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

:root {
  --ink: #111312;
  --paper: #f3f2ec;
  --blue: #2946f3;
  --acid: #d9ff43;
  --mist: #dfe3ed;
  --line: rgba(17, 19, 18, 0.2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Noto Sans KR", Arial, sans-serif; font-size: 16px; word-break: keep-all; overflow-wrap: break-word; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 100; padding: 12px 18px; background: var(--acid); color: var(--ink); }
.skip-link:focus { top: 12px; }

.site-header { position: absolute; top: 0; left: 0; z-index: 20; width: 100%; height: 88px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 4vw; color: white; border-bottom: 1px solid rgba(255,255,255,.22); transition: height .25s, background-color .25s, box-shadow .25s; }
.site-header.is-scrolled { position: fixed; height: 68px; background: rgba(17,19,18,.93); box-shadow: 0 8px 30px rgba(0,0,0,.12); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; width: fit-content; }
.brand img { display: block; width: 108px; height: auto; filter: brightness(0) invert(1); }
.site-header nav { display: flex; gap: 28px; font-size: 12px; }
.site-header nav a { opacity: .7; transition: opacity .2s; }
.site-header nav a:hover, .site-header nav a:focus-visible { opacity: 1; }
.header-cta { justify-self: end; font-size: 12px; border-bottom: 1px solid white; padding-bottom: 5px; }
.menu-toggle { display: none; background: none; border: 0; color: inherit; padding: 10px; cursor: pointer; }
.menu-toggle > span:not(.sr-only) { display: block; width: 22px; height: 1px; margin: 5px 0; background: currentColor; transition: transform .2s; }

.hero { position: relative; min-height: 760px; height: 100svh; overflow: hidden; background: var(--blue); color: white; padding: 116px 4vw 42px; display: flex; flex-direction: column; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px); background-size: 12.5vw 12.5vw; mask-image: linear-gradient(to bottom, black, transparent 78%); }
.eyebrow { position: relative; display: flex; justify-content: space-between; gap: 24px; padding: 16px 0; border-top: 1px solid var(--line); font: 600 11px/1.35 "IBM Plex Mono", monospace; letter-spacing: .11em; text-transform: uppercase; }
.eyebrow.light { border-color: rgba(255,255,255,.32); }
.hero-copy { position: relative; z-index: 2; margin-top: auto; }
.hero-kicker { margin: 0 0 22px; color: rgba(255,255,255,.72); font: 11px/1.5 "IBM Plex Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { margin: 0; max-width: 1120px; font-size: clamp(62px, 8vw, 132px); line-height: 1.04; font-weight: 600; letter-spacing: -.065em; }
.hero h1 em { color: var(--acid); font-style: normal; }
.hero-bottom { display: flex; align-items: end; justify-content: space-between; margin-top: 32px; }
.hero-bottom p { margin: 0; color: rgba(255,255,255,.72); font-size: 15px; line-height: 1.7; }
.circle-link { width: 94px; height: 94px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px; font-size: 10px; transition: .25s ease; }
.circle-link:hover, .circle-link:focus-visible { background: var(--acid); color: var(--ink); border-color: var(--acid); transform: rotate(-6deg); }
.circle-link b { font-size: 16px; }
.hero-grid { position: absolute; top: 108px; right: 3.8vw; width: 41vw; height: 41vw; max-width: 570px; max-height: 570px; opacity: .88; }
.module { position: absolute; display: block; border: 1px solid rgba(255,255,255,.48); background: rgba(255,255,255,.05); backdrop-filter: blur(2px); animation: drift 8s ease-in-out infinite; }
.module-a { width: 42%; height: 42%; top: 0; right: 0; }
.module-b { width: 42%; height: 18%; top: 42%; right: 0; background: var(--acid); border-color: var(--acid); animation-delay: -.8s; }
.module-c { width: 22%; height: 60%; top: 16%; right: 42%; background: rgba(17,19,18,.74); animation-delay: -2s; }
.module-d { width: 28%; height: 24%; top: 60%; right: 0; animation-delay: -3s; }
.module-e { width: 20%; height: 20%; top: 76%; right: 28%; background: white; animation-delay: -1.4s; }
@keyframes drift { 0%,100% { transform: translateY(0); } 50% { transform: translateY(9px); } }

