:root {
  --ym-armor: #111816;
  --ym-seal: #26322e;
  --ym-ceramic: #e8ece8;
  --ym-white: #f8faf7;
  --ym-alloy: #a7b1a9;
  --ym-ash: #66716b;
  --ym-closure: #d66b38;
  --ym-brass: #8f7950;
  --ym-line-dark: rgba(17, 24, 22, 0.17);
  --ym-line-light: rgba(232, 236, 232, 0.17);
  --ym-display: "Arial Narrow", "Aptos Narrow", "Helvetica Neue", sans-serif;
}

.yeomim-page {
  color-scheme: light;
  overflow-x: hidden;
  color: var(--ym-armor);
  background: var(--ym-ceramic);
}

.yeomim-page .lab-nav {
  border-color: var(--ym-line-dark);
}

.yeomim-page .lab-nav__home {
  color: var(--ym-armor);
}

.yeomim-page .lab-nav__section {
  color: var(--ym-ash);
}

.ym-shell {
  width: min(calc(100% - 48px), 1380px);
  margin: 0 auto;
}

.ym-hero {
  position: relative;
  min-height: max(780px, 100svh);
  overflow: hidden;
  border-bottom: 1px solid var(--ym-line-dark);
  background:
    linear-gradient(rgba(17, 24, 22, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 22, 0.035) 1px, transparent 1px),
    var(--ym-ceramic);
  background-size: 56px 56px;
}

.ym-hero::before,
.ym-hero::after {
  position: absolute;
  top: 76px;
  bottom: 0;
  z-index: 0;
  width: 18%;
  background: var(--ym-armor);
  content: "";
}

.ym-hero::before {
  left: 0;
  clip-path: polygon(0 0, 100% 0, 72% 46%, 100% 52%, 72% 58%, 100% 100%, 0 100%);
}

.ym-hero::after {
  right: 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 28% 58%, 0 52%, 28% 46%);
}

.ym-hero .lab-nav,
.ym-hero__body {
  position: relative;
  z-index: 2;
}

.ym-hero__body {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  gap: clamp(58px, 8vw, 130px);
  align-items: center;
  min-height: calc(max(780px, 100svh) - 76px);
  padding: 80px 0 100px;
}

.ym-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 28px;
  color: var(--ym-ash);
  font-family: var(--utility);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.ym-eyebrow::before {
  width: 34px;
  height: 3px;
  background: var(--ym-closure);
  content: "";
}

.ym-wordmark {
  margin: 0;
}

.ym-wordmark__kr {
  display: block;
  font-family: var(--ym-display);
  font-size: clamp(104px, 17vw, 230px);
  font-weight: 800;
  letter-spacing: -0.11em;
  line-height: 0.72;
  transform: scaleX(0.88);
  transform-origin: left center;
}

.ym-wordmark__latin {
  display: block;
  margin: 34px 0 0 3px;
  color: var(--ym-seal);
  font-family: var(--utility);
  font-size: clamp(14px, 1.5vw, 20px);
  font-weight: 650;
  letter-spacing: 0.42em;
}

.ym-thesis {
  margin: 58px 0 0;
  font-size: clamp(27px, 3.2vw, 46px);
  font-weight: 640;
  letter-spacing: -0.055em;
  line-height: 1.25;
  word-break: keep-all;
}

.ym-thesis em {
  color: var(--ym-closure);
  font-style: normal;
}

.ym-hook-en {
  margin: 22px 0 0;
  color: var(--ym-seal);
  font-family: var(--utility);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.ym-mission {
  margin: 25px 0 0;
  color: var(--ym-ash);
  font-size: 14px;
  line-height: 1.75;
  word-break: keep-all;
}

