:root {
  --ink-950: #020817;
  --ink-900: #051126;
  --ink-850: #081a36;
  --ink-800: #0d2446;
  --paper: #edf3fc;
  --paper-deep: #dce7f7;
  --paper-soft: #f8fbff;
  --mineral: #93a6cc;
  --mineral-dark: #405577;
  --bronze: #2468ef;
  --bronze-light: #4e91ff;
  --bronze-pale: #c8ddff;
  --green: #247e72;
  --blue: #2f7df5;
  --amber: #245fc7;
  --line-dark: rgba(126, 169, 255, 0.2);
  --line-light: rgba(13, 56, 122, 0.18);
  --shadow: 0 24px 70px rgba(4, 13, 18, 0.16);
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 78rem;
  --reading: 46rem;
  --radius: 0.2rem;
  --header-height: 5.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 0;
  background: var(--ink-950);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 4rem 4rem;
  content: "";
  pointer-events: none;
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-color: var(--bronze-light);
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
blockquote {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.75rem, 7vw, 6.8rem);
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(2.15rem, 4.3vw, 4.3rem);
  letter-spacing: -0.035em;
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.8rem);
}

::selection {
  background: var(--bronze-light);
  color: var(--ink-950);
}

:focus-visible {
  outline: 3px solid var(--bronze-light);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.7rem 1rem;
  background: var(--paper-soft);
  color: var(--ink-950);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

.muted {
  color: var(--mineral);
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--bronze-light);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section {
  position: relative;
  padding: clamp(5rem, 9vw, 9rem) 0;
}

.section--paper {
  background: var(--paper);
  color: var(--ink-900);
}

.section--paper .eyebrow {
  color: var(--amber);
}

.section--ink {
  background: var(--ink-900);
}

.section--bronze {
  background: #092b62;
  color: var(--paper-soft);
}

.section--blue {
  background: linear-gradient(135deg, #071a3a, #0b3474);
  color: var(--paper-soft);
}

.section--bronze .eyebrow,
.section--bronze .chain__index {
  color: var(--paper-soft);
}

.section--closing {
  background: var(--paper-soft);
  color: var(--ink-950);
  text-align: center;
}

.section--closing .eyebrow {
  color: var(--amber);
}

.section-heading {
  max-width: 58rem;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.section-heading--center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2 {
  margin-bottom: 1.4rem;
}

.section-intro,
.page-hero__intro,
.home-hero__mission {
  max-width: 49rem;
  color: inherit;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.5;
  opacity: 0.83;
}

.section-note,
.section-action {
  margin-top: 2rem;
  color: var(--mineral);
}

.section--paper .section-note {
  color: var(--mineral-dark);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(8, 18, 24, 0.94);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  display: flex;
  width: min(calc(100% - 2rem), var(--max));
  height: 100%;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.brand img {
  width: 2.75rem;
  height: 2.75rem;
}

.brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand strong {
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 400;
}

.brand small {
  margin-top: 0.2rem;
  color: var(--mineral);
  font-size: 0.67rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.site-nav ul {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 1.7rem);
  list-style: none;
}

.site-nav a {
  color: #d7dad7;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--bronze-light);
}

.menu-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0.8rem;
  border: 1px solid var(--line-dark);
  background: transparent;
}

.menu-toggle > span[aria-hidden] {
  display: block;
  height: 1px;
  margin: 0.38rem 0;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-toggle[aria-expanded="true"] > span[aria-hidden]:first-of-type {
  transform: translateY(0.19rem) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] > span[aria-hidden]:last-of-type {
  transform: translateY(-0.19rem) rotate(-45deg);
}

.home-hero {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: clamp(4rem, 7vw, 7rem) 0;
}

.home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
}

.home-hero h1 {
  max-width: 13ch;
  margin-bottom: 1.8rem;
}

.home-hero__name {
  max-width: 9ch !important;
  margin-bottom: 1rem !important;
  font-family: var(--sans);
  font-size: clamp(3.25rem, 7.4vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.86;
  text-transform: uppercase;
}

