:root{
  --navy:#071526;
  --navy-2:#0d2238;
  --blue:#0b76d1;
  --cyan:#20b7d5;
  --sky:#eaf6fb;
  --line:#dfe7ee;
  --text:#152235;
  --muted:#68788a;
  --white:#ffffff;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",Arial,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}

.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(15,42,67,.08);
}
.header-inner{
  height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px;
}
.brand{display:flex;align-items:center;gap:13px;min-width:max-content}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#fff;font-weight:900;font-size:21px;
  box-shadow:0 10px 24px rgba(11,118,209,.22);
}
.brand-copy strong{display:block;font-size:20px;letter-spacing:-.5px}
.brand-copy span{display:block;font-size:11px;color:#708296;margin-top:-3px}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{font-size:14px;font-weight:700;color:#36475a;position:relative}
.main-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--blue);transition:.25s}
.main-nav a:hover:after,.main-nav a.active:after{right:0}
.header-contact{font-size:13px;font-weight:800;color:var(--blue);white-space:nowrap}
.menu-toggle{display:none;border:0;background:transparent;font-size:25px}

.hero{
  min-height:760px;padding:150px 0 90px;position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 16% 20%,rgba(32,183,213,.18),transparent 28%),
    radial-gradient(circle at 85% 30%,rgba(11,118,209,.20),transparent 32%),
    linear-gradient(135deg,#04101d 0%,#0b2138 58%,#0b4d75 100%);
  color:#fff;
}
.hero:before{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:
   linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(to bottom,black,transparent 92%);
}
.hero:after{
  content:"";position:absolute;width:620px;height:620px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);right:-180px;top:110px;
  box-shadow:0 0 0 70px rgba(255,255,255,.025),0 0 0 150px rgba(255,255,255,.018);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:70px;
}
.eyebrow{font-size:13px;letter-spacing:2px;font-weight:800;color:#7ee4f2;margin-bottom:18px}
.hero h1{
  font-size:58px;line-height:1.18;letter-spacing:-2.4px;margin:0 0 24px;font-weight:900;
}
.hero h1 span{color:#83e5f4}
.hero-desc{max-width:720px;color:#d5e3ef;font-size:19px;margin-bottom:34px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:50px;
  padding:0 25px;border-radius:10px;font-weight:800;font-size:15px;border:1px solid transparent;
  transition:.25s;
}
.btn-primary{background:#fff;color:#0a4671}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.btn-outline{border-color:rgba(255,255,255,.4);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.hero-visual{
  background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.18);
  border-radius:30px;padding:26px;box-shadow:0 35px 90px rgba(0,0,0,.3);
}
.visual-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.visual-head strong{font-size:15px}
.visual-head span{font-size:12px;color:#9ed7e9}
.network-map{
  height:300px;border-radius:22px;position:relative;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
    radial-gradient(circle at 45% 50%,rgba(32,183,213,.28),transparent 42%),
    #061728;
  background-size:34px 34px,34px 34px,auto,auto;
}
.network-map svg{position:absolute;inset:0;width:100%;height:100%}
.visual-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.visual-metrics div{padding:15px;border-radius:16px;background:rgba(255,255,255,.08)}
.visual-metrics span{display:block;font-size:11px;color:#9fb4c7}
.visual-metrics strong{display:block;font-size:25px;margin-top:4px}

.section{padding:105px 0}
.section-soft{background:#f5f9fc}
.section-dark{background:var(--navy);color:#fff}
.section-head{max-width:850px;margin-bottom:48px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-label{font-size:13px;color:var(--blue);letter-spacing:1.7px;font-weight:900;margin-bottom:10px}
.section-dark .section-label{color:#6bddec}
.section-head h2{font-size:40px;line-height:1.3;letter-spacing:-1.5px;margin:0 0 16px}
.section-head p{color:var(--muted);font-size:18px;margin:0}
.section-dark .section-head p{color:#b8c9d8}