.section-pad { padding: 100px 4vw; }
.section-label { margin: 0 0 26px; color: var(--blue); font: 11px/1.5 "IBM Plex Mono", monospace; letter-spacing: .1em; text-transform: uppercase; }
.glance-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 10vw; margin-top: 92px; }
.glance h2 { margin: 0; font-size: clamp(46px, 5.3vw, 78px); line-height: 1.12; letter-spacing: -.06em; font-weight: 600; }
.glance h2 span { color: var(--blue); }
.glance-copy { padding-top: 46px; }
.glance-copy > p { color: #5c5f5b; font-size: 15px; line-height: 1.8; }
.glance-copy .large-copy { margin: 0 0 28px; color: var(--ink); font-size: 19px; line-height: 1.7; }
.glance-facts { margin: 54px 0 0; border-top: 1px solid var(--line); }
.glance-facts div { display: grid; grid-template-columns: 110px 1fr; padding: 15px 0; border-bottom: 1px solid var(--line); }
.glance-facts dt { color: #6b6e69; font: 10px/1.5 "IBM Plex Mono", monospace; text-transform: uppercase; }
.glance-facts dd { margin: 0; font-size: 14px; }

.system { background: var(--ink); color: white; }
.system-heading { display: grid; grid-template-columns: 1.3fr .7fr; gap: 10vw; align-items: end; margin: 82px 0 72px; }
.system-heading h2, .portfolio-heading h2, .partners-heading h2 { margin: 0; font-size: clamp(56px, 6.8vw, 106px); line-height: 1.03; letter-spacing: -.06em; font-weight: 600; }
.system-heading p, .partners-heading p { margin: 0 0 7px; color: #a2a49f; font-size: 14px; line-height: 1.8; }
.capability-list { border-top: 1px solid rgba(255,255,255,.24); }
.capability-list article { display: grid; grid-template-columns: 70px 1.15fr 1fr 24px; align-items: center; gap: 22px; min-height: 124px; border-bottom: 1px solid rgba(255,255,255,.24); }
.cap-number { font: 10px "IBM Plex Mono", monospace; opacity: .5; }
.cap-title h3 { margin: 0; font-size: 31px; letter-spacing: -.045em; font-weight: 600; }
.cap-title span { display: block; margin-top: 5px; color: #8e918c; font: 9px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.capability-list article p { color: #aaa; font-size: 13px; line-height: 1.6; }
.cap-marker { justify-self: end; width: 6px; height: 6px; border-radius: 50%; background: var(--acid); }
.tracks-intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: 10vw; align-items: end; margin: 105px 0 34px; }
.tracks-intro h3 { margin: 0; font-size: clamp(38px, 4.5vw, 66px); letter-spacing: -.055em; font-weight: 600; }
.tracks-intro p { margin: 0 0 8px; color: #989b96; font-size: 13px; line-height: 1.75; }
.tracks { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
.track-card { background: #deddd6; color: var(--ink); }
.track-card:nth-child(2) { background: var(--blue); color: white; }
.track-toggle { min-height: 320px; width: 100%; padding: 28px; border: 0; background: transparent; color: inherit; text-align: left; cursor: pointer; display: flex; flex-direction: column; }
.track-toggle:focus-visible { outline: 3px solid var(--acid); outline-offset: -5px; }
.track-top { display: flex; justify-content: space-between; font: 9px "IBM Plex Mono", monospace; letter-spacing: .1em; text-transform: uppercase; }
.track-summary { margin: auto 0 16px; display: flex; align-items: end; justify-content: space-between; gap: 16px; width: 100%; }
.track-summary strong { font-size: clamp(40px, 4.5vw, 64px); line-height: 1.05; font-weight: 600; letter-spacing: -.055em; }
.track-action { flex: 0 0 auto; font: 10px/1.4 "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .06em; }
.track-action b { display: inline-block; margin-left: 6px; font-size: 16px; transition: transform .2s; }
.track-toggle[aria-expanded="true"] .track-action b { transform: rotate(45deg); }
.track-lead { display: block; width: 78%; color: #565a55; font-size: 14px; line-height: 1.7; }
.track-card:nth-child(2) .track-lead { color: rgba(255,255,255,.78); }
.track-line { display: block; width: 100%; margin-top: 26px; height: 4px; background: rgba(17,19,18,.18); }
.track-line i { display: block; width: 42%; height: 100%; background: var(--ink); }
.track-card:nth-child(2) .track-line { background: rgba(255,255,255,.24); }
.track-card:nth-child(2) .track-line i { width: 78%; background: var(--acid); }
.track-detail { padding: 0 28px 28px; border-top: 1px solid rgba(17,19,18,.18); }
.track-card:nth-child(2) .track-detail { border-color: rgba(255,255,255,.24); }
.track-detail p { margin: 24px 0 14px; width: 88%; color: #4e524d; font-size: 14px; line-height: 1.75; }
.track-card:nth-child(2) .track-detail p { color: rgba(255,255,255,.78); }
.track-detail ul { margin: 0; padding: 0; list-style: none; }
.track-detail li { padding: 10px 0; border-top: 1px solid rgba(17,19,18,.16); font-size: 13px; }
.track-card:nth-child(2) .track-detail li { border-color: rgba(255,255,255,.2); }