.ym-closure {
  display: grid;
  gap: 24px;
  justify-items: center;
}

.ym-closure__frame {
  position: relative;
  width: min(100%, 680px);
  aspect-ratio: 1.22;
  overflow: hidden;
  border: 1px solid var(--ym-armor);
  background:
    linear-gradient(rgba(232, 236, 232, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 236, 232, 0.08) 1px, transparent 1px),
    var(--ym-seal);
  background-size: 48px 48px;
  box-shadow: 24px 28px 0 rgba(17, 24, 22, 0.08);
}

.ym-closure__meta {
  position: absolute;
  z-index: 8;
  right: 22px;
  left: 22px;
  display: flex;
  justify-content: space-between;
  color: var(--ym-alloy);
  font-family: var(--utility);
  font-size: 8px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.ym-closure__meta--top {
  top: 20px;
}

.ym-closure__meta--bottom {
  bottom: 18px;
}

.ym-closure__plate {
  position: absolute;
  top: 16%;
  bottom: 16%;
  z-index: 3;
  width: 45%;
  background: var(--ym-ceramic);
  transition: transform 700ms cubic-bezier(0.65, 0, 0.12, 1);
}

.ym-closure__plate--left {
  left: 0;
  clip-path: polygon(0 0, 88% 0, 88% 24%, 100% 31%, 88% 38%, 88% 62%, 100% 69%, 88% 76%, 88% 100%, 0 100%);
  transform: translateX(-22%);
}

.ym-closure__plate--right {
  right: 0;
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 12% 100%, 12% 76%, 0 69%, 12% 62%, 12% 38%, 0 31%, 12% 24%);
  transform: translateX(22%);
}

.ym-closure__plate span {
  position: absolute;
  width: 24%;
  height: 1px;
  background: var(--ym-alloy);
}

.ym-closure__plate span:nth-child(1) { top: 24%; }
.ym-closure__plate span:nth-child(2) { top: 50%; }
.ym-closure__plate span:nth-child(3) { top: 76%; }
.ym-closure__plate--left span { left: 12%; }
.ym-closure__plate--right span { right: 12%; }

.ym-closure__core {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  width: 34px;
  height: 34px;
  border: 6px solid var(--ym-closure);
  background: var(--ym-seal);
  box-shadow: 0 0 0 12px rgba(214, 107, 56, 0.15);
  transform: translate(-50%, -50%) rotate(45deg);
}

.ym-closure__seam {
  position: absolute;
  top: 17%;
  bottom: 17%;
  left: 50%;
  z-index: 4;
  width: 1px;
  background: repeating-linear-gradient(
    to bottom,
    var(--ym-closure) 0 10px,
    transparent 10px 18px
  );
  opacity: 0;
  transition: opacity 500ms ease 450ms;
}

.ym-closure.is-closed .ym-closure__plate {
  transform: translateX(0);
}

.ym-closure.is-closed .ym-closure__seam {
  opacity: 1;
}

.ym-closure__control {
  display: grid;
  grid-template-columns: auto 140px;
  gap: 18px;
  align-items: center;
  padding: 0;
  border: 0;
  color: var(--ym-armor);
  background: transparent;
  cursor: pointer;
  font-family: var(--utility);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ym-closure__control-line {
  position: relative;
  display: block;
  width: 140px;
  height: 3px;
  background: var(--ym-alloy);
}

.ym-closure__control-line i {
  position: absolute;
  top: -5px;
  left: 0;
  width: 13px;
  height: 13px;
  background: var(--ym-closure);
  transition: left 700ms cubic-bezier(0.65, 0, 0.12, 1);
}

.ym-closure.is-closed .ym-closure__control-line i {
  left: calc(100% - 13px);
}

.ym-section {
  position: relative;
  border-bottom: 1px solid var(--ym-line-dark);
}

.ym-section__grid {
  display: grid;
  grid-template-columns: minmax(170px, 0.3fr) minmax(0, 1fr);
  gap: clamp(52px, 9vw, 150px);
  padding: clamp(94px, 12vw, 170px) 0;
}

.ym-section__label {
  margin: 0;
  color: var(--ym-ash);
  font-family: var(--utility);
  font-size: 9px;
  letter-spacing: 0.18em;
  line-height: 1.75;
  text-transform: uppercase;
}

