:root {
  --sky: var(--chart-1);
  --amber: var(--chart-2);
  --green: var(--chart-3);
  --pink: var(--chart-4);
  --blue: var(--chart-5);
  --orange: var(--chart-6);
  --yellow: var(--chart-7);
  --gray: var(--chart-8);
  --ink: #151b24;
  --ink-2: #202a35;
  --paper: #f7f3eb;
  --rule: #cfc7b9;
  --max: 86rem;
  scroll-behavior: smooth;
}

[data-theme="dark"] {
  --ink: #eff3f7;
  --ink-2: #dfe7ed;
  --paper: #11151a;
  --rule: #414850;
}

html { scroll-padding-top: 5.25rem; }
body { overflow-x: hidden; }

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 100;
  padding: .65rem 1rem;
  background: var(--text);
  color: var(--bg);
  font: 700 .8rem var(--font-ui);
}

.skip-link:focus { top: 1rem; }

.site-nav {
  padding: .7rem clamp(1rem, 4vw, 3rem);
  border-color: var(--rule);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
}

.site-nav .brand {
  margin-right: auto;
  padding-left: 0;
  color: var(--text);
  font-size: .72rem;
  letter-spacing: .15em;
}

.site-nav .nav-links { gap: 0; }
.site-nav .nav-links a { font-size: .72rem; }
.site-nav .nav-links a.is-current { color: var(--blue); font-weight: 800; }

.theme-button {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  margin-left: .5rem;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.theme-button:hover { background: var(--surface-2); }

.eyebrow,
.kicker {
  margin: 0;
  color: var(--blue);
  font: 800 .7rem/1.3 var(--font-ui);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
  background:
    linear-gradient(115deg, color-mix(in srgb, var(--sky) 8%, transparent), transparent 44%),
    var(--bg);
}

.hero__inner {
  position: relative;
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 8.5rem) clamp(1rem, 4vw, 3rem) 3rem;
}

.hero__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(2rem, 6vw, 5rem);
  color: var(--muted);
  font: 650 .68rem var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(3.3rem, 7.4vw, 6.5rem);
  line-height: .88;
  letter-spacing: -.06em;
  text-wrap: balance;
}

.hero h1 em {
  color: var(--blue);
  font-weight: 500;
}

.hero__dek {
  max-width: 47rem;
  margin: 2.5rem 0 3.5rem auto;
  color: var(--text-2);
  font-size: clamp(1.1rem, 2vw, 1.42rem);
  line-height: 1.5;
}

.hero__thesis {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1.5rem;
  max-width: 64rem;
  margin-left: auto;
  padding: 1.5rem 0;
  border-top: 4px solid var(--text);
  border-bottom: 1px solid var(--rule);
}

.hero__thesis span {
  font: 800 .7rem var(--font-ui);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.hero__thesis p {
  margin: 0;
  font-size: clamp(1.18rem, 2.2vw, 1.7rem);
  line-height: 1.32;
}

.hero__parts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  max-width: 64rem;
  margin: 3rem 0 0 auto;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.hero__parts p {
  margin: 0;
  padding: 1.25rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.hero__parts strong {
  display: block;
  margin-bottom: .65rem;
  color: var(--blue);
  font: 800 .75rem/1.3 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.hero__parts span {
  display: block;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.5;
}

.section {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 8rem) clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--rule);
}

.section-heading {
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.section-heading > div { max-width: 60rem; }

.section-heading h2 {
  max-width: 21ch;
  margin: .55rem 0 .9rem;
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  line-height: .96;
  letter-spacing: -.045em;
}

.section-dek {
  max-width: 49rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.part-intro {
  width: 100%;
  padding: clamp(4rem, 8vw, 7rem) max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--sky) 9%, var(--surface-2));
}

.part-intro h2 {
  max-width: 18ch;
  margin: .7rem 0 1.25rem;
  font-size: clamp(2.8rem, 5.8vw, 5.3rem);
  line-height: .96;
  letter-spacing: -.05em;
}

.part-intro > p:last-child {
  max-width: 62rem;
  margin: 0;
  color: var(--text-2);
  font-size: 1.08rem;
  line-height: 1.55;
}

.part-intro--agenda {
  background: color-mix(in srgb, var(--green) 9%, var(--surface-2));
}

.section--guide {
  width: 100%;
  max-width: none;
  padding-left: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  padding-right: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  background: var(--surface-2);
}

.goal-framework {
  display: grid;
  grid-template-columns: minmax(18rem, .7fr) minmax(34rem, 1.3fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.goal-framework__source h3,
.object-intro h3 {
  margin: .55rem 0 1rem;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -.035em;
}

.goal-framework__source > p:not(.kicker),
.object-intro > p:last-child {
  color: var(--text-2);
  font-size: .94rem;
}

.goal-framework__source a,
.mode-caveat a {
  color: var(--blue);
  font: 800 .67rem var(--font-ui);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.why-what-how {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.why-what-how article {
  min-height: 16rem;
  padding: 1.2rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.why-what-how span,
.goal-mode__label,
.assessment-card__state,
.synthesis-card__state {
  color: var(--blue);
  font: 800 .66rem/1.35 var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.why-what-how h3 {
  margin: 3.5rem 0 .75rem;
  font-size: 1.35rem;
}

.why-what-how p {
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.5;
}

.comparison-table {
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.comparison-table__head {
  display: grid;
  color: var(--muted);
  background: var(--surface-2);
  font: 800 .63rem/1.35 var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.comparison-table__head > * {
  padding: .8rem 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.goal-modes { margin-top: clamp(3rem, 6vw, 5rem); }

.goal-modes__head,
.goal-modes > article {
  grid-template-columns: minmax(12rem, .9fr) minmax(21rem, 1.55fr) minmax(11rem, .8fr) minmax(11rem, .8fr);
}

.goal-modes > article {
  display: grid;
  position: relative;
  background: var(--surface);
}

.goal-modes > article::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: .3rem;
  background: var(--pink);
  content: "";
}

.goal-modes > article:nth-of-type(2)::before { background: var(--amber); }
.goal-modes > article:nth-of-type(3)::before { background: var(--green); }
.goal-modes > article:nth-of-type(4)::before { background: var(--sky); }
.goal-modes > article:nth-of-type(5)::before { background: var(--blue); }

.goal-modes > article > * {
  min-width: 0;
  margin: 0;
  padding: 1rem 1rem 1rem 1.25rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.goal-modes .goal-mode__label {
  grid-column: 1;
  grid-row: 1;
  padding-bottom: .35rem;
  border-bottom: 0;
}

.goal-modes h3 {
  grid-column: 1;
  grid-row: 2;
  padding-top: .15rem;
  font-size: 1.05rem;
  line-height: 1.22;
}

.goal-modes > article > p:not(.goal-mode__label) {
  grid-column: 2;
  grid-row: 1 / span 2;
  color: var(--text-2);
  font-size: .78rem;
  line-height: 1.5;
}

.goal-modes dl {
  display: grid;
  grid-column: 3 / span 2;
  grid-row: 1 / span 2;
  grid-template-columns: repeat(2, 1fr);
  padding: 0;
}

.goal-modes dl > div { min-width: 0; padding: 1rem; border-right: 1px solid var(--rule); }
.goal-modes dl > div:last-child { border-right: 0; }
.goal-modes dt { display: none; }
.goal-modes dd { margin: 0; color: var(--text-2); font: .72rem/1.45 var(--font-ui); }

.mode-caveat {
  margin-top: 1rem;
  padding: 1.4rem 1.5rem;
  border-left: 5px solid var(--amber);
  background: color-mix(in srgb, var(--amber) 7%, var(--surface));
}

.mode-caveat > strong { font-family: var(--font-ui); }
.mode-caveat > p { max-width: 74rem; color: var(--text-2); font-size: .88rem; }
.mode-caveat > div { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-top: 1rem; }

.object-intro {
  max-width: 58rem;
  margin: clamp(5rem, 9vw, 8rem) 0 2rem;
}

.object-grid__head,
.object-grid article {
  grid-template-columns: minmax(10rem, .65fr) minmax(17rem, 1.25fr) minmax(21rem, 1.5fr) minmax(12rem, .8fr);
}

.object-grid article { display: grid; position: relative; background: var(--surface); }

.object-grid article::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: .3rem;
  background: var(--sky);
  content: "";
}

.object-grid article:nth-of-type(2)::before { background: var(--green); }
.object-grid article:nth-of-type(3)::before { background: var(--pink); }
.object-grid article:nth-of-type(4)::before { background: var(--amber); }
.object-grid article:nth-of-type(5)::before { background: var(--blue); }

.object-grid article > * {
  min-width: 0;
  margin: 0;
  padding: 1rem 1rem 1rem 1.25rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.object__top {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  color: var(--blue);
  font: 800 .65rem var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.object__top b {
  color: var(--muted);
  font-size: .59rem;
}

.object-grid h3 {
  font-size: 1rem;
  line-height: 1.28;
}

.object-grid p {
  color: var(--text-2);
  font-size: .78rem;
  line-height: 1.52;
}

.object-grid small {
  display: block;
  color: var(--muted);
  font: .65rem/1.45 var(--font-ui);
}

.technique-note {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--blue);
  background: color-mix(in srgb, var(--sky) 8%, var(--surface));
}

