@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
:root{
  --bg:#F4F5F6;
  --panel:#FFFFFF;
  --ink:#1A1F26;
  --muted:#5C6570;
  --accent:#14304F;
  --accent-light:#2D5D89;
  --header:#14304F;
  --line:#DEE1E4;
  --line-soft:#DEE1E480;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Pretendard','Noto Sans KR',sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
.mono{font-family:'Pretendard','Noto Sans KR',sans-serif;}

/* Font A: Pretendard throughout the site. */
html[lang="en"] body{font-family:'Pretendard','Noto Sans KR',sans-serif;}
.logo, .lang-switch{font-family:'Pretendard','Noto Sans KR',sans-serif;}
.axis-step{font-family:'Pretendard','Noto Sans KR',sans-serif;}

a{color:inherit;}
img{max-width:100%; display:block;}
.wrap{max-width:1080px; margin:0 auto; padding:0 32px;}
a:focus-visible, button:focus-visible{outline:2px solid var(--accent-light); outline-offset:3px;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}

header{
  position:sticky; top:0; z-index:50;
  background:var(--panel);
  border-bottom:1px solid var(--line);
}
header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:72px; flex-wrap:wrap;
}
.menu-toggle{
  display:none;
  width:42px; height:42px;
  border:0; background:transparent; color:var(--ink);
  align-items:center; justify-content:center;
  cursor:pointer; padding:8px;
}
.menu-toggle-box{position:relative; width:22px; height:16px; display:block;}
.menu-toggle-box::before,
.menu-toggle-box::after,
.menu-toggle-line{
  content:''; position:absolute; left:0; width:22px; height:2px;
  background:currentColor; border-radius:2px;
  transition:transform .18s ease, top .18s ease, opacity .18s ease;
}
.menu-toggle-box::before{top:0;}
.menu-toggle-line{top:7px;}
.menu-toggle-box::after{top:14px;}
.menu-toggle[aria-expanded="true"] .menu-toggle-box::before{top:7px; transform:rotate(45deg);}
.menu-toggle[aria-expanded="true"] .menu-toggle-line{opacity:0;}
.menu-toggle[aria-expanded="true"] .menu-toggle-box::after{top:7px; transform:rotate(-45deg);}
@media(max-width:820px){
  header .wrap{height:auto; min-height:64px; padding-top:10px; padding-bottom:10px;}
  .menu-toggle{display:flex; margin-left:auto;}
  header nav{
    display:none; width:100%;
    flex-direction:column; align-items:flex-start;
    gap:0; padding:8px 0 10px;
  }
  header nav.open{display:flex;}
  header nav > a{width:100%; padding:11px 0;}
  .lang-switch{
    width:100%; margin:4px 0 0; padding:12px 0 2px;
    border-left:0; border-top:1px solid var(--line);
  }
}
.logo{display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--ink); font-weight:700; font-size:20px; letter-spacing:-0.01em;}
.logo-mark{width:28px; height:28px;}
nav{display:flex; gap:26px; flex-wrap:wrap; align-items:center;}
nav a{
  text-decoration:none; color:var(--muted); transition:color .15s;
  font-size:14.5px; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
}
nav a:hover{color:var(--ink);}
nav a.active{color:var(--accent);}
.lang-switch{margin-left:6px; padding-left:20px; border-left:1px solid var(--line); font-size:14.5px; font-weight:700; letter-spacing:.04em;}
.lang-switch .cur{color:var(--ink); font-weight:700;}
.lang-switch a{color:var(--muted); text-decoration:none; margin-left:4px; font-weight:700;}
.lang-switch a:hover{color:var(--ink);}

