/* The shoreline and explorer share one continuous camera viewport. */
.abundance-page {
  background: #080c0c;
  color: var(--paper, #efefeb);
  --line: rgba(239, 239, 235, .18);
  --muted: #aab1a9;
  font-family: Arial, Helvetica, sans-serif;
}
html:has(.abundance-page) { scroll-behavior: auto; scroll-padding: 0; }
.abundance-page main { max-width: none; margin: 0; overflow-anchor: none; }
.abundance-page:not(.journey-enabled) .journey-track { height: 100svh; }
.low-motion *, .low-motion *::before, .low-motion *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
.abundance-page .opening-copy h1 { display: block; padding: 0; }
.abundance-page .opening-copy h1 span:last-child { color: inherit; }
.abundance-page .material-caption small { display: block; margin-top: 18px; color: #aeb9aa; font-size: 10px; line-height: 1.6; max-width: 280px; }
.grain-stage .material-caption { text-shadow: 0 2px 22px #201809; }
.grain-stage .material-caption small { color: #f5f0de; }
.grain-stage .material-caption .mono { color: #fff8db; }
.grain-stage .natural-scene::after { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg,#1a100766,transparent 58%); pointer-events: none; }
.abundance-page .material-caption h2 { white-space: pre-line; }
.abundance-page .workflow-explanation { display: block; }
.abundance-page .workflow-explanation .source-links { max-width: none; margin-top: 12px; }
.abundance-page .scene-scale { transform: none; }
.abundance-page button, .abundance-page select { font: inherit; }
.abundance-page button, .abundance-page a, .abundance-page select { touch-action: manipulation; }
.abundance-page button { cursor: pointer; }
.abundance-page :is(button, a, select, canvas):focus-visible { outline: 2px solid var(--acid); outline-offset: 4px; }
.abundance-page .skip-link { z-index: 100; }
.abundance-page .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.journey-header {
  position: fixed; inset: 0 0 auto; height: 76px; z-index: 40;
  padding: 0 4vw; display: flex; align-items: center; gap: 26px;
  color: #17201f; border-bottom: 1px solid rgba(16, 27, 26, .2);
  transition: color .35s, border-color .35s;
}
.journey-wordmark { font: 22px "Archivo Black", Arial, sans-serif; letter-spacing: -.075em; }
.journey-wordmark span { display: inline-block; font: 8px Arial, sans-serif; vertical-align: top; margin: 1px 0 0 3px; letter-spacing: 0; }
.journey-name { font: 9px "IBM Plex Mono", monospace; letter-spacing: .13em; text-transform: uppercase; }
.journey-header-actions { display: grid; grid-template-columns: auto 156px; align-items: center; gap: 26px; margin-left: auto; }
.journey-header-actions :is(button, a) { color: inherit; background: none; border: 0; padding: 12px 0; font: 9px "IBM Plex Mono", monospace; letter-spacing: .05em; text-transform: uppercase; }
.journey-header-actions :is(button, a):hover { text-decoration: underline; text-underline-offset: 5px; }
.journey-header-actions :is(.enter-link, .replay-link) { grid-area: 1 / 2; justify-content: center; transition: opacity .3s ease, visibility .3s; }
.journey-header-actions .enter-link { display: inline-flex; align-items: center; gap: 22px; }
.journey-header-actions .replay-link { display: inline-flex; visibility: hidden; opacity: 0; pointer-events: none; }
.journey-header-actions #motion-toggle { opacity: .8; }
.journey-dark .journey-header { color: var(--paper); border-color: var(--line); }
.explorer-active .journey-header { color: var(--paper); background: #080c0c; border-color: var(--line); }
.explorer-active .journey-header-actions .enter-link { visibility: hidden; opacity: 0; pointer-events: none; }
.explorer-active .journey-header-actions .replay-link { visibility: visible; opacity: 1; pointer-events: auto; }
.journey-track { height: 620svh; position: relative; }
