@font-face {
  font-family: 'Outfit';
  src: url('fonts/outfit-variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Martian Mono';
  src: url('fonts/martian-mono-variable.woff2') format('woff2-variations');
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --brand-50: #EEF4FF;
  --brand-100: #D6E4FD;
  --brand-200: #A8C7F8;
  --brand-300: #5DA4F4;
  --brand-400: #007CCE;
  --brand-500: #0061A3;
  --brand-600: #00518A;
  --brand-700: #003964;
  --brand-800: #002340;
  --brand-900: #001931;

  --ink: #001931;
  --deep: #002340;
  --mid: #00518A;
  --light: #007CCE;
  --paper: #FFFFFF;
  --paper-soft: #EEF4FF;

  --gray-50: #F7F8FA;
  --gray-100: #EDEFF3;
  --gray-200: #DDE1E8;
  --gray-300: #C2C8D4;
  --gray-400: #98A1B2;
  --gray-500: #6E7789;
  --gray-600: #4E5666;
  --gray-700: #363D4A;
  --gray-800: #232935;
  --gray-900: #141822;

  --sans: 'Outfit', system-ui, -apple-system, sans-serif;
  --mono: 'Martian Mono', ui-monospace, 'SF Mono', monospace;

  --wrap: 1160px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --band: clamp(4rem, 9vw, 7.25rem);
  --header-height: 6rem;
  --rule: 1px solid var(--gray-200);
  --rule-soft: 1px solid var(--brand-100);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--gray-800);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--brand-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

:focus-visible {
  outline: 2px solid var(--mid);
  outline-offset: 3px;
  border-radius: 2px;
}

.band--ink :focus-visible,
.hero :focus-visible {
  outline-color: var(--brand-300);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.email {
  display: inline-block;
  width: 6.933em;
  height: 0.93em;
  vertical-align: -0.2em;
  fill: currentColor;
}

.email--mono {
  width: 10.2em;
  height: 1.08em;
  vertical-align: -0.216em;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.75rem;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
  color: var(--paper);
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.label {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 100;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mid);
  margin: 0;
}

.label--muted {
  color: var(--gray-500);
}

.label--onInk {
  color: var(--brand-300);
}

.meta {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 95;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray-500);
  letter-spacing: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: var(--header-height);
}

.site-header__end {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem clamp(1rem, 2.4vw, 2.25rem);
}

.nav-toggle__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  margin-right: -0.6rem;
  padding: 0 0.6rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.22s var(--ease), opacity 0.14s linear;
}

.nav-toggle__input:focus-visible + .nav-toggle {
  outline: 2px solid var(--mid);
  outline-offset: 2px;
  border-radius: 6px;
}

.nav-toggle__input:checked + .nav-toggle span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle__input:checked + .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-toggle__input:checked + .nav-toggle span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  height: 3.1rem;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.25rem);
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  padding-block: 0.35rem;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--ink);
  border-bottom-color: var(--brand-200);
}

.site-nav a[aria-current='page'] {
  color: var(--ink);
  border-bottom-color: var(--mid);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.lang-switch a {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 95;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gray-500);
  text-decoration: none;
  padding-block: 0.35rem;
  border-bottom: 2px solid transparent;
}

.lang-switch a + a {
  padding-left: 0.5rem;
  border-left: var(--rule);
}

.lang-switch a:hover {
  color: var(--ink);
  border-bottom-color: var(--brand-200);
}

.lang-switch a[aria-current='true'] {
  color: var(--ink);
  border-bottom-color: var(--mid);
}

.hero {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(3.5rem, 8vw, 6.5rem) clamp(3rem, 7vw, 5.5rem);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  align-items: center;
}

.hero__eyebrow {
  margin-bottom: 1.75rem;
}

.hero__title {
  font-size: clamp(2.85rem, 7.6vw, 5.4rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
  color: var(--paper);
  max-width: 14ch;
}

.hero__lede {
  font-size: clamp(1.0625rem, 1.55vw, 1.28rem);
  line-height: 1.55;
  color: var(--brand-200);
  max-width: 46ch;
  margin: 0 0 2.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.carousel {
  display: none;
  max-width: 30rem;
}

@media (min-width: 61rem) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .carousel {
    display: block;
  }
}

.carousel__stage {
  display: grid;
  aspect-ratio: 13 / 9;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.09);
  overflow: hidden;
}

