:root{
  --navy:#0b1730;
  --navy2:#132449;
  --blue:#2563eb;
  --blue-light:#60a5fa;
  --text:#1e293b;
  --muted:#64748b;
  --bg-alt:#f6f8fc;
  --border:#e2e8f0;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:'Sarabun',sans-serif;color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;}
h1,h2,h3,h4{font-weight:700;color:var(--navy);margin:0 0 12px;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:800px;}
.muted{color:var(--muted);}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:200;}
.site-header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;}
.site-logo img{height:40px;}
.site-logo-text{font-weight:700;font-size:19px;color:var(--navy);}
.site-nav{display:flex;gap:6px;}
.site-nav a{padding:10px 14px;border-radius:8px;font-size:14.5px;font-weight:500;color:var(--text);}
.site-nav a:hover{background:var(--bg-alt);text-decoration:none;}
.site-nav a.active{color:var(--blue);font-weight:700;}
.nav-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--navy);}
.nav-backdrop{display:none;}

/* Hero */
.hero{
  background:
    radial-gradient(circle 1.5px, rgba(255,255,255,.14) 1.5px, transparent 1.5px),
    linear-gradient(135deg,var(--navy) 0%,var(--navy2) 55%,#1d3a6e 100%);
  background-size: 26px 26px, 100% 100%;
  background-position: 0 0, 0 0;
  color:#fff;padding:100px 0 110px;text-align:center;position:relative;overflow:hidden;
}
.hero:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 80% 15%,rgba(96,165,250,.30),transparent 50%);pointer-events:none;}
.hero:after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 10% 90%,rgba(37,99,235,.35),transparent 45%);pointer-events:none;}
.hero-blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;pointer-events:none;z-index:0;}
.hero-blob-1{width:340px;height:340px;background:radial-gradient(circle,#3b82f6,transparent 70%);top:-120px;right:8%;animation:float-blob 9s ease-in-out infinite;}
.hero-blob-2{width:260px;height:260px;background:radial-gradient(circle,#60a5fa,transparent 70%);bottom:-100px;left:6%;animation:float-blob 11s ease-in-out infinite reverse;}
@keyframes float-blob{0%,100%{transform:translateY(0) translateX(0);}50%{transform:translateY(-22px) translateX(14px);}}
.hero-inner{position:relative;max-width:760px;z-index:1;}
.hero h1{color:#fff;font-size:clamp(28px,4.5vw,46px);margin-bottom:16px;}
.hero-sub{color:#cbd5e1;font-size:18px;margin-bottom:32px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px);color:#93c5fd;font-size:13px;font-weight:600;padding:7px 16px;border-radius:999px;margin-bottom:22px;letter-spacing:.02em;}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 8px #34d399;animation:pulse-dot 1.8s ease-in-out infinite;}
@keyframes pulse-dot{0%,100%{opacity:1;}50%{opacity:.35;}}
.btn-primary{display:inline-block;background:var(--blue);color:#fff;padding:14px 32px;border-radius:10px;font-weight:600;font-size:15px;border:none;cursor:pointer;box-shadow:0 8px 24px rgba(37,99,235,.35);transition:transform .15s,box-shadow .15s;}
.btn-primary:hover{background:#1d4ed8;text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 30px rgba(37,99,235,.45);}
.btn-outline-lg{display:inline-block;border:2px solid var(--blue);color:var(--blue);padding:11px 26px;border-radius:10px;font-weight:600;transition:transform .15s;}
.btn-outline-lg:hover{background:var(--blue);color:#fff;text-decoration:none;transform:translateY(-2px);}

/* Page hero (inner pages) */
.page-hero{
  background:
    radial-gradient(circle 1.5px, rgba(255,255,255,.12) 1.5px, transparent 1.5px),
    linear-gradient(135deg,var(--navy),var(--navy2));
  background-size: 26px 26px, 100% 100%;
  color:#fff;padding:56px 0;position:relative;overflow:hidden;
}
.page-hero:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(96,165,250,.22),transparent 50%);pointer-events:none;}
.page-hero .wrap{position:relative;z-index:1;}
.page-hero h1{color:#fff;margin:0;font-size:clamp(24px,3.5vw,34px);}

/* Sections */
.section{padding:64px 0;}
.section-alt{background:var(--bg-alt);}
.section-title{text-align:center;font-size:clamp(22px,3vw,30px);margin-bottom:36px;}
.center-cta{text-align:center;margin-top:32px;}
.richtext{font-size:15.5px;color:var(--text);}
.richtext p{margin:0 0 14px;}
.richtext img{border-radius:10px;margin:16px 0;}

