:root{
  --accent:#3A5348;
  --accent-soft:#E4EDE8;
  --hero-tint:#F2F5F2;
  --text:#141A17;
  --muted:#55635C;
  --line:#DEE5E1;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:"Pretendard Variable",Pretendard,-apple-system,sans-serif;color:var(--text);letter-spacing:-.3px;background:#fff;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,p,ul{margin:0;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
section{padding:96px 0;}

/* ===== Header ===== */
header.site{position:relative;z-index:200;background:#fff;height:76px;display:flex;align-items:center;border-bottom:1px solid var(--line);}
header.site .wrap{width:100%;max-width:1180px;display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;align-items:center;gap:10px;}
.logo-icon{width:34px;height:34px;color:var(--accent);flex-shrink:0;}
.logo-icon svg{display:block;width:100%;height:100%;}
.logo-text{display:flex;flex-direction:column;line-height:1.3;}
.logo-brand{font-size:13px;font-weight:600;color:var(--muted);}
.logo-keyword{font-size:19px;font-weight:700;color:var(--text);}
.nav{display:flex;align-items:center;gap:30px;font-family:"Barlow Condensed",sans-serif;font-size:16px;font-weight:600;letter-spacing:-.035em;text-transform:uppercase;}
.nav a.nav-link{position:relative;padding:8px 0;}
.nav-item.has-drop{position:relative;}
.nav-drop{display:none;position:absolute;top:100%;left:0;z-index:201;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 32px rgba(0,0,0,.1);padding:10px;min-width:180px;flex-direction:column;gap:2px;}
.nav-item.has-drop:hover .nav-drop,.nav-item.has-drop:focus-within .nav-drop{display:flex;}
.nav-drop a{display:block;padding:10px 14px;border-radius:8px;font-size:14px;font-weight:600;letter-spacing:-.035em;text-transform:uppercase;}
.nav-drop a:hover{background:var(--accent-soft);color:var(--accent);}
.nav-cta{padding:11px 22px;border-radius:999px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;letter-spacing:-.3px;text-transform:none;font-family:"Pretendard Variable",sans-serif;}
.mobile-menu-btn{display:none;background:none;border:0;cursor:pointer;}
@media (max-width:900px){
  .nav{display:none;}
  .mobile-menu-btn{display:block;}
}

/* ===== Split Hero (main_skin1: matt 카드 금지, 스플릿 실사) ===== */
.hero{padding:56px 0 40px;background:#fff;}
.hero__inner{max-width:1180px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.4px;margin:0 0 18px;}
.hero h1{font-size:44px;font-weight:700;color:var(--text);letter-spacing:-.3px;line-height:1.32;margin:0 0 14px;}
.hero-sub{font-size:16px;line-height:28px;color:var(--muted);max-width:460px;margin:0 0 24px;}
.hero-cta{display:flex;gap:12px;margin:0 0 24px;flex-wrap:wrap;}
.btn-fill{height:48px;padding:14px 26px;border-radius:999px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;letter-spacing:-.3px;display:inline-flex;align-items:center;}
.btn-line{height:48px;padding:14px 26px;border-radius:999px;background:transparent;color:var(--text);border:1px solid var(--text);font-size:15px;font-weight:600;letter-spacing:-.3px;display:inline-flex;align-items:center;}
.hero-checks{display:flex;gap:20px;padding:18px 0 0;margin:0;font-size:14px;color:var(--muted);list-style:disc inside;flex-wrap:wrap;}
.hero-media{border-radius:20px;overflow:hidden;box-shadow:0 20px 44px rgba(0,0,0,.14);background:var(--accent-soft);display:flex;align-items:center;justify-content:center;aspect-ratio:4/5;padding:28px;}
.hero-media img{width:100%;height:100%;object-fit:contain;display:block;}
@media (max-width:767px){
  .hero__inner{grid-template-columns:1fr;padding:0 24px;gap:28px;}
  .hero h1{font-size:32px;}
  .hero-media img{aspect-ratio:16/11;}
}

/* ===== Section labels ===== */
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;letter-spacing:1px;color:var(--accent);margin:0 0 12px;}
.eyebrow svg{width:18px;height:18px;color:var(--accent);}
.section-title{font-size:30px;font-weight:700;margin:0 0 14px;color:var(--text);}
.section-lead{font-size:16px;line-height:26px;color:var(--muted);max-width:640px;margin:0 0 40px;white-space:normal;}
.section-head{margin-bottom:48px;}