.carousel__scene {
  grid-area: 1 / 1;
  width: 100%;
  height: auto;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.34s var(--ease), transform 0.34s var(--ease);
}

.carousel__scene.is-leaving {
  opacity: 0;
  transform: translateY(-20px);
  transition-delay: 0s;
}

.carousel__scene.is-active {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.34s;
}

.carousel__scene.is-idle {
  display: none;
}

.carousel.is-offscreen .carousel__scene.is-active {
  display: none;
}

.carousel__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  margin-top: 0.9rem;
}

.carousel__caption {
  display: grid;
  justify-items: center;
  margin: 1.5rem 0 0;
}

.carousel__label {
  grid-area: 1 / 1;
  font-family: var(--mono);
  font-variation-settings: 'wdth' 100;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-300);
  opacity: 0;
  transition: opacity 0.28s var(--ease);
}

.carousel__label.is-current {
  opacity: 1;
  transition-delay: 0.3s;
}

.carousel__dots {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.carousel__dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.carousel__dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

.carousel__dot.is-current {
  background: var(--paper);
  transform: scale(1.3);
}

.carousel__arrow {
  width: 28px;
  height: 28px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--brand-100);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.carousel__arrow:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--paper);
}

.carousel__arrow svg {
  width: 11px;
  height: 11px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.stack__plate {
  animation-duration: 9s;
  animation-timing-function: var(--ease);
  animation-iteration-count: infinite;
}

.stack__plate--1 { animation-name: stackOpenA; }
.stack__plate--2 { animation-name: stackOpenB; }
.stack__plate--3 { animation-name: stackOpenC; }
.stack__plate--4 { animation-name: stackOpenD; }

.stack__edge { fill: #001931; opacity: 0.75; }

.stack__face {
  stroke-width: 1.6;
  stroke-linejoin: round;
}

.stack__plate--1 .stack__face { fill: url(#stackFillA); stroke: #FFFFFF; }
.stack__plate--2 .stack__face { fill: url(#stackFillB); stroke: #A8C7F8; }
.stack__plate--3 .stack__face { fill: url(#stackFillC); stroke: #5DA4F4; }
.stack__plate--4 .stack__face { fill: url(#stackFillD); stroke: #007CCE; }

.stack__flow {
  fill: none;
  stroke: #FFFFFF;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 16 240;
  stroke-dashoffset: 16;
  opacity: 0.9;
  animation-duration: 9s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.stack__plate--1 .stack__flow { animation-name: stackFlowA; }
.stack__plate--2 .stack__flow { animation-name: stackFlowB; }
.stack__plate--3 .stack__flow { animation-name: stackFlowC; }
.stack__plate--4 .stack__flow { animation-name: stackFlowD; }

@keyframes stackOpenA {
  0%, 12% { transform: translateY(39px); }
  34%, 72% { transform: translateY(0); }
  84%, 100% { transform: translateY(39px); }
}

@keyframes stackOpenB {
  0%, 12% { transform: translateY(39px); }
  34%, 72% { transform: translateY(26px); }
  84%, 100% { transform: translateY(39px); }
}

@keyframes stackOpenC {
  0%, 12% { transform: translateY(39px); }
  34%, 72% { transform: translateY(52px); }
  84%, 100% { transform: translateY(39px); }
}

@keyframes stackOpenD {
  0%, 12% { transform: translateY(39px); }
  34%, 72% { transform: translateY(78px); }
  84%, 100% { transform: translateY(39px); }
}

@keyframes stackFlowA {
  0%, 36% { stroke-dashoffset: 16; }
  66%, 100% { stroke-dashoffset: -116; }
}

@keyframes stackFlowB {
  0%, 39% { stroke-dashoffset: 16; }
  58%, 100% { stroke-dashoffset: -116; }
}

@keyframes stackFlowC {
  0%, 34% { stroke-dashoffset: 16; }
  70%, 100% { stroke-dashoffset: -116; }
}

@keyframes stackFlowD {
  0%, 41% { stroke-dashoffset: 16; }
  72%, 100% { stroke-dashoffset: -116; }
}

.route__mesh {
  fill: none;
  stroke: #0061A3;
  stroke-width: 2.4;
  stroke-linecap: round;
  opacity: 0.3;
}

.route__path {
  fill: none;
  stroke-width: 9;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
}

.route__sheen {
  fill: none;
  stroke: #FFFFFF;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.4;
  transform: translateY(-2.8px);
}

