:root{
  --blue:#1f67a5;
  --blue-deep:#0e3f6b;
  --navy:#0d1b2a;
  --ink:#111827;
  --muted:#667085;
  --line:#e7ecf2;
  --soft:#f5f8fb;
  --white:#ffffff;
  --teal:#19a99a;
  --shadow:0 20px 55px rgba(15, 38, 65, .10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Pretendard,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.65;
  word-break:keep-all;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(231,236,242,.9);
}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{width:182px;height:auto}
.nav{display:flex;gap:30px;align-items:center;font-size:14px;font-weight:700;letter-spacing:.02em}
.nav a{position:relative;padding:10px 0}
.nav a:after{content:"";position:absolute;left:0;right:100%;bottom:3px;height:2px;background:var(--blue);transition:.25s}
.nav a:hover:after,.nav a.active:after{right:0}
.menu-btn{display:none;border:0;background:transparent;width:42px;height:42px;border-radius:10px;cursor:pointer}
.menu-btn span{display:block;width:22px;height:2px;background:#172033;margin:5px auto;transition:.2s}

.hero{
  min-height:760px;
  display:flex;align-items:center;
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 78% 28%, rgba(31,103,165,.16), transparent 30%),
    radial-gradient(circle at 65% 68%, rgba(25,169,154,.10), transparent 26%),
    linear-gradient(180deg,#fff 0%,#f8fbfe 100%);
}
.hero:before,.hero:after{
  content:"";position:absolute;border:1px solid rgba(31,103,165,.12);border-radius:999px;
}
.hero:before{width:520px;height:520px;right:-90px;top:85px}
.hero:after{width:340px;height:340px;right:80px;top:175px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:20px}
.eyebrow:before{content:"";width:30px;height:2px;background:var(--blue)}
.hero h1{font-size:clamp(46px,6vw,78px);line-height:1.08;letter-spacing:-.045em;margin:0 0 24px}
.hero h1 span{color:var(--blue)}
.hero p{font-size:19px;color:#4d5967;max-width:680px;margin:0 0 32px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.hero-tags span{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;font-size:13px;font-weight:700;color:#43505e}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:10px;font-weight:800;font-size:14px;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(13,27,42,.18)}
.btn-ghost{background:#fff;border-color:var(--line)}
.btn-ghost:hover{border-color:#b9c6d4}
.hero-visual{
  position:relative;height:510px;border-radius:34px;
  background:linear-gradient(145deg,#0c1e32,#123a61 58%,#1d6da8);
  box-shadow:var(--shadow);overflow:hidden;padding:34px;color:#fff;
}
.hero-visual:before{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);right:-70px;top:-40px;
}
.hero-visual:after{
  content:"AI";position:absolute;right:28px;bottom:-40px;font-size:180px;font-weight:900;letter-spacing:-.08em;color:rgba(255,255,255,.045)
}
.visual-kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#9dc7e7}
.visual-title{font-size:28px;font-weight:800;line-height:1.35;margin-top:12px;max-width:360px}
.flow{position:absolute;left:34px;right:34px;bottom:34px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.flow-item{padding:18px 12px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(4px)}
.flow-item b{display:block;font-size:12px;color:#83d8cb;margin-bottom:4px}
.flow-item span{font-size:13px;color:#e6eef6}

.section{padding:110px 0}
.section-soft{background:var(--soft)}
.section-dark{background:var(--navy);color:#fff}
.section-head{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;margin-bottom:48px}
.section-title{font-size:clamp(34px,4vw,52px);letter-spacing:-.035em;line-height:1.2;margin:0}
.section-desc{max-width:590px;color:var(--muted);margin:0}
.section-dark .section-desc{color:#aebbd0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(26,48,74,.08)}
.card-num{font-size:12px;font-weight:900;color:var(--blue);letter-spacing:.12em;margin-bottom:22px}
.card h3{font-size:21px;margin:0 0 10px}
.card p{margin:0;color:var(--muted);font-size:15px}
.iconbox{width:46px;height:46px;border-radius:14px;background:#edf5fb;display:grid;place-items:center;margin-bottom:20px;color:var(--blue);font-weight:900}

.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.quote-box{border-radius:28px;padding:42px;background:linear-gradient(145deg,#0d2036,#173f68);color:#fff;box-shadow:var(--shadow)}
.quote-box small{color:#8bcfc6;font-weight:800;letter-spacing:.1em}
.quote-box h3{font-size:31px;line-height:1.4;margin:14px 0 18px}
.quote-box p{color:#c9d4df;margin:0}

.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.metric{padding:20px 0;border-top:1px solid var(--line)}
.metric strong{font-size:28px;color:var(--blue)}
.metric span{display:block;font-size:13px;color:var(--muted);margin-top:4px}

.solution-stack{display:grid;gap:16px}
.solution-row{display:grid;grid-template-columns:80px 1fr;gap:20px;padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}
.solution-badge{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:900}
.solution-row h3{margin:0 0 7px;font-size:20px}
.solution-row p{margin:0;color:var(--muted);font-size:15px}

