:root {
  --white: #fff;
  --black: #0a0a0a;
  --muted: #62666d;
  --line: #d9d9d9;
  --green: #38e59c;
  --blue: #20baf4;
  --orange: #f08a22;
  --page: min(100% - 48px, 1440px);
  --gutter: clamp(24px, 4vw, 64px);
  --section: clamp(96px, 12vw, 184px);
  --ease: cubic-bezier(.2,.75,.2,1);
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  background: var(--white);
}

body {
  margin: 0;
  color: var(--black);
  background: var(--white);
  font-family: Inter, Pretendard, "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; width: auto; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--black);
  transform: translateY(-150%);
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 50%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: var(--page);
  height: 92px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  transition: height .3s var(--ease), transform .3s var(--ease);
  transform: translateX(-50%);
}

.site-header.is-compact { height: 68px; }
.site-header.is-hidden { transform: translate(-50%, -110%); }

.brand {
  width: max-content;
  font-size: 28px;
  font-weight: 650;
  letter-spacing: -.055em;
}

.site-header nav {
  display: flex;
  gap: clamp(24px, 4vw, 58px);
  font-size: 16px;
}

.site-header nav a,
.language,
footer nav a,
.footer-language {
  position: relative;
}

.site-header nav a::after,
.language::after,
footer nav a::after,
.footer-language::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 1px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .24s var(--ease);
}

.site-header nav a:hover::after,
.site-header nav a:focus-visible::after,
.language:hover::after,
.language:focus-visible::after,
footer nav a:hover::after,
.footer-language:hover::after { transform: scaleX(1); transform-origin: left; }

.language {
  justify-self: end;
  display: flex;
  gap: 7px;
  align-items: center;
  font-size: 15px;
}

.language span:last-child { color: #707070; }
.language i { color: #aaa; font-style: normal; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(260px, .72fr);
  align-items: center;
  width: var(--page);
  min-height: 100svh;
  padding: 150px 16px 132px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
}

.hero h1,
.section-heading h2,
.labs-title h2,
.closing h2 {
  margin: 0;
  font-weight: 510;
  letter-spacing: -.065em;
  line-height: .98;
}

.hero h1 {
  max-width: 900px;
  font-size: clamp(62px, 7.6vw, 120px);
}

html[lang="ko"] .hero h1 {
  font-size: clamp(58px, 5.8vw, 92px);
  letter-spacing: -.075em;
  line-height: 1.04;
  word-break: keep-all;
}

.hero-copy > p {
  margin: 46px 0 0;
  font-size: clamp(20px, 2vw, 29px);
  line-height: 1.36;
  letter-spacing: -.025em;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 48px;
}

.outline-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 224px;
  min-height: 66px;
  padding: 16px 28px;
  border: 1.5px solid var(--black);
  font-size: 19px;
  transition: color .22s var(--ease), background .22s var(--ease);
}

.outline-button:hover,
.outline-button:focus-visible { color: var(--white); background: var(--black); }

.email-link {
  border-bottom: 1px solid var(--black);
  font-size: 18px;
}

.node-mark {
  position: relative;
  width: 210px;
  height: 140px;
}

.node-mark span,
.node-mark b {
  position: absolute;
  z-index: 2;
  width: 66px;
  height: 66px;
  border-radius: 50%;
}

.node-mark span { top: 0; left: 0; background: var(--green); }
.node-mark b { right: 0; bottom: 0; background: var(--blue); }
.node-mark i {
  position: absolute;
  top: 49%;
  left: 42px;
  width: 133px;
  height: 1.5px;
  background: var(--black);
  transform: rotate(34deg);
}

.hero-mark { justify-self: center; transform: scale(1.35); }

.section-preview {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 16px 34px;
  border-top: 1px solid var(--line);
  font-size: clamp(28px, 3.2vw, 48px);
  font-weight: 560;
  letter-spacing: -.045em;
}

.section-preview svg,
.text-link svg,
.contact-row svg {
  width: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .2s var(--ease);
}

