*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --g:#2A736D;--g2:#1d5450;--g3:#3a9990;--g4:#5dbdb7;
  --ink:#112522;--off:#f6faf9;--muted:#52706c;--border:#d9e8e6;
  --white:#fff;--ease:cubic-bezier(0.16,1,0.3,1);
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:'Noto Sans KR',sans-serif;color:var(--ink);background:var(--off);overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{display:block;max-width:100%;height:auto}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:9999;padding:12px 20px;background:var(--g);color:#fff;font-size:13px;
}
.skip-link:focus{left:16px;top:16px}

#header{
  position:fixed;top:0;left:0;right:0;z-index:500;height:68px;display:flex;align-items:center;justify-content:space-between;
  padding:0 56px;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);
  transition:box-shadow .35s var(--ease);
}
#header.shadow{box-shadow:0 8px 28px rgba(17,37,34,.06)}
.h-logo{display:flex;align-items:center;line-height:0;flex-shrink:0}
.h-logo img{height:32px;width:auto;object-fit:contain;max-width:none}
.h-nav{display:flex;align-items:center;gap:32px}
.h-nav a{font-size:12px;font-weight:400;color:var(--muted);transition:color .2s;letter-spacing:.3px}
.h-nav a:hover{color:var(--g)}
.h-item{position:relative}
.h-link{font-size:13px;font-weight:500;color:var(--ink)!important;padding:8px 0;display:inline-block}
.h-sub{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(4px);min-width:220px;
  background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:12px;padding:10px 12px;
  display:flex;flex-direction:column;gap:2px;box-shadow:0 12px 28px rgba(0,0,0,.08);
  opacity:0;pointer-events:none;transition:all .18s;z-index:600;
}
.h-item:hover .h-sub{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.h-sub a{font-size:12px!important;color:#35514d!important;padding:8px 10px;border-radius:8px}
.h-sub a:hover{background:rgba(42,115,109,.08)!important;color:var(--g)!important}
.h-cta{
  font-size:12px!important;font-weight:600!important;color:var(--g)!important;border:1px solid var(--g)!important;
  padding:7px 18px!important;border-radius:100px!important;transition:all .2s!important;
}
.h-cta:hover{background:var(--g)!important;color:#fff!important}

.h-menu-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;z-index:600;background:none;border:none}
.h-menu-btn span{display:block;width:22px;height:1.5px;background:var(--ink);transition:all .3s}
.h-menu-btn.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.h-menu-btn.open span:nth-child(2){opacity:0}
.h-menu-btn.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

.mobile-nav{
  position:fixed;inset:0;background:rgba(17,37,34,.97);backdrop-filter:blur(20px);z-index:490;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;
  opacity:0;pointer-events:none;transition:opacity .35s ease;
}
.mobile-nav.open{opacity:1;pointer-events:auto}
.mobile-nav a{
  font-family:'Noto Serif KR',serif;font-size:clamp(22px,6vw,32px);font-weight:200;color:rgba(255,255,255,.7);
  padding:10px 0;letter-spacing:-.5px;transition:color .2s;
}
.mobile-nav a:hover{color:var(--g4)}
.mobile-nav .m-cta{
  margin-top:24px;font-size:13px!important;font-weight:600!important;color:var(--g4)!important;
  border:1px solid var(--g)!important;padding:10px 28px!important;border-radius:100px!important;
}

.sub-hero{
  margin-top:68px;height:50vh;min-height:360px;padding-bottom:56px;background:var(--ink);
  position:relative;overflow:hidden;display:flex;align-items:flex-end;
}
.sub-hero::before{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(42,115,109,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(42,115,109,.06) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.sub-hero-inner{position:relative;z-index:1;max-width:1280px;width:100%;margin:0 auto;padding:0 80px}
.sub-ey{font-size:9px;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--g4);margin-bottom:14px;display:flex;align-items:center;gap:12px}
.sub-ey::before{content:'';width:32px;height:1px;background:var(--g4);flex-shrink:0}
.sub-h1{
  font-family:'Noto Serif KR',serif;font-size:clamp(32px,5vw,60px);font-weight:200;color:#fff;line-height:1.12;letter-spacing:-2px;margin-bottom:14px;
}
.sub-h1 strong{font-weight:400}
.sub-lead{font-size:15px;font-weight:400;color:rgba(255,255,255,.62);max-width:460px;line-height:1.8}

