/* IOTED — Give Voice to Everything (brand page v2) */
:root{
  --bg:#FFFFFF; --surface:#FFFFFF; --ink:#0D1222; --ink-2:#4A5266; --ink-3:#8A93A6;
  --line:#E3E7EE; --blue:#2F6BFF; --blue-soft:#E8EFFF;
  --r-lg:28px; --r-md:18px;
  --gut:clamp(16px,4vw,56px); --max:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shadow:0 30px 70px -20px rgba(20,30,60,.18),0 2px 6px rgba(20,30,60,.05);
  --font:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;letter-spacing:-.005em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
html[lang=ko] body{word-break:keep-all;letter-spacing:-.01em}
img,video,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
.mono{font-family:var(--mono);letter-spacing:0}
.blue{color:var(--blue)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:8px}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(60% 50% at 85% 0%,rgba(47,107,255,.08),transparent 70%),radial-gradient(50% 40% at 0% 100%,rgba(47,107,255,.05),transparent 70%)}

/* ---------- NAV ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,box-shadow .3s}
.nav.is-solid{background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);box-shadow:0 1px 0 var(--line)}
.nav__in{max-width:var(--max);margin:0 auto;padding:0 var(--gut);height:72px;display:flex;align-items:center;gap:28px}
.nav__logo svg{width:92px;height:auto;fill:var(--ink)}
.nav__links{display:flex;gap:30px;margin-left:auto;font-size:15px;font-weight:500;color:var(--ink-2)}
.nav__links a{position:relative;padding:6px 0;transition:color .2s}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav__links a:hover{color:var(--ink)}.nav__links a:hover::after{transform:scaleX(1)}
.nav__tools{display:flex;align-items:center;gap:10px}
.sound{display:flex;align-items:center;gap:9px;height:38px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:13px;font-weight:600;color:var(--ink-2);transition:border-color .2s,color .2s}
.sound:hover{border-color:#cfd6e2;color:var(--ink)}
.sound__bars{display:flex;align-items:center;gap:2px;height:14px}
.sound__bars i{width:2px;height:4px;border-radius:1px;background:currentColor;transition:height .2s}
.sound[aria-pressed=true]{color:var(--blue);border-color:rgba(47,107,255,.35);background:var(--blue-soft)}
.sound[aria-pressed=true] .sound__bars i{animation:bar 1s ease-in-out infinite}
.sound[aria-pressed=true] .sound__bars i:nth-child(2){animation-delay:-.4s}
.sound[aria-pressed=true] .sound__bars i:nth-child(3){animation-delay:-.7s}
.sound[aria-pressed=true] .sound__bars i:nth-child(4){animation-delay:-.2s}
@keyframes bar{0%,100%{height:4px}50%{height:14px}}
.lang{display:flex;height:38px;padding:3px;border-radius:999px;border:1px solid var(--line);background:var(--surface)}
.lang button{min-width:38px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);transition:background .2s,color .2s}
.lang button[aria-pressed=true]{background:var(--ink);color:#fff}
.burger{display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--surface);position:relative}
.burger span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease),top .3s}
.burger span:first-child{top:15px}.burger span:last-child{top:21px}
.burger[aria-expanded=true] span:first-child{top:18px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:18px;transform:rotate(-45deg)}
.drawer{display:none}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:999px;font-size:16px;font-weight:600;white-space:nowrap;transition:transform .25s var(--ease),box-shadow .25s,background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn i{font-style:normal;transition:transform .25s var(--ease)}
.btn:hover i{transform:translateX(3px)}
.btn--ink{background:var(--ink);color:#fff;box-shadow:0 12px 30px -10px rgba(13,18,34,.5)}
.btn--ghost{border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.btn--ghost:hover{border-color:#cdd5e1}
.btn--acc{background:var(--ink);color:#fff;box-shadow:0 12px 26px -14px rgba(13,18,34,.45)}
.btn--lg{height:64px;padding:0 32px;font-size:18px}
.btn__play{width:22px;height:22px;border-radius:50%;background:#fff;position:relative}
.btn__play::after{content:"";position:absolute;left:8px;top:6px;border-left:8px solid var(--ink);border-top:5px solid transparent;border-bottom:5px solid transparent}
.btn__meta{font-size:12px;opacity:.55}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--blue);padding:8px 0}
.link-arrow i{font-style:normal;transition:transform .25s var(--ease)}.link-arrow:hover i{transform:translateX(4px)}

/* ---------- TYPE ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 18px;font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 0 rgba(47,107,255,.5);animation:ping 2.4s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(47,107,255,.45)}70%,100%{box-shadow:0 0 0 10px rgba(47,107,255,0)}}
.sec{padding:clamp(88px,12vw,160px) 0}
.sec__head{max-width:760px;margin-bottom:clamp(40px,6vw,72px)}
.sec__head--center{margin-left:auto;margin-right:auto;text-align:center;max-width:none}
.sec__title{margin:0;font-size:clamp(40px,6.4vw,88px);line-height:1.02;font-weight:800;letter-spacing:-.045em}
html[lang=ko] .sec__title{letter-spacing:-.04em;line-height:1.12}
.sec__lead{margin:22px 0 0;font-size:clamp(17px,1.6vw,20px);color:var(--ink-2);max-width:640px}