.section-preview:hover svg,
.text-link:hover svg { transform: translateX(6px); }

.section {
  width: var(--page);
  padding: var(--section) 16px;
  margin: 0 auto;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: clamp(90px, 12vw, 168px);
}

.section-heading h2,
.labs-title h2 { font-size: clamp(56px, 6vw, 94px); }
.section-heading .node-mark { transform: scale(.72); transform-origin: top right; }

.feature {
  display: grid;
  align-items: center;
  gap: clamp(56px, 9vw, 148px);
  min-height: 760px;
  padding: clamp(70px, 9vw, 130px) 3vw;
  border-bottom: 1px solid var(--line);
}

.feature-movacue { grid-template-columns: minmax(300px, .78fr) minmax(330px, .72fr); }
.feature-phzical { grid-template-columns: minmax(340px, .95fr) minmax(300px, .68fr); border-bottom: 0; }

.project-number {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 28px;
  font-size: 17px;
}

.project-number i { width: 220px; height: 1px; background: #aaa; }

.feature-copy h3,
.system-copy h3,
.lab-copy h3 {
  margin: 0;
  font-size: clamp(48px, 5vw, 78px);
  font-weight: 560;
  line-height: 1;
  letter-spacing: -.06em;
}

.eyebrow {
  margin: 24px 0 0;
  font-size: clamp(20px, 2vw, 28px);
  letter-spacing: -.03em;
}

.description {
  max-width: 530px;
  margin: 34px 0 0;
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.48;
  letter-spacing: -.014em;
}

html[lang="ko"] .description,
html[lang="ko"] .lab-copy p,
html[lang="ko"] .about-row > p { word-break: keep-all; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding-bottom: 3px;
  margin-top: 42px;
  border-bottom: 1px solid var(--black);
  font-size: 18px;
}

.phone-frame {
  justify-self: center;
  position: relative;
  width: min(100%, 410px);
  padding: 9px;
  border: 3px solid #222;
  border-radius: 54px;
  background: #080808;
  box-shadow: 0 22px 38px rgba(0,0,0,.23), inset 0 0 0 2px #3b3b3b;
  overflow: hidden;
}

.phone-frame::before {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 50%;
  width: 86px;
  height: 23px;
  border-radius: 20px;
  content: "";
  background: #000;
  transform: translateX(-50%);
}

.phone-frame img { width: 100%; border-radius: 42px; }

.media-frame {
  justify-self: stretch;
  height: 650px;
  background: #07131c;
  overflow: hidden;
}

.phzical-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.systems-section { padding-top: 70px; }

.system-row {
  display: grid;
  grid-template-columns: minmax(280px, .42fr) minmax(520px, 1fr);
  align-items: center;
  gap: clamp(44px, 7vw, 110px);
  padding: 26px 3vw 66px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.system-row:last-child { border-bottom: 0; }
.system-copy h3 { font-size: clamp(45px, 4vw, 66px); }
.system-copy .project-number i { width: 180px; }
.system-copy .eyebrow { font-size: clamp(18px, 1.4vw, 23px); }
.system-copy .description { margin-top: 25px; font-size: 18px; }

.link-group { display: flex; gap: 34px; flex-wrap: wrap; }

.browser-frame {
  border: 1px solid #c8c8c8;
  border-radius: 17px;
  background: #f5f5f5;
  box-shadow: 0 12px 24px rgba(0,0,0,.12);
  overflow: hidden;
}

.browser-dark { border-color: #28303a; background: #101720; }
.browser-bar { display: flex; gap: 7px; align-items: center; height: 38px; padding: 0 14px; }
.browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff605c; }
.browser-bar i:nth-child(2) { background: #ffbd44; }
.browser-bar i:nth-child(3) { background: #00ca4e; }
.browser-frame img { width: 100%; }

.labs-section { padding-top: 100px; }
.labs-title { margin-bottom: 68px; }
.labs-title > p { margin: 0 0 10px; font-size: 21px; }

