:root {
  --paper: #f2efe7;
  --paper-bright: #faf8f2;
  --ink: #171a18;
  --muted: #666962;
  --rule: rgba(23, 26, 24, .2);
  --rule-soft: rgba(23, 26, 24, .1);
  --signal: #db4b2f;
  --signal-dark: #aa2d18;
  --night: #171a18;
  --lime: #d9f443;
  --serif: "Newsreader", Iowan Old Style, Baskerville, Georgia, serif;
  --sans: "DM Sans", Helvetica Neue, Arial, sans-serif;
  --mono: "IBM Plex Mono", SFMono-Regular, Consolas, monospace;
  --shell: min(1240px, calc(100vw - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background-color: var(--paper);
  background-image: linear-gradient(rgba(242, 239, 231, .7), rgba(242, 239, 231, .7)), url("background.webp");
  background-position: center top;
  background-size: cover;
  background-attachment: fixed;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { color: var(--paper-bright); background: var(--signal); }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 8px 12px;
  color: var(--paper-bright);
  background: var(--ink);
  font: 500 12px/1 var(--mono);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--rule);
  background: rgba(242, 239, 231, .9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.masthead__inner {
  min-height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand__mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: transparent;
  overflow: hidden;
}
.brand__mark img { width: 28px; height: 28px; object-fit: contain; filter: brightness(.2) saturate(.35); }
.brand > span:last-child { display: flex; align-items: baseline; gap: 7px; }
.brand strong { font-size: 14px; letter-spacing: .12em; }
.brand small { color: var(--muted); font: 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.coordinates {
  color: var(--muted);
  font: 10px var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.coordinates span {
  margin-left: 8px;
  padding: 3px 5px;
  color: var(--paper-bright);
  background: var(--signal);
}
.nav { justify-self: end; display: flex; gap: clamp(16px, 2vw, 30px); }
.nav a {
  position: relative;
  text-decoration: none;
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: .07em;
}
.nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav span { color: var(--signal); }

.hero { padding-top: clamp(38px, 6vw, 82px); }
.hero__meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ink);
  color: var(--muted);
  font: 10px var(--mono);
  letter-spacing: .11em;
  text-transform: uppercase;
}
.hero__meta span:nth-child(2) { text-align: center; }
.hero__meta span:last-child { text-align: right; }
.hero__copy {
  display: grid;
  grid-template-columns: minmax(0, 8.2fr) minmax(250px, 3.8fr);
  gap: clamp(32px, 7vw, 100px);
  align-items: end;
  padding: clamp(42px, 6vw, 84px) 0 clamp(46px, 7vw, 92px);
}
.kicker {
  margin: 0 0 24px;
  color: var(--signal-dark);
  font: 500 11px var(--mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}
.kicker::before { content: "[ "; }
.kicker::after { content: " ]"; }
.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(48px, 6.45vw, 94px);
  font-weight: 400;
  letter-spacing: -.055em;
  line-height: .9;
  text-wrap: balance;
}
.hero h1 em { color: var(--signal); font-weight: 400; }
.hero__aside { padding-bottom: 6px; }
.hero__aside p { margin: 0 0 18px; color: #444842; font-size: 15px; line-height: 1.65; }
.hero__aside em { font-family: var(--serif); font-size: 1.15em; }
.text-link {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding: 12px 0 10px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
  font: 500 11px var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.text-link span { color: var(--signal); transition: transform .2s ease; }
.text-link:hover span { transform: translateY(4px); }