.journey-viewport { position: sticky; top: 0; height: 100svh; overflow: hidden; isolation: isolate; background: #080c0c; }
.natural-scene, .beach-image, .grain-image, .shore-mist, #shore-water, .nightfall, #material-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none;
}
.natural-scene { overflow: hidden; z-index: 0; will-change: opacity; }
.beach-image, .grain-image { object-fit: cover; will-change: transform, opacity; }
.beach-image { object-position: 55% 50%; transform-origin: 55% 89%; }
.grain-image { opacity: 0; object-position: 53.5% 49%; transform-origin: 53.5% 49%; }
.shore-mist { inset: 18% -10% auto; width: 120%; height: 35%; opacity: .35; filter: blur(16px); background: radial-gradient(ellipse at 55% 58%, rgba(248, 246, 228, .6), transparent 63%); mix-blend-mode: screen; }
#shore-water { z-index: 1; }
.nightfall { z-index: 2; opacity: 0; background: #080c0c; }
#material-canvas { z-index: 2; }
.grain-focus { position: absolute; left: 55%; top: 64%; width: 7px; height: 7px; margin: -3.5px; z-index: 2; opacity: 0; border-radius: 50%; pointer-events: none; background: #fff; box-shadow: 0 0 9px 3px #fff1c2, 0 0 34px 9px rgba(255, 233, 173, .8); }
.opening-copy { position: absolute; inset: 0; z-index: 3; padding: 18svh 4.8vw 0; color: #142321; pointer-events: none; will-change: opacity, transform; }
.opening-eyebrow { margin: 0 0 23px; font: 9px "IBM Plex Mono", monospace; letter-spacing: .14em; text-transform: uppercase; }
.opening-copy h1 { font: 400 9.15vw/.92 "Archivo Black", Arial, sans-serif; letter-spacing: -.068em; margin: 0; max-width: 95%; }
.opening-copy h1 span { display: inline; }
.opening-bottom { position: absolute; left: 4.8vw; right: 4.8vw; bottom: 94px; display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; color: #fff; text-shadow: 0 1px 16px rgba(38, 30, 11, .7); pointer-events: auto; }
.opening-bottom p { margin: 0; font-size: 15px; line-height: 1.65; max-width: 340px; }
.scroll-invitation { display: flex; align-items: center; gap: 26px; border: 0; padding: 16px 0; background: transparent; color: inherit; text-shadow: inherit; font: 9px "IBM Plex Mono", monospace !important; letter-spacing: .09em; text-transform: uppercase; }
.scroll-invitation span { font-size: 28px; font-family: Arial, sans-serif; }
.scroll-invitation .scroll-line { width: 36px; height: 1px; background: currentColor; opacity: .7; }
.material-caption { position: absolute; z-index: 4; left: 6vw; top: 44%; width: min(290px, 31vw); color: #fff; display: grid; pointer-events: none; }
.chapter-caption { grid-area: 1 / 1; opacity: 0; will-change: opacity, transform; }
.material-caption .mono, .material-caption .eyebrow { font-size: 9px; letter-spacing: .14em; color: var(--acid); }
.material-caption h2 { font: 400 clamp(48px, 6vw, 84px)/.98 "Archivo Black", Arial, sans-serif; letter-spacing: -.055em; margin: 18px 0 22px; }
.material-caption h2 sub { font-size: .5em; line-height: 0; }
.material-caption p { font-size: 15px; line-height: 1.7; margin: 0; color: #d6d7cf; }
.material-caption .caption-note { font: 9px/1.7 "IBM Plex Mono", monospace; margin-top: 16px; color: #a8b0a9; }
#material-note { display: block; margin-top: 16px; font: 9px/1.65 "IBM Plex Mono", monospace; color: #a8b0a9; }
.compute-arrival { position: absolute; left: 5vw; top: 30%; z-index: 4; opacity: 0; color: var(--paper); pointer-events: none; will-change: opacity, transform; }
.compute-arrival h2 { font: 400 clamp(54px, 7.8vw, 120px)/.94 "Archivo Black", Arial, sans-serif; letter-spacing: -.065em; margin: 18px 0 25px; }
.compute-arrival h2 span, .compute-arrival h2 em { font-style: normal; color: var(--acid); }
.compute-arrival p { font-size: 14px; line-height: 1.6; color: #b6c0b4; }
.compute-arrival .mono { color: var(--acid); font-size: 9px; }
