@font-face {
  font-family: Manrope;
  src: url("/assets/fonts/manrope-latin.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}
:root {
  --paper: #f6f5f1;
  --ink: #151515;
  --muted: #62625e;
  --line: #d3d2cc;
  --red: #d9291c;
  --red-text: #bc2117;
  --gutter: clamp(22px, 4.3vw, 88px);
  --sans: Manrope, Arial, Helvetica, sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: auto;
  scroll-padding-top: 105px;
}
html.lenis,
html.lenis body {
  height: auto;
}
.lenis [data-lenis-prevent] {
  overscroll-behavior: contain;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
}
a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
}
button,
a,
summary {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
}
figure,
p,
h1,
h2,
h3,
h4 {
  margin: 0;
}
button {
  border-radius: 0;
}
::selection {
  background: var(--red);
  color: white;
}
:focus-visible {
  outline: 2px solid var(--red-text);
  outline-offset: 6px;
}
[tabindex="-1"]:focus {
  outline: none;
}
.skip-link {
  position: fixed;
  left: 20px;
  top: -100px;
  z-index: 100;
  background: var(--ink);
  color: white;
  padding: 16px 24px;
}
.skip-link:focus {
  top: 12px;
}
.section-shell {
  padding: 100px var(--gutter);
}
.site-header {
  height: 100px;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: relative;
  z-index: 20;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  font-size: 32px;
  font-weight: 650;
  letter-spacing: -2px;
  line-height: 1;
}
.brand span {
  color: var(--red);
  font-weight: 500;
}
.brand i {
  font-size: 16px;
  align-self: flex-start;
  letter-spacing: 0;
  margin-left: 5px;
  font-style: normal;
}
.header-status {
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--red);
}
#primary-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 12px;
  font-weight: 600;
}
#primary-nav a {
  padding: 12px 0;
  position: relative;
}
#primary-nav a:after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 0;
  height: 1px;
  width: 100%;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}
#primary-nav a:hover:after {
  transform: scaleX(1);
}
#primary-nav .nav-contact {
  margin-left: 16px;
}
.nav-contact span {
  margin-left: 18px;
}
.menu-toggle {
  display: none;
}
.hero {
  padding: 48px var(--gutter) 50px;
}
.hero-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-index {
  color: var(--muted);
}
h1 {
  font-size: clamp(68px, 8.55vw, 165px);
  letter-spacing: -0.072em;
  line-height: 1.02;
  font-weight: 500;
  margin: 55px 0 38px;
}
h1 > span {
  white-space: nowrap;
}
.hero-bottom {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  padding-top: 8px;
}
.hero-bottom p {
  font-size: clamp(14px, 1.25vw, 19px);
  line-height: 1.65;
  max-width: 580px;
  letter-spacing: -0.02em;
}
.circle-link {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 12px;
}
.circle-link i {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-size: 28px;
  font-style: normal;
  transition:
    background 0.25s,
    color 0.25s,
    transform 0.25s;
}
.circle-link:hover i {
  background: var(--ink);
  color: var(--paper);
  transform: rotate(45deg);
}
.hero-image {
  margin: 0 var(--gutter);
  position: relative;
  overflow: hidden;
  background: #262828;
  isolation: isolate;
}
.hero-image > img {
  width: 100%;
  height: clamp(390px, 43vw, 770px);
  object-fit: cover;
  object-position: 50% 44%;
  filter: brightness(0.77) saturate(0.78);
}
.photo-overlay {
  position: absolute;
  inset: 0 0 46px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: white;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.44), transparent 65%);
}
.image-eyebrow {
  font-size: 10px;
  letter-spacing: 0.12em;
}
.photo-overlay p {
  font-size: clamp(32px, 4.5vw, 80px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.1;
  max-width: 600px;
  margin-top: auto;
  margin-bottom: 30px;
  text-shadow: 0 2px 12px #0003;
}
.image-index {
  font-size: 10px;
  letter-spacing: 0.08em;
}
.hero-image figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  background: var(--ink);
  color: #c9c9c2;
  padding: 16px 25px;
  font-size: 10px;
}
.hero-image figcaption a {
  color: #fff;
}
.section-label {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.06em;
}
.section-label > span:last-child {
  color: var(--muted);
  letter-spacing: 0;
  text-align: right;
}
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 7vw;
  padding: 58px 0 68px;
}
h2 {
  font-weight: 500;
  font-size: clamp(40px, 4.3vw, 78px);
  line-height: 1.13;
  letter-spacing: -0.055em;
}
.intro-copy {
  padding-top: 5px;
}
.intro-copy p {
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: -0.02em;
  max-width: 540px;
}
.intro-copy p + p {
  margin-top: 20px;
  color: var(--muted);
}
.underlined-link {
  display: inline-flex;
  gap: 45px;
  align-items: center;
  border-bottom: 1px solid;
  padding: 10px 0;
  margin-top: 26px;
  font-size: 12px;
  font-weight: 600;
}
.underlined-link span {
  font-size: 18px;
  transition: transform 0.2s;
}
.underlined-link:hover span {
  transform: translate(3px, -3px);
}
.editorial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.editorial-photo {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/4.7;
  background: #ddd;
}
.editorial-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.7);
  transition:
    transform 0.7s cubic-bezier(0.2, 0.7, 0.3, 1),
    filter 0.5s;
}
.editorial-item:hover img {
  transform: scale(1.035);
  filter: saturate(1);
}
.editorial-photo span {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: var(--paper);
  font-size: 9px;
  padding: 8px 10px;
  letter-spacing: 0.08em;
}
.item-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0 12px;
  border-bottom: 1px solid var(--line);
  gap: 12px;
}
.item-heading h3 {
  font-size: clamp(19px, 1.85vw, 30px);
  font-weight: 500;
  letter-spacing: -0.04em;
}
.item-heading > span {
  font-size: 25px;
}
.editorial-item > p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 14px;
  max-width: 340px;
}
.section-footnote {
  font-size: 10px;
  color: var(--muted);
  margin-top: 35px;
  line-height: 1.8;
  max-width: 720px;
}
.section-footnote a {
  text-decoration: underline;
}
.architecture {
  background: var(--ink);
  color: var(--paper);
}
.architecture .section-label {
  border-color: #454543;
}
.architecture .section-label > span:last-child {
  color: #aaa9a4;
}
.architecture-intro {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 8vw;