.route { margin: 0 0 clamp(90px, 12vw, 160px); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.route__header {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font: 10px var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.route__header span:first-child { color: var(--ink); font-weight: 500; }
.route__plot {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: 6.5vw;
  min-height: 265px;
  align-items: center;
  padding: 40px 0 30px;
}
.route__line { position: absolute; top: 46%; right: 5%; left: 5%; height: 1px; background: var(--rule); }
.route__line::before, .route__line::after {
  content: "";
  position: absolute;
  top: -4px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
}
.route__line::before { left: 0; }
.route__line::after { right: 0; background: var(--signal); border-color: var(--signal); }
.route__line i {
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px rgba(219, 75, 47, .15);
  animation: route-travel 4.8s cubic-bezier(.6, 0, .3, 1) infinite;
}
@keyframes route-travel { 0%, 9% { left: 0; opacity: 0; } 15% { opacity: 1; } 86% { opacity: 1; } 94%, 100% { left: calc(100% - 9px); opacity: 0; } }
.route__node { position: relative; z-index: 2; min-height: 140px; padding: 14px 16px; background: var(--paper-bright); border: 1px solid var(--ink); }
.route__node--code { transform: translateY(-24px); }
.route__node--output { transform: translateY(18px); border-color: var(--signal); box-shadow: 8px 8px 0 var(--signal); }
.route__number { position: absolute; top: -25px; right: 0; font: 10px var(--mono); }
.route__label { display: block; margin-bottom: 25px; color: var(--muted); font: 10px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.route__node strong { display: block; font: 500 17px var(--sans); }
.route__node small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; }
.route__tokens { display: flex; flex-wrap: wrap; gap: 6px; }
.route__tokens span { padding: 4px 7px; border: 1px solid var(--rule); font: 10px var(--mono); }
.route__tokens b { margin-right: 5px; color: var(--signal); font-weight: 500; }
.route__tokens--active span { color: var(--signal-dark); border-color: var(--signal); background: rgba(219, 75, 47, .08); }
.route__note { display: grid; grid-template-columns: 84px 1fr; gap: 14px; margin: 0; padding: 14px 0; border-top: 1px solid var(--rule); color: var(--muted); font: 11px/1.55 var(--mono); }
.route__note b { color: var(--signal-dark); font-weight: 500; }

.section-tag {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 20px;
  align-items: baseline;
  padding: 14px 0 16px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.section-tag span { color: var(--signal-dark); font: 11px var(--mono); }
.section-tag h2 { margin: 0; font: 500 12px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.section-tag p { margin: 0; color: var(--muted); font: 10px var(--mono); letter-spacing: .06em; text-transform: uppercase; }

.statement { display: grid; grid-template-columns: 3.5fr 8.5fr; gap: clamp(34px, 6vw, 90px); padding-bottom: clamp(100px, 13vw, 175px); }
.statement .section-tag { display: flex; gap: 18px; align-self: start; }
.statement__body { padding-top: 5px; }
.statement__lead { max-width: 14ch; margin: 0 0 70px; font: 400 clamp(38px, 5.1vw, 72px)/.98 var(--serif); letter-spacing: -.035em; }
.statement__columns { columns: 2; column-gap: clamp(35px, 5vw, 72px); column-rule: 1px solid var(--rule-soft); }
.statement__columns p { break-inside: avoid; margin: 0 0 22px; color: #3e423d; font-size: 15px; line-height: 1.72; }
mark { color: var(--signal-dark); background: transparent; font-weight: 500; }

.research { padding-bottom: clamp(100px, 13vw, 170px); }
.research__list { border-bottom: 1px solid var(--ink); }
.research-item {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1.25fr 1fr 32px;
  gap: 20px;
  align-items: start;
  padding: 30px 0 34px;
  border-top: 1px solid var(--rule);
  transition: color .25s ease, padding .25s ease;
}
.research-item:first-child { border-top: 0; }
.research-item::before { content: ""; position: absolute; top: 0; bottom: 0; left: -18px; width: 3px; background: var(--signal); transform: scaleY(0); transition: transform .25s ease; }
.research-item:hover::before { transform: scaleY(1); }
.research-item:hover { padding-left: 10px; }
.research-item__number { color: var(--muted); font: 10px var(--mono); }
.research-item__title small { display: block; margin-bottom: 10px; color: var(--signal-dark); font: 10px var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.research-item h3 { max-width: 22ch; margin: 0; font: 400 clamp(25px, 2.7vw, 39px)/1.06 var(--serif); letter-spacing: -.02em; }
.research-item p { margin: 2px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.research-item__arrow { color: var(--signal); font: 22px var(--serif); transition: transform .2s ease; }
.research-item:hover .research-item__arrow { transform: translate(5px, -5px); }

