/* Landing visual system. All palette and typography aliases derive from the pinned public tokens. */
body.landing-page {
  --landing-canvas: oklch(from var(--ac-color-brand-navy) calc(l * 0.66) calc(c * 0.55) calc(h - 25));
  --landing-accent: var(--ac-color-brand-teal);
  --landing-highlight: oklch(from var(--landing-accent) calc(l * 1.5) calc(c * 1.55) h);
  --landing-glow: color-mix(in srgb, var(--landing-highlight) 55%, transparent);
  --landing-panel: color-mix(in srgb, var(--ac-color-brand-navy) 25%, var(--landing-canvas));
  --landing-muted: color-mix(in srgb, var(--ac-color-text-inverse) 77%, var(--landing-canvas));
  --landing-border: color-mix(in srgb, var(--landing-highlight) 20%, var(--landing-canvas));
  --landing-border-strong: color-mix(in srgb, var(--landing-highlight) 42%, var(--landing-canvas));
  --landing-intro-space: var(--page-intro-space);
  --ac-page-gutter: clamp(1.25rem, 5.7vw, 5rem);
  min-width: 0;
  background: radial-gradient(ellipse at 70% 12%, color-mix(in srgb, var(--landing-accent) 7%, transparent), transparent 38%), var(--landing-canvas);
  color: var(--ac-color-text-inverse);
  font-size: 1rem;
  line-height: 1.65;
}

.landing-page :is(h1, h2, h3) { font-weight: var(--ac-font-weight-regular); }
.landing-page h2 { max-width: none; font-size: clamp(2.2rem, 3.65vw, 3.65rem); line-height: 1.06; letter-spacing: -0.035em; }
.landing-page :is(section[id], main) { scroll-margin-top: 6rem; }
.landing-page :focus-visible { outline-color: var(--ac-color-focus-inverse); }
.landing-page .ac-skip-link { background: var(--ac-color-text-inverse); color: var(--landing-canvas); }
.landing-page .ac-container > div { min-width: 0; }
.landing-page p { color: var(--landing-muted); }
.landing-page .landing-eyebrow { margin-bottom: 1.1rem; color: var(--landing-highlight); font-size: 0.7rem; letter-spacing: 0.28em; }
.landing-name { white-space: nowrap; }
.landing-name__alpha { color: var(--ac-color-text-inverse); }
.landing-name__capture { color: var(--landing-highlight); }
.landing-eyebrow::before { display: none; }
.landing-rule { display: block; width: 2rem; height: 1px; margin-block: 1.65rem; background: var(--landing-highlight); box-shadow: 0 0 8px var(--landing-glow); }
.landing-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.4rem; margin-top: 1.8rem; }
.landing-button.ac-button {
  min-height: 3.35rem;
  gap: 1.15rem;
  border: 1px solid var(--landing-highlight);
  border-radius: var(--ac-radius-control);
  padding: 0.8rem 1.55rem;
  background: var(--landing-highlight);
  color: var(--landing-canvas);
  font-size: 0.85rem;
  font-weight: var(--ac-font-weight-semibold);
  box-shadow: 0 0 24px color-mix(in srgb, var(--landing-highlight) 17%, transparent);
}
.landing-button.ac-button:hover { background: var(--ac-color-text-inverse); border-color: var(--ac-color-text-inverse); color: var(--landing-canvas); }
.landing-button--outline.ac-button { background: transparent; color: var(--ac-color-text-inverse); box-shadow: none; }
.landing-button--outline.ac-button:hover { background: var(--landing-highlight); border-color: var(--landing-highlight); color: var(--landing-canvas); }
.landing-button span { font-size: 1.35rem; line-height: 1; }
.landing-text-link.ac-text-link { color: var(--landing-highlight); font-size: 0.9rem; font-weight: var(--ac-font-weight-medium); text-decoration-thickness: 1px; }
.landing-text-link.ac-text-link:hover { color: var(--ac-color-text-inverse); text-decoration-color: currentColor; }

.landing-header.ac-site-header {
  position: relative;
  min-height: 6.25rem;
  gap: 1.5rem;
  border-bottom: 0;
  background: transparent;
}
.landing-header.ac-site-header .ac-brand-lockup { display: block; width: 13.75rem; height: auto; }
.landing-header.ac-site-header .ac-brand-mark { display: none; }
.landing-header .ac-desktop-navigation { gap: clamp(1.1rem, 2.4vw, 2.25rem); margin-inline: auto; }
.landing-header .ac-desktop-navigation > a:not(.ac-button) { padding-block: 0.65rem; font-size: 0.8rem; text-decoration: none; border-bottom: 1px solid transparent; }
.landing-header .ac-desktop-navigation > a:hover { border-bottom-color: var(--landing-accent); }
.landing-header .ac-desktop-navigation > a[aria-current] { color: var(--ac-color-text-inverse); border-bottom-color: var(--landing-accent); }
.landing-header__join.ac-button { min-height: 2.75rem; padding-inline: 1.45rem; font-size: 0.8rem; }
.landing-header .ac-mobile-navigation nav { background: var(--landing-canvas); border-color: var(--landing-border-strong); color: var(--ac-color-text-inverse); }
.landing-header .ac-mobile-navigation summary span, .landing-header .ac-mobile-navigation summary::before, .landing-header .ac-mobile-navigation summary::after { background: var(--ac-color-text-inverse); }
.landing-header .ac-mobile-navigation nav a:not(.ac-button) { border-bottom-color: var(--landing-border); }
.landing-anchor { display: block; scroll-margin-top: 2rem; }

.landing-narrative { position: relative; isolation: isolate; }
.landing-narrative__thread { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; fill: none; stroke: color-mix(in srgb, var(--landing-highlight) 13%, transparent); stroke-width: 1; mask-image: linear-gradient(transparent 15%, black 35%, black 80%, transparent); pointer-events: none; }
.landing-narrative__thread path { vector-effect: non-scaling-stroke; }
.landing-hero { padding-block: var(--landing-intro-space) 6.5rem; background: radial-gradient(ellipse at 77% 45%, color-mix(in srgb, var(--landing-accent) 13%, transparent), transparent 52%); }
.landing-hero__grid { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); align-items: center; gap: clamp(2rem, 5.3vw, 5rem); }
.landing-hero__copy { padding-bottom: 1.6rem; }
.landing-hero h1 { max-width: none; font-size: clamp(3rem, 6.5vw, 6.4rem); line-height: 0.98; letter-spacing: -0.035em; }
.landing-hero h1 span { color: var(--landing-highlight); }
.landing-hero__copy > p:not(.landing-eyebrow) { max-width: 44ch; margin-bottom: 0; font-size: 1rem; line-height: 1.65; }
.landing-hero .landing-actions { gap: 1.4rem; margin-top: 2.3rem; }
.landing-hero .landing-rule { margin-block: 1.3rem; }
.landing-hero .landing-button { padding-inline: 1.5rem; }
.landing-hero .landing-text-link { display: inline-flex; align-items: center; gap: 0.7rem; min-height: 2.75rem; font-size: 0.85rem; }
.landing-bridge { padding-block: 1.5rem 4rem; }
.landing-bridge::before { display: block; width: 1px; height: 2.5rem; margin: 0 auto 1.65rem; background: linear-gradient(transparent, var(--landing-highlight)); box-shadow: 0 0 8px var(--landing-glow); content: ""; }
.landing-bridge p { max-width: 34ch; margin: 0 auto; color: var(--landing-muted); font-family: var(--ac-font-editorial); font-size: clamp(1.8rem, 2.8vw, 2.8rem); line-height: 1.3; letter-spacing: -0.025em; text-align: center; text-wrap: balance; }
.landing-bridge p span { display: inline-block; max-width: 100%; color: var(--landing-highlight); text-wrap: balance; }
.landing-bridge--directory { padding-block: 1rem 4rem; }

