*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#2b2b2b;
  --primary-dark:#1a1a1a;
  --gold:#c8a96e;
  --gold-light:#e8d5a3;
  --gold-pale:#faf5eb;
  --red:#c41e2a;
  --white:#ffffff;
  --bg:#ffffff;
  --surface:#f7f7f7;
  --border:#e0e0e0;
  --text:#1a1a1a;
  --muted:#777777;
  --dark-section:#222222;
}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans Thai',sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.7;font-weight:400}
[hidden]{display:none!important}

/* NAV */
nav{background:var(--primary-dark);padding:0 6%;display:flex;align-items:center;justify-content:space-between;height:66px;position:sticky;top:0;z-index:100;border-bottom:2px solid var(--gold)}
.nav-logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.nav-logo-text{color:var(--white);font-size:17px;font-weight:500;letter-spacing:0.3px;line-height:1.3}
.nav-logo-text span{color:var(--gold)}
.nav-logo-sub{display:block;font-size:10px;color:rgba(255,255,255,0.45);font-weight:300;letter-spacing:1px}
.nav-links{display:flex;gap:28px;list-style:none;align-items:center}
.nav-links a{color:rgba(255,255,255,0.7);text-decoration:none;font-size:14px;font-weight:400;transition:color 0.2s;letter-spacing:0.3px}
.nav-links a:hover{color:var(--gold)}
.nav-links a.active{color:var(--gold);font-weight:500}
.nav-cta-mobile{display:none}
.btn-gold-sm{background:var(--gold);color:var(--primary-dark)!important;padding:8px 18px;border-radius:3px;font-weight:600;font-size:14px}
.btn-gold-sm:hover{opacity:0.9}
.nav-right{display:flex;align-items:center;gap:12px}
/* hamburger (มือถือ) */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:38px;height:38px;background:transparent;border:1px solid rgba(255,255,255,0.25);border-radius:4px;cursor:pointer;padding:0 9px}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--gold-light);transition:all 0.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.lang-btn{background:transparent;border:1px solid rgba(255,255,255,0.25);color:rgba(255,255,255,0.7);padding:6px 14px;border-radius:3px;cursor:pointer;font-size:13px;font-family:'Noto Sans Thai',sans-serif;transition:all 0.2s}
.lang-btn:hover{border-color:var(--gold);color:var(--gold)}
.dashboard-btn{display:flex;align-items:center;gap:6px;background:transparent;border:1px solid rgba(200,169,110,0.4);color:rgba(200,169,110,0.8);padding:6px 14px;border-radius:3px;font-size:13px;font-family:'Noto Sans Thai',sans-serif;text-decoration:none;transition:all 0.2s;white-space:nowrap}
.dashboard-btn:hover{border-color:var(--gold);color:var(--gold);background:rgba(200,169,110,0.08)}
.login-btn{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.25);color:rgba(255,255,255,0.72);padding:6px 14px;border-radius:3px;font-size:13px;font-family:'Noto Sans Thai',sans-serif;text-decoration:none;transition:all 0.2s;white-space:nowrap}
.login-btn:hover{border-color:var(--gold);color:var(--gold);background:rgba(200,169,110,0.08)}

/* HERO */
.hero{background:linear-gradient(135deg,#161616 0%,#242424 55%,#2e2920 100%);color:white;padding:90px 6% 70px;position:relative;overflow:hidden;text-align:center}
.hero-deco{position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(200,169,110,0.13),transparent 70%);top:-120px;right:-100px;pointer-events:none}
.hero-deco2{position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(200,169,110,0.08),transparent 70%);bottom:-140px;left:-80px;pointer-events:none}
.hero-badge{display:inline-block;border:1px solid rgba(200,169,110,0.4);background:rgba(200,169,110,0.08);color:var(--gold-light);font-size:12px;letter-spacing:2px;padding:7px 20px;border-radius:30px;margin-bottom:24px;font-weight:400}
.hero h1{font-size:44px;font-weight:600;line-height:1.3;letter-spacing:0.3px;margin-bottom:14px}
.hero h1 .gold{color:var(--gold)}
.hero-slogan{font-size:18px;color:var(--gold-light);font-weight:400;letter-spacing:1px;margin-bottom:18px}
.hero p{max-width:640px;margin:0 auto 34px;color:rgba(255,255,255,0.6);font-size:15px;font-weight:300;line-height:1.9}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:52px}
.btn-gold{background:var(--gold);color:var(--primary-dark);padding:13px 30px;border-radius:3px;text-decoration:none;font-weight:600;font-size:15px;letter-spacing:0.3px;transition:opacity 0.2s;display:inline-block}
.btn-gold:hover{opacity:0.88}
.btn-ghost{border:1px solid rgba(255,255,255,0.3);color:rgba(255,255,255,0.85);padding:13px 30px;border-radius:3px;text-decoration:none;font-weight:400;font-size:15px;transition:all 0.2s;display:inline-block}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.hero-stats{display:flex;gap:0;justify-content:center;flex-wrap:wrap}
.stat-item{padding:0 44px;border-right:1px solid rgba(255,255,255,0.12)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:26px;font-weight:600;color:var(--gold);letter-spacing:0.5px}
.stat-label{font-size:12px;color:rgba(255,255,255,0.5);font-weight:300;letter-spacing:0.5px}

