:root {
  color-scheme: dark;
  --bg: #050707;
  --bg-soft: #0c0f0f;
  --paper: #101414;
  --paper-alt: #f2efe6;
  --ink: #f7f3e8;
  --ink-dark: #141515;
  --muted: #c5cdce;
  --muted-dark: #586061;
  --rule: #2b3435;
  --rule-strong: #516163;
  --cyan: #60d9f7;
  --mint: #72dcac;
  --amber: #edb84c;
  --clay: #df765e;
  --community: #b7d770;
  --page-pad: clamp(1rem, 3.6vw, 4rem);
  --content-wide: min(100%, 76rem);
  --content-copy: min(100%, 66rem);
  --content-readable: min(100%, 58rem);
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 5.5rem;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  min-height: 4.25rem;
  padding: 0 2rem;
  border-bottom: 1px solid rgba(247, 243, 232, 0.14);
  background: rgba(5, 7, 7, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.65rem;
  width: max-content;
}

.brand-mark {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
}

.brand-mark span,
.brand-ng {
  color: var(--mint);
}

.brand-kicker,
.top-nav,
.header-cta,
.eyebrow,
.article-kicker,
.timeline span,
.source-list li::before {
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.brand-kicker {
  color: var(--muted);
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.95rem;
  min-width: 0;
  color: var(--muted);
  white-space: nowrap;
}

.top-nav a,
.header-cta,
.source-list a {
  text-decoration-color: transparent;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
  transition:
    color 160ms ease,
    text-decoration-color 160ms ease;
}

.top-nav a:hover,
.header-cta:hover,
.source-list a:hover {
  color: var(--cyan);
  text-decoration-color: currentColor;
}

.header-cta {
  justify-self: end;
  color: var(--ink);
}

.section-band {
  padding: clamp(3.5rem, 4.5vw, 4.25rem) var(--page-pad);
}

.manifesto-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 0.38fr);
  align-items: start;
  min-height: min(48rem, calc(88vh - 4.25rem));
  padding-top: clamp(3.2rem, 5vw, 5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5.25rem);
  border-bottom: 1px solid rgba(247, 243, 232, 0.18);
}

.manifesto-hero .hero-copy {
  grid-column: 1;
  width: min(100%, 64rem);
  margin: 0;
}

.manifesto-hero h1 {
  max-width: min(100%, 64rem);
}

.layer-scroll-story {
  --layer-progress: 0;
  --layer-detail: 0;
  --layer-visual-opacity: 1;
  --layer-model-opacity: 1;
  --layer-left: calc(82vw - min(23.4vw, 24.375rem));
  --layer-top: max(7rem, 16vh);
  --layer-width: min(46.8vw, 48.75rem);
  --layer-height: calc(min(46.8vw, 48.75rem) / 1.578);
  position: relative;
  overflow: clip;
  background:
    radial-gradient(circle at 78% 8%, rgba(96, 217, 247, 0.09), transparent 28rem),
    radial-gradient(circle at 74% 32%, rgba(114, 220, 172, 0.055), transparent 32rem);
}

.layer-scroll-story > section {
  position: relative;
  z-index: 2;
}

.layer-scroll-visual {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.layer-scroll-visual-inner {
  position: fixed;
  left: var(--layer-left);
  top: var(--layer-top);
  width: var(--layer-width);
  height: var(--layer-height);
  opacity: var(--layer-visual-opacity);
  transform-origin: center center;
  will-change: left, top, width, height, opacity;
  pointer-events: auto;
  filter:
    saturate(calc(0.82 + var(--layer-detail) * 0.2))
    contrast(calc(0.98 + var(--layer-detail) * 0.08));
}

.layer-scroll-story .manifesto-article,
.layer-scroll-story .risk-model-copy {
  position: relative;
  isolation: isolate;
}

.layer-scroll-story .manifesto-article::before,
.layer-scroll-story .risk-model-copy::before {
  content: none;
}

.layer-scroll-story .article-band:nth-of-type(2n) {
  background: transparent;
}

.layer-scroll-story .manifesto-article p,
.layer-scroll-story .manifesto-article h2,
.layer-scroll-story .article-kicker,
.layer-scroll-story .risk-model-copy p,
.layer-scroll-story .risk-model-copy h2,
.layer-scroll-story .risk-model-copy .eyebrow {
  border-radius: 6px;
  background: rgba(5, 7, 7, 0.1);
  box-shadow: 0 0 0 0.18rem rgba(5, 7, 7, 0.1);
  text-shadow:
    0 0 0.95rem rgba(5, 7, 7, 0.88),
    0 0 0.28rem rgba(5, 7, 7, 0.72);
}

.layer-scroll-visual-inner::before,
.risk-layer-dock::before {
  content: "";
  position: absolute;
  inset: 10% 0 4%;
  z-index: -1;
  border-radius: 999px;
  background: rgba(96, 217, 247, 0.085);
  filter: blur(34px);
}

.layered-floorplate-visual svg {
  display: block;
  width: 100%;
  height: 100%;
}

.layer-soft-grid path {
  stroke: rgba(247, 243, 232, 0.055);
  stroke-width: 1;
}

.floor-layer {
  transform-box: fill-box;
  transform-origin: center center;
  stroke-width: 2;
  opacity: 0.86;
  transition:
    opacity 160ms ease,
    stroke 160ms ease,
    stroke-width 160ms ease,
    filter 160ms ease;
}

.floor-layer[data-layer-key],
.layer-dot[data-layer-key],
.floor-label[data-layer-key],
.layer-label[data-layer-key],
.risk-input {
  cursor: pointer;
  pointer-events: auto;
}

.layer-context {
  fill: rgba(183, 215, 112, 0.056);
  stroke: rgba(183, 215, 112, 0.24);
  transform: translate(calc(var(--layer-detail) * -16px), calc(var(--layer-detail) * 30px));
}

.layer-air {
  fill: rgba(96, 217, 247, 0.07);
  stroke: rgba(96, 217, 247, 0.24);
  transform: translate(calc(var(--layer-detail) * -6px), calc(var(--layer-detail) * 12px));
}

.layer-people {
  fill: rgba(237, 184, 76, 0.056);
  stroke: rgba(237, 184, 76, 0.23);
  transform: translate(calc(var(--layer-detail) * 6px), calc(var(--layer-detail) * -12px));
}

.layer-service {
  fill: rgba(223, 118, 94, 0.052);
  stroke: rgba(223, 118, 94, 0.23);
  transform: translate(calc(var(--layer-detail) * 16px), calc(var(--layer-detail) * -30px));
}

.floor-plan-line,
.floor-label-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.floor-plan-line {
  stroke: rgba(247, 243, 232, 0.13);
  stroke-width: 1.4;
}

.floor-label-line {
  stroke: rgba(247, 243, 232, 0.2);
  stroke-width: 1;
}

.edge-tag {
  color: var(--ink);
}

.edge-tag.tag-air {
  color: var(--cyan);
}

.edge-tag.tag-people {
  color: var(--amber);
}

.edge-tag.tag-service {
  color: var(--clay);
}

.edge-tag.tag-context {
  color: var(--community);
}

.tag-bg {
  fill: rgba(5, 7, 7, 0.86);
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-opacity: 0.58;
}

.edge-tag .leader {
  stroke: currentColor;
  stroke-width: 1.65;
  opacity: 0.72;
}

.layer-dot {
  transform-box: fill-box;
  transform-origin: center center;
  stroke: rgba(5, 7, 7, 0.7);
  stroke-width: 2;
  transition:
    opacity 160ms ease,
    stroke-width 160ms ease,
    filter 160ms ease;
}

.dot-context {
  color: var(--community);
  fill: var(--community);
  transform: translate(calc(var(--layer-detail) * -16px), calc(var(--layer-detail) * 30px));
}

.dot-air {
  color: var(--cyan);
  fill: var(--cyan);
  transform: translate(calc(var(--layer-detail) * -6px), calc(var(--layer-detail) * 12px));
}

.dot-people {
  color: var(--amber);
  fill: var(--amber);
  transform: translate(calc(var(--layer-detail) * 6px), calc(var(--layer-detail) * -12px));
}

.dot-service {
  color: var(--clay);
  fill: var(--clay);
  transform: translate(calc(var(--layer-detail) * 16px), calc(var(--layer-detail) * -30px));
}

.floorplate-detail {
  opacity: calc(0.42 + var(--layer-detail) * 0.58);
  transition: opacity 160ms ease;
}

.floor-label {
  fill: rgba(247, 243, 232, 0.72);
  font-size: 12px;
  font-weight: 780;
  text-transform: uppercase;
  transition:
    fill 160ms ease,
    opacity 160ms ease,
    filter 160ms ease;
}

.edge-tag .floor-label {
  fill: currentColor;
  font-size: 18px;
  font-weight: 900;
  paint-order: stroke;
  stroke: rgba(5, 7, 7, 0.86);
  stroke-linejoin: round;
  stroke-width: 3.4px;
}

.layer-scroll-story[data-active-layer] .floor-layer,
.layer-model-static[data-active-layer] .floor-layer {
  opacity: 0.26;
}

.layer-scroll-story[data-active-layer="air"] .layer-air,
.layer-scroll-story[data-active-layer="people"] .layer-people,
.layer-scroll-story[data-active-layer="service"] .layer-service,
.layer-scroll-story[data-active-layer="context"] .layer-context,
.layer-model-static[data-active-layer="air"] .layer-air,
.layer-model-static[data-active-layer="people"] .layer-people,
.layer-model-static[data-active-layer="service"] .layer-service,
.layer-model-static[data-active-layer="context"] .layer-context {
  opacity: 1;
  stroke-width: 3.2;
  filter: drop-shadow(0 0 12px rgba(247, 243, 232, 0.12));
}

.layer-scroll-story[data-active-layer] .layer-dot,
.layer-scroll-story[data-active-layer] .layer-label,
.layer-model-static[data-active-layer] .layer-dot,
.layer-model-static[data-active-layer] .layer-label {
  opacity: 0.38;
}