/* ===== About ===== */
#about{background:#F6F9F6;}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.about-grid p{font-size:16px;line-height:28px;color:var(--muted);margin:0 0 18px;}

/* ===== Service ===== */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.service-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 24px;}
.svc-icon{display:block;width:44px;height:44px;flex-shrink:0;overflow:hidden;margin-bottom:20px;color:var(--accent);}
.svc-icon svg{display:block;width:100%;height:100%;max-width:44px;max-height:44px;}
.service-card h3{font-size:18px;font-weight:700;margin:0 0 10px;}
.service-card p{font-size:14px;line-height:22px;color:var(--muted);}
@media (max-width:900px){.service-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:767px){.svc-icon{width:36px;height:36px;}.svc-icon svg{max-width:36px;max-height:36px;}}

/* ===== Cases: main_skin1 = 4장 2x2, 원그로브 호버 ===== */
#cases{background:#fff;}
.case-grid-4{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card4{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:590/396;background:#fff;border:1px solid var(--line);}
.case-card4 img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .3s ease;}
.case-card4 .case-hover{position:absolute;inset:0;background:#fff;display:flex;align-items:center;justify-content:center;text-align:center;padding:32px;opacity:0;transition:opacity .3s ease;}
.case-card4 .case-hover p{font-size:15px;line-height:24px;color:#333;}
.case-card4:hover img{opacity:0;}
.case-card4:hover .case-hover{opacity:1;}
.case-card4 .case-label{position:absolute;left:16px;bottom:16px;color:#fff;font-size:15px;font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.4);transition:opacity .3s ease;}
.case-card4:hover .case-label{opacity:0;}
@media (max-width:767px){.case-grid-4{grid-template-columns:1fr;}}

/* case list/detail (3-col standard grid also used) */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line);transition:transform .2s ease;}
.case-card:hover{transform:scale(1.02);}
.case-card .thumb{aspect-ratio:16/10;overflow:hidden;}
.case-card .thumb img{width:100%;height:100%;object-fit:cover;}
.case-card .body{padding:18px 20px 22px;}
.case-card h3{font-size:19px;font-weight:700;margin:0 0 8px;}
.case-card p{font-size:14px;line-height:21px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
@media (max-width:900px){.case-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.case-grid{grid-template-columns:1fr;}}

/* ===== Process ===== */
#process{background:#EEF3F0;}
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.process-item{padding:28px 20px 28px 24px;border-right:1px solid var(--line);}
.process-item:first-child{padding-left:0;}
.process-item:last-child{border-right:none;}
.pnum{color:var(--accent);font-weight:700;font-size:13px;display:block;margin-bottom:12px;}
.process-item h3{font-size:18px;font-weight:700;margin:0 0 8px;}
.process-item p{font-size:14px;line-height:21px;color:var(--muted);}
@media (max-width:767px){.process-list{grid-template-columns:repeat(2,1fr);}.process-item{border-right:none;border-bottom:1px solid var(--line);}}

/* ===== Region ===== */
#region{background:#fff;}
.region-links{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
.region-links a{display:block;padding:16px;text-align:center;border:1px solid var(--line);border-radius:12px;font-size:15px;font-weight:600;}
.region-links a:hover{border-color:var(--accent);color:var(--accent);}
@media (max-width:767px){.region-links{grid-template-columns:repeat(2,1fr);}}
.region-list-all{display:grid;grid-template-columns:repeat(4,1fr);gap:10px 20px;}
.region-list-all a{padding:10px 0;border-bottom:1px solid var(--line);font-size:15px;}
.region-group-title{font-size:16px;font-weight:700;margin:36px 0 16px;color:var(--accent);}
@media (max-width:767px){.region-list-all{grid-template-columns:repeat(2,1fr);}}

/* ===== FAQ ===== */
#faq{background:#F2F5F2;}
.faq-item{border-bottom:1px solid var(--line);padding:24px 0;}
.faq-item h3{font-size:17px;font-weight:700;margin:0 0 10px;}
.faq-item p{font-size:15px;line-height:24px;color:var(--muted);}