/* ---------- HERO (matches iotedcorp.com intro) ---------- */
.hero{position:relative;height:100vh;height:100dvh;min-height:100svh;min-height:600px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;overflow:hidden;
  background:linear-gradient(180deg,#000 0%,#000 63%,#363B60 100%);color:#fff;
  padding-top:max(0px,env(safe-area-inset-top));padding-bottom:max(0px,env(safe-area-inset-bottom));
  font-family:"Montserrat","Roboto","Noto Sans KR",sans-serif}
.hero__in{position:relative;display:flex;flex-direction:column;align-items:center}
.hero__h{margin:-100px 0 4px;font-size:70px;font-weight:500;line-height:1.2;letter-spacing:0}
.hero__p{margin:0;font-size:24px;line-height:1.4}
html[lang=ko] .hero__h{word-break:keep-all}
html[lang=ko] .hero__p{margin-top:12px}
.hero__mod{position:absolute;z-index:3;left:50%;top:20vh;transform:translateX(-50%);width:1200px;height:100px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.hero__mod img{width:100%;height:auto;user-select:none;-webkit-user-drag:none;transition:transform .6s var(--ease)}
.hero__mod:hover img{transform:translateY(-4px)}
.hero__mod.is-speaking img{animation:speak .55s var(--ease)}
@keyframes speak{35%{transform:translateY(-8px)}}
.hero__waves{position:absolute;left:50%;top:20vh;transform:translateX(-50%);z-index:2;pointer-events:none}
.wave-ring{position:absolute;left:50%;width:240px;height:240px;border:1px solid #fff;border-radius:50%;transform:rotateX(85deg) scale(.4) translateX(-50%);transform-origin:0% 30%;animation:rippleFlat 4s ease-in-out infinite;opacity:0;filter:blur(24px)}
.wave-ring.delay1{animation-delay:1.3s}.wave-ring.delay2{animation-delay:2.6s}
.wave-ring.burst{animation:rippleFlat 1.6s ease-out 1 forwards;filter:blur(10px);border-color:#9fc0ff}
@keyframes rippleFlat{0%{transform:rotateX(85deg) scale(.4) translateX(-50%);opacity:1}100%{transform:rotateX(85deg) scale(10) translateX(-50%);opacity:0}}
.hero__arrow{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);z-index:5}
.arrow path{stroke:#fff;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:100;stroke-dashoffset:100;animation:drawArrowLoop 2.5s ease-in-out infinite}
@keyframes drawArrowLoop{0%{stroke-dashoffset:100;opacity:0}10%{opacity:1}50%{stroke-dashoffset:0;opacity:1}90%{opacity:0}100%{stroke-dashoffset:0;opacity:0}}
@media (max-width:978px){.hero__h{font-size:40px;padding:0 20px}.hero__p{font-size:16px;padding:0 20px}}
@media (max-width:600px){.hero__mod{width:800px;height:40px}.wave-ring{transform-origin:0% 20%}}
@media (max-width:529px){.hero__in{align-items:flex-start}.hero__h{margin-bottom:20px;text-align:left}.hero__p{text-align:left}}
@media (max-width:400px){.hero__arrow{bottom:4px;scale:.8}}

/* nav on the dark hero */
.nav.on-dark:not(.is-open) .nav__logo svg{fill:#fff}
.nav.on-dark:not(.is-open) .nav__links{color:rgba(255,255,255,.78)}
.nav.on-dark:not(.is-open) .nav__links a:hover{color:#fff}
.nav.on-dark:not(.is-open) .sound,.nav.on-dark:not(.is-open) .lang,.nav.on-dark:not(.is-open) .burger{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:rgba(255,255,255,.85)}
.nav.on-dark:not(.is-open) .lang button{color:rgba(255,255,255,.6)}
.nav.on-dark:not(.is-open) .lang button[aria-pressed=true]{background:#fff;color:#000}
.nav.on-dark:not(.is-open) .burger span{background:#fff}
.nav.on-dark.is-solid:not(.is-open){background:rgba(0,0,0,.35);box-shadow:none}