  padding: 55px 0;
}
.architecture-intro > p {
  align-self: end;
  font-size: 16px;
  line-height: 1.8;
  color: #bbbcb6;
  max-width: 500px;
}
.system-diagram {
  border: 1px solid #53534f;
  padding: 30px;
}
.diagram-heading {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  letter-spacing: 0.08em;
  color: #b8b9b1;
  padding-bottom: 28px;
}
.diagram-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid #53534f;
  border-bottom: 1px solid #53534f;
}
.diagram-top > div {
  padding: 28px 22px 28px 0;
}
.diagram-top > div + div {
  padding-left: 26px;
  border-left: 1px solid #53534f;
}
.diagram-no {
  font-size: 10px;
  color: #b9b9b2;
  letter-spacing: 0.07em;
}
.diagram-top h3 {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 22px 0 10px;
}
.diagram-top p {
  font-size: 11px;
  line-height: 1.7;
  color: #b9b9b2;
}
.optional-model h3:after {
  content: " ↗";
  color: #aaa;
}
.diagram-connection {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  color: #bdbdb5;
  padding: 25px 0;
}
.diagram-connection > span:first-child {
  font-size: 22px;
  color: white;
}
.diagram-connection > span:last-child {
  margin-left: auto;
}
.diagram-broker {
  padding: 27px;
  background: #2c2c29;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  border-left: 3px solid var(--red);
}
.diagram-broker strong {
  font-weight: 500;
  font-size: 15px;
}
.diagram-broker > span {
  font-size: 10px;
  color: #bdbdb5;
}
.local-boundary {
  margin-top: 35px;
  border: 1px solid #77776f;
  padding: 24px 27px;
}
.local-heading {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  font-size: 9px;
  letter-spacing: 0.08em;
  color: #c8c8c0;
}
.local-heading > span:last-child {
  color: var(--paper);
}
.local-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 26px;
  align-items: start;
}
.local-content h3 {
  font-size: 24px;
  letter-spacing: -0.04em;
  font-weight: 500;
}
.local-content p {
  font-size: 12px;
  line-height: 1.75;
  color: #bdbdb5;
  max-width: 440px;
}
.system-tags {
  display: flex;
  gap: 8px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.system-tags span {
  font-size: 9px;
  padding: 7px 12px;
  border: 1px solid #6c6c65;
}
.system-diagram figcaption {
  font-size: 10px;
  line-height: 1.8;
  color: #aaa9a4;
  margin-top: 22px;
  max-width: 750px;
}
.reliability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
  padding-top: 55px;
}
.reliability-title > p {
  font-size: 15px;
  line-height: 1.7;
  max-width: 410px;
  margin: 26px 0 35px;
  color: var(--muted);
}
.reliability-title > img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  filter: saturate(0.55);
}
.reliability-title small {
  font-size: 9px;
  display: block;
  margin-top: 10px;
  color: var(--muted);
}
.reliability-title small a {
  text-decoration: underline;
}
.principles > article {
  display: flex;
  gap: 25px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.principles > article:first-child {
  padding-top: 0;
  border: 0;
}
.principles > article > span {
  font-size: 10px;
  padding-top: 9px;
  color: var(--red-text);
}
.principles h3 {
  font-size: 27px;
  letter-spacing: -0.04em;
  font-weight: 500;
  margin-bottom: 16px;
}
.principles p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 400px;
}
.compatibility-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
  padding: 40px;
  margin-top: 64px;
  border: 1px solid var(--line);
  background: #eeede7;
}
.eyebrow {
  font-size: 9px;
  letter-spacing: 0.1em;
}
.demo-intro h3 {
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.04em;
  font-weight: 500;
  margin: 24px 0 14px;
}
.demo-intro > p {
  font-size: 12px;
  color: var(--muted);
}
.profile-picker {
  display: flex;
  gap: 8px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.profile-picker button {
  padding: 12px 15px;
  font-size: 11px;
  border: 1px solid #7b7b71;
  background: transparent;
  min-height: 44px;
}
.profile-picker button.is-selected {
  background: var(--ink);
  border-color: var(--ink);
  color: white;
}
.demo-checks > div:not(.compatibility-result) {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 17px 0;
  border-bottom: 1px solid #cecdc6;
  font-size: 11px;
}
.demo-checks strong {
  color: #315647;
  font-size: 10px;
  font-weight: 500;
  white-space: nowrap;
}
.demo-checks strong > span {
  margin-right: 5px;
}
.demo-checks strong.is-missing {
  color: var(--red-text);
}
.compatibility-result {
  margin-top: 24px;
  padding-left: 15px;
  border-left: 2px solid #315647;
}
.compatibility-result.is-incompatible {
  border-color: var(--red-text);
}
.compatibility-result h4 {
  font-size: 13px;
  font-weight: 600;
}
.compatibility-result p {
  font-size: 11px;
  line-height: 1.7;
  margin-top: 8px;
  color: var(--muted);
}
.roadmap {
  background: #e9e8e1;
}
.roadmap-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
  padding: 55px 0 60px;
}
.roadmap-heading > div {
  align-self: end;
}
.status-pill {
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.roadmap-heading p {
  font-size: 15px;
  line-height: 1.75;
  margin-top: 22px;
  max-width: 440px;
  color: var(--muted);
}
.phase {
  display: grid;
  grid-template-columns: 110px 1fr 1.1fr;
  gap: 35px;
  border-top: 1px solid #c4c4bc;
  padding: 35px 0 40px;
}
.phase-number {
  font-size: 70px;
  letter-spacing: -0.075em;
  line-height: 1;
  color: #75756f;
}
.current .phase-number {
  color: var(--red);
}
.phase-state {
  font-size: 9px;
  letter-spacing: 0.09em;
  color: var(--muted);
}
.current .phase-state {
  color: var(--red-text);
}
.phase-name h3 {
  font-size: 30px;
  letter-spacing: -0.045em;
  font-weight: 500;
  margin-top: 15px;
}
.phase-body p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 470px;
}
.phase-body > span {
  display: block;
  font-size: 9px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin-top: 22px;
}
.roadmap-note {
  font-size: 10px;
  line-height: 1.8;
  max-width: 820px;
  color: var(--muted);
  border-top: 1px solid #c4c4bc;
  padding-top: 28px;
}
.faq {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 8vw;
}
.faq-heading h2 {
  margin-top: 22px;
  font-size: 44px;
}
.faq-list details {
  border-top: 1px solid var(--line);
  padding: 0 0;
}
.faq-list details:last-child {
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 25px;