.journey-chapters { position: absolute; inset: auto 0 0; height: 56px; z-index: 15; display: flex; align-items: center; gap: 0; padding: 0 4.8vw; color: #fff; background: rgba(20, 29, 27, .3); border-top: 1px solid rgba(255, 255, 255, .2); backdrop-filter: blur(12px); }
.journey-progress { position: absolute; left: 0; right: 0; top: -1px; height: 2px; overflow: hidden; }
.journey-progress i { display: block; width: 100%; height: 100%; background: var(--acid); transform: scaleX(0); transform-origin: left; }
.journey-chapters button { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 10px 20px 10px 0; margin-right: 20px; background: none; border: 0; color: #e2e7df; font: 9px "IBM Plex Mono", monospace !important; letter-spacing: .065em; text-transform: uppercase; opacity: .62; white-space: nowrap; }
.journey-chapters button[aria-current="true"], .journey-chapters button[aria-current="step"], .journey-chapters button.active { opacity: 1; color: var(--acid); }
.journey-chapters button { transition: opacity .3s ease, color .3s ease; }
.journey-chapters button:hover { opacity: 1; }
.journey-chapters button span { opacity: .65; }
.journey-credit { margin-left: auto; color: #d2d9ce; font: 8px "IBM Plex Mono", monospace; letter-spacing: .04em; white-space: nowrap; }
.explorer-active .journey-chapters { background: #080c0c; }
.explorer-shell { position: absolute; inset: 76px 0 56px; z-index: 6; display: flex; flex-direction: column; padding: 22px 3vw 16px; min-height: 0; color: var(--paper); background: #080c0c; opacity: 0; visibility: hidden; pointer-events: none; will-change: opacity, transform; }
.explorer-active .explorer-shell { pointer-events: auto; }
.explorer-topline { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; padding: 0 0 19px; flex: none; }
.explorer-topline h2 { font: 400 clamp(23px, 2.5vw, 36px)/1.05 "Archivo Black", Arial, sans-serif; letter-spacing: -.05em; margin: 6px 0 0; }
.explorer-topline h2 span { color: var(--acid); }
.explorer-topline .mono, .explorer-topline .eyebrow { font-size: 8px; color: #a6b19f; }
.explorer-topline .eyebrow { color: var(--acid); }
.explorer-topline p { max-width: 350px; margin: 0; font-size: 11px; line-height: 1.65; color: #a8b1a4; }
.explorer-topline > .mono { display: flex; align-items: center; gap: 9px; white-space: nowrap; }
.lab-frame { flex: 1; min-height: 0; border: 1px solid var(--line); }
.lab-grid { height: 100%; display: grid; grid-template-columns: minmax(0, 7fr) minmax(300px, 3fr); min-height: 0; }
.abundance-page .scene-column { display: flex; flex-direction: column; min-height: 0; min-width: 0; background: radial-gradient(ellipse at 55% 46%, #152120 0, #0a100f 62%, #090d0c 100%); }
.abundance-page .scene-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) minmax(110px, .4fr); flex: none; gap: 26px; padding: 15px 20px; border-bottom: 1px solid var(--line); background: #0a100f; }
.abundance-page .scene-toolbar label { display: flex; flex-direction: column; min-width: 0; gap: 7px; }
.abundance-page .scene-toolbar .workload-picker { width: auto; }
.abundance-page .scene-toolbar label > span { font: 8px "IBM Plex Mono", monospace; letter-spacing: .07em; color: #98a293; text-transform: uppercase; }
.abundance-page select { width: 100%; padding: 7px 24px 9px 0; background: transparent; border: 0; border-bottom: 1px solid #596355; border-radius: 0; color: var(--paper); font-size: 13px; color-scheme: dark; cursor: pointer; text-overflow: ellipsis; }
.abundance-page select option, .abundance-page select optgroup { background: #101714; color: var(--paper); }
.abundance-page .scene-viewport { flex: 1; min-height: 190px; overflow: hidden; position: relative; }
.abundance-page #architecture-canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; touch-action: none; cursor: grab; }
.abundance-page #architecture-canvas:active { cursor: grabbing; }