.technique-note span {
  color: var(--blue);
  font: 800 .67rem var(--font-ui);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.technique-note p {
  margin: 0;
  color: var(--text-2);
  font-size: .9rem;
}

.ecosystem-explainer {
  display: grid;
  grid-template-columns: minmax(17rem, .65fr) minmax(34rem, 1.35fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  margin-top: clamp(5rem, 9vw, 8rem);
}

.ecosystem-copy h3 {
  margin: .55rem 0 1rem;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  letter-spacing: -.035em;
}

.ecosystem-copy > p:last-child {
  color: var(--text-2);
  font-size: .94rem;
}

.ecosystem-flow {
  padding: 1.25rem;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.flow-main {
  display: grid;
  grid-template-columns: repeat(7, auto);
  align-items: stretch;
  gap: .4rem;
}

.flow-main article {
  display: flex;
  width: min(12vw, 9.5rem);
  min-height: 10.5rem;
  flex-direction: column;
  padding: .8rem;
  border: 1px solid var(--rule);
  background: var(--surface-2);
}

.flow-main article:nth-of-type(2),
.flow-main article:nth-of-type(3) {
  border-color: color-mix(in srgb, var(--blue) 58%, var(--rule));
}

.flow-main article:last-of-type {
  border-color: color-mix(in srgb, var(--green) 65%, var(--rule));
}

.flow-main span,
.flow-support span {
  color: var(--muted);
  font: 750 .58rem var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.flow-main b {
  margin: auto 0 .6rem;
  font: 750 .77rem/1.3 var(--font-ui);
}

.flow-main small {
  color: var(--muted);
  font: .59rem/1.35 var(--font-ui);
}

.flow-main > i {
  align-self: center;
  color: var(--blue);
  font: normal 750 .85rem var(--font-ui);
}

.flow-support {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .45rem;
  margin-top: .8rem;
  padding-top: .8rem;
  border-top: 1px solid var(--rule);
}

.flow-support article {
  min-height: 5.5rem;
  padding: .7rem;
  border-left: 3px solid var(--gray);
  background: var(--surface-2);
}

.flow-support article:nth-child(1) { border-left-color: var(--pink); }
.flow-support article:nth-child(2) { border-left-color: var(--green); }
.flow-support article:nth-child(3) { border-left-color: var(--amber); }
.flow-support article:nth-child(4) { border-left-color: var(--blue); }

.flow-support b {
  display: block;
  margin-top: 1.5rem;
  font: 750 .72rem/1.3 var(--font-ui);
}

.paper-primer {
  display: grid;
  grid-template-columns: minmax(14rem, .55fr) minmax(38rem, 1.45fr);
  gap: clamp(2rem, 5vw, 5rem);
  margin-top: clamp(5rem, 9vw, 8rem);
}

.paper-primer__intro {
  align-self: start;
  position: sticky;
  top: 6rem;
}

.paper-primer__intro h3 {
  margin: .55rem 0 1rem;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  letter-spacing: -.035em;
}

.paper-primer__intro > p:last-child {
  color: var(--text-2);
  font-size: .92rem;
}

.paper-primer__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.paper-primer__grid article {
  min-height: 25rem;
  padding: 1.35rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.paper-primer__grid header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--blue);
  font: 750 .62rem var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.paper-primer__grid header b { color: var(--muted); }

.paper-primer__grid h4 {
  margin: 3.25rem 0 1.25rem;
  font-size: 1.65rem;
}

.paper-primer__grid p {
  padding-top: .8rem;
  border-top: 1px solid var(--border);
  color: var(--text-2);
  font-size: .8rem;
  line-height: 1.5;
}

.paper-primer__grid strong {
  color: var(--text);
  font-family: var(--font-ui);
  font-size: .66rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.paper-primer__grid .paper-primer__benchmark {
  background: color-mix(in srgb, var(--sky) 9%, var(--surface));
  box-shadow: inset .35rem 0 var(--blue);
}

.glossary {
  display: grid;
  grid-template-columns: minmax(12rem, .45fr) minmax(40rem, 1.55fr);
  gap: clamp(2rem, 5vw, 5rem);
  margin-top: clamp(5rem, 9vw, 8rem);
  padding-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--rule);
}

.glossary__intro h3 {
  margin: .55rem 0 0;
  font-size: 2rem;
}

.glossary dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.glossary dl > div {
  min-height: 9.5rem;
  padding: 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.glossary dt {
  color: var(--blue);
  font: 800 .68rem var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.glossary dd {
  margin: 2rem 0 0;
  color: var(--text-2);
  font-size: .8rem;
  line-height: 1.5;
}

.synthesis-matrix {
  overflow: hidden;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.synthesis-matrix__head,
.synthesis-matrix article {
  display: grid;
  grid-template-columns: minmax(10rem, .7fr) repeat(4, minmax(14rem, 1fr));
}

.synthesis-matrix__head {
  color: var(--muted);
  background: var(--surface-2);
  font: 800 .62rem/1.35 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.synthesis-matrix__head > *,
.synthesis-matrix article > * {
  min-width: 0;
  margin: 0;
  padding: 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.synthesis-matrix__head > :nth-child(2) { color: var(--success); }
.synthesis-matrix__head > :nth-child(3) { color: var(--warn); }
.synthesis-matrix__head > :nth-child(4) { color: var(--danger); }
.synthesis-matrix__head > :nth-child(5) { color: var(--blue); }

.synthesis-matrix article { position: relative; background: var(--surface); }
.synthesis-matrix article::before { position: absolute; top: 0; bottom: 0; left: 0; width: .3rem; background: var(--blue); content: ""; }
.synthesis-matrix h3 { padding-left: 1.3rem; font: 750 1rem/1.3 var(--font-ui); }
.synthesis-matrix p { color: var(--text-2); font-size: .76rem; line-height: 1.5; }

.synthesis-boundary {
  display: grid;
  grid-template-columns: minmax(12rem, .5fr) minmax(28rem, 1.5fr);
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 1.2rem 1.3rem;
  border-left: .35rem solid var(--orange);
  background: color-mix(in srgb, var(--orange) 7%, var(--surface));
}

.synthesis-boundary strong { font: 800 .72rem/1.4 var(--font-ui); letter-spacing: .05em; text-transform: uppercase; }
.synthesis-boundary p { margin: 0; color: var(--text-2); font-size: .84rem; line-height: 1.55; }

.decision-bands {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.decision {
  display: flex;
  min-height: 31rem;
  flex-direction: column;
  padding: 1.6rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.decision::before {
  content: "";
  height: .35rem;
  margin: -1.6rem -1.6rem 1.25rem;
  background: var(--green);
}

.decision--try::before { background: var(--amber); }
.decision--reject::before { background: var(--orange); }

.decision__label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--green);
  font: 800 .68rem var(--font-ui);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.decision--try .decision__label { color: var(--warn); }
.decision--reject .decision__label { color: var(--danger); }
.decision__label b { color: var(--muted); font-family: var(--font-numeric); }

.decision h3 {
  min-height: 4.5rem;
  margin: 4rem 0 1.5rem;
  font-size: clamp(1.55rem, 2.4vw, 2rem);
}

.decision ul {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-2);
  font: .88rem/1.4 var(--font-ui);
}

.decision li {
  padding: .65rem 0;
  border-top: 1px solid var(--border);
}

.decision li::before {
  content: "→";
  display: inline-block;
  width: 1.5rem;
  color: var(--blue);
}

.decision__why {
  margin: auto 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.5;
}

.boundary-note {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  border-left: 5px solid var(--blue);
  background: var(--surface-2);
  color: var(--text-2);
  font-size: .92rem;
}

.boundary-note strong {
  color: var(--text);
  font-family: var(--font-ui);
}

.boundary-note p { margin: 0; }

.section--ink {
  width: 100%;
  max-width: none;
  padding-left: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  padding-right: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  background: #151b24;
  color: #e7edf1;
}

[data-theme="dark"] .section--ink { background: #0b0f13; }
.section--ink .section-dek { color: #aeb8c0; }
.section--ink h2,
.section--ink h3 { color: #f5f7f8; }
.section--ink .kicker { color: var(--sky); }

.ladder-figure {
  margin: 0;
}

.ladder-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  margin: 0 0 .7rem 5.5rem;
  color: #96a2ab;
  font: 700 .64rem var(--font-ui);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ladder-head i {
  height: 1px;
  background: linear-gradient(to right, var(--sky), var(--green));
}

.evidence-ladder {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #46515b;
}

.evidence-ladder li {
  display: grid;
  grid-template-columns: 3.5rem minmax(14rem, 1.1fr) minmax(12rem, .8fr) minmax(9rem, .55fr);
  gap: 1.5rem;
  align-items: center;
  min-height: 6.7rem;
  padding: 1rem 1.25rem;
  border-right: 1px solid #46515b;
  border-bottom: 1px solid #46515b;
  border-left: .35rem solid var(--sky);
}

.evidence-ladder li:nth-child(2) { border-left-color: color-mix(in srgb, var(--sky) 75%, var(--green)); }
.evidence-ladder li:nth-child(3) { border-left-color: color-mix(in srgb, var(--sky) 50%, var(--green)); }
.evidence-ladder li:nth-child(4) { border-left-color: color-mix(in srgb, var(--sky) 25%, var(--green)); }
.evidence-ladder li:nth-child(5),
.evidence-ladder li:nth-child(6) { border-left-color: var(--green); background: #17272a; }
.evidence-ladder li:nth-child(7) { border-left-color: var(--amber); border-style: dashed; background: #20242a; }