.layer-scroll-story[data-active-layer="air"] .dot-air,
.layer-scroll-story[data-active-layer="people"] .dot-people,
.layer-scroll-story[data-active-layer="service"] .dot-service,
.layer-scroll-story[data-active-layer="context"] .dot-context,
.layer-model-static[data-active-layer="air"] .dot-air,
.layer-model-static[data-active-layer="people"] .dot-people,
.layer-model-static[data-active-layer="service"] .dot-service,
.layer-model-static[data-active-layer="context"] .dot-context {
  opacity: 1;
  stroke-width: 4;
  filter: drop-shadow(0 0 10px currentColor);
}

.layer-scroll-story[data-active-layer="air"] .label-air,
.layer-scroll-story[data-active-layer="people"] .label-people,
.layer-scroll-story[data-active-layer="service"] .label-service,
.layer-scroll-story[data-active-layer="context"] .label-context,
.layer-model-static[data-active-layer="air"] .label-air,
.layer-model-static[data-active-layer="people"] .label-people,
.layer-model-static[data-active-layer="service"] .label-service,
.layer-model-static[data-active-layer="context"] .label-context {
  opacity: 1;
  fill: currentColor;
  filter: drop-shadow(0 0 8px rgba(247, 243, 232, 0.2));
}

.hero-copy,
.section-heading,
.manifesto-article,
.final-cta {
  width: var(--content-copy);
  max-width: none;
  margin: 0 auto;
}

.eyebrow,
.article-kicker {
  margin: 0 0 1rem;
  color: var(--cyan);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.04;
  text-wrap: balance;
}

h1 {
  max-width: min(100%, 60rem);
  margin-bottom: 1.35rem;
  font-size: clamp(3.25rem, 6vw, 5rem);
  font-weight: 850;
}

h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(2.15rem, 3.4vw, 3.15rem);
  font-weight: 820;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.1rem;
  font-weight: 820;
}

p {
  color: var(--muted);
  overflow-wrap: break-word;
}

.hero-lede {
  max-width: min(100%, 50rem);
  margin-bottom: 0;
  color: #d7dcda;
  font-size: clamp(1.12rem, 1.35vw, 1.34rem);
  line-height: 1.55;
}

.hero-note {
  max-width: min(100%, 46rem);
  margin-top: 1.2rem;
  font-size: 1.04rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.35em;
}

.primary-action::after,
.secondary-action::after {
  content: "";
  width: 2.25rem;
  height: 1px;
  margin-left: 0.75rem;
  background: currentColor;
}

.primary-action {
  color: var(--mint);
}

.secondary-action {
  color: var(--cyan);
}

.article-band,
.timeline-band,
.thesis-band,
.about-band,
.about-principles,
.field-map-band,
.field-preview-band,
.sources-band,
.final-cta {
  border-bottom: 1px solid rgba(247, 243, 232, 0.13);
}

.article-band:nth-of-type(2n) {
  background: var(--bg-soft);
}

#manifesto {
  background: rgba(0, 0, 0, .8);
}

.article-band + .thesis-band {
  padding-top: clamp(3rem, 4vw, 3.75rem);
}

.manifesto-article p {
  max-width: var(--content-readable);
  font-size: 1.16rem;
}

.manifesto-article p + p {
  margin-top: 1.25rem;
}

.section-standfirst {
  max-width: min(100%, 54rem);
  margin-bottom: 2rem;
  color: #d7dcda;
  font-size: 1.32rem;
  line-height: 1.46;
}

.key-takeaway {
  margin-top: 2.25rem;
  padding: 1rem 1.1rem;
  border-top: 1px solid rgba(114, 220, 172, 0.38);
  border-bottom: 1px solid rgba(114, 220, 172, 0.22);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 760;
}

.article-action {
  margin-top: 1.5rem;
}

.pull-quote {
  max-width: var(--content-copy);
  margin: 2.75rem 0;
  padding: 1.35rem 0 1.35rem 1.25rem;
  border-left: 4px solid var(--amber);
  color: var(--ink);
  font-size: 1.65rem;
  font-weight: 850;
  line-height: 1.25;
}

.citation {
  display: inline;
  margin-left: 0.1rem;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  line-height: 1;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  vertical-align: 0.38em;
  cursor: help;
}

.citation::before {
  content: "[";
}

.citation::after {
  content: "]";
}

.citation:hover {
  color: var(--mint);
}

.loop-teaser {
  width: var(--content-wide);
  max-width: none;
  margin: 3rem auto 0;
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(114, 220, 172, 0.08), transparent 22rem),
    linear-gradient(180deg, rgba(96, 217, 247, 0.055), transparent 22rem),
    var(--paper);
}

.loop-teaser svg {
  display: block;
  width: 100%;
  height: auto;
}

.oval-loop-path-soft,
.oval-loop-path-main {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.oval-loop-path-soft {
  stroke: rgba(247, 243, 232, 0.12);
  stroke-width: 16;
}

.oval-loop-path-main {
  stroke: rgba(114, 220, 172, 0.72);
  stroke-width: 4;
}

#oval-loop-arrow path {
  fill: var(--mint);
}

.oval-loop-core rect,
.oval-loop-node rect {
  rx: 7px;
}

.oval-loop-core rect {
  fill: rgba(12, 16, 16, 0.96);
  stroke: rgba(247, 243, 232, 0.18);
  stroke-width: 1.2;
}

.oval-loop-core-label,
.oval-loop-node-number {
  fill: var(--mint);
  font-weight: 850;
}

.oval-loop-core-label {
  font-size: 18px;
}

.oval-loop-core-title {
  fill: var(--ink);
  font-size: 32px;
  font-weight: 880;
}

.oval-loop-node rect {
  fill: rgba(5, 7, 7, 0.88);
  stroke: rgba(247, 243, 232, 0.18);
  stroke-width: 1.4;
}

.oval-loop-node.is-hot rect {
  stroke: rgba(114, 220, 172, 0.58);
}

.oval-loop-node-number {
  font-size: 18px;
}

.oval-loop-node-title {
  fill: var(--ink);
  font-size: 25px;
  font-weight: 850;
}

.loop-mobile-list {
  display: none;
}

.loop-mobile-list li {
  position: relative;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 820;
}

.loop-mobile-list li::before {
  counter-increment: loop-mobile-step;
  content: "0" counter(loop-mobile-step);
  color: var(--mint);
  font-size: 0.72rem;
  font-weight: 850;
}

.loop-mobile-list span {
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 780;
}

.loop-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border-top: 1px solid var(--rule);
  background: var(--rule);
}

.loop-detail-grid article {
  min-height: 11.5rem;
  padding: 1rem;
  background: rgba(5, 7, 7, 0.74);
}

.loop-detail-grid span {
  display: block;
  margin-bottom: 1.15rem;
  color: var(--mint);
  font-size: 0.72rem;
  font-weight: 850;
}

.loop-detail-grid h3 {
  margin-bottom: 0.45rem;
}

.loop-detail-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.48;
}

.section-heading {
  margin-bottom: 2.5rem;
}

.section-heading h2 {
  max-width: min(100%, 62rem);
  margin-bottom: 0;
}

.field-preview-band {
  padding-top: clamp(3.25rem, 4.5vw, 4.5rem);
  padding-bottom: clamp(3.25rem, 4.5vw, 4.5rem);
}

.field-preview-shell {
  display: grid;
  grid-template-columns: minmax(38%, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
  align-items: start;
  width: var(--content-wide);
  max-width: none;
  margin: 0 auto;
}

.field-preview-copy h2 {
  max-width: 600px;
  font-size: clamp(2rem, 2.6vw, 2.45rem);
}

.field-preview-copy p:not(.eyebrow) {
  max-width: 620px;
  font-size: 1.06rem;
}

.field-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.field-preview-card,
.participation-actions article {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(247, 243, 232, 0.04), rgba(247, 243, 232, 0.015)),
    rgba(5, 7, 7, 0.48);
}

.field-preview-card {
  display: flex;
  min-height: 10.4rem;
  flex-direction: column;
  padding: 1rem;
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    background 160ms ease;
}

.field-preview-card:hover {
  border-color: rgba(96, 217, 247, 0.5);
  background:
    linear-gradient(180deg, rgba(96, 217, 247, 0.075), rgba(247, 243, 232, 0.02)),
    rgba(5, 7, 7, 0.62);
  transform: translateY(-2px);
}

.field-preview-card span {
  margin-bottom: 0.75rem;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.field-preview-card strong {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.15;
}

.field-preview-card p {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.tool-route-band {
  border-top: 1px solid rgba(247, 243, 232, 0.13);
  border-bottom: 1px solid rgba(247, 243, 232, 0.13);
  background:
    radial-gradient(circle at 18% 18%, rgba(96, 217, 247, 0.08), transparent 21rem),
    linear-gradient(180deg, rgba(114, 220, 172, 0.045), transparent 28rem),
    var(--bg-soft);
}

.tool-route-band .section-heading,
.tool-route-grid {
  width: var(--content-wide);
  max-width: none;
  margin-right: auto;
  margin-left: auto;
}

.tool-route-band .section-heading {
  display: grid;
  grid-template-columns: minmax(34%, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: end;
}

.tool-route-band .section-heading h2 {
  margin-bottom: 0;
}

.tool-route-band .section-heading p:not(.eyebrow) {
  max-width: min(100%, 48rem);
  margin-bottom: 0;
  font-size: 1.08rem;
}

.tool-route-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 2rem;
  border: 1px solid var(--rule-strong);
  border-radius: 8px;
  overflow: hidden;
  background: var(--rule);
}

.tool-route-grid article {
  min-height: 18rem;
  padding: clamp(1.25rem, 2.4vw, 2rem);
  background:
    linear-gradient(180deg, rgba(247, 243, 232, 0.055), rgba(247, 243, 232, 0.018)),
    rgba(5, 7, 7, 0.78);
}

.tool-route-grid span {
  display: block;
  margin-bottom: 1.1rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.tool-route-grid h3 {
  max-width: 34rem;
  font-size: clamp(1.8rem, 2.7vw, 2.75rem);
}

.tool-route-grid p {
  max-width: 38rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.52;
}

.participation-panel {
  display: grid;
  grid-template-columns: minmax(38%, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
  align-items: start;
  width: var(--content-wide);
  max-width: none;
  margin: 2.25rem auto 0;
  padding-top: 2.25rem;
  border-top: 1px solid var(--rule-strong);
  scroll-margin-top: 5.5rem;
}