/* ---------- ABOUT ---------- */
.about{background:var(--surface);border-bottom:1px solid var(--line)}
.about__grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,64px);align-items:end;margin-bottom:clamp(32px,4.5vw,56px)}
.about__grid .eyebrow{margin-bottom:16px}
.about__title{margin:0;font-size:clamp(32px,3.9vw,54px);line-height:1.08;font-weight:800;letter-spacing:-.04em}
html[lang=ko] .about__title{line-height:1.2;letter-spacing:-.035em}
.about__txt{margin:0;font-size:clamp(16px,1.35vw,18px);line-height:1.75;color:var(--ink-2);max-width:620px}
.about__txt b{color:var(--ink);font-weight:700}
html[lang=ko] .about__txt{word-break:keep-all}
.about__fig{position:relative;margin:0;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:2012/623;background:#fff;box-shadow:var(--shadow);isolation:isolate}
.about__fig img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.about__fig:hover img{transform:scale(1.025)}
.about__fig::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(13,18,34,.06);pointer-events:none}
@media (max-width:860px){.about__grid{grid-template-columns:1fr;gap:18px}}
br.pc{display:none}
@media (min-width:800px){br.pc{display:block}}

/* ---------- TECH ---------- */
.flow{display:grid;grid-template-columns:1fr 64px 1fr 64px 1fr;align-items:center}
.flow__step{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px;padding:34px 18px 28px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);transition:transform .4s var(--ease),box-shadow .4s,border-color .3s}
.flow__step .ico{display:grid;place-items:center;width:clamp(96px,9vw,120px);aspect-ratio:1;border-radius:32px;background:var(--bg);transition:background .4s,transform .5s var(--ease)}
.flow__step .ico svg{width:62%;height:62%;overflow:visible}
.i-ink{stroke:var(--ink);stroke-width:3.4}
.i-acc{stroke:var(--blue);stroke-width:3.4}
.i-orbit{stroke:var(--blue);stroke-width:2;stroke-dasharray:3 7;opacity:.55;transform-origin:48px 48px}
.i-node{fill:var(--surface)}
.i-core{fill:var(--blue)}
.flow__step.is-on .ico{background:var(--blue-soft)}
.flow__step.is-on .a1{animation:icoPulse 1.4s ease-in-out infinite}
.flow__step.is-on .a2{animation:icoPulse 1.4s .2s ease-in-out infinite}
.flow__step.is-on .i-orbit{animation:icoSpin 8s linear infinite}
.flow__step.is-on .i-core{animation:icoCore 1.6s ease-in-out infinite;transform-origin:48px 48px}
.i-bars path{transform-origin:48px 43px;transform-box:view-box}
.flow__step.is-on .i-bars path{animation:icoBar 1s ease-in-out infinite}
.flow__step.is-on .i-bars path:nth-child(2){animation-delay:-.25s}.flow__step.is-on .i-bars path:nth-child(3){animation-delay:-.5s}
.flow__step.is-on .i-bars path:nth-child(4){animation-delay:-.15s}.flow__step.is-on .i-bars path:nth-child(5){animation-delay:-.4s}
.a2{opacity:.45}
@keyframes icoPulse{0%,100%{opacity:.25}50%{opacity:1}}
@keyframes icoSpin{to{transform:rotate(360deg)}}
@keyframes icoCore{0%,100%{transform:scale(1)}50%{transform:scale(1.18)}}
@keyframes icoBar{0%,100%{transform:scaleY(.55)}50%{transform:scaleY(1.1)}}
.flow__step:hover{transform:translateY(-4px)}
.flow__step.is-on{border-color:rgba(47,107,255,.4);box-shadow:var(--shadow)}

.flow__no{position:absolute;left:18px;top:16px;font-size:12px;color:var(--ink-3)}
.flow__name{font-size:clamp(22px,2.3vw,30px);font-weight:800;letter-spacing:-.03em}
.flow__tag{font-size:11px;letter-spacing:.14em;color:var(--blue)}
.flow__wire{position:relative;height:2px;background:var(--line);overflow:hidden}
.flow__wire i{position:absolute;top:0;left:-30%;width:30%;height:2px;background:linear-gradient(90deg,transparent,var(--blue),transparent);animation:wire 1.6s linear infinite}
@keyframes wire{to{left:100%}}
.flow__desc{min-height:3.4em;margin:26px auto 0;max-width:680px;text-align:center;color:var(--ink-2);font-size:17px;transition:opacity .3s}
.specs{margin-top:clamp(48px,7vw,90px);display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.spec{padding:26px 24px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.spec b{font-size:clamp(30px,3.4vw,44px);font-weight:600;color:var(--blue);letter-spacing:-.03em}
.spec span{font-size:15px;color:var(--ink-2);line-height:1.5}
.tech__foot{margin-top:16px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:16px}
.hand{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:1/1;background:#7fa8c9}
.hand img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.hand:hover img{transform:scale(1.04)}
.hand__cap{position:absolute;left:20px;bottom:18px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#fff}
.stack{padding:clamp(24px,3vw,40px);border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;gap:24px;justify-content:center}
.stack__h{margin:0 0 12px;font-size:12px;letter-spacing:.16em;color:var(--ink-3)}
.tags{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tags li{padding:8px 14px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-size:14px;font-weight:500}

