:root{--bg:#0a1730;--bg2:#10224a;--bg3:#0d1c3d;--line:#233a6b;--txt:#fff;--mut:#aab6d0;--accent:#f6b81c;--accent2:#ffd24d}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font-family:"Noto Sans Thai","Helvetica Neue",Arial,sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:20;background:rgba(10,23,48,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;line-height:1.1}
.logo img{height:46px;width:auto;border-radius:8px}.logo span{font-size:18px;letter-spacing:.5px}.logo small{display:block;font-weight:600;color:var(--accent);font-size:11px;letter-spacing:1.5px}
nav{display:flex;gap:26px;font-weight:600;font-size:14px;letter-spacing:.5px}
nav a{padding:6px 0;border-bottom:2px solid transparent}nav a.on,nav a:hover{border-color:var(--accent);color:var(--accent)}
.right{display:flex;gap:10px;align-items:center}
.lang{background:none;border:1px solid var(--line);color:var(--txt);padding:6px 12px;border-radius:4px;cursor:pointer;font-weight:700;font-family:inherit}
.tel{background:var(--accent);color:#0a1730;font-weight:800;padding:8px 14px;border-radius:4px;font-size:14px;white-space:nowrap}
.btn{display:inline-block;background:var(--accent);color:#0a1730;font-weight:800;padding:14px 28px;letter-spacing:.5px;border:0;cursor:pointer;font-size:15px;font-family:inherit;border-radius:3px}
.btn:hover{background:var(--accent2)}.btn.line{background:none;color:var(--txt);border:1px solid var(--txt)}.btn.line:hover{border-color:var(--accent);color:var(--accent)}
.hero{min-height:620px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(10,23,48,.95) 35%,rgba(10,23,48,.55)),url(images/hero.jpg) center/cover,var(--bg)}
.hero .eyebrow{color:var(--accent);font-weight:800;letter-spacing:3px;font-size:13px;margin-bottom:14px}
.hero h1{font-size:clamp(36px,6.5vw,76px);line-height:1.05;margin:0 0 18px;font-weight:900;text-transform:uppercase}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{max-width:600px;margin:0 0 30px;color:var(--mut);font-size:18px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.strip{background:var(--bg2);border-block:1px solid var(--line)}
.strip .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;padding-block:26px}
.strip b{display:block;color:var(--accent);font-size:20px}.strip span{color:var(--mut);font-size:14px}
section{padding:84px 0}section.alt{background:var(--bg3)}
.eyebrow2{color:var(--accent);font-weight:800;letter-spacing:3px;font-size:12px;text-transform:uppercase}
h2{font-size:clamp(26px,4vw,42px);margin:6px 0 12px;font-weight:800;line-height:1.2}
.sub{color:var(--mut);max-width:680px;margin:0 0 40px}
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{background:var(--bg2);border:1px solid var(--line);transition:.2s;cursor:pointer;display:block;text-align:left;color:inherit;font-family:inherit;padding:0;overflow:hidden;border-radius:6px}
section.alt .card{background:var(--bg2)}
.card:hover{border-color:var(--accent);transform:translateY(-3px)}
.card .ph{aspect-ratio:4/3;background:#fff center/cover}.card .ph img{width:100%;height:100%;object-fit:contain;background:#fff}
.card.cat .ph img,.card.dark .ph img{object-fit:cover}
.card .bd{padding:18px}.card h3{margin:0 0 6px;font-size:17px;line-height:1.35}.card p{margin:0;color:var(--mut);font-size:14px}
.card .more{display:inline-block;margin-top:12px;color:var(--accent);font-weight:700;font-size:14px}
.pillars,.svc{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.pillars div,.svc div{border-top:3px solid var(--accent);background:var(--bg2);padding:22px}
.pillars h3,.svc h3{margin:0 0 4px}.pillars small,.svc small{color:var(--accent);font-weight:700;letter-spacing:1px}.pillars p,.svc p{margin:8px 0 0;color:var(--mut);font-size:14px}
.num{color:var(--accent);font-weight:900;font-size:28px}
.about{display:grid;gap:40px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));align-items:center}
.about p{color:var(--mut)}
.certs{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.cert{background:var(--bg2);border:1px solid var(--line);padding:20px;border-radius:6px}
.cert img{background:#fff;margin-bottom:14px;border-radius:4px;width:100%;max-height:340px;object-fit:contain}
.cert b{color:var(--accent);font-size:18px}.cert p{margin:4px 0 0;color:var(--mut);font-size:14px}
.tools{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
input,textarea{background:var(--bg2);border:1px solid var(--line);color:var(--txt);padding:12px 14px;font-family:inherit;font-size:15px;min-width:240px;border-radius:3px}
.chips button{background:none;border:1px solid var(--line);color:var(--txt);padding:8px 16px;cursor:pointer;font-family:inherit;border-radius:20px}
.chips button.on{background:var(--accent);color:#0a1730;border-color:var(--accent);font-weight:700}
form{display:grid;gap:14px;max-width:560px}form input,form textarea{width:100%}
.contact{display:grid;gap:48px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.info p{margin:0 0 16px;color:var(--mut)}.info b{color:var(--accent);display:block;font-size:13px;letter-spacing:1px}.info a{color:var(--txt)}
.cta{text-align:center}.cta .sub{margin:0 auto 28px}
footer{border-top:1px solid var(--line);padding:36px 0;color:var(--mut);font-size:14px;background:var(--bg3)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}
.modal{position:fixed;inset:0;background:rgba(3,8,20,.8);display:none;z-index:50;overflow:auto;padding:24px 12px}
.modal.open{display:block}
.mbox{max-width:980px;margin:0 auto;background:var(--bg2);border:1px solid var(--line);border-radius:8px;position:relative;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.mbox .mi{background:#fff;display:flex;align-items:center;justify-content:center}.mbox .mi img{width:100%;max-height:520px;object-fit:contain}
.mbox .mt{padding:28px}.mbox h3{margin:0 0 10px;font-size:24px;line-height:1.3}.mbox p{color:var(--mut)}
.mbox ul{padding-left:20px;margin:12px 0 18px}.mbox li{margin-bottom:4px}
.mbox table{width:100%;border-collapse:collapse;margin-bottom:20px;font-size:14px}.mbox td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}.mbox td:first-child{color:var(--accent);width:38%;font-weight:600}
.close{position:absolute;top:8px;right:12px;background:none;border:0;color:#333;font-size:34px;cursor:pointer;z-index:2;line-height:1;background:rgba(255,255,255,.85);border-radius:50%;width:40px;height:40px}
@media(max-width:820px){nav{display:none}.tel span{display:none}.logo small{display:none}.hero{min-height:480px}section{padding:56px 0}}
.mbox .mi{flex-direction:column;justify-content:flex-start}.thumbs{display:flex;gap:8px;padding:8px;background:#fff;width:100%}.thumbs img{width:76px;height:58px;object-fit:cover;border:2px solid #ccd;cursor:pointer;border-radius:3px}
.outs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:10px 0 20px}.outs figure{margin:0}.outs img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px}.outs figcaption{font-size:13px;color:var(--mut);margin-top:4px}