.route__first .route__path { stroke: url(#routeFirst); }
.route__second .route__path { stroke: url(#routeSecond); }

.route__first { animation: routeFirst 9s var(--ease) infinite; }
.route__second { animation: routeSecond 9s var(--ease) infinite; }
.route__first .route__path { animation: routeDrawA 9s var(--ease) infinite; }
.route__second .route__path { animation: routeDrawB 9s var(--ease) infinite; }

.route__packet {
  fill: none;
  stroke: #FFFFFF;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 12 240;
  stroke-dashoffset: 12;
  opacity: 0;
}

.route__packet--first { animation: routePacketA 9s linear infinite; }
.route__packet--second { animation: routePacketB 9s linear infinite; }

.route__jam {
  fill: none;
  stroke: #D6E4FD;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 4 6;
  opacity: 0;
  animation: routeJam 9s var(--ease) infinite;
}

.route__cut {
  stroke: #FFFFFF;
  stroke-width: 2.6;
  stroke-linecap: round;
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: routeCut 9s var(--ease) infinite;
}

.route__node {
  fill: #0061A3;
  stroke: #5DA4F4;
  stroke-width: 1.2;
}

.route__end {
  fill: url(#routeEnd);
  stroke: #FFFFFF;
  stroke-width: 1.4;
}

@keyframes routeFirst {
  0%, 42% { opacity: 1; }
  50%, 86% { opacity: 0.22; }
  94%, 100% { opacity: 1; }
}

@keyframes routeSecond {
  0%, 46% { opacity: 0; }
  52%, 86% { opacity: 1; }
  92%, 100% { opacity: 0; }
}

@keyframes routeDrawA {
  0% { stroke-dashoffset: 100; }
  14%, 100% { stroke-dashoffset: 0; }
}

@keyframes routeDrawB {
  0%, 48% { stroke-dashoffset: 100; }
  60%, 90% { stroke-dashoffset: 0; }
  96%, 100% { stroke-dashoffset: 100; }
}

@keyframes routePacketA {
  0%, 15% { stroke-dashoffset: 12; opacity: 0; }
  17% { stroke-dashoffset: 12; opacity: 1; }
  33% { stroke-dashoffset: -112; opacity: 1; }
  35%, 100% { stroke-dashoffset: -112; opacity: 0; }
}

@keyframes routePacketB {
  0%, 62% { stroke-dashoffset: 12; opacity: 0; }
  64% { stroke-dashoffset: 12; opacity: 1; }
  82% { stroke-dashoffset: -112; opacity: 1; }
  84%, 100% { stroke-dashoffset: -112; opacity: 0; }
}

@keyframes routeJam {
  0%, 36% { opacity: 0; }
  42%, 52% { opacity: 1; }
  58%, 100% { opacity: 0; }
}

@keyframes routeCut {
  0%, 37% { opacity: 0; transform: scale(0.4); }
  44% { opacity: 1; transform: scale(1); }
  52% { opacity: 1; transform: scale(1); }
  58%, 100% { opacity: 0; transform: scale(1); }
}

.road__deck {
  fill: none;
  stroke: #002340;
  stroke-width: 34;
}

.road__edge {
  fill: none;
  stroke: #0061A3;
  stroke-width: 1.2;
  opacity: 0.35;
}

.road__dash {
  fill: none;
  stroke: #5DA4F4;
  stroke-width: 1.4;
  stroke-dasharray: 7 9;
  opacity: 0.45;
}

.road__convoy {
  animation-duration: 13s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.road__convoy--a { animation-name: roadRun; }
.road__convoy--b { animation-name: roadRun; animation-delay: -6.5s; }
.road__convoy--c { animation-name: roadBack; animation-duration: 16s; }

.road__car { fill: #D6E4FD; }
.road__car--lead { fill: #FFFFFF; }

.road__ring {
  fill: none;
  stroke: #5DA4F4;
  stroke-width: 1.3;
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: roadPing 2.8s ease-out infinite;
}

.road__ring--b { animation-delay: 0.9s; }
.road__ring--c { animation-delay: 1.8s; }

.road__link {
  stroke: #FFFFFF;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-dasharray: 2 3.4;
  opacity: 0.5;
  animation: roadLink 2.4s ease-in-out infinite;
}

.road__link--b { animation-delay: 0.8s; }

.road__truss {
  fill: none;
  stroke: #007CCE;
  stroke-width: 1.6;
  stroke-linecap: round;
}