.portfolio { background: var(--mist); }
.portfolio-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 10vw; align-items: end; margin: 82px 0 64px; }
.portfolio-heading p { margin: 0; color: #5d626d; font-size: 14px; line-height: 1.8; }
.portfolio-heading div > span { display: block; margin-top: 20px; font: 9px "IBM Plex Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.portfolio-grid article { min-height: 430px; background: rgba(255,255,255,.48); display: flex; flex-direction: column; border-top: 4px solid var(--blue); transition: transform .22s ease, box-shadow .22s ease; }
.portfolio-grid article:hover, .portfolio-grid article:focus-within { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(17,19,18,.12); }
.portfolio-link { flex: 1; padding: 24px; display: flex; flex-direction: column; }
.portfolio-link:focus-visible { outline: 3px solid var(--acid); outline-offset: -6px; }
.portfolio-grid article.is-platform-operator { background: var(--blue); color: white; border-color: var(--acid); }
.portfolio-card-top { display: flex; justify-content: space-between; gap: 12px; font: 10px/1.4 "IBM Plex Mono", monospace; letter-spacing: .08em; text-transform: uppercase; opacity: .72; }
.portfolio-card-copy { margin-top: auto; }
.portfolio-card-copy > p:first-child { margin: 0 0 18px; font: 10px/1.5 "IBM Plex Mono", monospace; letter-spacing: .07em; text-transform: uppercase; opacity: .7; }
.portfolio-card-copy h3 { margin: 0; font-size: clamp(30px, 3.3vw, 48px); line-height: 1.05; letter-spacing: -.055em; font-weight: 600; }
.portfolio-card-copy strong { display: block; margin-top: 9px; font-size: 13px; font-weight: 500; opacity: .62; }
.portfolio-description { min-height: 62px; margin: 24px 0 0; color: #535861; font-size: 14px; line-height: 1.7; }
.portfolio-grid article.is-platform-operator .portfolio-description { color: rgba(255,255,255,.72); }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(17,19,18,.2); }
.portfolio-grid article.is-platform-operator .tag-list { border-color: rgba(255,255,255,.25); }
.tag-list span { padding: 7px 9px; border: 1px solid currentColor; border-radius: 100px; font: 9px/1.35 "IBM Plex Mono", monospace; letter-spacing: .04em; text-transform: uppercase; }
.portfolio-note { max-width: 800px; margin: 26px 0 0 auto; color: #626771; font-size: 11px; line-height: 1.7; text-align: right; }
.portfolio-fallback { padding: 24px; border: 1px solid var(--line); }