.landing-icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.landing-icon { display: block; width: 1.5rem; height: 1.5rem; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.landing-diagram-label { color: var(--landing-highlight); font-size: 0.65rem; font-weight: var(--ac-font-weight-semibold); line-height: 1.45; letter-spacing: 0.22em; text-transform: uppercase; }
.diagram-wire { fill: none; stroke: var(--landing-highlight); stroke-width: 0.8; filter: drop-shadow(0 0 3px var(--landing-glow)); }
.diagram-wire--quiet { stroke: var(--landing-border); }
.diagram-node { fill: var(--landing-highlight); filter: drop-shadow(0 0 4px var(--landing-glow)); }
.language-diagram {
  --language-signal: color-mix(in srgb, var(--landing-highlight) 82%, var(--ac-color-text-inverse));
  --language-halo: color-mix(in srgb, var(--language-signal) 36%, transparent);
  position: relative;
  isolation: isolate;
  width: 100%;
  aspect-ratio: 540 / 510;
  margin: 0;
}
.language-diagram::before {
  position: absolute;
  z-index: -1;
  inset: 18% 0 -3rem;
  background: radial-gradient(ellipse 42% 38% at 34% 46%, color-mix(in srgb, var(--landing-accent) 19%, transparent), transparent 100%), radial-gradient(ellipse 48% 36% at 72% 72%, color-mix(in srgb, var(--landing-accent) 17%, transparent), transparent 100%);
  mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, black 45%, transparent 100%);
  content: "";
  pointer-events: none;
}
.language-diagram .diagram-wire { stroke: var(--language-signal); stroke-width: 1; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 2px var(--language-halo)) drop-shadow(0 0 7px color-mix(in srgb, var(--landing-accent) 45%, transparent)); }
.language-diagram .diagram-wire path { vector-effect: non-scaling-stroke; stroke-linecap: round; stroke-linejoin: round; }
.language-diagram .diagram-wire--quiet { stroke: color-mix(in srgb, var(--landing-highlight) 30%, transparent); stroke-width: 0.65; filter: none; }
.language-diagram .diagram-node { fill: var(--language-signal); filter: drop-shadow(0 0 2px var(--language-signal)) drop-shadow(0 0 8px var(--language-halo)); }
.language-diagram .landing-diagram-label { color: var(--language-signal); }
.language-diagram > figcaption { position: absolute; inset: 0 auto auto 1.4%; }
.language-diagram__wires { position: absolute; top: 4%; left: 0; width: 100%; height: 90%; }
.language-diagram__mobile-flow { display: none; }
.language-diagram__research {
  position: absolute;
  z-index: 1;
  top: 8%;
  left: 0;
  width: 64%;
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--language-signal) 24%, var(--landing-canvas));
  border-radius: calc(var(--ac-radius-control) * 3);
  padding: 0.7rem 0.8rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--landing-accent) 12%, var(--landing-panel)), var(--landing-canvas));
  box-shadow: 0 12px 32px color-mix(in srgb, var(--landing-canvas) 45%, transparent), inset 0 1px 0 color-mix(in srgb, var(--language-signal) 7%, transparent);
  font-family: var(--ac-font-editorial);
  font-size: clamp(0.82rem, 1.17vw, 1.05rem);
  line-height: 1.62;
}
.language-diagram__research p { margin: 0; color: color-mix(in srgb, var(--ac-color-text-inverse) 88%, var(--landing-canvas)); }
.language-diagram__research mark { border: 1px solid color-mix(in srgb, var(--language-signal) 44%, var(--landing-canvas)); border-radius: var(--ac-radius-control); margin-inline: 0.12em; padding: 0.08em 0.26em; background: color-mix(in srgb, var(--language-signal) 12%, transparent); color: var(--ac-color-text-inverse); box-shadow: 0 0 7px color-mix(in srgb, var(--language-signal) 8%, transparent); box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.language-diagram__stages { position: absolute; top: 8%; left: 80%; display: grid; width: 20%; height: 47%; margin: 0; padding: 0; list-style: none; }
.language-diagram__stages li { font-size: 0.65rem; line-height: 1.75; letter-spacing: 0.2em; text-transform: uppercase; }
.language-diagram__from { position: absolute; top: 78%; left: 9%; }
.language-diagram__to { position: absolute; top: 78%; right: 1%; }
.language-diagram__object { position: absolute; top: 82%; right: 0; display: flex; width: 66%; height: 14%; align-items: center; gap: 1.4rem; border: 1px solid color-mix(in srgb, var(--language-signal) 44%, var(--landing-canvas)); border-radius: calc(var(--ac-radius-control) * 2.5); padding: 0.7rem 1rem; background: radial-gradient(ellipse at 12% 50%, color-mix(in srgb, var(--landing-accent) 14%, transparent), transparent 70%), var(--landing-panel); box-shadow: 0 0 24px color-mix(in srgb, var(--language-signal) 9%, transparent), 0 8px 32px color-mix(in srgb, var(--landing-accent) 16%, transparent), inset 0 0 18px color-mix(in srgb, var(--landing-accent) 8%, transparent); }
.language-diagram__object-symbol { display: grid; justify-items: center; gap: 0.25rem; color: var(--language-signal); }
.language-diagram__object-symbol .landing-icon { width: 2rem; height: 2rem; border: 1px solid color-mix(in srgb, var(--language-signal) 78%, var(--landing-canvas)); border-radius: 50%; padding: 0.35rem; filter: drop-shadow(0 0 4px var(--language-halo)); }
.language-diagram__object-symbol span { font-size: 0.35rem; letter-spacing: 0.12em; text-transform: uppercase; white-space: nowrap; }
.language-diagram__object-lines { display: grid; width: 72%; gap: 0.45rem; }
.language-diagram__object-lines i { width: 85%; height: 1px; background: color-mix(in srgb, var(--language-signal) 52%, var(--landing-canvas)); }
.language-diagram__object-lines i:nth-child(2n) { background: color-mix(in srgb, var(--language-signal) 34%, var(--landing-canvas)); }
.language-diagram__object-lines i:nth-child(3) { width: 100%; background: color-mix(in srgb, var(--language-signal) 66%, var(--landing-canvas)); }
.language-diagram__object-lines i:nth-child(4) { width: 95%; }
.language-diagram .language-diagram__note { position: absolute; top: 99%; right: 0; margin: 0; font-size: 0.65rem; }

