:root{
  --navy:#0f2340; --navy2:#1a3560; --gold:#c9a24b; --gold2:#e0bd6a;
  --ink:#1f2933; --mute:#5b6775; --bg:#ffffff; --alt:#f5f3ee; --line:#e3ddd0;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:82px}
body{font-family:"Noto Sans Thai",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}
a{color:inherit;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:var(--navy);color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:76px;gap:16px}
.logo{display:flex;align-items:center;gap:12px;font-weight:700}
.logo-img{width:54px;height:54px;flex:none;background:#fff;border-radius:8px;padding:3px}
.logo-txt{font-family:"Noto Sans Thai",sans-serif;font-size:20px;white-space:nowrap;line-height:1.2;display:flex;flex-direction:column}
.logo-txt small{font-family:"Noto Sans Thai",sans-serif;font-weight:400;font-size:12px;color:var(--gold2);letter-spacing:.08em}
.menu{display:flex;gap:22px;font-size:15px}
.menu a{opacity:.85;transition:.2s}
.menu a:hover{opacity:1;color:var(--gold2)}
.menu a.active{opacity:1;color:var(--navy);background:var(--gold);padding:4px 12px;margin:0 -12px;border-radius:4px;font-weight:600}
.nav-right{display:flex;align-items:center;gap:10px}
.lang{display:flex;border:1px solid rgba(255,255,255,.3);border-radius:4px;overflow:hidden}
.lang button{background:none;border:0;color:inherit;padding:4px 10px;cursor:pointer;font:inherit;font-size:13px}
.lang button.on{background:var(--gold);color:var(--navy);font-weight:700}
.burger{display:none;background:none;border:0;color:inherit;font-size:24px;cursor:pointer}

/* hero */
.hero{background:linear-gradient(135deg,rgba(15,35,64,.94),rgba(26,53,96,.85)),
  repeating-linear-gradient(45deg,#14294a 0 2px,transparent 2px 22px);color:#fff;padding:110px 0 120px}
.eyebrow{color:var(--gold2);letter-spacing:.08em;font-size:14px;text-transform:uppercase}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.25;margin:10px 0 18px;max-width:760px}
.hero-badge{display:inline-block;margin:-4px 0 18px;padding:6px 16px;border-radius:999px;background:var(--gold);color:var(--navy);font-weight:700;font-size:17px;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.lead{max-width:640px;opacity:.88;font-size:17px}
.btns{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 26px;border-radius:4px;font-weight:600;border:2px solid transparent;cursor:pointer;font:inherit;font-weight:600;transition:.2s}
.btn.gold{background:var(--gold);color:var(--navy)}
.btn.gold:hover{background:var(--gold2)}
.btn.line{border-color:rgba(255,255,255,.6);color:#fff}
.btn.line:hover{background:rgba(255,255,255,.1)}

/* notice */
.notice{margin-top:-34px;position:relative;background:#fff;border-left:5px solid #c0392b;box-shadow:0 8px 24px rgba(0,0,0,.08);padding:16px 20px;border-radius:4px;display:flex;gap:12px;flex-wrap:wrap;font-size:15px}
.notice strong{color:#c0392b}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-top:50px;padding-bottom:10px;text-align:center}
.stats>*{padding:18px 10px;border:1px solid var(--line);border-radius:6px;transition:.2s}
.stats>a:hover{border-color:var(--gold);box-shadow:0 8px 20px rgba(15,35,64,.08)}
.stats b{display:block;font-size:26px;line-height:1.3}
.stats strong{display:block;color:var(--navy);font-size:18px}
.stats span{color:var(--mute);font-size:13px;overflow-wrap:anywhere}

/* sections */
.sec{padding:80px 0}
.sec.alt{background:var(--alt)}
h2{font-size:clamp(26px,3.4vw,36px);color:var(--navy);margin-bottom:34px;position:relative;padding-bottom:12px}
h2::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:3px;background:var(--gold)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:28px;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(15,35,64,.1);border-color:var(--gold)}
.cards{display:flex;flex-wrap:wrap;justify-content:center}
.cards>.card{flex:0 1 calc((100% - 44px)/3)}
.ic{font-size:30px;margin-bottom:10px}
.card h3{color:var(--navy);font-size:19px;margin-bottom:6px}
.card p{color:var(--mute);font-size:15px}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.about p{color:var(--mute)}
.about-logo{display:block;width:200px;max-width:60%;margin-bottom:24px;background:#fff;border-radius:10px;padding:12px;box-shadow:0 6px 18px rgba(15,35,64,.08)}
.about-side{display:flex;flex-direction:column;gap:12px}
.about-call{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:var(--navy);color:#fff;border-radius:8px;padding:20px 22px;box-shadow:0 10px 24px rgba(15,35,64,.18)}
.about-call strong{display:block;font-size:17px}
.about-call span{color:#cfd6e0;font-size:14px}
.about-call .btn{padding:10px 18px;white-space:nowrap}
.timeline{list-style:none;border-left:2px solid var(--gold);padding-left:24px}
.timeline li{position:relative;padding-bottom:22px}
.timeline li::before{content:"";position:absolute;left:-31px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--navy);border:2px solid var(--gold)}
.timeline b{display:block;color:var(--navy);font-weight:700;font-size:19px}
.timeline span{color:var(--mute)}