/* ---------- INDUSTRIES ---------- */
.index{list-style:none;padding:0;margin:34px auto 0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.index a{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-weight:600;font-size:15px;transition:border-color .2s,transform .25s var(--ease)}
.index a .mono{font-size:12px;color:var(--ink-3)}
.index a:hover{border-color:#cdd5e1;transform:translateY(-2px)}
.chap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,4.5vw,72px);align-items:center;padding:clamp(40px,6vw,80px) 0;border-top:1px solid var(--line)}
.chap:first-of-type{border-top:0}
.chap--flip{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.chap--flip .media{order:2}
.media{position:relative;display:block;width:100%;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow);isolation:isolate;text-align:left;cursor:pointer}
.media video{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.media:hover video{transform:scale(1.03)}
.media::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(13,18,34,.06);pointer-events:none}
.media__tag{position:absolute;left:16px;bottom:14px;z-index:2;font-size:11px;letter-spacing:.06em;color:rgba(255,255,255,.92);text-shadow:0 1px 6px rgba(0,0,0,.35)}
.media--light .media__tag,.media--demo .media__tag{color:var(--ink-3);text-shadow:none}
.media--demo .media__tag{left:auto;right:18px;bottom:14px}
.media__badge{position:absolute;left:16px;top:16px;z-index:2;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--ink);font-size:11px;font-weight:600;letter-spacing:.04em;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.media--light{background:#fff;aspect-ratio:1450/600}
.chap__meta{display:flex;align-items:center;margin:0 0 18px;font-size:14px;font-weight:600;letter-spacing:-.005em;line-height:1;color:var(--ink)}
.chap__no{display:inline-flex;align-items:center;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.02em}
.eq{display:inline-flex;align-items:flex-end;gap:2px;height:12px;margin-left:12px;opacity:0;transition:opacity .4s}
.chap.is-live .eq{opacity:1}
.eq i{width:2px;height:3px;border-radius:1px;background:var(--ink)}
.chap.is-live .eq i{animation:eq .9s ease-in-out infinite}
.chap.is-live .eq i:nth-child(2){animation-delay:-.3s}.chap.is-live .eq i:nth-child(3){animation-delay:-.6s}
.chap.is-live .eq i:nth-child(4){animation-delay:-.15s}.chap.is-live .eq i:nth-child(5){animation-delay:-.45s}
@keyframes eq{0%,100%{height:3px}50%{height:12px}}
.chap__title{display:block;margin:0;font-size:clamp(34px,4.2vw,56px);line-height:1.05;font-weight:800;letter-spacing:-.04em}
.chap__title sup{font-size:.35em;font-weight:600;vertical-align:1.4em;margin-left:2px}
.chap__logo{display:inline-block;height:44px;width:auto;vertical-align:middle;margin-left:10px;position:relative;top:-4px}
.chap__lead{margin:14px 0 0;font-size:clamp(19px,1.8vw,23px);font-weight:700;letter-spacing:-.02em;line-height:1.4}
.chap__body{margin:14px 0 0;color:var(--ink-2);font-size:16px}
.chap__list{list-style:none;margin:20px 0 28px;padding:0;display:flex;flex-direction:column;gap:9px}
.chap__list li{position:relative;padding-left:22px;font-size:15px;font-weight:500}
.chap__list li::before{content:"";position:absolute;left:0;top:.8em;margin-top:-.75px;width:10px;height:1.5px;border-radius:1px;background:var(--ink)}
.btns{display:flex;flex-wrap:wrap;gap:10px}
.stats{margin:22px 0 4px;display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:28px}
.stats div{display:flex;flex-direction:column}
.stats dt{font-size:clamp(26px,2.6vw,34px);font-weight:600;color:var(--ink);letter-spacing:-.03em}
.stats dd{margin:0;font-size:13px;color:var(--ink-3)}
.stats__note{margin:6px 0 24px;font-size:11px;letter-spacing:.06em;color:var(--ink-3)}