.participation-copy h2 {
  max-width: 520px;
  font-size: 2.15rem;
}

.participation-copy p:not(.eyebrow) {
  max-width: 600px;
  font-size: 1rem;
}

.participation-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.participation-actions article {
  display: flex;
  min-height: 13.5rem;
  flex-direction: column;
  padding: 1rem;
}

.participation-actions article h3 {
  max-width: 13rem;
}

.participation-actions article p {
  font-size: 0.92rem;
  line-height: 1.55;
}

.participation-actions a {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  color: var(--mint);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.35em;
}

.participation-actions a::after {
  content: "";
  width: 2.25rem;
  height: 1px;
  margin-left: 0.75rem;
  background: currentColor;
}

.about-prose {
  max-width: 860px;
  margin: 0 auto;
}

.about-prose h2 {
  max-width: 720px;
}

.about-prose p {
  font-size: 1.16rem;
}

.about-prose p + p {
  margin-top: 1.25rem;
}

.history-primer {
  border-bottom: 1px solid rgba(247, 243, 232, 0.13);
}

.history-intro,
.history-list,
.history-sources-band .section-heading,
.history-source-list {
  width: var(--content-wide);
  max-width: none;
  margin: 0 auto;
}

.history-intro {
  display: grid;
  grid-template-columns: minmax(34%, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}

.history-intro h2 {
  margin-bottom: 0;
}

.history-intro p:not(.eyebrow) {
  max-width: min(100%, 44rem);
  font-size: 1.1rem;
}

.history-lens-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  width: var(--content-wide);
  margin: 2rem auto 0;
}

.history-lens-grid article {
  min-height: 7.5rem;
  padding: 1rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: rgba(12, 15, 15, 0.72);
}

.history-lens-grid span,
.history-date {
  color: var(--amber);
  font-size: 0.74rem;
  font-weight: 850;
  text-transform: uppercase;
}

.history-lens-grid p {
  margin: 0.75rem 0 0;
  font-size: 0.94rem;
  line-height: 1.5;
}

.history-quick-grid,
.history-track-grid,
.history-reference,
.history-source-groups {
  width: var(--content-wide);
  max-width: none;
  margin-right: auto;
  margin-left: auto;
}

.history-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2rem;
}

.history-quick-grid article,
.history-track-grid a {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: rgba(12, 15, 15, 0.72);
}

.history-quick-grid article {
  min-height: 8rem;
  padding: 1rem;
}

.history-quick-grid span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--mint);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 850;
  line-height: 1;
}

.history-quick-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.45;
}

.history-track-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 1rem;
}

.history-track-grid a {
  display: flex;
  min-height: 7.8rem;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.8rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.history-track-grid a:hover,
.history-track-grid a:focus-visible {
  border-color: rgba(96, 217, 247, 0.55);
  color: var(--ink);
  background: rgba(96, 217, 247, 0.08);
  outline: 0;
  transform: translateY(-2px);
}

.history-track-grid span {
  display: block;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.history-reference {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.75rem);
}

.history-era {
  display: grid;
  grid-template-columns: minmax(22rem, 0.36fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}

.history-era + .history-era {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid rgba(247, 243, 232, 0.16);
}

.history-era-heading {
  position: sticky;
  top: 5.75rem;
}

.history-era-heading h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 3vw, 2.65rem);
}

.history-era-heading p:not(.eyebrow) {
  max-width: 28rem;
  font-size: 1rem;
  line-height: 1.55;
}

.history-milestone-list {
  display: grid;
  gap: 0.85rem;
}

.history-milestone {
  display: grid;
  grid-template-columns: minmax(9rem, 0.28fr) minmax(0, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
  padding: clamp(1rem, 2vw, 1.35rem);
  border: 1px solid var(--rule);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(247, 243, 232, 0.035), rgba(247, 243, 232, 0.012)),
    rgba(5, 7, 7, 0.52);
}

.history-milestone.is-current {
  border-color: rgba(114, 220, 172, 0.48);
  background:
    linear-gradient(180deg, rgba(114, 220, 172, 0.08), rgba(247, 243, 232, 0.012)),
    rgba(5, 7, 7, 0.6);
}

.history-milestone-meta {
  display: grid;
  align-content: start;
  gap: 0.55rem;
}

.history-milestone-meta span,
.history-milestone-meta strong {
  display: block;
  font-size: 0.72rem;
  font-weight: 850;
  line-height: 1.15;
  text-transform: uppercase;
}

.history-milestone-meta span {
  color: var(--mint);
}

.history-milestone-meta strong {
  color: var(--amber);
}

.history-milestone-copy h3 {
  max-width: min(100%, 46rem);
  margin-bottom: 0.6rem;
  font-size: clamp(1.35rem, 2vw, 1.85rem);
}

.history-milestone-copy p {
  max-width: min(100%, 50rem);
  margin-bottom: 0;
  font-size: 1rem;
  line-height: 1.56;
}

.history-milestone-copy p + p {
  margin-top: 0.75rem;
}

.history-why {
  color: #d7dcda;
}

.history-why strong {
  color: var(--ink);
}

.history-gaps-band {
  border-top: 1px solid rgba(247, 243, 232, 0.13);
  border-bottom: 1px solid rgba(247, 243, 232, 0.13);
  background:
    radial-gradient(circle at 14% 24%, rgba(96, 217, 247, 0.075), transparent 18rem),
    var(--bg-soft);
}

.history-gaps-band .section-heading p:not(.eyebrow) {
  max-width: min(100%, 56rem);
  font-size: 1.08rem;
}

.history-source-groups {
  display: grid;
  gap: 2rem;
}

.history-source-group {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(20, 21, 21, 0.26);
}

.history-source-group h3 {
  margin-bottom: 1rem;
  color: var(--ink-dark);
}

.history-source-group .history-source-list {
  width: auto;
  max-width: none;
  margin: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.history-source-group .history-source-list li {
  border-top-color: rgba(20, 21, 21, 0.18);
}

.history-chronology {
  background:
    linear-gradient(180deg, rgba(96, 217, 247, 0.035), transparent 28rem),
    var(--bg);
}

.history-list {
  display: grid;
  gap: 0;
}

.history-entry {
  display: grid;
  grid-template-columns: minmax(8rem, 18%) minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
  border-top: 1px solid rgba(247, 243, 232, 0.14);
}

.history-entry:last-child {
  border-bottom: 1px solid rgba(247, 243, 232, 0.14);
}

.history-date {
  position: sticky;
  top: 5.25rem;
  align-self: start;
  padding-top: 0.2rem;
  color: var(--mint);
}

.history-entry-copy {
  max-width: min(100%, 58rem);
}

.history-entry-copy h2 {
  max-width: min(100%, 54rem);
  margin-bottom: 0.85rem;
  font-size: clamp(1.7rem, 2.5vw, 2.35rem);
}

.history-entry-copy p:not(.eyebrow) {
  max-width: min(100%, 54rem);
  font-size: 1.08rem;
  line-height: 1.58;
}

.history-entry.is-current {
  border-color: rgba(114, 220, 172, 0.4);
}

.history-entry.is-current .history-entry-copy {
  padding: 1.1rem;
  border: 1px solid rgba(114, 220, 172, 0.3);
  border-radius: 8px;
  background: rgba(114, 220, 172, 0.055);
}

.history-entry.is-current .primary-action {
  margin-top: 0.5rem;
}

.history-sources-band {
  background: var(--paper-alt);
  color: var(--ink-dark);
}

.history-sources-band .eyebrow,
.history-sources-band h2,
.history-source-list a {
  color: var(--ink-dark);
}

.history-source-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 2rem;
  padding-left: 1.35rem;
}

.history-source-list li {
  padding-top: 0.65rem;
  border-top: 1px solid rgba(20, 21, 21, 0.25);
}

.history-source-list a {
  text-decoration-color: rgba(20, 21, 21, 0.38);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.history-source-list a:hover {
  text-decoration-color: currentColor;
}

.field-guide-hero h1,
.field-guide-hero .hero-lede,
.field-guide-hero .hero-note,
.field-guide-hero .back-link {
  max-width: 920px;
}

.field-guide-primer,
.field-guide-guardrails {
  border-bottom: 1px solid rgba(247, 243, 232, 0.13);
}

.field-guide-intro,
.field-guide-quick-grid,
.field-guide-track-grid,
.field-guide-reference,
.field-guide-principles {
  width: var(--content-wide);
  max-width: none;
  margin-right: auto;
  margin-left: auto;
}

.field-guide-intro {
  display: grid;
  grid-template-columns: minmax(34%, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}

.field-guide-intro h2 {
  margin-bottom: 0;
}

.field-guide-intro p:not(.eyebrow) {
  max-width: min(100%, 46rem);
  font-size: 1.1rem;
}

.field-guide-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2rem;
}

.field-guide-quick-grid article {
  min-height: 8rem;
  padding: 1rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: rgba(12, 15, 15, 0.72);
}

.field-guide-quick-grid span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--mint);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 850;
  line-height: 1;
}

.field-guide-quick-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.45;
}

.field-guide-track-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 1rem;
}

.field-guide-track-grid a {
  display: flex;
  min-height: 8.6rem;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.85rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: rgba(12, 15, 15, 0.72);
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.36;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.field-guide-track-grid a:hover,
.field-guide-track-grid a:focus-visible {
  border-color: rgba(96, 217, 247, 0.55);
  color: var(--ink);
  background: rgba(96, 217, 247, 0.08);
  outline: 0;
  transform: translateY(-2px);
}

.field-guide-track-grid span {
  display: block;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  line-height: 1.25;
  text-transform: uppercase;
}

.field-guide-reference {
  display: grid;
  gap: clamp(2.75rem, 5vw, 4.75rem);
}

.field-guide-domain {
  display: grid;
  grid-template-columns: minmax(20rem, 0.34fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}

.field-guide-domain + .field-guide-domain {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid rgba(247, 243, 232, 0.16);
}

.field-guide-domain-heading {
  position: sticky;
  top: 5.75rem;
}

.field-guide-domain-heading h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 3vw, 2.65rem);
}

