:root {
  color-scheme: dark;
  --background: #0b1424;
  --surface: #101d31;
  --navy: #192447;
  --cyan: #269fc5;
  --accent: #70d2ef;
  --text: #edf4fa;
  --muted: #a6b7ca;
  --rule: #ffffff24;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Space Grotesk", var(--sans);
  --header: 5.5rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 20px); scrollbar-gutter: stable; }
body { margin: 0; background: var(--background); color: var(--text); font: 400 1rem/1.75 var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
h1,h2,h3,p,figure { margin: 0; }
h1,h2,h3 { font-family: var(--display); font-weight: 500; line-height: 1.13; letter-spacing: -.045em; }
h1,h2,h3,p,a,address,li { overflow-wrap: anywhere; }
h2 { font-size: clamp(2.5rem, 4.8vw, 4.5rem); }
a { color: inherit; text-decoration: none; }
button,input { font: inherit; }
button { cursor: pointer; }
button,a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--background); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.wrap { width: min(100%, 1360px); padding-inline: 48px; margin-inline: auto; }
.section { padding-block: 112px; }
.eyebrow { font-size: .75rem; font-weight: 600; line-height: 1.65; letter-spacing: .13em; color: var(--accent); }
.muted-heading { color: var(--muted); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 52px; }
.section-heading .eyebrow { margin-bottom: 26px; }
.section-heading > p { color: var(--muted); max-width: 320px; }
.section-note { margin-top: 26px; font-size: .8125rem; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 24px; min-height: 44px; font-size: .875rem; font-weight: 500; }
.text-link span { transition: transform .2s ease; }
.text-link:hover { color: var(--accent); }
.text-link:hover span { transform: translate(2px, -2px); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 38px; padding: 15px 22px; min-height: 52px; font-size: .9375rem; font-weight: 600; border-radius: 5px; }
.button-primary { background: var(--accent); color: #0b2030; transition: background .2s; }
.button-primary:hover { background: #a4e8fb; }
.skip-link { position: fixed; top: 10px; left: 16px; z-index: 100; padding: 10px 20px; background: var(--accent); color: var(--background); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

/* A dark frame keeps the brand and navigation consistent across the page. */
.site-header { min-height: var(--header); position: sticky; top: 0; z-index: 50; background: var(--background); border-bottom: 1px solid var(--rule); }
.nav-wrap { min-height: var(--header); display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; min-height: 44px; }
.brand img { width: 144px; filter: brightness(0) invert(1); }
.desktop-nav { display: flex; align-items: center; gap: 36px; }
.desktop-nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: .875rem; color: #c4d1e0; }
.desktop-nav a:hover { color: var(--accent); }
.nav-contact { display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 7px 18px; min-height: 44px; border: 1px solid #ffffff40; border-radius: 5px; font-size: .875rem; }
.nav-contact:hover { border-color: var(--accent); }
.language-switch { display: inline-flex; align-items: center; flex-shrink: 0; margin-left: auto; padding: 3px; gap: 2px; border: 1px solid #c8efff36; border-radius: 999px; background: linear-gradient(135deg,#ffffff14,#ffffff05); box-shadow: inset 0 1px 0 #ffffff14, 0 6px 22px #0000001a; backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%); }
.language-switch a { position: relative; display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 36px; padding: 0 10px; border: 1px solid transparent; border-radius: 999px; color: var(--muted); font: 600 .75rem/1.2 var(--sans); letter-spacing: .04em; transition: background .2s, color .2s; }