.road__truss--thin {
  stroke-width: 1;
  opacity: 0.65;
}

.road__deckplate { fill: #5DA4F4; }
.road__panel { fill: #D6E4FD; }
.road__panel--mid { fill: #FFFFFF; }

.road__beam {
  fill: none;
  stroke: #FFFFFF;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-dasharray: 4 6.8;
  opacity: 0;
  animation-timing-function: var(--ease), linear;
  animation-iteration-count: infinite, infinite;
}

.road__beam--1 { animation-name: roadBeamA, roadBeamRun; animation-duration: 13s, 1.3s; }
.road__beam--2 { animation-name: roadBeamB, roadBeamRun; animation-duration: 13s, 1.3s; }
.road__beam--3 { animation-name: roadBeamC, roadBeamRun; animation-duration: 13s, 1.3s; }
.road__beam--4 { animation-name: roadBeamD, roadBeamRun; animation-duration: 16s, 1.3s; }
.road__beam--5 { animation-name: roadBeamE, roadBeamRun; animation-duration: 16s, 1.3s; }

.road__reveal {
  fill: none;
  stroke: #FFFFFF;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation-timing-function: var(--ease);
  animation-iteration-count: infinite;
}

.road__reveal--1 { animation-name: roadRevealA; animation-duration: 13s; }
.road__reveal--2 { animation-name: roadRevealB; animation-duration: 13s; }
.road__reveal--3 { animation-name: roadRevealC; animation-duration: 13s; }
.road__reveal--4 { animation-name: roadRevealD; animation-duration: 16s; }
.road__reveal--5 { animation-name: roadRevealE; animation-duration: 16s; }

.road__arc {
  fill: none;
  stroke: #5DA4F4;
  stroke-width: 1.4;
  stroke-linecap: round;
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: roadArc 2.6s ease-out infinite;
}

.road__arc--b { animation-delay: 0.85s; }
.road__arc--c { animation-delay: 1.7s; }

@keyframes roadRun {
  from { transform: translate(-70px, 150px); }
  to { transform: translate(310px, 36px); }
}

@keyframes roadBack {
  from { transform: translate(310px, 52px); }
  to { transform: translate(-70px, 166px); }
}

@keyframes roadPing {
  0% { transform: scale(0.5); opacity: 0; }
  22% { opacity: 0.6; }
  100% { transform: scale(2.4); opacity: 0; }
}

@keyframes roadLink {
  0%, 100% { opacity: 0.16; }
  50% { opacity: 0.8; }
}

@keyframes roadArc {
  0% { transform: scale(0.25); opacity: 0; }
  22% { opacity: 0.5; }
  100% { transform: scale(3.6); opacity: 0; }
}

@keyframes roadBeamRun {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -10.8; }
}

@keyframes roadBeamA {
  0%, 18% { opacity: 0; }
  24%, 30% { opacity: 0.55; }
  36%, 68% { opacity: 0; }
  74%, 80% { opacity: 0.55; }
  86%, 100% { opacity: 0; }
}

@keyframes roadBeamB {
  0%, 41% { opacity: 0; }
  47%, 53% { opacity: 0.55; }
  59%, 88% { opacity: 0; }
  94%, 98% { opacity: 0.55; }
  100% { opacity: 0; }
}

@keyframes roadBeamC {
  0%, 15% { opacity: 0; }
  21%, 27% { opacity: 0.55; }
  33%, 64% { opacity: 0; }
  70%, 76% { opacity: 0.55; }
  82%, 100% { opacity: 0; }
}

@keyframes roadBeamD {
  0%, 15% { opacity: 0; }
  21%, 27% { opacity: 0.55; }
  33%, 100% { opacity: 0; }
}

@keyframes roadBeamE {
  0%, 62% { opacity: 0; }
  68%, 74% { opacity: 0.55; }
  80%, 100% { opacity: 0; }
}

@keyframes roadRevealA {
  0%, 18% { stroke-dashoffset: 100; }
  24%, 36% { stroke-dashoffset: 0; }
  37%, 68% { stroke-dashoffset: 100; }
  74%, 100% { stroke-dashoffset: 0; }
}

@keyframes roadRevealB {
  0%, 41% { stroke-dashoffset: 100; }
  47%, 59% { stroke-dashoffset: 0; }
  60%, 88% { stroke-dashoffset: 100; }
  94%, 100% { stroke-dashoffset: 0; }
}

