:root {
  --bg: #07111f;
  --bg-deep: #040a12;
  --panel: #0b1727;
  --panel-soft: #0e1d30;
  --line: rgba(170, 201, 225, 0.16);
  --line-strong: rgba(170, 201, 225, 0.3);
  --text: #e9f0f6;
  --muted: #9cb0c1;
  --muted-2: #71869a;
  --accent: #67d4ff;
  --accent-2: #8b7cff;
  --accent-3: #b6ffda;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.26);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 9%, rgba(103, 212, 255, 0.08), transparent 28rem),
    radial-gradient(circle at 15% 34%, rgba(139, 124, 255, 0.055), transparent 30rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0.12;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--accent);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--bg-deep);
  background: var(--accent);
  border-radius: 8px;
  transform: translateY(-160%);
}

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

.section-shell {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(7, 17, 31, 0.78);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(4, 10, 18, 0.9);
}

.nav-wrap {
  width: min(calc(100% - 40px), var(--max));
  min-height: 72px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-size: 0.93rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.mark {
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(103, 212, 255, 0.42);
  border-radius: 50%;
  color: var(--accent);
  background: linear-gradient(145deg, rgba(103, 212, 255, 0.12), rgba(139, 124, 255, 0.08));
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
}

#site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 32px);
}

#site-nav a {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
}

#site-nav a:hover,
#site-nav a:focus-visible {
  color: var(--text);
}

.menu-button {
  display: none;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: transparent;
  padding: 7px 11px;
}

.hero {
  min-height: calc(100vh - 73px);
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(330px, 0.82fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
  padding-block: 88px 96px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.about-copy h2,
.contact-inner h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.038em;
  line-height: 1.04;
}

.hero h1 {
  max-width: 850px;
  font-size: clamp(3.1rem, 7.6vw, 6.85rem);
}

.hero h1 span {
  color: transparent;
  background: linear-gradient(100deg, var(--accent) 0%, #8fd8ff 42%, #a899ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-lede {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.7vw, 1.22rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 19px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 0.89rem;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #04111a;
  background: linear-gradient(135deg, var(--accent), #b6e9ff);
  box-shadow: 0 12px 34px rgba(103, 212, 255, 0.13);
}

.button.primary:hover {
  color: #04111a;
}

.button.secondary {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
}

.button.secondary:hover {
  color: var(--text);
  border-color: rgba(103, 212, 255, 0.5);
  background: rgba(103, 212, 255, 0.06);
}

.identity-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 30px;
}

.identity-links a {
  color: var(--muted-2);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.field-visual {
  position: relative;
  width: min(100%, 470px);
  aspect-ratio: 1;
  justify-self: end;
  display: grid;
  place-items: center;
  border: 1px solid rgba(103, 212, 255, 0.13);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(103, 212, 255, 0.12) 0%, rgba(103, 212, 255, 0.04) 22%, transparent 60%),
    rgba(4, 10, 18, 0.22);
  box-shadow: inset 0 0 100px rgba(103, 212, 255, 0.04), var(--shadow);
}

.field-visual::before,
.field-visual::after {
  position: absolute;
  inset: 9%;
  content: "";
  border: 1px dashed rgba(103, 212, 255, 0.16);
  border-radius: 50%;
}

.field-visual::after {
  inset: 21%;
  border-style: solid;
  border-color: rgba(139, 124, 255, 0.18);
}

.orbit {
  position: absolute;
  width: 78%;
  height: 34%;
  border: 1px solid rgba(103, 212, 255, 0.35);
  border-radius: 50%;
}

.orbit-one {
  transform: rotate(8deg);
}

.orbit-two {
  transform: rotate(68deg);
  border-color: rgba(139, 124, 255, 0.38);
}

.orbit-three {
  transform: rotate(128deg);
  border-color: rgba(182, 255, 218, 0.28);
}

.field-core {
  position: relative;
  z-index: 2;
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid rgba(103, 212, 255, 0.5);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #142d45, #081321 70%);
  box-shadow: 0 0 55px rgba(103, 212, 255, 0.13);
}

.field-core span {
  color: var(--accent);
  font-family: Georgia, serif;
  font-size: 2.4rem;
  line-height: 1;
}

.field-core small {
  color: var(--muted-2);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field-label {
  position: absolute;
  padding: 6px 9px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 17, 31, 0.8);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.label-a { top: 15%; right: 13%; }
.label-b { bottom: 20%; left: 6%; }
.label-c { right: 2%; bottom: 32%; }

.status-strip {
  border-block: 1px solid var(--line);
  background: rgba(4, 10, 18, 0.4);
}

.status-grid {
  min-height: 112px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
}

.status-grid > div {
  display: grid;
  gap: 4px;
  padding-inline: clamp(20px, 4vw, 54px);
  border-left: 1px solid var(--line);
}

.status-grid > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.status-grid strong {
  font-family: Georgia, serif;
  font-size: 1.65rem;
  font-weight: 500;
}

.status-grid span {
  color: var(--muted-2);
  font-size: 0.77rem;
}

.section {
  padding-block: clamp(88px, 11vw, 148px);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 48px;
}