/* ===== Closing ===== */
.closing{position:relative;height:600px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;}
.closing img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.closing::after{content:"";position:absolute;inset:0;background:rgba(19,19,19,.55);z-index:0;}
.closing-copy{position:relative;z-index:1;color:#fff;padding:0 24px;}
.closing-copy .c-head{font-size:32px;font-weight:700;margin:0 0 16px;white-space:nowrap;}
.closing-copy .c-quote{font-size:16px;color:rgba(255,255,255,.85);margin:0 0 28px;}
.closing-copy a.btn-outline{display:inline-flex;height:52px;padding:0 32px;align-items:center;justify-content:center;border:1px solid #fff;color:#fff;font-size:16px;font-weight:600;border-radius:0;}
@media (max-width:767px){.closing-copy .c-head{font-size:22px;white-space:normal;}.closing{height:480px;}}

/* ===== Footer ===== */
footer.site{background:#fff;border-top:1px solid var(--line);padding:56px 0 96px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;}
.footer-biz{font-size:13px;line-height:22px;color:var(--muted);}
.footer-biz b{color:var(--text);}
.footer-col h4{font-size:14px;font-weight:700;margin:0 0 14px;}
.footer-col a{display:block;font-size:14px;color:var(--muted);margin-bottom:10px;}
.footer-bottom{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);}
@media (max-width:767px){.footer-grid{grid-template-columns:1fr;gap:28px;}}

/* ===== Page hero (hub/region/case-list start panel) ===== */
.hero-panel{max-width:1180px;margin:40px auto;padding:48px 56px;background:var(--hero-tint);border-radius:26px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.hero-panel h1{font-size:34px;font-weight:700;margin:10px 0 14px;}
.hero-panel p{font-size:16px;line-height:26px;color:var(--muted);}
.hero-panel .hp-photo{border-radius:18px;overflow:hidden;}
.hero-panel .hp-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
@media (max-width:767px){.hero-panel{grid-template-columns:1fr;padding:28px 24px;border-radius:20px;margin:24px auto;}}

/* ===== page-hero (case detail, full photo) ===== */
.page-hero{position:relative;z-index:0;min-height:420px;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center;}
.page-hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.page-hero::after{content:"";position:absolute;inset:0;background:rgba(19,19,19,.5);pointer-events:none;z-index:0;}
.page-hero .copy{position:relative;z-index:1;color:#fff;pointer-events:none;padding:0 24px;}
.page-hero .copy .eyebrow{color:#fff;}
.page-hero .copy .eyebrow svg{color:#fff;}
.page-hero h1{color:#fff;font-size:36px;font-weight:800;margin:0;}
@media (max-width:767px){.page-hero h1{font-size:26px;}.page-hero{min-height:320px;}}

/* ===== case-body ===== */
.case-body{max-width:640px;margin:48px auto 0;text-align:center;}
.case-body .rep-photo{border-radius:20px;overflow:hidden;background:#F3F5F8;}
.case-body .rep-photo img{width:100%;height:auto;object-fit:contain;display:block;}
.case-body .photo-label{font-size:13px;color:#888;margin:14px 0 20px;}
.case-body h2{font-size:28px;font-weight:700;margin:0 0 24px;}
.case-body .desc{text-align:left;font-size:16px;line-height:28px;color:var(--text);}
.case-body .desc p{margin:0 0 16px;}
.back-link{display:block;text-align:center;margin:56px 0;font-size:15px;font-weight:600;color:var(--accent);}

/* ===== Hub / static page body ===== */
.hub-body{font-size:16px;line-height:28px;color:var(--muted);}
.hub-body p{margin:0 0 18px;}
table.cost-table{width:100%;border-collapse:collapse;margin:24px 0;}
table.cost-table th,table.cost-table td{border:1px solid var(--line);padding:14px 16px;text-align:left;font-size:15px;}
table.cost-table th{background:var(--accent-soft);color:var(--accent);font-weight:700;}
.hub-list{margin:0 0 24px;padding-left:20px;}
.hub-list li{font-size:15px;line-height:26px;color:var(--muted);margin-bottom:6px;}

/* ===== mobile bottom bar ===== */
.mobile-bar{display:none;}
@media (max-width:767px){
  .mobile-bar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;height:60px;z-index:300;background:#fff;border-top:1px solid var(--line);}
  .mobile-bar a{display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;}
  .mobile-bar a:first-child{background:var(--accent);color:#fff;}
  body{padding-bottom:72px;}
}

/* lightbox */
.lightbox-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:500;align-items:center;justify-content:center;padding:24px;}
.lightbox-overlay.open{display:flex;}
.lightbox-overlay img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:8px;}