.landing-section { position: relative; border-top: 0; padding-block: 5rem; }
.landing-header::after, .landing-footer::before { position: absolute; inset: 0 0 auto; height: 1px; background: linear-gradient(90deg, transparent, var(--landing-border) 20%, var(--landing-border-strong) 50%, var(--landing-border) 80%, transparent); content: ""; pointer-events: none; }
.landing-header::after { inset: auto 0 0; }
.landing-section h2 + p { max-width: 49ch; margin-top: 1.1rem; font-size: 0.96rem; }
.landing-problem__grid { display: grid; grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr); align-items: center; gap: clamp(2rem, 3vw, 3rem); }
.landing-problem { isolation: isolate; padding-top: 3rem; padding-bottom: 6rem; }
.landing-problem::before { position: absolute; z-index: -1; inset: -4rem 0; background: radial-gradient(ellipse 45% 35% at 69% 38%, color-mix(in srgb, var(--landing-accent) 11%, transparent), transparent); mask-image: linear-gradient(transparent, black 18%, black 75%, transparent); content: ""; pointer-events: none; }
.landing-problem__copy { padding-bottom: 3rem; }
.landing-problem .landing-problem__conclusion { position: relative; margin: 4.5rem auto 0; padding-block: 2rem 0; color: var(--ac-color-text-inverse); font-family: var(--ac-font-editorial); font-size: clamp(2.7rem, 4.5vw, 4.6rem); line-height: 1.12; letter-spacing: -0.035em; text-align: center; }
.landing-problem__conclusion span { color: var(--landing-highlight); }
.landing-problem__conclusion::before { position: absolute; top: -1.4rem; left: 50%; width: 1px; height: 2.3rem; background: linear-gradient(transparent, var(--landing-highlight)); content: ""; }
.source-diagram { position: relative; width: 100%; aspect-ratio: 720 / 460; margin: 0; }
.source-diagram::before { position: absolute; inset: -12% -10%; background: radial-gradient(ellipse 40% 48% at 72% 50%, color-mix(in srgb, var(--landing-accent) 14%, transparent), transparent 80%); mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, black 45%, transparent); content: ""; pointer-events: none; }
.source-diagram__wires { position: absolute; inset: 0; width: 100%; height: 100%; }
.source-diagram .diagram-wire { stroke-width: 1; }
.source-diagram .diagram-wire path, .source-diagram path.diagram-wire { vector-effect: non-scaling-stroke; }
.source-diagram .diagram-wire--quiet { stroke: color-mix(in srgb, var(--landing-highlight) 26%, transparent); filter: none; }
.source-diagram__inputs { position: absolute; z-index: 1; inset: 0; margin: 0; padding: 0; list-style: none; }
.source-diagram__inputs li { position: absolute; display: flex; width: 23%; min-height: 10.4%; align-items: center; gap: 0.65rem; border: 1px solid color-mix(in srgb, var(--landing-highlight) 25%, var(--landing-canvas)); border-radius: calc(var(--ac-radius-control) * 2.5); padding: 0.6rem; background: linear-gradient(135deg, color-mix(in srgb, var(--landing-accent) 12%, var(--landing-panel)), var(--landing-canvas)); box-shadow: 0 8px 24px color-mix(in srgb, var(--landing-canvas) 45%, transparent), inset 0 1px 0 color-mix(in srgb, var(--landing-highlight) 7%, transparent); font-size: clamp(0.6rem, 0.9vw, 0.84rem); line-height: 1.35; }
.source-diagram__inputs li:nth-child(1) { left: 16.67%; top: 2.6%; }
.source-diagram__inputs li:nth-child(2) { left: 34.7%; top: 17.8%; }
.source-diagram__inputs li:nth-child(3) { left: 2.1%; top: 29.35%; border-color: color-mix(in srgb, var(--landing-highlight) 34%, var(--landing-canvas)); }
.source-diagram__inputs li:nth-child(4) { left: 8.3%; top: 55.4%; border-color: color-mix(in srgb, var(--landing-highlight) 34%, var(--landing-canvas)); }
.source-diagram__inputs li:nth-child(5) { left: 25%; top: 76.1%; }
.source-diagram__inputs li:nth-child(6) { left: 51.4%; top: 6.1%; }
.source-diagram__inputs li:nth-child(7) { left: 41.7%; top: 52.2%; }
.source-diagram__inputs li:nth-child(8) { left: 54.2%; top: 72.8%; }
.source-diagram__inputs .landing-icon { width: 1.15rem; height: 1.15rem; }
.source-diagram__sheet rect { fill: var(--landing-panel); stroke: var(--landing-border-strong); stroke-width: 0.8; }
.source-diagram__text-line { fill: none; stroke: var(--landing-border-strong); stroke-width: 0.7; }
.source-diagram figcaption { position: absolute; top: 90%; right: 3%; width: 60%; color: var(--landing-muted); font-size: 0.58rem; line-height: 1.8; letter-spacing: 0.19em; text-transform: uppercase; text-align: right; }