.home-hero__role {
  max-width: 42rem;
  margin-bottom: 1.25rem;
  color: var(--bronze-light);
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.home-hero__identity {
  max-width: 40rem;
  margin: 1.5rem 0 0;
  color: var(--mineral);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3.2rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  align-items: center;
  justify-content: space-between;
  gap: 1.3rem;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button--primary {
  background: var(--bronze-light);
  color: var(--ink-950);
}

.button--primary:hover {
  background: var(--paper-soft);
}

.button--secondary {
  border-color: currentColor;
  background: transparent;
}

.button--secondary:hover {
  border-color: var(--bronze-light);
  color: var(--bronze-light);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.text-link span {
  color: var(--bronze-light);
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translateX(0.25rem);
}

.architecture-mark {
  position: relative;
  width: min(33rem, 100%);
  aspect-ratio: 1;
  margin-inline: auto;
  border: 1px solid rgba(78, 145, 255, 0.45);
  border-radius: 50%;
}

.architecture-mark::before,
.architecture-mark::after {
  position: absolute;
  inset: 17%;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  content: "";
}

.architecture-mark::after {
  inset: 34%;
}

.architecture-mark__core {
  position: absolute;
  inset: 39%;
  z-index: 2;
  display: flex;
  border: 1px solid var(--bronze-light);
  border-radius: 50%;
  background: var(--ink-900);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  line-height: 1.1;
}

.architecture-mark__core span {
  color: var(--mineral);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.architecture-mark__core strong {
  margin-top: 0.3rem;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 400;
}

.architecture-mark__orbit {
  position: absolute;
  inset: 4%;
  animation: orbit 38s linear infinite;
}

.architecture-mark__orbit--two {
  inset: 21%;
  animation-direction: reverse;
  animation-duration: 31s;
}

.architecture-mark__orbit span {
  position: absolute;
  padding: 0.3rem 0.55rem;
  background: var(--ink-950);
  color: var(--bronze-pale);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.architecture-mark__orbit span:first-child {
  top: 6%;
  left: 14%;
}

.architecture-mark__orbit span:last-child {
  right: 4%;
  bottom: 20%;
}

.architecture-mark > p {
  position: absolute;
  right: 6%;
  bottom: 3%;
  color: var(--mineral);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@keyframes orbit {
  to {
    transform: rotate(360deg);
  }
}

.page-hero {
  display: grid;
  min-height: min(43rem, calc(92svh - var(--header-height)));
  padding: clamp(5rem, 10vw, 10rem) 0;
  align-items: end;
  background:
    radial-gradient(circle at 78% 28%, rgba(36, 104, 239, 0.22), transparent 23rem),
    var(--ink-950);
}

.page-hero--compact {
  min-height: 30rem;
}

.page-hero__inner {
  width: min(calc(100% - 2rem), 66rem);
  margin-left: max(1rem, calc((100% - var(--max)) / 2));
}

.page-hero h1 {
  max-width: 15ch;
  margin-bottom: 1.7rem;
}

.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.discipline-band {
  border-block: 1px solid var(--line-dark);
  background: #04102a;
}

.discipline-band .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.discipline-band a {
  display: flex;
  min-height: 6rem;
  padding: 1.4rem;
  border-right: 1px solid var(--line-dark);
  align-items: center;
  justify-content: space-between;
  color: var(--bronze-pale);
  font-weight: 750;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.discipline-band a:first-child { border-left: 1px solid var(--line-dark); }
.discipline-band a:hover { background: rgba(47, 125, 245, 0.12); color: #fff; }

.now-grid,
.epistemic-grid,
.portal-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.now-card,
.epistemic-grid article,
.portal-choice-grid article,
.blueprint-intro {
  padding: clamp(1.5rem, 3.5vw, 2.8rem);
  border: 1px solid var(--line-light);
}