.ym-section__label strong {
  display: block;
  margin-bottom: 9px;
  color: var(--ym-closure);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.ym-section h2,
.ym-chain-heading h2 {
  max-width: 980px;
  margin: 0 0 46px;
  font-family: var(--ym-display);
  font-size: clamp(48px, 7.4vw, 104px);
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 0.96;
  text-transform: uppercase;
  word-break: keep-all;
}

.ym-section h2 span,
.ym-chain-heading h2 span {
  color: var(--ym-ash);
}

.ym-lede {
  max-width: 840px;
  margin: 0;
  color: var(--ym-ash);
  font-size: clamp(17px, 1.9vw, 23px);
  line-height: 1.8;
  word-break: keep-all;
}

.ym-meaning {
  background: var(--ym-white);
}

.ym-meaning__cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 72px;
  border: 1px solid var(--ym-line-dark);
  background: var(--ym-line-dark);
}

.ym-meaning__cards article {
  min-height: 320px;
  padding: clamp(34px, 5vw, 62px);
  background: var(--ym-white);
}

.ym-meaning__cards .ym-meaning__promise {
  color: var(--ym-ceramic);
  background: var(--ym-seal);
}

.ym-meaning__cards span,
.ym-panel-meta {
  display: block;
  color: var(--ym-closure);
  font-family: var(--utility);
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ym-meaning__cards h3 {
  margin: 78px 0 20px;
  font-size: clamp(25px, 3.2vw, 40px);
  letter-spacing: -0.045em;
}

.ym-meaning__cards p {
  margin: 0;
  color: var(--ym-ash);
  font-size: 14px;
  line-height: 1.8;
  word-break: keep-all;
}

.ym-meaning__promise p {
  color: var(--ym-alloy);
}

.ym-chain-section {
  padding: clamp(94px, 12vw, 170px) 0;
  color: var(--ym-ceramic);
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(214, 107, 56, 0.55) 50%, transparent calc(50% + 1px)),
    var(--ym-armor);
}

.ym-chain-heading {
  display: grid;
  grid-template-columns: minmax(170px, 0.3fr) minmax(0, 1fr);
  gap: clamp(52px, 9vw, 150px);
}

.ym-chain-section .ym-section__label,
.ym-chain-section .ym-lede {
  color: var(--ym-alloy);
}

.ym-chain-section h2 span {
  color: var(--ym-alloy);
}

.ym-chain {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 90px;
  border-top: 1px solid var(--ym-line-light);
  border-bottom: 1px solid var(--ym-line-light);
}

.ym-chain article {
  position: relative;
  min-height: 300px;
  padding: 30px 28px;
  border-right: 1px solid var(--ym-line-light);
}

.ym-chain article:first-child { padding-left: 0; }
.ym-chain article:last-child { border-right: 0; }

.ym-chain article:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -8px;
  z-index: 3;
  width: 15px;
  height: 15px;
  border: 1px solid var(--ym-closure);
  background: var(--ym-armor);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.ym-chain span {
  color: var(--ym-alloy);
  font-family: var(--utility);
  font-size: 8px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.ym-chain h3 {
  margin: 100px 0 14px;
  font-size: clamp(29px, 3.4vw, 47px);
  letter-spacing: -0.05em;
}

.ym-chain p {
  margin: 0;
  color: var(--ym-alloy);
  font-size: 13px;
  line-height: 1.65;
  word-break: keep-all;
}

.ym-identity {
  background: var(--ym-ceramic);
}

.ym-identity__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1px;
  margin-top: 72px;
  border: 1px solid var(--ym-line-dark);
  background: var(--ym-line-dark);
}

.ym-mark-stage,
.ym-materials {
  position: relative;
  min-height: 540px;
  padding: clamp(34px, 5vw, 66px);
  background: var(--ym-white);
}