.platform { min-height: 720px; display: grid; grid-template-columns: .9fr 1.1fr; background: var(--blue); color: white; }
.platform-copy { padding: 76px 4vw; display: flex; flex-direction: column; }
.platform-copy > div:last-child { margin-top: auto; }
.platform-label { color: var(--acid); font: 10px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }
.platform h2 { margin: 15px 0 28px; font-size: clamp(54px, 6.5vw, 94px); line-height: .91; letter-spacing: -.07em; font-weight: 600; }
.platform-description { max-width: 500px; color: rgba(255,255,255,.72); font-size: 14px; line-height: 1.8; }
.operator-note { display: grid; grid-template-columns: auto 1fr; width: fit-content; gap: 5px 14px; margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.32); }
.operator-note span { grid-row: span 2; color: rgba(255,255,255,.55); font: 8px "IBM Plex Mono", monospace; text-transform: uppercase; }
.operator-note strong { color: var(--acid); font-size: 18px; line-height: 1; }
.operator-note p { margin: 0; color: rgba(255,255,255,.58); font-size: 10px; }
.platform-visual { position: relative; overflow: hidden; background: #1c1e1d; display: flex; flex-direction: column; justify-content: center; padding: 8vw; }
.platform-visual::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px); background-size: 52px 52px; }
.poc-title, .poc-system, .poc-result { position: relative; z-index: 1; }
.poc-title { display: flex; justify-content: space-between; align-items: end; margin-bottom: 28px; }
.poc-title span { font: 9px "IBM Plex Mono", monospace; color: rgba(255,255,255,.5); }
.poc-title strong { color: var(--acid); font-size: 13px; letter-spacing: .08em; }
.poc-system { display: grid; grid-template-columns: repeat(3, 1fr); }
.poc-system span { min-height: 155px; display: flex; align-items: end; padding: 18px; border: 1px solid rgba(255,255,255,.48); font: 10px "IBM Plex Mono", monospace; letter-spacing: .12em; }
.poc-system span:nth-child(2) { background: var(--blue); transform: translateY(-16px); }
.poc-system span:nth-child(3) { background: var(--acid); color: var(--ink); }
.poc-result { display: grid; grid-template-columns: 1fr auto 1.3fr; align-items: center; gap: 20px; margin-top: 36px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.32); }
.poc-result span { font: 9px "IBM Plex Mono", monospace; color: rgba(255,255,255,.55); letter-spacing: .08em; }
.poc-result i { color: var(--acid); font-style: normal; }
.poc-result strong { font-size: 16px; letter-spacing: -.02em; }
.coordinate { position: absolute; z-index: 2; font: 8px "IBM Plex Mono", monospace; color: rgba(255,255,255,.38); }
.c1 { top: 5%; left: 5%; }
.c2 { bottom: 5%; right: 5%; }

.partners-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 10vw; align-items: end; margin: 82px 0 58px; }
.partners-heading p { color: #5f625e; font-size: 15px; }
.partner-cards { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.partner-cards article { min-height: 300px; padding: 24px; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.partner-cards article:last-child { border-right: 0; }
.partner-cards article > span { color: var(--blue); font: 10px/1.4 "IBM Plex Mono", monospace; }
.partner-cards h3 { margin: auto 0 14px; font-size: 24px; letter-spacing: -.04em; }
.partner-cards p { min-height: 48px; margin: 0; color: #5f625e; font-size: 14px; line-height: 1.7; }
.partner-cards a { display: flex; justify-content: space-between; margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 12px; }
.partner-cards a:hover, .partner-cards a:focus-visible { color: var(--blue); }

