:root {
  --void: #020504;
  --black: #07100d;
  --panel: rgba(6, 22, 17, 0.78);
  --panel-strong: rgba(9, 31, 24, 0.92);
  --ink: #f3fff9;
  --ink-soft: #d3e5dc;
  --muted: #8ea69a;
  --line: rgba(95, 135, 119, 0.28);
  --line-bright: rgba(0, 230, 118, 0.42);
  --emerald: #00e676;
  --emerald-soft: rgba(0, 230, 118, 0.14);
  --teal: #22c7b5;
  --sky: #85d9ff;
  --purple: #a987ff;
  --amber: #dcc36f;
  --max-width: 70rem;
  --reading-width: 43rem;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --sans: "Avenir Next", "Segoe UI", Arial, sans-serif;
  --mono: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 18px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(125deg, rgba(0, 230, 118, 0.12), transparent 31rem),
    linear-gradient(215deg, rgba(133, 217, 255, 0.08), transparent 34rem),
    linear-gradient(180deg, #020504 0%, #07100d 56%, #060711 100%);
  font-family: var(--serif);
  line-height: 1.62;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(0, 230, 118, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 230, 118, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(90deg, transparent, #000 11%, #000 88%, transparent);
}

a {
  color: var(--sky);
  text-decoration-thickness: 0.07em;
  text-decoration-color: rgba(133, 217, 255, 0.38);
  text-underline-offset: 0.18em;
}

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

.page-shell {
  width: min(calc(100% - 2.2rem), var(--max-width));
  margin: 0 auto;
  padding: 1.35rem 0 3rem;
}

.site-header {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) auto;
  gap: 1.2rem;
  align-items: end;
  padding: 0.45rem 0 1rem;
  border-bottom: 1px solid var(--line);
}

.site-name {
  margin: 0.12rem 0 0.1rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 2.85rem;
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0;
  text-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.34);
}

.site-name a {
  color: var(--ink);
  text-decoration: none;
}

.site-name a:hover {
  color: var(--emerald);
}

.site-tagline {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
}

.eyebrow,
.kicker,
.meta,
.section-link,
.download-note,
.status-badge {
  font-family: var(--sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.67rem;
  font-weight: 700;
}

.eyebrow,
.kicker,
.download-note {
  color: var(--emerald);
}

.eyebrow {
  margin: 0;
}

.meta {
  color: #81a293;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem 1.05rem;
  margin-bottom: 0.05rem;
  font-family: var(--sans);
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  text-decoration: none;
}

.site-nav a:last-child::before {
  margin-right: 0.35rem;
  color: var(--sky);
  content: "⌕";
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.45rem;
  left: 0;
  height: 2px;
  content: "";
  background: transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav a[aria-current="page"]::after {
  background: var(--emerald);
}

.page-content {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.45rem;
}

.hero {
  padding: 0.45rem 0 0.95rem;
  border-bottom: 1px solid var(--line);
}

.hero-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: 2rem;
  align-items: center;
  min-height: 13.5rem;
}

.hero-copy {
  max-width: 48rem;
}

.hero-orbit {
  position: relative;
  min-height: 13.5rem;
  opacity: 0.92;
  overflow: hidden;
  background:
    radial-gradient(circle at 58% 52%, rgba(0, 230, 118, 0.52), rgba(0, 230, 118, 0.12) 7%, transparent 18%),
    linear-gradient(rgba(133, 217, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(133, 217, 255, 0.06) 1px, transparent 1px);
  background-size: auto, 24px 24px, 24px 24px;
}

.hero-orbit::before,
.hero-orbit::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(0, 230, 118, 0.22);
  border-radius: 999px;
}

.hero-orbit::before {
  right: -1.3rem;
  bottom: -1.1rem;
  width: 15rem;
  height: 15rem;
}

.hero-orbit::after {
  right: 3.4rem;
  bottom: 1.1rem;
  width: 9rem;
  height: 9rem;
  border-style: dashed;
}

