:root{
  --navy:#082e63;--blue:#1268c4;--sky:#eaf4ff;--mint:#20b7a5;--ink:#172536;
  --muted:#607083;--line:#dce5ef;--paper:#f6f8fb;--white:#fff;--warm:#f4efe7;
  --max:1180px;--shadow:0 18px 50px rgba(13,48,87,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
a:focus-visible,button:focus-visible{outline:3px solid #ffb000;outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:#000;color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:12px;top:12px}
.wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.site-head .wrap{min-height:72px;display:flex;align-items:center;gap:28px}
.brand img{width:auto;height:30px}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.site-nav a{padding:10px 13px;border-radius:9px;text-decoration:none;font-size:14px;font-weight:650;color:#33455a}
.site-nav a:hover,.site-nav a[aria-current="page"]{background:var(--sky);color:var(--blue)}
.head-contact{margin-left:6px!important;background:var(--blue)!important;color:#fff!important}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#052655 0%,#0b4d91 62%,#087e92 100%);color:#fff;padding:76px 0 72px}
.hero.adoc{background:linear-gradient(135deg,#292019 0%,#574133 60%,#8b6751 100%)}
.hero::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-180px;top:-260px;background:rgba(255,255,255,.07)}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,.92fr) minmax(440px,1.08fr);gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;padding:7px 13px;border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(255,255,255,.1);font-size:13px;font-weight:750;letter-spacing:.02em}
.hero h1{margin:0 0 18px;font-size:clamp(40px,5.2vw,70px);line-height:1.04;letter-spacing:-.045em}
.hero h1 small{display:block;margin-top:12px;font-size:.34em;font-weight:550;letter-spacing:-.015em;opacity:.86}
.lead{margin:0 0 28px;max-width:35em;color:rgba(255,255,255,.9);font-size:19px;word-break:keep-all}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:10px;text-decoration:none;font-weight:750;font-size:15px}
.btn-primary{background:#fff;color:var(--navy)}
.btn-ghost{border-color:rgba(255,255,255,.58);color:#fff;background:rgba(255,255,255,.06)}
.hero-visual{margin:0;padding:10px;background:#fff;border-radius:18px;box-shadow:0 26px 70px rgba(0,0,0,.3);overflow:hidden}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:11px}
.hero-visual figcaption{padding:10px 8px 2px;color:#506070;font-size:12px}
.proof-strip{background:#fff;border-bottom:1px solid var(--line)}
.proof-strip .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.proof-item{padding:22px 26px;border-left:1px solid var(--line)}
.proof-item:last-child{border-right:1px solid var(--line)}
.proof-item strong{display:block;color:var(--navy);font-size:18px;letter-spacing:-.02em}
.proof-item span{font-size:13px;color:var(--muted)}
.section{padding:86px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section.warm{background:var(--warm)}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
.kicker{margin:0 0 8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.section h2{margin:0;font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:-.035em}
.section-intro{max-width:39em;margin:0;color:var(--muted);font-size:16px;word-break:keep-all}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{min-height:190px;padding:25px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 8px 30px rgba(15,50,90,.05)}
.feature .num{display:grid;place-items:center;width:34px;height:34px;margin-bottom:20px;border-radius:10px;background:var(--sky);color:var(--blue);font-size:13px;font-weight:850}
.feature h3{margin:0 0 9px;font-size:19px;letter-spacing:-.025em}
.feature p{margin:0;color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.image-card{margin:0;border:1px solid var(--line);border-radius:18px;background:#fff;padding:9px;box-shadow:var(--shadow);overflow:hidden}
.image-card img{width:100%;border-radius:11px;object-fit:cover}
.image-card figcaption{padding:10px 8px 2px;color:var(--muted);font-size:12px}
.bullet-list{display:grid;gap:12px;margin:24px 0 0;padding:0;list-style:none}
.bullet-list li{position:relative;padding:15px 16px 15px 48px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:15px}