.client-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.client{min-height:108px;border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;font-weight:800;color:#344054;background:#fff}

.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.trust-card{padding:28px;border-radius:18px;background:#12263f;border:1px solid rgba(255,255,255,.08)}
.trust-card b{display:block;font-size:12px;letter-spacing:.12em;color:#82d2c7;margin-bottom:10px}
.trust-card h3{margin:0 0 8px;font-size:20px}
.trust-card p{margin:0;color:#aebbd0;font-size:14px}

.cta{padding:90px 0;background:linear-gradient(135deg,#14558e,#0b355d);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(32px,4vw,48px);line-height:1.2;margin:0 0 10px}
.cta p{margin:0;color:#c9d9e7}

.site-footer{background:#091521;color:#b8c4cf;padding:42px 0 28px}
.footer-top{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-logo{width:160px;filter:brightness(0) invert(1);opacity:.92;margin-bottom:18px}
.footer-info{font-size:13px;line-height:1.9}
.footer-links{display:flex;justify-content:flex-end;gap:24px;font-size:13px;color:#d6dde4}
.copyright{padding-top:22px;font-size:12px;color:#788797}

.page-hero{padding:90px 0 70px;background:linear-gradient(180deg,#f8fbfe 0%,#fff 100%);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(40px,5vw,62px);margin:8px 0 14px;letter-spacing:-.04em}
.page-hero p{margin:0;color:var(--muted);max-width:720px}
.info-table{border-top:2px solid var(--navy)}
.info-row{display:grid;grid-template-columns:180px 1fr;border-bottom:1px solid var(--line);padding:18px 0}
.info-row b{color:#344054}
.info-row span{color:#667085}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px}
.contact-card{border:1px solid var(--line);border-radius:20px;padding:30px}
.map-placeholder{min-height:370px;border-radius:20px;background:linear-gradient(135deg,#eaf2f8,#dbe7f0);display:flex;align-items:center;justify-content:center;text-align:center;color:#667085;border:1px solid #dce5ed}

@media (max-width: 960px){
  .nav{position:fixed;left:20px;right:20px;top:86px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:20px;display:none;flex-direction:column;align-items:stretch;gap:6px}
  .nav.open{display:flex}
  .menu-btn{display:block}
  .hero{min-height:auto;padding:82px 0}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .hero-visual{height:430px}
  .grid-3{grid-template-columns:1fr 1fr}
  .client-grid{grid-template-columns:repeat(2,1fr)}
  .trust{grid-template-columns:1fr}
  .section-head{align-items:flex-start;flex-direction:column}
  .footer-top{grid-template-columns:1fr}
  .footer-links{justify-content:flex-start;flex-wrap:wrap}
}
@media (max-width: 640px){
  .container{width:min(100% - 28px,1180px)}
  .header-inner{height:70px}
  .brand img{width:155px}
  .hero{padding:62px 0}
  .hero h1{font-size:44px}
  .hero p{font-size:17px}
  .hero-visual{height:390px;padding:24px}
  .flow{left:24px;right:24px;bottom:24px;grid-template-columns:1fr 1fr}
  .section{padding:78px 0}
  .grid-3,.metric-row,.client-grid{grid-template-columns:1fr}
  .section-title{font-size:34px}
  .cta-inner{align-items:flex-start;flex-direction:column}
  .info-row{grid-template-columns:1fr;gap:5px}
}


/* CTA CONTACT US button */
.cta .btn-ghost {
  background: #ffffff;
  color: #14558e;
  border-color: #ffffff;
}
.cta .btn-ghost:hover {
  background: transparent;
  color: #ffffff;
  border-color: #ffffff;
}


/* ===== Language switcher ===== */
.header-actions{display:flex;align-items:center;gap:14px}
.lang-switch{position:relative}
.lang-current{
  min-width:58px;height:38px;padding:0 12px;border:1px solid var(--line);background:#fff;
  border-radius:10px;font-size:12px;font-weight:800;color:#344054;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:6px
}
.lang-current:after{content:"▾";font-size:10px;color:#8391a2}
.lang-menu{
  position:absolute;right:0;top:46px;min-width:148px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);border-radius:12px;padding:7px;display:none;z-index:1200
}
.lang-switch.open .lang-menu{display:block}
.lang-menu a{display:block;padding:9px 11px;border-radius:8px;font-size:13px;font-weight:700;color:#465363}
.lang-menu a:hover,.lang-menu a.active{background:#eef5fb;color:var(--blue)}
@media(max-width:960px){
  .header-actions{gap:8px}
  .nav{z-index:1100}
}
@media(max-width:640px){
  .lang-current{min-width:52px;padding:0 9px}
}

