/* LumenSpatial: a quiet instrument palette and one bounded spatial light study.
   Type follows the brand tiers (docs/styles.md): labels at --text-label, readouts never below --text-floor,
   sentences and disclosures at --text-caption (.study-disclosure). */
.theme-lumenspatial {
  --experience-background: #07120f;
  --experience-accent: #cbdbae;
  --ls-paper: #f0eee2;
  --ls-muted: #a6b8ad;
  --ls-quiet: #94ad9d;
  --ls-line: #d5e5ce22;
  --color-ink: var(--ls-paper);
  --color-ink-muted: var(--ls-muted);
  --color-accent: #cbdbae;
  --max-width: 1240px;
  --study-disclosure-ink: #a9c0b0;
  --focus-ring-color: #dfdcaa;
  background: var(--experience-background);
}
.theme-lumenspatial::before { opacity: .025; }
.theme-lumenspatial main::before, .theme-lumenspatial main::after { display: none; }
.theme-lumenspatial main > section { scroll-margin-top: calc(var(--experience-sticky-top, 126px) + 24px); }
.theme-lumenspatial main p { font-size: inherit; line-height: inherit; }
.theme-lumenspatial main .eyebrow { color: #c0c5a1; font-size: var(--text-label); font-weight: 500; letter-spacing: var(--track-label); text-shadow: none; }
.theme-lumenspatial .ls-cinematic-hero { --experience-accent: #cbdbae; }
.theme-lumenspatial main .ls-heading h2, .theme-lumenspatial main .ls-records h2, .theme-lumenspatial main .ls-measurement-note h2 { margin: 1rem 0 0; color: var(--ls-paper); font-size: clamp(3rem, 5.5vw, 5.2rem); font-weight: var(--display-weight); letter-spacing: var(--track-display); line-height: 1.035; }
.ls-heading { display: grid; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 4rem; }
.theme-lumenspatial main .ls-heading > p { max-width: 41ch; margin: 0 0 .3rem auto; color: var(--ls-muted); font-size: .98rem; line-height: 1.85; }

/* The study. The field holds on screen while native scrolling turns it (and, in Volume, spreads its layers). */
.ls-field { padding-top: clamp(5rem, 9vw, 9rem); background: radial-gradient(ellipse at 67% 45%, #2140313b, transparent 67%); }
.ls-field > .ls-heading { margin-bottom: 3rem; }
.ls-field-runway { position: relative; }
.ls-field-stage { position: relative; padding-block: 1.5rem; }
[data-lumen-renderer="webgl"]:is([data-lumen-motion="active"], [data-lumen-motion="paused"]) .ls-field-runway { height: 160svh; }
[data-lumen-renderer="webgl"]:is([data-lumen-motion="active"], [data-lumen-motion="paused"]) .ls-field-stage { position: sticky; top: var(--experience-sticky-top, 126px); height: calc(100svh - var(--experience-sticky-top, 126px)); min-height: 650px; display: flex; flex-direction: column; justify-content: center; }

/* Desktop: the reading column beside the field, its group centred on the field's height. The DOM order (heading,
   field, reading, slice, geometry, points) is the phone's reading order. */
.ls-study-layout { display: grid; grid-template-columns: 282px minmax(0, 1fr); grid-template-rows: 1fr auto auto auto 1fr; column-gap: clamp(2.5rem, 5vw, 5.5rem); }
.ls-study-layout > :not(.ls-study-map) { grid-column: 1; min-width: 0; }
.theme-lumenspatial main .ls-study-kicker { grid-row: 2; margin: 0; padding-top: 1.35rem; border-top: 1px solid var(--ls-line); color: var(--ls-quiet); font-size: var(--text-label); letter-spacing: .04em; }
.ls-study-head, .ls-static-reading { grid-row: 3; }
.ls-study-panel { grid-row: 4; }
.ls-study-map { grid-column: 2; grid-row: 1 / -1; }
.ls-study-head h3, .ls-static-reading h3 { min-height: 2.14em; margin: 1.5rem 0 .95rem; color: var(--ls-paper); font: var(--display-weight) 2.25rem/1.07 var(--font-display); letter-spacing: var(--track-title); }
.theme-lumenspatial main .ls-view-description, .theme-lumenspatial main .ls-static-reading p { min-height: 5.5em; margin: 0; color: var(--ls-muted); font-size: var(--text-caption); line-height: 1.85; }