.now-card > div {
  display: flex;
  margin-bottom: 2.2rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--mineral-dark);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.now-card h2,
.now-card h3 { margin-bottom: 0.8rem; }
.now-card h2 a,
.now-card h3 a { text-decoration: none; }
.now-card p { color: var(--mineral-dark); }
.now-group + .now-group { margin-top: 5rem; }

.blueprint-map {
  display: grid;
  max-width: 58rem;
  margin-inline: auto;
  place-items: center;
  gap: 1rem;
  text-align: center;
}

.blueprint-map > strong {
  width: min(100%, 32rem);
  padding: 1.4rem;
  border: 1px solid rgba(200, 221, 255, 0.45);
  font-family: var(--sans);
  font-size: clamp(1.4rem, 3vw, 2.3rem);
  text-transform: uppercase;
}

.blueprint-map > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.blueprint-map > div span {
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line-dark);
  color: var(--bronze-pale);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.epistemic-grid { grid-template-columns: repeat(5, 1fr); }
.epistemic-grid article { min-height: 16rem; }
.epistemic-grid article > span { color: var(--blue); font-size: 0.7rem; font-weight: 800; }
.epistemic-grid h3 { margin-top: 3rem; }
.epistemic-grid p { color: var(--mineral-dark); }
.portal-choice-grid article { min-height: 20rem; }

.status {
  display: inline-flex;
  width: fit-content;
  padding: 0.32rem 0.55rem;
  border: 1px solid currentColor;
  border-radius: 99rem;
  align-items: center;
  color: var(--mineral);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.status--green { color: #78bda3; }
.status--blue { color: #7db6cb; }
.status--amber { color: #d5ae7b; }
.status--gold { color: #f0c98e; }
.section--paper .status--green { color: var(--green); }
.section--paper .status--blue { color: var(--blue); }
.section--paper .status--amber,
.section--paper .status--gold { color: var(--amber); }

.breadcrumbs {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  gap: 0.55rem;
  color: var(--mineral-dark);
  font-size: 0.77rem;
  list-style: none;
}

.breadcrumbs li + li::before {
  margin-right: 0.55rem;
  content: "/";
  opacity: 0.5;
}

.problem-grid,
.axiom-grid,
.audience-grid,
.press-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
  list-style: none;
}

.number-card,
.axiom-grid li,
.audience-card,
.press-facts article {
  min-height: 16rem;
  padding: clamp(1.4rem, 3vw, 2.4rem);
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.number-card > span,
.axiom-grid li > span,
.audience-card > span {
  display: block;
  margin-bottom: 4rem;
  color: var(--amber);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.number-card p,
.axiom-grid p,
.audience-card p,
.press-facts p {
  color: var(--mineral-dark);
}

.audience-card {
  color: inherit;
  text-decoration: none;
}

.audience-card:hover {
  background: var(--paper-soft);
}

.chain {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
  list-style: none;
}

.chain li {
  position: relative;
  min-height: 8.5rem;
  padding: 1.25rem;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--serif);
  font-size: 1.08rem;
}

.chain__index {
  display: block;
  margin-bottom: 2.4rem;
  color: var(--bronze-light);
  font-family: var(--sans);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.section--paper .chain {
  border-color: var(--line-light);
}

.section--paper .chain li {
  border-color: var(--line-light);
}

.section--paper .chain__index {
  color: var(--amber);
}

.chain--stack {
  grid-template-columns: 1fr;
}

.chain--stack li {
  min-height: auto;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
}

.chain--stack .chain__index {
  margin: 0;
}

.system-grid,
.research-grid,
.book-grid,
.laboratory-grid,
.press-grid,
.symbol-grid,
.form-grid,
.comparison-grid,
.lab-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

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

.form-grid article,
.comparison-grid article,
.lab-card {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border: 1px solid var(--line-dark);
}

.form-grid article {
  min-height: 24rem;
}

.form-grid article > p {
  color: var(--mineral);
}

.form-symbol {
  position: relative;
  width: 7rem;
  height: 7rem;
  margin-bottom: 5rem;
}

.form-symbol--line::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--bronze-light);
  content: "";
  transform: rotate(-28deg);
}