.landing-standard { padding-block: clamp(5rem, 8vw, 8rem) 2.5rem; background: radial-gradient(ellipse 48% 36% at 50% 52%, color-mix(in srgb, var(--landing-accent) 13%, transparent), transparent); }
.landing-standard__grid { display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; gap: clamp(3rem, 5vw, 5.5rem); }
.landing-standard__copy { text-align: center; }
.landing-standard h2 { max-width: 24ch; margin-inline: auto; font-size: clamp(2.7rem, 4.3vw, 4.6rem); text-wrap: balance; }
.landing-standard__copy > p:last-child { max-width: 63ch; margin-inline: auto; }
.object-example { width: 100%; max-width: 87rem; margin: 0; }
.object-example > figcaption { margin-bottom: 2.3rem; text-align: center; }
.object-example__grid { display: grid; grid-template-columns: minmax(0, .94fr) 3.25rem minmax(0, 1.2fr) 3.25rem minmax(0, .94fr); align-items: start; gap: clamp(.75rem, 1.6vw, 1.5rem); }
.object-example__stage { display: flex; align-items: baseline; gap: .7rem; margin-bottom: 1.35rem; color: var(--landing-highlight) !important; font-size: .65rem; font-weight: var(--ac-font-weight-semibold); letter-spacing: .18em; text-transform: uppercase; }
.object-example__stage span { font-family: var(--ac-font-editorial); font-size: 1.2rem; font-weight: var(--ac-font-weight-regular); letter-spacing: 0; }
.object-example__language { margin: 0; border-left: 1px solid var(--landing-border-strong); padding: 1.1rem 0 1.1rem 1.4rem; text-align: left; }
.object-example__language > span, .object-example__record-label { display: block; margin-bottom: 1.3rem; color: var(--landing-muted); font-size: .65rem; font-weight: var(--ac-font-weight-semibold); letter-spacing: .18em; text-transform: uppercase; }
.object-example__language p { margin: 0; color: var(--ac-color-text-inverse); font-family: var(--ac-font-editorial); font-size: clamp(1.25rem, 1.8vw, 1.65rem); line-height: 1.42; }
.object-example__language mark { border-bottom: 1px solid var(--landing-highlight); background: color-mix(in srgb, var(--landing-highlight) 10%, transparent); color: inherit; }
.object-example__source-note { margin: 1.2rem 0 0 1.4rem; font-size: .8rem; }
.object-example__investor-note { margin: 1.2rem 0 0; font-size: .8rem; line-height: 1.55; text-align: left; }
.object-example__connector { width: 100%; height: 15rem; margin-top: 8rem; overflow: visible; fill: none; stroke: color-mix(in srgb, var(--landing-highlight) 28%, transparent); stroke-width: 1; filter: drop-shadow(0 0 5px var(--landing-glow)); }
.object-example__connector .object-example__signal { stroke: var(--landing-highlight); stroke-width: 1.5; }
.object-example__connector path { vector-effect: non-scaling-stroke; }
.object-example__record { border: 1px solid color-mix(in srgb, var(--landing-highlight) 34%, var(--landing-canvas)); border-radius: calc(var(--ac-radius-control) * 3); padding: clamp(1.3rem, 2vw, 2rem); background: linear-gradient(135deg, color-mix(in srgb, var(--landing-accent) 12%, var(--landing-panel)), var(--landing-canvas)); box-shadow: 0 14px 36px color-mix(in srgb, var(--landing-canvas) 45%, transparent), 0 0 50px color-mix(in srgb, var(--landing-accent) 10%, transparent), inset 0 1px 0 color-mix(in srgb, var(--landing-highlight) 7%, transparent); text-align: left; }
.object-example__record-label { display: flex; align-items: center; gap: .6rem; margin-bottom: 1.1rem; color: var(--landing-highlight); }
.object-example__record-label .landing-icon { width: 1.4rem; height: 1.4rem; }
.object-example__record h3 { margin-bottom: .1rem; color: var(--ac-color-text-inverse); font-family: var(--ac-font-editorial); font-size: clamp(2rem, 2.8vw, 2.8rem); line-height: 1; }
.object-example__thesis { margin: 0 0 1.5rem; color: var(--landing-highlight) !important; font-family: var(--ac-font-editorial); font-size: 1.18rem; }
.object-example__record dl { display: grid; grid-template-columns: minmax(5.4rem, .7fr) minmax(0, 1.3fr); gap: 0; margin: 0; font-size: .81rem; line-height: 1.45; }
.object-example__record dt, .object-example__record dd { border-top: 1px solid var(--landing-border); padding-block: .5rem; }
.object-example__record dt { color: var(--landing-muted); }
.object-example__record dd { margin: 0; color: var(--ac-color-text-inverse); }
.object-example__review-body { border-left: 1px solid var(--landing-border-strong); padding-left: 1.35rem; }
.object-example__review-body > .landing-icon { width: 1.65rem; height: 1.65rem; margin-bottom: 1rem; color: var(--landing-highlight); }
.object-example__review h3 { margin-bottom: .7rem; color: var(--ac-color-text-inverse); font-family: var(--ac-font-editorial); font-size: clamp(1.7rem, 2.25vw, 2.25rem); line-height: 1.05; }
.object-example__review-body > p { margin-bottom: 1.15rem; font-size: .9rem; line-height: 1.55; }
.object-example__review ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem .85rem; margin: 0; padding: 0; list-style: none; }
.object-example__review li { border-top: 1px solid var(--landing-border); padding-top: .55rem; color: var(--ac-color-text-inverse); font-size: .76rem; line-height: 1.3; }
.object-example__learning { position: relative; margin-top: 1.55rem; border-top: 1px solid var(--landing-border-strong); padding-top: 1rem; }
.object-example__learning span { position: absolute; top: .6rem; left: 0; color: var(--landing-highlight); font-size: 1.5rem; }
.object-example__learning p { margin: 0 0 0 1.35rem; color: var(--landing-muted); font-size: .86rem; line-height: 1.55; }
.object-example__learning strong { color: var(--landing-highlight); font-weight: var(--ac-font-weight-semibold); }
.object-example .object-example__note { margin: 1.45rem 0 0; color: var(--landing-muted); font-size: .65rem; letter-spacing: .02em; text-align: center; }
.landing-world { position: relative; isolation: isolate; background: radial-gradient(ellipse 65% 45% at 65% 48%, color-mix(in srgb, var(--landing-accent) 18%, transparent), transparent); }
.landing-world__earth { position: absolute; z-index: -2; bottom: 0; left: 0; width: 100%; height: clamp(38rem, 55vw, 52rem); object-fit: cover; object-position: center top; mask-image: linear-gradient(transparent, black 18%, black 72%, transparent 100%); pointer-events: none; }
.landing-world::after { position: absolute; z-index: -1; inset: 0; background: linear-gradient(transparent 52%, color-mix(in srgb, var(--landing-canvas) 35%, transparent) 74%, var(--landing-canvas)); content: ""; pointer-events: none; }
.landing-directory { padding-block: 4rem 6rem; }
.landing-directory__grid { display: grid; grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr); align-items: center; gap: 4rem; }
.landing-directory h2 { font-size: clamp(2.7rem, 4vw, 4rem); }
.landing-directory__sources { position: relative; isolation: isolate; }
.landing-directory__sources::before { position: absolute; z-index: -1; inset: -5rem -4rem 0; background: radial-gradient(ellipse 58% 55% at 46% 45%, color-mix(in srgb, var(--landing-accent) 19%, transparent), transparent 78%); mask-image: radial-gradient(ellipse 68% 68% at 50% 50%, black 45%, transparent); content: ""; pointer-events: none; }
.landing-directory__threads { position: absolute; z-index: -1; top: 13rem; left: 0; width: 100%; height: 24rem; overflow: visible; fill: none; stroke: color-mix(in srgb, var(--landing-highlight) 34%, transparent); stroke-width: 1; mask-image: linear-gradient(black 70%, transparent 100%); pointer-events: none; }
.landing-directory__threads path { vector-effect: non-scaling-stroke; }
.landing-directory__threads path:first-child { stroke: color-mix(in srgb, var(--landing-highlight) 58%, transparent); filter: drop-shadow(0 0 5px var(--landing-glow)); }
.landing-directory__threads path:not(:first-child) { opacity: 0.45; }
.landing-source-cards { display: flex; align-items: stretch; isolation: isolate; padding-block: 2rem 3rem; }
.landing-source-card { position: relative; display: flex; min-width: 0; min-height: 18rem; flex-direction: column; overflow: hidden; border: 1px solid var(--landing-border); border-radius: 0.8rem; padding: 1.3rem; background: linear-gradient(145deg, var(--landing-panel), color-mix(in srgb, var(--landing-panel) 83%, var(--landing-canvas))); box-shadow: 0 18px 45px color-mix(in srgb, var(--landing-canvas) 72%, transparent), inset 0 1px 0 color-mix(in srgb, var(--landing-highlight) 8%, transparent); }
.landing-source-card:first-child { z-index: 3; flex-basis: 39%; margin-right: -2%; border-color: var(--landing-border-strong); padding: 1.5rem; background: linear-gradient(145deg, color-mix(in srgb, var(--landing-accent) 13%, var(--landing-panel)), var(--landing-panel) 45%, color-mix(in srgb, var(--landing-panel) 77%, var(--landing-canvas))); box-shadow: 0 0 55px color-mix(in srgb, var(--landing-accent) 17%, transparent), 0 22px 60px color-mix(in srgb, var(--landing-canvas) 75%, transparent)); transform: translateY(-0.75rem); }
.landing-source-card:nth-child(2) { z-index: 2; flex-basis: 33%; margin-right: -2%; transform: translateY(.65rem); }
.landing-source-card:nth-child(3) { z-index: 1; flex-basis: 32%; transform: translateY(1.7rem); }
.landing-source-card__identity { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1rem; }
.landing-source-card__identity > span:last-child { color: var(--landing-muted); font-size: 0.75rem; line-height: 1.5; }
.landing-source-card__symbol { display: grid; width: 2.6rem; height: 2.6rem; flex-shrink: 0; place-items: center; border: 1px solid var(--landing-border-strong); border-radius: var(--ac-radius-control); background: color-mix(in srgb, var(--landing-accent) 12%, var(--landing-canvas)); color: var(--landing-highlight); }
.landing-source-card__symbol--round { border-radius: 50%; }
.landing-source-card h3 { margin-bottom: 0.6rem; font-family: var(--ac-font-ui); font-size: 0.98rem; font-weight: var(--ac-font-weight-medium); letter-spacing: -0.025em; line-height: 1.35; }
.landing-source-card:first-child h3 { font-size: 1.12rem; }
.landing-source-card p { margin-bottom: 1rem; font-size: 0.8rem; line-height: 1.6; }
.landing-source-card ul { display: flex; flex-wrap: wrap; align-items: start; gap: 0.3rem; margin: auto 0 0; padding: 0; list-style: none; }
.landing-source-card li { border-radius: 2px; padding: 0.13rem 0.4rem; background: color-mix(in srgb, var(--landing-accent) 12%, var(--landing-canvas)); color: var(--ac-color-text-inverse); font-size: 0.63rem; }

