:root{
  --bg: #FBF6EE;
  --dark: #17303A;
  --blue: #2B93D6;
  --blue-dark: #1B6FA8;
  --green: #5FB246;
  --green-dark: #4E8C2A;
  --green-light: #8FCB5B;
  --orange: #F5A623;
  --lightblue: #3AA8DC;
  --yellow: #FFC845;
  --border: #E3EEE6;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-btn: 12px;
  --shadow: 0 6px 16px rgba(0,0,0,.12);
  --font-head: 'Mitr', sans-serif;
  --font-body: 'Sarabun', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--dark);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.5;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
h1,h2,h3{font-family:var(--font-head);margin:0;color:var(--dark);}
p{margin:0;}

.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

.section{padding:56px 0;}
.eyebrow{
  display:inline-block;
  color:var(--blue-dark);
  font-weight:600;
  font-size:14px;
  margin-bottom:8px;
}
.section h2{
  font-size:28px;
  font-weight:700;
  margin-bottom:32px;
}

/* Topbar */
.topbar{background:var(--dark);color:#fff;font-size:13px;}
.topbar-inner{
  max-width:1200px;margin:0 auto;padding:8px 24px;
  display:flex;align-items:center;justify-content:center;gap:10px;
  flex-wrap:wrap;text-align:center;
}
.topbar .dot{opacity:.6;}

/* Header */
.site-header{
  background:#fff;
  position:sticky;top:0;z-index:50;
  box-shadow:0 1px 0 rgba(0,0,0,.05);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;padding-bottom:16px;gap:24px;
}
.logo{
  font-family:var(--font-head);
  font-weight:700;font-size:24px;color:var(--dark);
  white-space:nowrap;
}
.logo span{color:var(--blue);}
.main-nav{display:flex;gap:28px;flex:1;justify-content:center;flex-wrap:wrap;}
.navlink{font-weight:600;font-size:15px;color:var(--dark);}
.navlink:hover{color:var(--blue);}
.header-actions{display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);border-radius:999px;padding:8px 16px;
  color:#8a8a8a;
}
.search-box input{
  border:none;background:transparent;outline:none;
  font-family:var(--font-body);font-size:14px;width:150px;color:var(--dark);
}
.iconbtn{
  position:relative;background:none;border:none;cursor:pointer;
  color:var(--dark);display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;
}
.iconbtn.small{width:34px;height:34px;background:var(--bg);border-radius:10px;font-size:15px;}
.cart-count{
  position:absolute;top:-2px;right:-2px;
  background:var(--blue);color:#fff;font-size:11px;font-weight:700;
  width:16px;height:16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}

/* Hero */
.hero{padding:56px 0 40px;}
.hero-grid{
  display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;
}
.hero h1{font-size:46px;font-weight:700;line-height:1.2;margin:8px 0 18px;}
.hero-copy p{font-size:17px;color:#4b5f66;margin-bottom:28px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--blue);color:#fff;font-weight:600;font-size:15px;
  padding:15px 30px;border-radius:var(--radius-btn);box-shadow:var(--shadow);
  transition:transform .15s ease, background .15s ease;
}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--dark);color:var(--dark);font-weight:600;font-size:15px;
  padding:14px 28px;border-radius:var(--radius-btn);
  transition:background .15s ease;
}
.btn-outline:hover{background:rgba(23,48,58,.06);}
.btn-outline-light{border-color:#fff;color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;}
.stat{display:flex;flex-direction:column;}
.stat strong{font-family:var(--font-head);font-size:20px;color:var(--dark);}
.stat span{font-size:13px;color:#6b7c81;}

.hero-media-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  background:#fff;border-radius:24px;padding:20px;box-shadow:var(--shadow);
}
.hero-media-grid img{
  width:100%;height:150px;object-fit:cover;border-radius:14px;background:#f2f2f2;
}
.hero-media-grid img:first-child{grid-row:span 2;height:316px;}

/* Trust bar */
.trustbar{background:var(--dark);color:#fff;padding:22px 0;}
.trustbar-inner{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px 32px;
}
.trust-item{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;}
.trust-item .check{
  width:22px;height:22px;border-radius:50%;background:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;
}

/* Age grid */
.age-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.agecard{
  border-radius:var(--radius-lg);padding:34px 20px;color:#fff;
  display:flex;flex-direction:column;gap:4px;text-align:center;align-items:center;
  transition:transform .15s ease;
}
.agecard:hover{transform:translateY(-4px);}
.age-icon{font-size:28px;margin-bottom:6px;}
.agecard strong{font-family:var(--font-head);font-size:19px;}
.agecard span{font-size:13px;opacity:.9;}
.age-blue{background:var(--blue);}
.age-green{background:var(--green);}
.age-orange{background:var(--orange);}
.age-darkgreen{background:var(--green-dark);}

