
  scroll-margin-top: 80px;
}
.arc-b-purple .arc-b-editor-art {
  max-width: 100%;
  margin: 28px 0 0;
  overflow-x: auto;
  color: #c62828;
  font-family: var(--arc-b-font);
  font-size: clamp(10px, 2.2vw, 16px);
  font-weight: 700;
  font-variant-ligatures: none;
  line-height: 1.05;
  letter-spacing: 0;
  white-space: pre;
}
.arc-b-purple .arc-b-editor-link {
  color: var(--arc-b-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.arc-b-purple .arc-b-editor-link:hover {
  text-decoration-thickness: 2px;
}
.arc-b-purple .arc-b-editor-link:focus-visible {
  outline-color: var(--arc-b-ink);
}
.arc-b-purple .arc-b-architecture {
  --arc-b-rule: #f5f1e447;
  box-sizing: border-box;
  margin-top: 64px;
  padding: clamp(48px, 6vw, 80px) 0;
  scroll-margin-top: 80px;
  color: #f5f1e4;
  background: #352143;
  box-shadow: 0 0 0 100vmax #352143;
  clip-path: inset(0 -100vmax);
}
.arc-b-purple .arc-b-architecture h2 {
  margin: 0 0 28px;
  color: inherit;
  font: inherit;
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}
.arc-b-purple .arc-b-highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.arc-b-purple .arc-b-highlights li {
  min-width: 0;
  margin: 0;
  padding: 20px 0 24px;
  border-top: 1px solid var(--arc-b-rule);
  font: inherit;
  font-size: 1rem;
  line-height: 1.6;
}
.arc-b-purple .arc-b-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: clamp(40px, 6vw, 80px) auto 0;
  scroll-margin-top: 80px;
}
.arc-b-purple .arc-b-video iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}
@media (max-width: 800px) {
  .arc-b-purple .arc-b-highlights { grid-template-columns: minmax(0, 1fr); }
  .arc-b-purple .arc-b-copy { margin-bottom: 64px; }
  .arc-b-purple .arc-b-architecture { margin-top: 44px; }
}
@media (max-width: 480px) {
  .arc-b-purple .arc-b-title { padding-bottom: 20px; }
}