.ls-point-reading { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--ls-line); }
.theme-lumenspatial main .ls-point-label { margin: 0 0 .45rem; color: var(--ls-quiet); font-size: var(--text-label); letter-spacing: .04em; }
.theme-lumenspatial main .ls-point-value { margin: 0; color: #e4e6c3; font-family: var(--font-display); font-size: 3.45rem; font-weight: var(--display-weight); line-height: 1.05; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.ls-point-value small { color: #8aa18e; font-family: var(--font-text); font-size: var(--text-label); letter-spacing: .01em; }
.theme-lumenspatial main .ls-point-coordinate { margin: .65rem 0 0; color: var(--ls-quiet); font-size: var(--text-label); font-variant-numeric: tabular-nums; }

.ls-slice-control { margin-top: 1.4rem; }
.ls-slice-control > div:first-child { display: flex; align-items: baseline; justify-content: space-between; color: #b8c8bd; font-size: var(--text-label); }
.ls-slice-control output { color: #d8dcc1; font-size: var(--text-label); letter-spacing: .06em; font-variant-numeric: tabular-nums; }
input[data-lumen-slice] { display: block; width: 100%; min-width: 0; height: 44px; margin: 0; padding: 0; background: transparent; accent-color: #d2dbb0; cursor: pointer; }
.ls-slice-ends { display: flex; justify-content: space-between; margin-top: -.2rem; color: #8aa393; font-size: var(--text-floor); }

.ls-view-switch { display: grid; grid-template-columns: 1fr 1fr; gap: .45rem; margin-top: 1.3rem; }
.ls-view-switch button { min-height: 44px; border: 1px solid #adcfb829; border-radius: 5px; background: #10221a; color: #b3c4b9; font: inherit; font-size: var(--text-caption); cursor: pointer; transition: background-color var(--motion-quick) var(--ease-standard), border-color var(--motion-quick) var(--ease-standard), color var(--motion-quick) var(--ease-standard), scale var(--motion-instant) var(--ease-standard); }
.ls-view-switch button[aria-pressed="true"] { color: #e8e7c9; border-color: #c5d3a768; background: #b8cc9d14; }
.ls-view-switch button:focus-visible { background: #c0d3a523; border-color: #c8d6b17a; }
.ls-view-switch button:active { scale: .985; background: #c0d3a52e; transition-duration: var(--motion-instant); }

.ls-point-controls { display: flex; justify-content: space-between; gap: .6rem; margin-top: .5rem; }
.ls-point-controls button, .ls-map-actions button, button[data-lumen-motion], button[data-lumen-film-motion] {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem; min-height: 44px; padding: .5rem 0; border: 0; background: none;
  color: #bed1c2; font: inherit; font-size: var(--text-label); cursor: pointer;
  transition: color var(--motion-quick) var(--ease-standard), scale var(--motion-instant) var(--ease-standard);
}
.ls-point-controls .icon, .ls-map-actions .icon { transition: transform var(--motion-medium) var(--ease-standard); }
:is(.ls-point-controls, .ls-map-actions) button:focus-visible, button[data-lumen-motion]:focus-visible, button[data-lumen-film-motion]:focus-visible { color: #f0edc7; }
.ls-point-controls button:focus-visible .icon--arrow-right { transform: translateX(2px); }
.ls-point-controls button:focus-visible .icon--arrow-left { transform: translateX(-2px); }
:is(.ls-point-controls, .ls-map-actions) button:active, button[data-lumen-motion]:active, button[data-lumen-film-motion]:active { scale: .985; color: #f0edc7; transition-duration: var(--motion-instant); }