.bullet-list li::before{content:"✓";position:absolute;left:17px;top:14px;color:var(--mint);font-weight:900}
.evidence{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;align-items:center}
.cert-img{max-width:420px;margin:0 auto;padding:12px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
.cert-img img{width:100%;max-height:570px;object-fit:contain}
.fact-table{display:grid;grid-template-columns:150px 1fr;border-top:1px solid var(--line)}
.fact-table dt,.fact-table dd{margin:0;padding:14px 4px;border-bottom:1px solid var(--line)}
.fact-table dt{color:var(--muted);font-size:13px;font-weight:700}
.fact-table dd{font-weight:650}
.note{margin:18px 0 0;padding:14px 16px;border-radius:10px;background:#fff4db;color:#6b4b12;font-size:13px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery.four{grid-template-columns:repeat(4,1fr)}
.gallery figure{margin:0;padding:8px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
.gallery img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:8px}
.gallery figure.document img{object-fit:contain;background:#f7f8fa}
.gallery figcaption{padding:10px 6px 5px;color:var(--muted);font-size:13px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
.metric{padding:22px 16px;text-align:center;border:1px solid rgba(255,255,255,.22);border-radius:14px;background:rgba(255,255,255,.08)}
.metric strong{display:block;font-size:35px;line-height:1.1;color:#fff}
.metric span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.8)}
.workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:w}
.workflow li{position:relative;list-style:none;padding:25px 18px 22px;border-radius:14px;background:#fff;border:1px solid var(--line);min-height:150px}
.workflow li::before{counter-increment:w;content:"0" counter(w);display:block;margin-bottom:12px;color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.08em}
.workflow strong{display:block;margin-bottom:6px;font-size:17px}
.workflow span{color:var(--muted);font-size:13px}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.milestone{padding:24px;border-top:4px solid var(--blue);background:#fff;border-radius:0 0 14px 14px;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.milestone .year{font-size:12px;font-weight:800;color:var(--blue);letter-spacing:.08em}
.milestone h3{margin:7px 0 9px;font-size:20px}
.milestone p{margin:0;color:var(--muted);font-size:14px}
.cta{padding:68px 0;background:linear-gradient(125deg,#082e63,#086f8a);color:#fff}
.cta.adoc{background:linear-gradient(125deg,#32231a,#7b5944)}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{margin:0 0 6px;font-size:31px;letter-spacing:-.03em}
.cta p{margin:0;color:rgba(255,255,255,.82)}
.footer{padding:30px 0;background:#111c29;color:#afbac7;font-size:13px}
.footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer a{color:#fff}
@media(max-width:920px){
  .hero{padding:56px 0}.hero-grid{grid-template-columns:1fr;gap:34px}.hero-visual{max-width:760px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}.split,.evidence{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.section-intro{max-width:none}
  .workflow{grid-template-columns:repeat(2,1fr)}.gallery,.gallery.four{grid-template-columns:1fr 1fr}.metrics{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  .wrap{width:min(100% - 28px,var(--max))}.site-head .wrap{min-height:62px}.brand img{height:25px}.site-nav a{display:none}.site-nav a[aria-current="page"]{display:block}.head-contact{display:block!important;padding:8px 10px!important}
  .hero{padding:44px 0 46px}.hero-grid{gap:27px}.hero h1{font-size:40px}.lead{font-size:17px}.hero-visual{padding:6px;border-radius:12px}.hero-visual img{border-radius:7px}
  .proof-strip .wrap{grid-template-columns:1fr}.proof-item{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 18px}.proof-item:last-child{border-bottom:0}
  .section{padding:62px 0}.section-head{margin-bottom:25px}.feature-grid,.gallery,.gallery.four,.timeline{grid-template-columns:1fr}.feature{min-height:auto}.workflow{grid-template-columns:1fr;padding:0}.metrics{grid-template-columns:1fr 1fr}.metric strong{font-size:29px}
  .fact-table{grid-template-columns:112px 1fr}.cta .wrap{align-items:flex-start;flex-direction:column}.cta h2{font-size:26px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}