.abundance-page .scene-scale { top: 17px; left: 20px; font-size: 8px; color: #b9c9a9; }
.abundance-page .scene-coordinate { bottom: 14px; left: 20px; font-size: 7px; }
.abundance-page .scene-note { bottom: 14px; right: 20px; font-size: 7px; }
.abundance-page .scene-view-controls { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex: none; padding: 10px 16px; border-top: 1px solid var(--line); }
.abundance-page .segmented, .abundance-page .scene-camera-controls { display: flex; gap: 4px; }
.abundance-page .segmented button, .abundance-page .scene-camera-controls button { padding: 9px 12px; border: 1px solid var(--line); background: transparent; color: var(--paper); font: 9px "IBM Plex Mono", monospace; min-height: 34px; }
.abundance-page .segmented button.active, .abundance-page .segmented button[aria-pressed="true"] { background: var(--acid); border-color: var(--acid); color: #080c0c; }
.abundance-page .segmented button:hover, .abundance-page .scene-camera-controls button:hover { border-color: var(--acid); }
.abundance-page .scene-camera-controls button { min-width: 32px; padding: 6px 9px; font-size: 17px; line-height: 18px; }
.abundance-page .scene-camera-controls #scene-reset { font-size: 9px; }
.abundance-page .component-hotspots { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); flex: none; gap: 3px; padding: 8px 12px; border-top: 1px solid var(--line); }
.abundance-page .component-hotspots button { min-width: 0; padding: 8px; text-align: left; border: 1px solid transparent; background: transparent; color: #aeb7a7; font: 8px/1.35 "IBM Plex Mono", monospace; }
.abundance-page .component-hotspots button.active, .abundance-page .component-hotspots button:hover { border-color: #efff1755; background: #efff1707; color: var(--acid); }
.abundance-page .hardware-reference { display: flex; align-items: center; justify-content: space-between; flex: none; padding: 9px 20px; gap: 16px; border-top: 1px solid var(--line); color: #9ca892; }
.abundance-page .hardware-reference span { font-size: 8px; line-height: 1.5; }
.abundance-page .hardware-reference a { font: 8px "IBM Plex Mono", monospace; color: var(--acid); white-space: nowrap; }
.model-footnote { display: flex; justify-content: space-between; flex: none; gap: 20px; border-top: 1px solid var(--line); padding: 11px 20px; margin: 0; color: #8e9a84; font: 7px/1.6 "IBM Plex Mono", monospace; }
.model-footnote span:last-child { text-align: right; }
.abundance-page .component-inspector { display: block; min-height: 0; overflow: auto; padding: 24px; border-left: 1px solid var(--line); background: #0a0f0d; scrollbar-width: thin; scrollbar-color: #596448 #0a0f0d; overscroll-behavior: contain; }
.architecture-category, .context-label { font: 8px/1.7 "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .09em; color: var(--acid); }
#context-architecture-title { font: 600 clamp(23px, 2.4vw, 34px)/1.04 "Archivo", Arial, sans-serif; letter-spacing: -.05em; margin: 11px 0 17px; }
.architecture-summary { font-size: 13px; line-height: 1.7; color: #c1c9bb; margin: 0 0 17px; }
.context-workload { padding: 12px 14px; border: 1px solid #efff1730; background: #efff1705; color: #d6ddca; font-size: 12px; line-height: 1.65; }
.context-workload strong { color: var(--acid); }
.context-workload h3 { margin: 0 0 8px; }
.context-workload p { margin: 0; }
.context-facts { display: block; margin: 17px 0 22px; padding: 12px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.context-facts summary, .architecture-history summary { cursor: pointer; color: #c2cbb9; font-size: 11px; line-height: 1.6; }
.context-facts[open] summary, .architecture-history details[open] summary { color: var(--acid); margin-bottom: 17px; }
.context-facts h3 { margin: 17px 0 5px; }
.context-facts p { color: #b7c2ad; font-size: 12px; line-height: 1.7; margin: 0; }