/* The field */
.ls-study-map { position: relative; height: min(67svh, 700px); min-height: 500px; overflow: clip; isolation: isolate; background: radial-gradient(ellipse at 50% 50%, #33593c35, transparent 67%); }
.ls-map-heading { position: absolute; inset: 0 0 auto; z-index: 2; display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.2rem; border-top: 1px solid var(--ls-line); color: #a6bcab; font-size: var(--text-floor); letter-spacing: .06em; pointer-events: none; }
.ls-map-heading > span:first-child { font-weight: 500; letter-spacing: var(--track-label); text-transform: uppercase; }
.ls-field-fallback { display: block; width: 100%; height: 100%; object-fit: contain; }
.ls-field-diagram { display: none; position: absolute; inset: 3.6rem 0 6rem; width: 100%; height: calc(100% - 9.6rem); }
.ls-diagram-dot { fill: color-mix(in srgb, #eeca72 calc(var(--level) * 100%), #327579); }
.ls-diagram-selected { fill: none; stroke: #fff5c4; stroke-width: 1.5; }
.ls-diagram-layer { fill: none; stroke: #a6bcab80; stroke-width: 1; }
.ls-diagram-layer.is-active { fill: #cbdbae; stroke: #cbdbae; }
[data-lumen-canvas] { display: none; position: absolute; inset: 0; width: 100%; height: 100%; touch-action: pan-y pinch-zoom; cursor: grab; }
[data-lumen-canvas]:active { cursor: grabbing; }
[data-lumen-renderer="webgl"] [data-lumen-canvas] { display: block; }
[data-lumen-renderer] .ls-field-fallback, [data-lumen-renderer] .ls-map-fallback-note { display: none; }
[data-lumen-renderer="fallback"] .ls-field-diagram { display: block; }
.ls-map-legend { display: none; position: absolute; bottom: 4.1rem; left: 50%; transform: translateX(-50%); align-items: center; gap: .65rem; color: #afc2af; font-size: var(--text-floor); white-space: nowrap; }
[data-lumen-renderer] .ls-map-legend { display: flex; }
.ls-map-gradient { width: 105px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, #327579, #82cfa5, #dad6a0, #eeca72); }
.ls-map-legend > span:last-child { margin-left: .25rem; color: #8aa393; }
.theme-lumenspatial main .ls-map-fallback-note { position: absolute; bottom: 1rem; width: 100%; margin: 0; color: #93a99b; font-size: var(--text-label); text-align: center; }
.ls-map-actions { position: absolute; inset: auto 0 .2rem; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: #8ea895; font-size: var(--text-floor); }
.ls-study-footnote { display: flex; justify-content: space-between; align-items: center; gap: 2rem; min-height: 44px; margin-top: .9rem; border-top: 1px solid #d5e5ce15; }
.theme-lumenspatial main .ls-study-footnote p { max-width: 70ch; margin: 0; }
.ls-field [hidden], .ls-film [hidden] { display: none !important; }

/* The workflow */
.ls-workflow-overview { padding: clamp(5rem, 9vw, 9rem) 0; }
.ls-workflow-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3.5rem; }
.ls-workflow-steps > div { padding-top: 1.5rem; border-top: 1px solid var(--ls-line); }
.ls-step-number { color: #c1caaa; font-size: var(--text-label); font-weight: 500; letter-spacing: var(--track-label); font-variant-numeric: tabular-nums; }
.ls-workflow-steps h3 { margin: 2.2rem 0 .8rem; color: #e0e6d3; font-family: var(--font-display); font-size: 2.2rem; font-weight: var(--display-weight); letter-spacing: var(--track-title); }
.theme-lumenspatial main .ls-workflow-steps p { max-width: 32ch; margin: 0; color: #9bb3a3; font-size: .9rem; line-height: 1.85; }