.landing-community { min-height: 33rem; padding-block: 8rem 5rem; }
.landing-community__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); align-items: end; gap: 5rem; }
.landing-community h2 { max-width: 12ch; font-size: clamp(3rem, 4.8vw, 5rem); }
.landing-community h2 + p { max-width: 42ch; }
.landing-community__action { display: flex; align-items: start; flex-direction: column; gap: 1.4rem; }
.landing-community__action p { margin: 0; font-size: 1.25rem; color: var(--ac-color-text-inverse); }
.landing-community__action p span { font-size: 1rem; color: var(--landing-muted); }
.landing-community__action .landing-button { flex-shrink: 0; white-space: nowrap; }
.landing-footer.ac-site-footer { position: relative; display: grid; min-height: 15rem; grid-template-columns: auto minmax(0, 1fr) auto; align-items: start; gap: 3rem; border-top: 0; padding-block: 2.5rem 4rem; background: var(--landing-canvas); }
.landing-footer .ac-brand-lockup { display: block; width: 13.75rem; height: auto; }
.landing-footer__brand > p { margin-top: 1rem; font-size: 0.7rem; }
.landing-footer__links { align-self: center; }
.landing-footer__links nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1.25rem; font-size: 0.74rem; }
.landing-footer__links a { display: inline-flex; min-height: 2.75rem; align-items: center; text-decoration: none; }
.landing-footer__links a:hover { color: var(--ac-color-text-inverse); text-decoration: underline; text-decoration-color: var(--landing-accent); }
.landing-footer .landing-footer__signature { align-self: center; border-left: 1px solid var(--landing-accent); padding-left: 1.2rem; color: var(--ac-color-text-inverse); font-size: 0.65rem; line-height: 2; letter-spacing: 0.26em; text-transform: uppercase; white-space: nowrap; }

@media (max-width: 75rem) {
  .landing-header.ac-site-header .ac-brand-lockup, .landing-footer .ac-brand-lockup { width: 12rem; }
  .landing-header .ac-desktop-navigation { gap: 1.2rem; }
  .landing-hero__copy > p:not(.landing-eyebrow) { font-size: 0.95rem; }
  .landing-hero .landing-button { padding-inline: 0.85rem; font-size: 0.75rem; gap: 0.65rem; }
  .landing-section h2 + p { font-size: 0.95rem; }
  .landing-directory__grid { gap: 1.8rem; }
  .landing-source-card { padding: 1rem; }
  .landing-source-card:first-child { padding: 1.15rem; }
  .landing-source-card__identity { flex-direction: column; align-items: start; gap: 0.5rem; }
  .landing-source-card__identity > span:last-child { display: none; }
  .landing-source-card h3 { font-size: 0.95rem; }
  .landing-source-card:first-child h3 { font-size: 1.05rem; }
  .landing-source-card p { font-size: 0.85rem; }
  .landing-community__grid { gap: 2.5rem; }
  .landing-community__action .landing-button { padding-inline: 1rem; font-size: 0.75rem; }
  .landing-footer.ac-site-footer { gap: 2rem; }
}

@media (max-width: 70rem) {
  .landing-directory__grid { grid-template-columns: minmax(0, 1fr); gap: 3rem; }
  .landing-directory__sources { width: min(100%, 46rem); justify-self: end; }
  .landing-source-card__identity { flex-direction: row; }
  .landing-source-card__identity > span:last-child { display: block; }
  .landing-source-card { padding: 1.2rem; }
  .landing-source-card:first-child { padding: 1.35rem; }
  .landing-source-card h3 { font-size: 1rem; }
}

