:root {
  --paper: #fbf9fc;
  --paper-deep: #f1edf5;
  --ink: #251b31;
  --navy: #1d1426;
  --navy-soft: #2d203b;
  --muted: #71647d;
  --line: #e0d8e8;
  --cobalt: #7c3aed;
  --blue-pale: #eee8fb;
  --blue-wash: #f7f3ff;
  --white: #ffffff;
  --sans: 'Noto Sans KR', 'IBM Plex Sans', Arial, sans-serif;
  --mono: 'IBM Plex Sans', 'Noto Sans KR', Arial, sans-serif;
  --header-height: 5.45rem;
  --edge: clamp(1.25rem, 5vw, 5rem);
  --display: clamp(2.44rem, 6.88vw, 6.6rem);
  --h2: clamp(1.8rem, 4.08vw, 3.88rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.58; letter-spacing: -.012em; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
em { font-family: inherit; font-style: normal; }
::selection { color: var(--white); background: var(--cobalt); }
main { scroll-snap-type: y proximity; }
main > section { scroll-snap-align: start; scroll-margin-top: var(--header-height); }

.skip-link { position: fixed; z-index: 99; top: -3rem; left: 1rem; padding: .7rem 1rem; color: var(--white); background: var(--navy); font-size: .8rem; }
.skip-link:focus { top: 1rem; }
.site-header { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem var(--edge); position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(251,249,252,.94); backdrop-filter: blur(12px); }
.wordmark { display: inline-flex; align-items: center; gap: .62rem; font: 700 .68rem/.9 var(--mono); letter-spacing: -.055em; }
.wordmark-mark { width: 1.82rem; height: 1.82rem; display: grid; flex: 0 0 1.82rem; place-items: center; }
.wordmark-mark img { width: 100%; height: 100%; display: block; object-fit: contain; }
.header-actions { display: flex; align-items: center; gap: .72rem; }
.desktop-nav { display: none; align-items: center; gap: 1.55rem; font: 600 .69rem var(--mono); letter-spacing: .055em; }
.desktop-nav a, .contact-link { position: relative; }
.desktop-nav a::after, .contact-link::after { content: ''; position: absolute; right: 0; bottom: -.34rem; left: 0; height: 1px; background: var(--cobalt); transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.desktop-nav a:hover::after, .contact-link:hover::after { transform: scaleX(1); transform-origin: left; }
.language-switch { display: flex; align-items: center; gap: .24rem; color: var(--muted); font: 600 .66rem var(--mono); letter-spacing: .04em; }
.lang-button { padding: .3rem; color: inherit; border: 0; cursor: pointer; background: transparent; font: inherit; }
.lang-button.is-active { color: var(--cobalt); }
.header-contact { display: none; font: 600 .69rem var(--mono); letter-spacing: .04em; }
.menu-toggle { width: 2.5rem; height: 2.5rem; display: grid; place-content: center; gap: .3rem; padding: 0; border: 1px solid var(--ink); background: transparent; cursor: pointer; }
.menu-toggle span { width: .9rem; height: 1px; background: var(--ink); transition: transform .2s ease; }
.menu-toggle.is-open span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-toggle.is-open span:last-child { transform: translateY(-3px) rotate(-45deg); }
.mobile-nav { display: none; position: absolute; top: 100%; right: var(--edge); left: var(--edge); padding: .9rem 0; border: 1px solid var(--line); border-top: 0; background: var(--paper); box-shadow: 0 1rem 2rem rgba(16,24,39,.08); }
.mobile-nav.is-open { display: grid; }
.mobile-nav a { padding: .78rem 1rem; border-top: 1px solid var(--line); font: 600 .75rem var(--mono); letter-spacing: .04em; }
.mobile-nav a:first-child { border-top: 0; }