/* Mapping and records: the two concept films */
.ls-mapping { padding: clamp(4.5rem, 8vw, 8rem) 0; border-top: 1px solid var(--ls-line); background: radial-gradient(ellipse at 20% 35%, #274b3639, transparent 65%); }
.ls-mapping > .ls-heading { margin-bottom: 3.5rem; }
.ls-film { margin: 0; min-width: 0; }
.ls-film-screen { position: relative; width: 100%; aspect-ratio: var(--ls-film-ratio, 16 / 9); overflow: clip; border: 1px solid #d5e5ce1a; border-radius: 9px; background: #030907; }
.ls-film-screen > img, .ls-film-screen > video { display: block; position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.ls-film-screen > video { opacity: 0; transition: opacity var(--motion-settle) var(--ease-standard); }
.ls-film.is-cinematic-ready .ls-film-screen > video { opacity: 1; }
.ls-film.is-cinematic-ready .ls-film-poster { opacity: 0; }
.ls-film.is-video-playback-blocked .ls-film-poster { opacity: 1; }
.ls-film figcaption { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; min-height: 60px; color: #95ae9d; font-size: var(--text-label); }
.ls-mapping-details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; margin-top: 2.5rem; }
.ls-mapping-details > div { padding-top: 1.25rem; border-top: 1px solid var(--ls-line); }
.theme-lumenspatial main .ls-detail-label { margin: 0 0 1.1rem; color: #c1caa3; font-size: var(--text-label); font-weight: 500; letter-spacing: var(--track-label); text-transform: uppercase; }
.ls-mapping-details h3 { margin: 0 0 1rem; color: #dce4d5; font-size: 1.24rem; font-weight: var(--display-weight); letter-spacing: var(--track-heading); }
.theme-lumenspatial main .ls-mapping-details p:not(.ls-detail-label) { margin: 0; color: #9bb3a3; font-size: .86rem; line-height: 1.85; }
.ls-records { padding: clamp(5rem, 9vw, 9rem) 0; border-top: 1px solid var(--ls-line); }
.ls-records-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 4rem; align-items: center; }
.theme-lumenspatial main .ls-records h2 { margin-bottom: 1.8rem; font-size: clamp(2.8rem, 4vw, 4.2rem); letter-spacing: var(--track-title); }
.theme-lumenspatial main .ls-records-copy > p:not(.eyebrow) { max-width: 40ch; color: var(--ls-muted); font-size: .94rem; line-height: 1.85; }
.ls-record-list { margin: 2rem 0 0; padding: 0; list-style: none; }
.ls-record-list li { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding-block: .9rem; border-top: 1px solid var(--ls-line); color: #c8d6c8; font-size: var(--text-caption); }
.ls-record-list li span:last-child { color: #8fa894; font-size: var(--text-label); text-align: right; }

/* About the readings */
.ls-measurement-note { padding-block: clamp(4rem, 7vw, 7rem); border-top: 1px solid var(--ls-line); background: #0d1a133d; }
.ls-measurement-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.theme-lumenspatial main .ls-measurement-note h2 { font-size: clamp(2.7rem, 4vw, 3.9rem); letter-spacing: var(--track-title); }
.theme-lumenspatial main .ls-measurement-layout > div:last-child p { max-width: 48ch; margin: 0 0 1.3rem; color: #a3b5a4; font-size: .89rem; line-height: 1.95; }
.ls-release-label { display: inline-block; margin-top: 1rem; color: #c4d2b7; font-size: var(--text-label); font-weight: 500; letter-spacing: var(--track-label); text-transform: uppercase; }