  align-items: center;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 500;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary > span {
  font-size: 22px;
  font-weight: 400;
  transition: transform 0.2s;
}
.faq-list details[open] summary > span {
  transform: rotate(45deg);
}
.faq-list p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  padding: 0 30px 24px 0;
}
.faq-list summary:focus-visible {
  outline-offset: 3px;
}
.participate {
  background: var(--red);
  color: var(--paper);
  padding-bottom: 40px;
  position: relative;
}
.anchor-alias {
  position: absolute;
  top: 0;
}
.participate .section-label {
  border-color: #ef978f;
}
.participate .section-label > span:last-child {
  color: var(--paper);
}
.contact-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 60px 0 70px;
}
.contact-heading h2 {
  font-size: clamp(48px, 6.3vw, 110px);
  line-height: 1.07;
  letter-spacing: -0.06em;
}
.contact-arrow {
  font-size: 120px;
  line-height: 1;
  transition: transform 0.3s;
  font-family: Arial, sans-serif;
  font-weight: 300;
}
.contact-arrow:hover {
  transform: translate(8px, -8px);
}
.participation-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
}
.participation-links > a {
  padding: 24px 0 28px;
  border-top: 1px solid #ef978f;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.participation-links > a > span {
  font-size: 9px;
  letter-spacing: 0.09em;
}
.participation-links strong {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.04em;
}
.participation-links i {
  font-style: normal;
}
.participation-links small {
  font-size: 11px;
  line-height: 1.7;
}
.participation-links a:hover strong {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.contact-bottom {
  padding-top: 28px;
  margin-top: 20px;
  border-top: 1px solid #ef978f;
  display: flex;
  justify-content: space-between;
  gap: 25px;
  align-items: center;
}
.contact-bottom > a {
  font-size: 14px;
}
.contact-bottom > span {
  font-size: 10px;
}
.site-footer {
  padding: 50px var(--gutter) 24px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding-bottom: 40px;
}
.footer-top p {
  font-size: 12px;
  color: var(--muted);
}
.footer-top > a:last-child {
  font-size: 11px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-size: 9px;
  color: var(--muted);
}
.footer-bottom nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
.footer-bottom a:hover {
  text-decoration: underline;
}
@media (min-width: 1700px) {
  .section-shell {
    padding-top: 125px;
    padding-bottom: 125px;
  }
  .hero {
    padding-top: 60px;
    padding-bottom: 65px;
  }
  .hero-bottom p {
    max-width: 710px;
  }
}
@media (max-width: 1150px) {
  .header-status {
    display: none;
  }
  .site-header {
    height: 85px;
  }
  .hero {
    padding-top: 35px;
  }
  h1 {
    font-size: 8.7vw;
  }
  .section-shell {
    padding-top: 75px;
    padding-bottom: 75px;
  }
  .intro-grid,
  .architecture-intro,
  .reliability-grid,
  .roadmap-heading,
  .compatibility-demo,
  .faq {
    gap: 5vw;
  }
  .intro-copy p {
    font-size: 15px;
  }
  .editorial-grid {
    gap: 18px;
  }
  .principles h3 {
    font-size: 24px;
  }
  .phase {
    grid-template-columns: 70px 1fr 1.1fr;
    gap: 28px;
  }
  .phase-number {
    font-size: 56px;
  }
  .phase-name h3 {
    font-size: 26px;
  }
  .diagram-broker {
    align-items: start;
    flex-direction: column;
    gap: 10px;
  }
}
@media (max-width: 820px) {
  html {
    scroll-padding-top: 24px;
  }
  .site-header {
    height: 78px;
    gap: 20px;
  }
  .brand {
    font-size: 29px;
  }
  .menu-toggle {
    display: flex;
    background: none;
    border: 0;
    gap: 26px;
    align-items: center;
    min-width: 70px;
    min-height: 44px;
    padding: 8px 0;
    font-size: 12px;
  }
  .menu-toggle span {
    font-size: 24px;
    transition: transform 0.2s;
  }
  .menu-toggle[aria-expanded="true"] span {
    transform: rotate(45deg);
  }
  #primary-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 77px;
    background: var(--paper);
    padding: 20px var(--gutter) 30px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 25px #00000008;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    font-size: 22px;
    font-weight: 500;
  }
  #primary-nav.is-open {
    display: flex;
  }
  #primary-nav a {
    padding: 14px 0;
  }
  #primary-nav .nav-contact {
    margin: 10px 0 0;
    color: var(--red-text);
  }
  #primary-nav a:after {
    display: none;
  }
  html:not(.has-js) .site-header {
    height: auto;
    flex-wrap: wrap;
    padding-top: 24px;
    padding-bottom: 24px;
  }
  html:not(.has-js) #primary-nav {
    display: flex;
    position: static;
    padding: 0;
    box-shadow: none;
    border: none;
    font-size: 12px;
    flex-direction: row;
    gap: 18px;
    flex-wrap: wrap;
  }
  html:not(.has-js) #primary-nav .nav-contact {
    margin: 0;
  }
  html:not(.has-js) .menu-toggle {
    display: none;
  }
  .hero-kicker {
    font-size: 9px;
  }
  .hero-index {
    display: none;
  }
  h1 {
    font-size: 8.6vw;
    letter-spacing: -0.065em;
    margin: 45px 0 32px;
  }
  .hero-bottom p {
    font-size: 13px;
    max-width: 390px;
  }
  .circle-link {
    gap: 13px;
    font-size: 10px;
    white-space: nowrap;
  }
  .circle-link i {
    width: 44px;
    height: 44px;
    font-size: 23px;
  }
  .hero-image > img {
    height: 480px;
  }
  .photo-overlay {
    padding: 26px;
  }
  .photo-overlay p {
    font-size: 45px;
  }
  .hero-image figcaption {
    font-size: 9px;
    padding: 14px 20px;
  }
  .intro-grid,
  .architecture-intro {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .intro-copy {
    max-width: 600px;
  }
  .intro-copy p {
    font-size: 16px;
  }
  .editorial-grid {
    gap: 15px;
  }
  .editorial-photo {
    aspect-ratio: 3/4;
  }
  .editorial-photo span {
    font-size: 8px;
    left: 10px;
    bottom: 10px;
    padding: 6px;
  }
  .item-heading h3 {
    font-size: 18px;
  }
  .editorial-item > p {
    font-size: 11px;
  }
  .section-label > span:last-child {
    max-width: 220px;
  }
  .architecture-intro > p {
    max-width: 600px;
    font-size: 15px;
  }
  .diagram-top h3 {
    font-size: 15px;
  }
  .diagram-top p {
    font-size: 10px;
  }
  .diagram-top > div + div {
    padding-left: 18px;
  }
  .local-content h3 {
    font-size: 21px;
  }
  .system-diagram {
    padding: 24px;
  }
  .reliability-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .reliability-title {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 30px;