.context-facts dt { color: #8f9b84; font: 8px/1.5 "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .07em; margin-bottom: 5px; }
.context-facts dd { margin: 0; color: #dce2d4; font-size: 12px; line-height: 1.6; }
.context-constraints { color: #a7b09d; font-size: 11px; line-height: 1.65; margin: 15px 0 0; }
.context-constraints { padding-left: 17px; }
.context-constraints li { margin-bottom: 7px; }
.abundance-page .component-inspector > .eyebrow { font-size: 8px; margin: 0 0 24px; color: #8b9a80; }
.architecture-history { padding: 0 0 2px; }
.history-overview { display: grid; gap: 17px; margin: 0 0 18px; }
.history-overview .mono { color: var(--acid); font-size: 8px; }
.history-overview p { margin: 6px 0 0; color: #e0e7d6; font-size: 14px; line-height: 1.4; }
.history-overview small { display: block; margin-top: 5px; color: #aebaa2; font-size: 11px; line-height: 1.55; }
.history-scope, .history-note, .study-note { color: #8f9c82; font-size: 10px; line-height: 1.7; margin: 14px 0 0; }
.history-detail .table-label { font: 9px "IBM Plex Mono", monospace; color: var(--acid); margin: 20px 0 5px; text-transform: uppercase; }
.history-detail p { font-size: 12px; color: #bbc6b1; line-height: 1.7; }
.inspector-section { border-top: 1px solid var(--line); padding-top: 19px; margin-top: 22px; }
.inspector-section h3, .inspector-section h4, #architecture-history h3 { margin: 0 0 12px; color: var(--acid); font: 9px/1.5 "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.inspector-section p, .inspector-section li { font-size: 12px; line-height: 1.65; color: #bdc7b5; }
.inspector-section p { margin: 10px 0; }
.inspector-section > .eyebrow { color: #8b9a80; font-size: 8px; margin: 0 0 20px; }
#inspector h2 { font: 600 25px/1.1 "Archivo", Arial, sans-serif; letter-spacing: -.035em; margin: 12px 0 17px; }
.inspector-layer { display: block; color: #c4cfb7; font-size: 8px; line-height: 1.6; }
.inspector-role strong { display: block; margin-bottom: 5px; color: var(--acid); font-size: 8px; }
.inspector-connections { margin-top: 21px; }
.abundance-page .connection-link { display: block; width: 100%; padding: 11px 0; border: 0; border-bottom: 1px solid var(--line); color: #d0d9c6; background: none; text-align: left; font-size: 11px; line-height: 1.55; }
.abundance-page .connection-link:hover { color: var(--acid); }
.connection-link small { color: #8e9e80; font-size: 10px; }
.inspector-section ul, .inspector-section ol { padding-left: 17px; }
.inspector-section li { margin: 0 0 9px; }
.abundance-page .pioneer-list, .abundance-page .milestone-list { list-style: none; padding: 0; }
.abundance-page .pioneer-list li, .abundance-page .milestone-list li { padding: 13px 0; border-bottom: 1px solid var(--line); }
.abundance-page .pioneer-list strong, .abundance-page .milestone-list strong { color: #e7ecdd; font-size: 12px; line-height: 1.55; }
.abundance-page .history-role { font-size: 11px; line-height: 1.65; color: #a5b09a; }
.abundance-page .milestone-date { font: 9px "IBM Plex Mono", monospace; color: var(--acid); }
.abundance-page .source-links { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.abundance-page .source-links a { font: 8px "IBM Plex Mono", monospace; color: var(--acid); border-bottom: 1px solid #efff1733; padding-bottom: 3px; }
.connection-detail { border-top: 1px solid var(--line); margin-top: 15px; padding-top: 14px; }
.connection-detail h4 { color: #e2e8d9; font-size: 12px; margin: 0 0 9px; }
.connection-detail p { color: #b6c1ae; font-size: 12px; line-height: 1.65; }
.inspector-back { display: inline-flex; align-items: center; gap: 9px; border: 0; border-bottom: 1px solid #efff1744; padding: 8px 0; margin: 0 0 16px; color: var(--acid); background: none; font: 9px "IBM Plex Mono", monospace !important; }