@keyframes roadRevealC {
  0%, 15% { stroke-dashoffset: 100; }
  21%, 33% { stroke-dashoffset: 0; }
  34%, 64% { stroke-dashoffset: 100; }
  70%, 100% { stroke-dashoffset: 0; }
}

@keyframes roadRevealD {
  0%, 15% { stroke-dashoffset: 100; }
  21%, 100% { stroke-dashoffset: 0; }
}

@keyframes roadRevealE {
  0%, 62% { stroke-dashoffset: 100; }
  68%, 100% { stroke-dashoffset: 0; }
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  padding: 0.95rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease),
    color 0.18s var(--ease);
}

.button--primary {
  background: var(--paper);
  color: var(--ink);
}

.button--primary:hover {
  background: var(--brand-100);
  color: var(--ink);
}

.button--ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--paper);
}

.button--ghost:hover {
  border-color: var(--brand-300);
  background: rgba(255, 255, 255, 0.06);
  color: var(--paper);
}

.band {
  padding-block: var(--band);
}

.band--soft {
  background: var(--paper-soft);
}

.band--ink {
  background: var(--ink);
  color: var(--brand-100);
}

.band--tight {
  padding-block: clamp(2.75rem, 5vw, 4rem);
}

.band--top-tight {
  padding-top: clamp(2.25rem, 4vw, 3.25rem);
}

.band--ink h2,
.band--ink h3 {
  color: var(--paper);
}

.band--ink a:not(.button) {
  color: var(--brand-200);
}

.band--ink a:not(.button):hover {
  color: var(--paper);
}

.band-head {
  max-width: 62ch;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.band-head__title {
  font-size: clamp(1.85rem, 3.4vw, 2.85rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin: 1.25rem 0 0;
}

.band-head__lede {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--gray-600);
  margin: 1.15rem 0 0;
}

.band--ink .band-head__title {
  color: var(--paper);
}

.band--ink .band-head__lede {
  color: var(--brand-200);
}

.body-text p {
  margin: 0 0 1.1rem;
  max-width: 68ch;
}

.body-text p:last-child {
  margin-bottom: 0;
}

.mission {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
}

.mission__statement {
  font-size: clamp(1.5rem, 2.9vw, 2.25rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.018em;
  color: var(--ink);
  margin: 0;
}

.mission__statement em {
  font-style: normal;
  color: var(--mid);
}

.stack {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.stack::before {
  content: '';
  position: absolute;
  left: 0.3125rem;
  top: 0.9rem;
  bottom: 0.9rem;
  width: 1px;
  background: var(--brand-200);
}

.layer {
  position: relative;
  padding: 1.6rem 0 1.6rem 2.4rem;
  border-top: var(--rule-soft);
}

.layer:first-child {
  border-top: 0;
}

.layer::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2.05rem;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--mid);
}

.layer__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  margin-bottom: 0.5rem;
}

.layer__name {
  font-size: 1.28rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}

.layer__note {
  margin: 0 0 1rem;
  color: var(--gray-600);
  max-width: 64ch;
}

.stack--brief .layer {
  padding-top: 1.05rem;
  padding-bottom: 1.05rem;
}

.stack--brief .layer::before {
  top: 1.5rem;
}

.stack--brief .layer__note {
  margin-bottom: 0;
}

.stack__more {
  margin: 1.75rem 0 0;
  padding-left: 2.4rem;
  font-weight: 500;
}

.stack__more a {
  text-decoration: none;
}

.stack__more a:hover {
  text-decoration: underline;
}

.stack__more a::after {
  content: ' →';
  letter-spacing: 0.05em;
  text-decoration: none;
}

.reveal--armed {
  opacity: 0;
  transform: translateY(0.75rem);
}

.reveal--armed.is-revealed {
  opacity: 1;
  transform: none;
  transition: opacity 0.42s ease-out var(--reveal-delay, 0s),
              transform 0.42s cubic-bezier(0.22, 0.61, 0.36, 1) var(--reveal-delay, 0s);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tags li {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 90;
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--brand-700);
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  border-radius: 999px;
  padding: 0.3rem 0.65rem;
  white-space: nowrap;
}

.band--soft .tags li {
  background: var(--paper);
}

.facts {
  display: grid;
  gap: 1.75rem 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  border-top: var(--rule);
  padding-top: 2.25rem;
}