/* ===== HERO AI MOTION ===== */
.ai-orbit{
  position:absolute;width:260px;height:260px;right:38px;top:150px;z-index:2;pointer-events:none;
}
.ai-glow{
  position:absolute;inset:38px;border-radius:50%;
  background:radial-gradient(circle,rgba(66,173,232,.32) 0%,rgba(46,121,175,.10) 48%,rgba(0,0,0,0) 72%);
  animation:aiGlowPulse 2.8s ease-in-out infinite;
}
.ai-core{
  position:absolute;left:50%;top:50%;width:92px;height:92px;margin:-46px 0 0 -46px;
  display:grid;place-items:center;border-radius:28px;background:linear-gradient(145deg,#2f91d1,#14517f);
  color:#fff;font-size:36px;font-weight:900;letter-spacing:-.05em;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 0 28px rgba(92,190,236,.28),inset 0 0 18px rgba(255,255,255,.08);
  animation:aiCorePulse 2.6s ease-in-out infinite;
}
.orbit{position:absolute;left:50%;top:50%;border-radius:50%;border:1px solid rgba(255,255,255,.22)}
.orbit span{
  position:absolute;width:11px;height:11px;border-radius:50%;background:#8be0d5;
  box-shadow:0 0 16px rgba(139,224,213,.95);left:50%;top:-6px;margin-left:-5.5px
}
.orbit-1{width:142px;height:142px;margin:-71px 0 0 -71px;animation:aiSpin 5s linear infinite}
.orbit-2{
  width:198px;height:198px;margin:-99px 0 0 -99px;border-style:dashed;
  border-color:rgba(125,201,239,.28);animation:aiSpinReverse 8s linear infinite
}
.orbit-2 span{top:auto;bottom:-5px;background:#74b9e9;box-shadow:0 0 14px rgba(116,185,233,.95)}
.orbit-3{
  width:252px;height:252px;margin:-126px 0 0 -126px;border-color:rgba(255,255,255,.13);
  animation:aiSpin 13s linear infinite
}
.orbit-3 span{left:auto;right:22px;top:28px;width:8px;height:8px;background:#fff;box-shadow:0 0 12px rgba(255,255,255,.8)}
@keyframes aiSpin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes aiSpinReverse{from{transform:rotate(0)}to{transform:rotate(-360deg)}}
@keyframes aiCorePulse{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}
@keyframes aiGlowPulse{0%,100%{transform:scale(.94);opacity:.55}50%{transform:scale(1.08);opacity:1}}
@media(max-width:960px){.ai-orbit{right:44px;top:135px;transform:scale(.9);transform-origin:top right}}
@media(max-width:640px){.ai-orbit{right:50%;top:128px;transform:translateX(50%) scale(.72);transform-origin:center}}


/* ===== Actual flag image icons ===== */
.flag-img{
  width:24px;
  height:16px;
  object-fit:cover;
  border-radius:2px;
  box-shadow:0 0 0 1px rgba(16,24,40,.12);
  flex:0 0 auto;
}
.lang-current .flag-img{margin-right:3px}
.lang-menu a{
  display:flex;
  align-items:center;
  gap:8px;
}


/* ===== FINAL: compact one-line language menu ===== */
.lang-switch{
  position:relative;
  flex:0 0 auto;
}

.lang-current{
  min-width:76px;
  height:38px;
  padding:0 12px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  font-size:12px;
  font-weight:800;
  color:#344054;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  white-space:nowrap;
}

.lang-current:after{
  content:"▾";
  font-size:9px;
  color:#8391a2;
  margin-left:1px;
}

.lang-menu{
  position:absolute;
  right:0;
  top:46px;
  width:176px;
  min-width:176px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 14px 34px rgba(15,36,58,.16);
  border-radius:12px;
  padding:6px;
  display:none;
  z-index:1200;
}

.lang-switch.open .lang-menu{
  display:block;
}

.lang-menu a{
  width:100%;
  min-height:38px;
  padding:8px 10px;
  border-radius:8px;
  font-size:12px;
  font-weight:700;
  color:#465363;
  display:flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  line-height:1;
  box-sizing:border-box;
}

.lang-menu a:hover,
.lang-menu a.active{
  background:#eef5fb;
  color:var(--blue);
}

.lang-menu a + a{
  margin-top:2px;
}

.flag-img{
  width:24px;
  height:16px;
  object-fit:cover;
  border-radius:2px;
  box-shadow:0 0 0 1px rgba(16,24,40,.12);
  flex:0 0 24px;
  display:block;
}

.lang-current .flag-img{
  margin:0;
}

@media(max-width:960px){
  .lang-menu{
    width:168px;
    min-width:168px;
  }
}

@media(max-width:640px){
  .lang-current{
    min-width:68px;
    height:36px;
    padding:0 10px;
  }
  .lang-menu{
    right:0;
    width:164px;
    min-width:164px;
  }
  .lang-menu a{
    font-size:12px;
    min-height:36px;
    padding:7px 9px;
  }
}