.hero { min-height: calc(100svh - var(--header-height)); display: grid; grid-template-columns: 1fr; grid-template-rows: 1fr auto; padding: clamp(2.5rem, 7vw, 7.5rem) var(--edge) clamp(1.35rem, 3vw, 2.5rem); position: relative; overflow: hidden; isolation: isolate; background: var(--blue-pale); }
.hero-media { position: absolute; z-index: -3; inset: 0; overflow: hidden; background: #e7e0f0; }
.hero-video { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 61% center; filter: saturate(1.06) contrast(1.02); }
.hero::before { content: ''; position: absolute; z-index: -2; inset: 0; background: linear-gradient(90deg, rgba(251,249,252,.97) 0%, rgba(251,249,252,.91) 34%, rgba(251,249,252,.56) 58%, rgba(251,249,252,.12) 100%), linear-gradient(0deg, rgba(251,249,252,.42), transparent 42%); }
.hero::after { content: ''; width: min(26vw, 22rem); height: 1px; position: absolute; right: 0; bottom: clamp(2.2rem, 5vw, 5rem); background: var(--cobalt); opacity: .55; }
.hero-rule { display: none; }
.hero-copy { max-width: 46rem; align-self: center; position: relative; z-index: 2; }
.eyebrow, .section-index, .service-number, .service-tag, .capability-label, .engagement-overline { margin: 0; font: 700 .64rem/1.35 var(--mono); letter-spacing: .07em; }
.eyebrow { color: var(--cobalt); }
.hero-proposition { margin: .72rem 0 -.1rem; color: #3b2a4d; font-size: clamp(.9rem, 1.55vw, 1.12rem); font-weight: 700; letter-spacing: -.035em; }
.hero h1 { margin: 1.32rem 0 1.55rem; max-width: 9.5ch; color: var(--ink); font-size: var(--display); font-weight: 700; line-height: .92; letter-spacing: -.085em; }
.hero h1 span, .hero h1 em { display: block; }
.hero h1 em { color: var(--cobalt); }
.hero-summary { max-width: 34rem; margin: 0; color: #392d46; font-size: clamp(1rem, 1.85vw, 1.28rem); line-height: 1.6; }
.hero-actions { margin-top: 2.05rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1.3rem; }
.button { min-height: 3.15rem; display: inline-flex; align-items: center; gap: 1.6rem; padding: .82rem 1.05rem .82rem 1.28rem; font: 700 .7rem var(--mono); letter-spacing: .04em; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--cobalt); box-shadow: 0 .65rem 1.5rem rgba(124,58,237,.22); }
.button b { font-size: 1.25rem; font-weight: 500; line-height: .6; }
.text-link { display: inline-flex; align-items: center; gap: .65rem; padding-bottom: .3rem; border-bottom: 1px solid var(--ink); font: 700 .69rem var(--mono); letter-spacing: .04em; }
.text-link b { color: var(--cobalt); font-size: 1rem; }
.hero-bottom { align-self: end; z-index: 2; display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding-top: 1rem; border-top: 1px solid rgba(37,27,49,.5); }
.hero-caption { max-width: 30rem; margin: 0; color: #4d3d5b; font: 600 .65rem/1.45 var(--mono); letter-spacing: .015em; }
.hero-scroll { display: inline-flex; align-items: center; gap: .55rem; color: var(--ink); font: 700 .62rem var(--mono); letter-spacing: .07em; }
.hero-scroll b { color: var(--cobalt); font-size: 1rem; font-weight: 500; }

.section-shell { min-height: calc(100svh - var(--header-height)); min-height: calc(100dvh - var(--header-height)); display: grid; align-content: center; padding: clamp(4.75rem, 10vw, 10rem) var(--edge); }
.section-index { color: var(--muted); }
.section-index span { color: var(--ink); }
.statement { display: grid; gap: 3rem; border-top: 1px solid var(--ink); }
.statement-content { max-width: 68rem; }
.statement-kicker { margin: 0 0 1rem; color: var(--cobalt); font-size: .8rem; font-weight: 700; }
h2 { margin: 0; font-size: var(--h2); font-weight: 700; line-height: 1.02; letter-spacing: -.073em; }
.statement h2 { max-width: 19ch; }
.statement-copy { max-width: 45rem; columns: 1; column-gap: 2.75rem; margin-top: 2.1rem; color: var(--muted); }
.statement-copy p { margin: 0 0 1.05rem; break-inside: avoid; }