/* KEYWORD STRIP */
.kw-strip{background:var(--gold-pale);border-top:1px solid rgba(200,169,110,0.3);border-bottom:1px solid rgba(200,169,110,0.3);overflow:hidden;padding:12px 0;white-space:nowrap}
.kw-inner{display:inline-flex;gap:14px;animation:kwscroll 40s linear infinite}
.kw-item{display:inline-block;font-size:13px;color:#7a5800;font-weight:300;padding:3px 16px;border:1px solid rgba(200,169,110,0.35);border-radius:20px;background:rgba(255,255,255,0.6)}
@keyframes kwscroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* SECTIONS */
section{padding:80px 6%}
.section-eyebrow{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--gold);font-weight:500;margin-bottom:10px}
h2{font-size:32px;font-weight:600;color:var(--text);margin-bottom:14px;letter-spacing:0.3px}
.section-lead{color:var(--muted);font-size:15px;max-width:660px;margin-bottom:52px;line-height:1.9;font-weight:300}
.divider{height:1px;background:var(--border);margin:0 6%}

/* ABOUT */
.about-section{background:var(--white)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.about-body{font-size:14px;color:var(--muted);line-height:2;font-weight:300}
.about-body p{margin-bottom:16px}
.about-body p:last-child{margin-bottom:0}
.about-body strong{color:var(--text);font-weight:500}
.about-highlights{display:grid;gap:12px;margin-top:32px}
.hl-row{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:var(--surface);border-left:3px solid var(--gold);border-radius:0 6px 6px 0}
.hl-icon{width:36px;height:36px;min-width:36px;background:var(--gold-pale);border-radius:4px;display:flex;align-items:center;justify-content:center}
.hl-icon svg{width:17px;height:17px;stroke:var(--primary);fill:none;stroke-width:1.8}
.hl-text h4{font-size:14px;font-weight:500;margin-bottom:2px;color:var(--text)}
.hl-text p{font-size:13px;color:var(--muted);font-weight:300}
.info-card{background:var(--primary-dark);border-radius:6px;padding:36px;color:white;border-top:3px solid var(--gold)}
.info-card h3{font-size:16px;color:var(--gold);margin-bottom:22px;font-weight:500;letter-spacing:0.5px}
.info-list{list-style:none;display:grid;gap:16px}
.info-list li{display:flex;gap:14px;font-size:14px;color:rgba(255,255,255,0.75);border-bottom:1px solid rgba(255,255,255,0.07);padding-bottom:16px;font-weight:300}
.info-list li:last-child{border:none;padding-bottom:0}
.i-label{color:var(--gold-light);min-width:90px;font-size:12px;letter-spacing:0.3px;font-weight:400;flex-shrink:0;padding-top:2px}