/* Keep the touch area 44px tall while the visible control stays compact. */
.language-switch a::after { content: ''; position: absolute; inset: -5px -1px; }
.language-switch a:hover { color: var(--text); background: #ffffff0d; }
.language-switch a[aria-current="page"] { color: #e4faff; background: linear-gradient(145deg,#70d2ef35,#269fc512); border-color: #a3e5ff45; box-shadow: inset 0 1px 0 #ffffff24, 0 2px 8px #00000024; }
.menu-toggle { display: none; align-items: center; justify-content: center; flex-direction: column; width: 44px; height: 44px; padding: 8px; gap: 6px; flex-shrink: 0; border: 0; background: transparent; }
.menu-toggle span { width: 24px; height: 2px; background: var(--text); transition: transform .2s; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.mobile-nav { position: absolute; top: 100%; left: 0; right: 0; background: #101d31; padding: 12px 24px max(24px,env(safe-area-inset-bottom)); border-bottom: 1px solid var(--rule); max-height: calc(100svh - var(--header)); overflow: auto; }
.mobile-nav a { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 18px 0; border-bottom: 1px solid var(--rule); min-height: 56px; }
.mobile-nav a:last-child { border: 0; }
.mobile-nav a span { font: .75rem var(--display); color: var(--accent); }

/* Opening */
.hero { position: relative; isolation: isolate; overflow: hidden; background: #0c182e; }
.hero-art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 65% center; z-index: -2; }
.hero-motion { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; pointer-events: none; overflow: hidden; mix-blend-mode: screen; }
.hero-signal { fill: none; stroke: #adf0ff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 125 875; stroke-dashoffset: 1000; animation: hero-signal-flow 3.8s linear infinite; animation-delay: var(--signal-delay, 0s); }
.hero-signal-glow { stroke: #3bc8fa; stroke-width: 9; opacity: .24; }
.hero[data-motion="paused"] .hero-signal { animation-play-state: paused; }
@keyframes hero-signal-flow { to { stroke-dashoffset: 0; } }
.hero-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg,#0b1424f0 0%,#0b1424c7 37%,#0b142438 68%),linear-gradient(0deg,#0b1424,transparent 34%); }
.hero-inner { min-height: 660px; padding-top: 72px; padding-bottom: 32px; display: flex; flex-direction: column; align-items: flex-start; }
.hero h1 { margin-top: 30px; font-size: clamp(3.8rem,7.2vw,6.75rem); line-height: 1.04; max-width: 800px; }
.hero h1 span { color: var(--accent); }
.hero-description { margin-top: 28px; font-size: 1.125rem; line-height: 1.8; color: #c5d5e5; }
.hero-actions { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; margin: 30px 0 58px; }
.hero-bottom { margin-top: auto; width: 100%; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; color: #97aec7; font-size: .75rem; letter-spacing: .1em; }
.hero-visual-controls { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 18px; letter-spacing: 0; }
.hero-motion-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 2px; border: 0; background: transparent; color: #bed4e5; font-size: .875rem; }
.hero-motion-toggle:hover { color: var(--accent); }
.hero-motion-toggle svg { fill: none; stroke: currentColor; stroke-width: 2; }
.hero-motion-toggle.is-paused svg { fill: currentColor; stroke: none; }
.introduction { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; padding-block: 56px; border-bottom: 1px solid var(--rule); }
.introduction > p { color: var(--muted); max-width: 470px; font-size: 1.375rem; line-height: 1.6; letter-spacing: -.025em; }
.introduction > p span { color: var(--text); }
.intro-facts { display: flex; justify-content: space-between; gap: 25px; flex-wrap: wrap; }
.intro-facts div { display: flex; flex-direction: column; gap: 8px; }