.orbit-core,
.orbit-node,
.orbit-line {
  position: absolute;
  display: block;
}

.orbit-core {
  right: 6.4rem;
  bottom: 5.2rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 1.6rem 0.55rem rgba(0, 230, 118, 0.72);
}

.orbit-line {
  right: 2.9rem;
  bottom: 5.4rem;
  width: 12rem;
  height: 1px;
  transform-origin: right center;
  background: rgba(0, 230, 118, 0.32);
}

.orbit-line-a {
  transform: rotate(39deg);
}

.orbit-line-b {
  transform: rotate(-37deg);
}

.orbit-node {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: rgba(211, 229, 220, 0.66);
  box-shadow: 0 0 0 1px rgba(0, 230, 118, 0.22);
}

.orbit-node-a {
  right: 10.8rem;
  bottom: 8.8rem;
}

.orbit-node-b {
  right: 4.2rem;
  bottom: 9.1rem;
}

.orbit-node-c {
  right: 10.4rem;
  bottom: 2.6rem;
}

.hero-grid,
.split-panel,
.kind-entry-grid {
  display: grid;
  gap: 1rem;
}

.hero-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.shelf-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 0.95rem 1rem 0.85rem;
  border-right: 1px solid var(--line);
}

.shelf-summary:last-child {
  border-right: 0;
}

.shelf-icon {
  display: inline-grid;
  width: 2.8rem;
  height: 2.8rem;
  place-items: center;
  border: 1px solid rgba(0, 230, 118, 0.44);
  border-radius: 50%;
  color: var(--emerald);
  background: rgba(0, 230, 118, 0.055);
  font-family: var(--mono);
  font-size: 1.15rem;
  line-height: 1;
  text-decoration: none;
  box-shadow: inset 0 0 1.25rem rgba(0, 230, 118, 0.08);
}

.hero-grid h3,
.split-panel h3 {
  margin: 0 0 0.15rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.15;
}

.hero-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.45;
}

.hero-compact {
  padding-bottom: 0.8rem;
}

.hero h2,
.publication-header h2 {
  margin: 0.22rem 0 0.75rem;
  max-width: 52rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0;
  text-shadow: 0 0.9rem 2rem rgba(0, 0, 0, 0.35);
}

.lede,
.subtitle {
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.lede {
  max-width: 42rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--line-bright);
}

.panel,
.publication {
  padding: 0.85rem 0 0;
  border-top: 1px solid var(--line);
}

.publication {
  padding-top: 1.2rem;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(10rem, 1fr);
  gap: 1rem;
  align-items: end;
}

.section-copy,
.relationship-line {
  color: var(--muted);
}

.section-copy {
  justify-self: end;
  margin: 0;
}

.section-heading h3,
.download-panel h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.28rem;
}

.section-link {
  color: var(--teal);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
  margin-top: 0.9rem;
}

.home-recent-grid {
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.45rem;
}

.card {
  position: relative;
  display: flex;
  min-height: 11.9rem;
  flex-direction: column;
  padding: 0.75rem 0.65rem 1.85rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(0, 230, 118, 0.055), rgba(6, 22, 17, 0.54)),
    var(--panel);
  box-shadow: 0 1rem 2rem -1.7rem rgba(0, 230, 118, 0.42);
}

.card:hover {
  border-color: rgba(0, 230, 118, 0.5);
  background:
    linear-gradient(180deg, rgba(0, 230, 118, 0.08), rgba(6, 22, 17, 0.74)),
    var(--panel-strong);
}

.card h3,
.card h4 {
  margin: 0.25rem 0 0.45rem;
  font-family: var(--serif);
  font-size: 1.03rem;
  line-height: 1.18;
}

.card h3 a,
.card h4 a {
  color: var(--ink);
  text-decoration-color: rgba(0, 230, 118, 0.38);
}