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about-copy h3{font-size:32px;line-height:1.38;margin:0 0 20px}
.about-copy p{color:var(--muted);font-size:17px;margin:0 0 16px}
.about-panel{
  border-radius:26px;min-height:390px;padding:34px;
  background:linear-gradient(145deg,#e9f5fa,#ffffff);
  border:1px solid #d9e8ef;position:relative;overflow:hidden;
}
.about-panel:after{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;
  right:-70px;bottom:-70px;background:linear-gradient(135deg,rgba(32,183,213,.18),rgba(11,118,209,.05));
}
.about-list{display:grid;gap:20px;position:relative;z-index:1}
.about-list div{display:grid;grid-template-columns:80px 1fr;gap:18px;padding-bottom:19px;border-bottom:1px solid #d9e5ec}
.about-list span{font-size:12px;color:var(--blue);font-weight:900;letter-spacing:1px}
.about-list strong{font-size:18px}

.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.solution-card{
  min-height:265px;padding:30px;border-radius:22px;background:#fff;border:1px solid var(--line);
  transition:.25s;position:relative;overflow:hidden;
}
.solution-card:hover{transform:translateY(-5px);box-shadow:0 22px 45px rgba(17,50,80,.1)}
.solution-num{font-size:12px;color:var(--blue);font-weight:900}
.solution-card h3{font-size:22px;margin:40px 0 12px}
.solution-card p{color:var(--muted);margin:0}
.solution-card:after{
  content:"";position:absolute;width:90px;height:90px;border-radius:50%;
  right:-30px;bottom:-30px;background:linear-gradient(135deg,rgba(32,183,213,.15),rgba(11,118,209,.05));
}

.tech-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14)}
.tech-item{padding:34px 20px;border-right:1px solid rgba(255,255,255,.14)}
.tech-item:last-child{border-right:0}
.tech-item small{color:#69d8e9;font-weight:900;letter-spacing:1px}
.tech-item strong{display:block;margin-top:30px;font-size:20px}
.tech-item p{color:#aebfce;font-size:14px;margin-bottom:0}

.projects-list{display:grid;gap:0;border-top:1px solid var(--line)}
.project-row{display:grid;grid-template-columns:110px 1fr 170px;gap:30px;padding:28px 6px;border-bottom:1px solid var(--line);align-items:center}
.project-row span{font-size:13px;color:var(--blue);font-weight:900}
.project-row strong{font-size:20px}
.project-row em{font-style:normal;text-align:right;color:var(--muted);font-size:14px}
.project-note{font-size:14px;color:#7c8998;margin-top:20px}

.cta{
  padding:80px 0;background:linear-gradient(135deg,#0b2138,#0b5c86);color:#fff;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:34px;margin:0 0 8px}
.cta p{margin:0;color:#d7e7f0}

.page-hero{
  padding:150px 0 82px;background:linear-gradient(135deg,#061323,#0d3659);color:#fff;
}
.page-hero h1{font-size:48px;margin:0 0 14px;letter-spacing:-1.7px}
.page-hero p{margin:0;color:#c8d9e6;font-size:18px}

.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px}
.contact-card,.contact-form{border:1px solid var(--line);border-radius:24px;padding:32px;background:#fff}
.contact-card h3,.contact-form h3{font-size:25px;margin:0 0 26px}
.contact-list{display:grid;gap:20px}
.contact-list div{padding-bottom:20px;border-bottom:1px solid var(--line)}
.contact-list span{display:block;font-size:12px;color:var(--blue);font-weight:900;margin-bottom:6px}
.contact-list strong{font-size:17px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
.contact-form label{display:block;font-size:13px;font-weight:800;margin-bottom:7px}
.contact-form input,.contact-form textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:13px 14px;background:#fbfdff;
}
.contact-form textarea{min-height:140px;resize:vertical}
.contact-form button{margin-top:14px;border:0;background:var(--blue);color:#fff;padding:13px 20px;border-radius:10px;font-weight:800;cursor:pointer}