.identity { position: relative; overflow: hidden; color: var(--paper-bright); background: var(--night); }
.identity::after { content: "YVIC"; position: absolute; right: -1vw; bottom: -9vw; color: rgba(250, 248, 242, .035); font: 500 clamp(180px, 30vw, 430px)/1 var(--sans); letter-spacing: -.1em; pointer-events: none; }
.identity__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 2.5fr 5fr 3fr; gap: clamp(34px, 6vw, 88px); align-items: center; min-height: 650px; padding-top: 100px; padding-bottom: 100px; }
.portrait { margin: 0; align-self: end; }
.portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 25%; filter: grayscale(1) contrast(1.08); }
.portrait figcaption { padding-top: 10px; color: #9fa39c; font: 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.identity .kicker { color: var(--lime); }
.identity__main h2 { margin: 0; font: 400 clamp(50px, 6.7vw, 94px)/.88 var(--serif); letter-spacing: -.055em; }
.identity__main h2 em { color: var(--lime); font-weight: 400; }
.han { margin: 32px 0 0; color: #9fa39c; font: 15px var(--mono); letter-spacing: .25em; }
.identity__data { align-self: end; }
.meta-item { display: grid; grid-template-columns: 70px 1fr; gap: 14px; padding: 14px 0; border-top: 1px solid rgba(250, 248, 242, .18); }
.meta-item:last-child { border-bottom: 1px solid rgba(250, 248, 242, .18); }
.meta-item__key { color: #9fa39c; font: 9px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.meta-item__value { font-size: 12px; line-height: 1.55; }
.profile-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.profile-links a { padding: 8px 10px; border: 1px solid rgba(250, 248, 242, .24); text-decoration: none; font: 10px var(--mono); letter-spacing: .05em; text-transform: uppercase; transition: color .2s, border-color .2s; }
.profile-links a:hover { color: var(--lime); border-color: var(--lime); }

.publications { padding-top: clamp(95px, 12vw, 160px); padding-bottom: clamp(100px, 13vw, 170px); }
.publication { display: grid; grid-template-columns: 52px minmax(0, 1fr) minmax(220px, .48fr); gap: 20px; padding: 42px 0 46px; border-bottom: 1px solid var(--rule); }
.publication__year { color: var(--muted); font: 10px var(--mono); }
.publication h3 { max-width: 26ch; margin: 0; font: 400 clamp(28px, 3.35vw, 48px)/1.04 var(--serif); letter-spacing: -.025em; }
.publication h3 a { text-decoration: none; }
.publication h3 a:hover { color: var(--signal-dark); }
.publication__detail { display: flex; flex-direction: column; align-items: flex-start; }
.publication__detail p { margin: 0 0 24px; color: var(--muted); font-size: 13px; line-height: 1.72; }
.badge { margin-top: auto; padding: 5px 8px; color: var(--signal-dark); border: 1px solid var(--signal); font: 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.pub-links { display: flex; gap: 8px; margin-top: 12px; }
.pub-links a { font: 10px var(--mono); }

.luna { overflow: hidden; color: var(--night); background: #e45738; }
.luna__inner { display: grid; grid-template-columns: 4fr 7fr; gap: clamp(45px, 8vw, 120px); align-items: center; min-height: 760px; padding-top: 100px; padding-bottom: 100px; }
.luna .kicker { color: var(--night); }
.luna__copy h2 { max-width: 8ch; margin: 0 0 40px; font: 400 clamp(55px, 7vw, 98px)/.86 var(--serif); letter-spacing: -.05em; }
.luna__copy > p:not(.kicker) { max-width: 43ch; color: #252822; font-size: 14px; line-height: 1.72; }
.specs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 32px; }
.specs span { padding: 5px 7px; border: 1px solid rgba(23, 26, 24, .5); font: 9px var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.luna__visual { position: relative; margin: 0; padding: 10px; background: var(--night); box-shadow: 18px 18px 0 rgba(23, 26, 24, .18); transform: rotate(-1deg); }
.luna__visual img { width: 100%; filter: saturate(.2) contrast(1.04); }
.luna__status { display: flex; align-items: center; gap: 8px; padding: 0 2px 9px; color: #bfc4bc; font: 9px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.luna__status i { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 3px rgba(217, 244, 67, .13); }