.ladder__number {
  color: #8d99a2;
  font: 650 .7rem var(--font-numeric);
}

.evidence-ladder h3 {
  margin: 0 0 .25rem;
  font: 750 1.15rem var(--font-ui);
}

.evidence-ladder p {
  margin: 0;
  color: #bfc8ce;
  font-size: .88rem;
  line-height: 1.45;
}

.ladder__examples {
  color: #f0f4f6;
  font: 650 .76rem/1.45 var(--font-ui);
}

.evidence-ladder small {
  justify-self: end;
  color: #98a4ac;
  font: 650 .65rem/1.3 var(--font-ui);
  letter-spacing: .04em;
  text-align: right;
  text-transform: uppercase;
}

.ladder__open .ladder__examples { color: var(--yellow); }

.ladder-figure figcaption {
  max-width: 59rem;
  margin: 1rem 0 0 auto;
  color: #9fabb3;
  font-size: .78rem;
}

.frontier-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(24rem, .95fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  margin-top: clamp(5rem, 9vw, 8rem);
}

.frontier-copy h3,
.failure-copy h3 {
  margin: .55rem 0 1.25rem;
  font-size: clamp(2rem, 4vw, 3.6rem);
  letter-spacing: -.035em;
}

.frontier-copy > p:not(.kicker),
.failure-copy > p:not(.kicker) {
  color: #bdc7cd;
}

.claim-update {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
  margin-top: 2rem;
}

.claim-update > div {
  padding: 1rem;
  border: 1px solid #46515b;
}

.claim-update > div:last-child { border-color: var(--green); background: #17272a; }

.claim-update span {
  color: #93a0a9;
  font: 750 .63rem var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.claim-update p {
  margin: 1.75rem 0 0;
  color: #dce2e6;
  font-size: .84rem;
  line-height: 1.45;
}

.claim-update > i {
  align-self: center;
  color: var(--sky);
  font: normal 700 1rem var(--font-ui);
}

.agreement-chart {
  margin: 0;
  padding: 2rem;
  border: 1px solid #46515b;
  background: #1b222b;
}

.agreement-chart figcaption {
  margin: 0 0 2rem;
  color: #edf2f4;
  font: 750 .72rem var(--font-ui);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.agreement-row {
  display: grid;
  grid-template-columns: 8rem 1fr 4rem;
  gap: .75rem;
  align-items: center;
  margin-bottom: 1.35rem;
}

.agreement-row > span {
  color: #b2bdc4;
  font: 650 .7rem/1.3 var(--font-ui);
}

.agreement-track {
  height: 2.15rem;
  background: #29333d;
  border-bottom: 1px solid #66717a;
}

.agreement-track i {
  display: block;
  width: var(--value);
  height: 100%;
  background: var(--green);
}

.agreement-row:nth-of-type(2) .agreement-track i { background: var(--sky); }
.agreement-row--rule .agreement-track i { background: var(--gray); }

.agreement-row b {
  color: #f5f7f8;
  font: 750 1.05rem var(--font-numeric);
}

.agreement-chart small {
  display: block;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #46515b;
  color: #93a0a9;
  font: .65rem/1.45 var(--font-ui);
}

.failure-figure {
  display: grid;
  grid-template-columns: minmax(17rem, .7fr) minmax(30rem, 1.3fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  margin: clamp(5rem, 9vw, 8rem) 0 0;
  padding-top: clamp(4rem, 7vw, 6rem);
  border-top: 1px solid #46515b;
}

.failure-chart { min-width: 0; }

.failure-bar {
  display: flex;
  width: 100%;
  height: 6rem;
  overflow: hidden;
  border: 1px solid #77828a;
}

.failure-bar > i {
  display: flex;
  flex: var(--share) 1 0;
  align-items: flex-end;
  min-width: 0;
  padding: .55rem;
  color: #101419;
  font-style: normal;
}

.failure-bar span {
  font: 750 .72rem var(--font-numeric);
}

.failure--runtime { background: var(--sky); }
.failure--interaction { background: var(--amber); }
.failure--data { background: var(--green); }
.failure--presentation { background: var(--pink); }
.failure--analysis { background: var(--gray); }

.failure-legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .7rem 1.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.failure-legend li {
  display: grid;
  grid-template-columns: .65rem 1fr auto;
  gap: .6rem;
  align-items: center;
  color: #bcc5cb;
  font: .72rem var(--font-ui);
}

.failure-legend i { width: .65rem; height: .65rem; }
.failure-legend b { color: #f1f4f5; font-family: var(--font-numeric); }

.figure-note {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid #46515b;
  color: #95a1a9;
  font: .68rem/1.45 var(--font-ui);
}

.mechanism-map {
  border-top: 1px solid var(--rule);
}

.mechanism-map article {
  display: grid;
  grid-template-columns: minmax(17rem, 1.15fr) minmax(12rem, .7fr) minmax(12rem, .7fr);
  gap: 1.5rem;
  align-items: start;
  padding: 1.5rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  border-left: 5px solid var(--sky);
  background: var(--surface);
}

.mechanism-map article:nth-child(2) { border-left-color: var(--pink); }
.mechanism-map article:nth-child(3) { border-left-color: var(--amber); }
.mechanism-map article:nth-child(4) { border-left-color: var(--green); }
.mechanism-map article:nth-child(5) { border-left-color: var(--blue); }

.mechanism__verb {
  margin: 0 0 .25rem;
  color: var(--blue);
  font: 800 .64rem var(--font-ui);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.mechanism-map h3 {
  margin: 0 0 .55rem;
  font: 750 1.25rem var(--font-ui);
}

.mechanism-map article > div > p:last-child,
.mechanism__evidence,
.mechanism__limit {
  margin: 0;
  color: var(--text-2);
  font-size: .84rem;
  line-height: 1.48;
}

.mechanism__evidence b {
  display: block;
  margin-bottom: .25rem;
  color: var(--success);
  font: 800 .65rem var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.mechanism__limit {
  padding-left: 1rem;
  border-left: 1px solid var(--rule);
  color: var(--muted);
}

.agent-count {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 0;
  margin-top: 4.5rem;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.agent-count > div { padding: 1.5rem; }
.agent-count > div + div { border-left: 1px solid var(--rule); }

.agent-count h3 {
  margin: .55rem 0 0;
  font-size: 1.75rem;
}

.agent-count__yes { border-top: 5px solid var(--green); }
.agent-count__no { border-top: 5px solid var(--orange); }

.agent-count__yes span,
.agent-count__no span {
  font: 800 .67rem var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.agent-count__yes span { color: var(--success); }
.agent-count__no span { color: var(--danger); }

.agent-count__yes p,
.agent-count__no p {
  margin: 4rem 0 0;
  color: var(--text-2);
  font-size: .9rem;
  line-height: 1.5;
}

.section--catalog {
  width: 100%;
  max-width: none;
  padding-left: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  padding-right: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  background: var(--surface-2);
}

.catalog-controls {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  margin: -1.25rem 0 2rem 5.5rem;
  font: 700 .68rem var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.catalog-controls > span { margin-right: .5rem; color: var(--muted); }

.catalog-controls button {
  padding: .5rem .75rem;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--text-2);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}

.catalog-controls button:hover,
.catalog-controls button.is-active {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.offering-grid {
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.offering-grid__head,
.offering {
  display: grid;
  grid-template-columns: minmax(13rem, .95fr) minmax(17rem, 1.25fr) minmax(15rem, 1fr) minmax(15rem, 1fr) minmax(7.75rem, .4fr);
}

.offering-grid__head {
  color: var(--muted);
  background: var(--surface-2);
  font: 800 .62rem/1.35 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.offering-grid__head > *,
.offering > * {
  min-width: 0;
  margin: 0;
  padding: 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.offering {
  position: relative;
  background: var(--surface);
}

.offering[hidden] { display: none; }

.offering--feature {
  background: color-mix(in srgb, var(--sky) 9%, var(--surface));
  box-shadow: inset .35rem 0 var(--blue);
}

.offering header {
  display: flex;
  grid-column: 1;
  grid-row: 1;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: .4rem;
  border-bottom: 0;
  color: var(--muted);
  font: 700 .64rem var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.evidence {
  display: inline-block;
  padding: .15rem .42rem;
  border: 1px solid currentColor;
}

.evidence--a { color: var(--success); }
.evidence--b { color: var(--accent); }
.evidence--c { color: var(--warn); }
.evidence--d { color: var(--muted); }

.offering__type {
  grid-column: 1;
  grid-row: 2;
  padding-top: .2rem;
  padding-bottom: .25rem;
  border-bottom: 0;
  color: var(--blue);
  font: 800 .64rem/1.35 var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.offering h3 {
  grid-column: 1;
  grid-row: 3;
  padding-top: .35rem;
  font-size: 1.22rem;
  line-height: 1.2;
}

.offering__mechanism {
  grid-column: 2;
  grid-row: 1 / span 3;
  color: var(--text-2);
  font-size: .78rem;
  line-height: 1.5;
}