/* Policies and related projects */
.ls-policy-links { display: flex; gap: 1.5rem; padding-block: 1.5rem 2rem; }
.ls-policy-links a, .ls-related .section-heading > a { display: inline-flex; align-items: center; min-height: 44px; color: #a3b9a8; font-size: var(--text-caption); text-decoration: underline 1px transparent; text-underline-offset: 5px; transition: color var(--motion-quick) var(--ease-standard), text-decoration-color var(--motion-medium) var(--ease-standard); }
.ls-policy-links a:focus-visible, .ls-related .section-heading > a:focus-visible { color: var(--ls-paper); text-decoration-color: currentColor; }
.ls-related .section-heading > a { gap: .6rem; color: #b7caba; }
.theme-lumenspatial .ls-related { padding-block: 4rem 6rem; border-top: 1px solid var(--ls-line); }
.theme-lumenspatial main .ls-related h2 { font-size: 2.4rem; font-weight: var(--display-weight); }
.theme-lumenspatial .ls-related .project-related-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.theme-lumenspatial .ls-related .project-card { border-color: var(--ls-line); border-radius: 10px; background: #112019; box-shadow: none; }
.theme-lumenspatial .ls-related .project-card h3 { font-weight: var(--display-weight); }

@media (hover: hover) and (pointer: fine) {
  .ls-view-switch button:hover { background: #c0d3a523; border-color: #c8d6b17a; }
  :is(.ls-point-controls, .ls-map-actions) button:hover, button[data-lumen-motion]:hover, button[data-lumen-film-motion]:hover { color: #f0edc7; }
  .ls-point-controls button:hover .icon--arrow-right { transform: translateX(2px); }
  .ls-point-controls button:hover .icon--arrow-left { transform: translateX(-2px); }
  .ls-policy-links a:hover, .ls-related .section-heading > a:hover { color: var(--ls-paper); text-decoration-color: currentColor; }
}