.form-symbol--spiral {
  border: 1px solid var(--bronze-light);
  border-radius: 50%;
}

.form-symbol--spiral::before,
.form-symbol--spiral::after {
  position: absolute;
  border: 1px solid var(--bronze-light);
  border-radius: 50%;
  content: "";
}

.form-symbol--spiral::before {
  inset: 18%;
}

.form-symbol--spiral::after {
  inset: 36%;
}

.form-symbol--crown {
  border: 1px solid var(--bronze-light);
  border-radius: 50%;
}

.form-symbol--crown::before {
  position: absolute;
  inset: 28%;
  border: 1px solid var(--bronze-light);
  border-radius: 50%;
  content: "";
}

.comparison-grid article {
  min-height: 22rem;
  border-color: var(--line-light);
}

.comparison-grid article > p:last-child {
  color: var(--mineral-dark);
}

.system-card,
.research-card,
.laboratory-card,
.copy-card {
  min-height: 24rem;
  padding: clamp(1.5rem, 3.5vw, 2.7rem);
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.018);
}

.system-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.system-card--blueprint {
  border-color: rgba(213, 174, 123, 0.65);
}

.system-card__top,
.research-card__meta {
  display: flex;
  margin-bottom: 3.5rem;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.system-card__top { flex-wrap: wrap; }

.system-card__layer {
  margin: 0;
  color: var(--bronze-light);
  font-size: 0.7rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.system-card h3 {
  margin-bottom: 0.35rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.system-card__expanded {
  color: var(--mineral);
  font-size: 0.8rem;
}

.system-card__tagline {
  margin: 1.25rem 0 0;
  color: var(--bronze-pale);
  font-weight: 700;
}

.section--paper .system-card {
  border-color: var(--line-light);
  background: rgba(255, 255, 255, 0.3);
}

.section--paper .system-card__layer,
.section--paper .system-card__tagline { color: var(--blue); }
.section--paper .system-card__expanded,
.section--paper .mini-spec dt { color: var(--mineral-dark); }
.section--paper .mini-spec div { border-color: var(--line-light); }

.system-card__question {
  max-width: 36rem;
  margin: 1.5rem 0 2rem;
  font-family: var(--serif);
  font-size: 1.15rem;
}

.system-card .text-link {
  margin-top: auto;
}

.mini-spec {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0 0 2rem;
  gap: 1rem;
}

.mini-spec div {
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-dark);
}

.mini-spec dt,
.spec-grid dt {
  color: var(--mineral);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section--paper .spec-grid dt {
  color: var(--mineral-dark);
  font-weight: 700;
}

.mini-spec dd,
.spec-grid dd {
  margin: 0.3rem 0 0;
}

.crown-layout,
.founder-panel,
.prose-grid,
.book-detail,
.contact-layout,
.research-layout,
.io-principles,
.comparison,
.manifesto-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 7vw, 7rem);
}

.crown-copy {
  display: grid;
  gap: 0;
}

.crown-copy article {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.crown-copy article > span {
  color: var(--bronze-pale);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.crown-copy h3 {
  margin: 0.5rem 0;
}

.founder-panel h2 {
  margin-bottom: 0;
}

.founder-panel p {
  color: var(--mineral-dark);
}

.founder-panel > div:last-child {
  padding-top: 2.7rem;
}

.research-toolbar {
  display: flex;
  margin-bottom: 2rem;
  padding: 1rem;
  border: 1px solid var(--line-light);
  align-items: end;
  gap: 1rem;
}

.research-toolbar label {
  flex: 1;
  color: var(--mineral-dark);
  font-size: 0.76rem;
  font-weight: 700;
}

.research-toolbar input,
.research-toolbar select {
  display: block;
  width: 100%;
  min-height: 3rem;
  margin-top: 0.35rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line-light);
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink-950);
}

.research-count {
  min-width: 8rem;
  margin: 0 0 0.75rem;
  color: var(--mineral-dark);
  font-size: 0.8rem;
  text-align: right;
}