/* wide chapter (DURUBOM) */
.chap--wide{grid-template-columns:1fr;gap:clamp(28px,4vw,48px)}
.chap--wide .chap__txt{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,64px);align-items:start}
.chap--wide .chap__col2 .chap__body{margin-top:0}
/* robot demo */
.media--demo{aspect-ratio:4/3;background:linear-gradient(#fff,#fff) padding-box;background-image:linear-gradient(rgba(30,91,216,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(30,91,216,.06) 1px,transparent 1px);background-size:32px 32px;background-color:#fbfcfe;cursor:default}
.rd{position:absolute;inset:0;display:grid;grid-template-columns:1.3fr 1fr;gap:4%;padding:6% 5% 11%}
.rd__left{display:flex;flex-direction:column;gap:10px;justify-content:center;min-width:0}
.rd__say{align-self:flex-start;display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:20px 20px 20px 6px;background:var(--ink);color:#fff;font-weight:600;font-size:clamp(14px,1.4vw,18px);box-shadow:0 12px 26px -12px rgba(13,18,34,.6);transition:transform .25s var(--ease)}
.rd__say:hover{transform:translateY(-2px)}
.rd__mic{width:18px;height:18px;border-radius:50%;background:#FF5A4F;box-shadow:0 0 0 0 rgba(255,90,79,.5);animation:ping 2s infinite}
.rd__wave{width:100%;height:40px}
.rd__card{padding:12px 16px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 24px -14px rgba(20,30,60,.25);display:flex;flex-direction:column;gap:5px;opacity:.25;transform:translateY(6px);transition:opacity .4s,transform .4s var(--ease)}
.rd__card.on{opacity:1;transform:none}
.rd__card b{font-size:clamp(14px,1.3vw,17px)}
.rd__k{font-size:10px;letter-spacing:.16em;color:#1E5BD8}
.rd__chip{align-self:flex-start;padding:4px 10px;border-radius:8px;background:#FFF1E6;color:#D9620B;border:1px solid #FFD2AE;font-size:11px}
.rd__code pre{margin:0;font-size:clamp(10px,.92vw,12.5px);line-height:1.55;min-height:9.3em;white-space:pre;overflow:hidden}
.rd__right{position:relative;display:flex;align-items:flex-end;justify-content:center;min-width:0}
.rd__robot{width:100%;max-height:100%;overflow:visible}
.rd__reply{position:absolute;top:2%;right:0;margin:0;padding:10px 16px;border-radius:18px 18px 6px 18px;background:#1E5BD8;color:#fff;font-weight:600;font-size:clamp(12px,1.2vw,15px);white-space:nowrap;opacity:0;transform:scale(.8) translateY(6px);transform-origin:100% 100%;transition:opacity .3s,transform .4s var(--ease)}
.rd__reply.on{opacity:1;transform:none}
#j1,#j2,#j3{transition:transform .9s cubic-bezier(.6,0,.2,1)}
#j1{transform-origin:210px 470px}#j2{transform-origin:210px 280px}#j3{transform-origin:340px 280px}

/* ---------- MODEL ---------- */
.model{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rev{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:r}
.rev__i{position:relative;padding:30px 28px 32px;border-radius:var(--r-lg);background:var(--bg);border:1px solid var(--line);display:flex;flex-direction:column;gap:8px;transition:transform .35s var(--ease)}
.rev__i:hover{transform:translateY(-4px)}
.rev__i .mono{font-size:12px;color:var(--ink-3)}
.rev__i b{font-size:clamp(22px,2.2vw,28px);letter-spacing:-.03em;margin-top:18px}
.rev__i>span:last-child{color:var(--ink-2);font-size:15px}
.rev__i:not(:last-child)::after{content:"→";position:absolute;right:-14px;top:50%;z-index:2;width:28px;height:28px;margin-top:-14px;border-radius:50%;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;font-size:13px;color:var(--ink-3)}
.rev__i--hl{background:var(--blue);border-color:var(--blue);color:#fff}
.rev__i--hl .mono,.rev__i--hl>span:last-child{color:rgba(255,255,255,.78)}

/* ---------- PARTNERS ---------- */
.partners{padding:clamp(64px,8vw,104px) 0 clamp(64px,7vw,88px);text-align:center;overflow:hidden}
.partners__title{margin:0 auto clamp(32px,4vw,52px);padding:0 var(--gut);font-size:clamp(36px,5vw,68px)}
.marquee{position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee__track{display:flex;align-items:center;width:max-content;gap:72px;padding:10px 0;animation:marq 45s linear infinite}
.marquee__track img{width:auto;max-width:none;flex:none;filter:grayscale(1);opacity:.6;transition:filter .3s,opacity .3s}
.marquee__track img:hover{filter:none;opacity:1}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- CONTACT / FOOT ---------- */
.contact{padding:clamp(80px,12vw,150px) 0}
.contact__in{display:flex;flex-direction:column;align-items:center;text-align:center;gap:34px}
.contact__title{margin:0;font-size:clamp(34px,5.6vw,76px);line-height:1.05;font-weight:800;letter-spacing:-.045em;max-width:900px}
.foot{border-top:1px solid var(--line);padding:44px 0 calc(44px + env(safe-area-inset-bottom))}
.foot__in{display:grid;grid-template-columns:auto 1fr auto;gap:48px;align-items:start}
.foot__logo{width:84px;fill:var(--ink)}
.foot__col p{margin:0 0 6px;font-size:13.5px;color:var(--ink-2);line-height:1.6}
.foot__col a:hover{color:var(--blue)}
.foot__c{margin-top:14px!important;font-size:11px!important;color:var(--ink-3)!important}