.offering__finding,
.offering__limit {
  grid-row: 1 / span 3;
  color: var(--muted);
  font: .77rem/1.45 var(--font-ui);
}

.offering__finding { grid-column: 3; }
.offering__limit { grid-column: 4; }

.offering__finding b,
.offering__limit b {
  display: block;
  margin-bottom: .45rem;
  color: var(--text);
  font-size: .64rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.offering > a {
  display: flex;
  grid-column: 5;
  grid-row: 1 / span 3;
  align-items: flex-start;
  color: var(--blue);
  font: 800 .68rem var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.skill-ladder {
  display: grid;
  grid-template-columns: .7fr 1.8fr;
  gap: 2rem;
  margin-top: clamp(4rem, 8vw, 7rem);
  padding: 2rem;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.skill-ladder h3 {
  margin: .55rem 0 0;
  font-size: 2rem;
}

.section--gaps {
  width: 100%;
  max-width: none;
  padding-left: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  padding-right: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  background: var(--surface-2);
}

.gap-ledger {
  margin-top: 2.5rem;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.gap-ledger__head,
.gap-ledger > article {
  display: grid;
  grid-template-columns: minmax(10rem, .8fr) minmax(17rem, 1.35fr) minmax(17rem, 1.35fr) minmax(8rem, .55fr);
}

.gap-ledger__head {
  color: var(--muted);
  font: 800 .62rem/1.35 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.gap-ledger__head > *,
.gap-ledger > article > * {
  min-width: 0;
  margin: 0;
  padding: 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.gap-ledger > article { background: var(--surface); }
.gap-ledger h3 { font: 800 .84rem/1.35 var(--font-ui); }
.gap-ledger p { color: var(--text-2); font-size: .78rem; line-height: 1.5; }

.gap-status {
  color: var(--muted);
  font: 800 .62rem/1.4 var(--font-ui);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.gap-status--partial { color: var(--success); }
.gap-status--negative { color: var(--danger); }
.gap-status--open { color: var(--accent); }

.gap-rule {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: 2rem;
  margin: 2rem 0 0 auto;
  padding: 1.5rem;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.gap-rule strong { font: 800 .72rem/1.4 var(--font-ui); text-transform: uppercase; letter-spacing: .05em; }
.gap-rule p { margin: 0; color: var(--text-2); font-size: .88rem; line-height: 1.55; }

.skill-ladder ol {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  align-items: stretch;
  gap: .35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.skill-ladder li {
  display: flex;
  min-height: 9rem;
  flex-direction: column;
  justify-content: flex-end;
  padding: .65rem;
  border: 1px solid var(--rule);
  border-top: 5px solid var(--green);
  background: var(--surface-2);
}

.skill-ladder li:nth-child(1) { opacity: .62; }
.skill-ladder li:nth-child(2) { opacity: .7; }
.skill-ladder li:nth-child(3) { opacity: .78; }
.skill-ladder li:nth-child(4) { opacity: .86; }
.skill-ladder li:nth-child(5) { opacity: .94; }

.skill-ladder li::before {
  content: counter(list-item, decimal-leading-zero);
  margin-bottom: auto;
  color: var(--muted);
  font: .62rem var(--font-numeric);
}

.skill-ladder li span {
  font: 800 .68rem var(--font-ui);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.skill-ladder li small {
  margin-top: .35rem;
  color: var(--muted);
  font: .6rem/1.35 var(--font-ui);
}

.skill-ladder .skill-ladder__gap {
  border-style: dashed;
  border-top-color: var(--amber);
  background: transparent;
  opacity: 1;
}

.skill-ladder > p {
  grid-column: 2;
  max-width: 58rem;
  margin: 0;
  color: var(--muted);
  font-size: .84rem;
}

.fit-matrix {
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.fit-matrix__head,
.fit-matrix article {
  display: grid;
  grid-template-columns: minmax(13rem, .75fr) minmax(14rem, 1fr) minmax(14rem, 1fr) minmax(9rem, .5fr);
  gap: 1.5rem;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  border-left: .35rem solid var(--sky);
  background: var(--surface);
}

.fit-matrix__head {
  gap: 1.5rem;
  padding: .8rem 1.5rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  background: var(--surface-2);
  font: 800 .62rem/1.35 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.fit-matrix article:nth-child(2) { border-left-color: var(--amber); }
.fit-matrix article:nth-child(3) { border-left-color: var(--pink); }
.fit-matrix article:nth-child(4) { border-left-color: var(--blue); }
.fit-matrix article:nth-child(5) { border-left-color: var(--green); }
.fit-matrix article:nth-child(6) { border-left-color: var(--gray); }

.fit__environment {
  display: block;
}

.fit__environment h3 {
  margin: 0;
  font: 750 1.15rem/1.25 var(--font-ui);
}

.fit__invest,
.fit__human {
  margin: 0;
  color: var(--text-2);
  font-size: .8rem;
  line-height: 1.45;
}

.fit__invest b,
.fit__human b {
  display: block;
  margin-bottom: .25rem;
  color: var(--muted);
  font: 750 .62rem var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.fit__exemplar {
  justify-self: end;
  color: var(--blue);
  font: 750 .67rem/1.35 var(--font-ui);
  text-align: right;
}

.section--vizier {
  width: 100%;
  max-width: none;
  padding-left: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  padding-right: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
}

.vizier-assessment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.assessment-card {
  min-height: 31rem;
  padding: 1.6rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
  box-shadow: inset 0 .35rem var(--gray);
}

.assessment-card--helps { box-shadow: inset 0 .35rem var(--green); }
.assessment-card--hurts { box-shadow: inset 0 .35rem var(--orange); }
.assessment-card--gaps { box-shadow: inset 0 .35rem var(--amber); }
.assessment-card--helps .assessment-card__state { color: var(--success); }
.assessment-card--hurts .assessment-card__state { color: var(--danger); }
.assessment-card--gaps .assessment-card__state { color: var(--warn); }

.assessment-card h3 {
  margin: 3.5rem 0 1.25rem;
  font-size: 1.75rem;
  line-height: 1.15;
}

.assessment-card > p:not(.assessment-card__state) {
  color: var(--text-2);
  font-size: .88rem;
  line-height: 1.55;
}

.current-posture {
  margin-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.current-posture > div {
  display: grid;
  grid-template-columns: minmax(17rem, 1fr) minmax(11rem, .45fr) minmax(23rem, 1.25fr);
  gap: 1.5rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.current-posture__head {
  color: var(--muted);
  font: 800 .64rem var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.current-posture b { font: 750 .84rem/1.4 var(--font-ui); }
.current-posture p { margin: 0; color: var(--text-2); font-size: .8rem; line-height: 1.45; }
.posture { font: 800 .66rem var(--font-ui); letter-spacing: .05em; text-transform: uppercase; }
.posture--keep { color: var(--success); }
.posture--expand, .posture--test { color: var(--warn); }
.posture--revise { color: var(--danger); }

.section--evolution {
  width: 100%;
  max-width: none;
  padding-left: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  padding-right: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  background: var(--surface-2);
}

.target-spine {
  display: grid;
  grid-template-columns: repeat(9, auto);
  align-items: stretch;
  gap: .45rem;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.target-spine article {
  display: flex;
  width: min(14vw, 11.25rem);
  min-height: 16rem;
  flex-direction: column;
  padding: 1rem;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.target-spine article:nth-of-type(2),
.target-spine article:nth-of-type(4) { border-color: color-mix(in srgb, var(--blue) 60%, var(--rule)); }
.target-spine article:last-of-type { border-color: color-mix(in srgb, var(--green) 65%, var(--rule)); }

.target-spine article > span {
  color: var(--blue);
  font: 800 .61rem/1.35 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.target-spine h3 { margin: 2.5rem 0 .75rem; font: 750 .92rem/1.3 var(--font-ui); }
.target-spine p { margin: auto 0 0; color: var(--muted); font-size: .7rem; line-height: 1.45; }
.target-spine > i { align-self: center; color: var(--blue); font: normal 800 .85rem var(--font-ui); }

.context-router {
  display: grid;
  grid-template-columns: minmax(17rem, .7fr) minmax(40rem, 1.3fr);
  gap: clamp(2rem, 5vw, 5rem);
  margin-bottom: clamp(4rem, 8vw, 7rem);
  padding-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--rule);
}

.context-router__intro h3 { margin: .55rem 0 1rem; font-size: 2rem; }
.context-router__intro > p:last-child { color: var(--text-2); font-size: .9rem; }
.context-router__routes { border-top: 1px solid var(--rule); }
.context-router__routes article {
  display: grid;
  grid-template-columns: minmax(10rem, .45fr) minmax(18rem, 1fr) minmax(14rem, .8fr);
  gap: 1.25rem;
  padding: 1rem 1.15rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  border-left: .35rem solid var(--sky);
  background: var(--surface);
}

.context-router__routes article:nth-child(2) { border-left-color: var(--amber); }
.context-router__routes article:nth-child(3) { border-left-color: var(--green); }
.context-router__routes article:nth-child(4) { border-left-color: var(--pink); }
.context-router__routes article:nth-child(5) { border-left-color: var(--blue); }
.context-router__routes h4 { margin: 0; font: 750 .88rem/1.35 var(--font-ui); }
.context-router__routes p { margin: 0; color: var(--text-2); font-size: .76rem; line-height: 1.45; }
.context-router__routes small { color: var(--muted); font: .66rem/1.45 var(--font-ui); }