@media (max-width: 62rem) {
  .landing-header.ac-site-header { min-height: 5.4rem; }
  .landing-header .ac-desktop-navigation { gap: 1rem; }
  .landing-header .ac-desktop-navigation > a:not(.ac-button) { font-size: 0.7rem; }
  .landing-header__join.ac-button { padding-inline: 0.85rem; font-size: 0.7rem; gap: 0.6rem; }
  .landing-hero { padding-block: var(--landing-intro-space) 5rem; }
  .landing-section { padding-block: 4rem; }
  .landing-directory { padding-block: 4rem 5rem; }
  .landing-community { padding-block: 8rem 4rem; }
  .landing-hero__grid { gap: 2rem; }
  .landing-hero .landing-actions { gap: 0.8rem; }
  .landing-hero .landing-button { font-size: 0.7rem; padding-inline: 0.75rem; }
  .language-diagram { aspect-ratio: 540 / 650; }
  .language-diagram__research { width: 72%; padding: 0.45rem 0.6rem; font-size: 0.77rem; }
  .language-diagram__stages li { font-size: 0.5rem; }
  .landing-diagram-label { font-size: 0.52rem; }
  .language-diagram__object { gap: 0.8rem; padding: 0.5rem 0.7rem; }
  .language-diagram__object-lines { gap: 0.35rem; }
  .language-diagram .language-diagram__note { font-size: 0.57rem; }
  .landing-problem__grid { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .landing-problem__copy { padding: 0; max-width: 40rem; }
  .source-diagram { max-width: 43rem; justify-self: center; }
  .source-diagram__inputs li { font-size: 0.83rem; }
  .landing-problem .landing-problem__conclusion { font-size: clamp(2.7rem, 4.5vw, 4rem); }
  .object-example { max-width: 42rem; }
  .object-example__grid { grid-template-columns: minmax(0, 1fr); gap: .2rem; }
  .object-example__connector { justify-self: center; width: 3.5rem; height: 4rem; margin-top: 0; transform: rotate(90deg); }
  .object-example__source, .object-example__tracked, .object-example__review { width: 100%; }
  .object-example__source-note { margin-bottom: .5rem; }
  .object-example__review { margin-top: .2rem; }
  .object-example__review-body { max-width: 35rem; }
  .landing-directory__grid { grid-template-columns: minmax(0, 1fr); gap: 3rem; }
  .landing-directory__sources { width: min(100%, 43rem); justify-self: end; }
  .landing-source-card__identity { flex-direction: row; }
  .landing-source-card__identity > span:last-child { display: block; }
  .landing-source-card { padding: 1.2rem; }
  .landing-source-card:first-child { padding: 1.35rem; }
  .landing-source-card h3 { font-size: 1rem; }
  .landing-footer.ac-site-footer { grid-template-columns: auto 1fr; }
  .landing-footer__signature { display: none; }
}

@media (max-width: 48rem) {
  .landing-header.ac-site-header { min-height: 5rem; }
  .landing-header .ac-desktop-navigation { display: none; }
  .landing-header .ac-mobile-navigation { display: block; }
  .landing-header__join.ac-button { margin-left: auto; }
  .landing-header .ac-mobile-navigation nav { position: absolute; z-index: 5; left: auto; right: var(--ac-page-gutter); width: min(21rem, calc(100vw - 2 * var(--ac-page-gutter))); border: 1px solid var(--landing-border-strong); border-radius: var(--ac-radius-control); }
  .landing-header .ac-mobile-navigation a { min-height: 2.75rem; padding-block: 0.65rem; }
  .landing-hero__grid, .landing-problem__grid, .landing-standard__grid, .landing-directory__grid, .landing-community__grid { grid-template-columns: minmax(0, 1fr); gap: 2.2rem; }
  .landing-hero { padding-top: var(--landing-intro-space); padding-bottom: 4.5rem; }
  .landing-bridge { padding-block: 0.5rem 2rem; }
  .landing-bridge--directory { padding-block: 0 3rem; }
  .landing-hero__copy { padding-bottom: 0; }
  .landing-hero h1 { font-size: clamp(3.35rem, 9vw, 5rem); }
  .landing-hero__copy > p:not(.landing-eyebrow) { max-width: 46ch; font-size: 0.95rem; }
  .landing-hero .landing-actions { gap: 1rem; }
  .landing-hero .landing-button { flex-grow: 0; padding-inline: 1.2rem; font-size: 0.8rem; }
  .landing-section { padding-block: 3.5rem; }
  .landing-directory { padding-bottom: 5rem; }
  .landing-community { padding-block: 7rem 4rem; }
  .landing-world__earth { bottom: 12rem; height: 46rem; object-position: center top; }
  .landing-narrative__thread { opacity: 0.5; }
  .landing-page h2, .landing-standard h2, .landing-directory h2, .landing-community h2 { font-size: clamp(2.25rem, 6vw, 3.1rem); }
  .landing-section h2 + p { max-width: 52ch; font-size: 0.95rem; }
  .language-diagram { max-width: 33.75rem; aspect-ratio: 540 / 510; justify-self: center; }
  .language-diagram__research { padding: 0.6rem; font-size: clamp(0.77rem, 2.6vw, 1rem); }
  .language-diagram__stages li { font-size: clamp(0.5rem, 1.7vw, 0.65rem); }
  .landing-diagram-label { font-size: clamp(0.5rem, 1.6vw, 0.65rem); }
  .language-diagram .language-diagram__note { font-size: 0.65rem; }
  .source-diagram { max-width: 35rem; aspect-ratio: auto; padding-block: 1rem 2.5rem; }
  .source-diagram__inputs { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .source-diagram__inputs li:nth-child(n) { position: relative; top: auto; left: auto; width: auto; min-height: 3.5rem; padding: 0.8rem; font-size: 0.8rem; }
  .source-diagram__inputs li:nth-child(even) { transform: translateY(1rem); }
  .source-diagram__wires { opacity: 0.25; }
  .source-diagram__sheet { display: none; }
  .source-diagram figcaption { position: relative; top: auto; right: auto; width: auto; margin-top: 3rem; font-size: 0.58rem; }
  .landing-problem .landing-problem__conclusion { margin-top: 2rem; font-size: clamp(2.3rem, 6.2vw, 3.5rem); }
  .object-example { max-width: 35rem; }
  .object-example__language p { font-size: 1.55rem; }
  .object-example__record dl { font-size: 0.9rem; }
  .object-example .object-example__note { text-align: center; }
  .landing-desktop-break { display: none; }
  .landing-source-card__identity { flex-direction: column; }
  .landing-source-card__identity > span:last-child { display: none; }
  .landing-source-card h3 { font-size: 0.95rem; }
  .landing-source-card p { font-size: 0.88rem; }
  .landing-source-cards { display: grid; grid-template-columns: minmax(0, 1fr); padding-block: 1rem 3rem; }
  .landing-directory__threads { top: calc(100% - 13rem); height: 22rem; mask-image: linear-gradient(black 80%, transparent 100%); }
  .landing-directory__threads path:not(:first-child) { display: none; }
  .landing-source-card:nth-child(n) { width: min(calc(100% - 1.25rem), 28rem); min-height: 0; margin-right: 0; padding: 1.25rem; transform: none; }
  .landing-source-card:nth-child(1), .landing-source-card:nth-child(3) { justify-self: start; }
  .landing-source-card:nth-child(2) { justify-self: end; margin-top: -.55rem; }
  .landing-source-card:nth-child(3) { margin-top: -.55rem; }
  .landing-footer.ac-site-footer { grid-template-columns: minmax(0, 1fr); gap: 1.3rem; padding-block: 2rem 3rem; }
  .landing-footer__links nav { justify-content: start; }
}