.research-card {
  min-height: 22rem;
}

.section--paper .research-card,
.section--paper .copy-card,
.section--paper .laboratory-card {
  border-color: var(--line-light);
  background: rgba(255, 255, 255, 0.25);
}

.research-card[hidden] {
  display: none;
}

.research-card__meta {
  justify-content: flex-start;
  margin-bottom: 2.7rem;
  color: var(--mineral);
  font-size: 0.68rem;
}

.section--paper .research-card__meta {
  color: var(--mineral-dark);
}

.research-card h3 a,
.book-card h3 a {
  text-decoration: none;
}

.research-card p {
  color: var(--mineral);
}

.section--paper .research-card p {
  color: var(--mineral-dark);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  margin: 1.5rem 0;
  padding: 0;
  gap: 0.35rem;
  list-style: none;
}

.tag-list li {
  padding: 0.18rem 0.45rem;
  border: 1px solid var(--line-dark);
  color: var(--mineral);
  font-size: 0.64rem;
}

.section--paper .tag-list li {
  border-color: var(--line-light);
  color: var(--mineral-dark);
}

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

.book-card {
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.018);
}

.section--paper .book-card {
  border-color: var(--line-light);
  background: var(--paper-soft);
  color: var(--ink-900);
}

.section--paper .book-card__role,
.section--paper .book-card__content > p {
  color: var(--mineral-dark);
}

.book-card__media {
  display: grid;
  height: 28rem;
  padding: 1.3rem;
  place-items: center;
  overflow: hidden;
  background: var(--ink-850);
}

.book-card__media img {
  width: auto;
  height: auto;
  max-height: 100%;
  box-shadow: 0 1.3rem 3rem rgba(0, 0, 0, 0.35);
  object-fit: contain;
}

.book-teaser {
  position: relative;
  display: flex;
  width: min(100%, 18rem);
  aspect-ratio: 2 / 3;
  padding: 1.5rem;
  border: 1px solid rgba(126, 169, 255, 0.55);
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  background: #031334;
  color: #eff6ff;
  box-shadow: 0 1.3rem 3rem rgba(0, 0, 0, 0.35);
}

.book-teaser::before,
.book-teaser::after {
  position: absolute;
  border: 1px solid currentColor;
  border-radius: 50%;
  content: "";
  opacity: 0.28;
}

.book-teaser::before { width: 115%; aspect-ratio: 1; top: 12%; left: -38%; }
.book-teaser::after { width: 72%; aspect-ratio: 1; top: 26%; right: -28%; }
.book-teaser > * { position: relative; z-index: 1; }
.book-teaser__signal { position: absolute; inset: 0; background: repeating-linear-gradient(115deg, transparent 0 18px, rgba(78,145,255,.13) 19px 20px); }
.book-teaser__volume { margin-bottom: auto; font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; }
.book-teaser strong { font-family: var(--serif); font-size: clamp(1.35rem, 3vw, 2rem); line-height: 1.05; }
.book-teaser small { margin-top: 0.8rem; color: #a8c7ff; font-size: 0.62rem; letter-spacing: 0.11em; text-transform: uppercase; }
.book-teaser--electric { background: radial-gradient(circle at 50% 38%, #176fff 0, #072b73 24%, #020c24 62%); }
.book-teaser--electric .book-teaser__signal { background: repeating-conic-gradient(from 10deg at 50% 38%, transparent 0 8deg, rgba(124,187,255,.22) 9deg 10deg); }
.book-teaser--portal { border-color: rgba(196, 158, 74, 0.65); background: radial-gradient(circle at 50% 36%, #4b7b5f 0, #153b31 24%, #061a18 62%); color: #f2d692; }
.book-teaser--portal small { color: #d2bc7c; }
.book-teaser--detail { width: min(100%, 24rem); }