.workflow { padding-top: 21px; margin-top: 25px; border-top: 1px solid var(--line); }
.workflow-heading { margin-bottom: 14px; }
.workflow-heading .mono { font-size: 8px; line-height: 1.7; color: var(--acid); }
.workflow-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; }
.workflow-steps button { min-height: 36px; border: 1px solid var(--line); padding: 8px; color: #c0cbaf; background: none; text-align: left; font: 8px/1.5 "IBM Plex Mono", monospace; }
.workflow-steps button.active, .workflow-steps button:hover { color: var(--acid); border-color: #efff1760; background: #efff1705; }
.workflow-explanation p { color: #b3bea6; font-size: 11px; line-height: 1.7; }
.workflow-explanation strong { color: #d9e2cf; }
.abundance-page .component-inspector .hardware-reference { display: block; margin: 24px 0 0; padding: 18px 0 0; }
.component-inspector .hardware-reference h3 { font-size: 13px; font-weight: 400; line-height: 1.6; margin: 8px 0; color: #dde5d2; }
.component-inspector .hardware-reference p { font-size: 10px; line-height: 1.7; color: #93a184; }
.export-link { display: inline-block; padding: 17px 0 0; color: var(--acid); font-size: 8px; }
.abundance-page .panel-content { padding: 0; overflow: visible; }
.abundance-page .panel-content h3 { font-size: 25px; }
.abundance-page .panel-picker { padding: 0 0 18px; margin: 0 0 18px; }
.abundance-page .panel-footer { padding: 18px 0 0; margin-top: 18px; }
.abundance-page .noscript-note { inset: auto 0 0; margin: 0; font-size: 14px; line-height: 1.7; }
.low-motion .journey-track { height: 100svh; }
.low-motion .journey-viewport { position: relative; }
.low-motion .natural-scene, .low-motion .beach-image, .low-motion .grain-image, .low-motion .opening-copy, .low-motion .chapter-caption, .low-motion .compute-arrival, .low-motion .explorer-shell { will-change: auto; }

@media (min-width: 1600px) {
  .explorer-shell { padding: 28px 4vw 20px; }
  .abundance-page .component-inspector { padding: 30px; }
  .abundance-page .scene-toolbar { padding: 19px 24px; }
  .architecture-summary, .inspector-section p, .inspector-section li { font-size: 14px; }
}
@media (max-width: 1000px) {
  .journey-header { gap: 20px; }
  .journey-header-actions { gap: 20px; }
  .journey-chapters button { padding-right: 12px; margin-right: 12px; font-size: 8px !important; }
  .journey-credit { display: none; }
  .explorer-shell { padding: 18px 20px 12px; }
  .lab-grid { grid-template-columns: minmax(0, 7fr) minmax(270px, 3fr); }
  .abundance-page .component-inspector { padding: 20px; }
  .abundance-page .scene-toolbar { padding: 13px 14px; gap: 16px; }
  .abundance-page .scene-view-controls { padding: 8px 10px; }
  .abundance-page .segmented button { padding: 8px; font-size: 8px; }
  .abundance-page .component-hotspots { grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 6px; }
  .abundance-page .component-hotspots button { padding: 7px 5px; }
  .abundance-page .hardware-reference { padding: 9px 14px; }
}
@media (max-width: 700px) {
  .abundance-page .scene-note { display: none; }
  .journey-header { height: 66px; padding: 0 6vw; gap: 17px; }
  .journey-wordmark { font-size: 21px; }
  .journey-name { font-size: 7px; max-width: 90px; line-height: 1.6; }
  .journey-header-actions { gap: 14px; grid-template-columns: auto 126px; }
  .journey-header-actions :is(button, a) { font-size: 8px; letter-spacing: 0; }
  .journey-header-actions .enter-link { gap: 8px; }
  .journey-header-actions #motion-toggle { max-width: 60px; line-height: 1.5; text-align: right; }
  .opening-copy { padding: 20svh 6vw 0; }
  .opening-eyebrow { font-size: 7px; letter-spacing: .075em; margin-bottom: 22px; }
  .opening-copy h1 { font-size: 10.1vw; line-height: 1; letter-spacing: -.055em; max-width: none; }
  .beach-image { object-position: 60% 50%; }