.section--tests {
  width: 100%;
  max-width: none;
  padding-left: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  padding-right: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  background: color-mix(in srgb, var(--blue) 7%, var(--surface-2));
}

.experiment-sequence {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0 0 2rem;
  padding: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  list-style: none;
}

.experiment-sequence li {
  min-height: 10rem;
  padding: 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.experiment-sequence b { display: block; color: var(--blue); font: 800 .68rem var(--font-ui); text-transform: uppercase; }
.experiment-sequence span { display: block; margin-top: 2rem; color: var(--text-2); font-size: .75rem; line-height: 1.45; }

.experiment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.experiment-grid > article {
  min-height: 30rem;
  padding: 1.75rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.experiment-grid header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--blue);
  font: 800 .68rem var(--font-ui);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.experiment-grid header b { color: var(--muted); }

.experiment-grid h3 {
  margin: 4rem 0 1rem;
  font-size: 2rem;
}

.experiment-grid > article > p {
  max-width: 35rem;
  color: var(--text-2);
  font-size: .96rem;
}

.experiment-grid dl {
  margin: 2rem 0 0;
}

.experiment-grid dl > div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  padding: .75rem 0;
  border-top: 1px solid var(--border);
  font: .76rem/1.45 var(--font-ui);
}

.experiment-grid dt {
  color: var(--muted);
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.experiment-grid dd { margin: 0; color: var(--text-2); }

.section--method { border-bottom: 0; }

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.method-grid article {
  min-height: 15rem;
  padding: 1.25rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.method-grid span {
  color: var(--blue);
  font: 800 .65rem var(--font-ui);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.method-grid p {
  margin: 4rem 0 0;
  color: var(--text-2);
  font-size: .82rem;
  line-height: 1.5;
}

.source-index {
  margin-top: 2rem;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.source-index summary {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  color: var(--text);
  font: 800 .76rem var(--font-ui);
  letter-spacing: .05em;
  text-transform: uppercase;
  cursor: pointer;
}

.source-index summary span { color: var(--muted); font-weight: 650; }

.source-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
}

.source-columns > div { padding: 1.5rem; }
.source-columns > div + div { border-left: 1px solid var(--rule); }

.source-columns h3 {
  margin: 0 0 1rem;
  font: 800 .7rem var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.source-columns ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-columns li {
  padding: .55rem 0;
  border-top: 1px solid var(--border);
  font: .75rem/1.4 var(--font-ui);
}

.source-columns a { color: var(--text-2); }

.colophon {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 5rem;
  padding: 1.5rem 0 0;
  border-color: var(--rule);
}

.colophon p { margin: 0; }
.colophon code { overflow-wrap: anywhere; }

.timeline-conclusion {
  display: grid;
  grid-template-columns: minmax(12rem, .38fr) minmax(28rem, 1.62fr);
  gap: 1.5rem;
  padding: 1.15rem 1.25rem;
  border-left: 5px solid var(--amber);
  background: var(--surface-2);
}

.timeline-conclusion strong {
  font: 800 .7rem/1.4 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.timeline-conclusion p {
  margin: 0;
  color: var(--text-2);
  font-size: .86rem;
}

.milestone-map {
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--surface);
}

.milestone-map figcaption {
  display: grid;
  grid-template-columns: minmax(12rem, .38fr) minmax(28rem, 1.62fr);
  gap: 1.5rem;
  padding: 1.15rem 1.25rem;
  border-left: 5px solid var(--amber);
  background: var(--surface-2);
}

.milestone-map figcaption strong {
  font: 800 .7rem/1.4 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.milestone-map figcaption span {
  color: var(--text-2);
  font-size: .86rem;
}

.milestone-key {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  padding: .85rem 1.25rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  color: var(--text-2);
  font: 700 .68rem/1.3 var(--font-ui);
}

.milestone-key span { display: inline-flex; align-items: center; gap: .45rem; }
.key-swatch { width: 1.25rem; height: .28rem; background: var(--sky); }
.key-swatch--system { background: var(--green); }
.key-swatch--benchmark { background: var(--pink); }

.milestone-axis,
.milestone-lane {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
}

.milestone-axis > span { border-right: 1px solid var(--rule); }

.milestone-axis > div {
  position: relative;
  height: 3rem;
  border-bottom: 1px solid var(--rule);
}

.milestone-axis b {
  position: absolute;
  bottom: .8rem;
  left: var(--x);
  color: var(--muted);
  font: 800 .6rem/1 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
  transform: translateX(-50%);
  white-space: nowrap;
}

.milestone-axis b:first-child { transform: none; }
.milestone-axis .axis-end { transform: translateX(-100%); }

.milestone-lane {
  --lane-accent: var(--sky);
  border-bottom: 1px solid var(--rule);
}

.milestone-lane--system { --lane-accent: var(--green); }
.milestone-lane--benchmark { --lane-accent: var(--pink); border-bottom: 0; }

.milestone-lane > header {
  padding: 1rem;
  border-right: 1px solid var(--rule);
  background: var(--surface-2);
}

.milestone-lane > header span {
  color: var(--lane-accent);
  font: 800 .64rem var(--font-numeric);
}

.milestone-lane > header h3 {
  margin: 1.6rem 0 .6rem;
  font-size: 1.02rem;
  line-height: 1.15;
}

.milestone-lane > header p {
  margin: 0;
  color: var(--muted);
  font: .67rem/1.4 var(--font-ui);
}

.milestone-track {
  position: relative;
  min-width: 0;
  height: 14.5rem;
  overflow: hidden;
  background-image: linear-gradient(to right, color-mix(in srgb, var(--rule) 52%, transparent) 1px, transparent 1px);
  background-size: 20% 100%;
}

.milestone-track::before {
  position: absolute;
  top: 1.45rem;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--rule);
  content: "";
}

.milestone-track ol {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.milestone-track li {
  position: absolute;
  top: 0;
  left: var(--x);
  width: 0;
}

.milestone-node {
  position: absolute;
  top: 1.05rem;
  left: -.42rem;
  width: .82rem;
  height: .82rem;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--lane-accent);
  box-shadow: 0 0 0 1px var(--lane-accent);
}

.milestone-event {
  position: absolute;
  top: 2.55rem;
  left: 0;
  width: 13.25rem;
  padding-top: .7rem;
  border-top: .25rem solid var(--lane-accent);
  transform: translateX(var(--shift));
}

.milestone-event time {
  display: block;
  color: var(--muted);
  font: 800 .61rem/1.3 var(--font-ui);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.milestone-event > b {
  display: block;
  margin-top: 1rem;
  font: 750 .83rem/1.35 var(--font-ui);
  overflow-wrap: anywhere;
}

.milestone-event > p {
  margin: .6rem 0 0;
  color: var(--text-2);
  font-size: .7rem;
  line-height: 1.42;
}

.timeline-conclusion {
  margin-top: 1.25rem;
  border-left-color: var(--blue);
}

.section--benchmarks { background: var(--surface); }

.benchmark-ladder {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  margin: 0 0 2.5rem;
  padding: 0;
  border: 1px solid var(--rule);
  list-style: none;
}

.benchmark-ladder li {
  min-width: 0;
  padding: 1rem;
  border-right: 1px solid var(--rule);
}

.benchmark-ladder li:last-child { border-right: 0; }
.benchmark-ladder span { color: var(--pink); font: 800 .62rem/1 var(--font-numeric); }
.benchmark-ladder h3 { margin: 1.8rem 0 .55rem; font-size: .86rem; line-height: 1.2; }
.benchmark-ladder p { margin: 0; color: var(--muted); font: .65rem/1.42 var(--font-ui); }

.benchmark-families { border-top: 1px solid var(--rule); }

.benchmark-families__head,
.benchmark-families article {
  display: grid;
  grid-template-columns: 1fr 1.45fr 1.35fr 1.45fr;
}

.benchmark-families__head {
  color: var(--muted);
  font: 800 .6rem/1.3 var(--font-ui);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.benchmark-families__head span,
.benchmark-families article > * {
  min-width: 0;
  padding: .8rem 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.benchmark-families__head span:last-child,
.benchmark-families article > *:last-child { border-right: 0; }

.benchmark-families article > div span {
  color: var(--blue);
  font: 800 .58rem/1 var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.benchmark-families article h3 { margin: 1.5rem 0 0; font-size: 1rem; line-height: 1.2; }
.benchmark-families article p { margin: 0; color: var(--text-2); font-size: .73rem; line-height: 1.5; }
.benchmark-families article a { color: var(--text); text-decoration-color: var(--rule); }

.benchmark-construction {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 3rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.benchmark-construction article { padding: 1.2rem; }
.benchmark-construction article + article { border-left: 1px solid var(--rule); }
.benchmark-construction span { color: var(--muted); font: 800 .6rem/1.3 var(--font-ui); letter-spacing: .05em; text-transform: uppercase; }
.benchmark-construction h3 { margin: 1.8rem 0 .7rem; font-size: 1.02rem; line-height: 1.25; }
.benchmark-construction p { margin: 0; color: var(--text-2); font-size: .75rem; line-height: 1.5; }