.book-card__content {
  padding: 1.5rem;
}

.book-card h3 {
  margin: 1rem 0 0.5rem;
}

.book-card__role,
.book-card__content > p {
  color: var(--mineral);
}

.book-placeholder {
  display: grid;
  width: 75%;
  height: 85%;
  border: 1px solid rgba(213, 174, 123, 0.5);
  background: linear-gradient(145deg, #172b36, #0a151c);
  color: var(--bronze-pale);
  place-items: center;
  text-align: center;
}

.book-placeholder span {
  max-width: 9rem;
  font-family: var(--serif);
  font-size: 1.3rem;
}

.book-placeholder--large {
  width: 100%;
  min-height: 32rem;
}

.book-detail {
  grid-template-columns: minmax(16rem, 0.75fr) minmax(0, 1.25fr);
  align-items: start;
}

.book-detail__media {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  display: grid;
  min-height: 30rem;
  padding: 2rem;
  background: var(--ink-850);
  place-items: center;
}

.book-detail__media img {
  max-height: 38rem;
  width: auto;
  height: auto;
  box-shadow: var(--shadow);
}

.prose {
  max-width: var(--reading);
  font-size: 1.05rem;
}

.prose--narrow {
  margin-inline: auto;
}

.prose h2,
.article-content h2 {
  margin: 2.6rem 0 1.2rem;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.prose h3,
.article-content h3 {
  margin: 2rem 0 0.8rem;
}

.prose p,
.prose li {
  color: #31434a;
}

.prose a,
.article-content a {
  color: #704619;
}

.prose blockquote,
.article-content blockquote,
.essay-quote {
  margin: 2rem 0;
  padding: 1rem 0 1rem 1.5rem;
  border-left: 2px solid var(--bronze);
  color: #23343b;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.purchase-panel,
.availability-note,
.evidence-box,
.principle-panel,
.method-note {
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--line-light);
  background: var(--paper-soft);
}

.evidence-box {
  color: var(--ink-900);
}

.prose .button--primary {
  color: var(--ink-950);
}

.prose .button--secondary {
  color: var(--ink-900);
}

.purchase-panel .button {
  margin: 0.5rem 0.5rem 0.5rem 0;
}

.purchase-panel__title,
.evidence-box__label {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.evidence-box--limit {
  border-left: 4px solid var(--bronze);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.spec-grid > div {
  min-height: 9rem;
  padding: 1.4rem;
  background: var(--paper);
}

.object-panel,
.laboratory-cta {
  display: flex;
  padding: clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--line-dark);
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.object-panel > div,
.laboratory-cta > div {
  max-width: 45rem;
}

.symbol-grid article,
.io-principles article,
.comparison article,
.manifesto-list li {
  padding: 1.5rem;
  border: 1px solid var(--line-dark);
}

.section--paper .symbol-grid article,
.section--paper .io-principles article,
.section--paper .comparison article {
  border-color: var(--line-light);
}

.manifesto-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: manifesto;
}

.manifesto-list li {
  counter-increment: manifesto;
  margin-bottom: 0.7rem;
}

.manifesto-list li::before {
  display: block;
  margin-bottom: 1rem;
  color: var(--bronze-light);
  content: counter(manifesto, decimal-leading-zero);
  font-size: 0.68rem;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table,
.obj-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  padding: 0.9rem;
  border: 1px solid var(--line-light);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--paper-deep);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.laboratory-card h3 {
  margin-top: 2rem;
}

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

.lab-card {
  min-height: 24rem;
  border-color: var(--line-light);
}

.lab-card > div:first-child {
  display: flex;
  margin-bottom: 3rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--amber);
  font-size: 0.7rem;
}

.lab-card h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.lab-card__system {
  color: var(--amber);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lab-card dl {
  margin: 2rem 0 0;
}

.lab-card dl > div {
  padding: 1rem 0;
  border-top: 1px solid var(--line-light);
}

.lab-card dt {
  color: var(--mineral-dark);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lab-card dd {
  margin: 0.35rem 0 0;
  color: #31434a;
}

.timeline,
.works-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li,
.works-list article {
  display: grid;
  grid-template-columns: minmax(10rem, 0.35fr) 1fr;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line-dark);
  gap: 2rem;
}