.about { background: var(--ink); color: white; }
.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 10vw; align-items: end; margin-top: 92px; }
.about-grid h2 { margin: 0; font-size: clamp(52px, 6.6vw, 100px); line-height: .96; letter-spacing: -.065em; font-weight: 600; }
.about-grid > div > p { margin: 0; color: #a7aaa5; font-size: 14px; line-height: 1.85; }
.company-profile { margin: 38px 0 0; border-top: 1px solid rgba(255,255,255,.25); }
.company-profile div { display: grid; grid-template-columns: 90px 1fr; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.25); }
.company-profile dt { color: #777b76; font: 8px "IBM Plex Mono", monospace; text-transform: uppercase; }
.company-profile dd { margin: 0; color: #c4c6c2; font-size: 11px; }

footer { background: var(--acid); color: var(--ink); padding: 82px 4vw 28px; }
.footer-top { display: grid; grid-template-columns: .65fr 1.65fr .7fr; align-items: end; gap: 4vw; min-height: 360px; }
.footer-top > span { align-self: start; font-size: 14px; line-height: 1.5; }
.footer-top h2 { margin: 0; font-size: clamp(66px, 8.5vw, 132px); line-height: .94; letter-spacing: -.065em; font-weight: 700; }
.footer-contact { justify-self: end; width: 100%; max-width: 230px; padding: 16px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); display: flex; align-items: center; justify-content: space-between; font-size: 11px; transition: padding .2s; }
.footer-contact:hover, .footer-contact:focus-visible { padding-left: 10px; padding-right: 10px; }
.footer-contact b { font-size: 18px; }
.footer-bottom { display: grid; grid-template-columns: 1fr auto auto; align-items: end; gap: 42px; margin-top: 82px; padding-top: 20px; border-top: 1px solid rgba(17,19,18,.35); }
.footer-bottom p { margin: 0; font-size: 9px; }
.footer-logo { display: block; width: 106px; height: auto; filter: none !important; }

@media (max-width: 900px) {
  .site-header { height: 74px; grid-template-columns: 1fr auto auto; gap: 10px; }
  .site-header.is-scrolled { height: 64px; }
  .menu-toggle { display: block; grid-column: 2; }
  .site-header nav { display: none; position: absolute; top: 74px; left: 0; width: 100%; padding: 22px 5vw 28px; background: rgba(17,19,18,.98); flex-direction: column; gap: 19px; border-top: 1px solid rgba(255,255,255,.16); }
  .site-header.is-scrolled nav { top: 64px; }
  .site-header.menu-open nav { display: flex; }
  .site-header.menu-open .menu-toggle > span:nth-last-child(2) { transform: translateY(3px) rotate(45deg); }
  .site-header.menu-open .menu-toggle > span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .hero { min-height: 720px; padding-top: 98px; }
  .hero-grid { top: 122px; right: -12vw; width: 68vw; height: 68vw; opacity: .7; }
  .section-pad { padding: 82px 5vw; }
  .glance-layout, .system-heading, .tracks-intro, .portfolio-heading, .partners-heading, .about-grid { grid-template-columns: 1fr; }
  .glance-layout, .about-grid { margin-top: 68px; }
  .glance-copy { padding-top: 0; max-width: 600px; }
  .system-heading, .portfolio-heading, .partners-heading { margin-top: 65px; }
  .system-heading p, .portfolio-heading p, .partners-heading p { max-width: 540px; }
  .tracks-intro { gap: 18px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-grid article { min-height: 330px; }
  .portfolio-description { min-height: auto; }
  .platform { grid-template-columns: 1fr; }
  .platform-copy, .platform-visual { min-height: 590px; }
  .partner-cards { grid-template-columns: 1fr; }
  .partner-cards article { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line); }
  .partner-cards article:last-child { border-bottom: 0; }
  .footer-top { grid-template-columns: 1fr; min-height: auto; }
  .footer-top > span { margin-bottom: 65px; }
  .footer-contact { justify-self: start; margin-top: 40px; }
  .footer-bottom { grid-template-columns: 1fr; gap: 10px; }
}

