:root{
  --primary:#1e3a8a;
  --primary-dark:#172554;
  --accent:#d97706;
  --bg:#f1f5f9;
  --card:#ffffff;
  --text:#1e293b;
  --muted:#64748b;
  --line:#e2e8f0;
  --radius:16px;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 8px 24px rgba(15,23,42,.06);
  --shadow-lg:0 12px 40px rgba(30,58,138,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Sarabun',system-ui,sans-serif;
  margin:0;background:var(--bg);color:var(--text);line-height:1.6;
}
a{color:var(--primary);text-decoration:none}
img{max-width:100%}

/* ---- Header ---- */
.site-header{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;position:relative;overflow:hidden;
}
.site-header::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(217,119,6,.35),transparent 70%);
}
.header-inner{max-width:1200px;margin:0 auto;padding:28px 24px;display:flex;align-items:center;gap:20px;position:relative;z-index:1;flex-wrap:wrap}
.header-logo{width:72px;height:72px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-size:34px;box-shadow:0 6px 18px rgba(0,0,0,.25);flex-shrink:0}
.header-text h1{margin:0;font-size:26px;font-weight:700;letter-spacing:.3px}
.header-text .en{opacity:.8;font-size:15px}
.header-text .subtitle{margin-top:4px;font-size:16px;color:#fde68a}
.header-nav{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.header-nav a{color:#fff;background:rgba(255,255,255,.12);padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;transition:.2s}
.header-nav a:hover{background:rgba(255,255,255,.25)}

/* ---- Layout ---- */
.container{max-width:1200px;margin:0 auto;padding:32px 24px}
body.is-embed{background:transparent}
body.is-embed .container{padding:16px}
.section-title{display:flex;align-items:center;gap:12px;margin:8px 0 24px;font-size:22px;font-weight:700;color:var(--primary)}
.section-title::before{content:"";width:6px;height:26px;background:var(--accent);border-radius:3px}
.section-title .badge{font-size:13px;font-weight:600;background:var(--primary);color:#fff;padding:3px 12px;border-radius:999px;margin-left:auto}

/* ---- Person card ---- */
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.people-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.person-card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  overflow:hidden;text-align:center;transition:transform .2s,box-shadow .2s;border:1px solid var(--line);
}
.person-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.person-photo{width:100%;aspect-ratio:1/1;object-fit:cover;background:#e2e8f0;display:block}
.person-body{padding:16px}
.person-role{display:inline-block;font-size:12px;font-weight:700;color:var(--accent);background:#fff7ed;padding:3px 12px;border-radius:999px;margin-bottom:8px}
.person-name{font-size:17px;font-weight:700;margin:0 0 2px}
.person-pos{font-size:13px;color:var(--muted);min-height:20px}
.person-contact{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
.person-contact a{color:var(--muted)}
.person-contact .ic{color:var(--primary);width:16px;display:inline-block}

/* ---- Executives grid: centred & balanced for any count (1, 2, 3, 4+) ---- */
.exec-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}
.exec-grid > .person-card{flex:1 1 220px;max-width:280px}

/* ---- Head (featured) card ---- */
.head-row{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.head-card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  border:2px solid var(--accent);padding:0;overflow:hidden;max-width:340px;width:100%;text-align:center;
}
.head-card .person-photo{aspect-ratio:1/1}
.head-card .person-role{background:var(--accent);color:#fff}

/* ---- Division / unit cards on home ---- */
.unit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.unit-card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid var(--line);border-top:4px solid var(--primary);padding:22px;transition:.2s;display:block
}
.unit-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.unit-card.division{border-top-color:var(--accent)}
.unit-card h3{margin:0 0 6px;font-size:18px;color:var(--primary)}
.unit-card .meta{font-size:13px;color:var(--muted)}
.unit-card .lead{margin-top:12px;font-size:14px;display:flex;align-items:center;gap:8px;color:var(--text)}
.unit-card .lead img{width:36px;height:36px;border-radius:50%;object-fit:cover}
.unit-card .sub-list{margin-top:12px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px}
.unit-card .sub-list span{background:#f1f5f9;padding:2px 10px;border-radius:999px}

/* ---- Breadcrumb ---- */
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--primary)}

/* ---- Empty ---- */
.empty{text-align:center;color:var(--muted);padding:40px;background:var(--card);border-radius:var(--radius);border:1px dashed var(--line)}

/* ---- Footer ---- */
.site-footer{background:var(--primary-dark);color:#cbd5e1;padding:28px 24px;margin-top:40px;text-align:center;font-size:14px}
.site-footer a{color:#fde68a}

/* ---- Share / embed bar ---- */
.share-bar{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin-bottom:24px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;box-shadow:var(--shadow)}
.share-bar b{color:var(--primary)}
.btn{cursor:pointer;border:none;font-family:inherit;font-weight:600;padding:9px 16px;border-radius:8px;font-size:14px;transition:.2s;display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-accent{background:var(--accent);color:#fff}
.btn-ghost{background:#f1f5f9;color:var(--text)}
.btn-ghost:hover{background:#e2e8f0}

/* ---- Modal ---- */
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.6);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:var(--radius);max-width:560px;width:100%;padding:24px;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.modal h3{margin:0 0 12px;color:var(--primary)}
.modal textarea{width:100%;font-family:monospace;font-size:13px;border:1px solid var(--line);border-radius:8px;padding:12px;min-height:90px;resize:vertical}
.modal .row{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}

@media(max-width:900px){
  .people-grid,.people-grid.cols-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .people-grid,.people-grid.cols-4{grid-template-columns:1fr}
  .header-text h1{font-size:21px}
}