.card h3 a:hover,
.card h4 a:hover {
  color: var(--emerald);
}

.card p {
  margin: 0.35rem 0 0;
}

.card .subtitle {
  color: var(--muted);
  font-size: 0.86rem;
}

.home-recent-grid .card p:not(.meta):not(.subtitle) {
  font-size: 0.78rem;
  line-height: 1.48;
}

.card-arrow {
  position: absolute;
  bottom: 0.6rem;
  left: 0.65rem;
  color: var(--emerald);
  font-family: var(--sans);
  text-decoration: none;
}

.kind-entry-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 0.55rem;
}

.kind-entry {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  gap: 0.1rem 0.75rem;
  align-items: center;
  min-height: 4rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: rgba(5, 17, 14, 0.58);
  text-decoration: none;
}

.kind-entry:hover {
  border-color: rgba(0, 230, 118, 0.52);
  background: rgba(0, 230, 118, 0.06);
}

.kind-entry .shelf-icon {
  grid-column: 1;
  grid-row: 1 / 3;
  width: 2.45rem;
  height: 2.45rem;
  font-size: 0.98rem;
}

.kind-entry-text {
  grid-column: 2;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.15;
}

.kind-entry small {
  grid-column: 2;
  color: var(--emerald);
  font-family: var(--sans);
  font-size: 0.82rem;
}

.kind-arrow {
  grid-column: 3;
  grid-row: 1 / 3;
  color: var(--emerald);
  font-family: var(--sans);
}

.publication-list,
.download-list,
.tag-list,
.link-list {
  padding-left: 1.1rem;
}

.publication-list li,
.download-list li,
.link-list li {
  margin: 0.5rem 0;
}

.publication-list span {
  display: block;
  color: var(--muted);
}

.publication-header {
  padding: 0.25rem 0 1rem;
  border-bottom: 1px solid var(--line);
}

.status-badge {
  display: inline-flex;
  margin-left: 0.55rem;
  padding: 0.12rem 0.38rem;
  border: 1px solid rgba(220, 195, 111, 0.45);
  border-radius: 4px;
  color: var(--amber);
  background: rgba(220, 195, 111, 0.08);
  vertical-align: middle;
}

.lifecycle-notice {
  margin-top: 1rem;
  padding: 0.75rem 0.9rem;
  border-left: 0.18rem solid var(--amber);
  background: rgba(220, 195, 111, 0.08);
  color: var(--ink-soft);
}

.download-panel,
.toc-panel,
.member-panel,
.relationship-panel,
.concept-definition {
  margin-top: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(6, 22, 17, 0.64);
}

.relationship-panel p {
  margin: 0.25rem 0;
}

.publication-relationships {
  display: grid;
  gap: 1rem;
}

.publication-relationships h4 {
  margin: 0 0 0.35rem;
  color: var(--purple);
  font-family: var(--sans);
}

.relationship-group-stack {
  display: grid;
  gap: 0.75rem;
}

.relationship-group {
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.relationship-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.concept-definition h3 {
  margin-top: 0;
}

.concept-definition p {
  margin-bottom: 0;
}

.toc-list {
  margin: 0.5rem 0 0;
}

.toc-list li {
  margin: 0.55rem 0;
}

.path-list {
  display: grid;
  gap: 1rem;
  padding-left: 1.4rem;
}

.path-list li {
  padding-left: 0.25rem;
}

.path-list span {
  display: block;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.85rem;
}

.path-list p {
  margin-top: 0.25rem;
}

.toc-secondary-link {
  margin-left: 0.45rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.content-section {
  padding-top: 1.25rem;
  margin-top: 1.25rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 1rem;
}

.content-section-header h3 {
  margin: 0.15rem 0 0.25rem;
}

.section-jump-link {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.section-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(6, 22, 17, 0.6);
  text-decoration: none;
}

.section-nav-link:hover {
  border-color: var(--emerald);
}

.search-panel {
  display: grid;
  gap: 0.85rem;
}

.search-form {
  display: grid;
  gap: 0.45rem;
}

.search-label {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 700;
}

.search-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(6, 22, 17, 0.8);
  color: var(--ink);
  font: inherit;
}