.sub-local{border-bottom:1px solid var(--border);background:var(--white);position:sticky;top:68px;z-index:40}
.sub-local-inner{max-width:1280px;margin:0 auto;padding:0 80px;display:flex}
.sub-local-inner a{
  font-size:13px;font-weight:400;color:var(--muted);padding:18px 24px;border-bottom:2px solid transparent;
  transition:all .2s;display:inline-block;white-space:nowrap;
}
.sub-local-inner a:hover{color:var(--g)}
.sub-local-inner a.is-active{color:var(--g);font-weight:600;border-bottom-color:var(--g)}

.sub-main{padding:64px 0 100px}
.si{max-width:1280px;margin:0 auto;padding:0 80px}

.sub-prose{max-width:720px}
.sub-prose p{font-size:15px;font-weight:400;color:var(--muted);line-height:1.95;margin-bottom:1.25em}
.sub-prose h2{
  font-family:'Noto Serif KR',serif;font-size:22px;font-weight:300;color:var(--ink);margin:2em 0 .75em;letter-spacing:-.3px;
}
.sub-prose h2:first-child{margin-top:0}

.sub-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.sub-card{
  border:1px solid var(--border);padding:28px 24px;background:var(--white);border-radius:4px;
  transition:box-shadow .25s var(--ease),border-color .25s;
}
.sub-card:hover{border-color:rgba(42,115,109,.25);box-shadow:0 12px 32px rgba(42,115,109,.08)}
.sub-card h3{font-size:13px;font-weight:600;color:var(--g);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
.sub-card p{font-size:13.5px;font-weight:400;color:var(--muted);line-height:1.75}

.sub-cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.sub-btn{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--g);
  border:1px solid var(--g);padding:10px 22px;border-radius:100px;transition:all .2s;background:var(--white);
}
.sub-btn:hover{background:var(--g);color:#fff}

/* ══ 찾아오시는 길 (intro-location) ══ */
.loc-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:28px;margin-top:32px;align-items:stretch}
.loc-card{
  border:1px solid var(--border);padding:28px 24px;background:var(--white);border-radius:4px;
}
.loc-card .loc-h3{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--g);margin-bottom:16px}
.loc-addr{font-size:15px;font-weight:400;color:var(--ink);line-height:1.75;margin-bottom:20px}
.loc-meta{font-size:14px;font-weight:400;color:var(--muted);line-height:1.8;margin-bottom:10px}
.loc-meta:last-child{margin-bottom:0}
.loc-meta a{color:var(--g);transition:opacity .2s}
.loc-meta a:hover{opacity:.85}
.loc-map-wrap{
  border:1px solid var(--border);border-radius:4px;overflow:hidden;background:var(--off);min-height:320px;
}
.loc-map-wrap iframe{width:100%;height:360px;border:0;display:block}

footer{background:#10211f;padding:44px 80px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;border-top:1px solid rgba(255,255,255,.08)}
.fl{font-size:13px;font-weight:600;color:rgba(255,255,255,.55)}
.fn{display:flex;gap:22px;flex-wrap:wrap}
.fn a{font-size:11.5px;color:rgba(255,255,255,.5);transition:color .2s}
.fn a:hover{color:rgba(255,255,255,.75)}
.fc{font-size:11px;color:rgba(255,255,255,.48)}
.f-info{font-style:normal;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:11.5px;color:rgba(255,255,255,.5);line-height:1.6}
.f-info a{color:inherit;transition:color .2s}.f-info a:hover{color:rgba(255,255,255,.75)}