.fact__value {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
  margin: 0.45rem 0 0;
  line-height: 1.4;
}

.band--ink .facts {
  border-top-color: rgba(255, 255, 255, 0.16);
}

.band--ink .fact__value {
  color: var(--paper);
}

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

.era {
  display: grid;
  gap: 0.35rem 2rem;
  padding: 1.5rem 0;
  border-top: var(--rule);
}

.era__span {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 95;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--mid);
  white-space: nowrap;
}

.era__what {
  font-weight: 600;
  color: var(--ink);
}

.era__detail {
  color: var(--gray-600);
  margin: 0;
}

.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.card {
  background: var(--paper);
  border: var(--rule);
  border-radius: 0.75rem;
  padding: 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.008em;
}

.card__text {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.9688rem;
}

.lead-card {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  border: var(--rule);
  border-radius: 0.9rem;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  background: var(--paper);
}

.lead-card__name {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0.5rem 0 0.35rem;
}

.lead-card__role {
  color: var(--gray-600);
  margin: 0 0 1.25rem;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  font-family: var(--mono);
  font-variation-settings: 'wdth' 95;
  font-size: 0.75rem;
}

.roster {
  list-style: none;
  margin: 0;
  padding: 0;
}

.roster__group {
  margin-bottom: 3rem;
}

.roster__group:last-child {
  margin-bottom: 0;
}

.roster__title {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  border-bottom: var(--rule);
  padding-bottom: 0.7rem;
  margin: 0 0 0.25rem;
}

.roster__count {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 95;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gray-400);
}

.person {
  display: grid;
  gap: 0.15rem 1.5rem;
  padding: 0.95rem 0;
  border-bottom: var(--rule-soft);
}

.person__name {
  font-weight: 600;
  color: var(--ink);
}

.person__topic {
  color: var(--gray-600);
  font-size: 0.9688rem;
}

.person__year {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 95;
  font-size: 0.75rem;
  color: var(--gray-400);
  white-space: nowrap;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: var(--rule);
}

.filters__search {
  font-family: var(--sans);
  font-size: 0.9375rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  min-width: min(100%, 19rem);
  flex: 1 1 14rem;
  color: var(--gray-800);
  background: var(--paper);
}

.filters__search::placeholder {
  color: var(--gray-400);
}

.chip {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 92;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--gray-300);
  background: var(--paper);
  color: var(--gray-600);
  cursor: pointer;
}

.chip:hover {
  border-color: var(--mid);
  color: var(--ink);
}

.chip[aria-pressed='true'] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.filters__status {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 95;
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-left: auto;
}

.pub-group {
  margin-bottom: 3.5rem;
}

.pub-group:last-child {
  margin-bottom: 0;
}

.pub-group__title {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.6rem;
  margin: 0 0 0.5rem;
  position: sticky;
  top: var(--header-height);
  background: var(--paper);
  z-index: 5;
}

.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pub {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 0 1rem;
  padding: 1.05rem 0;
  border-bottom: var(--rule-soft);
}

.pub__year {
  font-family: var(--mono);
  font-variation-settings: 'wdth' 92;
  font-size: 0.75rem;
  color: var(--mid);
  padding-top: 0.2rem;
}

.pub__title {
  color: var(--ink);
  font-weight: 500;
  display: block;
}

.pub__authors {
  color: var(--gray-600);
  font-size: 0.9375rem;
  display: block;
  margin-top: 0.2rem;
}

.pub__venue {
  color: var(--gray-500);
  font-size: 0.875rem;
  display: block;
  margin-top: 0.2rem;
}

.pub b {
  color: var(--gray-800);
  font-weight: 600;
}

.pub.is-hidden,
.pub-group.is-hidden {
  display: none;
}

.themes {
  list-style: none;
  margin: 0;
  padding: 0;
}

.theme {
  display: grid;
  gap: 0.5rem 2.5rem;
  padding: 1.9rem 0;
  border-top: var(--rule);
}

.theme:last-child {
  border-bottom: var(--rule);
}

.theme__name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.theme__what {
  margin: 0;
  color: var(--gray-600);
}

.theme__anchor {
  margin: 0.7rem 0 0;
  font-family: var(--mono);
  font-variation-settings: 'wdth' 92;
  font-size: 0.6875rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.band--ink .theme {
  border-color: rgba(255, 255, 255, 0.16);
}