/* ---------- MODAL ---------- */
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:24px}
.modal[hidden]{display:none}
.modal__bg{position:absolute;inset:0;background:rgba(13,18,34,.45);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;transition:opacity .35s}
.modal__box{position:relative;width:min(960px,100%);max-height:min(88vh,900px);overflow:auto;overscroll-behavior:contain;border-radius:var(--r-lg);background:var(--surface);box-shadow:0 40px 120px -20px rgba(13,18,34,.5);opacity:0;transform:translateY(24px) scale(.98);transition:opacity .35s,transform .45s var(--ease)}
.modal.is-open .modal__bg{opacity:1}
.modal.is-open .modal__box{opacity:1;transform:none}
.modal__x{position:sticky;top:14px;float:right;margin:14px 14px 0 0;z-index:3;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.9);border:1px solid var(--line);font-size:24px;line-height:1;display:grid;place-items:center}
.modal__body{padding:clamp(26px,4vw,48px)}
.modal--film .modal__box{width:min(1200px,100%);background:#000}
.modal--film .modal__body{padding:0}
.modal--film .modal__x{position:absolute;top:0;right:0;background:rgba(255,255,255,.92)}
.modal video.film{width:100%;aspect-ratio:16/9;background:#000}
.m-eyebrow{margin:0 0 10px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.m-title{margin:0 0 12px;font-size:clamp(28px,3.4vw,44px);line-height:1.08;font-weight:800;letter-spacing:-.04em}
.m-lead{margin:0 0 28px;font-size:17px;color:var(--ink-2);max-width:680px}
.m-media{width:100%;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;margin:0 0 28px;background:#fff}
.m-media video{width:100%;height:100%;object-fit:cover}
.m-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:0 0 24px}
.m-grid--3{grid-template-columns:repeat(3,1fr)}
.m-card{padding:18px 20px;border-radius:var(--r-md);background:var(--bg);border:1px solid var(--line)}
.m-card b{display:block;margin-bottom:4px;font-size:16px}
.m-card span{font-size:14px;color:var(--ink-2);line-height:1.55;display:block}
.m-card .mono{font-size:11px;letter-spacing:.12em;color:var(--ink-3);margin-bottom:8px}
.m-h{margin:40px 0 14px;font-family:var(--font);font-size:clamp(19px,1.9vw,23px);font-weight:700;line-height:1.3;letter-spacing:-.03em;color:var(--ink)}
html[lang=en] .m-h{font-family:'Montserrat',var(--font);letter-spacing:-.02em}
.m-arch{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:12px;align-items:stretch;margin:0 0 8px}
.m-arch>div{padding:18px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--bg)}
.m-arch .core{background:var(--blue);border-color:var(--blue);color:#fff}
.m-arch .core li{border-color:rgba(255,255,255,.18)}
.m-arch .core li span{color:rgba(255,255,255,.75)}
.m-arch ul{list-style:none;margin:10px 0 0;padding:0}
.m-arch li{padding:8px 0;border-top:1px solid var(--line);font-size:14px;font-weight:600}
.m-arch li span{display:block;font-weight:400;font-size:12.5px;color:var(--ink-2)}
.m-note{font-size:13px;color:var(--ink-3);margin:14px 0 0}
.m-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* ---------- CURSOR PILL ---------- */
.cursor-pill{position:fixed;left:0;top:0;z-index:70;pointer-events:none;padding:9px 14px;border-radius:999px;background:var(--ink);color:#fff;font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:0;transform:translate(-50%,-50%) scale(.6);transition:opacity .2s,transform .25s var(--ease)}
.cursor-pill.on{opacity:1;transform:translate(-50%,-50%) scale(1)}