/* Skill grid */
.skill-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.skillcard{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px 10px;display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:14px;font-weight:500;text-align:center;color:var(--dark);
  transition:box-shadow .15s ease, transform .15s ease;
}
.skillcard:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.skill-icon{
  width:36px;height:36px;border-radius:50%;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
}

/* Category grid */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.catcard{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:22px 16px;display:flex;align-items:center;gap:12px;
  font-weight:600;font-size:15px;
  transition:box-shadow .15s ease, transform .15s ease;
}
.catcard:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.cat-icon{font-size:22px;}

/* Products */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px;}
.section-head h2{margin-bottom:0;}
.link-more{font-weight:600;color:var(--blue-dark);font-size:14px;white-space:nowrap;}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.product-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:14px;display:flex;flex-direction:column;gap:6px;
  transition:box-shadow .15s ease, transform .15s ease;
}
.product-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.product-thumb{
  border-radius:12px;height:190px;position:relative;margin-bottom:8px;
  background:#fff;border:1px solid var(--border);overflow:hidden;
}
.product-thumb img{width:100%;height:100%;object-fit:contain;display:block;}
.thumb-blue{background:var(--blue);}
.thumb-blue2{background:#4FA7DE;}
.thumb-yellow{background:var(--yellow);}
.thumb-green{background:var(--green);}
.thumb-green2{background:var(--green-light);}
.thumb-green3{background:var(--green-dark);}
.thumb-orange{background:var(--orange);}
.badge{
  position:absolute;top:10px;left:10px;
  font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;color:#fff;
}
.badge-hot{background:#E24C4C;}
.badge-new{background:var(--blue-dark);}
.product-card h3{font-size:16px;font-weight:600;}
.product-meta{font-size:13px;color:#6b7c81;}
.price{font-family:var(--font-head);font-weight:700;font-size:17px;color:var(--dark);margin-top:2px;}
.product-actions{display:flex;gap:8px;margin-top:6px;}
.btn-view{
  flex:1;text-align:center;border:1px solid var(--dark);border-radius:10px;
  padding:9px 0;font-weight:600;font-size:14px;
}
.btn-view:hover{background:var(--dark);color:#fff;}

/* Org CTA */
.org-cta{
  background:var(--dark);color:#fff;border-radius:24px;
  padding:44px;display:flex;flex-direction:column;align-items:flex-start;gap:14px;
}
.org-cta .tag{
  background:rgba(255,255,255,.12);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
}
.org-cta h2{color:#fff;max-width:600px;}
.org-cta p{color:#c7d3d6;max-width:600px;font-size:15px;}

/* Why us */
.why-us{
  background:var(--green);color:#fff;border-radius:24px;
  display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:44px;
}
.why-copy h2{color:#fff;margin-bottom:16px;}
.why-copy p{color:#eaf5e5;font-size:15px;margin-bottom:24px;}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.why-item{
  background:rgba(255,255,255,.12);border-radius:16px;padding:18px;
  display:flex;flex-direction:column;gap:4px;
}
.why-item strong{font-size:15px;}
.why-item span{font-size:13px;color:#eaf5e5;}

/* Footer */
.site-footer{background:var(--dark);color:#cdd9db;padding:56px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr 1.2fr;gap:32px;padding-bottom:40px;
}
.footer-logo{color:#fff;margin-bottom:12px;}
.footer-logo span{color:var(--blue);}
.footer-brand p{font-size:13px;color:#9fb0b3;margin-bottom:14px;}
.line-link{
  display:inline-block;background:#06C755;color:#fff;font-size:12px;font-weight:700;
  padding:6px 14px;border-radius:999px;margin-bottom:10px;
}
.taxid{font-size:12px;color:#829699;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;font-family:var(--font-head);}
.footer-col a, .footer-col p{
  display:block;font-size:13px;color:#9fb0b3;margin-bottom:10px;
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  padding:20px 24px;max-width:1200px;margin:0 auto;font-size:12px;color:#829699;
}

/* ===================== Responsive ===================== */
@media (max-width: 1024px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-media{order:-1;}
  .skill-grid{grid-template-columns:repeat(3,1fr);}
  .cat-grid{grid-template-columns:repeat(3,1fr);}
  .product-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width: 860px){
  .main-nav{display:none;}
  .search-box input{width:100px;}
  .why-us{grid-template-columns:1fr;}
}