.timeline span {
  color: var(--bronze-light);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.press-facts {
  margin-top: 1rem;
}

.press-facts article {
  min-height: 11rem;
}

.manifesto-call {
  max-width: 57rem;
  margin-inline: auto;
}

.manifesto-call > p:not(.eyebrow) {
  max-width: 42rem;
  margin-inline: auto;
  color: var(--mineral-dark);
}

.manifesto-call .button {
  margin-top: 1.5rem;
}

.founder-coordinate {
  padding: 2rem;
  border: 1px solid var(--line-light);
  align-self: start;
}

.coordinate-map {
  position: relative;
  display: grid;
  aspect-ratio: 1;
  margin-bottom: 1.5rem;
  border: 1px solid var(--bronze);
  background:
    linear-gradient(var(--line-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-light) 1px, transparent 1px);
  background-size: 25% 25%;
  place-items: center;
}

.coordinate-map::before {
  width: 0.75rem;
  height: 0.75rem;
  border: 2px solid var(--bronze);
  border-radius: 50%;
  content: "";
}

.coordinate-map span {
  position: absolute;
  color: var(--amber);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.coordinate-map span:first-child {
  top: 1rem;
  left: 1rem;
}

.coordinate-map span:last-child {
  right: 1rem;
  bottom: 1rem;
}

.copy-card {
  min-height: 17rem;
}

.contact-layout {
  grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.6fr);
  align-items: start;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field:has(textarea) {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--line-light);
  border-radius: 0;
  background: var(--paper-soft);
  color: var(--ink-950);
}

.checkbox,
.contact-form > .button {
  grid-column: 1 / -1;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--mineral-dark);
  font-size: 0.83rem;
}

.checkbox input {
  margin-top: 0.32rem;
}

.contact-form > .button {
  width: fit-content;
  border: 0;
}

.contact-aside {
  padding: 2rem;
  border: 1px solid var(--line-light);
}

.contact-aside p {
  color: var(--mineral-dark);
}

.honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
}

.lexicon-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.lexicon-list > div {
  min-height: 12rem;
  padding: 1.7rem;
  background: var(--paper);
}

.lexicon-list dt {
  margin-bottom: 1rem;
  font-family: var(--serif);
  font-size: 1.5rem;
}

.lexicon-list dd {
  margin: 0;
  color: var(--mineral-dark);
}

.research-layout {
  grid-template-columns: minmax(11rem, 0.28fr) minmax(0, 0.72fr);
  align-items: start;
}

.related-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.related-links a {
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line-dark);
  color: var(--mineral);
  font-size: 0.75rem;
  text-decoration: none;
}

.related-links a:hover {
  border-color: var(--bronze-light);
  color: var(--paper);
}

.research-rail {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  padding: 1.3rem;
  border: 1px solid var(--line-light);
  color: var(--mineral-dark);
  font-size: 0.78rem;
}

.research-rail dl {
  margin-bottom: 1.5rem;
}

.research-rail dt {
  margin-top: 1rem;
  font-weight: 800;
}

.research-rail dd {
  margin: 0.2rem 0 0;
}

.article-content {
  max-width: var(--reading);
  color: #31434a;
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.78;
}

.article-content > header,
.article-content .essay-header {
  display: none;
}

.article-content img,
.essay-img {
  width: 100%;
  height: auto;
  margin: 2rem 0;
}

.article-content figure {
  margin: 2rem 0;
}

.article-content figcaption {
  color: var(--mineral-dark);
  font-family: var(--sans);
  font-size: 0.75rem;
}

.method-note {
  max-width: var(--reading);
  margin: 0 0 2rem;
  border-left: 4px solid var(--bronze);
  color: var(--mineral-dark);
  font-size: 0.86rem;
}

.site-footer {
  padding: 5rem 0 1.5rem;
  border-top: 1px solid var(--line-dark);
  background: #050d12;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
}