.services { color: var(--white); background: var(--navy); }
.services .section-index { color: #c2b5d2; }
.services .section-index span { color: var(--white); }
.services .eyebrow { margin: 2rem 0 1rem; color: #d7cbff; }
.services h2 { max-width: 17ch; }
.service-list { display: grid; gap: 1px; margin-top: 3.75rem; border: 1px solid #4c3b60; background: #4c3b60; }
.service-card { min-height: 28rem; display: grid; grid-template-columns: 2.2rem 1fr; gap: 1rem; padding: 1.3rem; color: var(--ink); background: #fdfbff; }
.service-card-cobalt { color: var(--white); background: var(--cobalt); }
.service-number, .service-tag { color: inherit; opacity: .72; }
.service-main h3 { margin: 0; font-size: clamp(2rem, 4vw, 3.65rem); font-weight: 700; line-height: .96; letter-spacing: -.075em; }
.service-main p { max-width: 29rem; margin: 1.6rem 0; font-size: .95rem; line-height: 1.56; }
.service-main ul { margin: 0; padding: 0; list-style: none; font-size: .71rem; font-weight: 600; line-height: 1.5; }
.service-main li { padding: .46rem 0; border-bottom: 1px solid currentColor; }
.service-tag { align-self: end; text-align: right; writing-mode: vertical-rl; transform: rotate(180deg); }
.engagement-lens { margin-top: 1px; padding: clamp(1.4rem, 4vw, 3rem); border: 1px solid #4c3b60; background: var(--navy-soft); }
.engagement-lens-heading { display: grid; gap: 1.2rem; padding-bottom: 2.2rem; border-bottom: 1px solid #58466c; }
.engagement-lens-heading .eyebrow { color: #d7cbff; }
.engagement-lens-heading > p:last-child { max-width: 39rem; margin: 0; color: #e7e0ef; font-size: 1rem; line-height: 1.6; }
.engagement-grid { display: grid; gap: 1px; margin-top: 1px; background: #58466c; }
.engagement-card { padding: 1.5rem 0 0; color: var(--white); background: var(--navy-soft); }
.engagement-card-blue { padding-top: 1.5rem; background: var(--cobalt); }
.engagement-card + .engagement-card { padding-left: 0; }
.engagement-overline { color: #dacfff; }
.engagement-card-blue .engagement-overline { color: #eee8ff; }
.engagement-card h3 { max-width: 16ch; margin: .75rem 0; font-size: clamp(1.45rem, 3vw, 2.35rem); line-height: 1.1; letter-spacing: -.055em; }
.engagement-card > p:not(.engagement-overline) { max-width: 32rem; margin: 0; color: #e7e0ef; font-size: .9rem; line-height: 1.55; }
.engagement-card-blue > p:not(.engagement-overline) { color: var(--white); }
.engagement-card ol { display: grid; gap: .65rem; margin: 1.6rem 0 0; padding: 1.15rem 0 0; list-style-position: inside; border-top: 1px solid #58466c; color: #e7e0ef; font-size: .76rem; font-weight: 600; line-height: 1.45; }
.engagement-card-blue ol { border-top-color: rgba(255,255,255,.38); color: var(--white); }

.practice { overflow: hidden; }
.practice-head { max-width: 61rem; }
.practice .eyebrow { margin: 2rem 0 1rem; }
.practice h2 { font-size: clamp(2.32rem, 6.4vw, 5.76rem); letter-spacing: -.092em; }
.practice h2 em { color: var(--cobalt); }
.practice-head > p:last-child { max-width: 39rem; margin: 2rem 0 0; color: var(--muted); font-size: 1.05rem; }
.capability-rail { display: grid; grid-template-columns: repeat(4, minmax(13rem, 1fr)); width: max-content; min-width: 100%; margin-top: 3.25rem; border-top: 1px solid var(--ink); }
.capability { width: min(55vw, 19rem); min-height: 16rem; display: flex; flex-direction: column; justify-content: space-between; padding: 1rem; border-right: 1px solid var(--line); background: var(--white); }
.capability:first-child { border-left: 1px solid var(--line); }
.capability-ai { color: var(--white); border-color: var(--cobalt); background: var(--cobalt); }
.capability h3 { margin: auto 0 .55rem; font-size: clamp(2rem, 4vw, 3.85rem); font-weight: 700; line-height: 1; letter-spacing: -.075em; }
.capability p:last-child { max-width: 15rem; margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.48; }
.capability-ai p:last-child { color: var(--white); }

.network { display: grid; gap: 3rem; background: var(--paper-deep); }
.network-copy { max-width: 38rem; }
.network-copy h2 { max-width: 14ch; margin-top: 2rem; }
.network-copy > p:last-child { margin: 1.5rem 0 0; color: var(--muted); }
.network-map { align-self: center; }
.network-map svg { width: 100%; display: block; overflow: visible; }
.network-line { fill: none; stroke: #79698d; stroke-width: 1.2; }
.network-line.dash { stroke-dasharray: 4 5; }
.network-node { stroke: #79698d; stroke-width: 1.1; }
.node-startup, .node-public, .node-sme { fill: var(--white); }
.node-outcome, .network-core { fill: var(--cobalt); }
.network-core-ring { fill: none; stroke: var(--cobalt); stroke-width: 1.5; }
.network-labels { fill: var(--ink); font: 700 10px var(--mono); letter-spacing: .2px; }
.network-core + .network-labels text:nth-last-child(-n+2), .node-outcome ~ .network-labels text:nth-child(7), .node-outcome ~ .network-labels text:nth-child(8) { fill: var(--white); }

