:root{
  --brand:#0b2545;
  --brand-2:#13315c;
  --accent:#f97316;
  --accent-2:#fb923c;
  --bg:#f8fafc;
  --text:#0f172a;
  --muted:#64748b;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Prompt","Noto Sans Thai",system-ui,sans-serif;color:var(--text);background:#fff;line-height:1.7}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.topbar{background:var(--brand);color:#fff;font-size:14px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding:8px 20px;flex-wrap:wrap;gap:8px}
.topbar a{color:#fde68a}
header.main{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e5e7eb;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--brand);font-size:20px}
.brand img{height:44px;width:auto}
.menu{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.menu a{padding:10px 14px;border-radius:8px;font-weight:500;color:#334155}
.menu a:hover,.menu a.active{background:#fff7ed;color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;transition:.2s;cursor:pointer;border:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(249,115,22,.35)}
.btn-primary:hover{background:#ea580c;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--brand);border:2px solid #fff}
.btn-line{background:#06c755;color:#fff}
.btn-line:hover{background:#05a847}

/* Hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,37,69,.92),rgba(11,37,69,.55) 60%,rgba(0,0,0,.35));z-index:1}
.hero .bg{position:absolute;inset:0}
.hero .bg img{width:100%;height:100%;object-fit:cover}
.hero .container{position:relative;z-index:2;padding:80px 20px}
.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.15;font-weight:800;margin-bottom:20px}
.hero h1 span{color:var(--accent-2)}
.hero p{font-size:18px;max-width:640px;margin-bottom:28px;color:#e2e8f0}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.badge24{display:inline-flex;align-items:center;gap:8px;background:rgba(249,115,22,.2);color:#fed7aa;border:1px solid rgba(249,115,22,.5);padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;margin-bottom:20px}
.badge24::before{content:"";width:8px;height:8px;background:#22c55e;border-radius:50%;box-shadow:0 0 0 4px rgba(34,197,94,.3);animation:pulse 1.6s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(34,197,94,0)}}

/* Page header */
.page-head{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;padding:80px 0 60px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-100px;bottom:-100px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(249,115,22,.3),transparent 70%)}
.page-head h1{font-size:clamp(28px,4vw,44px);font-weight:800;margin-bottom:10px;position:relative}
.page-head p{color:#cbd5e1;max-width:700px;position:relative}
.crumb{font-size:14px;color:#fde68a;margin-bottom:18px;position:relative}

/* Sections */
section{padding:70px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title .eyebrow{color:var(--accent);font-weight:700;letter-spacing:2px;font-size:14px;text-transform:uppercase}
.section-title h2{font-size:clamp(26px,3.5vw,38px);font-weight:800;color:var(--brand);margin:8px 0 12px}
.section-title p{color:var(--muted);max-width:680px;margin:0 auto}

/* Grids */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

.card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(15,23,42,.06);transition:.25s;border:1px solid #f1f5f9}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 40px rgba(15,23,42,.12)}
.card .img{aspect-ratio:16/10;overflow:hidden;background:#e2e8f0}
.card .img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .img img{transform:scale(1.05)}
.card .body{padding:22px}
.card h3{color:var(--brand);font-size:20px;font-weight:700;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card .link{color:var(--accent);font-weight:600;margin-top:14px;display:inline-block}

/* Feature */
.feature{display:flex;gap:16px;padding:24px;background:#fff;border-radius:14px;border:1px solid #e2e8f0}
.feature .ico{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,#fff7ed,#ffedd5);color:var(--accent);display:grid;place-items:center;font-size:24px;flex:0 0 auto}
.feature h4{color:var(--brand);font-size:17px;margin-bottom:4px}
.feature p{font-size:14px;color:var(--muted)}

/* Stats */
.stats{background:var(--brand);color:#fff;padding:50px 0}
.stats .grid-4{text-align:center}
.stats .num{font-size:42px;font-weight:800;color:var(--accent-2)}
.stats .lbl{color:#cbd5e1;font-size:14px}

/* CTA strip */
.cta-strip{background:linear-gradient(120deg,var(--accent),#ea580c);color:#fff;padding:60px 0;text-align:center}
.cta-strip h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:14px}
.cta-strip p{margin-bottom:24px;font-size:17px;opacity:.95}
.cta-strip .btn-primary{background:#fff;color:var(--accent);box-shadow:0 8px 24px rgba(0,0,0,.2)}
.cta-strip .btn-primary:hover{background:#fff7ed}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.gallery img{aspect-ratio:4/3;object-fit:cover;border-radius:12px;transition:.3s}
.gallery img:hover{transform:scale(1.03)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
@media(max-width:800px){.contact-grid{grid-template-columns:1fr}}
.info-card{background:#fff;border-radius:16px;padding:30px;border:1px solid #e2e8f0;box-shadow:0 4px 20px rgba(15,23,42,.05)}
.info-card h3{color:var(--brand);font-size:22px;margin-bottom:18px}
.info-row{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed #e2e8f0}
.info-row:last-child{border:0}
.info-row .ico{width:42px;height:42px;border-radius:10px;background:#fff7ed;color:var(--accent);display:grid;place-items:center;flex:0 0 auto;font-size:18px}
.info-row strong{color:var(--brand);display:block;margin-bottom:2px;font-size:15px}
.info-row span{color:var(--muted);font-size:14px}

input,textarea,select{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:10px;font:inherit;background:#fff;margin-bottom:14px}
input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(249,115,22,.15)}
label{display:block;font-weight:600;color:var(--brand);margin-bottom:6px;font-size:14px}

/* Article */
.article{max-width:820px;margin:0 auto}
.article h2{color:var(--brand);font-size:26px;margin:30px 0 14px}
.article h3{color:var(--brand);font-size:20px;margin:22px 0 10px}
.article p{margin-bottom:14px;color:#334155}
.article ul{margin:10px 0 18px 22px;color:#334155}
.article ul li{margin-bottom:6px}
.article img{border-radius:14px;margin:22px 0}
.meta{color:var(--muted);font-size:14px;margin-bottom:24px}

/* Footer */
footer{background:#0a1a30;color:#cbd5e1;padding:60px 0 24px;margin-top:60px}
footer h4{color:#fff;margin-bottom:16px;font-size:16px}
footer a:hover{color:var(--accent-2)}
footer .grid-4{gap:30px}
footer .legal{border-top:1px solid #1e293b;margin-top:40px;padding-top:20px;text-align:center;color:#64748b;font-size:14px}

/* Float buttons */
.float-call{position:fixed;bottom:24px;right:24px;z-index:99;display:flex;flex-direction:column;gap:10px}
.float-call a{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:24px;box-shadow:0 8px 22px rgba(0,0,0,.25);transition:.2s}
.float-call a:hover{transform:scale(1.08)}
.float-call .ph{background:var(--accent)}
.float-call .ln{background:#06c755}

/* Mobile menu */
.menu-toggle{display:none;background:none;border:none;font-size:28px;color:var(--brand);cursor:pointer}
@media(max-width:880px){
  .menu-toggle{display:block}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:14px;border-top:1px solid #e5e7eb;box-shadow:0 10px 24px rgba(0,0,0,.08)}
  .menu.open{display:flex}
  .menu a{width:100%}
  header.main{position:sticky}
  .nav{position:relative}
}