@media (max-width: 600px) {
  .brand img { width: 92px; }
  .header-cta { border: 0; }
  .header-cta span { display: none; }
  .hero { min-height: 680px; padding-left: 5vw; padding-right: 5vw; }
  .eyebrow span:last-child { display: none; }
  .hero h1 { font-size: clamp(46px, 13.4vw, 68px); line-height: 1.08; letter-spacing: -.055em; text-wrap: balance; }
  .hero h1 br, .glance h2 br, .system-heading h2 br, .portfolio-heading h2 br, .platform h2 br, .partners-heading h2 br, .about-grid h2 br, .footer-top h2 br { display: none; }
  .hero-bottom { gap: 16px; }
  .hero-bottom p { max-width: 68%; font-size: 14px; line-height: 1.75; }
  .hero-bottom p br { display: none; }
  .circle-link { width: 72px; height: 72px; flex: 0 0 auto; }
  .glance h2 { font-size: clamp(40px, 10.5vw, 58px); line-height: 1.18; text-wrap: balance; }
  .glance-copy .large-copy { font-size: 17px; }
  .capability-list article { grid-template-columns: 42px 1fr 20px; gap: 10px; padding: 20px 0; }
  .capability-list article p { grid-column: 2; margin: 0; }
  .cap-marker { grid-row: 1 / span 2; grid-column: 3; }
  .cap-title h3 { font-size: 27px; }
  .tracks { grid-template-columns: 1fr; }
  .track-toggle { min-height: 290px; padding: 24px; }
  .track-lead { width: 94%; }
  .track-detail { padding: 0 24px 24px; }
  .portfolio-heading h2, .system-heading h2, .partners-heading h2 { font-size: clamp(46px, 13vw, 66px); line-height: 1.08; text-wrap: balance; }
  .portfolio-note { text-align: left; }
  .platform-copy { min-height: 620px; padding-left: 5vw; padding-right: 5vw; }
  .platform h2 { font-size: 15vw; }
  .platform-visual { min-height: 500px; padding: 13vw 7vw; }
  .poc-system span { min-height: 120px; padding: 12px; font-size: 8px; }
  .poc-result { grid-template-columns: 1fr auto; }
  .poc-result strong { grid-column: 1 / span 2; }
  .about-grid h2 { font-size: 13vw; }
  .footer-top h2 { font-size: 19vw; line-height: .96; letter-spacing: -.06em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .module { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* Motion system: structure assembles once, then stays quiet. */
:root {
  --scroll-progress: 0;
  --motion-fast: 280ms;
  --motion-base: 620ms;
  --motion-slow: 1100ms;
  --motion-ease: cubic-bezier(.22, 1, .36, 1);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: calc(var(--scroll-progress) * 100%);
  height: 2px;
  background: var(--acid);
  pointer-events: none;
}

.site-header nav a { position: relative; transition: opacity var(--motion-fast); }
.site-header nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--motion-fast) var(--motion-ease);
}
.site-header nav a:hover::after,
.site-header nav a:focus-visible::after,
.site-header nav a.is-active::after { transform: scaleX(1); }
.site-header nav a.is-active { opacity: 1; }

.module {
  transform-origin: bottom right;
  animation: module-build var(--motion-slow) var(--motion-ease) both;
}
.module-a { animation-delay: 0ms; }
.module-b { animation-delay: 360ms; }
.module-c { animation-delay: 180ms; }
.module-d { animation-delay: 520ms; }
.module-e { animation-delay: 680ms; }

@keyframes module-build {
  from { opacity: 0; transform: translate3d(28px, 34px, 0) scale(.9); }
  to { opacity: 1; transform: none; }
}

.hero .eyebrow,
.hero-kicker,
.hero h1,
.hero-bottom { animation: hero-rise var(--motion-base) var(--motion-ease) both; }
.hero .eyebrow { animation-delay: 80ms; }
.hero-kicker { animation-delay: 220ms; }
.hero h1 { animation-delay: 320ms; }
.hero-bottom { animation-delay: 480ms; }

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

.circle-link b { animation: explore-nudge 2.4s ease-in-out 1.6s 2; }
@keyframes explore-nudge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