.site-footer{background:#050f1c;color:#9dafc1;padding:46px 0 30px}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:end}
.footer-brand strong{display:block;color:#fff;font-size:20px}
.footer-brand p{margin:10px 0 0;font-size:14px}
.footer-info{text-align:right;font-size:13px;line-height:1.9}
.footer-bottom{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:12px}

.reveal{opacity:0;transform:translateY(22px);transition:.7s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:980px){
  .main-nav{display:none;position:absolute;top:78px;left:0;width:100%;padding:20px 24px;background:#fff;box-shadow:0 16px 30px rgba(20,40,60,.12);flex-direction:column;align-items:flex-start}
  .main-nav.open{display:flex}
  .menu-toggle{display:block}
  .header-contact{display:none}
  .hero-inner,.about-grid,.contact-grid{grid-template-columns:1fr}
  .hero h1{font-size:43px}
  .hero-visual{max-width:620px}
  .solution-grid{grid-template-columns:1fr 1fr}
  .tech-grid{grid-template-columns:1fr 1fr}
  .tech-item:nth-child(2n){border-right:0}
  .project-row{grid-template-columns:80px 1fr}
  .project-row em{grid-column:2;text-align:left}
}
@media(max-width:650px){
  .container{width:min(100% - 30px,var(--max))}
  .hero{padding-top:125px;min-height:auto}
  .hero h1{font-size:36px}
  .hero-desc{font-size:16px}
  .section{padding:78px 0}
  .section-head h2{font-size:31px}
  .solution-grid,.tech-grid,.form-grid{grid-template-columns:1fr}
  .tech-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}
  .visual-metrics{grid-template-columns:1fr}
  .cta-inner,.footer-grid{flex-direction:column;display:flex;align-items:flex-start}
  .footer-info{text-align:left}
  .page-hero h1{font-size:38px}
}

.privacy-check{
  display:flex !important;
  align-items:flex-start;
  gap:9px;
  margin-top:16px !important;
  color:#68788a;
  font-size:13px !important;
  font-weight:500 !important;
}
.privacy-check input{
  width:auto !important;
  margin-top:4px;
}

.trust-strip{
  background:#ffffff;
  border-bottom:1px solid var(--line);
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.trust-grid div{
  padding:24px 26px;
  border-right:1px solid var(--line);
}
.trust-grid div:last-child{border-right:0}
.trust-grid strong{
  display:block;
  color:var(--navy);
  font-size:16px;
  margin-bottom:4px;
}
.trust-grid span{
  color:var(--muted);
  font-size:13px;
}
@media(max-width:800px){
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-grid div:nth-child(2){border-right:0}
}
@media(max-width:520px){
  .trust-grid{grid-template-columns:1fr}
  .trust-grid div{border-right:0;border-bottom:1px solid var(--line)}
}

/* SEO content sections use existing corporate styles */

.blog-section{
  background:#ffffff;
}
.blog-panel{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  padding:44px 48px;
  border:1px solid var(--line);
  border-radius:26px;
  background:linear-gradient(135deg,#f7fbfd,#eef7fb);
  box-shadow:0 18px 45px rgba(17,50,80,.07);
}
.blog-panel h2{
  margin:0 0 12px;
  font-size:32px;
  letter-spacing:-1px;
}
.blog-panel p{
  margin:0;
  color:var(--muted);
  font-size:16px;
}
.blog-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:210px;
  min-height:50px;
  padding:0 22px;
  border-radius:10px;
  background:#03c75a;
  color:#fff;
  font-weight:900;
  box-shadow:0 12px 28px rgba(3,199,90,.22);
}
.blog-button:hover{
  transform:translateY(-2px);
}
.footer-blog-link{
  color:#7ee4f2;
  font-weight:800;
}
@media(max-width:760px){
  .blog-panel{
    flex-direction:column;
    align-items:flex-start;
    padding:32px 26px;
  }
  .blog-button{
    width:100%;
  }
}

.hidden-field{
  position:absolute !important;
  left:-9999px !important;
  width:1px !important;
  height:1px !important;
  overflow:hidden !important;
}
.form-intro{
  margin:-12px 0 22px;
  color:var(--muted);
  font-size:14px;
}

