@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Noto+Sans+KR:wght@400;500;600;700&display=swap");

:root {
  --paper: #e8e6df;
  --paper-soft: #f4f2ec;
  --paper-deep: #d8d6cf;
  --ink: #111111;
  --ink-soft: #111111;
  --muted: #6b6964;
  --line: rgba(17, 17, 17, 0.18);
  --night: #090909;
  --night-soft: #111111;
  --surface-dark: #252525;
  --surface-mid: #c5c3bd;
  --shell: 1280px;
  --gutter: clamp(20px, 5.55vw, 80px);
  --display: "DM Sans", "Noto Sans KR", sans-serif;
  --body: "Noto Sans KR", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--night); color: var(--ink); font-family: var(--body); font-synthesis: none; text-rendering: geometricPrecision; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
button { color: inherit; font: inherit; }
[hidden] { display: none !important; }
.ax-shell { width: min(var(--shell), calc(100% - (var(--gutter) * 2))); margin-inline: auto; }

.skip-link { position: fixed; z-index: 200; top: 10px; left: 10px; padding: 10px 14px; background: var(--paper-soft); color: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.ax-header { position: fixed; z-index: 100; top: 0; left: 0; display: flex; width: 100%; height: 76px; align-items: center; justify-content: space-between; padding: 0 var(--gutter); border-bottom: 1px solid transparent; color: white; transition: height 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease; }
.ax-header.is-scrolled { height: 64px; border-color: rgba(255,255,255,0.16); background: rgba(9,9,9,0.88); color: white; backdrop-filter: blur(18px); }
.ax-header.is-scrolled.is-on-light { border-color: var(--line); background: rgba(244,242,236,0.9); color: var(--ink); }
.brand { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; }
.brand__ko { font-weight: 700; letter-spacing: -0.045em; }
.brand__en { color: currentColor; font: 500 10px/1 var(--display); letter-spacing: 0.1em; opacity: 0.56; text-transform: uppercase; }
.ax-nav { display: flex; align-items: center; gap: clamp(18px, 2.3vw, 34px); font: 500 12px/1 var(--display); }
.ax-nav a { text-decoration: none; }
.ax-nav__contact { padding: 11px 16px; border: 1px solid currentColor; border-radius: 999px; }
.menu-toggle { display: none; border: 0; background: transparent; }

.ax-hero { position: relative; display: grid; min-height: 100svh; overflow: hidden; place-items: center; background: var(--night); color: white; isolation: isolate; }
.ax-hero__media { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 42%; }
.ax-hero::after { position: absolute; z-index: -1; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.18), rgba(0,0,0,0.04) 48%, rgba(0,0,0,0.28)); content: ""; pointer-events: none; }
.ax-hero__inner { display: grid; min-height: 100svh; align-items: center; padding-block: 120px 80px; }
.ax-hero__content { display: grid; justify-items: start; }
.section-label { margin: 0; font: 600 10px/1.1 var(--display); letter-spacing: 0.16em; text-transform: uppercase; }
.section-label--light { color: rgba(255,255,255,0.54); }
.ax-hero h1 { max-width: 17ch; margin: 0; color: white; font: 500 clamp(54px, 6.4vw, 102px)/1.04 var(--display); letter-spacing: -0.065em; text-shadow: 0 2px 24px rgba(0,0,0,0.46); }
.ax-hero__variable { position: relative; display: inline-block; min-width: 6.1em; color: white; white-space: nowrap; }
.ax-hero__variable::after { display: inline-block; width: 0.035em; height: 0.86em; margin-left: 0.09em; background: currentColor; content: ""; vertical-align: -0.06em; animation: typing-caret 820ms steps(1, end) infinite; }
@keyframes typing-caret { 0%, 48% { opacity: 1; } 49%, 100% { opacity: 0; } }
.ax-actions { display: flex; gap: 10px; margin-top: 32px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: space-between; gap: 34px; padding: 0 18px; border: 1px solid transparent; border-radius: 999px; font-size: 13px; text-decoration: none; }
.button--primary { background: var(--paper-soft); color: var(--ink); }
.button--ghost { border-color: rgba(255,255,255,0.5); color: white; }
.button--dark { background: var(--ink); color: white; }
.button--disabled { cursor: not-allowed; opacity: 0.76; }