.method { display: grid; gap: 3rem; border-top: 1px solid var(--ink); }
.method-heading h2 { max-width: 16ch; margin-top: 2rem; }
.method-list { margin: 0; padding: 0; list-style: none; }
.method-list li { display: grid; grid-template-columns: 3.4rem 1fr; gap: 1rem; padding: 1.55rem 0; border-top: 1px solid var(--line); }
.method-list li:last-child { border-bottom: 1px solid var(--line); }
.method-list > li > span { padding-top: .15rem; color: var(--cobalt); font: 700 .66rem var(--mono); letter-spacing: .04em; }
.method-list h3 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.85rem); font-weight: 700; line-height: 1.06; letter-spacing: -.064em; }
.method-list p { max-width: 31rem; margin: .65rem 0 0; color: var(--muted); line-height: 1.55; }

.contact-section { min-height: calc(100svh - var(--header-height)); min-height: calc(100dvh - var(--header-height)); display: grid; place-items: center; position: relative; overflow: hidden; color: var(--white); background: var(--cobalt); }
.contact-arc { width: min(76rem, 150vw); aspect-ratio: 1; position: absolute; bottom: -72%; left: 50%; border: 1px solid rgba(255,255,255,.65); border-radius: 50%; transform: translateX(-50%); }
.contact-arc::before, .contact-arc::after { content: ''; position: absolute; border: 1px solid rgba(255,255,255,.36); border-radius: 50%; }
.contact-arc::before { inset: 8%; }
.contact-arc::after { inset: 17%; }
.contact-inner { width: min(64rem, 100%); position: relative; z-index: 1; padding: 4rem var(--edge); }
.contact-inner .eyebrow { color: #eee8ff; }
.contact-inner h2 { max-width: 14ch; margin-top: 1.2rem; }
.contact-email { display: inline-flex; gap: 1rem; margin-top: 2rem; padding-bottom: .5rem; border-bottom: 1px solid var(--white); font: 700 clamp(.77rem, 2vw, 1rem) var(--mono); letter-spacing: .015em; }
.contact-email b { font-size: 1.2em; font-weight: 500; }

.site-footer { padding: 2.25rem var(--edge) 1rem; color: var(--white); background: var(--navy); }
.footer-top { display: grid; gap: 2rem; padding-bottom: 3.5rem; }
.footer-top > p { max-width: 14ch; margin: 0; font-size: clamp(1.5rem, 3vw, 2.45rem); font-weight: 700; line-height: 1.05; letter-spacing: -.065em; }
.back-top { justify-self: start; padding-bottom: .2rem; border-bottom: 1px solid #bbaed0; color: #d0c6df; font: 700 .66rem var(--mono); letter-spacing: .04em; }
.footer-info { display: grid; gap: 1.75rem; padding: 1.6rem 0; border-top: 1px solid #493858; border-bottom: 1px solid #493858; }
.footer-info span { color: #c7bbd7; font: 700 .6rem var(--mono); letter-spacing: .055em; }
.footer-info p { margin: .45rem 0 0; font-size: .8rem; }
.footer-info a { border-bottom: 1px solid #bbaed0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-top: 1rem; color: #c7bbd7; font: 600 .57rem var(--mono); letter-spacing: .045em; }
.footer-bottom p { margin: 0; }