/* Home hero */
.hero{
  background:var(--panel);
  padding:0;
  color:var(--ink);
  overflow:hidden;
}
.hero .wrap{
  max-width:1440px;
  padding:0;
}
.hero-split{
  display:grid;
  grid-template-columns:minmax(0, 52fr) minmax(0, 48fr);
  min-height:650px;
  background:var(--panel);
}
.hero-copy{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:72px 56px 64px max(28px, calc((100vw - 1440px)/2 + 28px));
  position:relative;
  z-index:2;
}
.hero-brand-row{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:20px;
}
.hero-k-mark{
  width:42px;
  height:42px;
  object-fit:contain;
  flex:0 0 auto;
}
.hero .eyebrow{
  font-family:'Pretendard','Noto Sans KR',sans-serif;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--accent);
  font-weight:700;
}
.hero h1{
  color:var(--header);
  max-width:660px;
  font-size:clamp(38px,3.45vw,50px);
  line-height:1.18;
  letter-spacing:-0.04em;
  font-weight:700;
}
.hero p.lead{
  margin-top:24px;
  max-width:650px;
  font-size:16px;
  color:var(--muted);
}
.hero-cta{margin-top:32px; display:flex; gap:12px; flex-wrap:wrap;}
.btn{
  display:inline-block; padding:12px 22px; font-size:14px; font-weight:500;
  border-radius:4px; text-decoration:none; transition:.15s; border:1px solid transparent;
}
.btn-primary{background:var(--accent); color:#fff;}
.btn-primary:hover{background:#0E2740;}
.btn-ghost{border-color:var(--accent); color:var(--accent); background:transparent;}
.btn-ghost:hover{background:#F7F9FB; border-color:var(--header); color:var(--header);}
.hero-visual{
  position:relative;
  min-height:650px;
  background:var(--header);
  overflow:hidden;
  clip-path:polygon(11% 0,100% 0,100% 100%,0 100%);
}
.hero-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  display:block;
}
.hero .axis-flow{
  display:flex; align-items:baseline; flex-wrap:wrap; gap:10px 4px;
  margin-top:44px; padding-top:26px; border-top:1px solid var(--line); color:var(--ink);
  max-width:650px;
}
.axis-step{display:flex; align-items:baseline; gap:8px; font-size:13px;}
.axis-step .n{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:11px; color:var(--accent); font-weight:700;}
.hero .axis-arrow{color:#9AA3AD; font-size:14px; padding:0 4px;}

@media(max-width:1180px) and (min-width:981px){
  .hero-split{grid-template-columns:minmax(0, 53fr) minmax(0, 47fr);}
  .hero-copy{padding-left:28px; padding-right:42px;}
  .hero h1{max-width:610px; font-size:clamp(36px,3.7vw,44px);}
  .hero p.lead,.hero .axis-flow{max-width:610px;}
}
.hero-lead-line{display:block; white-space:nowrap;}

@media(max-width:980px){
  .hero-lead-line{display:inline; white-space:normal;}
  .hero-split{grid-template-columns:1fr; min-height:0;}
  .hero-copy{padding:56px 32px 48px;}
  .hero h1{font-size:clamp(36px,6vw,48px); max-width:680px;}
  .hero-visual{clip-path:none; min-height:0; aspect-ratio:16/9;}
}
@media(max-width:640px){
  .hero-copy{padding:42px 20px 40px;}
  .hero h1{font-size:clamp(34px,10vw,44px); line-height:1.2;}
  .hero-k-mark{width:34px; height:34px;}
  .hero-brand-row{gap:10px; margin-bottom:16px;}
  .hero .axis-arrow{display:none;}
  .hero .axis-flow{flex-direction:column; gap:10px;}
}

/* Sub-page hero */
.subhero{padding:64px 0 52px; background:var(--header); color:#fff;}
.subhero h1{max-width:720px; font-size:clamp(26px,3.4vw,36px); color:#fff;}
.subhero p.lead{max-width:700px; margin-top:16px; font-size:15px; color:rgba(255,255,255,0.75);}
.breadcrumb{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:11.5px; color:rgba(255,255,255,0.55); margin-bottom:18px;}
.breadcrumb a{text-decoration:none; color:rgba(255,255,255,0.55);}
.breadcrumb a:hover{color:#fff;}