/* 산과 호수 영상 배경 - 기존 글과 구성은 그대로 유지 */
.hero{
  background:#0a2a3f !important;
  isolation:isolate;
}
.hero-video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  z-index:-3;
}
.hero-video-overlay{
  position:absolute;
  inset:0;
  z-index:-2;
  background:linear-gradient(
    90deg,
    rgba(3,15,28,.82) 0%,
    rgba(4,25,43,.55) 52%,
    rgba(7,54,77,.20) 100%
  );
}
.hero:before,
.hero:after{
  z-index:-1;
}
.hero-inner{
  position:relative;
  z-index:2;
}
@media (prefers-reduced-motion: reduce){
  .hero-video{display:none}
  .hero{
    background:
      linear-gradient(90deg,rgba(3,15,28,.82),rgba(4,25,43,.55)),
      url("hero-nature.svg") center/cover no-repeat !important;
  }
}

.hero-mobile-fallback{display:none;position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-3}
.hero.video-fallback .hero-video{display:none}
.hero.video-fallback .hero-mobile-fallback{display:block}
@media(max-width:768px){
  .hero{min-height:720px}
  .hero-video{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
  .hero-video-overlay{background:linear-gradient(180deg,rgba(3,15,28,.42),rgba(4,25,43,.58),rgba(3,15,28,.78))}
}


/* Hero 우측 데이터 시각화 카드 제거 후 단일 컬럼 정렬 */
.hero-inner{
  display:flex;
  align-items:center;
  min-height:inherit;
}
.hero-inner > .reveal{
  width:min(760px,100%);
}
@media(max-width:980px){
  .hero-inner{display:flex;}
}


/* 회사실적 */
.performance-section{background:linear-gradient(180deg,#fff 0%,#f6fafc 100%)}
.performance-highlight{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:34px}
.performance-highlight>div{padding:28px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 16px 40px rgba(17,50,80,.06)}
.performance-highlight span{display:block;color:var(--blue);font-size:13px;font-weight:900;letter-spacing:1.3px;margin-bottom:8px}
.performance-highlight strong{display:block;font-size:21px;margin-bottom:9px;color:var(--navy)}
.performance-highlight p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.performance-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.performance-card{padding:32px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 18px 45px rgba(17,50,80,.06)}
.performance-card.featured{grid-column:1/-1;background:linear-gradient(135deg,#071526,#0b4d75);color:#fff;border-color:transparent}
.performance-meta{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:22px}
.performance-year{font-size:12px;font-weight:900;letter-spacing:1.4px;color:var(--blue)}
.featured .performance-year{color:#7ee4f2}
.performance-status{padding:6px 11px;border-radius:999px;background:#eaf6fb;color:#0871b8;font-size:12px;font-weight:900}
.performance-status.done{background:#eaf8f1;color:#168456}
.performance-card h3{margin:0 0 13px;font-size:24px;line-height:1.4;letter-spacing:-.6px}
.performance-card p{margin:0;color:var(--muted);font-size:15px}
.performance-card.featured p{color:#d5e3ef;font-size:16px}
.performance-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}
.performance-tags span{padding:6px 10px;border-radius:8px;background:#f1f6f9;color:#526579;font-size:12px;font-weight:800}
.featured .performance-tags span{background:rgba(255,255,255,.11);color:#dff8fb}
.performance-note{margin:27px 0 0;color:var(--muted);font-size:13px}
.performance-cta{display:flex;align-items:center;justify-content:space-between;gap:36px}
.performance-cta h2{font-size:36px;margin:0 0 10px}
.performance-cta p{margin:0;color:#b8c9d8}
@media(max-width:900px){.performance-highlight{grid-template-columns:1fr}.performance-list{grid-template-columns:1fr}.performance-card.featured{grid-column:auto}.performance-cta{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){.performance-card,.performance-highlight>div{padding:24px 21px}.performance-card h3{font-size:21px}.performance-meta{align-items:flex-start;flex-direction:column}.performance-cta h2{font-size:30px}}