/* Cards / grids */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;}
.service-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:30px 24px;transition:transform .18s,box-shadow .18s,border-color .18s;position:relative;overflow:hidden;}
.service-card:before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--blue-light));transform:scaleX(0);transform-origin:left;transition:transform .25s;}
.service-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(15,23,42,.10);border-color:transparent;}
.service-card:hover:before{transform:scaleX(1);}
.service-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;font-size:26px;border-radius:14px;margin-bottom:16px;background:linear-gradient(135deg,#eff6ff,#dbeafe);box-shadow:inset 0 0 0 1px rgba(37,99,235,.12);}
.service-card h3{font-size:18px;margin-bottom:8px;}
.service-card p{color:var(--muted);font-size:14px;margin:0;}

.article-card{display:block;background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;color:inherit;transition:transform .18s,box-shadow .18s;}
.article-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(15,23,42,.10);text-decoration:none;}
.article-card img{width:100%;height:170px;object-fit:cover;}
.article-card-body{padding:18px 20px;}
.article-card-body h3{font-size:16.5px;margin-bottom:8px;}
.article-card-body p{color:var(--muted);font-size:13.5px;margin:0;}
.article-date{color:var(--blue);font-size:12.5px;font-weight:600;margin-bottom:6px;}

.article-detail h1{margin-bottom:16px;}
.article-cover{width:100%;max-height:420px;object-fit:cover;border-radius:14px;margin-bottom:24px;}

.logo-strip{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:center;}
.logo-strip img{height:52px;max-width:150px;object-fit:contain;filter:grayscale(1);opacity:.75;transition:.2s;}
.logo-strip img:hover{filter:none;opacity:1;}
.logo-text{font-weight:600;color:var(--muted);padding:10px 16px;border:1px dashed var(--border);border-radius:8px;}

.customer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px;}
.customer-tile{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;display:flex;align-items:center;justify-content:center;min-height:100px;transition:transform .15s,box-shadow .15s;}
.customer-tile:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(15,23,42,.08);}
.customer-tile img{max-height:60px;max-width:100%;object-fit:contain;}

.stat-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:48px;text-align:center;}
.stat-block-num{font-size:38px;font-weight:700;background:linear-gradient(135deg,var(--blue),var(--blue-light));-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-block-label{color:var(--muted);font-size:14px;margin-top:4px;}

.vm-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;}
.vm-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:32px;position:relative;overflow:hidden;transition:transform .18s,box-shadow .18s;}
.vm-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(15,23,42,.08);}
.vm-icon{width:60px;height:60px;display:flex;align-items:center;justify-content:center;font-size:28px;border-radius:16px;margin-bottom:14px;background:linear-gradient(135deg,#eff6ff,#dbeafe);}

.cta-band{
  background:
    radial-gradient(circle 1.5px, rgba(255,255,255,.10) 1.5px, transparent 1.5px),
    linear-gradient(135deg,var(--navy),var(--navy2));
  background-size: 26px 26px, 100% 100%;
  color:#fff;text-align:center;position:relative;overflow:hidden;
}
.cta-band:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(96,165,250,.25),transparent 55%);pointer-events:none;}
.cta-band .wrap{position:relative;z-index:1;}
.cta-band h2{color:#fff;}
.cta-band p{color:#cbd5e1;margin-bottom:24px;}

.pagination{display:flex;gap:8px;justify-content:center;margin-top:36px;}
.pagination a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;}
.pagination a.active{background:var(--blue);color:#fff;border-color:var(--blue);}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.contact-form-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-weight:600;font-size:13.5px;margin-bottom:6px;color:var(--navy);}
.form-row input,.form-row textarea{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:14.5px;}
.form-row input:focus,.form-row textarea:focus{outline:2px solid var(--blue);border-color:var(--blue);}
.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px;}
.flash-ok{background:#dcfce7;color:#166534;}
.flash-err{background:#fee2e2;color:#b91c1c;}
.map-embed{margin-top:16px;border-radius:12px;overflow:hidden;}

/* Footer */
.site-footer{background:var(--navy);color:#cbd5e1;padding:52px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{color:#fff;}
.footer-desc{font-size:13.5px;color:#94a3b8;margin-top:8px;}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:14px;}
.site-footer a{display:block;color:#cbd5e1;font-size:14px;margin-bottom:8px;}
.site-footer a:hover{color:#fff;}
.footer-social{display:flex;gap:14px;margin-top:6px;}
.footer-social a{display:inline;margin:0;}
.footer-bottom{padding:18px 0;text-align:center;font-size:12.5px;color:#64748b;}

@media (max-width:860px){
  .nav-toggle{display:block;}
  .site-nav{position:fixed;top:70px;right:0;bottom:0;width:250px;background:#fff;flex-direction:column;padding:16px;transform:translateX(100%);transition:transform .2s;box-shadow:-6px 0 24px rgba(0,0,0,.1);overflow-y:auto;}
  body.nav-open .site-nav{transform:translateX(0);}
  body.nav-open .nav-backdrop{display:block;position:fixed;inset:0;top:70px;background:rgba(0,0,0,.3);z-index:150;}
  .site-nav a{padding:12px 10px;border-bottom:1px solid var(--border);}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .hero{padding:64px 0 72px;}
  .section{padding:44px 0;}
}