.benchmark-conclusion {
  display: grid;
  grid-template-columns: minmax(12rem, .38fr) minmax(28rem, 1.62fr);
  gap: 1.5rem;
  margin-top: 1.25rem;
  padding: 1.15rem 1.25rem;
  border-left: 5px solid var(--pink);
  background: var(--surface-2);
}

.benchmark-conclusion strong { font: 800 .7rem/1.4 var(--font-ui); letter-spacing: .06em; text-transform: uppercase; }
.benchmark-conclusion p { margin: 0; color: var(--text-2); font-size: .86rem; }

.section--baseline { background: var(--surface-2); }

.trend-layout {
  display: grid;
  grid-template-columns: minmax(18rem, .72fr) minmax(36rem, 1.28fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.trend-explainer h3 {
  margin: .55rem 0 1.2rem;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.03;
  letter-spacing: -.035em;
}

.trend-explainer > p:not(.kicker) { color: var(--text-2); }

.trend-explainer aside {
  display: grid;
  gap: .45rem;
  margin-top: 2rem;
  padding: 1rem;
  border-left: .3rem solid var(--amber);
  background: var(--surface);
}

.trend-explainer aside strong,
.trend-slice header,
.scaffold-evidence__state {
  font: 800 .66rem/1.35 var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.trend-explainer aside span { color: var(--text-2); font-size: .82rem; }

.trend-slices {
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.trend-slice {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.trend-slice header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--blue);
}

.trend-slice header b { color: var(--muted); }

.trend-slice h3 {
  max-width: 28ch;
  margin: 2.5rem 0 1.5rem;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.05;
}

.metric-reading-guide {
  margin: 0;
  padding: 1rem 1.25rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--sky) 7%, var(--surface));
  color: var(--text-2);
  font: .76rem/1.48 var(--font-ui);
}

.metric-reading-guide strong { color: var(--text); }
.metric-pairs { border-top: 1px solid var(--rule); }

.metric-pair {
  padding: .9rem 0 .75rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-ui);
}

.metric-pair > header,
.metric-pair > footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}

.metric-pair > header > span:first-child {
  color: var(--text-2);
  font-size: .78rem;
  font-weight: 750;
}

.metric-pair > header small {
  display: block;
  margin-top: .18rem;
  color: var(--muted);
  font-size: .62rem;
  font-weight: 500;
}

.metric-values {
  display: inline-flex;
  gap: .5rem;
  align-items: baseline;
  white-space: nowrap;
}

.metric-values b { color: var(--muted); font-size: .74rem; }
.metric-values i { color: var(--blue); font-style: normal; }
.metric-values strong { font-size: .82rem; }

.metric-track {
  position: relative;
  height: 2.1rem;
  margin-top: .55rem;
}

.metric-track::before {
  position: absolute;
  top: .95rem;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--rule);
  content: "";
}

.metric-track > i {
  position: absolute;
  top: .88rem;
  left: var(--before);
  width: calc(var(--after) - var(--before));
  height: .18rem;
  background: var(--blue);
}

.metric-track > span,
.metric-track > b {
  position: absolute;
  top: .57rem;
  width: .82rem;
  height: .82rem;
  border-radius: 50%;
  transform: translateX(-50%);
}

.metric-track > span {
  left: var(--before);
  border: 2px solid var(--blue);
  background: var(--surface);
}

.metric-track > b {
  left: var(--after);
  border: 2px solid var(--surface);
  background: var(--blue);
  box-shadow: 0 0 0 1px var(--blue);
}

.metric-pair > footer { color: var(--muted); font-size: .6rem; }
.metric-pair > footer strong { color: var(--green); font-size: .66rem; }

.trend-slice__note {
  margin: 1.2rem 0 0;
  color: var(--muted);
  font: .72rem/1.5 var(--font-ui);
}

.scaffold-evidence {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.scaffold-evidence article {
  padding: 1.35rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.scaffold-evidence__state { color: var(--blue); }
.scaffold-evidence h3 { margin: 2.5rem 0 1rem; font-size: 1.45rem; line-height: 1.08; }
.scaffold-evidence article > p:not(.scaffold-evidence__state) { color: var(--text-2); font-size: .85rem; }
.scaffold-evidence small { display: block; margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--border); color: var(--muted); font-size: .72rem; line-height: 1.45; }

.baseline-conclusion,
.refresh-rule {
  display: grid;
  grid-template-columns: minmax(12rem, .4fr) minmax(24rem, 1.6fr);
  gap: 1.5rem;
  margin-top: 2rem;
  padding: 1.25rem;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--sky) 8%, var(--surface));
}

.baseline-conclusion strong,
.refresh-rule strong { font: 800 .72rem/1.4 var(--font-ui); text-transform: uppercase; letter-spacing: .06em; }
.baseline-conclusion p,
.refresh-rule p { margin: 0; color: var(--text-2); font-size: .88rem; }

.durability-table { border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }

.durability-table > div {
  display: grid;
  grid-template-columns: minmax(11rem, 1.05fr) minmax(7rem, .55fr) minmax(13rem, 1.2fr) minmax(14rem, 1.35fr);
  align-items: stretch;
  background: var(--surface);
}

.durability-table > div > * {
  margin: 0;
  padding: 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.durability-table__head { color: var(--muted); font: 800 .65rem/1.3 var(--font-ui); letter-spacing: .06em; text-transform: uppercase; }
.durability-table > div:not(.durability-table__head) b { font: 750 .82rem/1.4 var(--font-ui); }
.durability-table p { color: var(--text-2); font-size: .78rem; line-height: 1.45; }
.durability-table small { color: var(--muted); font-size: .7rem; line-height: 1.45; }

.pressure { font: 800 .68rem/1.35 var(--font-ui); letter-spacing: .04em; text-transform: uppercase; }
.pressure--high { color: var(--pink); }
.pressure--medium { color: var(--orange); }
.pressure--low { color: var(--green); }

.baseline-arms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2rem;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.baseline-arms article { padding: 1.25rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--surface); }
.baseline-arms article span { color: var(--blue); font: 800 .65rem var(--font-ui); letter-spacing: .07em; text-transform: uppercase; }
.baseline-arms h3 { margin: 2.5rem 0 1rem; font-size: 1.55rem; }
.baseline-arms p { color: var(--text-2); font-size: .82rem; }
.baseline-arms__primary { box-shadow: inset 0 .35rem var(--blue); }

.section--forecast {
  width: 100%;
  max-width: none;
  padding-left: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  padding-right: max(2rem, calc((100vw - var(--max)) / 2 + 3rem));
  background: color-mix(in srgb, var(--green) 7%, var(--surface-2));
}

.unlock-chain {
  margin: 0 0 clamp(4rem, 8vw, 7rem);
}

.unlock-chain ol {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  list-style: none;
}

.unlock-chain li {
  position: relative;
  min-height: 14rem;
  padding: 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.unlock-chain li::after {
  position: absolute;
  top: 50%;
  right: .15rem;
  z-index: 1;
  width: .72rem;
  height: .72rem;
  border-top: 2px solid var(--blue);
  border-right: 2px solid var(--blue);
  background: var(--surface);
  content: "";
  transform: rotate(45deg);
}

.unlock-chain li:last-child::after { display: none; }
.unlock-chain li:nth-child(3) { box-shadow: inset 0 .3rem var(--amber); }
.unlock-chain li:nth-child(4) { box-shadow: inset 0 .3rem var(--pink); }
.unlock-chain li:nth-child(5) { box-shadow: inset 0 .3rem var(--blue); }
.unlock-chain li:nth-child(6) { box-shadow: inset 0 .3rem var(--green); }

.unlock-chain li > span {
  color: var(--blue);
  font: 800 .62rem var(--font-ui);
  letter-spacing: .08em;
}

.unlock-chain h3 {
  margin: 3.2rem 0 .65rem;
  font: 750 1.05rem/1.2 var(--font-ui);
}

.unlock-chain li p {
  margin: 0;
  color: var(--muted);
  font-size: .72rem;
  line-height: 1.45;
}

.unlock-chain figcaption {
  display: grid;
  grid-template-columns: minmax(12rem, .4fr) minmax(28rem, 1.6fr);
  gap: 1.5rem;
  padding: 1rem 1.2rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  border-left: 5px solid var(--amber);
  color: var(--text-2);
  background: var(--surface-2);
  font-size: .82rem;
}

.unlock-chain figcaption strong { font-family: var(--font-ui); }

.forecast-layout {
  display: grid;
  grid-template-columns: minmax(17rem, .58fr) minmax(42rem, 1.42fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.forecast-explainer h3 {
  margin: .55rem 0 1rem;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -.035em;
}

.forecast-explainer > p:not(.kicker) {
  color: var(--text-2);
  font-size: .92rem;
}

.forecast-explainer aside {
  margin-top: 2rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--blue);
  background: var(--surface);
}

.forecast-explainer aside strong {
  display: block;
  margin-bottom: .5rem;
  font: 800 .7rem var(--font-ui);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.forecast-explainer aside span {
  color: var(--text-2);
  font-size: .78rem;
  line-height: 1.5;
}

.forecast-board {
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.forecast-board__head,
.forecast-board > article {
  display: grid;
  grid-template-columns: minmax(22rem, 1fr) 6rem minmax(10rem, .52fr);
}