.field-guide-domain-heading p:not(.eyebrow) {
  max-width: 30rem;
  font-size: 1rem;
  line-height: 1.55;
}

.field-guide-domain-heading .primary-action {
  margin-top: 1rem;
}

.field-guide-resource-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule-strong);
}

.field-guide-resource {
  display: grid;
  grid-template-columns: minmax(9.5rem, 0.24fr) minmax(0, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
  padding: clamp(1rem, 2vw, 1.2rem) 0;
  border-bottom: 1px solid var(--rule);
}

.field-guide-resource span,
.field-guide-principles span {
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 850;
  line-height: 1.2;
  text-transform: uppercase;
}

.field-guide-resource h3 {
  max-width: min(100%, 42rem);
  margin-bottom: 0.45rem;
  font-size: clamp(1.22rem, 1.8vw, 1.55rem);
}

.field-guide-resource p {
  max-width: min(100%, 50rem);
  margin-bottom: 0;
  font-size: 0.99rem;
  line-height: 1.55;
}

.field-guide-resource a {
  text-decoration-color: rgba(96, 217, 247, 0.52);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.field-guide-resource a:hover,
.field-guide-resource a:focus-visible {
  color: var(--cyan);
  text-decoration-color: currentColor;
  outline: 0;
}

.field-guide-guardrails {
  background:
    radial-gradient(circle at 12% 24%, rgba(237, 184, 76, 0.08), transparent 20rem),
    var(--bg-soft);
}

.field-guide-principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
  background: var(--rule);
}

.field-guide-principles article {
  min-height: 13rem;
  padding: 1rem;
  background: rgba(5, 7, 7, 0.72);
}

.field-guide-principles span {
  display: block;
  margin-bottom: 1rem;
  color: var(--mint);
}

.field-guide-principles h3 {
  margin-bottom: 0.55rem;
}

.field-guide-principles p {
  margin-bottom: 0;
  font-size: 0.94rem;
  line-height: 1.52;
}

.field-guide-sources .section-heading {
  width: var(--content-wide);
  max-width: none;
}

.field-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 19rem;
  gap: 1.35rem;
  max-width: 1240px;
  margin: 0 auto;
}

.field-map-canvas {
  position: relative;
  min-height: 52rem;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  background:
    radial-gradient(circle at 50% 50%, rgba(114, 220, 172, 0.12), transparent 14rem),
    linear-gradient(135deg, rgba(96, 217, 247, 0.08), transparent 34rem),
    var(--bg-soft);
  isolation: isolate;
}

.field-map-canvas::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    repeating-linear-gradient(
      0deg,
      transparent 0,
      transparent 3rem,
      rgba(247, 243, 232, 0.045) 3rem,
      rgba(247, 243, 232, 0.045) calc(3rem + 1px)
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 3rem,
      rgba(247, 243, 232, 0.035) 3rem,
      rgba(247, 243, 232, 0.035) calc(3rem + 1px)
    );
}

.map-ring,
.map-axis {
  position: absolute;
  pointer-events: none;
}

.map-ring {
  left: 50%;
  top: 50%;
  border: 1px solid rgba(247, 243, 232, 0.14);
  transform: translate(-50%, -50%);
}

.map-ring.outer {
  width: 72%;
  height: 68%;
}

.map-ring.inner {
  width: 39%;
  height: 36%;
  border-color: rgba(96, 217, 247, 0.2);
}

.map-axis.horizontal {
  left: 8%;
  right: 8%;
  top: 50%;
  height: 1px;
  background: rgba(96, 217, 247, 0.16);
}

.map-axis.vertical {
  top: 8%;
  bottom: 8%;
  left: 50%;
  width: 1px;
  background: rgba(237, 184, 76, 0.18);
}

.field-core,
.field-node {
  position: absolute;
  border: 1px solid rgba(247, 243, 232, 0.16);
  background: rgba(5, 7, 7, 0.9);
}

.field-node {
  color: inherit;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.field-node:hover,
.field-node:focus-visible {
  border-color: rgba(96, 217, 247, 0.56);
  background: rgba(8, 13, 13, 0.96);
  box-shadow: 0 0 2.4rem rgba(96, 217, 247, 0.12);
  outline: 0;
}

.field-core {
  left: 50%;
  top: 50%;
  width: 16rem;
  padding: 1.15rem;
  transform: translate(-50%, -50%);
}

.field-core span,
.field-node span,
.field-map-ledger span {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.field-core strong {
  display: block;
  color: var(--ink);
  font-size: 1.55rem;
  font-weight: 850;
  line-height: 1.05;
}

.field-core p,
.field-node p,
.field-map-ledger p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
}

.field-core p {
  margin-top: 0.8rem;
}

.field-node {
  width: 15.6rem;
  min-height: 10.2rem;
  padding: 1rem;
}

.field-node h3,
.field-map-ledger h3 {
  font-size: 1rem;
  line-height: 1.12;
}

.field-node > strong {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}

.node-research {
  left: 4%;
  top: 6%;
}

.node-standards {
  right: 4%;
  top: 7%;
}

.node-tech {
  right: 4%;
  top: 37%;
}

.node-ops {
  right: 4%;
  bottom: 5%;
}

.node-data {
  left: 4%;
  bottom: 5%;
}

.node-advocacy {
  left: 4%;
  top: 37%;
}

.field-map-ledger {
  display: grid;
  align-content: start;
  border-top: 1px solid var(--rule-strong);
}

.field-map-ledger article {
  min-height: 10.4rem;
  padding: 1.15rem 0 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.field-page {
  background:
    radial-gradient(circle at 16% 8%, rgba(96, 217, 247, 0.08), transparent 22rem),
    radial-gradient(circle at 82% 4%, rgba(114, 220, 172, 0.07), transparent 24rem),
    var(--bg);
}

.dossier-hero {
  padding-top: 7rem;
  padding-bottom: 5rem;
  border-bottom: 1px solid rgba(247, 243, 232, 0.18);
}

.dossier-hero h1,
.dossier-hero .hero-lede,
.dossier-hero .hero-note,
.dossier-hero .back-link {
  max-width: 900px;
  margin-right: auto;
  margin-left: auto;
}

.dossier-hero h1 {
  max-width: 940px;
  margin-bottom: 1.35rem;
}

.field-guide-hero {
  padding-top: clamp(4.5rem, 6vw, 5.5rem);
  padding-bottom: clamp(3.25rem, 4vw, 4rem);
}

.field-guide-hero h1 {
  font-size: clamp(2.8rem, 4.7vw, 4.35rem);
}

.history-hero {
  padding-top: clamp(4.5rem, 6vw, 5.5rem);
  padding-bottom: clamp(3.25rem, 4vw, 4rem);
}

.history-hero h1,
.history-hero .hero-lede,
.history-hero .hero-note,
.history-hero .back-link {
  max-width: 860px;
}

.history-hero h1 {
  font-size: clamp(2.8rem, 4.7vw, 4.35rem);
}

.back-link {
  display: block;
  margin-bottom: 2.5rem;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 850;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
  text-transform: uppercase;
}

.dossier-section {
  border-bottom: 1px solid rgba(247, 243, 232, 0.12);
}

.dossier-lenses,
.dossier-list {
  display: grid;
  gap: 1px;
  max-width: 1120px;
  margin: 0 auto;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}

.dossier-lenses {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dossier-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.compact-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.dossier-lenses article,
.dossier-item {
  min-height: 13rem;
  padding: 1.15rem 1rem 1.25rem;
  border-left: 1px solid var(--rule);
}

.dossier-lenses article:last-child,
.dossier-list article:nth-child(2n),
.compact-list article:nth-child(4n) {
  border-right: 1px solid var(--rule);
}

.dossier-lenses span,
.dossier-item span {
  display: block;
  margin-bottom: 1.8rem;
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.dossier-item h3,
.dossier-lenses h3 {
  max-width: 24rem;
}

.dossier-item p,
.dossier-lenses p {
  margin-bottom: 0;
  font-size: 0.98rem;
  line-height: 1.52;
}

.dossier-item a,
.dossier-source-list a {
  color: var(--ink);
  text-decoration-color: rgba(96, 217, 247, 0.52);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.dossier-item a:hover,
.dossier-source-list a:hover {
  color: var(--cyan);
  text-decoration-color: currentColor;
}

.dossier-source-list {
  max-width: 920px;
  margin: 0 auto;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
  list-style-position: inside;
}

.dossier-source-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
}

.dossier-source-list li::marker {
  color: var(--amber);
  font-weight: 850;
}

.spacebot-proof {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  max-width: 900px;
  margin: 0 auto 2.4rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(247, 243, 232, 0.16);
  background: var(--paper-alt);
  color: var(--ink-dark);
}

.spacebot-proof img {
  width: 11rem;
  height: auto;
}

.spacebot-proof span {
  color: var(--muted-dark);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.about-hero {
  position: relative;
  overflow: hidden;
}

.about-hero::after {
  content: "";
  position: absolute;
  right: 4vw;
  bottom: -10rem;
  width: 24rem;
  height: 24rem;
  background: url("assets/spacebot-logomark-rgb-white.png") center / contain no-repeat;
  opacity: 0.035;
  pointer-events: none;
}

.about-stance {
  display: grid;
  gap: 0;
  max-width: 980px;
  margin: 0 auto;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}

.about-stance p {
  margin: 0;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.58;
}

.about-stance p:last-child {
  border-bottom: 0;
}

.room-model-explainer {
  border-bottom: 1px solid rgba(247, 243, 232, 0.12);
}

.room-loop-section {
  width: var(--content-wide);
  max-width: none;
  margin: 0 auto;
  border-bottom: 1px solid rgba(247, 243, 232, 0.12);
  scroll-margin-top: 7rem;
}

.room-loop-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(20rem, 0.52fr);
  gap: 1rem clamp(1.25rem, 3vw, 2.5rem);
  align-items: end;
  max-width: none;
  margin-bottom: clamp(1.2rem, 2.4vw, 2rem);
  padding-bottom: clamp(1rem, 2vw, 1.35rem);
  border-bottom: 1px solid rgba(247, 243, 232, 0.16);
}