.lab-row {
  display: grid;
  grid-template-columns: minmax(290px, .48fr) minmax(520px, 1fr);
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.lab-row:last-child { border-bottom: 1px solid var(--line); }
.lab-copy { padding-left: 3vw; }
.lab-copy .project-number { margin-bottom: 23px; }
.lab-copy .project-number i { width: 130px; }
.lab-copy h3 { font-size: clamp(32px, 3vw, 48px); }

.lab-name { display: flex; align-items: baseline; gap: 28px; }
.lab-name span { color: var(--muted); font-size: 16px; white-space: nowrap; }
.lab-copy > p { max-width: 390px; margin: 20px 0 0; font-size: 17px; }

.lab-media {
  height: 270px;
  border: 1px solid #d5d5d5;
  background: #f8f8f8;
  overflow: hidden;
}

.lab-media img { width: 100%; height: 100%; object-fit: cover; }
.lab-markdiff img { object-position: top; }
.lab-cheese { border: 0; background: var(--white); }
.lab-cheese img { object-fit: contain; }
.lab-talky img { object-position: top; }

.closing {
  color: var(--white);
  background: var(--black);
}

.about-row,
.contact-row,
.closing footer {
  width: var(--page);
  margin: 0 auto;
  padding-right: 16px;
  padding-left: 16px;
}

.about-row {
  display: grid;
  grid-template-columns: minmax(330px, .8fr) minmax(360px, 1fr) 190px;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
  min-height: 290px;
  padding-top: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid #444;
}

.closing-label { margin: 0 0 12px; font-size: 17px; }
.about-row h2 { font-size: clamp(36px, 4vw, 62px); line-height: 1.04; }
.about-row > p { max-width: 680px; margin: 0; font-size: clamp(18px, 1.7vw, 25px); line-height: 1.5; }
.closing-mark { transform: scale(.66); transform-origin: right center; }
.closing-mark i { background: var(--white); }

.contact-row {
  min-height: 250px;
  padding-top: 42px;
  padding-bottom: 44px;
  border-bottom: 1px solid #444;
}

.contact-row > div {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 36px;
}

.contact-row h2 { font-size: clamp(42px, 5.4vw, 84px); }
.contact-row a { display: flex; align-items: center; gap: 30px; padding-bottom: 4px; border-bottom: 1px solid var(--white); font-size: clamp(20px, 2.2vw, 34px); white-space: nowrap; }
.contact-row a:hover svg { transform: translateX(5px); }

.closing footer {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: clamp(24px, 4vw, 64px);
  min-height: 104px;
}

.closing footer .brand { font-size: 24px; }
.closing footer p { margin: 0; color: #9e9e9e; font-size: 13px; }
.closing footer nav { display: flex; gap: 34px; font-size: 14px; }
.footer-language { font-size: 14px; }

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.js .reveal.is-visible { opacity: 1; transform: none; }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }

@media (min-width: 981px) {
  .hero-copy { position: relative; top: -30px; }
  .hero-mark {
    justify-self: start;
    width: 440px;
    height: 280px;
    transform: none;
  }
  .hero-mark span,
  .hero-mark b { width: 106px; height: 106px; }
  .hero-mark i { top: 50%; left: 76px; width: 300px; transform: rotate(34deg); }
}

