:root{--ink:#0f1115;--muted:#667085;--line:#e5e7eb;--bg:#fff;--pill:#f8fafc;--shadow:0 10px 28px rgba(0,0,0,.06);--r:18px}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Noto Sans KR,Arial,sans-serif}
img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto}.lead{color:var(--muted)}.small{color:var(--muted);font-size:13px}
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);backdrop-filter:saturate(130%) blur(8px)}
.nav .row{display:flex;align-items:center;gap:18px;padding:10px 16px}
.brand{display:flex;gap:10px;align-items:center;font-weight:800}.brand img{height:26px}
.nav ul{list-style:none;margin:0 0 0 auto;padding:0;display:flex;gap:22px}
.nav a.active{font-weight:800}
.hero{position:relative;margin-top:54px}
.hero video,.hero .poster{width:100%;height:72vh;object-fit:cover}
.hero .overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.35)}
.hero h1{margin:0 0 8px;font-size:48px}.hero .btn{margin-top:14px;padding:10px 14px;border:1px solid #fff;border-radius:12px;background:rgba(0,0,0,.35);color:#fff}
section{padding:64px 0;border-top:1px solid var(--line)}h2{margin:0 0 10px}
.grid{display:grid;grid-template-columns:1fr;gap:18px}@media(min-width:980px){.grid{grid-template-columns:1.1fr .9fr}}
.kv{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}.thumbs img{border-radius:12px;border:1px solid var(--line);cursor:pointer}
.pills{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pill{background:var(--pill);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.pill h4{margin:0 0 8px}.pill ul{margin:0;padding-left:18px}
.grid-4{display:grid;grid-template-columns:1fr;gap:14px}@media(min-width:860px){.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.card .img{aspect-ratio:16/10;overflow:hidden}.card .img img{width:100%;height:100%;object-fit:cover}.card .body{padding:12px 14px;text-align:center;font-weight:600}
.gallery{display:grid;grid-template-columns:1fr;gap:12px}.gallery img{border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow);cursor:pointer}
.dropdown{margin-top:12px}.dropdown button{border:1px solid var(--line);background:#fff;border-radius:12px;padding:8px 12px;cursor:pointer}.dropdown .content{display:none;margin-top:10px}.dropdown.open .content{display:block}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);display:none;align-items:center;justify-content:center;z-index:60}.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:12px}.lightbox .close{position:absolute;top:16px;right:20px;background:#111;border:1px solid #333;color:#fff;border-radius:10px;padding:8px 10px;cursor:pointer}
.fade{opacity:0;transition:opacity .5s ease}.fade.in{opacity:1}
footer{padding:28px 0;border-top:1px solid var(--line);color:var(--muted)}

/* v8 stacked section layout */
.stack .kv{margin-bottom:12px}
.stack .thumbs{margin-top:0}
.stack .below{margin-top:16px;display:grid;grid-template-columns:1fr;gap:12px}
.stack .below .pills{grid-template-columns:1fr 1fr}
@media(min-width:860px){
  .stack .below .pills{grid-template-columns:1fr 1fr}
}
.stack .desc{color:var(--muted)}

/* v9 visual ratios and trims */
.stack .kv { border-radius: var(--r); overflow:hidden; box-shadow: var(--shadow); }
.stack .kv img { width:100%; height:100%; object-fit:cover; aspect-ratio: 16/9; }
.stack .thumbs { display:grid; grid-template-columns:repeat(3, 1fr); gap:12px; }
.stack .thumbs img { width:100%; aspect-ratio: 16/10; object-fit:cover; border-radius: 14px; border:1px solid var(--line); box-shadow: var(--shadow); }
.gallery img { aspect-ratio: 16/10; object-fit: cover; }
.card .img { aspect-ratio: 16/10; }
#portfolio .card .img img { object-fit: cover; }
.leader-wrap { display:grid; grid-template-columns: 1.1fr .9fr; gap:18px; }
.leader-right { padding:0; background:transparent; border:none; box-shadow:none; }
.leader-right h3 { margin-top:0; }

.leader-tight { grid-template-columns: 1fr 1fr; }
.leader-tight .kv img { width:100%; height:auto; display:block; }

/* v11 concierge visual tuning */
#concierge.stack .kv img{width:100%;height:auto;object-fit:contain;aspect-ratio:auto;}
#concierge.stack .kv{background:transparent}
#concierge.stack .thumbs{grid-template-columns:repeat(3,1fr);gap:12px}
#concierge.stack .thumbs img{aspect-ratio: 28/9; object-fit: cover; object-position:center;}

/* v12 tweaks */
.hero{position:relative}
#soundBtn{position:absolute;left:16px;bottom:16px;transform:none;margin:0}
.nav ul li a{font-weight:500}
.nav ul li a.active{font-weight:800}

/* v13 nav bold fix */
.nav ul li a{font-weight:500 !important}
.nav ul li a.active{font-weight:800 !important}

/* v15 hero subtitle & body uniform style */
.hero .overlay div, .hero .overlay p.small {
  font-size: 18px;
  color: #f1f1f1;
  text-shadow: 0 2px 6px rgba(0,0,0,.45);
}

/* v16 leadership mobile stacking */
@media (max-width: 768px){
  .leader-wrap{grid-template-columns:1fr !important; gap:12px}
  .leader-wrap > div:first-child{order:1}
  .leader-right{order:2; margin-top:4px}
  #leadership .kv img{width:100%;height:auto;object-fit:cover}
}