    align-items: start;
  }
  .reliability-title h2 {
    grid-column: 1;
    grid-row: 1;
    font-size: 39px;
  }
  .reliability-title > p {
    grid-column: 1;
    grid-row: 2;
    margin: 0;
    font-size: 13px;
  }
  .reliability-title > img {
    grid-column: 2;
    grid-row: 1/3;
    aspect-ratio: 1/1;
    height: 100%;
    object-fit: cover;
  }
  .reliability-title > small {
    grid-column: 2;
    margin: 0;
  }
  .principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }
  .principles > article,
  .principles > article:first-child {
    display: block;
    border-top: 1px solid var(--line);
    padding: 20px 0;
  }
  .principles h3 {
    font-size: 21px;
    margin-top: 20px;
  }
  .principles p {
    font-size: 12px;
  }
  .compatibility-demo {
    padding: 30px;
    gap: 30px;
  }
  .demo-intro h3 {
    font-size: 26px;
  }
  .roadmap-heading h2 {
    font-size: 45px;
  }
  .roadmap-heading p {
    font-size: 13px;
  }
  .phase {
    grid-template-columns: 55px 1fr 1.1fr;
    gap: 20px;
  }
  .phase-name h3 {
    font-size: 23px;
  }
  .phase-body p {
    font-size: 12px;
  }
  .phase-body > span {
    font-size: 8px;
  }
  .phase-number {
    font-size: 48px;
  }
  .faq {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .faq-heading h2 {
    font-size: 40px;
    margin-top: 15px;
  }
  .contact-heading h2 {
    font-size: 7.2vw;
  }
  .contact-arrow {
    font-size: 95px;
  }
  .participation-links strong {
    font-size: 21px;
  }
  .footer-top p {
    font-size: 10px;
  }
  .footer-bottom {
    align-items: start;
    flex-direction: column;
    gap: 20px;
  }
}
@media (max-width: 540px) {
  :root {
    --gutter: 20px;
  }
  .section-shell {
    padding: 58px var(--gutter);
  }
  .hero {
    padding: 31px var(--gutter) 32px;
  }
  h1 {
    font-size: clamp(46px, 12.1vw, 66px);
    line-height: 1.04;
    margin: 42px 0 28px;
    letter-spacing: -0.065em;
  }
  h1 > span {
    white-space: normal;
    display: block;
    max-width: 360px;
  }
  .hero-kicker {
    font-size: 8px;
    letter-spacing: 0.065em;
  }
  .hero-bottom {
    display: block;
    padding: 0;
  }
  .hero-bottom p {
    font-size: 13px;
    line-height: 1.7;
    max-width: 340px;
  }
  .desktop-break {
    display: none;
  }
  .circle-link {
    margin-top: 25px;
    justify-content: space-between;
    font-size: 11px;
  }
  .circle-link i {
    width: 42px;
    height: 42px;
    font-size: 24px;
  }
  .hero-image {
    margin: 0 10px;
  }
  .hero-image > img {
    height: 430px;
    object-position: 53% center;
  }
  .photo-overlay {
    padding: 24px 20px;
    bottom: 55px;
    background: linear-gradient(0deg, #0008, transparent);
  }
  .photo-overlay p {
    font-size: 36px;
    line-height: 1.15;
    margin-bottom: 22px;
  }
  .image-eyebrow,
  .image-index {
    font-size: 8px;
  }
  .hero-image figcaption {
    min-height: 55px;
    padding: 12px 15px;
    font-size: 8px;
    line-height: 1.5;
    align-items: center;
    gap: 25px;
  }
  .hero-image figcaption > span {
    max-width: 220px;
  }
  .hero-image figcaption a {
    white-space: nowrap;
  }
  .section-label {
    padding-bottom: 22px;
    font-size: 8px;
    letter-spacing: 0.04em;
    gap: 20px;
  }
  .section-label > span:last-child {
    font-size: 8px;
    max-width: 130px;
    line-height: 1.6;
  }
  .intro-grid {
    padding: 35px 0 42px;
    gap: 25px;
  }
  h2 {
    font-size: 37px;
    letter-spacing: -0.055em;
  }
  .intro-copy p {
    font-size: 14px;
    line-height: 1.8;
  }
  .intro-copy p + p {
    margin-top: 15px;
  }
  .underlined-link {
    font-size: 11px;
    margin-top: 15px;
  }
  .editorial-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .editorial-photo {
    aspect-ratio: 1.1/1;
  }
  .editorial-photo span {
    font-size: 8px;
    left: 15px;
    bottom: 15px;
    padding: 8px;
  }
  .item-heading {
    padding: 17px 0 12px;
  }
  .item-heading h3 {
    font-size: 25px;
  }
  .editorial-item > p {
    font-size: 13px;
    max-width: 330px;
    margin-top: 12px;
  }
  .section-footnote {
    font-size: 9px;
    margin-top: 26px;
  }
  .architecture-intro {
    padding: 35px 0;
    gap: 24px;
  }
  .architecture-intro > p {
    font-size: 13px;
  }
  .system-diagram {
    padding: 20px 16px;
  }
  .diagram-heading {
    font-size: 8px;
    line-height: 1.6;
    padding-bottom: 20px;
    gap: 15px;
  }
  .diagram-heading > span:last-child {
    display: none;
  }
  .diagram-top {
    display: block;
  }
  .diagram-top > div,
  .diagram-top > div + div {
    padding: 22px 0;
    border: 0;
    border-top: 1px solid #53534f;
  }
  .diagram-top > div:first-child {
    border-top: 0;
  }
  .diagram-no {
    font-size: 8px;
  }
  .diagram-top h3 {
    font-size: 19px;
    margin: 12px 0 7px;
  }
  .diagram-top p {
    font-size: 11px;
  }
  .diagram-connection {
    font-size: 9px;
    flex-wrap: wrap;
    gap: 8px;
    padding: 20px 0;
  }
  .diagram-connection > span:last-child {
    margin-left: 22px;
    flex-basis: 100%;
  }
  .diagram-broker {
    padding: 20px 16px;
    gap: 10px;
  }
  .diagram-broker strong {
    font-size: 14px;
    line-height: 1.6;
  }
  .diagram-broker > span {
    font-size: 9px;
    line-height: 1.6;
  }
  .local-boundary {
    padding: 20px 16px;
    margin-top: 24px;
  }
  .local-heading {
    font-size: 8px;
    gap: 10px;
  }
  .local-content {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 24px;
  }
  .local-content h3 {
    font-size: 21px;
  }
  .local-content p {
    font-size: 11px;
  }
  .system-tags {
    gap: 6px;
  }
  .system-tags span {
    font-size: 8px;
    padding: 6px 8px;
  }
  .system-diagram figcaption {
    font-size: 9px;
  }
  .reliability-grid {
    padding-top: 35px;
    gap: 35px;
  }
  .reliability-title {
    display: block;
  }
  .reliability-title h2 {
    font-size: 37px;
  }
  .reliability-title > p {
    font-size: 13px;
    margin: 22px 0 26px;
  }
  .reliability-title > img {
    aspect-ratio: 4/3;
    height: auto;
  }
  .reliability-title > small {
    margin-top: 10px;
    font-size: 8px;
  }
  .principles {
    display: block;
  }
  .principles > article,
  .principles > article:first-child {
    display: flex;
    padding: 24px 0;
    gap: 20px;
  }
  .principles > article > span {
    padding-top: 5px;
  }
  .principles h3 {
    font-size: 24px;
    margin: 0 0 14px;