.ax-section { padding: clamp(100px, 10vw, 150px) 0; }
.ax-section--capabilities { background: var(--night); color: white; }
.ax-section--capabilities .section-intro > p:last-child { color: rgba(255,255,255,0.58); }
.section-intro { margin-bottom: clamp(48px, 6vw, 76px); }
.section-intro--centered { display: grid; max-width: 850px; justify-items: center; margin-inline: auto; text-align: center; }
.section-intro h2 { margin: 24px 0 20px; font: 500 clamp(42px, 4.5vw, 68px)/0.98 var(--display); letter-spacing: -0.06em; }
.ax-section--capabilities .section-intro { container-type: inline-size; }
#capabilities-title { font-size: clamp(22px, 7.7cqw, 68px); word-break: keep-all; line-height: 1.15; }
.section-intro > p:last-child { max-width: 610px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }

.capability-grid, .trust-grid { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
.capability-card { display: flex; min-width: 0; min-height: 570px; flex-direction: column; padding: 12px; border: 1px solid rgba(255,255,255,0.16); border-radius: 18px; background: var(--night-soft); }
.capability-card__visual { position: relative; min-height: 264px; overflow: hidden; border-radius: 11px; background: var(--surface-dark); }
.capability-card__visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.capability-card--diagnostic .capability-card__visual img { object-position: 50% 50%; }
.capability-card--build .capability-card__visual img { object-position: 54% 50%; }
.capability-card--enable .capability-card__visual img { object-position: 50% 46%; }
.capability-card__copy { padding: 28px 10px 22px; }
.capability-card__copy > p { margin: 0 0 18px; color: rgba(255,255,255,0.48); font: 600 9px/1 var(--display); letter-spacing: 0.13em; }
.capability-card h3 { margin: 0 0 14px; font: 500 clamp(27px, 2.5vw, 38px)/1 var(--display); letter-spacing: -0.055em; }
.capability-card__copy > span { color: rgba(255,255,255,0.58); font-size: 13px; line-height: 1.75; }
.capability-card > a { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding: 17px 10px 7px; border-top: 1px solid rgba(255,255,255,0.16); font-size: 12px; text-decoration: none; }

.problem-bridge { border-top: 1px solid rgba(255,255,255,0.16); border-bottom: 1px solid rgba(255,255,255,0.16); background: var(--night); color: white; }
.problem-bridge__inner { display: flex; min-height: 118px; align-items: center; justify-content: space-between; gap: 44px; }
.problem-bridge p { margin: 0; color: rgba(255,255,255,0.58); font-size: 13px; line-height: 1.7; }
.problem-bridge a { flex: none; font-size: 12px; text-decoration: none; }