.room-loop-heading .eyebrow {
  grid-column: 1 / -1;
}

.room-loop-heading h2 {
  max-width: 54rem;
  margin-bottom: 0;
  font-size: clamp(2.15rem, 4vw, 4.1rem);
}

.room-loop-heading p:not(.eyebrow) {
  max-width: 36rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.55;
}

.room-loop-board {
  padding: clamp(0.9rem, 1.8vw, 1.35rem);
  border: 1px solid rgba(247, 243, 232, 0.15);
  border-radius: 10px;
  background:
    radial-gradient(circle at 50% 36%, rgba(96, 217, 247, 0.07), transparent 26rem),
    linear-gradient(180deg, rgba(247, 243, 232, 0.028), transparent 42%),
    rgba(8, 11, 11, 0.68);
}

.room-loop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(3.4rem, 5.4vw, 5.4rem) minmax(0, 1fr);
  grid-template-rows: auto auto 1fr;
  gap: 0.95rem clamp(0.8rem, 1.5vw, 1.1rem);
  align-items: start;
}

.room-loop-panel {
  display: contents;
}

.room-context-panel .room-loop-copy {
  grid-column: 1;
  grid-row: 1;
}

.room-action-panel .room-loop-copy {
  grid-column: 3;
  grid-row: 1;
}

.room-context-panel .aerosol-diagram {
  grid-column: 1;
  grid-row: 2;
}

.room-action-panel .loop-teaser {
  grid-column: 3;
  grid-row: 2;
}

.room-context-panel .room-loop-notes {
  grid-column: 1;
  grid-row: 3;
}

.room-action-panel .room-loop-notes {
  grid-column: 3;
  grid-row: 3;
}

.room-loop-copy {
  min-height: clamp(4.8rem, 6vw, 6rem);
  padding-bottom: 0;
  border-bottom: 0;
}

.room-loop-copy .eyebrow {
  margin-bottom: 0.6rem;
}

.room-loop-copy h3 {
  max-width: 34rem;
  margin-bottom: 0;
  font-size: clamp(1.55rem, 2.15vw, 2.18rem);
}

.room-loop-notes {
  display: grid;
  gap: 0.72rem;
  align-self: stretch;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(247, 243, 232, 0.11);
  border-radius: 7px;
  background: rgba(5, 7, 7, 0.52);
}

.room-loop-notes p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.52;
}

.room-loop-section .aerosol-diagram {
  position: relative;
  display: grid;
  align-self: start;
}

.room-loop-section .room-shell {
  min-height: 0;
  aspect-ratio: 720 / 430;
  border-radius: 6px;
  container-type: inline-size;
}

.room-loop-section .aerosol-diagram figcaption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.room-loop-section .loop-teaser {
  display: flex;
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: 720 / 430;
  align-self: start;
  align-items: center;
  justify-content: center;
  margin: 0;
  border-radius: 6px;
  border-color: rgba(247, 243, 232, 0.16);
}

.room-loop-section .loop-teaser svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.room-loop-connector {
  grid-column: 2;
  grid-row: 1 / 4;
  display: grid;
  grid-template-rows: auto 1fr auto;
  justify-items: center;
  align-self: stretch;
  min-height: 100%;
  padding-top: clamp(4.8rem, 6vw, 6rem);
  color: var(--cyan);
  text-align: center;
}

.room-loop-connector span,
.room-loop-connector strong {
  font-size: 0.67rem;
  font-weight: 850;
  line-height: 1;
  text-transform: uppercase;
}

.room-loop-connector strong {
  color: var(--mint);
}

.room-loop-connector i {
  position: relative;
  display: block;
  width: 1px;
  min-height: 13rem;
  margin: 0.55rem 0;
  background: linear-gradient(180deg, rgba(96, 217, 247, 0.1), rgba(96, 217, 247, 0.75), rgba(114, 220, 172, 0.1));
}

.room-loop-connector i::before,
.room-loop-connector i::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 0.72rem;
  height: 0.72rem;
  border: 1px solid rgba(96, 217, 247, 0.7);
  border-radius: 999px;
  background: var(--bg);
  transform: translateX(-50%);
}

.room-loop-connector i::before {
  top: 18%;
}

.room-loop-connector i::after {
  bottom: 18%;
  border-color: rgba(114, 220, 172, 0.7);
}

.room-loop-context-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: clamp(1rem, 1.8vw, 1.25rem) 0 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(247, 243, 232, 0.14);
  border-radius: 7px;
  background: rgba(5, 7, 7, 0.72);
  list-style: none;
}

.room-loop-context-strip li {
  min-width: 0;
  padding: 0.9rem 1rem 1rem;
  border-right: 1px solid rgba(247, 243, 232, 0.12);
}

.room-loop-context-strip li:last-child {
  border-right: 0;
}

.room-loop-context-strip span {
  display: block;
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.room-loop-context-strip strong {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 720;
  line-height: 1.42;
}

.room-loop-bridge {
  display: grid;
  grid-template-columns: minmax(8rem, 0.25fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  margin-top: 0.8rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(96, 217, 247, 0.22);
  border-radius: 7px;
  background: rgba(96, 217, 247, 0.045);
}

.room-loop-bridge span {
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.room-loop-bridge strong {
  color: var(--ink);
  font-size: clamp(1rem, 1.4vw, 1.22rem);
}

.scenario-band {
  border-bottom: 1px solid rgba(247, 243, 232, 0.13);
  background:
    radial-gradient(circle at 82% 20%, rgba(96, 217, 247, 0.075), transparent 28rem),
    linear-gradient(180deg, rgba(12, 15, 15, 0.88), rgba(5, 7, 7, 0.96));
}

.scenario-shell {
  display: grid;
  grid-template-columns: minmax(31%, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: start;
  width: var(--content-wide);
  margin: 0 auto;
}

.scenario-copy {
  position: sticky;
  top: 6rem;
}

.scenario-copy h2 {
  max-width: 34rem;
}

.scenario-copy p:not(.eyebrow) {
  max-width: 34rem;
  font-size: 1.06rem;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid rgba(247, 243, 232, 0.14);
}

.scenario-grid article {
  min-height: 15rem;
  padding: clamp(1rem, 2vw, 1.35rem);
  border-right: 1px solid rgba(247, 243, 232, 0.12);
  border-bottom: 1px solid rgba(247, 243, 232, 0.12);
  background:
    linear-gradient(180deg, rgba(247, 243, 232, 0.035), rgba(247, 243, 232, 0.012)),
    rgba(5, 7, 7, 0.42);
}

.scenario-grid article:nth-child(2n) {
  border-right: 0;
}

.scenario-grid article:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.scenario-grid span {
  display: block;
  margin-bottom: 1.1rem;
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.scenario-grid h3 {
  max-width: 18rem;
  font-size: clamp(1.2rem, 1.6vw, 1.45rem);
}

.scenario-grid p {
  margin-bottom: 0;
  font-size: 0.98rem;
  line-height: 1.55;
}

.sandbox-band {
  border-bottom: 1px solid rgba(247, 243, 232, 0.13);
  background:
    radial-gradient(circle at 18% 20%, rgba(114, 220, 172, 0.07), transparent 23rem),
    radial-gradient(circle at 82% 58%, rgba(96, 217, 247, 0.06), transparent 30rem),
    var(--bg);
}

.sandbox-shell {
  display: grid;
  grid-template-columns: minmax(28%, 0.74fr) minmax(0, 1.26fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: start;
  width: var(--content-wide);
  margin: 0 auto;
}

.sandbox-copy {
  position: sticky;
  top: 6rem;
}

.sandbox-copy h2 {
  max-width: 37rem;
  font-size: clamp(2.1rem, 3.2vw, 3.25rem);
}

.sandbox-copy p:not(.eyebrow) {
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.sandbox-panel {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(18rem, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(247, 243, 232, 0.16);
  border-radius: 8px;
  background: rgba(247, 243, 232, 0.14);
}

.sandbox-controls,
.sandbox-output {
  background:
    linear-gradient(180deg, rgba(247, 243, 232, 0.04), rgba(247, 243, 232, 0.012)),
    rgba(5, 7, 7, 0.78);
}

.sandbox-controls {
  display: grid;
  gap: 0.9rem;
  padding: clamp(1rem, 2vw, 1.35rem);
}

.sandbox-controls label {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(247, 243, 232, 0.11);
}

.sandbox-controls label:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.sandbox-controls span,
.sandbox-score span,
.sandbox-actions span {
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  line-height: 1.25;
  text-transform: uppercase;
}

.sandbox-controls strong {
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 850;
}

.sandbox-controls input {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--mint);
}

.sandbox-output {
  display: grid;
  align-content: start;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.35rem);
}

.sandbox-score {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.25rem 1rem;
  align-items: end;
}

.sandbox-score strong {
  grid-row: span 2;
  color: var(--ink);
  font-size: clamp(3.5rem, 7vw, 5.6rem);
  font-weight: 880;
  line-height: 0.88;
}

.sandbox-score em {
  color: var(--mint);
  font-style: normal;
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  font-weight: 850;
}

.sandbox-score em.is-elevated {
  color: var(--amber);
}

.sandbox-score em.is-high {
  color: var(--clay);
}

.sandbox-score em.is-low {
  color: var(--mint);
}

.sandbox-score-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.sandbox-score-band div {
  padding: 0.75rem;
  border: 1px solid rgba(247, 243, 232, 0.12);
  background: rgba(0, 0, 0, 0.22);
}

.sandbox-score-band span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 850;
  text-transform: uppercase;
}

.sandbox-score-band strong {
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 880;
  font-variant-numeric: tabular-nums;
}

.sandbox-meter,
.sandbox-layer-bars div {
  overflow: hidden;
  border-radius: 999px;
  background: rgba(247, 243, 232, 0.1);
}

.sandbox-meter {
  height: 0.6rem;
}

.sandbox-meter i,
.sandbox-layer-bars i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--cyan), var(--amber), var(--clay));
  transition: width 160ms ease;
}

.sandbox-layer-bars {
  display: grid;
  gap: 0.62rem;
  padding-top: 0.3rem;
}

.sandbox-layer-bars article {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) 2rem;
  gap: 0.75rem;
  align-items: center;
}