.ym-mark-stage {
  display: grid;
  overflow: hidden;
  place-items: center;
}

.ym-mark-stage img {
  position: relative;
  z-index: 2;
  width: min(33vw, 310px);
}

.ym-panel-meta {
  position: absolute;
  top: 28px;
  left: 28px;
}

.ym-mark-stage__axes span {
  position: absolute;
  background: var(--ym-line-dark);
}

.ym-mark-stage__axes span:first-child {
  top: 15%;
  bottom: 15%;
  left: 50%;
  width: 1px;
}

.ym-mark-stage__axes span:last-child {
  top: 50%;
  right: 15%;
  left: 15%;
  height: 1px;
}

.ym-type {
  margin-top: 74px;
}

.ym-type strong {
  display: block;
  font-family: var(--ym-display);
  font-size: clamp(74px, 10vw, 134px);
  letter-spacing: -0.1em;
  line-height: 0.8;
  transform: scaleX(0.88);
  transform-origin: left center;
}

.ym-type span {
  display: block;
  margin-top: 30px;
  color: var(--ym-seal);
  font-family: var(--utility);
  font-size: 12px;
  letter-spacing: 0.34em;
}

.ym-palette {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  height: 180px;
  margin-top: 54px;
  border: 1px solid var(--ym-line-dark);
}

.ym-palette span {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  padding: 12px 8px;
  color: var(--ym-ceramic);
  font-family: var(--utility);
  font-size: 7px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  text-transform: uppercase;
}

.ym-palette i {
  font-style: normal;
}

.ym-palette span:nth-child(1) { background: var(--ym-armor); }
.ym-palette span:nth-child(2) { background: var(--ym-seal); }
.ym-palette span:nth-child(3) { color: var(--ym-armor); background: var(--ym-ceramic); }
.ym-palette span:nth-child(4) { color: var(--ym-armor); background: var(--ym-alloy); }
.ym-palette span:nth-child(5) { color: var(--ym-armor); background: var(--ym-closure); }

.ym-directions {
  color: var(--ym-ceramic);
  background: #0c1210;
}

.ym-directions .ym-section__label,
.ym-directions .ym-lede {
  color: var(--ym-alloy);
}

.ym-directions h2 span {
  color: var(--ym-alloy);
}

.ym-directions__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 72px;
}

.ym-direction {
  --direction-bg: #15201c;
  --direction-ink: #e8ece8;
  --direction-muted: #9aa69e;
  --direction-accent: #d66b38;
  display: flex;
  min-height: 720px;
  flex-direction: column;
  overflow: hidden;
  padding: 26px;
  border: 1px solid rgba(232, 236, 232, 0.14);
  color: var(--direction-ink);
  background: var(--direction-bg);
}

.ym-direction--lattice {
  --direction-bg: #e2e7e2;
  --direction-ink: #111816;
  --direction-muted: #66716b;
  --direction-accent: #667e75;
}

.ym-direction--lock {
  --direction-bg: #181715;
  --direction-ink: #eee9df;
  --direction-muted: #a4998b;
  --direction-accent: #b95334;
}

.ym-direction header,
.ym-direction footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--direction-muted);
  font-family: var(--utility);
  font-size: 8px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.ym-direction__lockup {
  display: flex;
  gap: 17px;
  align-items: center;
  margin-top: 66px;
}

.ym-direction__lockup img {
  width: 62px;
  filter: var(--ym-direction-filter, none);
}

.ym-direction:not(.ym-direction--lattice) .ym-direction__lockup img {
  padding: 8px;
  background: var(--ym-ceramic);
}

.ym-direction__lockup strong {
  display: block;
  font-family: var(--ym-display);
  font-size: clamp(43px, 4.5vw, 66px);
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.ym-direction__lockup span {
  display: block;
  margin-top: 13px;
  color: var(--direction-muted);
  font-family: var(--utility);
  font-size: 8px;
  letter-spacing: 0.24em;
}