.intro-facts strong { font: 500 2rem/1.2 var(--display); }
.intro-facts span { font-size: .8125rem; color: var(--muted); }

/* Product concepts */
.products { background: #0d182a; }
.product-panel { display: grid; grid-template-columns: .9fr 1.3fr; gap: 56px; align-items: center; }
.product-panel + .product-panel { margin-top: 64px; padding-top: 64px; border-top: 1px solid var(--rule); }
.product-copy { padding-block: 10px; }
.product-copy > .product-label { display: flex; align-items: baseline; gap: 14px; margin-bottom: 20px; color: var(--text); font-size: 1rem; font-weight: 500; }
.product-label span { flex-shrink: 0; color: var(--accent); font-size: .75rem; }
.status-tag { color: var(--accent); display: inline-block; border: 1px solid #70d2ef44; border-radius: 3px; padding: 5px 9px; font-size: .875rem; letter-spacing: .07em; }
.product-copy h3 { font-size: clamp(2rem,3vw,2.875rem); margin: 25px 0 20px; line-height: 1.2; }
.product-copy > p { max-width: 430px; color: var(--muted); line-height: 1.85; }
.application-list { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 25px 0; font-size: .875rem; color: #c2d6e6; }
.application-list span + span { border-left: 1px solid var(--rule); padding-left: 20px; }
.product-copy .text-link { color: var(--accent); }
.product-visual { overflow: hidden; background: #0a1424; border: 1px solid #ffffff12; border-radius: 12px; }
.product-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: contain; }
.product-visual figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 15px 22px; border-top: 1px solid #ffffff12; color: var(--muted); font-size: .75rem; }
.product-visual figcaption > span:first-child { letter-spacing: .07em; }

/* Company timeline, based on the supplied reference. */
.company-section { background: #0e1525; }
.company-layout { display: grid; grid-template-columns: 190px minmax(0,1fr); gap: 44px; }
.company-kicker { padding-top: 10px; color: var(--muted); font: .75rem/1.8 Consolas, monospace; letter-spacing: .15em; }
.company-kicker > span { color: #79b7ff; margin-right: 9px; }
.company-content { min-width: 0; }
.company-content h2 { font-size: clamp(2rem,3.7vw,3rem); line-height: 1.2; letter-spacing: -.035em; margin-bottom: 40px; }
.company-timeline { list-style: none; padding: 0 0 0 28px; margin: 0 0 0 7px; border-left: 1px solid #ffffff17; }
.company-timeline li { position: relative; display: grid; grid-template-columns: 6.2rem 6.25rem minmax(0,1fr); gap: 22px; align-items: start; padding: 14px 0; }
.company-timeline li::before { content: ''; position: absolute; left: -36px; top: 20px; width: 14px; height: 14px; border: 2px solid #465166; border-radius: 50%; background: #1c2739; }
.timeline-date { min-width: 0; color: #cbd7e6; font: .75rem/1.7 Consolas, monospace; padding-top: 2px; overflow-wrap: anywhere; }
.timeline-type { display: inline-block; width: 6.25rem; max-width: 100%; padding: 4px 10px; border: 1px solid #ffffff20; border-radius: 99px; color: #9eadc0; font: .875rem/1.4 Consolas, monospace; letter-spacing: .045em; text-transform: uppercase; }
.timeline-copy { min-width: 0; color: #e2eaf4; font-size: 1rem; line-height: 1.6; }
.company-timeline .is-ongoing::before { border-color: #79b7ff; background: #79b7ff; box-shadow: 0 0 18px #419bfd66; }
.is-ongoing .timeline-date, .is-ongoing .timeline-copy { color: #91c4ff; }
.is-ongoing .timeline-type { color: #91c4ff; border-color: #79b7ff66; background: #2473c417; }
@media (max-width: 1100px) {
  .company-layout { grid-template-columns: 140px minmax(0,1fr); gap: 30px; }
  .company-timeline li { grid-template-columns: 5.5rem 6rem minmax(0,1fr); gap: 18px; }
}
@media (max-width: 850px) {
  .company-layout { grid-template-columns: 1fr; gap: 22px; }