.forecast-board__head {
  color: var(--muted);
  background: var(--surface-2);
  font: 800 .62rem var(--font-ui);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.forecast-board__head > *,
.forecast-board > article > * {
  min-width: 0;
  margin: 0;
  padding: .9rem 1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.forecast-board > article { background: var(--surface); }
.forecast-board h3 { margin: 0 0 .3rem; font: 750 .9rem/1.25 var(--font-ui); }
.forecast-board p { margin: 0; color: var(--text-2); font-size: .72rem; line-height: 1.45; }
.forecast-board time { color: var(--muted); font: 750 .66rem/1.4 var(--font-ui); }

.forecast-probability {
  display: grid;
  grid-template-columns: 2.7rem 1fr;
  gap: .25rem .65rem;
  align-content: center;
}

.forecast-probability b { color: var(--blue); font: 800 1rem var(--font-ui); }
.forecast-probability span { align-self: center; height: .38rem; background: var(--surface-2); }
.forecast-probability i { display: block; width: var(--p); height: 100%; background: var(--blue); }
.forecast-probability small { grid-column: 1 / -1; color: var(--muted); font: .58rem var(--font-ui); }

.forecast-boundary {
  display: grid;
  grid-template-columns: minmax(15rem, .42fr) minmax(30rem, 1.58fr);
  gap: 1.5rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding: 1.2rem 1.4rem;
  border-top: 4px solid var(--text);
  border-bottom: 1px solid var(--rule);
}

.forecast-boundary strong { font: 800 .75rem/1.4 var(--font-ui); text-transform: uppercase; }
.forecast-boundary p { margin: 0; color: var(--text-2); font-size: .88rem; }

@media (max-width: 1020px) {
  .site-nav { flex-wrap: wrap; }
  .site-nav .nav-toggle { display: block; margin-left: auto; background: none; border: 1px solid var(--rule); color: var(--text-2); padding: .35rem .65rem; font: inherit; font-size: .78rem; }
  .site-nav .nav-links { display: none; order: 4; flex-basis: 100%; flex-direction: column; padding-top: .5rem; }
  .site-nav .nav-links.open { display: flex; }
}

@media (max-width: 1100px) {
  .benchmark-ladder { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .benchmark-ladder li { border-bottom: 1px solid var(--rule); }
  .goal-modes { grid-template-columns: repeat(3, 1fr); }
  .object-grid { grid-template-columns: repeat(3, 1fr); }
  .offering-grid { grid-template-columns: repeat(2, 1fr); }
  .target-spine { grid-template-columns: repeat(5, 1fr); }
  .target-spine > i { display: none; }
  .target-spine article { width: auto; }
  .skill-ladder { grid-template-columns: 1fr; }
  .skill-ladder ol { grid-template-columns: repeat(4, 1fr); }
  .skill-ladder > p { grid-column: 1; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .unlock-chain ol { grid-template-columns: repeat(3, 1fr); }
  .unlock-chain li:nth-child(3)::after { display: none; }
}

@media (max-width: 900px) {
  .benchmark-families__head { display: none; }
  .benchmark-families article { grid-template-columns: repeat(2, minmax(0, 1fr)); border-bottom: 4px solid var(--rule); }
  .benchmark-families article > * { border-right: 1px solid var(--rule); }
  .benchmark-families article > :nth-child(2n) { border-right: 0; }
  .benchmark-families article p::before { display: block; margin-bottom: .55rem; color: var(--muted); content: attr(data-label); font: 800 .58rem/1.3 var(--font-ui); letter-spacing: .05em; text-transform: uppercase; }
  .trend-layout { grid-template-columns: 1fr; }
  .forecast-layout { grid-template-columns: 1fr; }
  .scaffold-evidence { grid-template-columns: 1fr; }
  .durability-table__head { display: none !important; }
  .durability-table > div { grid-template-columns: minmax(14rem, 1fr) minmax(10rem, .55fr); }
  .durability-table p,
  .durability-table small { grid-column: 1 / -1; }
  .object-grid { grid-template-columns: repeat(2, 1fr); }
  .goal-framework,
  .ecosystem-explainer,
  .paper-primer,
  .glossary,
  .context-router { grid-template-columns: 1fr; }
  .goal-modes { grid-template-columns: repeat(2, 1fr); }
  .flow-main { grid-template-columns: repeat(4, 1fr); }
  .flow-main > i { display: none; }
  .flow-main article { width: auto; }
  .paper-primer__intro { position: static; }
  .decision-bands { grid-template-columns: 1fr; }
  .decision { min-height: 0; }
  .decision h3 { min-height: 0; margin-top: 2.5rem; }
  .decision__why { margin-top: 2rem; }
  .evidence-ladder li { grid-template-columns: 2.5rem 1fr; gap: .75rem 1rem; }
  .ladder__examples { grid-column: 2; }
  .evidence-ladder small { grid-column: 2; justify-self: start; text-align: left; }
  .frontier-grid,
  .failure-figure { grid-template-columns: 1fr; }
  .mechanism-map article { grid-template-columns: 1fr; }
  .mechanism__evidence,
  .mechanism__limit { grid-column: 1; }
  .mechanism__limit { padding: .8rem 0 0; border-top: 1px solid var(--rule); border-left: 0; }
  .agent-count { grid-template-columns: 1fr; }
  .agent-count > div + div { border-top: 1px solid var(--rule); border-left: 0; }
  .agent-count__yes p,
  .agent-count__no p { margin-top: 2rem; }
  .fit-matrix article { grid-template-columns: 1fr 1fr; }
  .fit__environment { grid-column: 1 / -1; }
  .fit__exemplar { grid-column: 1 / -1; justify-self: start; text-align: left; }
  .source-columns { grid-template-columns: 1fr; }
  .source-columns > div + div { border-top: 1px solid var(--rule); border-left: 0; }
  .vizier-assessment-grid { grid-template-columns: 1fr; }
  .assessment-card { min-height: 0; }
  .current-posture > div { grid-template-columns: minmax(14rem, 1fr) minmax(10rem, .55fr); }
  .current-posture p { grid-column: 1 / -1; }
  .experiment-sequence { grid-template-columns: repeat(3, 1fr); }

  .comparison-table__head,
  .synthesis-matrix__head,
  .offering-grid__head,
  .gap-ledger__head,
  .fit-matrix__head { display: none; }

  .gap-ledger > article {
    display: block;
    border-right: 1px solid var(--rule);
    border-bottom: 4px solid var(--rule);
  }

  .gap-ledger > article > * {
    display: grid;
    grid-template-columns: 7rem 1fr;
    gap: .8rem;
    border-right: 0;
  }

  .gap-ledger > article > *::before {
    content: attr(data-label);
    color: var(--muted);
    font: 800 .6rem/1.35 var(--font-ui);
    letter-spacing: .04em;
    text-transform: uppercase;
  }

  .gap-ledger h3 { display: block; }
  .gap-ledger h3::before { content: none; }
  .gap-status { display: block !important; }
  .gap-status::before { content: "Status" !important; display: block; margin-bottom: .35rem; }
  .gap-rule { grid-template-columns: 1fr; gap: .6rem; }

  .goal-modes > article {
    grid-template-columns: minmax(12rem, .8fr) minmax(18rem, 1.2fr);
  }

  .goal-modes .goal-mode__label { grid-column: 1; grid-row: 1; }
  .goal-modes h3 { grid-column: 1; grid-row: 2; }
  .goal-modes > article > p:not(.goal-mode__label) { grid-column: 2; grid-row: 1 / span 2; }
  .goal-modes dl { grid-column: 1 / -1; grid-row: 3; border-bottom: 1px solid var(--rule); }
  .goal-modes dl > div { border-top: 1px solid var(--rule); }
  .goal-modes dt { display: block; margin-bottom: .35rem; color: var(--muted); font: 750 .6rem var(--font-ui); letter-spacing: .06em; text-transform: uppercase; }

  .object-grid article { grid-template-columns: minmax(12rem, .7fr) minmax(18rem, 1.3fr); }
  .object-grid article > :nth-child(1),
  .object-grid article > :nth-child(2) { grid-column: 1; }
  .object-grid article > :nth-child(3) { grid-column: 2; grid-row: 1 / span 2; }
  .object-grid article > :nth-child(4) { grid-column: 1 / -1; }

  .synthesis-matrix article { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .synthesis-matrix h3 { grid-column: 1 / -1; }
  .synthesis-matrix p::before {
    display: block;
    margin-bottom: .55rem;
    color: var(--muted);
    font: 800 .6rem/1.35 var(--font-ui);
    letter-spacing: .06em;
    text-transform: uppercase;
  }
  .synthesis-matrix p:nth-of-type(1)::before { color: var(--success); content: "Converges"; }
  .synthesis-matrix p:nth-of-type(2)::before { color: var(--warn); content: "Depends on context"; }
  .synthesis-matrix p:nth-of-type(3)::before { color: var(--danger); content: "Poor or insufficient"; }
  .synthesis-matrix p:nth-of-type(4)::before { color: var(--blue); content: "Open"; }