.ax-section--cases { background: var(--night); color: white; }
.ax-section--cases .section-intro h2 { word-break: keep-all; overflow-wrap: anywhere; line-height: 1.15; }
.ax-section--cases .section-intro > p:last-child { color: rgba(255,255,255,0.58); }
.case-stage { position: relative; }
.case-slide { display: grid; min-height: 660px; overflow: hidden; border: 1px solid rgba(255,255,255,0.16); border-radius: 22px; background: var(--night-soft); grid-template-columns: 1.12fr 0.88fr; }
.case-slide__visual { display: grid; min-width: 0; place-items: center; overflow: hidden; padding: clamp(24px, 4vw, 60px); }
.case-slide__visual--ledger { background: var(--surface-dark); }
.case-slide__visual--documents { background: var(--surface-dark); }
.case-slide__visual--learning { background: var(--surface-dark); }
.case-media-placeholder { display: grid; width: min(660px, 100%); min-height: 360px; place-items: center; border: 1px solid currentColor; color: rgba(255,255,255,0.62); font: 600 11px/1 var(--display); letter-spacing: 0.12em; }
.case-slide__visual--documents .case-media-placeholder { color: rgba(255,255,255,0.62); }
.case-ui { width: min(660px, 100%); padding: clamp(20px, 2.6vw, 38px); border: 1px solid rgba(255,255,255,0.36); background: var(--ink-soft); color: white; box-shadow: 0 38px 80px rgba(17,17,15,0.25); transform: rotate(-2deg); }
.case-ui header, .case-ui__filters, .case-ui__row { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.case-ui header { padding-bottom: 40px; color: #aaa; font: 500 9px/1 var(--display); letter-spacing: 0.12em; }
.case-ui header i { color: white; font-style: normal; }
.case-ui__filters { justify-content: flex-start; padding-bottom: 14px; }
.case-ui__filters span { padding: 7px 9px; border: 1px solid rgba(255,255,255,0.18); border-radius: 999px; color: #aaa; font-size: 9px; }
.case-ui__row { padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.14); font-size: 12px; }
.case-ui__row span { color: #aaa; }
.case-ui__row em { min-width: 58px; padding: 7px 9px; border-radius: 999px; background: var(--paper-deep); color: var(--ink); font: normal 600 8px/1 var(--display); text-align: center; }
.document-stack { position: relative; width: min(560px, 86%); aspect-ratio: 1.25; }
.document-stack span { position: absolute; display: grid; width: 72%; height: 82%; place-items: end start; padding: 22px; border: 1px solid var(--ink); background: var(--paper-soft); font: 600 9px/1 var(--display); letter-spacing: 0.12em; box-shadow: 0 20px 45px rgba(17,17,15,0.16); }
.document-stack span:nth-child(1) { top: 0; left: 0; transform: rotate(-8deg); }
.document-stack span:nth-child(2) { top: 5%; right: 0; transform: rotate(7deg); }
.document-stack span:nth-child(3) { right: 10%; bottom: 0; background: var(--ink); color: white; transform: rotate(-1deg); }
.learning-map { display: flex; width: 100%; align-items: center; justify-content: center; gap: 18px; }
.learning-map span { display: grid; width: 120px; aspect-ratio: 1; place-items: center; border: 1px solid var(--ink); border-radius: 50%; background: var(--paper-soft); font: 600 11px/1 var(--display); }
.learning-map i { width: 46px; height: 1px; background: var(--ink); }
.case-slide__copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(36px, 5vw, 76px); }
.case-status { margin: 0; color: rgba(255,255,255,0.48); font: 600 9px/1 var(--display); letter-spacing: 0.12em; }
.case-slide h3 { margin: 28px 0 22px; font: 500 clamp(36px, 3.7vw, 58px)/0.98 var(--display); letter-spacing: -0.06em; }
.case-slide__copy > p:not(.case-status) { margin: 0; color: rgba(255,255,255,0.58); font-size: 14px; line-height: 1.8; }
.case-slide dl { margin: 46px 0 0; }
.case-slide dl div { display: grid; padding: 14px 0; border-top: 1px solid rgba(255,255,255,0.16); grid-template-columns: 74px 1fr; }
.case-slide dt { color: rgba(255,255,255,0.48); font-size: 11px; }
.case-slide dd { margin: 0; font-size: 12px; }
.case-controls { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 24px; }
.case-controls button { display: grid; width: 46px; height: 46px; place-items: center; border: 1px solid rgba(255,255,255,0.5); border-radius: 50%; background: transparent; cursor: pointer; }
.case-controls p { margin: 0; font: 500 10px/1 var(--display); letter-spacing: 0.12em; }

.ax-section--cases .section-intro--centered { max-width: 1000px; margin-bottom: 24px; justify-items: center; text-align: center; }
.ax-section--cases .section-intro h2 { margin-bottom: 0; }
.experience-carousel { max-width: 940px; margin-inline: auto; text-align: center; }
.experience-viewport { overflow: hidden; touch-action: pan-y; }
.experience-track { display: flex; transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1); }
.experience-slide { display: flex; flex: 0 0 100%; min-width: 0; min-height: 96px; flex-direction: column; justify-content: flex-start; gap: 14px; margin: 0; padding: 0 8px; }
.experience-slide blockquote { margin: 0; font-size: clamp(18px, 2.1vw, 28px); line-height: 1.55; letter-spacing: -0.035em; overflow-wrap: anywhere; word-break: keep-all; }
.experience-slide figcaption { color: rgba(255,255,255,0.58); font-size: 13px; line-height: 1.6; }
.experience-controls { flex-wrap: wrap; gap: 10px; margin-top: 12px; color: rgba(255,255,255,0.58); }
.experience-controls button { width: 30px; height: 30px; border: 0; border-radius: 0; }
.experience-controls .experience-toggle { width: auto; padding-inline: 10px; font-size: 11px; }
.experience-controls button:disabled { opacity: 0.55; cursor: default; }
.experience-viewport:focus-visible, .experience-controls button:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
.experience-media { display: grid; width: min(1080px, 100%); aspect-ratio: 16 / 9; place-items: center; overflow: hidden; margin: clamp(32px, 4vw, 56px) auto 0; padding: 24px; border: 1px solid rgba(255,255,255,0.16); border-radius: 18px; background: var(--surface-dark); color: rgba(255,255,255,0.58); text-align: center; font-size: 13px; line-height: 1.6; }