.sandbox-layer-bars span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.sandbox-layer-bars strong {
  color: var(--ink);
  font-size: 0.8rem;
  text-align: right;
}

.sandbox-layer-bars div {
  height: 0.44rem;
}

.sandbox-actions {
  padding-top: 0.7rem;
  border-top: 1px solid rgba(247, 243, 232, 0.12);
}

.sandbox-actions ul {
  display: grid;
  gap: 0.45rem;
  margin: 0.75rem 0 0;
  padding-left: 1.05rem;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.45;
}

.sandbox-footnote {
  margin: 0;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(247, 243, 232, 0.12);
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.aerosol-explainer {
  display: grid;
  grid-template-columns: minmax(41%, 0.96fr) minmax(0, 1.04fr);
  gap: clamp(1.5rem, 3.5vw, 3rem);
  align-items: center;
  width: var(--content-wide);
  max-width: none;
  margin: 0 auto;
}

.hero-explainer {
  margin-top: 4rem;
}

.aerosol-copy {
  max-width: none;
}

.aerosol-copy h2 {
  max-width: min(100%, 44rem);
  font-size: clamp(2rem, 2.9vw, 2.9rem);
}

.aerosol-copy p {
  font-size: 1.12rem;
}

.aerosol-copy p + p {
  margin-top: 1.2rem;
}

.operating-stack {
  display: grid;
  gap: 0.6rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(247, 243, 232, 0.18);
}

.operating-stack li {
  display: grid;
  grid-template-columns: 5.75rem minmax(0, 1fr);
  gap: 0.9rem;
  padding-top: 0.65rem;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.45;
}

.operating-stack span {
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.aerosol-diagram {
  margin: 0;
}

.room-shell {
  position: relative;
  min-height: 31rem;
  overflow: hidden;
  border: 1px solid rgba(247, 243, 232, 0.18);
  background:
    radial-gradient(ellipse at 63% 48%, rgba(96, 217, 247, 0.12), transparent 17rem),
    linear-gradient(180deg, rgba(12, 15, 15, 0.98), rgba(5, 7, 7, 0.96));
  isolation: isolate;
}

.room-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(247, 243, 232, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(247, 243, 232, 0.05) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: linear-gradient(135deg, black, transparent 86%);
}

.room-floor {
  position: absolute;
  left: 4%;
  right: 4%;
  bottom: 16%;
  height: 1px;
  background: rgba(247, 243, 232, 0.22);
}

.airflow-paths {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.flow-path {
  fill: none;
  stroke-linecap: round;
  stroke-width: 3;
  stroke-dasharray: 12 17;
  animation: flowPulse 4.8s linear infinite;
}

.flow-main {
  stroke: rgba(96, 217, 247, 0.82);
}

.flow-return {
  stroke: rgba(237, 184, 76, 0.58);
  animation-duration: 6.2s;
}

.flow-clean {
  stroke: rgba(114, 220, 172, 0.66);
  animation-duration: 5.4s;
}

.supply-vent,
.return-vent,
.filter-unit,
.material-zone,
.source-label,
.exposure-zone span {
  position: absolute;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.supply-vent,
.return-vent,
.filter-unit,
.material-zone {
  border: 1px solid rgba(247, 243, 232, 0.18);
  background: rgba(5, 7, 7, 0.82);
}

.supply-vent {
  left: 9%;
  top: 9%;
  padding: 0.45rem 0.65rem;
  color: var(--mint);
}

.return-vent {
  right: 7%;
  top: 12%;
  padding: 0.45rem 0.65rem;
  color: var(--amber);
}

.filter-unit {
  right: 8%;
  bottom: 13%;
  width: 5.9rem;
  height: 5.9rem;
  display: grid;
  place-items: center;
  color: var(--cyan);
}

.filter-unit::before,
.filter-unit::after {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  height: 1px;
  background: rgba(96, 217, 247, 0.42);
}

.filter-unit::before {
  top: 38%;
}

.filter-unit::after {
  top: 62%;
}

.material-zone {
  left: 39%;
  right: auto;
  bottom: 4%;
  padding: 0.45rem 0.65rem;
  color: var(--clay);
}

.person-source {
  position: absolute;
  left: 11%;
  bottom: 16%;
  width: 4.6rem;
  height: 10.2rem;
}

.person-head,
.person-body {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.person-head {
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid rgba(247, 243, 232, 0.36);
  border-radius: 999px;
  background: rgba(247, 243, 232, 0.08);
}

.person-body {
  bottom: 0;
  width: 3.4rem;
  height: 6.7rem;
  border: 1px solid rgba(247, 243, 232, 0.3);
  border-bottom: 0;
  background: linear-gradient(180deg, rgba(247, 243, 232, 0.08), transparent);
}

.source-label {
  left: 8%;
  bottom: 6%;
  color: var(--amber);
}

.exposure-zone {
  position: absolute;
  left: 34%;
  top: 32%;
  width: 16rem;
  height: 11.2rem;
}

.exposure-zone span {
  left: 14%;
  top: 17%;
  width: max-content;
  color: var(--cyan);
  transform: none;
}

.aerosol-particle {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size, 0.42rem);
  height: var(--size, 0.42rem);
  border-radius: 999px;
  background: rgba(96, 217, 247, 0.9);
  box-shadow: 0 0 1rem rgba(96, 217, 247, 0.45);
  opacity: 0;
  animation: particleDrift var(--speed, 6s) linear infinite;
  animation-delay: var(--delay, 0s);
}

.p1 {
  --x: 21%;
  --y: 42%;
  --dx: 19rem;
  --dy: -4rem;
  --delay: 0s;
}

.p2 {
  --x: 20%;
  --y: 45%;
  --dx: 25rem;
  --dy: 0.6rem;
  --delay: -1.1s;
  --speed: 7.2s;
}

.p3 {
  --x: 22%;
  --y: 48%;
  --dx: 18rem;
  --dy: 5rem;
  --delay: -2.3s;
  --size: 0.32rem;
}

.p4 {
  --x: 23%;
  --y: 43%;
  --dx: 29rem;
  --dy: -6rem;
  --delay: -3.5s;
  --speed: 8s;
  --size: 0.28rem;
}

.p5 {
  --x: 24%;
  --y: 47%;
  --dx: 31rem;
  --dy: 3rem;
  --delay: -4.2s;
  --speed: 6.8s;
}

.p6 {
  --x: 22%;
  --y: 51%;
  --dx: 24rem;
  --dy: 7rem;
  --delay: -5s;
  --size: 0.36rem;
}

.p7 {
  --x: 35%;
  --y: 42%;
  --dx: 18rem;
  --dy: -7rem;
  --delay: -0.7s;
  --speed: 7.8s;
  --size: 0.26rem;
}

.p8 {
  --x: 40%;
  --y: 50%;
  --dx: 20rem;
  --dy: 4rem;
  --delay: -2.8s;
  --speed: 8.4s;
}

.p9 {
  --x: 47%;
  --y: 37%;
  --dx: 15rem;
  --dy: -8rem;
  --delay: -4.9s;
  --size: 0.3rem;
}

.p10 {
  --x: 50%;
  --y: 53%;
  --dx: 17rem;
  --dy: 5rem;
  --delay: -1.9s;
  --speed: 7.5s;
  --size: 0.34rem;
}

.p11 {
  --x: 57%;
  --y: 43%;
  --dx: 10rem;
  --dy: -7rem;
  --delay: -3.3s;
  --speed: 7s;
  --size: 0.25rem;
}

.p12 {
  --x: 61%;
  --y: 57%;
  --dx: 8rem;
  --dy: 2.5rem;
  --delay: -5.7s;
  --speed: 6.4s;
}

.aerosol-diagram figcaption {
  margin: 0;
  padding-top: 0.9rem;
  color: var(--muted);
  font-size: 0.92rem;
}

@keyframes flowPulse {
  from {
    stroke-dashoffset: 0;
  }

  to {
    stroke-dashoffset: -58;
  }
}

@keyframes particleDrift {
  0% {
    opacity: 0;
    transform: translate(0, 0) scale(0.6);
  }

  12% {
    opacity: 0.9;
  }

  72% {
    opacity: 0.48;
  }

  100% {
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) scale(1.18);
  }
}

.risk-model {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.47fr) minmax(28rem, 0.53fr);
  gap: clamp(1.25rem, 2.4vw, 2rem);
  width: var(--content-wide);
  max-width: none;
  margin: 0 auto;
  align-items: stretch;
}

.risk-model-copy {
  grid-column: 1 / -1;
  display: grid;
  max-width: 70rem;
  gap: 1rem;
  margin-bottom: clamp(0.25rem, 1vw, 0.75rem);
}

.risk-model-copy h2 {
  max-width: 68rem;
  margin-bottom: 0;
}

.risk-model-copy > p:not(.eyebrow) {
  max-width: 64rem;
  margin-bottom: 0;
}

.risk-layer-dock {
  position: relative;
  grid-column: 2;
  grid-row: 2;
  min-height: clamp(19rem, 28vw, 25rem);
  border: 1px solid rgba(247, 243, 232, 0.16);
  border-radius: 8px;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 52%, rgba(96, 217, 247, 0.08), transparent 24rem),
    linear-gradient(180deg, rgba(12, 15, 15, 0.28), rgba(5, 7, 7, 0.18));
  overflow: hidden;
}

.risk-layer-dock::after {
  content: none;
}

.model-page-model {
  --layer-detail: 1;
}

.model-page-model .risk-layer-dock {
  pointer-events: auto;
}

.model-page-floorplate {
  position: absolute;
  inset: clamp(0.5rem, 1.4vw, 1rem);
}

.model-page-flow {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(1rem, 2.5vw, 2rem);
  width: var(--content-wide);
  margin: 0 auto;
}

.model-page-flow .room-loop-panel {
  min-height: 100%;
}

.model-step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(247, 243, 232, 0.14);
  border-radius: 8px;
  background: rgba(247, 243, 232, 0.14);
}

.model-step-grid article {
  min-height: 9.5rem;
  padding: 1rem;
  background:
    linear-gradient(180deg, rgba(247, 243, 232, 0.04), rgba(247, 243, 232, 0.01)),
    rgba(5, 7, 7, 0.86);
}