.ym-direction > p {
  min-height: 95px;
  margin: 50px 0 28px;
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.45;
  word-break: keep-all;
}

.ym-direction__graphic {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--direction-ink) 18%, transparent);
}

.ym-direction__graphic--shield {
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(214, 107, 56, 0.55) 50%, transparent calc(50% + 1px)),
    repeating-linear-gradient(0deg, transparent 0 36px, rgba(232, 236, 232, 0.08) 36px 37px);
}

.ym-direction__graphic--shield::before,
.ym-direction__graphic--shield::after {
  position: absolute;
  top: 18%;
  bottom: 18%;
  width: 42%;
  background: var(--direction-ink);
  content: "";
}

.ym-direction__graphic--shield::before {
  left: 0;
  clip-path: polygon(0 0, 86% 0, 86% 38%, 100% 50%, 86% 62%, 86% 100%, 0 100%);
}

.ym-direction__graphic--shield::after {
  right: 0;
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 14% 100%, 14% 62%, 0 50%, 14% 38%);
}

.ym-direction__graphic--shield i {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: 16px;
  height: 16px;
  background: var(--direction-accent);
  transform: translate(-50%, -50%) rotate(45deg);
}

.ym-direction__graphic--lattice {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 1px;
  padding: 32px;
  background: color-mix(in srgb, var(--direction-ink) 16%, transparent);
}

.ym-direction__graphic--lattice i {
  background: var(--direction-bg);
  outline: 1px solid color-mix(in srgb, var(--direction-ink) 18%, transparent);
}

.ym-direction__graphic--lattice::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 19px;
  height: 19px;
  background: var(--direction-accent);
  content: "";
  transform: translate(-50%, -50%) rotate(45deg);
}

.ym-direction__graphic--lock {
  background:
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(238, 233, 223, 0.07) 31px 32px),
    var(--direction-bg);
}

.ym-direction__graphic--lock::before,
.ym-direction__graphic--lock::after {
  position: absolute;
  top: 50%;
  width: 45%;
  height: 5px;
  background: var(--direction-accent);
  content: "";
}

.ym-direction__graphic--lock::before { left: 0; }
.ym-direction__graphic--lock::after { right: 0; }

.ym-direction__graphic--lock i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 28px;
  height: 28px;
  border: 5px solid var(--direction-accent);
  transform: translate(-50%, -50%) rotate(45deg);
}

.ym-direction footer {
  align-items: end;
  margin-top: auto;
  padding-top: 30px;
}

.ym-direction footer strong {
  color: var(--direction-ink);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: -0.01em;
}

.ym-direction footer span {
  text-align: right;
}

.ym-romanization {
  background: var(--ym-white);
}

.ym-roman {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: clamp(42px, 7vw, 100px);
  align-items: end;
  margin-top: 70px;
}

.ym-roman__display strong {
  display: block;
  overflow: hidden;
  font-family: var(--ym-display);
  font-size: clamp(60px, 10vw, 138px);
  letter-spacing: -0.055em;
  line-height: 0.82;
  text-overflow: ellipsis;
}

.ym-roman__display span {
  display: block;
  margin-top: 26px;
  color: var(--ym-ash);
  font-family: var(--utility);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.ym-roman__controls {
  display: grid;
  gap: 9px;
}

.ym-roman__controls button {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  width: 100%;
  padding: 17px 18px;
  border: 1px solid var(--ym-line-dark);
  color: var(--ym-ash);
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.ym-roman__controls button:hover,
.ym-roman__controls button[aria-pressed="true"] {
  color: var(--ym-armor);
  border-color: var(--ym-closure);
  background: rgba(214, 107, 56, 0.08);
}

.ym-roman__controls span:first-child {
  font-family: var(--utility);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.ym-roman__controls span:last-child {
  font-size: 10px;
}

.ym-roman__note {
  max-width: 740px;
  margin: 48px 0 0;
  color: var(--ym-ash);
  font-size: 14px;
  line-height: 1.8;
  word-break: keep-all;
}