  .opening-bottom { left: 6vw; right: 6vw; bottom: 99px; flex-direction: column; align-items: flex-start; gap: 19px; }
  .opening-bottom p { font-size: 13px; max-width: 270px; line-height: 1.65; }
  .scroll-invitation { font-size: 8px !important; padding: 10px 0; gap: 21px; }
  .scroll-invitation span { font-size: 24px; }
  .material-caption { top: auto; left: 7vw; bottom: 14svh; width: 86vw; max-width: 400px; }
  .material-caption h2 { font-size: clamp(44px, 13vw, 70px); margin: 13px 0 14px; }
  .material-caption p { font-size: 13px; max-width: 290px; line-height: 1.65; }
  .material-caption .mono, .material-caption .eyebrow { font-size: 8px; }
  .compute-arrival { left: 7vw; right: 7vw; top: auto; bottom: 22svh; }
  .compute-arrival h2 { font-size: 11.5vw; line-height: 1; margin: 16px 0; }
  .compute-arrival p { font-size: 12px; max-width: 250px; }
  .journey-chapters { height: 58px; padding: 0 4vw; justify-content: space-between; gap: 3px; }
  .journey-chapters button { flex: 1; justify-content: center; flex-direction: column; gap: 5px; margin: 0; padding: 7px 2px; font-size: 7px !important; letter-spacing: .01em; }
  .journey-chapters button span { font-size: 7px; }
  .explorer-active .journey-chapters { padding: 0 4vw; }
  .explorer-shell { inset: 66px 0 58px; display: block; overflow: auto; overscroll-behavior-y: contain; padding: 19px 12px 18px; }
  .explorer-topline { align-items: flex-start; gap: 12px; padding: 0 3px 18px; }
  .explorer-topline h2 { font-size: clamp(22px, 5.8vw, 33px); max-width: 290px; line-height: 1.1; }
  .explorer-topline .mono, .explorer-topline .eyebrow { font-size: 7px; }
  .explorer-topline > p { display: none; }
  .explorer-topline > .mono { display: none; }
  .lab-frame { min-height: 0; }
  .lab-grid { display: block; height: auto; }
  .abundance-page .scene-column { display: flex; height: auto; min-height: 0; }
  .abundance-page .scene-toolbar { grid-template-columns: minmax(0, 1fr) minmax(95px, .48fr); gap: 14px; padding: 14px; }
  .abundance-page .scene-toolbar label > span { font-size: 7px; }
  .abundance-page select { font-size: 12px; padding: 8px 18px 8px 0; }
  .abundance-page .scene-viewport { flex: none; height: 350px; min-height: 0; }
  .abundance-page #architecture-canvas { touch-action: pan-y; }
  .abundance-page .scene-view-controls { padding: 10px; gap: 7px; }
  .abundance-page .segmented { gap: 3px; }
  .abundance-page .segmented button { padding: 8px; min-height: 36px; font-size: 8px; }
  .abundance-page .scene-camera-controls { gap: 3px; }
  .abundance-page .scene-camera-controls button { padding: 5px 7px; min-width: 29px; min-height: 36px; }
  .abundance-page .scene-camera-controls #scene-reset { font-size: 0; }
  .abundance-page .scene-camera-controls #scene-reset::before { content: "↺"; font: 18px Arial, sans-serif; }
  .abundance-page .component-hotspots { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3px; padding: 8px; }
  .abundance-page .component-hotspots button { min-height: 35px; padding: 7px; font-size: 8px; }
  .abundance-page .scene-scale { left: 14px; top: 14px; font-size: 7px; }
  .abundance-page .scene-coordinate { left: 14px; bottom: 12px; font-size: 7px; }
  .abundance-page .scene-note { right: 12px; bottom: 12px; font-size: 6px; }
  .abundance-page .hardware-reference { padding: 12px 14px; }
  .abundance-page .hardware-reference span, .abundance-page .hardware-reference a { font-size: 7px; }
  .abundance-page .component-inspector { overflow: visible; padding: 24px 20px; min-height: 0; border-left: 0; border-top: 1px solid var(--line); }
  #context-architecture-title { font-size: 31px; }
  .architecture-summary { font-size: 13px; }
  .model-footnote { font-size: 6px; padding: 10px 14px; gap: 10px; }
}
@media (max-width: 370px) {
  .journey-header { padding: 0 5vw; gap: 13px; }
  .journey-name { font-size: 6px; max-width: 66px; }