  }
  .principles p {
    font-size: 13px;
  }
  .compatibility-demo {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 24px 20px;
    margin-top: 24px;
  }
  .eyebrow {
    font-size: 8px;
  }
  .demo-intro h3 {
    font-size: 27px;
    margin-top: 20px;
  }
  .demo-intro > p {
    font-size: 11px;
  }
  .profile-picker button {
    font-size: 10px;
    padding: 12px;
  }
  .demo-checks > div:not(.compatibility-result) {
    font-size: 10px;
    gap: 10px;
  }
  .demo-checks strong {
    font-size: 9px;
  }
  .compatibility-result h4 {
    font-size: 12px;
  }
  .compatibility-result p {
    font-size: 10px;
  }
  .roadmap-heading {
    grid-template-columns: 1fr;
    padding: 35px 0 38px;
    gap: 26px;
  }
  .roadmap-heading h2 {
    font-size: 40px;
  }
  .roadmap-heading p {
    margin-top: 15px;
  }
  .status-pill {
    font-size: 10px;
  }
  .phase {
    grid-template-columns: 48px 1fr;
    gap: 15px 20px;
    padding: 25px 0 28px;
  }
  .phase-number {
    font-size: 48px;
    grid-row: 1/3;
  }
  .phase-name h3 {
    font-size: 28px;
    margin-top: 10px;
  }
  .phase-body {
    grid-column: 2;
  }
  .phase-body p {
    font-size: 12px;
  }
  .phase-body > span {
    font-size: 8px;
    margin-top: 15px;
  }
  .phase-state {
    font-size: 8px;
  }
  .roadmap-note {
    font-size: 9px;
    padding-top: 24px;
  }
  .faq {
    gap: 25px;
  }
  .faq-heading h2 {
    font-size: 37px;
  }
  .faq-list summary {
    font-size: 13px;
    padding: 20px 0;
    gap: 18px;
  }
  .faq-list p {
    font-size: 12px;
    padding: 0 10px 24px 0;
  }
  .contact-heading {
    padding: 40px 0 42px;
    align-items: end;
    gap: 10px;
  }
  .contact-heading h2 {
    font-size: 10.1vw;
    line-height: 1.09;
  }
  .contact-arrow {
    font-size: 56px;
    margin-bottom: 5px;
  }
  .participation-links {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .participation-links > a {
    padding: 22px 0;
    gap: 13px;
  }
  .participation-links strong {
    font-size: 23px;
  }
  .participation-links small {
    font-size: 10px;
    max-width: 270px;
  }
  .contact-bottom {
    flex-direction: column;
    align-items: start;
    gap: 12px;
    margin-top: 12px;
    padding-top: 24px;
  }
  .contact-bottom > a {
    font-size: 13px;
  }
  .contact-bottom > span {
    font-size: 9px;
  }
  .site-footer {
    padding: 40px var(--gutter) 26px;
  }
  .footer-top {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    padding-bottom: 26px;
  }
  .footer-top p {
    grid-column: 1/3;
    grid-row: 2;
    font-size: 10px;
  }
  .footer-top > a:last-child {
    font-size: 10px;
  }
  .footer-bottom {
    font-size: 8px;
    gap: 20px;
    padding-top: 22px;
  }
  .footer-bottom nav {
    gap: 12px 19px;
    font-size: 9px;
  }
  .footer-bottom a {
    min-height: 28px;
    display: flex;
    align-items: center;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
  .editorial-item:hover img {
    transform: none;
  }
  .circle-link:hover i,
  .contact-arrow:hover {
    transform: none;
  }
}
.photo-credit {
  display: block;
  font-size: 8px;
  color: var(--muted);
  margin-top: 8px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.hero-image > img {
  filter: none;
  object-position: center;
}
.photo-overlay {
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.72), transparent 70%);
}
/* Centered, photographic direction. */
:root {
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --paper: #faf9f6;
  --gutter: clamp(22px, 7vw, 120px);
}
html {
  scroll-padding-top: 35px;
}
body {
  font-weight: 400;
}
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  border: 0;
  background: transparent;
  height: 90px;
  z-index: 30;
}
.brand {
  font-size: 30px;
  letter-spacing: -1.8px;
  font-weight: 500;
}
.brand span {
  color: inherit;
}
.header-status {
  font-size: 11px;
  display: inline-block;
  color: var(--ink);
}
.header-contact {
  font-size: 12px;
  text-transform: uppercase;
}
.site-header #primary-nav {
  position: fixed;
  top: auto;
  left: 50%;
  right: auto;
  bottom: 25px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: row;
  gap: 20px;
  padding: 12px 18px;
  background: rgba(44, 44, 42, 0.9);
  color: #fff;
  font-weight: 400;
  font-size: 13px;
  backdrop-filter: blur(16px);
  border-radius: 3px;
  box-shadow: none;
  border: 0;
  z-index: 60;
  width: max-content;
  max-width: calc(100vw - 32px);
}
#primary-nav a {
  padding: 6px 0;
  min-height: 24px;
  white-space: nowrap;
}
#primary-nav a:after {
  bottom: 0;
}
#primary-nav a:hover {
  color: #d8d7cf;
}
.centered-hero {
  padding: 90px 0 100px;
  position: relative;
  min-height: 720px;
  height: 100svh;
  max-height: 1200px;
  display: flex;
  flex-direction: column;
  isolation: isolate;
  overflow: hidden;
}
.hero-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 22px;
  padding: 30px 20px;
}
.hero-center h1 {
  font-size: clamp(66px, 6.65vw, 122px);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: -0.04em;
  margin: 0;
  text-align: center;
}
.hero-subline {
  font-size: 11px;
  color: #64645e;
  line-height: 1.5;
  text-align: center;
}
.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.35s ease;
  background: #111;
}
.hero-backdrop:after {
  content: "";
  position: absolute;
  inset: 0;
  background: #0005;
}
.hero-backdrop > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-active .hero-backdrop {
  opacity: 1;
}
.gallery-active .hero-center {
  color: white;
}
.gallery-active .hero-subline {
  color: white;
}
.gallery-active .ribbon-meta {
  color: #fff;
}
.image-ribbon {
  display: flex;
  width: 100%;
  gap: 6px;
  overflow-x: auto;
  overflow-y: visible;
  padding: 12px 10px 10px;
  align-items: end;
  scrollbar-width: none;
  justify-content: center;
  flex-shrink: 0;
}
.image-ribbon::-webkit-scrollbar {
  display: none;
}
.ribbon-item {
  border: 0;
  background: transparent;
  padding: 0;
  position: relative;
  flex: 0 0 76px;
  height: 76px;
  transition: transform 0.25s;
  min-width: 0;
}
.ribbon-item > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ribbon-item > span {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.ribbon-item:hover,
.ribbon-item[aria-pressed="true"] {
  transform: translateY(-8px);
}
.ribbon-item:focus-visible {
  outline: 2px solid var(--red-text);
  outline-offset: 3px;
}
.ribbon-meta {
  display: flex;
  gap: 30px;