.ym-roman__note code {
  color: var(--ym-seal);
}

.ym-applications {
  color: var(--ym-ceramic);
  background: var(--ym-seal);
}

.ym-applications .ym-section__label,
.ym-applications .ym-lede {
  color: var(--ym-alloy);
}

.ym-applications h2 span {
  color: var(--ym-alloy);
}

.ym-mockups {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: repeat(2, minmax(310px, 1fr));
  gap: 14px;
  min-height: 700px;
}

.ym-mockup {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ym-line-light);
}

.ym-mockup--system {
  display: flex;
  grid-row: 1 / span 2;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(28px, 4vw, 50px);
  background:
    linear-gradient(rgba(232, 236, 232, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 236, 232, 0.05) 1px, transparent 1px),
    #0c1210;
  background-size: 42px 42px;
}

.ym-mockup header,
.ym-mockup footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--ym-alloy);
  font-family: var(--utility);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ym-system-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 72px);
  grid-template-rows: repeat(2, 72px);
  gap: 80px 130px;
  align-self: center;
}

.ym-system-map span {
  position: relative;
  z-index: 2;
  border: 1px solid var(--ym-alloy);
  background: var(--ym-armor);
}

.ym-system-map span::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  background: var(--ym-closure);
  content: "";
  transform: translate(-50%, -50%) rotate(45deg);
}

.ym-system-map::before,
.ym-system-map::after {
  position: absolute;
  z-index: 1;
  background: var(--ym-alloy);
  content: "";
  opacity: 0.5;
}

.ym-system-map::before {
  top: 50%;
  left: 36px;
  width: calc(100% - 72px);
  height: 1px;
}

.ym-system-map::after {
  top: 36px;
  left: 50%;
  width: 1px;
  height: calc(100% - 72px);
}

.ym-system-map i {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  width: 30px;
  height: 30px;
  border: 5px solid var(--ym-closure);
  background: #0c1210;
  transform: translate(-50%, -50%) rotate(45deg);
}

.ym-mockup--plate {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 34px;
  color: var(--ym-armor);
  background:
    linear-gradient(145deg, transparent 60%, rgba(17, 24, 22, 0.08) 60.2%),
    var(--ym-ceramic);
}

.ym-mini-lockup {
  display: flex;
  gap: 13px;
  align-items: center;
}

.ym-mini-lockup img {
  width: 42px;
}

.ym-mini-lockup strong {
  font-family: var(--utility);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.ym-mockup--plate > div:last-child > strong {
  display: block;
  font-family: var(--ym-display);
  font-size: clamp(38px, 4vw, 58px);
  letter-spacing: -0.04em;
}

.ym-mockup--plate > div:last-child > span {
  display: block;
  margin-top: 12px;
  color: var(--ym-ash);
  font-family: var(--utility);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ym-mockup--field {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
  padding: 32px;
  background: #1b2421;
}

.ym-mockup--field > span,
.ym-mockup--field small {
  color: var(--ym-alloy);
  font-family: var(--utility);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ym-mockup--field > strong {
  align-self: end;
  font-family: var(--ym-display);
  font-size: clamp(42px, 5vw, 68px);
  letter-spacing: -0.05em;
}

.ym-mockup--field small {
  grid-column: 1 / -1;
}

.ym-field-seam {
  position: relative;
  grid-row: 1 / span 2;
  width: 24px;
  border-right: 1px dashed var(--ym-closure);
}

.ym-field-seam i {
  position: absolute;
  top: 50%;
  right: -7px;
  width: 13px;
  height: 13px;
  background: var(--ym-closure);
  transform: rotate(45deg);
}

.ym-footer {
  padding: 90px 0 48px;
  color: var(--ym-ceramic);
  background: #080d0b;
}

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

.ym-footer h2 {
  margin: 0;
  font-family: var(--ym-display);
  font-size: clamp(50px, 7vw, 102px);
  letter-spacing: -0.06em;
  line-height: 0.96;
  text-transform: uppercase;
}