@media (max-width: 1100px) {
  .ls-study-layout { grid-template-columns: 265px minmax(0, 1fr); column-gap: 2.5rem; }
  .ls-records-layout { gap: 2.5rem; }
  .ls-heading { gap: 3rem; }
}
@media (max-width: 820px), (max-height: 800px) {
  [data-lumen-field] .ls-field-runway { height: auto !important; }
  [data-lumen-field] .ls-field-stage { position: relative !important; top: 0 !important; height: auto !important; min-height: 0 !important; }
}
/* Tablet and phone: heading, then the field with its reading directly below, then slice and geometry, so a touch on
   the field and the value it changes share one screen. */
@media (max-width: 820px) {
  .ls-heading { grid-template-columns: 1fr; gap: 1.8rem; }
  .theme-lumenspatial main .ls-heading > p { max-width: 47ch; margin: 0; font-size: .94rem; }
  .theme-lumenspatial main .ls-heading h2 { font-size: clamp(2.9rem, 7vw, 4.1rem); letter-spacing: var(--track-title); }
  .ls-field { padding-top: 4.5rem; }
  .ls-study-layout { grid-template-columns: 1fr; grid-template-rows: none; }
  .ls-study-layout > * { grid-column: 1 !important; grid-row: auto !important; }
  .ls-study-head h3, .ls-static-reading h3 { min-height: 0; font-size: 2.05rem; margin: 1.3rem 0 .8rem; }
  .theme-lumenspatial main .ls-view-description, .theme-lumenspatial main .ls-static-reading p { min-height: 3.7em; font-size: .88rem; }
  .ls-study-map { height: min(70vw, 530px); min-height: 390px; margin-top: 1.2rem; }
  .ls-study-panel { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 0 2rem; }
  .ls-point-reading { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto; align-items: center; column-gap: 1rem; margin-top: .4rem; }
  .theme-lumenspatial main .ls-point-value { grid-column: 2; grid-row: 1 / span 2; font-size: 2.9rem; }
  .theme-lumenspatial main .ls-point-coordinate { grid-column: 1; }
  .ls-workflow-steps { gap: 1.7rem; }
  .ls-workflow-steps h3 { font-size: 1.8rem; }
  .theme-lumenspatial main .ls-workflow-steps p { font-size: .82rem; }
  .ls-mapping-details { gap: 1.7rem; }
  .ls-mapping-details h3 { font-size: 1.1rem; }
  .theme-lumenspatial main .ls-mapping-details p:not(.ls-detail-label) { font-size: .82rem; }
  .ls-records-layout, .ls-measurement-layout { grid-template-columns: 1fr; gap: 3rem; }
  .theme-lumenspatial main .ls-records-copy > p:not(.eyebrow) { max-width: 55ch; }
  .ls-record-list { max-width: 570px; }
}
@media (max-width: 520px) {
  .ls-study-map { min-height: 345px; }
  .ls-map-heading > span:last-child { letter-spacing: 0; }
  .ls-map-legend { bottom: 3.7rem; gap: .5rem; }
  .ls-map-gradient { width: 80px; }
  .ls-field-diagram { inset: 3rem 0 5.4rem; height: calc(100% - 8.4rem); }
  .ls-study-panel { grid-template-columns: 1fr; }
  .ls-point-reading { margin-top: .2rem; }
  .ls-slice-control { margin-top: 1rem; }
  .ls-view-switch { margin-top: 1rem; }
  .ls-study-footnote { gap: 1rem; margin-top: 1.8rem; }
  button[data-lumen-motion] { white-space: nowrap; }
  .ls-workflow-steps, .ls-mapping-details { grid-template-columns: 1fr; gap: 2.3rem; }
  .ls-workflow-steps > div { display: grid; grid-template-columns: 30px 1fr; gap: 0 1rem; }
  .ls-step-number { grid-row: span 2; padding-top: .45rem; }
  .ls-workflow-steps h3 { margin: 0 0 .8rem; }
  .theme-lumenspatial main .ls-workflow-steps p { grid-column: 2; max-width: 38ch; font-size: .9rem; }
  .ls-mapping-details h3 { font-size: 1.3rem; }
  .theme-lumenspatial main .ls-mapping-details p:not(.ls-detail-label) { font-size: .88rem; }
  .ls-film figcaption { gap: 1rem; }
  button[data-lumen-film-motion] { white-space: nowrap; }
  .theme-lumenspatial main .ls-records h2 { font-size: 2.8rem; }
  .theme-lumenspatial .ls-related .project-related-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  [data-lumen-field] .ls-field-runway { height: auto !important; }
  [data-lumen-field] .ls-field-stage { position: relative !important; top: 0 !important; height: auto !important; min-height: 0 !important; }
  .ls-field *, .ls-film * { transition: none !important; animation: none !important; }
}
/* Forced colours keep the field as its dot plan (the canvas and the decorative poster step aside). */
@media (forced-colors: active) {
  .theme-lumenspatial { --study-disclosure-ink: CanvasText; }
  [data-lumen-field] .ls-field-runway { height: auto !important; }
  [data-lumen-field] .ls-field-stage { position: relative !important; top: 0 !important; height: auto !important; min-height: 0 !important; }
  [data-lumen-canvas], .ls-field-fallback, .ls-map-fallback-note { display: none !important; }
  .ls-study-map { background: Canvas; }
  .ls-diagram-dot { fill: CanvasText; }
  .ls-diagram-selected { stroke: Highlight; stroke-width: 2.5; }
  .ls-diagram-layer { stroke: CanvasText; }
  .ls-diagram-layer.is-active { fill: Highlight; stroke: Highlight; }
  .ls-map-gradient { height: 0; border-bottom: 5px solid CanvasText; background: none; clip-path: polygon(0 100%, 100% 0, 100% 100%); }
  .ls-view-switch button[aria-pressed="true"] { outline: 2px solid Highlight; }
  .ls-film-screen > video { display: none; }
  .ls-film .ls-film-poster { opacity: 1 !important; }
}