  justify-content: space-between;
  padding: 8px 15px 0;
  font-size: 8px;
  color: #62625e;
  min-height: 30px;
}
.ribbon-meta a {
  white-space: nowrap;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.intro {
  padding-top: 110px;
}
.intro > .section-label {
  display: block;
  text-align: center;
  border: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0;
}
.intro > .section-label > span:first-child {
  font-size: 0;
}
.intro > .section-label > span:first-child:after {
  content: "About Chakra47";
  font-size: 12px;
}
.intro > .section-label > span:last-child {
  display: none;
}
.intro-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 36px;
  padding: 45px 0 75px;
}
.intro-grid h2 {
  font-size: clamp(37px, 4.7vw, 80px);
  line-height: 1.22;
  font-weight: 400;
  letter-spacing: -0.03em;
  max-width: 1280px;
}
.intro-grid h2 em {
  font-style: normal;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}
.intro-copy {
  max-width: 650px;
}
.intro-copy p {
  max-width: none;
  font-size: 14px;
  line-height: 1.7;
}
.intro-copy p + p {
  margin-top: 8px;
  font-size: 12px;
}
.intro-copy .underlined-link {
  margin-top: 15px;
}
.editorial-grid {
  gap: 22px;
}
.editorial-photo {
  aspect-ratio: 3/4;
}
.item-heading h3 {
  font-family: var(--sans);
  font-weight: 400;
  letter-spacing: -0.025em;
}
.section-label {
  font-size: 9px;
  letter-spacing: 0;
}
.section-label > span:first-child {
  text-transform: none;
}
h2 {
  font-weight: 400;
  letter-spacing: -0.035em;
}
.architecture-intro h2 {
  font-size: 4.7vw;
}
.diagram-broker {
  margin-top: 25px;
}
.local-boundary {
  margin-top: 0;
}
.system-diagram {
  border: 0;
  padding: 0;
}
.diagram-top {
  border-top: 1px solid #555;
}
.architecture {
  background: #1b1c1b;
}
.compatibility-demo {
  background: transparent;
  padding: 35px 0;
  border-width: 1px 0;
}
.roadmap {
  background: var(--paper);
}
.roadmap > .section-label {
  border-top: 1px solid var(--line);
  padding-top: 25px;
}
.participate {
  background: var(--paper);
  color: var(--ink);
  padding-top: 70px;
  padding-bottom: 30px;
}
.participate .section-label {
  border-color: var(--line);
}
.participate .section-label > span:last-child {
  color: var(--muted);
}
.contact-heading {
  justify-content: center;
  text-align: center;
  padding: 65px 0 75px;
}
.contact-heading h2 {
  font-size: clamp(72px, 9vw, 140px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}
.contact-arrow {
  display: none;
}
.participation-links > a {
  border-color: var(--line);
}
.contact-bottom {
  border-color: var(--line);
}
.site-footer {
  padding-bottom: 105px;
}
.hero-image {
  display: none;
}
@media (min-width: 1700px) {
  .ribbon-item {
    flex-basis: 90px;
    height: 90px;
  }
  .hero-center {
    padding-top: 60px;
  }
}
@media (max-width: 820px) {
  .site-header {
    height: 75px;
  }
  .header-status {
    display: none;
  }
  .header-contact {
    font-size: 11px;
  }
  .menu-toggle {
    display: none;
  }
  .site-header #primary-nav {
    display: flex;
    font-size: 11px;
    gap: 16px;
    padding: 10px 15px;
    bottom: 18px;
  }
  #primary-nav .nav-contact {
    margin: 0;
  }
  .centered-hero {
    min-height: 650px;
    max-height: 1000px;
    padding-top: 75px;
    padding-bottom: 92px;
  }
  .hero-center h1 {
    font-size: 9vw;
  }
  .hero-subline {
    font-size: 10px;
    max-width: 300px;
  }
  .ribbon-item {
    flex-basis: 64px;
    height: 64px;
  }
  .image-ribbon {
    justify-content: flex-start;
  }
  .intro-grid h2 {
    font-size: 5.7vw;
  }
  .intro {
    padding-top: 75px;
  }
  .architecture-intro h2 {
    font-size: 45px;
  }
  .intro-copy p {
    font-size: 14px;
  }
}
@media (max-width: 540px) {
  :root {
    --gutter: 22px;
  }
  .site-header {
    height: 76px;
    padding: 0 23px;
  }
  .site-header .brand {
    font-size: 28px;
  }
  .header-contact {
    font-size: 10px;
  }
  .centered-hero {
    height: 100svh;
    min-height: 600px;
    max-height: 920px;
    padding: 76px 0 103px;
  }
  .hero-center {
    padding: 30px 22px;
    gap: 22px;
  }
  .hero-center h1 {
    font-size: 11.9vw;
    line-height: 1.17;
    letter-spacing: -0.045em;
    white-space: nowrap;
  }
  .hero-subline {
    font-size: 10px;
    line-height: 1.7;
    max-width: 220px;
  }
  .ribbon-item {
    flex-basis: 62px;
    height: 72px;
  }
  .image-ribbon {
    gap: 5px;
    padding: 12px 8px 10px;
  }
  .ribbon-meta {
    font-size: 7px;
    gap: 12px;
    padding: 5px 10px 0;
    line-height: 1.5;
  }
  .ribbon-meta p {
    max-width: 180px;
  }
  .site-header #primary-nav {
    gap: 13px;
    max-width: calc(100vw - 24px);
    font-size: 10px;
    padding: 10px 13px;
    bottom: 19px;
  }
  .site-header #primary-nav a {
    padding: 5px 0;
    min-height: 24px;
  }
  .intro {
    padding-top: 65px;
  }
  .intro-grid {
    padding: 32px 0 48px;
    gap: 27px;
  }
  .intro-grid h2 {
    font-size: 31px;
    line-height: 1.28;
    letter-spacing: -0.035em;
  }
  .intro-grid h2 em {
    text-underline-offset: 5px;
    text-decoration-thickness: 1px;
  }
  .intro-copy p {
    font-size: 13px;
  }
  .intro-copy p + p {
    font-size: 11px;
    margin-top: 12px;
  }
  .editorial-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px 12px;
  }
  .editorial-item:last-child {
    grid-column: 1/3;
  }
  .editorial-item:last-child .editorial-photo {
    aspect-ratio: 16/10;
  }
  .editorial-photo {
    aspect-ratio: 3/4;
  }
  .editorial-photo span {
    font-size: 6px;
    left: 7px;
    bottom: 8px;
    padding: 5px;
  }
  .item-heading {
    padding: 14px 0 10px;
  }
  .item-heading h3 {
    font-size: 18px;
    line-height: 1.2;
  }
  .item-heading > span {
    font-size: 20px;
  }
  .editorial-item > p {
    font-size: 11px;
    line-height: 1.7;
  }
  .photo-credit {
    font-size: 6px;
  }
  .architecture-intro h2 {
    font-size: 38px;
  }
  .contact-heading {
    padding: 50px 0;
  }
  .contact-heading h2 {
    font-size: 17vw;
  }
  .participate {
    padding-top: 25px;
  }
  .site-footer {
    padding-bottom: 105px;
  }
  .section-label > span:last-child {
    max-width: 140px;
  }
}
@media (max-width: 360px) {
  .site-header #primary-nav {
    gap: 10px;
    font-size: 9px;
    padding: 10px 11px;
  }
  .hero-center h1 {
    font-size: 12vw;
  }
  .ribbon-meta {
    font-size: 6px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ribbon-item:hover,