  .company-kicker { padding-top: 0; }
}
@media (max-width: 600px) {
  .company-content h2 { margin-bottom: 28px; }
  .company-timeline { padding-left: 24px; margin-left: 6px; }
  .company-timeline li { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 10px 18px; padding: 17px 0; }
  .company-timeline li::before { left: -31px; top: 24px; width: 12px; height: 12px; }
  .timeline-date { flex: 1 1 auto; }
  .timeline-type { width: auto; flex: 0 1 auto; }
  .timeline-copy { width: 100%; }
}

/* Contact */
.contact-section { padding-block: 108px; }
.contact-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 100px; align-items: center; }
.contact-section h2 { margin: 28px 0; font-size: clamp(3rem,5.5vw,5rem); }
.contact-section h2 span { color: var(--accent); }
.contact-section p:not(.eyebrow) { color: var(--muted); }
.contact-section .button { margin-top: 26px; }
.contact-details { border-left: 1px solid var(--rule); padding-left: 50px; }
.contact-details address { font-style: normal; font-size: 1.125rem; line-height: 1.85; margin-top: 24px; }
.contact-details address span { display: block; font-size: .875rem; color: var(--muted); margin-top: 14px; }
.contact-details .text-link { margin-top: 16px; color: var(--accent); }
#email-address { display: block; margin-top: 18px; color: var(--accent); }
.contact-map { margin-top: 24px; overflow: hidden; border: 1px solid var(--rule); border-radius: 8px; background: var(--surface); }
.contact-map iframe { display: block; width: 100%; height: clamp(240px, 22vw, 280px); border: 0; color-scheme: light; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--rule); padding-block: 28px; }
.site-footer .brand img { width: 112px; }
.site-footer p { color: var(--muted); font-size: .8125rem; }
.site-footer .text-link { color: var(--muted); }
.product-panel > *, .contact-grid > *, .introduction > * { min-width: 0; }

@media (max-width: 1100px) {
  .nav-wrap { gap: 28px; }.desktop-nav { gap: 26px; }
  .wrap { padding-inline: 32px; }.section { padding-block: 88px; }
  .introduction { gap: 48px; }.introduction > p { font-size: 1.125rem; }
  .product-panel { gap: 32px; grid-template-columns: 1fr 1.1fr; }
  .contact-grid { gap: 55px; }.contact-details { padding-left: 35px; }
}
@media (max-width: 850px) {
  :root { --header: 4.5rem; }
  .nav-wrap { gap: 18px; }.desktop-nav { display: none; }
  .menu-toggle:not([hidden]) { display: flex; }
  .hero-inner { min-height: 660px; padding-top: 56px; }
  .hero-art { object-position: 63% center; }.hero-shade { background: linear-gradient(90deg,#0b1424ec,#0b142491 65%,#0b14244d),linear-gradient(0deg,#0b1424,transparent 40%); }
  .introduction { grid-template-columns: 1fr; gap: 32px; padding-block: 40px; }
  .introduction > p { max-width: 600px; font-size: 1.25rem; }.intro-facts { justify-content: flex-start; gap: 68px; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 26px; }.section-heading > p br { display: none; }
  .product-panel { grid-template-columns: 1fr; gap: 32px; }.product-copy > p { max-width: 570px; }.product-copy h3 { font-size: 2.5rem; }
  .product-visual { max-width: 680px; width: 100%; }.product-visual img { max-height: 425px; }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 30px; }.contact-details { padding-left: 25px; }
}
@media (max-width: 600px) {
  .wrap { padding-inline: 22px; }.section { padding-block: 66px; }
  .nav-wrap { gap: 10px; }.brand img { width: 118px; }.nav-contact { padding-inline: 12px; gap: 12px; }
  .nav-contact { display: none; }
  .hero-inner { padding-top: 42px; padding-bottom: 25px; min-height: 700px; }
  .hero-art { top: auto; bottom: 0; height: 440px; object-position: 69% center; }
  .hero-motion { top: auto; bottom: 0; height: 440px; }