.band--ink .theme__name {
  color: var(--paper);
}

.band--ink .theme__what {
  color: var(--brand-200);
}

.band--ink .theme__anchor {
  color: var(--brand-300);
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.checklist li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--gray-600);
}

.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--mid);
}

.cta {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.cta > div {
  max-width: 48rem;
}

.cta__title {
  font-size: clamp(1.85rem, 3.6vw, 2.9rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.024em;
  color: var(--paper);
  margin: 1.25rem 0 1rem;
}

.cta__text {
  color: var(--brand-200);
  margin: 0 0 2rem;
  max-width: 52ch;
}

.cta__address {
  color: var(--paper);
  font-size: clamp(1.25rem, 3.2vw, 1.9rem);
  margin: 0;
}

.site-footer {
  background: var(--paper-soft);
  color: var(--gray-600);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2.5rem;
  font-size: 0.9375rem;
}

.site-footer a {
  color: var(--brand-700);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--mid);
  text-decoration: underline;
}

.site-footer strong {
  color: var(--ink);
  font-weight: 600;
}

.site-footer__grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  padding-bottom: 2.5rem;
  border-bottom: var(--rule-soft);
}

.site-footer__mark {
  height: 2.7rem;
  width: auto;
  margin-bottom: 1.1rem;
}

.site-footer__list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.site-footer__note {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding-top: 1.75rem;
  font-family: var(--mono);
  font-variation-settings: 'wdth' 95;
  font-size: 0.6875rem;
  color: var(--gray-500);
}

.page-head {
  padding-block: clamp(3rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem);
  border-bottom: var(--rule);
}

.page-head__title {
  font-size: clamp(2.35rem, 5.4vw, 3.9rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 1.25rem 0 0;
  max-width: 18ch;
}

.page-head__lede {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--gray-600);
  max-width: 58ch;
  margin: 1.25rem 0 0;
}

@media (min-width: 46rem) {
  .mission {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .layer {
    display: grid;
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 0 1.75rem;
  }

  .layer__label {
    padding-top: 0.35rem;
  }

  .era {
    grid-template-columns: 8.5rem minmax(0, 1fr);
  }

  .person {
    grid-template-columns: minmax(0, 15rem) minmax(0, 1fr) 4rem;
    align-items: baseline;
  }

  .theme {
    grid-template-columns: minmax(0, 20rem) minmax(0, 1fr);
  }

  .lead-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  }
}

@media (max-width: 45.999rem) {
  .site-header__inner {
    flex-wrap: wrap;
    gap: 0;
    min-height: 0;
  }

  .brand,
  .nav-toggle {
    min-height: 4.75rem;
  }

  .brand img {
    height: 2.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header__end {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding-bottom: 1.25rem;
  }

  .nav-toggle__input:checked ~ .site-header__end {
    display: flex;
  }

  .site-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
    width: 100%;
    padding-top: 0.35rem;
    border-top: var(--rule);
  }

  .site-nav a {
    width: 100%;
    padding-block: 0.6rem;
    border-bottom: none;
    font-size: 1.0625rem;
  }

  .site-nav a[aria-current='page'] {
    color: var(--brand-700);
  }

  .pub-group__title {
    position: static;
  }

  .pub {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.25rem;
  }

  .filters__status {
    margin-left: 0;
    width: 100%;
  }
}

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

  .carousel__scene,
  .carousel__label {
    transition: none;
  }

  .stack__plate,
  .stack__flow,
  .route__first,
  .route__second,
  .route__path,
  .route__packet,
  .route__jam,
  .route__cut,
  .road__convoy,
  .road__ring,
  .road__link,
  .road__beam,
  .road__reveal,
  .road__arc {
    animation: none !important;
  }

  .stack__plate--1 { transform: translateY(0); }
  .stack__plate--2 { transform: translateY(26px); }
  .stack__plate--3 { transform: translateY(52px); }
  .stack__plate--4 { transform: translateY(78px); }
  .stack__flow { stroke-dashoffset: -50; }
  .route__first { opacity: 0.22; }
  .route__path { stroke-dashoffset: 0; }
  .road__reveal { stroke-dashoffset: 0; }
  .road__convoy--a { transform: translate(42px, 116px); }
  .road__convoy--b { transform: translate(190px, 72px); }
  .road__convoy--c { transform: translate(140px, 89px); }
  .road__link { opacity: 0.6; }

  * {
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .filters {
    display: none;
  }
}