.track-card {
  overflow: hidden;
  transition: transform var(--motion-fast) var(--motion-ease), box-shadow var(--motion-fast), background-color var(--motion-fast);
}
.track-card:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(0,0,0,.15); }
.track-line i { transition: width 420ms var(--motion-ease); }
.track-card.is-open .track-line i { width: 100%; }
.track-detail {
  max-height: 0;
  padding: 0 28px;
  overflow: hidden;
  opacity: 0;
  border-top-color: transparent;
  transform: translateY(-8px);
  transition: max-height 440ms var(--motion-ease), opacity 260ms ease, transform 440ms var(--motion-ease), padding 440ms var(--motion-ease), border-color 260ms;
}
.track-card.is-open .track-detail {
  max-height: 340px;
  padding: 0 28px 28px;
  opacity: 1;
  transform: none;
  border-top-color: rgba(17,19,18,.18);
}
.track-card:nth-child(2):not(.is-open) .track-detail { border-color: transparent; }
.track-card:nth-child(2).is-open .track-detail { border-color: rgba(255,255,255,.24); }

.portfolio-grid article {
  position: relative;
  border-top-color: transparent;
  transition: transform var(--motion-fast) var(--motion-ease), box-shadow var(--motion-fast) ease;
}
.portfolio-grid article::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--blue);
  transform: scaleX(.28);
  transform-origin: left;
  transition: transform 420ms var(--motion-ease);
}
.portfolio-grid article.is-platform-operator::before { background: var(--acid); }
.portfolio-grid article:hover::before,
.portfolio-grid article:focus-within::before { transform: scaleX(1); }
.portfolio-card-top span:last-child { transition: transform var(--motion-fast) var(--motion-ease); }
.portfolio-grid article:hover .portfolio-card-top span:last-child,
.portfolio-grid article:focus-within .portfolio-card-top span:last-child { transform: translate(4px, -2px); }

.motion-ready .reveal-item { opacity: 0; transform: translateY(24px); }
.motion-ready .reveal-item.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity var(--motion-base) var(--motion-ease), transform var(--motion-base) var(--motion-ease);
  transition-delay: calc(var(--reveal-order, 0) * 70ms);
}
.motion-ready .capability-list article.reveal-item { transform: translateX(-18px); }
.motion-ready .capability-list article.reveal-item.is-visible { transform: none; }

.poc-motion .poc-title,
.poc-motion .poc-system span,
.poc-motion .poc-result { opacity: 0; transform: translateY(18px); }
.poc-motion.is-visible .poc-title,
.poc-motion.is-visible .poc-system span,
.poc-motion.is-visible .poc-result {
  opacity: 1;
  transform: none;
  transition: opacity var(--motion-base) var(--motion-ease), transform var(--motion-base) var(--motion-ease);
}
.poc-motion.is-visible .poc-title { transition-delay: 80ms; }
.poc-motion.is-visible .poc-system span:nth-child(1) { transition-delay: 180ms; }
.poc-motion.is-visible .poc-system span:nth-child(2) { transition-delay: 300ms; transform: translateY(-16px); }
.poc-motion.is-visible .poc-system span:nth-child(3) { transition-delay: 420ms; }
.poc-motion.is-visible .poc-result { transition-delay: 600ms; }

@media (max-width: 600px) {
  .motion-ready .reveal-item { transform: translateY(16px); }
  .track-card:hover { transform: none; box-shadow: none; }
  .track-detail { padding-left: 24px; padding-right: 24px; }
  .track-card.is-open .track-detail { padding: 0 24px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .module,
  .hero .eyebrow,
  .hero-kicker,
  .hero h1,
  .hero-bottom,
  .circle-link b { animation: none !important; }
  .motion-ready .reveal-item,
  .poc-motion .poc-title,
  .poc-motion .poc-system span,
  .poc-motion .poc-result { opacity: 1 !important; transform: none !important; }
  .poc-motion .poc-system span:nth-child(2) { transform: translateY(-16px) !important; }
  * { transition-duration: .01ms !important; transition-delay: 0ms !important; }
}