.pipeline{padding:44px 0 80px;}
.pipeline-label{
  font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:11.5px; color:var(--muted);
  letter-spacing:.08em; margin-bottom:20px; text-transform:uppercase;
}
.pipe-track{
  position:relative; display:grid; grid-template-columns:repeat(5,1fr);
  gap:1px; background:var(--line); border:1px solid var(--line);
}
.pipe-step{background:var(--panel); padding:22px 16px 20px; position:relative; min-height:130px;}
.pipe-step .n{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:11px; color:var(--accent);}
.pipe-step .t{font-weight:600; font-size:14.5px; margin-top:14px;}
.pipe-step .d{font-size:12px; color:var(--muted); margin-top:6px; line-height:1.5;}
.pipe-step:not(:last-child)::after{
  content:'→'; position:absolute; right:-13px; top:50%; transform:translateY(-50%);
  color:var(--muted); font-size:13px; z-index:2; background:var(--bg);
  width:22px; text-align:center;
}
@media(max-width:820px){
  .pipe-track{grid-template-columns:1fr;}
  .pipe-step:not(:last-child)::after{content:'↓'; right:auto; left:50%; top:auto; bottom:-12px; transform:translateX(-50%);}
}

section{padding:68px 0;}
section + section{border-top:1px solid var(--line);}
.sec-head{margin-bottom:34px;}
.sec-num{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:11.5px; color:var(--accent); letter-spacing:.06em;}
h2{font-weight:700; font-size:25px; margin-top:8px; letter-spacing:-0.01em;}
.sec-desc{max-width:720px; color:var(--muted); font-size:14.5px; margin-top:10px;}

.grid3{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.card{background:var(--panel); padding:26px;}
.card-icon{color:var(--accent); margin-bottom:14px;}
.card-icon svg{width:26px; height:26px;}
.card h3{font-size:15.5px; font-weight:600; margin-bottom:10px;}
.card p{font-size:13.5px; color:var(--muted); line-height:1.65;}
.map-embed{border:1px solid var(--line); margin-top:28px; max-width:480px;}
.map-embed iframe{display:block; filter:grayscale(15%) contrast(1.03);}
@media(max-width:760px){.grid3{grid-template-columns:1fr;}}

.teaser-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.teaser{background:var(--panel); padding:28px; display:flex; flex-direction:column;}
.teaser h3{font-size:15.5px; font-weight:600; margin-bottom:10px;}
.teaser p{font-size:13.5px; color:var(--muted); line-height:1.65; flex:1;}
.teaser .more{margin-top:16px; font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:12px; color:var(--accent); text-decoration:none;}
.teaser .more:hover{text-decoration:underline;}
@media(max-width:760px){.teaser-grid{grid-template-columns:1fr;}}

@media(max-width:480px){.wrap{padding-left:20px; padding-right:20px;}}

.verify-card .basis{margin-top:14px; font-size:11.5px; color:var(--muted);}

.stack-list{display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line);}
.stack-item{
  display:grid; grid-template-columns:44px 1fr; gap:20px;
  padding:28px 24px; background:var(--panel);
}
.stack-item h3{font-size:17px; font-weight:600; margin-bottom:8px;}
.stack-item p{font-size:14px; color:var(--muted); line-height:1.7; max-width:720px;}
.stack-content{min-width:0;}
.stack-icon{color:var(--accent);}
.stack-icon svg{width:26px; height:26px;}
@media(max-width:600px){.stack-item{grid-template-columns:1fr;}}

.verify-list{display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line);}
.verify-row{
  display:grid; grid-template-columns:40px minmax(0,1fr) 240px; gap:24px; align-items:start;
  padding:24px; background:var(--panel);
}
html[lang="en"] .verify-row{grid-template-columns:40px minmax(0,1fr) 300px;}
.verify-row h3{font-size:15.5px; font-weight:600; margin-bottom:8px;}
.verify-row p{font-size:13.5px; color:var(--muted); line-height:1.65;}
.verify-basis{font-size:11.5px; color:var(--muted); padding-top:2px; text-align:left; white-space:nowrap;}
@media(max-width:760px){
  .verify-row, html[lang="en"] .verify-row{grid-template-columns:1fr;}
  .verify-basis{text-align:left; white-space:normal;}
}