/* team */
.person{text-align:center}
.ph{width:120px;height:120px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,var(--navy),var(--navy2));color:var(--gold2);display:grid;place-items:center;font-size:44px;font-weight:700;border:3px solid var(--gold)}
.person h4{color:var(--navy);font-size:17px}
.person p{color:var(--mute);font-size:14px}

/* articles */
.post{display:block;background:#fff;border-radius:6px;padding:24px;border:1px solid var(--line);border-top:4px solid var(--navy);transition:.25s;overflow:hidden}
.post-img{display:block;width:calc(100% + 48px);max-width:none;margin:-24px -24px 16px;height:180px;object-fit:contain;background:#fff;padding:16px;border-bottom:1px solid var(--line)}
.post:hover{border-top-color:var(--gold);box-shadow:0 10px 24px rgba(0,0,0,.07)}
.post small{color:var(--mute)}

/* article reader */
.reader{border:0;border-radius:8px;padding:0;width:min(760px,calc(100% - 32px));max-height:calc(100% - 48px);margin:auto;box-shadow:0 20px 60px rgba(0,0,0,.3);color:var(--ink)}
.reader::backdrop{background:rgba(15,35,64,.6)}
.reader article{padding:36px 40px 40px}
.reader small{color:var(--mute)}
.reader h2{margin:4px 0 22px;font-size:clamp(22px,3vw,30px)}
.reader p{margin-bottom:16px;line-height:1.85}
.reader figure{margin:20px 0}
.reader figure img{display:block;width:auto;max-width:min(100%,560px);margin:0 auto;border-radius:6px;box-shadow:0 4px 16px rgba(15,35,64,.12)}
.reader figcaption{text-align:center;color:var(--mute);font-size:14px;margin-top:6px}
.reader-x{position:sticky;top:10px;float:right;margin:10px 10px 0 0;width:38px;height:38px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-size:18px;cursor:pointer;z-index:1}
.reader-x:hover{background:var(--gold);color:var(--navy)}
@media (max-width:560px){.reader article{padding:28px 20px 30px}}
.post h3{color:var(--navy);font-size:18px;margin:6px 0 14px}
.post>span{color:var(--gold);font-weight:600;font-size:14px}
.post-img.fill{object-fit:cover;padding:0}
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:28px;flex-wrap:wrap}
.pager button{min-width:40px;height:40px;padding:0 10px;border-radius:6px;border:1px solid var(--line);background:#fff;color:var(--navy);font:inherit;font-weight:600;cursor:pointer;transition:.2s}
.pager button:hover:not(:disabled){border-color:var(--gold);color:#9a7428}
.pager button.on{background:var(--navy);border-color:var(--navy);color:#fff}
.pager button:disabled{opacity:.35;cursor:default}
.pager-info{color:var(--mute);font-size:14px;margin-left:6px}
.post-place{color:var(--mute);font-size:14px;margin:-8px 0 12px}
.sec-lead{color:var(--mute);margin:-20px 0 28px}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:50px}
.contact>div>p{color:var(--mute);margin-bottom:20px}
.info{list-style:none;display:grid;gap:10px}
.info li{display:flex;gap:8px}
.info a{color:var(--navy);font-weight:600}
.info a:hover{color:var(--gold)}
.form{background:var(--alt);padding:28px;border-radius:6px;display:grid;gap:14px}
.form label{display:grid;gap:4px;font-size:14px;font-weight:600;color:var(--navy)}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:10px 12px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--gold);border-color:transparent}
.alt .form{background:#fff;border:1px solid var(--line)}
.ok{color:#1e7d43;font-weight:600}
.err{color:#c0392b;font-weight:600}
.honey{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form button:disabled{opacity:.6;cursor:wait}

/* footer */
.foot{background:var(--navy);color:#cfd6e0;padding:30px 0;font-size:14px}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.foot .logo-txt{color:#fff}

/* responsive */
@media (max-width:900px){
  .menu{position:absolute;top:76px;left:0;right:0;background:var(--navy);flex-direction:column;gap:0;display:none;box-shadow:0 8px 16px rgba(0,0,0,.12)}
  .menu.open{display:flex}
  .menu a{padding:14px 16px;border-top:1px solid rgba(128,128,128,.18)}
  .menu a.active{margin:0;padding:14px 16px;border-radius:0}
  .burger{display:block}
  .grid3,.grid4{grid-template-columns:repeat(2,1fr)}
  .cards>.card{flex-basis:calc((100% - 22px)/2)}
  .about,.contact{grid-template-columns:1fr;gap:30px}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .grid3,.grid4{grid-template-columns:1fr}
  .cards>.card{flex-basis:100%}
  .logo-img{width:44px;height:44px}
  .logo-txt{font-size:16px}
  .hero{padding:70px 0 90px}
  .sec{padding:60px 0}
}