  .ribbon-item[aria-pressed="true"] {
    transform: none;
  }
}
@media (min-width: 821px) {
  .ribbon-item {
    flex: 1 0 64px;
    height: clamp(66px, 5.8vw, 98px);
  }
  .image-ribbon {
    justify-content: space-between;
  }
}
.header-contact,
.header-status,
.site-header .brand {
  transition: color 0.25s;
}
body:has(.gallery-active) .site-header {
  color: #fff;
}
body:has(.gallery-active) .header-status {
  color: #fff;
}
.hero-backdrop:after {
  background: rgba(0, 0, 0, 0.56);
}
@media (max-width: 540px) {
  .site-header #primary-nav {
    font-size: 11px;
    padding: 3px 13px;
    gap: 16px;
  }
  .site-header #primary-nav a {
    min-height: 38px;
    padding: 12px 0;
  }
  .site-header #primary-nav a[href="/blog/"] {
    display: none;
  }
}
@media (max-width: 360px) {
  .site-header #primary-nav {
    font-size: 10px;
    gap: 13px;
  }
}
/* Lower-page flow uses the opening's paper, type, spacing and simple rules. */
main > .section-shell {
  background: var(--paper);
  color: var(--ink);
  padding-top: 100px;
  padding-bottom: 100px;
}
.section-shell > .section-label {
  display: block;
  text-align: center;
  padding: 0;
  border: 0;
  font-size: 12px;
  letter-spacing: 0;
  color: var(--ink);
}
.section-shell > .section-label > span:first-child {
  font-size: 12px;
  color: var(--ink);
}
.section-shell > .section-label > span:first-child:after {
  content: none;
}
.section-shell > .section-label > span:last-child {
  text-align: center;
  color: var(--ink);
  max-width: none;
}
.architecture-intro,
.roadmap-heading {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 28px;
  padding: 38px 0 68px;
}
.architecture-intro h2,
.roadmap-heading h2,
.reliability-title h2,
.faq-heading h2 {
  font-size: clamp(44px, 5.6vw, 86px);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -0.04em;
  text-align: center;
}
.architecture-intro > p {
  align-self: center;
  max-width: 590px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  text-align: center;
}
.system-diagram {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0;
  border: 0;
}
.diagram-heading {
  justify-content: center;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0;
  padding: 0 0 30px;
}
.diagram-top {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  align-items: end;
}
.diagram-top > div {
  padding: 32px 20px 32px;
  text-align: center;
}
.diagram-top > div + div {
  border-color: var(--line);
  padding: 32px 20px;
}
.diagram-no {
  color: var(--muted);
  font-size: 9px;
  display: block;
  min-height: 12px;
  letter-spacing: 0.04em;
}
.diagram-top h3 {
  font-size: 22px;
  font-weight: 400;
  margin: 12px 0;
  letter-spacing: -0.025em;
}
.diagram-top p {
  font-size: 11px;
  color: var(--muted);
}
.diagram-connection {
  color: var(--muted);
  justify-content: center;
  gap: 18px;
  padding: 32px 0;
  font-size: 10px;
}
.diagram-connection > span:first-child {
  color: var(--ink);
}
.diagram-connection > span:last-child {
  margin: 0 0 0 22px;
}
.local-boundary {
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 0 30px;
  text-align: center;
}
.local-heading {
  justify-content: center;
  gap: 20px;
  color: var(--muted);
  font-size: 9px;
}
.local-heading > span:last-child {
  color: var(--muted);
}
.diagram-broker {
  background: transparent;
  border: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 28px;
  margin-top: 10px;
}
.diagram-broker strong {
  font-size: 21px;
  line-height: 1.5;
  font-weight: 400;
  letter-spacing: -0.025em;
  max-width: 650px;
}
.diagram-broker > span {
  color: var(--muted);
  font-size: 11px;
}
.local-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin: 0;
  padding: 24px 20px 0;
  border-top: 1px solid var(--line);
}
.local-content h3 {
  font-size: 25px;
  font-weight: 400;
}
.local-content p {
  font-size: 12px;
  color: var(--muted);
  max-width: 500px;
}
.system-tags {
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
}
.system-tags span {
  border: 0;
  padding: 0;
  font-size: 10px;
  color: var(--muted);
}
.system-diagram figcaption {
  color: var(--muted);
  max-width: 650px;
  margin: 25px auto 0;
  text-align: center;
  font-size: 10px;
  line-height: 1.8;
}
.reliability-grid {
  display: flex;
  flex-direction: column;
  gap: 45px;
  padding-top: 38px;
}
.reliability-title {
  display: block;
  text-align: center;
}
.reliability-title > img {
  height: 330px;
  aspect-ratio: auto;
  width: 100%;
  object-fit: cover;
  margin-top: 55px;
  filter: saturate(0.75);
}
.reliability-title > small {
  margin-top: 13px;
  font-size: 9px;
  text-align: left;
}
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 45px;
}
.principles > article,
.principles > article:first-child {
  display: block;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
}
.principles > article > span {
  font-size: 10px;
  color: var(--muted);
  padding: 0;
}
.principles h3 {
  font-size: 26px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin: 24px 0 16px;
}
.principles p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 350px;
}
.example-disclosure {
  max-width: 1000px;
  margin: 65px auto 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.example-disclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
  padding: 25px 0;
  font-size: 16px;
}
.example-disclosure > summary::-webkit-details-marker {
  display: none;
}
.example-disclosure > summary > span {
  font-size: 24px;
  transition: transform 0.2s;
}
.example-disclosure[open] > summary > span {
  transform: rotate(45deg);
}
.example-disclosure .compatibility-demo {
  margin: 0;
  padding: 20px 0 35px;
  border: 0;
  background: transparent;
}
.demo-intro h3 {
  font-weight: 400;
}
.compatibility-result h4 {
  font-weight: 500;
}
.roadmap-heading {
  padding-bottom: 65px;
}
.phase-list {
  max-width: 1120px;
  margin: auto;
}
.phase {
  grid-template-columns: 65px 1fr 1fr;
  gap: 25px;
  padding: 38px 0 42px;
  border-color: var(--line);
}
.phase-number,
.current .phase-number {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--muted);
  padding-top: 3px;
}
.phase-state,
.current .phase-state {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.current .phase-state:before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink);
  margin-right: 7px;
  vertical-align: middle;
}
.phase-name h3 {
  font-size: 37px;
  font-weight: 400;
  letter-spacing: -0.035em;