.patent-list{display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line);}
.patent-row{background:var(--panel); padding:18px 22px; display:grid; grid-template-columns:44px 1fr 170px; gap:18px; align-items:start;}
.patent-row .num{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:12px; color:var(--accent); padding-top:2px;}
.patent-row .title{font-size:13.5px; line-height:1.55;}
.patent-row .meta{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:11px; color:var(--muted); line-height:1.6; text-align:right;}
@media(max-width:700px){
  .patent-row{grid-template-columns:1fr; gap:6px;}
  .patent-row .meta{text-align:left;}
}

.research-intro{max-width:720px; color:var(--muted); font-size:14.5px;}
.research-intro-wide{max-width:none;}
.stats{display:flex; gap:0; flex-wrap:wrap; border-top:1px solid rgba(255,255,255,0.14); border-left:1px solid rgba(255,255,255,0.14); margin-top:40px;}
.stat{flex:1; min-width:140px; padding:22px 20px; border-right:1px solid rgba(255,255,255,0.14); border-bottom:1px solid rgba(255,255,255,0.14); background:var(--header); display:block; text-decoration:none; color:inherit; transition:background .15s;}
a.stat:hover{background:#1C3A5C;}
.stat .num{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:32px; font-weight:600; color:#fff;}
.stat .label{font-size:12px; color:rgba(255,255,255,0.72); margin-top:4px; font-weight:700;}
.cred-line{margin-top:18px; font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:11.5px; color:var(--muted);}

.profile-grid{display:grid; grid-template-columns:180px 1fr; gap:36px; align-items:start;}
.profile-photo{width:100%; aspect-ratio:688/885; object-fit:cover; border:1px solid var(--line); filter:grayscale(15%);}
@media(max-width:640px){.profile-grid{grid-template-columns:120px 1fr;}}
.profile-facts{display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line);}
.profile-fact{padding:16px 20px; background:var(--panel); display:flex; gap:18px;}
.profile-fact .k{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:11.5px; color:var(--muted); width:110px; flex-shrink:0;}
.profile-fact .v{font-size:13.5px;}
.profile-fact .v a{text-decoration:underline; text-decoration-color:var(--line);}
.profile-fact .v a:hover{color:var(--accent);}

.empty-state{border:1px dashed var(--line); padding:56px 28px; text-align:center; color:var(--muted);}
.empty-state .mono{font-size:12px; letter-spacing:.06em; color:var(--accent); margin-bottom:10px; display:block;}
.empty-state p{font-size:14px; max-width:420px; margin:0 auto;}

.contact-block{max-width:480px; display:flex; flex-direction:column; gap:1px; background:var(--line); border:1px solid var(--line);}
.contact-row{padding:18px 20px; background:var(--panel); display:flex; justify-content:space-between; align-items:baseline;}
.contact-row .k{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:11.5px; color:var(--muted);}
.contact-row a{text-decoration:none; font-weight:500;}
.contact-row a:hover{color:var(--accent);}

footer{background:var(--panel); border-top:1px solid var(--line); padding:52px 0; color:var(--muted);}
footer .wrap{display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:24px;}
footer .mono{font-size:14px; font-weight:700; color:var(--muted); line-height:1.7;}
footer a.mail{font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:20px; font-weight:700; text-decoration:none; color:var(--ink);}
footer a.mail:hover{color:var(--accent);}
.footer-links{display:flex; gap:16px; margin-top:12px; font-family:'Pretendard','Noto Sans KR',sans-serif; font-size:13px; font-weight:700;}
.footer-links a{text-decoration:none; color:var(--muted);}
.footer-links a:hover{color:var(--ink);}

.pub-meta{color:var(--muted); font-size:12.5px;}

/* 2026-09-05 header brand + fixed Korean hero title */
.logo{
  gap:9px;
  flex-shrink:0;
}
.logo-network{
  width:31px;
  height:37px;
  object-fit:contain;
  flex:0 0 auto;
}
.logo-wordmark{
  width:208px;
  height:auto;
  max-height:46px;
  object-fit:contain;
  flex:0 0 auto;
}
.hero-title-line{
  display:block;
  white-space:nowrap;
}
@media(max-width:1180px) and (min-width:981px){
  .logo-network{width:27px;height:32px;}
  .logo-wordmark{width:178px;}
}
.hero-lead-line{display:block; white-space:nowrap;}