.model-step-grid span {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--mint);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.model-step-grid h4 {
  margin: 0 0 0.45rem;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.15;
}

.model-step-grid p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.42;
}

.model-boundary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: var(--content-wide);
  margin: 0 auto;
  border: 1px solid rgba(247, 243, 232, 0.14);
  background: rgba(247, 243, 232, 0.14);
}

.model-boundary-grid article {
  padding: clamp(1.1rem, 2vw, 1.5rem);
  background: rgba(5, 7, 7, 0.86);
}

.model-boundary-grid span {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--clay);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.assumption-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  width: var(--content-wide);
  margin: 0 auto;
  border: 1px solid rgba(247, 243, 232, 0.14);
  border-radius: 8px;
  background: rgba(247, 243, 232, 0.14);
}

.assumption-grid article {
  min-height: 14rem;
  padding: clamp(1.1rem, 2vw, 1.6rem);
  border-left: 3px solid var(--cyan);
  background:
    linear-gradient(180deg, rgba(247, 243, 232, 0.04), rgba(247, 243, 232, 0.01)),
    rgba(5, 7, 7, 0.9);
}

.assumption-grid article:nth-child(2) {
  border-left-color: var(--amber);
}

.assumption-grid article:nth-child(3) {
  border-left-color: var(--mint);
}

.assumption-grid article:nth-child(4) {
  border-left-color: var(--clay);
}

.assumption-grid span {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.assumption-grid h3 {
  margin: 0 0 0.75rem;
  color: var(--ink);
  font-size: clamp(1.28rem, 2vw, 1.7rem);
  line-height: 1.05;
}

.assumption-grid p {
  margin: 0;
  color: var(--muted);
}

.risk-model-core,
.risk-output,
.risk-input {
  border: 1px solid rgba(247, 243, 232, 0.16);
  background: rgba(12, 15, 15, 0.84);
}

.risk-model-core {
  grid-column: 1;
  grid-row: 2;
  display: grid;
  align-content: center;
  min-height: 0;
  padding: clamp(1.15rem, 2vw, 1.6rem);
  border-color: rgba(96, 217, 247, 0.24);
  background:
    radial-gradient(circle at 18% 18%, rgba(96, 217, 247, 0.16), transparent 10rem),
    linear-gradient(180deg, rgba(12, 15, 15, 0.96), rgba(5, 7, 7, 0.96));
}

.risk-model-core span,
.risk-output span,
.risk-input span {
  display: block;
  margin-bottom: 1rem;
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.risk-model-core strong {
  display: block;
  max-width: min(100%, 34rem);
  color: var(--ink);
  font-size: clamp(1.75rem, 3vw, 3.2rem);
  font-weight: 850;
  line-height: 1.04;
}

.risk-model-core p,
.risk-output p,
.risk-input p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.48;
}

.risk-model-core p {
  max-width: min(100%, 34rem);
  margin-top: 1rem;
}

.risk-input-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(0.75rem, 1.5vw, 1.25rem);
  border: 1px solid rgba(247, 243, 232, 0.14);
}

.risk-input {
  position: relative;
  min-height: 13.25rem;
  padding: 1.05rem 1rem 1.15rem;
  border: 0;
  border-right: 1px solid rgba(247, 243, 232, 0.13);
  transition:
    background 160ms ease,
    box-shadow 160ms ease,
    opacity 160ms ease,
    color 160ms ease;
}

.risk-input:last-child {
  border-right: 0;
}

.risk-input::before {
  content: "";
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  width: 2.25rem;
  height: 0.18rem;
  background: var(--input-color, var(--cyan));
  transition:
    width 160ms ease,
    box-shadow 160ms ease;
}

.risk-input h3 {
  max-width: 19rem;
}

.input-air {
  --input-color: var(--mint);
}

.input-people {
  --input-color: var(--amber);
}

.input-service {
  --input-color: var(--clay);
}

.input-context {
  --input-color: #b7d770;
}

.risk-input-grid.has-active .risk-input {
  opacity: 0.48;
}

.risk-input-grid.has-active .risk-input.is-active,
.risk-input:hover,
.risk-input:focus-visible {
  opacity: 1;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--input-color) 12%, transparent), rgba(12, 15, 15, 0.84));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--input-color) 58%, transparent);
}

.risk-input-grid.has-active .risk-input.is-active::before,
.risk-input:hover::before,
.risk-input:focus-visible::before {
  width: 4rem;
  box-shadow: 0 0 14px color-mix(in srgb, var(--input-color) 42%, transparent);
}

.risk-input:focus-visible {
  outline: 2px solid var(--input-color);
  outline-offset: 3px;
}

.risk-output {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(8rem, 0.18fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  margin-top: -1px;
  padding: 1rem 1.1rem;
  border-color: rgba(96, 217, 247, 0.28);
  background: rgba(96, 217, 247, 0.07);
}

.risk-output span {
  margin-bottom: 0;
  color: var(--cyan);
}

.sources-band {
  background:
    radial-gradient(circle at 12% 18%, rgba(96, 217, 247, 0.06), transparent 24rem),
    var(--bg-soft);
  color: var(--ink);
}

.sources-band .section-heading {
  max-width: 1240px;
}

.source-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem 2rem;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0;
  counter-reset: source;
  list-style: none;
}

.source-list li {
  min-height: 6.25rem;
  padding: 0.85rem 0.9rem 1rem;
  border: 1px solid rgba(247, 243, 232, 0.12);
  background: rgba(5, 7, 7, 0.42);
  counter-increment: source;
}

.source-list li::before {
  content: "[" counter(source) "]";
  display: block;
  margin-bottom: 0.65rem;
  color: var(--cyan);
}

.source-list a {
  color: var(--ink);
  font-weight: 720;
  line-height: 1.35;
}

.source-list a:hover {
  color: var(--cyan);
}

.final-cta {
  text-align: left;
}

.final-cta p {
  max-width: 700px;
  font-size: 1.1rem;
}

.final-cta .primary-action {
  margin-top: 0.75rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 2rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 850;
}

.site-footer span:first-child .brand-ng {
  color: var(--mint);
}

.site-footer a {
  color: var(--cyan);
  font-weight: 780;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

.site-footer a:hover {
  color: var(--mint);
}

@media (max-width: 1180px) {
  .manifesto-hero {
    grid-template-columns: minmax(0, 0.58fr) minmax(0, 0.42fr);
  }

  .field-preview-shell,
  .participation-panel,
  .tool-route-band .section-heading,
  .room-loop-grid,
  .model-page-flow,
  .scenario-shell,
  .sandbox-shell,
  .aerosol-explainer,
  .history-intro,
  .field-guide-intro,
  .field-guide-domain {
    grid-template-columns: 1fr;
  }

  .field-preview-copy h2,
  .field-preview-copy p:not(.eyebrow),
  .tool-route-band .section-heading p:not(.eyebrow),
  .participation-copy h2,
  .participation-copy p:not(.eyebrow) {
    max-width: 760px;
  }

  .risk-model {
    grid-template-columns: 1fr;
  }

  .sandbox-copy {
    position: static;
  }

  .sandbox-panel {
    grid-template-columns: 1fr;
  }

  .model-step-grid,
  .model-boundary-grid,
  .assumption-grid {
    grid-template-columns: 1fr;
  }

  .risk-layer-dock {
    grid-column: 1;
    grid-row: auto;
    min-height: clamp(18rem, 44vw, 28rem);
  }

  .risk-model-core {
    grid-row: auto;
    min-height: 0;
  }

  .risk-input-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .risk-input:nth-child(2n) {
    border-right: 0;
  }

  .aerosol-copy {
    max-width: 760px;
  }

  .room-loop-heading {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .room-loop-heading,
  .room-loop-heading h2,
  .room-loop-heading p:not(.eyebrow),
  .room-loop-copy h3 {
    max-width: 760px;
  }

  .room-loop-copy {
    min-height: 0;
  }

  .room-loop-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .room-loop-panel {
    display: grid;
    gap: 0.9rem;
  }

  .room-context-panel {
    padding-bottom: 1.1rem;
    border-bottom: 1px solid rgba(247, 243, 232, 0.14);
  }

  .room-action-panel {
    padding-top: 0.2rem;
  }

  .room-context-panel .room-loop-copy,
  .room-action-panel .room-loop-copy,
  .room-context-panel .aerosol-diagram,
  .room-action-panel .loop-teaser,
  .room-context-panel .room-loop-notes,
  .room-action-panel .room-loop-notes {
    grid-column: 1;
    grid-row: auto;
  }

  .room-loop-connector {
    display: none;
  }

  .room-loop-context-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .room-loop-context-strip li:nth-child(2n) {
    border-right: 0;
  }

  .room-loop-context-strip li:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(247, 243, 232, 0.12);
  }

  .field-map {
    grid-template-columns: 1fr;
  }

  .field-map-ledger {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
  }

  .field-map-ledger article {
    min-height: 0;
    padding-right: 1rem;
    border-right: 1px solid var(--rule);
  }

  .compact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compact-list article:nth-child(4n) {
    border-right: 0;
  }

  .compact-list article:nth-child(2n) {
    border-right: 1px solid var(--rule);
  }

  .source-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .history-lens-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .history-track-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .field-guide-track-grid,
  .field-guide-principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .history-era {
    grid-template-columns: 1fr;
  }

  .history-era-heading,
  .field-guide-domain-heading {
    position: static;
  }

  .history-era-heading p:not(.eyebrow),
  .field-guide-domain-heading p:not(.eyebrow) {
    max-width: 760px;
  }

  .source-list li:nth-child(3n) {
    border-right: 1px solid var(--rule);
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 1rem;
  }

  .brand {
    flex-wrap: wrap;
  }

  .top-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.55rem 0.9rem;
    overflow-x: visible;
    padding-bottom: 0;
    white-space: normal;
  }

  .header-cta {
    justify-self: start;
  }

  .section-band {
    padding: 3.5rem 1rem;
  }

  .room-loop-section {
    width: var(--content-copy);
  }

  .room-loop-heading h2 {
    font-size: clamp(1.9rem, 8vw, 2.1rem);
  }

  .room-loop-heading p:not(.eyebrow),
  .room-loop-copy p {
    font-size: 1rem;
  }