.ym-footer a {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 8px;
  color: var(--ym-alloy);
  font-family: var(--utility);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-decoration: none;
  text-transform: uppercase;
}

.ym-footer a::after {
  width: 40px;
  height: 1px;
  background: var(--ym-closure);
  content: "";
}

.ym-footer__bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 110px;
  padding-top: 22px;
  border-top: 1px solid var(--ym-line-light);
  color: var(--ym-alloy);
  font-family: var(--utility);
  font-size: 8px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

@media (max-width: 1020px) {
  .ym-hero__body,
  .ym-roman {
    grid-template-columns: 1fr;
  }

  .ym-hero::before,
  .ym-hero::after {
    width: 11%;
  }

  .ym-hero__body {
    padding-top: 90px;
  }

  .ym-closure {
    margin-top: 20px;
  }

  .ym-identity__grid,
  .ym-mockups {
    grid-template-columns: 1fr;
  }

  .ym-directions__grid {
    grid-template-columns: 1fr;
  }

  .ym-direction {
    min-height: 640px;
  }

  .ym-mockups {
    grid-template-rows: auto;
  }

  .ym-mockup--system {
    grid-row: auto;
    min-height: 590px;
  }
}

@media (max-width: 740px) {
  .ym-shell {
    width: min(calc(100% - 30px), 1380px);
  }

  .ym-hero {
    min-height: auto;
  }

  .ym-hero::before,
  .ym-hero::after {
    display: none;
  }

  .ym-hero__body {
    min-height: auto;
    gap: 50px;
    padding: 70px 0 80px;
  }

  .ym-wordmark__kr {
    font-size: clamp(100px, 35vw, 152px);
  }

  .ym-thesis {
    margin-top: 44px;
  }

  .ym-closure__frame {
    aspect-ratio: 0.94;
  }

  .ym-closure__control {
    grid-template-columns: auto 100px;
  }

  .ym-closure__control-line {
    width: 100px;
  }

  .ym-section__grid,
  .ym-chain-heading {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .ym-section__grid,
  .ym-chain-section {
    padding: 86px 0;
  }

  .ym-section h2,
  .ym-chain-heading h2 {
    font-size: clamp(46px, 14vw, 74px);
  }

  .ym-meaning__cards,
  .ym-identity__grid {
    grid-template-columns: 1fr;
  }

  .ym-chain {
    grid-template-columns: 1fr;
    margin-top: 58px;
  }

  .ym-chain article {
    min-height: 220px;
    padding: 28px 0;
    border-right: 0;
    border-bottom: 1px solid var(--ym-line-light);
  }

  .ym-chain article:last-child {
    border-bottom: 0;
  }

  .ym-chain article:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
  }

  .ym-chain h3 {
    margin-top: 58px;
  }

  .ym-mark-stage,
  .ym-materials {
    min-height: 450px;
  }

  .ym-mark-stage img {
    width: 230px;
  }

  .ym-palette {
    grid-template-columns: 1fr;
    height: auto;
  }

  .ym-palette span {
    min-height: 64px;
  }

  .ym-direction {
    min-height: 610px;
    padding: 23px;
  }

  .ym-roman {
    margin-top: 52px;
  }

  .ym-roman__controls {
    margin-top: 18px;
  }

  .ym-system-map {
    grid-template-columns: repeat(2, 54px);
    grid-template-rows: repeat(2, 54px);
    gap: 70px 90px;
  }

  .ym-system-map::before {
    left: 27px;
    width: calc(100% - 54px);
  }

  .ym-system-map::after {
    top: 27px;
    height: calc(100% - 54px);
  }

  .ym-footer__top {
    grid-template-columns: 1fr;
  }

  .ym-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    margin-top: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ym-closure__plate,
  .ym-closure__seam,
  .ym-closure__control-line i {
    transition: none;
  }
}