/* ---------- REVEAL ---------- */
.rv{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1080px){
  .specs{grid-template-columns:repeat(2,1fr)}
  .chap,.chap--flip{grid-template-columns:1fr;gap:28px}
  .chap--flip .media{order:0}
  .rd__code pre{font-size:12px}
}
@media (max-width:860px){
  .nav__links{display:none}
  .burger{display:block}
  .sound__lbl{display:none}
  .sound{padding:0 12px}
  .drawer{display:flex;flex-direction:column;gap:4px;max-height:0;overflow:hidden;padding:0 var(--gut);background:rgba(255,255,255,.97);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:max-height .45s var(--ease),padding .45s var(--ease)}
  .drawer a{font-size:26px;font-weight:800;letter-spacing:-.03em;padding:10px 0;border-bottom:1px solid var(--line)}
  .nav.is-open .drawer{max-height:420px;padding:12px var(--gut) 28px}
  .nav.is-open{background:rgba(255,255,255,.97)}
  .flow{grid-template-columns:1fr;gap:0}
  .flow__wire{width:2px;height:28px;margin:0 auto}
  .flow__wire i{left:0;top:-30%;width:2px;height:30%;background:linear-gradient(180deg,transparent,var(--blue),transparent);animation:wirev 1.6s linear infinite}
  @keyframes wirev{to{top:100%}}
  .flow__step{flex-direction:row;justify-content:flex-start;gap:18px;padding:16px 18px 16px 54px;text-align:left}
  .flow__step .ico{width:60px;border-radius:18px}
  .flow__no{top:50%;transform:translateY(-50%)}
  .flow__tag{margin-left:auto}
  .tech__foot{grid-template-columns:1fr}
  .hand{aspect-ratio:4/3}
  .rev{grid-template-columns:1fr}
  .rev__i:not(:last-child)::after{right:50%;top:auto;bottom:-14px;margin:0 -14px 0 0;content:"↓"}
  .foot__in{grid-template-columns:1fr;gap:22px}
  .media--demo{aspect-ratio:auto}
  .rd{position:relative;grid-template-columns:1fr 38%;padding:22px 18px 40px}
  .m-arch,.m-grid,.m-grid--3{grid-template-columns:1fr}
}
@media (max-width:560px){
  body{font-size:16px}
  .specs{grid-template-columns:1fr 1fr;gap:10px}
  .spec{padding:18px 16px}
  .spec span{font-size:13.5px}
  .stats{grid-template-columns:repeat(3,auto);gap:18px}
  .rd{grid-template-columns:1fr;gap:6px}
  .rd__right{height:200px;order:-1}
  .rd__robot{height:100%;width:auto}
  .rd__reply{top:0;right:4px}
  .modal{padding:0;place-items:end stretch}
  .modal__box{width:100%;max-height:92svh;border-radius:24px 24px 0 0;transform:translateY(40px)}
  .modal--film{place-items:center stretch}
  .modal--film .modal__box{border-radius:0}
  .chap__logo{height:34px}
  .btn{height:50px;padding:0 20px;font-size:15px}
  .btn--lg{height:56px;font-size:16px}
  .contact .btn--lg span{font-size:15px}
}
@media (hover:none){.cursor-pill{display:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}

.model .sec__head{max-width:980px}
.model .sec__title{font-size:clamp(36px,5vw,68px)}
@media (max-width:860px){.chap--wide .chap__txt{grid-template-columns:1fr;gap:0}.chap--wide .chap__col2{margin-top:14px}}
@media (max-width:560px){
  .flow__tag{display:none}
}
@media (max-width:560px){
  .rd{padding:20px 16px 56px}
  .media--demo .media__tag{left:16px;right:16px;font-size:10px}
}

@media (max-width:860px){.nav__tools{margin-left:auto}}
@media (max-width:560px){.marquee__track{gap:48px}.marquee__track img{transform:scale(.82)}}

/* DURUBOM: key visual, then the video fades in */
.media--duru{aspect-ratio:2/1;background:#fff}
.media--duru .duru-kv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 86%;transition:transform 6s var(--ease)}
.media--duru:hover .duru-kv{transform:scale(1.02)}
.duru-vid{position:absolute;inset:0;display:grid;place-items:center;background:#fff;opacity:0;transition:opacity .9s var(--ease);pointer-events:none}
.duru-vid.show{opacity:1}
.duru-vid video{width:100%;height:100%;object-fit:contain}
/* modal: full film with sound */
.m-media--film{background:#000}
.m-media--film video{object-fit:contain}
/* modal: flow + stats */
.m-flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 8px;padding:0;list-style:none}
.m-flow li{padding:9px 14px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-size:14px;font-weight:600}
.m-flow li.arr{padding:0;border:0;background:none;color:var(--ink-3);font-weight:400}
.m-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 10px}
.m-stats div{padding:16px 18px;border-radius:var(--r-md);background:var(--bg);border:1px solid var(--line)}
.m-stats b{display:block;font-family:var(--mono);font-size:26px;font-weight:600;color:var(--ink);letter-spacing:-.02em}
.m-stats span{font-size:13px;color:var(--ink-2);line-height:1.45;display:block}
.m-stats--3{grid-template-columns:repeat(3,1fr)}
.m-kv{width:100%;aspect-ratio:2/1;border-radius:var(--r-md);overflow:hidden;margin:0 0 28px;background:#DCEFEA}
.m-kv img{width:100%;height:100%;object-fit:cover;object-position:50% 86%}
.m-list{margin:0;padding:0 0 0 18px;font-size:14px;color:var(--ink-2);line-height:1.8}
.m-disc{margin:20px 0 0;padding:14px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:13.5px;line-height:1.6}
@media (max-width:860px){
  .media--duru{aspect-ratio:4/3}
  .media--duru .duru-kv{object-position:50% 88%}
  .m-stats{grid-template-columns:repeat(2,1fr)}
  .m-stats--3{grid-template-columns:1fr}
  .m-stats--3 div{display:flex;align-items:center;gap:14px}
  .m-stats--3 b{flex:none;min-width:84px}
  /* about: full-bleed image at the bottom on mobile */
  .about{padding-bottom:0}
  .about__fig{margin:0 calc(-1 * var(--gut));border-radius:0;box-shadow:none;aspect-ratio:16/9}
  .about__fig::after{display:none}
  .about__fig img{object-position:50% 50%}
}