  .journey-header-actions { gap: 10px; }
  .journey-header-actions :is(button, a) { font-size: 7px; }
  .journey-header-actions .enter-link { gap: 5px; }
  .journey-chapters button { font-size: 6px !important; }
  .explorer-topline h2 { font-size: 21px; }
  .abundance-page .scene-view-controls { padding: 8px 6px; gap: 4px; }
  .abundance-page .segmented button { font-size: 7px; padding: 7px 6px; }
  .abundance-page .scene-camera-controls button { min-width: 26px; padding: 5px 6px; }
  .abundance-page .component-inspector { padding: 22px 17px; }
}
@media (max-width: 480px) {
  .journey-name { display: none; }
}
@media (max-height: 720px) and (min-width: 701px) {
  .explorer-shell { padding-top: 13px; padding-bottom: 10px; }
  .explorer-topline { padding-bottom: 11px; }
  .explorer-topline h2 { font-size: 25px; }
  .abundance-page .scene-toolbar { padding-top: 10px; padding-bottom: 10px; }
  .abundance-page .scene-toolbar label { gap: 3px; }
  .abundance-page .scene-toolbar select { padding-top: 4px; padding-bottom: 6px; }
  .abundance-page .scene-view-controls { padding-top: 6px; padding-bottom: 6px; }
  .abundance-page .component-hotspots { padding-top: 4px; padding-bottom: 4px; }
  .abundance-page .component-hotspots button { padding-top: 5px; padding-bottom: 5px; }
  .abundance-page .hardware-reference { padding-top: 7px; padding-bottom: 7px; }
  .model-footnote { margin-top: 5px; font-size: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .abundance-page *, .abundance-page *::before, .abundance-page *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .natural-scene, .beach-image, .grain-image, .opening-copy, .chapter-caption, .compute-arrival, .explorer-shell { will-change: auto; }
}

/* The hardware arrives before its surrounding interface; no layout switch at arrival. */
.abundance-page .explorer-shell { background: transparent; }
.abundance-page .lab-frame { border-color: rgb(239 239 235 / calc(.18 * var(--chrome-reveal, 0))); }
.abundance-page .scene-column { background: radial-gradient(ellipse at 55% 46%, rgb(21 33 32 / var(--chrome-reveal, 0)), rgb(9 13 12 / var(--chrome-reveal, 0)) 75%); }
.abundance-page .explorer-topline,
.abundance-page .scene-toolbar,
.abundance-page .scene-view-controls,
.abundance-page .component-hotspots,
.abundance-page .model-footnote { opacity: var(--chrome-reveal, 0); transform: translateY(calc(12px * (1 - var(--chrome-reveal, 0)))); will-change: opacity, transform; }
.abundance-page .scene-grid,
.abundance-page .scene-scale,
.abundance-page .scene-coordinate,
.abundance-page .scene-note { opacity: var(--chrome-reveal, 0); }
.abundance-page #architecture-canvas { opacity: var(--hardware-reveal, 0); transform: translateY(calc(18px * (1 - var(--hardware-reveal, 0)))) scale(calc(1.07 - .07 * var(--hardware-reveal, 0))); transform-origin: 50% 51%; will-change: opacity, transform; }
.abundance-page .component-inspector { opacity: var(--panel-reveal, 0); transform: translateX(calc(28px * (1 - var(--panel-reveal, 0)))); will-change: opacity, transform; }
/* Stable framing: the scene moves, while navigation and text retain their geometry. */
.abundance-page .journey-header { height: 76px; }
.abundance-page .journey-chapters { height: 56px; padding-inline: 4.8vw; }
.abundance-page .journey-chapters button { min-height: 44px; }
@media(max-width:700px) {
  .abundance-page .journey-header { height:66px; }
  .abundance-page .journey-chapters { height:58px; padding-inline:4vw; }
  .abundance-page .journey-chapters button { font-size:7px!important; }
}
.low-motion .explorer-topline,.low-motion .scene-toolbar,.low-motion .scene-view-controls,.low-motion .component-hotspots,.low-motion .model-footnote,.low-motion #architecture-canvas,.low-motion .component-inspector { transform:none; will-change:auto; }