  .room-loop-panel {
    gap: 0.9rem;
    padding: 0.8rem;
  }

  .room-loop-context-strip {
    grid-template-columns: 1fr;
  }

  .tool-route-grid {
    grid-template-columns: 1fr;
  }

  .tool-route-grid article {
    min-height: 0;
  }

  .room-loop-context-strip li,
  .room-loop-context-strip li:nth-child(2n) {
    border-right: 0;
  }

  .room-loop-context-strip li,
  .room-loop-context-strip li:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(247, 243, 232, 0.12);
  }

  .room-loop-context-strip li:last-child {
    border-bottom: 0;
  }

  .room-loop-section .loop-teaser {
    display: block;
    min-height: 0;
    height: auto;
    aspect-ratio: auto;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .room-loop-bridge {
    grid-template-columns: 1fr;
  }

  .scenario-copy {
    position: static;
  }

  .manifesto-hero {
    display: block;
    min-height: auto;
    padding-top: 4.75rem;
    padding-bottom: 5rem;
  }

  .manifesto-hero .hero-copy {
    width: var(--content-copy);
  }

  .layer-scroll-story {
    overflow: visible;
  }

  .layer-scroll-visual {
    display: none;
  }

  .risk-layer-dock {
    display: none;
  }

  h1 {
    font-size: clamp(2.75rem, 10vw, 3.2rem);
  }

  h2 {
    font-size: clamp(1.9rem, 8vw, 2rem);
  }

  .hero-lede {
    font-size: 1.12rem;
  }

  .manifesto-article p {
    font-size: 1.04rem;
  }

  .section-standfirst {
    font-size: 1.12rem;
  }

  .key-takeaway {
    font-size: 0.98rem;
  }

  .pull-quote {
    font-size: 1.32rem;
  }

  .loop-teaser {
    border: 0;
    border-radius: 0;
    overflow: visible;
    background: transparent;
  }

  .loop-teaser svg {
    display: none;
  }

  .loop-mobile-list {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    counter-reset: loop-mobile-step;
    list-style: none;
  }

  .loop-mobile-list li {
    min-height: 3.25rem;
    border-left: 1px solid rgba(96, 217, 247, 0.48);
    padding: 0.1rem 0 1rem 1.25rem;
  }

  .loop-mobile-list li::before {
    display: inline-flex;
    width: 1.65rem;
    height: 1.65rem;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: -0.85rem;
    top: 0;
    border: 1px solid var(--cyan);
    border-radius: 999px;
    background: var(--bg);
  }

  .loop-mobile-list li:last-child {
    min-height: 0;
    padding-bottom: 0;
  }

  .loop-detail-grid {
    grid-template-columns: 1fr;
  }

  .loop-detail-grid article {
    min-height: 0;
  }

  .field-preview-grid,
  .scenario-grid,
  .participation-actions,
  .source-list,
  .history-quick-grid,
  .history-track-grid,
  .history-lens-grid,
  .field-guide-quick-grid,
  .field-guide-track-grid,
  .field-guide-principles,
  .history-source-list,
  .history-source-group .history-source-list,
  .dossier-lenses,
  .dossier-list,
  .compact-list {
    grid-template-columns: 1fr;
  }

  .scenario-grid article,
  .scenario-grid article:nth-child(2n) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(247, 243, 232, 0.12);
  }

  .scenario-grid article:last-child {
    border-bottom: 0;
  }

  .sandbox-panel {
    border-radius: 0;
  }

  .sandbox-controls label {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .sandbox-score {
    grid-template-columns: 1fr;
  }

  .sandbox-score-band {
    grid-template-columns: 1fr;
  }

  .sandbox-score strong {
    grid-row: auto;
  }

  .sandbox-layer-bars article {
    grid-template-columns: 4.5rem minmax(0, 1fr) 1.7rem;
    gap: 0.5rem;
  }

  .risk-model {
    gap: 1rem;
  }

  .risk-input-grid {
    grid-template-columns: 1fr;
  }

  .risk-input {
    border-right: 0;
    border-bottom: 1px solid rgba(247, 243, 232, 0.13);
  }

  .risk-input:last-child {
    border-bottom: 0;
  }

  .risk-model-core {
    min-height: 0;
  }

  .risk-model-core strong {
    font-size: 1.6rem;
  }

  .risk-output {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }

  .dossier-hero {
    padding-top: 5.5rem;
  }

  .history-hero {
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
  }

  .history-hero h1 {
    font-size: clamp(2.35rem, 9vw, 2.75rem);
  }

  .history-hero .hero-lede {
    font-size: 1.02rem;
  }

  .history-hero .hero-note {
    font-size: 0.98rem;
  }

  .dossier-lenses article,
  .dossier-item {
    min-height: 0;
    border-right: 1px solid var(--rule);
  }

  .dossier-lenses span,
  .dossier-item span {
    margin-bottom: 1rem;
  }

  .dossier-source-list {
    list-style-position: outside;
    padding-left: 1.35rem;
  }

  .spacebot-proof {
    display: grid;
    gap: 0.7rem;
  }

  .spacebot-proof img {
    width: 9.5rem;
  }

  .field-map {
    gap: 1.1rem;
  }

  .field-map-canvas {
    display: grid;
    gap: 1rem;
    min-height: 0;
    overflow: visible;
    padding: 0 0 0 1.35rem;
    border: 0;
    border-left: 1px solid rgba(247, 243, 232, 0.18);
    background: transparent;
  }

  .field-map-canvas::before,
  .map-ring,
  .map-axis {
    display: none;
  }

  .field-core,
  .field-node {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    width: auto;
    min-height: 0;
    transform: none;
  }

  .field-core {
    padding: 1rem;
  }

  .field-node {
    padding: 0 0 1.5rem 1.15rem;
    border: 0;
    background: transparent;
  }

  .field-node::before {
    content: "";
    position: absolute;
    left: -1.74rem;
    top: 0.16rem;
    width: 0.7rem;
    height: 0.7rem;
    border: 2px solid var(--cyan);
    border-radius: 999px;
    background: var(--bg);
    box-shadow: 0 0 0 0.34rem var(--bg);
  }

  .field-core strong {
    font-size: 1.35rem;
  }

  .field-map-ledger {
    grid-template-columns: 1fr;
  }

  .field-map-ledger article {
    min-height: 0;
    padding: 1rem 0;
    border-right: 0;
  }

  .aerosol-explainer {
    gap: 2rem;
  }

  .aerosol-copy p {
    font-size: 1.04rem;
  }

  .operating-stack li {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }

  .room-shell {
    min-height: 28rem;
  }

  .room-loop-section .room-shell {
    min-height: 25rem;
    aspect-ratio: auto;
  }

  .supply-vent,
  .return-vent,
  .filter-unit,
  .material-zone,
  .source-label,
  .exposure-zone span {
    font-size: clamp(0.5rem, 2.5cqi, 0.72rem);
  }

  .supply-vent {
    left: 6%;
  }

  .return-vent {
    right: 5%;
  }

  .filter-unit {
    right: 5%;
    bottom: 14%;
    width: clamp(3.2rem, 18cqi, 5.9rem);
    height: clamp(3.2rem, 18cqi, 5.9rem);
  }

  .material-zone {
    left: 32%;
    right: auto;
    bottom: 3%;
  }

  .person-source {
    left: 8%;
    width: clamp(2.5rem, 14cqi, 4.6rem);
    height: clamp(5.4rem, 31cqi, 10.2rem);
  }

  .person-head {
    width: clamp(1.3rem, 7cqi, 2.25rem);
    height: clamp(1.3rem, 7cqi, 2.25rem);
  }

  .person-body {
    width: clamp(1.9rem, 10.5cqi, 3.4rem);
    height: clamp(3.4rem, 20cqi, 6.7rem);
  }

  .source-label {
    left: 6%;
    bottom: 15%;
  }

  .exposure-zone {
    left: 32%;
    top: 34%;
    width: clamp(8.5rem, 52cqi, 16rem);
    height: clamp(5.4rem, 36cqi, 11.2rem);
  }

  .exposure-zone span {
    left: 12%;
    top: 16%;
    transform: none;
  }

  .field-preview-band {
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
  }

  .field-preview-shell {
    gap: 1.35rem;
  }

  .field-preview-card,
  .participation-actions article {
    min-height: 0;
  }

  .history-entry {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .history-quick-grid article {
    min-height: 0;
  }

  .history-track-grid a {
    min-height: 0;
    gap: 0.65rem;
  }

  .field-guide-track-grid a,
  .field-guide-principles article {
    min-height: 0;
  }

  .history-reference {
    gap: 3rem;
  }

  .field-guide-reference {
    gap: 3rem;
  }

  .history-era + .history-era {
    padding-top: 2.25rem;
  }

  .field-guide-domain + .field-guide-domain {
    padding-top: 2.25rem;
  }

  .history-era-heading h2 {
    font-size: clamp(1.9rem, 8vw, 2.2rem);
  }

  .field-guide-domain-heading h2 {
    font-size: clamp(1.9rem, 8vw, 2.2rem);
  }

  .history-milestone {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1rem;
  }

  .field-guide-resource {
    grid-template-columns: 1fr;
    gap: 0.45rem;
    padding: 1rem 0;
  }

  .history-lens-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
  }

  .history-lens-grid article {
    min-height: 0;
    padding: 0.75rem;
  }

  .history-lens-grid p {
    font-size: 0.84rem;
    line-height: 1.4;
  }

  .history-date {
    position: static;
    padding-top: 0;
  }

  .history-entry-copy p:not(.eyebrow) {
    font-size: 1rem;
  }

  .participation-panel {
    gap: 1.1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
  }

  .source-list {
    gap: 1.1rem;
  }

  .site-footer {
    padding: 1.25rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .layer-scroll-story {
    --layer-progress: 1;
    --layer-detail: 1;
    --layer-visual-opacity: 1;
    --layer-model-opacity: 1;
  }

  .layer-scroll-visual-inner {
    position: absolute;
  }

  .flow-path,
  .aerosol-particle {
    animation: none;
  }

  .aerosol-particle {
    opacity: 0.62;
  }
}