.site-footer__name {
  margin-bottom: 0.4rem;
  font-family: var(--serif);
  font-size: 1.65rem;
}

.footer-title {
  color: var(--bronze-light);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer li {
  margin: 0.5rem 0;
}

.site-footer a {
  color: var(--mineral);
  font-size: 0.82rem;
  text-decoration: none;
}

.site-footer__bottom {
  display: flex;
  margin-top: 4rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line-dark);
  justify-content: space-between;
  gap: 1rem;
  color: var(--mineral);
  font-size: 0.72rem;
}

.has-js .reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 600ms ease, transform 600ms ease;
}

.has-js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 67rem) {
  :root {
    --header-height: 4.75rem;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100svh - var(--header-height));
    padding: 1.5rem max(1rem, calc((100% - var(--max)) / 2));
    border-bottom: 1px solid var(--line-dark);
    background: var(--ink-950);
    overflow-y: auto;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .site-nav a {
    display: block;
    padding: 0.9rem;
    border-bottom: 1px solid var(--line-dark);
    font-size: 1rem;
  }

  .home-hero__grid {
    grid-template-columns: 1fr;
  }

  .architecture-mark {
    width: min(28rem, 86vw);
  }

  .problem-grid,
  .axiom-grid,
  .audience-grid,
  .press-facts {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .epistemic-grid { grid-template-columns: repeat(3, 1fr); }

  .site-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 48rem) {
  .container,
  .site-header__inner {
    width: min(calc(100% - 1.25rem), var(--max));
  }

  .page-hero__inner {
    width: calc(100% - 1.25rem);
    margin-left: 0.625rem;
  }

  h1 {
    font-size: clamp(2.7rem, 13vw, 4.6rem);
  }

  .home-hero {
    min-height: auto;
  }

  .home-hero__grid {
    gap: 4rem;
  }

  .page-hero {
    min-height: 34rem;
  }

  .page-hero--compact {
    min-height: 26rem;
  }

  .system-grid,
  .research-grid,
  .now-grid,
  .portal-choice-grid,
  .book-grid,
  .laboratory-grid,
  .press-grid,
  .symbol-grid,
  .form-grid,
  .comparison-grid,
  .lab-grid,
  .crown-layout,
  .founder-panel,
  .prose-grid,
  .book-detail,
  .contact-layout,
  .research-layout,
  .io-principles,
  .comparison,
  .manifesto-layout {
    grid-template-columns: 1fr;
  }

  .discipline-band .container { grid-template-columns: repeat(2, 1fr); }
  .epistemic-grid { grid-template-columns: repeat(2, 1fr); }

  .system-card,
  .research-card,
  .laboratory-card,
  .copy-card {
    min-height: auto;
  }

  .book-card__media {
    height: 24rem;
  }

  .book-detail__media,
  .research-rail {
    position: static;
  }

  .research-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .research-count {
    margin: 0;
    text-align: left;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .field,
  .field:has(textarea),
  .checkbox,
  .contact-form > .button {
    grid-column: 1;
  }

  .lexicon-list,
  .spec-grid {
    grid-template-columns: 1fr;
  }

  .object-panel,
  .laboratory-cta,
  .related-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .timeline li,
  .works-list article {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1rem;
  }

  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 31rem) {
  .brand small {
    display: none;
  }

  .problem-grid,
  .axiom-grid,
  .audience-grid,
  .press-facts,
  .discipline-band .container,
  .epistemic-grid {
    grid-template-columns: 1fr;
  }

  .discipline-band a { min-height: 4.6rem; border-left: 1px solid var(--line-dark); }

  .number-card,
  .axiom-grid li,
  .audience-card {
    min-height: 13rem;
  }

  .site-nav ul,
  .mini-spec,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .architecture-mark {
    width: 94vw;
    max-width: 23rem;
  }

  .architecture-mark__orbit span {
    font-size: 0.58rem;
  }

  .book-card__media {
    height: 21rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .has-js .reveal {
    opacity: 1;
    transform: none;
  }
}