.ax-section--use-cases { background: var(--night); color: white; }
.ax-section--use-cases .use-cases__intro > p:last-child { color: rgba(255,255,255,0.58); }
.use-cases__intro { container-type: inline-size; }
#use-cases-title { font-size: clamp(16px, 5.8cqw, 68px); white-space: nowrap; line-height: 1.15; }
.use-case-tabs { border: 1px solid rgba(255,255,255,0.16); }
.use-case-tabs__list { display: flex; overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: thin; border-bottom: 1px solid rgba(255,255,255,0.16); }
.use-case-tabs__list button { flex: 1 0 auto; min-height: 76px; padding: 0 24px; border: 0; border-right: 1px solid rgba(255,255,255,0.16); background: transparent; color: rgba(255,255,255,0.66); cursor: pointer; font: 500 13px/1.2 var(--display); text-align: left; white-space: nowrap; }
.use-case-tabs__list button:last-child { border-right: 0; }
.use-case-tabs__list button[aria-selected="true"] { background: var(--paper-soft); color: var(--ink); }
.use-case-tabs__list button:focus-visible { outline: 2px solid white; outline-offset: -4px; }
.use-case-panel { display: grid; min-height: 560px; grid-template-columns: 0.85fr 1.15fr; }
.use-case-panel__copy { display: flex; align-items: flex-start; flex-direction: column; justify-content: center; padding: clamp(36px, 5vw, 72px); }
.use-case-panel__copy > p { margin: 0 0 28px; color: rgba(255,255,255,0.48); font: 600 9px/1 var(--display); letter-spacing: 0.13em; }
.use-case-panel h3 { max-width: 12ch; margin: 0 0 22px; font: 500 clamp(36px, 3.7vw, 58px)/0.98 var(--display); letter-spacing: -0.06em; }
.use-case-panel__copy > span { max-width: 540px; color: rgba(255,255,255,0.58); font-size: 13px; line-height: 1.75; }
.use-case-panel__copy > a { display: inline-flex; align-items: center; gap: 30px; margin-top: 42px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,0.5); font-size: 12px; text-decoration: none; }
.use-case-panel__media { display: grid; min-width: 0; place-items: center; background: var(--surface-dark); color: rgba(255,255,255,0.56); font: 600 11px/1 var(--display); letter-spacing: 0.12em; }

.ax-section--trust { border-top: 1px solid var(--line); background: var(--paper-soft); }
.section-intro--split { display: grid; align-items: end; gap: 70px; grid-template-columns: 1fr 0.78fr; }
.section-intro--split h2 { max-width: 11ch; }
.section-intro--split > p { align-self: end; }
.trust-grid article { display: flex; min-height: 520px; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.trust-grid article > strong { color: var(--muted); font: 600 10px/1 var(--display); letter-spacing: 0.12em; }
.trust-mark { display: grid; min-height: 220px; place-items: center; margin: 34px 0; border: 1px solid var(--line); font: 600 clamp(32px, 3.5vw, 50px)/1 var(--display); letter-spacing: -0.05em; }
.trust-mark--actual { background: var(--paper-deep); }
.trust-mark--trace { display: flex; justify-content: center; gap: 16px; background: var(--paper-deep); }
.trust-mark--trace i { width: 54px; height: 54px; border: 1px solid var(--ink); border-radius: 50%; }
.trust-mark--trace i + i { position: relative; }
.trust-mark--trace i + i::before { position: absolute; top: 50%; right: 100%; width: 16px; height: 1px; background: var(--ink); content: ""; }
.trust-mark--scope { background: var(--surface-mid); }
.trust-grid h3 { margin: 0 0 12px; font: 500 27px/1 var(--display); letter-spacing: -0.05em; }
.trust-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.ax-contact { padding: clamp(100px, 11vw, 170px) 0; background: var(--night); color: white; }
.ax-contact__inner { display: grid; align-items: end; gap: clamp(60px, 8vw, 130px); grid-template-columns: 1.12fr 0.88fr; }
.ax-contact h2 { max-width: 10ch; margin: 28px 0 0; font: 500 clamp(56px, 6.5vw, 98px)/0.9 var(--display); letter-spacing: -0.075em; }
.ax-contact__copy { display: flex; align-items: flex-start; flex-direction: column; }
.ax-contact__copy > p { max-width: 520px; margin: 0 0 30px; font-size: 14px; line-height: 1.75; }
.ax-contact__copy small { max-width: 420px; margin-top: 18px; color: rgba(255,255,255,0.48); font-size: 10px; line-height: 1.6; }
.ax-contact .button--dark { background: var(--paper-soft); color: var(--ink); }