/* numbers: Pretendard Variable */
.chap__no,.flow__no,.index a .mono,.spec b,.stats dt,.stats__note,.rev__i>.mono,.m-stats b,.m-card .mono,.m-eyebrow,.foot__c{font-family:'Pretendard Variable',Pretendard,var(--font);font-variant-numeric:tabular-nums;letter-spacing:0}
.spec b,.stats dt,.m-stats b{letter-spacing:-.02em}

/* industries: mind-map nodes */
.media__badge{font-family:'Pretendard Variable',Pretendard,var(--font)}
.mind{position:relative;display:grid;place-items:center;min-height:clamp(480px,42vw,580px);max-width:1080px}
.mind .sec__title{position:relative;z-index:2}
.mind__lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:0}
.mind__lines path{fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mind .index{position:absolute;inset:0;margin:0;display:block;z-index:3}
.mind .index li{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);will-change:transform}
.mind .index li:nth-child(1){--x:12%;--y:22%;--c:#1FA34A}
.mind .index li:nth-child(2){--x:88%;--y:20%;--c:#7A5CFF}
.mind .index li:nth-child(3){--x:10%;--y:76%;--c:#E89A00}
.mind .index li:nth-child(4){--x:90%;--y:78%;--c:#2F6BFF}
.mind .index li:nth-child(5){--x:50%;--y:93%;--c:#0FA3A0}
.mind .index a{position:relative;display:grid;place-items:center;width:112px;height:112px;padding:10px;border-radius:50%;text-align:center;line-height:1.25;font-size:15px;font-weight:700;letter-spacing:-.01em;
  color:color-mix(in srgb,var(--c) 82%,#000);background:color-mix(in srgb,var(--c) 9%,#fff);border:1.5px solid color-mix(in srgb,var(--c) 45%,#fff);
  box-shadow:0 14px 30px -18px color-mix(in srgb,var(--c) 70%,transparent);transition:background .3s,color .3s,transform .3s var(--ease),border-color .3s}
.mind .index a::after{content:"";position:absolute;inset:-1.5px;border-radius:50%;border:1.5px solid var(--c);opacity:0;animation:mindPulse 3.2s ease-out infinite;animation-delay:var(--d,0s);pointer-events:none}
.mind .index li:nth-child(2) a{--d:.6s}.mind .index li:nth-child(3) a{--d:1.2s}.mind .index li:nth-child(4) a{--d:1.8s}.mind .index li:nth-child(5) a{--d:2.4s}
.mind .index a:hover{background:var(--c);color:#fff;border-color:var(--c);transform:scale(1.06)}
@keyframes mindPulse{0%{opacity:.55;transform:scale(1)}100%{opacity:0;transform:scale(1.45)}}
@media (max-width:860px){
  .mind{min-height:500px}
  .mind .index li:nth-child(1){--x:20%;--y:11%}
  .mind .index li:nth-child(2){--x:77%;--y:19%}
  .mind .index li:nth-child(3){--x:18%;--y:82%}
  .mind .index li:nth-child(4){--x:79%;--y:80%}
  .mind .index li:nth-child(5){--x:48%;--y:95%}
  .mind .index a{width:84px;height:84px;font-size:13px;padding:8px}
}
@media (prefers-reduced-motion:reduce){.mind .index a::after{animation:none}}
.m-media--film{position:relative}
.m-unmute{position:absolute;right:16px;top:16px;z-index:2;display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;background:rgba(13,18,34,.78);color:#fff;font-size:14px;font-weight:600;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:background .2s}
.m-unmute:hover{background:#0D1222}
.m-unmute svg{width:18px;height:18px}

/* Yuil: robot footage behind the interface */
.media--demo{background:#1a1d24}
.rd__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.media--demo:hover .rd__bg{transform:none}
.rd__veil{position:absolute;inset:0;z-index:0;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,.86) 0%,rgba(255,255,255,.62) 46%,rgba(255,255,255,.05) 80%)}
.rd{z-index:1}
.rd__right{align-items:flex-start}
.rd__right{position:static}
.rd__reply{top:auto;bottom:6%;right:5%;font-size:clamp(13px,1.25vw,16px);padding:12px 18px;box-shadow:0 14px 30px -14px rgba(30,91,216,.6)}
@media (max-width:860px){
  .rd__veil{background:linear-gradient(180deg,rgba(255,255,255,.05) 0%,rgba(255,255,255,.55) 34%,rgba(255,255,255,.86) 60%)}
  .rd__right{height:110px}
  .rd{padding-bottom:84px!important}
  .rd__reply{bottom:22px;right:18px}
}