.footer { color: #bec1ba; background: var(--night); border-top: 1px solid rgba(250, 248, 242, .18); }
.footer__inner { min-height: 100px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 40px; font: 9px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.footer__mark { margin-right: 14px; color: var(--paper-bright); font-size: 15px; font-weight: 500; letter-spacing: .12em; }
.footer a { color: var(--lime); text-decoration: none; }

.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .75s cubic-bezier(.2, .7, .2, 1), transform .75s cubic-bezier(.2, .7, .2, 1); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  :root { --shell: min(100% - 40px, 820px); }
  .masthead__inner { grid-template-columns: 1fr auto; }
  .coordinates { display: none; }
  .hero__copy { grid-template-columns: 1fr; }
  .hero h1 { max-width: 11ch; }
  .hero__aside { max-width: 540px; justify-self: end; }
  .statement { grid-template-columns: 1fr; gap: 48px; }
  .statement .section-tag { width: 100%; }
  .identity__inner { grid-template-columns: 2.5fr 5fr; }
  .identity__data { grid-column: 2; }
  .publication { grid-template-columns: 40px 1fr; }
  .publication__detail { grid-column: 2; max-width: 620px; }
  .luna__inner { grid-template-columns: 1fr; }
  .luna__copy h2 { max-width: none; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 28px); }
  body { background-attachment: scroll; }
  .masthead__inner { min-height: 62px; }
  .brand small { display: none; }
  .nav { gap: 15px; }
  .nav a:first-child { display: none; }
  .hero { padding-top: 28px; }
  .hero__meta { grid-template-columns: 1fr auto; }
  .hero__meta span:nth-child(2) { display: none; }
  .hero__copy { gap: 34px; padding: 42px 0 58px; }
  .hero h1 { font-size: clamp(44px, 13.8vw, 66px); }
  .hero__aside { justify-self: start; }
  .route__header span:last-child { display: none; }
  .route__plot { grid-template-columns: 1fr; gap: 34px; padding: 48px 0; }
  .route__line { top: 8%; right: auto; bottom: 8%; left: 18px; width: 1px; height: auto; }
  .route__line::before, .route__line::after { left: -4px; }
  .route__line::after { top: auto; right: auto; bottom: 0; }
  .route__line i { top: 0; left: -4px; animation: route-travel-mobile 4.8s cubic-bezier(.6, 0, .3, 1) infinite; }
  @keyframes route-travel-mobile { 0%, 9% { top: 0; opacity: 0; } 15% { opacity: 1; } 86% { opacity: 1; } 94%, 100% { top: calc(100% - 9px); opacity: 0; } }
  .route__node { width: calc(100% - 42px); margin-left: 42px; }
  .route__node--code, .route__node--output { transform: none; }
  .route__node--output { box-shadow: 6px 6px 0 var(--signal); }
  .route__note { grid-template-columns: 1fr; gap: 5px; }
  .statement__lead { margin-bottom: 48px; }
  .statement__columns { columns: 1; }
  .section-tag { grid-template-columns: 36px 1fr; }
  .section-tag p { display: none; }
  .research-item { grid-template-columns: 32px 1fr 20px; gap: 12px; }
  .research-item__number { grid-row: 1 / span 2; }
  .research-item__title { grid-column: 2; }
  .research-item p { grid-column: 2 / 4; }
  .research-item__arrow { grid-column: 3; grid-row: 1; }
  .identity__inner { grid-template-columns: 1fr; gap: 44px; padding-top: 72px; padding-bottom: 72px; }
  .portrait { width: 58%; }
  .identity__main h2 { font-size: clamp(52px, 16vw, 80px); }
  .identity__data { grid-column: auto; }
  .publication { grid-template-columns: 32px 1fr; gap: 12px; }
  .publication__detail { grid-column: 2; }
  .luna__inner { min-height: auto; padding-top: 80px; padding-bottom: 88px; }
  .luna__copy h2 { font-size: clamp(58px, 18vw, 86px); }
  .luna__visual { padding: 7px; box-shadow: 10px 10px 0 rgba(23, 26, 24, .18); }
  .footer__inner { grid-template-columns: 1fr auto; gap: 20px; padding-top: 28px; padding-bottom: 28px; }
  .footer__inner > div:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}