  margin-top: 0;
}
.phase-body p {
  font-size: 14px;
  line-height: 1.85;
  max-width: 420px;
  padding-top: 5px;
}
.roadmap-note {
  max-width: 720px;
  text-align: center;
  border: 0;
  padding: 0;
  margin: 32px auto 0;
  font-size: 10px;
}
.faq {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}
.faq-heading {
  text-align: center;
}
.faq-heading > .eyebrow {
  font-size: 12px;
  letter-spacing: 0;
}
.faq-heading h2 {
  font-size: clamp(40px, 4.8vw, 70px);
  margin-top: 35px;
}
.faq-list {
  width: 100%;
  max-width: 920px;
}
.faq-list summary {
  font-size: 19px;
  font-weight: 400;
  padding: 28px 0;
  letter-spacing: -0.015em;
}
.faq-list p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 760px;
}
.participate .section-label {
  border: 0;
}
.contact-heading {
  padding: 50px 0 65px;
}
.participation-links {
  gap: 70px;
  max-width: 1120px;
  margin: 0 auto;
}
.participation-links strong {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.025em;
}
.participation-links small {
  font-size: 12px;
}
.contact-bottom {
  max-width: 1120px;
  margin: 20px auto 0;
}
.section-footnote {
  max-width: 730px;
  margin: 35px auto 0;
  text-align: center;
}
.item-heading h3 {
  font-size: 25px;
  letter-spacing: -0.025em;
  font-weight: 400;
}
@media (max-width: 820px) {
  main > .section-shell {
    padding-top: 75px;
    padding-bottom: 75px;
  }
  .architecture-intro h2,
  .roadmap-heading h2,
  .reliability-title h2 {
    font-size: 52px;
  }
  .architecture-intro {
    padding-bottom: 50px;
  }
  .diagram-top h3 {
    font-size: 18px;
  }
  .diagram-top > div,
  .diagram-top > div + div {
    padding: 25px 12px;
  }
  .principles {
    gap: 26px;
  }
  .principles h3 {
    font-size: 23px;
  }
  .principles p {
    font-size: 12px;
  }
  .phase {
    grid-template-columns: 38px 1fr 1fr;
    gap: 22px;
  }
  .phase-name h3 {
    font-size: 29px;
  }
  .phase-body p {
    font-size: 12px;
  }
  .reliability-title > img {
    height: 280px;
  }
  .item-heading h3 {
    font-size: 21px;
  }
  .participation-links {
    gap: 35px;
  }
  .participation-links strong {
    font-size: 23px;
  }
}
@media (max-width: 540px) {
  main > .section-shell {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .section-shell > .section-label,
  .section-shell > .section-label > span:first-child {
    font-size: 11px;
  }
  .architecture-intro,
  .roadmap-heading {
    gap: 24px;
    padding-top: 30px;
    padding-bottom: 42px;
  }
  .architecture-intro h2,
  .roadmap-heading h2,
  .reliability-title h2 {
    font-size: 39px;
    line-height: 1.16;
    letter-spacing: -0.035em;
  }
  .architecture-intro > p {
    font-size: 13px;
    line-height: 1.85;
  }
  .diagram-heading {
    padding-bottom: 22px;
    font-size: 9px;
  }
  .diagram-top > div,
  .diagram-top > div + div {
    padding: 22px 0;
    border-color: var(--line);
  }
  .diagram-top h3 {
    font-size: 22px;
    margin: 7px 0 10px;
  }
  .diagram-top p {
    font-size: 11px;
  }
  .diagram-no {
    font-size: 8px;
  }
  .diagram-connection {
    flex-wrap: wrap;
    gap: 8px;
    padding: 25px 0;
    font-size: 9px;
    line-height: 1.5;
  }
  .diagram-connection > span:last-child {
    margin: 0;
    flex-basis: 100%;
    text-align: center;
  }
  .local-boundary {
    padding: 22px 0 25px;
  }
  .local-heading {
    font-size: 8px;
    gap: 17px;
  }
  .diagram-broker {
    padding: 18px 12px 25px;
    gap: 14px;
  }
  .diagram-broker strong {
    font-size: 19px;
    line-height: 1.4;
  }
  .diagram-broker > span {
    font-size: 10px;
    line-height: 1.7;
  }
  .local-content {
    padding: 24px 10px 0;
    gap: 14px;
  }
  .local-content h3 {
    font-size: 23px;
  }
  .local-content p {
    font-size: 11px;
  }
  .system-tags {
    gap: 16px;
    flex-wrap: wrap;
  }
  .system-tags span {
    font-size: 9px;
  }
  .system-diagram figcaption {
    font-size: 9px;
    line-height: 1.9;
    text-align: center;
  }
  .reliability-grid {
    padding-top: 30px;
    gap: 32px;
  }
  .reliability-title > img {
    height: 240px;
    margin-top: 35px;
    object-position: center;
  }
  .reliability-title > small {
    font-size: 8px;
  }
  .principles {
    display: block;
  }
  .principles > article,
  .principles > article:first-child {
    display: grid;
    grid-template-columns: 25px 1fr;
    gap: 15px;
    padding: 23px 0;
  }
  .principles > article > span {
    padding-top: 7px;
    font-size: 9px;
  }
  .principles h3 {
    font-size: 25px;
    margin: 0 0 14px;
  }
  .principles p {
    font-size: 13px;
  }
  .example-disclosure {
    margin-top: 25px;
  }
  .example-disclosure > summary {
    font-size: 14px;
    padding: 23px 0;
    gap: 15px;
  }
  .example-disclosure .compatibility-demo {
    padding: 10px 0 28px;
    gap: 24px;
  }
  .demo-intro h3 {
    font-size: 29px;
  }
  .phase {
    grid-template-columns: 28px 1fr;
    gap: 12px 18px;
    padding: 29px 0;
  }
  .phase-number,
  .current .phase-number {
    font-size: 16px;
    grid-row: 1/3;
  }
  .phase-name h3 {
    font-size: 30px;
    margin-top: 14px;
  }
  .phase-state,
  .current .phase-state {
    font-size: 8px;
  }
  .phase-body {
    grid-column: 2;
  }
  .phase-body p {
    font-size: 13px;
    line-height: 1.8;
    padding: 0;
  }
  .roadmap-note {
    font-size: 9px;
    line-height: 1.9;
    margin-top: 25px;
  }
  .faq {
    gap: 34px;
  }
  .faq-heading > .eyebrow {
    font-size: 11px;
  }
  .faq-heading h2 {
    font-size: 37px;
    margin-top: 28px;
  }
  .faq-list summary {
    font-size: 16px;
    line-height: 1.4;
    padding: 24px 0;
    gap: 20px;
  }
  .faq-list p {
    font-size: 13px;
  }
  .contact-heading {
    padding: 40px 0;
  }
  .participation-links {
    gap: 12px;
  }
  .participation-links strong {
    font-size: 25px;
  }
  .participation-links small {
    font-size: 11px;
  }
  .contact-bottom {
    margin-top: 15px;
  }
  .item-heading h3 {
    font-size: 19px;
  }
  .section-footnote {
    font-size: 9px;
    line-height: 1.8;
    margin-top: 30px;
  }
}
.diagram-top {
  align-items: stretch;
}
.diagram-top > div:not(.optional-model):before {
  content: "";
  display: block;
  height: 12px;
}
.section-shell > .section-label > span:only-child,
.diagram-heading > span:only-child {
  display: inline;
}
@media (max-width: 540px) {
  .diagram-top > div:not(.optional-model):before {
    display: none;
  }
}