.section-heading.narrow {
  max-width: 900px;
}

.section-heading h2,
.about-copy h2,
.contact-inner h2 {
  font-size: clamp(2.4rem, 5.1vw, 4.9rem);
}

.section-heading > p:last-child,
.about-copy > p,
.publications-heading > p {
  color: var(--muted);
  font-size: 1.04rem;
}

.logic-chain {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(9, 22, 37, 0.54);
}

.logic-chain > div {
  min-height: 250px;
  padding: 28px;
  border-left: 1px solid var(--line);
}

.logic-chain > div:first-child {
  border-left: 0;
}

.logic-chain span,
.card-index,
.paper-type,
.publication p {
  color: var(--accent);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.logic-chain strong {
  display: block;
  margin-top: 50px;
  font-family: Georgia, serif;
  font-size: 1.25rem;
  font-weight: 500;
}

.logic-chain p {
  color: var(--muted-2);
  font-size: 0.88rem;
}

.status-note {
  margin-top: 22px;
  padding: 21px 24px;
  color: var(--muted);
  border-left: 2px solid var(--accent);
  background: rgba(103, 212, 255, 0.045);
  font-size: 0.9rem;
}

.status-note strong {
  color: var(--text);
}

.reading-path {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.reading-path li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding-block: 30px;
  border-bottom: 1px solid var(--line);
}

.step {
  color: var(--muted-2);
  font-family: Georgia, serif;
  font-size: 1.15rem;
}

.reading-path h3,
.branch-card h3,
.publication h3 {
  margin: 0;
  font-family: Georgia, serif;
  font-weight: 500;
  line-height: 1.24;
}

.reading-path h3 {
  font-size: clamp(1.45rem, 3vw, 2.15rem);
}

.reading-path h3 a,
.publication h3 a {
  text-decoration: none;
}

.reading-path p:last-child {
  max-width: 820px;
  margin-bottom: 0;
  color: var(--muted);
}

.paper-type {
  margin: 0 0 8px;
}

.text-link {
  display: inline-flex;
  gap: 10px;
  margin-top: 28px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.branch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.branch-card {
  min-height: 340px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(14, 29, 48, 0.72), rgba(8, 18, 31, 0.78));
  transition: transform 180ms ease, border-color 180ms ease;
}

.branch-card:hover {
  transform: translateY(-4px);
  border-color: rgba(103, 212, 255, 0.35);
}

.branch-card.featured {
  background:
    radial-gradient(circle at 100% 0%, rgba(103, 212, 255, 0.1), transparent 14rem),
    linear-gradient(145deg, rgba(14, 29, 48, 0.88), rgba(8, 18, 31, 0.82));
}

.branch-card h3 {
  margin-top: 40px;
  font-size: 1.5rem;
}

.branch-card > p:not(.card-index) {
  color: var(--muted);
  font-size: 0.9rem;
}

.branch-card > a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
  color: var(--text);
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  font-weight: 750;
  text-decoration: none;
}

.branch-card > a span {
  color: var(--accent);
}

.data-caveats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}

.data-caveats p {
  margin: 0;
  padding: 18px 20px;
  color: var(--muted-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.78rem;
}

.data-caveats strong {
  color: var(--muted);
}

.orientation {
  margin-top: 40px;
}

.orientation-title {
  margin: 0 0 18px;
  color: var(--muted-2);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.orientation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.orientation-grid li {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(9, 22, 37, 0.5);
}

.orientation-tag {
  margin: 0;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.orientation-grid li p:not(.orientation-tag) {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.orientation-grid .text-link {
  margin-top: auto;
}

.orientation-grid code {
  font-size: 0.86em;
}

.reading-doi {
  margin: 10px 0 0;
}

.reading-doi a {
  color: var(--muted-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.74rem;
  text-decoration: none;
}

.publications-section {
  border-block: 1px solid var(--line);
  background: rgba(4, 10, 18, 0.44);
}

.latest-releases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 8px;
}

.release-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(14, 29, 48, 0.72), rgba(8, 18, 31, 0.78));
  transition: transform 180ms ease, border-color 180ms ease;
}

.release-card:hover {
  transform: translateY(-4px);
  border-color: rgba(103, 212, 255, 0.35);
}

.release-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
}

.release-date {
  color: var(--accent);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pub-status {
  padding: 4px 10px;
  border: 1px solid rgba(103, 212, 255, 0.4);
  border-radius: 999px;
  background: rgba(103, 212, 255, 0.07);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}

.release-card h3 {
  margin: 0;
  font-family: Georgia, serif;
  font-weight: 500;
  font-size: 1.2rem;
  line-height: 1.25;
}

.release-card h3 a {
  text-decoration: none;
}

.release-card > p:not(.release-meta) {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.release-card code {
  margin-top: 16px;
  color: var(--muted-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
}

.archive-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(9, 22, 37, 0.5);
}

.archive-cta p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.archive-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.publications-heading {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr minmax(260px, 390px);
  align-items: end;
  gap: 40px;
}

.publications-heading > p {
  margin: 0 0 4px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.filter {
  padding: 9px 13px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.018);
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 700;
}