@media (max-width: 30rem) {
  .landing-header.ac-site-header { gap: 0.8rem; }
  .landing-header.ac-site-header .ac-brand-lockup { width: 11.25rem; }
  .landing-header__join.ac-button { display: none; }
  .landing-hero .landing-button { padding-inline: 1.2rem; font-size: 0.85rem; }
  .landing-page .landing-eyebrow { font-size: 0.63rem; }
  .landing-hero h1 { font-size: clamp(3.15rem, 13vw, 3.9rem); }
  .language-diagram { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); gap: 0 1rem; aspect-ratio: auto; }
  .language-diagram > figcaption { position: static; grid-column: 1 / -1; margin-bottom: 1rem; }
  .language-diagram__research { position: static; grid-column: 1; grid-row: 2; width: auto; font-size: 0.78rem; }
  .language-diagram__wires { display: none; }
  .language-diagram__mobile-flow { display: block; grid-column: 1 / -1; grid-row: 3; width: 100%; height: auto; }
  .language-diagram__stages { position: static; grid-column: 2; grid-row: 2; align-content: space-around; width: auto; height: auto; gap: 0.7rem; }
  .language-diagram__stages li { position: relative; border-left: 1px solid var(--landing-border-strong); padding-left: 0.6rem; letter-spacing: 0.06em; font-size: 0.51rem; }
  .language-diagram__stages li::before { position: absolute; top: 0.45rem; left: -3px; width: 5px; height: 5px; border-radius: 50%; background: var(--landing-accent); content: ""; }
  .language-diagram__from, .language-diagram__to { position: static; grid-column: 1 / -1; grid-row: 4; margin-top: 0.45rem; letter-spacing: 0.12em; }
  .language-diagram__from { justify-self: start; margin-left: 7%; }
  .language-diagram__to { justify-self: end; }
  .language-diagram__object { position: static; grid-column: 1 / -1; grid-row: 5; justify-self: end; height: 3.4rem; margin-top: 0.7rem; }
  .language-diagram__object-symbol .landing-icon { width: 1.7rem; height: 1.7rem; }
  .language-diagram__object-lines { gap: 0.28rem; }
  .language-diagram .language-diagram__note { position: static; grid-column: 1 / -1; grid-row: 6; margin-top: 0.5rem; text-align: right; }
  .source-diagram__inputs { gap: 0.7rem; }
  .source-diagram__inputs li:nth-child(n) { gap: 0.6rem; padding: 0.65rem; font-size: 0.74rem; }
  .object-example__record { padding: 1.2rem; }
  .object-example__language p { font-size: 1.35rem; }
  .object-example__review ul { gap: .7rem .5rem; }
  .object-example__record dl { font-size: 0.85rem; gap: 0.4rem 1rem; }
  .landing-source-card:nth-child(n) { padding: 1.2rem; }
  .landing-source-card__identity { flex-direction: row; }
  .landing-source-card__identity > span:last-child { display: block; }
  .landing-source-card p { max-width: 43ch; font-size: 0.9rem; }
  .landing-source-card li { font-size: 0.7rem; }
  .landing-community__action { gap: 1rem; }
  .landing-community h2 { font-size: clamp(2.7rem, 12vw, 3.3rem); }
}

/* Founding-community journey on the landing-page canvas. */
.landing-page :is(.community-form-shell, .community-welcome) {
  position: relative;
  isolation: isolate;
  min-height: calc(100vh - 6.25rem);
  overflow: clip;
  background: radial-gradient(ellipse 55% 45% at 70% 22%, color-mix(in srgb, var(--landing-accent) 12%, transparent), transparent 75%), var(--landing-canvas);
}
.landing-page :is(.community-form-shell, .community-welcome)::before {
  position: absolute;
  z-index: 0;
  inset: 0;
  background: radial-gradient(ellipse 34% 38% at 15% 58%, color-mix(in srgb, var(--landing-accent) 10%, transparent), transparent 80%);
  content: "";
  pointer-events: none;
}
.landing-page :is(.community-form-shell, .community-welcome)::after {
  position: absolute;
  z-index: 0;
  right: 0;
  bottom: -8rem;
  left: 0;
  height: min(42rem, 50vw);
  background: url("../images/illustrations/earth-horizon.webp") center top / cover no-repeat;
  mask-image: linear-gradient(transparent, black 28%, black 62%, transparent);
  opacity: 0.28;
  content: "";
  pointer-events: none;
}
.landing-page .community-form-shell { padding-block: var(--landing-intro-space) clamp(6rem, 10vw, 10rem); }
.landing-page .community-form-shell__layout,
.landing-page .community-welcome__layout { position: relative; z-index: 1; }
.landing-page .community-form-shell__layout { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(3rem, 6vw, 7rem); }
.landing-page .community-form-introduction { top: 2rem; max-width: 35rem; }
.landing-page .community-form-introduction h1 { max-width: none; margin-top: 0; font-size: clamp(3.5rem, 5.8vw, 6rem); line-height: 0.98; letter-spacing: -0.04em; }
.landing-page .community-form-introduction h1 .landing-name__alpha { color: var(--ac-color-text-inverse); }
.landing-page .community-form-introduction h1 .landing-name__capture { color: var(--landing-highlight); }
.landing-page .community-form-introduction > p:not(.ac-eyebrow):not(.community-form-introduction__boundary) { color: var(--landing-muted); font-size: 1rem; }
.landing-page .community-form-introduction__boundary { border-left: 1px solid var(--landing-highlight); color: var(--landing-muted); }
.landing-page .community-form-shell .founding-join__panel {
  border: 1px solid var(--landing-border-strong);
  border-radius: 0.8rem;
  padding: clamp(1.5rem, 3.4vw, 3rem);
  background: linear-gradient(145deg, color-mix(in srgb, var(--landing-accent) 8%, var(--landing-panel)), var(--landing-panel) 55%);
  box-shadow: 0 0 75px color-mix(in srgb, var(--landing-accent) 10%, transparent), 0 28px 65px color-mix(in srgb, var(--landing-canvas) 65%, transparent);
}
.landing-page .community-form-shell .founding-join__panel > .landing-eyebrow { margin-bottom: 0.45rem; }
.landing-page .community-form-shell .founding-join__panel > h2 { margin-bottom: 2rem; color: var(--ac-color-text-inverse); font-size: clamp(1.9rem, 2.6vw, 2.7rem); }
.landing-page .founding-form .ac-field label,
.landing-page .founding-form .ac-consent label { color: var(--ac-color-text-inverse); }
.landing-page .founding-form .ac-field label small { color: var(--landing-muted); }
.landing-page .founding-form .ac-field :is(input, select, textarea) {
  min-height: 3.25rem;
  border-color: var(--landing-border-strong);
  background: color-mix(in srgb, var(--landing-canvas) 75%, var(--landing-panel));
  color: var(--ac-color-text-inverse);
  color-scheme: dark;
}
.landing-page .founding-form .ac-field :is(input, textarea)::placeholder { color: var(--landing-muted); opacity: 0.75; }
.landing-page .founding-form .ac-field :is(input, select, textarea):hover { border-color: var(--landing-highlight); }
.landing-page .founding-form .ac-field :is(input, select, textarea):focus { border-color: var(--landing-highlight); outline-color: var(--ac-color-focus-inverse); }
.landing-page .founding-form .ac-field :is(input, select, textarea).input-validation-error { border-color: var(--ac-color-text-inverse); }
.landing-page .founding-form .ac-field__error,
.landing-page .founding-form .form-validation-summary { color: var(--ac-color-text-inverse); }
.landing-page .founding-form .form-validation-summary { border-left-color: var(--landing-highlight); }
.landing-page .founding-form .ac-consent { border-top-color: var(--landing-border); }
.landing-page .founding-form .ac-consent input { accent-color: var(--landing-accent); }
.landing-page .founding-submit { align-items: flex-start; flex-direction: column; margin-top: 0.25rem; }
.landing-page .founding-submit p { color: var(--landing-muted); }
.landing-page .founding-submit p a { color: var(--landing-highlight); text-decoration-thickness: 1px; }
.landing-page .founding-submit p a:hover { color: var(--ac-color-text-inverse); }