@media (max-width: 640px){
  .container{padding:0 18px;}
  .section{padding:40px 0;}
  .topbar-inner{flex-direction:column;gap:4px;padding:8px 18px;font-size:12px;}
  .header-inner{flex-wrap:wrap;gap:10px;}
  .header-actions{order:3;width:100%;justify-content:space-between;}
  .search-box{flex:1;}
  .search-box input{width:100%;}
  .hero{padding:32px 0 24px;}
  .hero h1{font-size:32px;}
  .hero-copy p{font-size:15px;}
  .hero-stats{gap:22px;}
  .hero-media-grid{padding:12px;gap:10px;}
  .hero-media-grid img{height:110px;}
  .hero-media-grid img:first-child{height:236px;}
  .trustbar-inner{flex-direction:column;align-items:flex-start;gap:12px;}
  .age-grid{grid-template-columns:1fr 1fr;}
  .skill-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:1fr 1fr;}
  .product-grid{grid-template-columns:1fr 1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .org-cta{padding:28px;border-radius:18px;}
  .why-us{padding:28px;border-radius:18px;}
  .why-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;padding-bottom:24px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}

@media (max-width: 420px){
  .age-grid{grid-template-columns:1fr 1fr;}
  .skill-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:1fr 1fr;}
  .product-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;}
}

/* Catalogs */
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px;}
.catalog-link{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);padding:16px 18px;font-weight:600;
  transition:box-shadow .15s ease, transform .15s ease;
}
.catalog-link:hover{box-shadow:var(--shadow);transform:translateY(-2px);}
.catalog-link span:nth-child(2){flex:1;}
.catalog-link small{font-size:11px;font-weight:700;color:#fff;background:var(--blue-dark);padding:3px 8px;border-radius:999px;}
@media (max-width:860px){.catalog-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.catalog-grid{grid-template-columns:1fr;}}

/* Search results */
.search-box{position:relative;}
.search-results{
  position:absolute;top:calc(100% + 8px);right:0;width:340px;max-width:calc(100vw - 32px);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  box-shadow:var(--shadow);padding:6px;z-index:60;max-height:380px;overflow:auto;
}
.sr-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:10px;}
.sr-item:hover,.sr-item.active{background:var(--bg);}
.sr-item small{font-size:12px;color:#6b7c81;}
.sr-empty{padding:12px;font-size:14px;color:#6b7c81;}
.sr-empty a{color:var(--blue-dark);font-weight:600;}
@media (max-width:640px){.search-results{left:0;right:auto;width:100%;}}
.sr-item{color:var(--dark);}.sr-item strong{font-weight:600;font-size:15px;}

/* Category page */
.cat-hero{padding-top:36px;}
.crumbs{font-size:13px;color:#6b7c81;margin-bottom:14px;display:flex;gap:6px;flex-wrap:wrap;}
.crumbs a{color:var(--blue-dark);font-weight:600;}
.cat-title{font-size:34px;margin:4px 0 6px;}
.cat-note{color:#6b7c81;margin-bottom:22px;}
.price-ask{font-size:14px;color:#6b7c81;font-weight:600;}
.cat-more{margin-top:36px;text-align:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:28px 20px;}
.cat-more p{margin-bottom:14px;font-weight:600;}
.cat-more-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* Brand + certificate */
.logo{display:inline-flex;align-items:center;gap:8px;}
.logo-text{font:inherit;}
.logo-icon{height:34px;width:auto;display:block;}
.footer-logo-img{display:block;width:200px;height:auto;background:#fff;border-radius:14px;padding:10px 12px;margin-bottom:14px;}
.cert-grid{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg,24px);padding:32px;}
.cert-img{display:block;border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);}
.cert-img img{display:block;width:100%;height:auto;}
.cert-copy h2{margin:6px 0 12px;}
.cert-copy p{margin-bottom:12px;color:#44585d;}
.cert-meta{font-size:13px;color:#6b7c81 !important;}
@media (max-width:860px){.cert-grid{grid-template-columns:1fr;padding:22px;gap:22px;}.cert-img{max-width:320px;}}

/* Certificates v2 */
.cert-intro{max-width:760px;color:#44585d;margin:8px 0 24px;}
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;background:none;border:none;padding:0;}
.cert-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;display:flex;flex-direction:column;gap:12px;}
.cert-card .cert-img{max-width:none;height:360px;overflow:hidden;background:#f7f7f7;}
.cert-card .cert-img img{width:100%;height:100%;object-fit:contain;object-position:top;}
.cert-card h3{font-size:18px;}
.cert-card p{color:#44585d;font-size:14px;flex:1;}
.cert-card .btn-outline{align-self:flex-start;}
@media (max-width:860px){.cert-grid{grid-template-columns:1fr;padding:0;}.cert-card .cert-img{height:320px;max-width:none;}}
.cert-grid{align-items:stretch;}