.filter span {
  margin-left: 5px;
  color: var(--muted-2);
}

.filter:hover,
.filter:focus-visible,
.filter.active {
  color: var(--text);
  border-color: rgba(103, 212, 255, 0.42);
  background: rgba(103, 212, 255, 0.075);
}

.publication-list {
  border-top: 1px solid var(--line);
}

.publication {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding-block: 25px;
  border-bottom: 1px solid var(--line);
  transition: opacity 150ms ease;
}

.publication[hidden] {
  display: none;
}

.pub-number {
  color: var(--muted-2);
  font-family: Georgia, serif;
  font-size: 1rem;
}

.publication p {
  margin: 0 0 7px;
}

.publication h3 {
  max-width: 940px;
  font-size: clamp(1.1rem, 2.3vw, 1.5rem);
}

.publication code {
  display: inline-block;
  margin-top: 10px;
  color: var(--muted-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
}

.about-section {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(50px, 9vw, 110px);
  align-items: start;
}

.about-copy > p {
  max-width: 760px;
}

.about-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.about-facts div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
}

.about-facts dt {
  color: var(--muted-2);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about-facts dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-section {
  padding-block: 84px;
  border-block: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 30%, rgba(103, 212, 255, 0.09), transparent 26rem),
    var(--panel);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 40px;
}

.contact-inner h2 {
  max-width: 820px;
  font-size: clamp(2rem, 4.5vw, 4rem);
}

.contact-actions {
  margin-top: 0;
}

.site-footer {
  padding-block: 58px 28px;
  background: var(--bg-deep);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 180px 180px;
  gap: 40px;
}

.footer-grid p {
  max-width: 420px;
  color: var(--muted-2);
  font-size: 0.82rem;
}

.footer-grid h2 {
  margin: 0 0 14px;
  color: var(--muted-2);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.footer-grid > div:not(:first-child) {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.footer-grid > div:not(:first-child) a {
  color: var(--muted);
  font-size: 0.81rem;
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding-top: 24px;
  color: var(--muted-2);
  border-top: 1px solid var(--line);
  font-size: 0.72rem;
}

.footer-bottom a {
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: no-preference) {
  .orbit-one { animation: orbit-one 22s linear infinite; }
  .orbit-two { animation: orbit-two 28s linear infinite reverse; }
  .orbit-three { animation: orbit-three 34s linear infinite; }

  @keyframes orbit-one { to { transform: rotate(368deg); } }
  @keyframes orbit-two { to { transform: rotate(428deg); } }
  @keyframes orbit-three { to { transform: rotate(488deg); } }
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: 86px;
  }

  .field-visual {
    width: min(100%, 430px);
    justify-self: center;
  }

  .logic-chain,
  .branch-grid,
  .orientation-grid,
  .latest-releases {
    grid-template-columns: repeat(2, 1fr);
  }

  .orientation-grid li:last-child {
    grid-column: 1 / -1;
  }

  .logic-chain > div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .logic-chain > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .about-section {
    grid-template-columns: 1fr;
  }

  .publications-heading,
  .contact-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 760px) {
  .section-shell,
  .nav-wrap {
    width: min(calc(100% - 28px), var(--max));
  }

  .menu-button {
    display: inline-flex;
  }

  #site-nav {
    position: absolute;
    top: 72px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(4, 10, 18, 0.98);
    box-shadow: var(--shadow);
  }

  #site-nav.open {
    display: flex;
  }

  #site-nav a {
    padding: 12px 11px;
    border-radius: 8px;
  }

  #site-nav a:hover {
    background: rgba(103, 212, 255, 0.06);
  }

  .hero {
    gap: 58px;
    padding-block: 62px 76px;
  }

  .hero h1 {
    font-size: clamp(2.85rem, 15vw, 4.7rem);
  }

  .field-visual {
    width: min(100%, 340px);
  }

  .field-core {
    width: 88px;
    height: 88px;
  }

  .status-grid {
    grid-template-columns: 1fr;
    padding-block: 8px;
  }

  .status-grid > div,
  .status-grid > div:first-child {
    min-height: 82px;
    align-content: center;
    padding-inline: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .status-grid > div:first-child {
    border-top: 0;
  }

  .logic-chain,
  .branch-grid,
  .data-caveats,
  .orientation-grid,
  .latest-releases {
    grid-template-columns: 1fr;
  }

  .orientation-grid li:last-child {
    grid-column: auto;
  }

  .archive-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .logic-chain > div,
  .logic-chain > div:nth-child(2),
  .logic-chain > div:nth-child(3),
  .logic-chain > div:nth-child(4) {
    min-height: 210px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .logic-chain > div:first-child {
    border-top: 0;
  }

  .reading-path li {
    grid-template-columns: 46px 1fr;
    gap: 12px;
  }

  .publication {
    grid-template-columns: 42px 1fr;
    gap: 10px;
  }

  .about-facts div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid > div:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .identity-links {
    gap: 16px;
  }

  .filter-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .filter {
    text-align: left;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid > div:first-child {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }
}