.landing-page .community-welcome { padding-block: var(--landing-intro-space) clamp(6rem, 10vw, 10rem); }
.landing-page .community-welcome__layout { display: block; max-width: calc(52rem + 2 * var(--ac-page-gutter)); }
.landing-page .community-welcome h1 { max-width: 17ch; margin-top: 0; color: var(--ac-color-text-inverse); font-size: clamp(3rem, 5.4vw, 5.4rem); line-height: 1.05; text-wrap: balance; }
.landing-page .community-welcome__content > p:not(.ac-eyebrow) { max-width: 46rem; color: var(--landing-muted); }
.landing-page .community-welcome .founding-code {
  max-width: none;
  border: 1px solid var(--landing-border-strong);
  border-radius: 0.8rem;
  background: var(--landing-panel);
  box-shadow: 0 0 65px color-mix(in srgb, var(--landing-accent) 8%, transparent);
}
.landing-page .founding-code > span,
.landing-page .founding-code__copy-status { color: var(--landing-muted); }
.landing-page .founding-code > strong { color: var(--landing-highlight); }
.landing-page .founding-code__guidance,
.landing-page .founding-code__share > p { color: var(--landing-muted); }
.landing-page .founding-code__share { border-top-color: var(--landing-border); }
.landing-page .founding-code__link,
.landing-page .founding-code__share-row .founding-code__link { border-color: var(--landing-border-strong); background: var(--landing-canvas); color: var(--ac-color-text-inverse); }
.landing-page .founding-code__copy { border-color: var(--landing-border-strong); background: var(--landing-panel); color: var(--ac-color-text-inverse); }
.landing-page .founding-code__copy:hover { background: var(--landing-accent); color: var(--ac-color-text-inverse); }

@media (max-width: 64rem) {
  .landing-page .community-form-shell__layout { grid-template-columns: minmax(0, 1fr); gap: 3rem; }
  .landing-page .community-form-introduction { position: static; }
}

@media (max-width: 48rem) {
  .landing-header__join.ac-button { display: none; }
  .landing-page .community-form-shell,
  .landing-page .community-welcome { padding-block: var(--landing-intro-space) 5rem; }
  .landing-page .community-form-introduction h1 { font-size: clamp(2.65rem, 10.8vw, 5rem); }
  .landing-page .community-form-shell .founding-join__panel { padding: clamp(1.3rem, 5vw, 2rem); }
}

@media (forced-colors: active) {
  body.landing-page { --landing-canvas: Canvas; --landing-accent: LinkText; --landing-highlight: LinkText; --landing-panel: Canvas; --landing-muted: CanvasText; --landing-border: CanvasText; --landing-border-strong: CanvasText; color: CanvasText; background: Canvas; }
  .landing-world__earth, .landing-world::after, .landing-directory__threads, .landing-narrative__thread, .landing-problem::before, .language-diagram::before, .source-diagram::before, .landing-directory__sources::before { display: none; }
  .language-diagram { --language-signal: LinkText; --language-halo: transparent; }
  .language-diagram .diagram-wire, .language-diagram .diagram-node, .language-diagram__object-symbol .landing-icon { filter: none; }
  .language-diagram .diagram-wire--quiet { stroke: CanvasText; }
  .language-diagram__research, .language-diagram__research mark, .language-diagram__object { background: Canvas; border-color: CanvasText; box-shadow: none; }
  .language-diagram__research p { color: CanvasText; }
  .source-diagram__inputs li:nth-child(n) { background: Canvas; border-color: CanvasText; box-shadow: none; }
  .landing-header::after, .landing-footer::before { background: CanvasText; }
  .landing-button.ac-button { border-color: ButtonText; background: ButtonFace; color: ButtonText; }
  .diagram-node { fill: CanvasText; }
  .diagram-wire, .source-diagram__text-line { stroke: CanvasText; }
  .object-example__connector { filter: none; stroke: CanvasText; }
  .object-example__connector .object-example__signal { stroke: CanvasText; }
  .object-example__record { background: Canvas; border-color: CanvasText; box-shadow: none; }
  .object-example__language mark { background: Canvas; color: CanvasText; }
  .landing-source-card, .landing-source-card:first-child { border-color: CanvasText; background: Canvas; box-shadow: none; }
  .landing-source-card__symbol, .landing-source-card li { color: CanvasText; }
  .landing-page .landing-name__alpha,
  .landing-page .community-form-introduction h1 .landing-name__alpha { color: CanvasText; }
  .landing-page .landing-name__capture,
  .landing-page .community-form-introduction h1 .landing-name__capture { color: LinkText; }
  .landing-page :is(.community-form-shell, .community-welcome)::before,
  .landing-page :is(.community-form-shell, .community-welcome)::after { display: none; }
  .landing-page .community-form-shell .founding-join__panel,
  .landing-page .community-welcome .founding-code { border-color: CanvasText; background: Canvas; box-shadow: none; }
  .landing-page .founding-form .ac-field :is(input, select, textarea),
  .landing-page .founding-code__share-row .founding-code__link,
  .landing-page .founding-code__copy { border-color: CanvasText; background: Field; color: FieldText; }
}