.reveal { transition: opacity .65s ease, transform .65s cubic-bezier(.22,.61,.36,1); }
.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (min-width: 700px) {
  :root { --header-height: 5.6rem; }
  .site-header { min-height: var(--header-height); }
  .hero { height: calc(100svh - var(--header-height)); height: calc(100dvh - var(--header-height)); min-height: 0; grid-template-columns: 1fr; padding-top: clamp(1.35rem, 5.5vh, 4.5rem); padding-bottom: clamp(.9rem, 3vh, 2rem); }
  .hero-copy { align-self: center; padding-bottom: clamp(1.2rem, 5vh, 4rem); }
  .hero-bottom { padding-top: clamp(.7rem, 1.5vh, 1.2rem); }
  .statement { grid-template-columns: minmax(10rem, .55fr) 2fr; }
  .statement-copy { columns: 2; }
  .service-list { grid-template-columns: 1fr 1fr; }
  .service-card { min-height: 33rem; padding: 1.8rem; }
  .engagement-lens-heading { grid-template-columns: .7fr 1.3fr; align-items: end; gap: 3rem; }
  .engagement-grid { grid-template-columns: 1fr 1fr; }
  .engagement-card { min-height: 28rem; padding: 1.8rem 2rem 0 0; }
  .engagement-card + .engagement-card { padding-left: 2rem; }
  .engagement-card ol { margin-top: 2rem; }
  .practice { display: grid; grid-template-columns: minmax(15rem, .78fr) 1.22fr; gap: clamp(2rem, 7vw, 7rem); align-items: end; }
  .practice-head { grid-column: 1 / -1; }
  .capability-rail { grid-column: 1 / -1; }
  .capability { width: auto; min-height: 19rem; }
  .network { grid-template-columns: .8fr 1.2fr; align-items: center; gap: clamp(2rem, 9vw, 10rem); }
  .method { grid-template-columns: .75fr 1.25fr; align-items: start; }
  .footer-top { grid-template-columns: 1fr 1fr auto; align-items: start; }
  .back-top { justify-self: end; }
  .footer-info { grid-template-columns: 1.25fr 1fr 1.1fr; }
}

@media (min-width: 1050px) {
  .desktop-nav, .header-contact { display: flex; }
  .menu-toggle, .mobile-nav { display: none !important; }
}

@media (min-width: 1100px) {
  .hero-copy { margin-left: clamp(1rem, 7vw, 7rem); }
  .hero h1 { max-width: 9ch; }
  .service-card { grid-template-columns: 3rem 1fr 2rem; }
  .service-main { display: grid; grid-template-columns: 1fr .95fr; column-gap: 2rem; align-content: start; }
  .service-main h3 { grid-row: span 2; }
  .service-main p { margin: .3rem 0 1.5rem; }
  .service-main ul { grid-column: 2; }
}

@media (min-width: 700px) and (max-height: 850px) {
  :root { --display: clamp(2.84rem, 5.36vw, 4.68rem); }
  .hero-copy { max-width: 43rem; padding-bottom: clamp(.5rem, 2.5vh, 1.5rem); }
  .hero-proposition { margin: .48rem 0 -.08rem; font-size: clamp(.82rem, 1.28vw, 1rem); }
  .hero h1 { margin: .88rem 0 1rem; }
  .hero-summary { max-width: 31rem; font-size: clamp(.94rem, 1.35vw, 1.06rem); line-height: 1.5; }
  .hero-actions { margin-top: 1.2rem; gap: 1rem; }
  .button { min-height: 2.85rem; padding: .68rem .9rem .68rem 1.05rem; font-size: .64rem; }
  .hero-caption, .hero-scroll { font-size: .56rem; }
  .section-shell { padding-top: clamp(3.75rem, 7vh, 5.5rem); padding-bottom: clamp(3.75rem, 7vh, 5.5rem); }
}

@media (min-width: 700px) and (max-height: 720px) {
  :root { --display: clamp(2.6rem, 4.72vw, 4.12rem); }
  .hero { padding-top: 1rem; padding-bottom: .75rem; }
  .hero-copy { padding-bottom: .45rem; }
  .hero-summary { font-size: .91rem; line-height: 1.45; }
  .hero-actions { margin-top: .9rem; }
  .hero-bottom { padding-top: .55rem; }
}

@media (max-width: 699px) {
  .hero { height: auto; min-height: calc(100svh - var(--header-height)); min-height: calc(100dvh - var(--header-height)); padding-top: clamp(2.8rem, 12vw, 4.8rem); }
  .hero-video { object-position: 67% center; }
  .hero::before { background: linear-gradient(180deg, rgba(251,249,252,.91) 0%, rgba(251,249,252,.82) 53%, rgba(251,249,252,.52) 100%), linear-gradient(90deg, rgba(251,249,252,.76), rgba(251,249,252,.12)); }
  .hero-copy { align-self: center; }
  .hero-bottom { align-items: flex-start; flex-direction: column; gap: .7rem; }
  .hero-caption { max-width: 20rem; }
  .capability-rail { overflow-x: auto; margin-right: calc(var(--edge) * -1); padding-right: var(--edge); scrollbar-width: thin; }
  .engagement-card-blue { padding-top: 1.8rem; }
}

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