@media(max-width:980px){
  .hero-title-line{white-space:normal;}
}
@media(max-width:820px){
  .logo-network{width:25px;height:30px;}
  .logo-wordmark{width:165px;}
}
@media(max-width:420px){
  .logo-network{width:22px;height:27px;}
  .logo-wordmark{width:145px;}
}

/* Unified high-resolution KINAI header logo */
.logo-full{display:block;width:224px;height:auto;object-fit:contain;}
@media(max-width:1180px){.logo-full{width:205px;}}
@media(max-width:980px){.logo-full{width:190px;}}
@media(max-width:480px){.logo-full{width:165px;}}


/* Home opening cover */
.home-intro{
  position:fixed;
  z-index:40;
  top:72px;
  left:0;
  right:0;
  height:calc(100svh - 72px);
  min-height:560px;
  overflow:hidden;
  background:#071b31;
  color:#fff;
  isolation:isolate;
  opacity:1;
  visibility:visible;
  will-change:opacity;
}
.home-intro-image{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center center;
  display:block;
  z-index:-3;
}
.home-intro-shade{
  position:absolute;
  inset:0;
  z-index:-2;
  background:linear-gradient(180deg,rgba(3,18,35,.22) 0%,rgba(3,18,35,.34) 54%,rgba(3,18,35,.50) 100%);
}
.home-intro-content{
  position:absolute;
  left:50%;
  top:46%;
  width:min(100% - 48px, 980px);
  transform:translate(-50%,-50%);
  text-align:center;
  text-shadow:0 2px 18px rgba(0,0,0,.38);
}
.home-intro-kicker{
  margin-bottom:16px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
  color:rgba(255,255,255,.88);
}
.home-intro h1{
  margin:0;
  color:#fff;
  font-size:clamp(42px,5.3vw,76px);
  line-height:1.05;
  letter-spacing:-.035em;
  font-weight:700;
}
.home-intro-content p{
  margin:22px 0 0;
  font-size:clamp(17px,1.6vw,23px);
  line-height:1.55;
  color:rgba(255,255,255,.94);
  font-weight:500;
}
.home-intro-footer{
  position:absolute;
  left:50%;
  bottom:22px;
  transform:translateX(-50%);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.home-intro-logo{
  display:block;
  width:52px;
  height:52px;
  object-fit:contain;
  padding:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
}
.home-intro-arrow{
  width:40px;
  height:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  text-decoration:none;
  opacity:.92;
  transition:transform .18s ease,opacity .18s ease;
}
.home-intro-arrow:hover{transform:translateY(3px);opacity:1;}
.home-intro-arrow span{
  width:15px;
  height:15px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translate(-2px,-2px);
}
#home-main{scroll-margin-top:72px;}
html{scroll-behavior:smooth;}
.home-intro-spacer{height:clamp(190px,28vh,300px);background:var(--panel);}
@media(max-width:820px){
  .home-intro{top:64px;height:calc(100svh - 64px);min-height:500px;}
  .home-intro-content{top:45%;width:min(100% - 36px,700px);}
  .home-intro-kicker{font-size:12px;margin-bottom:12px;}
  .home-intro h1{font-size:clamp(36px,9vw,58px);}
  .home-intro-content p{font-size:clamp(15px,4vw,19px);margin-top:16px;}
  .home-intro-logo{width:46px;height:46px;}
  .home-intro-footer{bottom:15px;gap:10px;}
  #home-main{scroll-margin-top:64px;}
  .home-intro-spacer{height:clamp(170px,25vh,240px);}
}
@media(max-width:480px){
  .home-intro-image{object-position:center center;}
  .home-intro h1{font-size:clamp(34px,11vw,48px);}
  .home-intro-logo{width:42px;height:42px;}
}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto;}}

/* Desktop editorial line breaks; released on narrow screens */
.desktop-br{display:block;}
@media(max-width:820px){.desktop-br{display:none;}}