@media (max-width: 980px) {
  :root { --page: min(100% - 32px, 900px); }
  .site-header { grid-template-columns: 1fr auto; height: 82px; }
  .site-header nav { order: 3; grid-column: 1 / -1; justify-content: center; gap: 34px; padding-bottom: 12px; font-size: 14px; }
  .site-header.is-compact { height: 82px; }
  .hero { grid-template-columns: 1fr; align-content: center; padding-top: 160px; }
  .hero-copy { position: relative; z-index: 2; }
  .hero-mark { position: absolute; right: 6%; top: 23%; opacity: .5; transform: scale(.85); }
  .feature { grid-template-columns: 1fr; gap: 68px; min-height: auto; }
  .feature-movacue .phone-frame { width: min(78vw, 390px); }
  .feature-phzical .phzical-frame { order: 2; }
  .media-frame { height: min(100vw, 680px); }
  .system-row, .lab-row { grid-template-columns: 1fr; }
  .system-row { padding-top: 56px; }
  .lab-row { padding: 64px 3vw; }
  .lab-media { height: min(52vw, 420px); }
  .about-row { grid-template-columns: 1fr 1fr; }
  .closing-mark { display: none; }
  .contact-row > div { display: block; }
  .contact-row a { width: max-content; max-width: 100%; margin-top: 44px; }
  .closing footer { grid-template-columns: 1fr auto; padding-top: 28px; padding-bottom: 28px; }
  .closing footer p { order: 3; }
  .closing footer nav { order: 4; }
}

@media (max-width: 640px) {
  :root { --page: calc(100% - 24px); --section: 92px; }
  .site-header { width: calc(100% - 24px); }
  .brand { font-size: 24px; }
  .site-header nav { gap: 20px; overflow-x: auto; justify-content: flex-start; }
  .language { font-size: 14px; }
  .hero { min-height: 860px; padding-right: 8px; padding-left: 8px; }
  .hero h1 { font-size: clamp(50px, 15vw, 74px); line-height: 1.02; }
  html[lang="ko"] .hero h1 { font-size: clamp(46px, 13.6vw, 66px); }
  .hero-copy > p { margin-top: 34px; font-size: 19px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 28px; margin-top: 40px; }
  .outline-button { min-width: 196px; min-height: 58px; font-size: 17px; }
  .email-link { font-size: 16px; }
  .hero-mark { top: 16%; right: -10%; transform: scale(.64); opacity: .32; }
  .section-preview { padding-right: 8px; padding-left: 8px; font-size: 27px; }
  .section { padding-right: 8px; padding-left: 8px; }
  .section-heading { margin-bottom: 72px; }
  .section-heading h2, .labs-title h2 { font-size: clamp(48px, 14vw, 68px); }
  .section-heading .node-mark { display: none; }
  .feature { padding: 70px 0; }
  .project-number i { flex: 1; width: auto; }
  .feature-copy h3, .system-copy h3 { font-size: clamp(44px, 13vw, 62px); }
  .eyebrow { margin-top: 20px; font-size: 19px; }
  .description { margin-top: 25px; font-size: 17px; }
  .text-link { margin-top: 34px; font-size: 16px; }
  .phone-frame { border-radius: 44px; }
  .phone-frame img { border-radius: 35px; }
  .media-frame { height: 128vw; max-height: 620px; }
  .systems-section { padding-top: 20px; }
  .system-row { padding-right: 0; padding-left: 0; }
  .browser-bar { height: 30px; }
  .browser-bar i { width: 8px; height: 8px; }
  .labs-title { margin-bottom: 52px; }
  .lab-row { gap: 35px; padding: 56px 0; }
  .lab-copy { padding-left: 0; }
  .lab-name { align-items: flex-start; flex-direction: column; gap: 8px; }
  .lab-copy h3 { font-size: 38px; }
  .lab-media { height: 66vw; }
  .about-row, .contact-row, .closing footer { width: calc(100% - 24px); padding-right: 8px; padding-left: 8px; }
  .about-row { grid-template-columns: 1fr; min-height: auto; padding-top: 72px; padding-bottom: 72px; }
  .about-row > p { font-size: 18px; }
  .contact-row { padding-top: 58px; padding-bottom: 64px; }
  .contact-row h2 { font-size: 45px; line-height: 1.05; }
  html[lang="ko"] .contact-row h2 { font-size: 40px; word-break: keep-all; }
  .contact-row a { gap: 16px; font-size: 20px; }
  .contact-row a svg { width: 22px; }
  .closing footer { grid-template-columns: 1fr auto; gap: 18px; }
  .closing footer nav { display: none; }
  .closing footer p { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}