.ax-footer { padding: 72px 0 38px; background: var(--ink); color: white; }
.ax-footer__grid { display: grid; gap: 60px; grid-template-columns: 1.5fr 0.65fr 0.65fr; }
.brand--footer { margin-bottom: 24px; }
.ax-footer__grid > div > p { max-width: 320px; margin: 0; color: #92928d; font-size: 12px; line-height: 1.7; }
.ax-footer nav { display: flex; flex-direction: column; gap: 12px; font-size: 12px; }
.ax-footer nav span { margin-bottom: 10px; color: #777; font: 600 9px/1 var(--display); letter-spacing: 0.12em; }
.ax-footer nav a { color: #c5c5bf; text-decoration: none; }
.ax-footer__legal { grid-column: 1 / -1; margin: 76px 0 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.16); color: #777; font-size: 10px; }

@media (max-width: 1020px) {
  .capability-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid > :last-child, .trust-grid > :last-child { grid-column: 1 / -1; }
  .case-slide { grid-template-columns: 1fr; }
  .case-slide__visual { min-height: 520px; }
  .ax-contact__inner { grid-template-columns: 1fr; }
  .use-case-panel { grid-template-columns: 1fr; }
  .use-case-panel__media { min-height: 420px; }
}

@media (max-width: 760px) {
  :root { --gutter: 20px; }
  .ax-header { height: 62px; }
  .menu-toggle { position: relative; z-index: 120; display: grid; align-items: center; gap: 4px 9px; padding: 0; color: inherit; grid-template-columns: auto 18px; }
  .menu-toggle span { grid-row: span 2; font-size: 11px; }
  .menu-toggle i { display: block; width: 18px; height: 1px; background: currentColor; transition: transform 180ms ease; }
  .menu-toggle[aria-expanded="true"] i:first-of-type { transform: translateY(2.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] i:last-of-type { transform: translateY(-2.5px) rotate(-45deg); }
  .ax-nav { position: fixed; z-index: 110; inset: 0; display: flex; align-items: stretch; flex-direction: column; justify-content: flex-end; gap: 0; padding: 100px var(--gutter) 34px; background: var(--night); color: white; transform: translateY(-102%); transition: transform 280ms cubic-bezier(0.2,0.8,0.2,1); }
  .ax-nav.is-open { transform: translateY(0); }
  .ax-nav a { padding: 16px 0; border-top: 1px solid rgba(255,255,255,0.5); font: 500 34px/1 var(--display); letter-spacing: -0.05em; }
  .ax-nav__contact { margin-top: 24px; padding: 15px !important; border: 1px solid rgba(255,255,255,0.5) !important; font-size: 17px !important; text-align: center; }
  .ax-header.menu-active { color: white; }

  .ax-hero__inner { align-items: end; padding-block: 96px 72px; }
  .ax-hero h1 { max-width: 10.5ch; font-size: clamp(48px, 14vw, 70px); }
  .ax-hero__line, .ax-hero__variable { display: block; }
  .ax-hero__variable { width: max-content; min-width: 0; min-height: 1.04em; max-width: 100%; }
  .ax-hero__actions { width: 100%; align-items: stretch; flex-direction: column; }
  .button { width: 100%; }

  .ax-section { padding: 88px 0; }
  .section-intro--centered { justify-items: start; text-align: left; }
  .section-intro h2 { font-size: 11.5vw; }
  .capability-grid, .trust-grid { grid-template-columns: 1fr; }
  .capability-grid > :last-child, .trust-grid > :last-child { grid-column: auto; }
  .capability-card { min-height: 520px; }
  .capability-card__visual { min-height: 238px; }
  .problem-bridge__inner { align-items: flex-start; flex-direction: column; padding-block: 30px; }

  .case-slide { min-height: auto; }
  .case-slide__visual { min-height: 108vw; padding: 24px; }
  .case-slide__copy { padding: 34px 24px 38px; }
  .case-slide h3 { font-size: 10vw; }
  .learning-map { gap: 7px; }
  .learning-map span { width: 80px; }
  .learning-map i { width: 16px; }
  .case-ui__row { align-items: flex-start; flex-direction: column; }

  .use-case-tabs__list button { min-width: 158px; flex: 0 0 auto; }
  .use-case-panel { min-height: 0; }
  .use-case-panel__copy { min-height: 420px; padding: 36px 24px; }
  .use-case-panel__media { min-height: 82vw; }
  .section-intro--split { align-items: start; gap: 24px; grid-template-columns: 1fr; }
  .trust-grid article { min-height: 470px; }
  .trust-mark { min-height: 190px; }
  .ax-contact h2 { font-size: 14vw; }
  .ax-footer__grid { grid-template-columns: 1fr 1fr; }
  .ax-footer__grid > div { grid-column: 1 / -1; }
  .ax-footer__legal { margin-top: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .ax-hero__variable::after { display: none; }
}