/* ══ 사업실적 (perf) ══ */
#s-projects,#s-list,#s-partners{scroll-margin-top:120px}

.perf-section{padding:56px 0;border-bottom:1px solid var(--border);background:var(--white)}
.perf-section.alt{background:var(--off)}
.perf-section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:36px}
.perf-section-head h2{
  font-family:'Noto Serif KR',serif;font-size:clamp(22px,2.6vw,34px);font-weight:200;color:var(--ink);letter-spacing:-.5px;line-height:1.25;
}
.perf-section-head h2 strong{font-weight:400}
.perf-ey{font-size:10px;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--g);margin-bottom:10px}
.perf-lead{max-width:640px;font-size:15px;font-weight:400;color:var(--muted);line-height:1.9}

.perf-filters{display:flex;flex-wrap:wrap;gap:8px}
.perf-filter-btn{
  font-size:12px;font-weight:500;color:var(--muted);padding:8px 18px;border-radius:100px;border:1px solid var(--border);
  background:var(--white);cursor:pointer;font-family:inherit;transition:all .2s;
}
.perf-filter-btn:hover{border-color:var(--g);color:var(--g)}
.perf-filter-btn.is-active{background:var(--g);border-color:var(--g);color:#fff}

.perf-list{border-top:1px solid var(--border)}
.pr{
  display:grid;grid-template-columns:52px 64px 1fr 100px 104px;align-items:center;padding:20px 0;border-bottom:1px solid var(--border);
  gap:0 18px;transition:background .15s var(--ease);position:relative;
}
.pr::before{
  content:'';position:absolute;left:-12px;top:0;bottom:0;width:0;background:var(--g);transition:width .25s var(--ease);
}
.pr:hover{background:rgba(42,115,109,.04)}
.pr:hover::before{width:3px}
.pr-idx{font-family:'Noto Serif KR',serif;font-size:12px;font-weight:300;color:var(--border)}
.pr-type{font-size:9px;font-weight:700;letter-spacing:2px;text-transform:uppercase}
.pr-type.soc{color:var(--g)}.pr-type.fm{color:#4040bb}.pr-type.pm{color:#a07020}
.pr-name{font-size:15px;font-weight:400;color:var(--ink);letter-spacing:-.2px}
.pr-amt{font-size:13px;font-weight:400;color:var(--muted);text-align:right}
.pr-period{font-size:12px;font-weight:400;color:var(--muted);text-align:right}

.perf-partner-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-top:28px}
.perf-partner{
  border:1px solid var(--border);padding:24px 20px;background:var(--white);border-radius:4px;text-align:center;
  font-size:13px;font-weight:500;color:var(--muted);transition:border-color .2s,box-shadow .2s;
}
.perf-partner:hover{border-color:rgba(42,115,109,.3);box-shadow:0 8px 24px rgba(42,115,109,.06)}

@media (max-width:768px){
  #header{padding:0 20px}
  .h-nav{display:none}
  .h-menu-btn{display:flex}
  .h-logo img{height:26px}
  .sub-hero{height:auto;min-height:280px;padding-bottom:40px}
  .sub-hero-inner{padding:0 24px}
  .sub-h1{font-size:clamp(28px,8vw,44px);letter-spacing:-1px}
  .sub-local-inner{padding:0 16px;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .sub-local-inner a{padding:14px 16px;font-size:12px}
  .si{padding:0 24px}
  .sub-card-grid{grid-template-columns:1fr}
  footer{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .pr{grid-template-columns:36px 52px 1fr;gap:0 10px;padding:16px 0}
  .pr-amt,.pr-period{display:none}
  .pr-name{font-size:13px}
  .perf-section-head{flex-direction:column;align-items:flex-start}
  .loc-grid{grid-template-columns:1fr}
  .loc-map-wrap iframe{height:280px}
}

/* 키보드 포커스 표시 (접근성) */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--g);outline-offset:2px}