.search-input:focus {
  border-color: var(--emerald);
  outline: 2px solid rgba(0, 230, 118, 0.2);
}

.search-help {
  margin: 0;
  color: var(--muted);
}

.search-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.text-button {
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(6, 22, 17, 0.75);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.text-button:hover {
  border-color: var(--emerald);
  color: var(--black);
  background: var(--emerald);
}

.facet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.facet-group {
  margin: 0;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(6, 22, 17, 0.58);
}

.facet-group legend {
  padding: 0 0.25rem;
  color: var(--sky);
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 700;
}

.facet-options {
  display: grid;
  gap: 0.35rem;
  max-height: 11rem;
  overflow: auto;
}

.facet-option {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.45rem;
  align-items: baseline;
  font-family: var(--sans);
  font-size: 0.86rem;
  line-height: 1.35;
}

.facet-option small {
  color: var(--muted);
}

code {
  color: var(--sky);
  font-family: var(--mono);
  font-size: 0.9em;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.tag-list li {
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(0, 230, 118, 0.28);
  border-radius: 4px;
  background: var(--emerald-soft);
  color: var(--emerald);
  font-family: var(--sans);
  font-size: 0.78rem;
}

.tag-list li:nth-child(3n + 2) {
  border-color: rgba(133, 217, 255, 0.28);
  background: rgba(133, 217, 255, 0.09);
  color: var(--sky);
}

.tag-list li:nth-child(3n) {
  border-color: rgba(169, 135, 255, 0.28);
  background: rgba(169, 135, 255, 0.09);
  color: var(--purple);
}

.body-copy {
  margin-top: 1.5rem;
  font-size: 1.05rem;
}

.body-copy h1,
.body-copy h2,
.body-copy h3 {
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.2;
  margin-top: 1.6em;
}

.body-copy p,
.body-copy li {
  max-width: var(--reading-width);
}

.empty-state {
  color: var(--muted);
}

.site-footer {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer::before {
  flex: 0 0 auto;
  width: 2.1rem;
  height: 2.1rem;
  content: "";
  border: 1px solid rgba(0, 230, 118, 0.38);
  border-radius: 50%;
  background:
    linear-gradient(32deg, transparent 48%, rgba(0, 230, 118, 0.45) 49%, rgba(0, 230, 118, 0.45) 51%, transparent 52%),
    linear-gradient(-32deg, transparent 48%, rgba(133, 217, 255, 0.32) 49%, rgba(133, 217, 255, 0.32) 51%, transparent 52%),
    radial-gradient(circle, transparent 38%, rgba(0, 230, 118, 0.28) 39%, transparent 41%);
}

@media (max-width: 1080px) {
  .home-recent-grid,
  .kind-entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header,
  .hero-stage,
  .hero-grid,
  .kind-entry-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: start;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .site-nav a::after {
    bottom: -0.18rem;
  }

  .hero-orbit {
    min-height: 9rem;
  }

  .shelf-summary {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .shelf-summary:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 720px) {
  html {
    font-size: 17px;
  }

  .page-shell {
    width: min(calc(100% - 1rem), var(--max-width));
    padding-top: 0.85rem;
  }

  .site-name {
    font-size: 2.15rem;
  }

  .site-nav {
    gap: 0.3rem 0.75rem;
  }

  .hero h2,
  .publication-header h2 {
    font-size: 2.25rem;
  }

  .hero-stage {
    gap: 0.9rem;
    min-height: auto;
  }

  .hero-orbit {
    display: none;
  }

  .section-heading {
    display: block;
  }

  .section-copy {
    margin-top: 0.15rem;
    text-align: left;
  }

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

  .card {
    min-height: 0;
  }

  .home-recent-grid .card p:not(.meta):not(.subtitle) {
    font-size: 0.92rem;
  }

  .toc-secondary-link {
    display: block;
    margin: 0.2rem 0 0;
  }

  .site-footer {
    align-items: flex-start;
  }
}