  .hero-shade { background: linear-gradient(180deg,#0b1424 0%,#0b1424fa 33%,#0b142452 72%,#0b1424 100%); }
  .hero .eyebrow { max-width: 250px; font-size: .75rem; letter-spacing: .09em; }
  .hero h1 { font-size: clamp(2.9rem,10.8vw,4.2rem); margin-top: 26px; }
  .hero-description { font-size: 1rem; margin-top: 23px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 12px; margin: 26px 0 60px; }
  .hero .button { min-height: 52px; }.hero-bottom { gap: 8px; font-size: .75rem; flex-direction: column; }
  .hero-visual-controls { gap: 16px; }
  .introduction { padding-block: 34px; gap: 30px; }.introduction > p { font-size: 1.125rem; }
  .intro-facts { gap: 20px; justify-content: space-between; }.intro-facts strong { font-size: 1.625rem; }.intro-facts span { font-size: .75rem; }
  h2 { font-size: 2.625rem; }.section-heading { margin-bottom: 32px; gap: 22px; }.section-heading .eyebrow { margin-bottom: 18px; }
  .section-heading > p { font-size: 1rem; }
  .product-panel + .product-panel { margin-top: 44px; padding-top: 44px; }
  .product-copy h3 { font-size: 2rem; margin: 22px 0 17px; }.product-copy > p { font-size: 1rem; }
  .product-panel { gap: 25px; }.application-list { margin: 23px 0 16px; gap: 8px 15px; }.application-list span + span { padding-left: 15px; }
  .product-visual { border-radius: 8px; }.product-visual img { max-height: none; }.product-visual figcaption { padding: 14px 16px; flex-direction: column; gap: 5px; }
  .section-note { margin-top: 20px; font-size: .75rem; }
  .contact-section { padding-block: 68px; }.contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .contact-section h2 { font-size: 3.125rem; margin: 22px 0; }.contact-details { padding: 28px 0 0; border-left: 0; border-top: 1px solid var(--rule); }
  .contact-details address { font-size: 1rem; margin-top: 18px; }.site-footer { flex-wrap: wrap; gap: 18px; padding-block: 24px; }.site-footer p { order: 3; width: 100%; font-size: .75rem; }
}
@media (max-width: 359px) {
  .wrap { padding-inline: 20px; }.nav-contact { display: none; }
  .hero h1 { font-size: 2.25rem; }.hero-inner { min-height: 680px; }
  .intro-facts { gap: 12px; }.intro-facts strong { font-size: 1.5rem; }
}

/* Korean copy uses natural word breaks and a little more space between lines. */
html:lang(ko) { --sans: "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif; --display: var(--sans); }
html:lang(ko) h1, html:lang(ko) h2, html:lang(ko) h3, html:lang(ko) p, html:lang(ko) a, html:lang(ko) address, html:lang(ko) li { word-break: keep-all; }
html:lang(ko) h1, html:lang(ko) h2, html:lang(ko) h3 { line-height: 1.3; letter-spacing: -.045em; }
html:lang(ko) .hero h1 { font-size: clamp(3.5rem,6.4vw,6rem); }
html:lang(ko) .eyebrow, html:lang(ko) .hero-bottom, html:lang(ko) .status-tag, html:lang(ko) .product-visual figcaption > span:first-child { letter-spacing: .035em; }
html:lang(ko) .timeline-type { font-family: var(--sans); }
@media (max-width: 600px) {
  .nav-wrap { gap: 8px; padding-block: 8px; }
  .language-switch { padding: 3px; gap: 0; }
  .language-switch a { padding-inline: 8px; }
  .nav-wrap .brand img { width: 104px; }
  html:lang(ko) .hero h1 { font-size: clamp(2.2rem,9.3vw,3.4rem); }
  html:lang(ko) h2 { font-size: clamp(2rem,8.3vw,2.625rem); }
  html:lang(ko) .product-copy h3 { font-size: clamp(1.75rem,7vw,2rem); }
  html:lang(ko) .contact-section h2 { font-size: clamp(2rem,8.5vw,3.125rem); }
}
@media (max-width: 359px) {
  .nav-wrap .brand img { width: 90px; }
}
@media (prefers-reduced-motion: reduce) {
  .hero:not([data-motion-opt-in]) .hero-motion { display: none !important; }
  html { scroll-behavior: auto; } *:not(.hero-signal),*::before,*::after { animation: none !important; transition: none !important; }.text-link:hover span { transform: none; }
}