  .synthesis-boundary { grid-template-columns: 1fr; }

  .offering { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .offering header { grid-column: 1; grid-row: 1; }
  .offering__type { grid-column: 1; grid-row: 2; }
  .offering h3 { grid-column: 1; grid-row: 3; }
  .offering__mechanism { grid-column: 2; grid-row: 1 / span 3; }
  .offering__finding { grid-column: 1; grid-row: 4; }
  .offering__limit { grid-column: 2; grid-row: 4; }
  .offering > a { grid-column: 1 / -1; grid-row: 5; }

  .offering__mechanism::before,
  .offering__limit::before {
    display: block;
    margin-bottom: .45rem;
    color: var(--text);
    font: 800 .6rem/1.35 var(--font-ui);
    letter-spacing: .06em;
    text-transform: uppercase;
  }
  .offering__mechanism::before { content: "Mechanism"; }
  .offering__limit::before { content: "Limit"; }

  .milestone-axis { display: none; }
  .milestone-lane { grid-template-columns: 1fr; }
  .milestone-lane > header { border-right: 0; border-bottom: 1px solid var(--rule); }
  .milestone-lane > header h3 { margin-top: 1rem; }
  .milestone-track { height: auto; min-height: 0; overflow: visible; background: none; }
  .milestone-track::before { top: 1.25rem; bottom: 1.25rem; left: 1.25rem; width: 1px; height: auto; }
  .milestone-track ol { position: static; padding: 1.1rem 1rem .1rem; }
  .milestone-track li { position: relative; top: auto; left: auto; width: auto; min-height: 0; padding: 0 0 1rem 2.1rem; }
  .milestone-node { top: .25rem; left: -.14rem; }
  .milestone-event { position: static; width: auto; padding: .2rem 0 .4rem 1rem; border-top: 0; border-left: .25rem solid var(--lane-accent); transform: none; }
  .milestone-event > b { margin-top: .65rem; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 4.5rem; }
  .site-nav .theme-button { margin-left: 0; }
  .site-nav .nav-links { order: 4; }
  .hero__inner,
  .section { width: 100%; }
  .hero__inner { padding-top: 3.5rem; }
  .hero__meta { align-items: flex-start; flex-direction: column; }
  .hero h1 { max-width: 100%; font-size: clamp(2.35rem, 10.5vw, 3.2rem); line-height: .94; overflow-wrap: break-word; }
  .hero__dek { margin-top: 2rem; }
  .hero__thesis { grid-template-columns: 1fr; }
  .hero__parts { grid-template-columns: 1fr; }
  .trend-slice header { align-items: flex-start; flex-direction: column; }
  .baseline-conclusion,
  .refresh-rule { grid-template-columns: 1fr; }
  .timeline-conclusion,
  .milestone-map figcaption,
  .benchmark-conclusion { grid-template-columns: 1fr; }
  .benchmark-ladder { grid-template-columns: 1fr; }
  .benchmark-ladder li { border-right: 0; }
  .benchmark-ladder li:last-child { border-bottom: 0; }
  .benchmark-ladder h3 { margin-top: 1rem; }
  .benchmark-families article { grid-template-columns: 1fr; }
  .benchmark-families article > *,
  .benchmark-families article > :nth-child(2n) { border-right: 0; }
  .benchmark-construction { grid-template-columns: 1fr; }
  .benchmark-construction article + article { border-top: 1px solid var(--rule); border-left: 0; }
  .metric-pair > header { align-items: flex-start; flex-direction: column; }
  .metric-values { white-space: normal; }
  .durability-table > div { grid-template-columns: 1fr; }
  .durability-table p,
  .durability-table small { grid-column: 1; }
  .baseline-arms { grid-template-columns: 1fr; }
  .unlock-chain ol { grid-template-columns: 1fr; }
  .unlock-chain li { min-height: 0; }
  .unlock-chain li::after { display: none; }
  .unlock-chain h3 { margin-top: 2rem; }
  .unlock-chain figcaption,
  .forecast-boundary { grid-template-columns: 1fr; }
  .forecast-board__head { display: none; }
  .forecast-board > article { grid-template-columns: 1fr; border-bottom: 4px solid var(--rule); }
  .forecast-board > article > * { border-right: 1px solid var(--rule); }
  .forecast-board time::before { display: block; margin-bottom: .25rem; color: var(--muted); content: "Resolution date"; font: 800 .58rem var(--font-ui); letter-spacing: .05em; text-transform: uppercase; }
  .forecast-probability::before { grid-column: 1 / -1; color: var(--muted); content: "Probability / evidentiary confidence"; font: 800 .58rem var(--font-ui); letter-spacing: .05em; text-transform: uppercase; }
  .section,
  .section--guide,
  .section--ink,
  .section--benchmarks,
  .section--forecast,
  .section--catalog,
  .section--gaps,
  .section--tests { padding-right: 1rem; padding-left: 1rem; }
  .section-heading h2 { font-size: clamp(2.25rem, 12vw, 3.5rem); }
  .part-intro { padding-right: 1rem; padding-left: 1rem; }
  .why-what-how { grid-template-columns: 1fr; }
  .why-what-how article { min-height: 0; }
  .why-what-how h3 { margin-top: 2rem; }
  .goal-modes > article,
  .object-grid article,
  .synthesis-matrix article,
  .offering { grid-template-columns: 1fr; }
  .goal-modes .goal-mode__label,
  .goal-modes h3,
  .goal-modes > article > p:not(.goal-mode__label),
  .goal-modes dl { grid-column: 1; grid-row: auto; }
  .goal-modes h3 { padding-top: .15rem; }
  .goal-modes dl { grid-template-columns: 1fr; }
  .goal-modes dl > div { border-right: 0; }
  .object-grid article > :nth-child(1),
  .object-grid article > :nth-child(2),
  .object-grid article > :nth-child(3),
  .object-grid article > :nth-child(4) { grid-column: 1; grid-row: auto; }
  .synthesis-matrix h3 { grid-column: 1; }
  .technique-note { grid-template-columns: 1fr; }
  .ecosystem-flow { padding: 1rem; }
  .flow-main { grid-template-columns: 1fr; }
  .flow-main article { min-height: 7.5rem; }
  .flow-support { grid-template-columns: repeat(2, 1fr); }
  .paper-primer__grid { grid-template-columns: 1fr; }
  .paper-primer__grid article { min-height: 0; }
  .glossary dl { grid-template-columns: 1fr; }
  .glossary dl > div { min-height: 0; }
  .boundary-note { grid-template-columns: 1fr; }
  .ladder-head { margin-left: 0; }
  .agreement-chart { padding: 1.25rem; }
  .agreement-row { grid-template-columns: 6.5rem 1fr 3.6rem; }
  .failure-figure { grid-template-columns: minmax(0, 1fr); }
  .failure-bar { height: 4.5rem; }
  .failure-bar span { writing-mode: vertical-rl; font-size: .58rem; }
  .failure-legend { grid-template-columns: 1fr; }
  .mechanism-map article { padding: 1rem; }
  .catalog-controls { margin-left: 0; }
  .offering header,
  .offering__type,
  .offering h3,
  .offering__mechanism,
  .offering__finding,
  .offering__limit,
  .offering > a { grid-column: 1; grid-row: auto; }
  .skill-ladder { padding: 1rem; }
  .skill-ladder ol { grid-template-columns: repeat(2, 1fr); }
  .gap-ledger > article > * { display: block; }
  .gap-ledger > article > *::before { display: block; margin-bottom: .4rem; }
  .fit-matrix article { grid-template-columns: 1fr; }
  .fit__environment,
  .fit__exemplar { grid-column: 1; }
  .experiment-grid { grid-template-columns: 1fr; }
  .experiment-sequence { grid-template-columns: 1fr; }
  .experiment-sequence li { min-height: 0; }
  .experiment-sequence span { margin-top: .75rem; }
  .target-spine { grid-template-columns: 1fr; }
  .target-spine article { min-height: 0; }
  .target-spine h3 { margin-top: 2rem; }
  .target-spine p { margin-top: 1.5rem; }
  .context-router__routes article,
  .current-posture > div { grid-template-columns: 1fr; }
  .current-posture p { grid-column: 1; }
  .experiment-grid > article { min-height: 0; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid article { min-height: 0; }
  .method-grid p { margin-top: 2rem; }
  .colophon { grid-template-columns: 1fr; }
}

@media (max-width: 430px) {
  .claim-update { grid-template-columns: 1fr; }
  .claim-update > i { transform: rotate(90deg); justify-self: center; }
  .agreement-row { grid-template-columns: 1fr auto; }
  .agreement-track { grid-column: 1 / -1; grid-row: 2; }
  .agreement-row b { grid-column: 2; grid-row: 1; }
  .flow-support { grid-template-columns: 1fr; }
  .experiment-grid dl > div { grid-template-columns: 1fr; gap: .25rem; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
}

@media print {
  .catalog-controls,
  .theme-button { display: none !important; }
  .section,
  .section--guide,
  .section--ink,
  .section--forecast,
  .section--catalog,
  .section--gaps,
  .section--tests { width: 100%; padding: 2rem 0; break-inside: avoid; }
  .section--ink { background: #fff; color: #111; }
  .section--ink h2,
  .section--ink h3 { color: #111; }
  .section--ink p,
  .section--ink .section-dek { color: #333; }
  .offering[hidden] { display: flex; }
}