/* PRODUCTS */
.products-section{background:var(--surface)}
.prod-tabs{display:flex;gap:0;margin-bottom:40px;border:1px solid var(--border);border-radius:4px;overflow:hidden;width:fit-content;max-width:100%;flex-wrap:wrap;background:var(--white)}
.prod-tab{padding:10px 22px;border:none;font-size:14px;cursor:pointer;background:transparent;color:var(--muted);transition:all 0.2s;font-family:'Noto Sans Thai',sans-serif;font-weight:400;border-right:1px solid var(--border)}
.prod-tab:last-child{border-right:none}
.prod-tab.active{background:var(--primary-dark);color:var(--gold);font-weight:500}
.prod-tab:hover:not(.active){background:var(--gold-pale);color:var(--text)}
.prod-section{display:none}
.prod-section.active{display:block}
.core-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod-card{background:var(--white);border:1px solid var(--border);border-radius:6px;padding:26px;transition:all 0.25s;cursor:default}
.prod-card:hover{border-color:var(--gold);box-shadow:0 4px 20px rgba(0,0,0,0.06);transform:translateY(-2px)}
.prod-card:hover .p-icon{background:var(--gold)}
.prod-card:hover .p-icon svg{stroke:var(--primary-dark)}
.p-icon{width:42px;height:42px;background:var(--primary-dark);border-radius:5px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;transition:all 0.25s}
.p-icon svg{width:20px;height:20px;stroke:var(--gold);fill:none;stroke-width:1.8;transition:stroke 0.25s}
.prod-card h3{font-size:15px;font-weight:500;margin-bottom:4px;letter-spacing:0.2px}
.prod-card .sub{font-size:12px;color:var(--muted);margin-bottom:16px;font-weight:300;letter-spacing:0.5px}
.spec-list{list-style:none;display:grid;gap:0;margin-bottom:14px;border:1px solid var(--border);border-radius:4px;overflow:hidden}
.spec-list li{display:flex;justify-content:space-between;font-size:13px;padding:7px 12px;border-bottom:1px solid var(--border);background:var(--white);font-weight:300}
.spec-list li:last-child{border:none}
.spec-list li:nth-child(even){background:var(--surface)}
.spec-list li span:first-child{color:var(--muted)}
.spec-list li span:last-child{font-weight:500;color:var(--text)}
.use-tag{background:var(--gold-pale);border:1px solid rgba(200,169,110,0.3);border-radius:4px;padding:8px 12px;font-size:12px;color:#5a3a00;font-weight:300;line-height:1.6}
.app-intro{background:var(--white);border:1px solid var(--border);border-left:3px solid var(--gold);border-radius:0 6px 6px 0;padding:20px 22px;margin-bottom:22px;font-size:14px;color:var(--muted);line-height:1.9;font-weight:300}
.app-intro strong{color:var(--text);font-weight:500}
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.app-card{background:var(--white);border:1px solid var(--border);border-radius:6px;padding:20px;transition:border-color 0.2s}
.app-card:hover{border-color:var(--gold)}
.app-card h4{font-size:14px;font-weight:500;margin-bottom:6px;color:var(--text)}
.app-card p{font-size:13px;color:var(--muted);font-weight:300;line-height:1.7}
.app-tag{display:inline-block;background:var(--gold-pale);color:#7a5800;font-size:11px;padding:2px 9px;border-radius:2px;margin-bottom:9px;font-weight:500;letter-spacing:0.5px;border:1px solid rgba(200,169,110,0.3)}
.custom-banner{margin-top:22px;background:var(--primary-dark);border-radius:6px;padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border-left:4px solid var(--gold)}
.custom-banner p{color:rgba(255,255,255,0.85);font-size:15px;font-weight:400}
.custom-banner p strong{color:var(--gold-light);font-weight:500}
.custom-banner span{font-size:14px;font-weight:300;color:rgba(255,255,255,0.6)}

/* SIZE TABLE */
.size-table-wrap{background:var(--white);border:1px solid var(--border);border-radius:6px;overflow:hidden;margin-bottom:22px}
.size-table{width:100%;border-collapse:collapse}
.size-table thead th{background:var(--primary-dark);color:var(--gold);font-size:13px;font-weight:500;letter-spacing:0.5px;padding:13px 18px;text-align:left;border-bottom:2px solid var(--gold)}
.size-table tbody td{padding:11px 18px;font-size:13.5px;font-weight:300;color:var(--text);border-bottom:1px solid var(--border)}
.size-table tbody tr:last-child td{border-bottom:none}
.size-table tbody tr:nth-child(even){background:var(--surface)}
.size-table tbody tr:hover{background:var(--gold-pale)}
.size-cat{display:inline-block;font-size:11px;padding:2px 10px;border-radius:2px;font-weight:500;letter-spacing:0.3px}
.size-cat.large{background:rgba(196,30,42,0.08);color:var(--red);border:1px solid rgba(196,30,42,0.25)}
.size-cat.small{background:var(--gold-pale);color:#7a5800;border:1px solid rgba(200,169,110,0.35)}
.size-cat.fine{background:#eef4ee;color:#3a6b3a;border:1px solid rgba(90,140,90,0.35)}
.size-mm{font-weight:500;color:var(--text)}
.size-note{font-size:13px;color:var(--muted);font-weight:300;line-height:1.9;background:var(--gold-pale);border:1px solid rgba(200,169,110,0.3);border-radius:4px;padding:14px 18px}
.size-note strong{color:#5a3a00;font-weight:500}

/* MAP */
.map-section{background:var(--white)}
.map-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:stretch}
.map-info{display:flex;flex-direction:column;gap:20px;justify-content:center}
.map-frame{border:1px solid var(--border);border-radius:6px;overflow:hidden;border-top:3px solid var(--gold);min-height:380px}
.map-frame iframe{width:100%;height:100%;min-height:380px;border:0;display:block}
.map-card{background:var(--surface);border-left:3px solid var(--gold);border-radius:0 6px 6px 0;padding:18px 20px}
.map-card h4{font-size:14px;font-weight:500;margin-bottom:4px}
.map-card p{font-size:13.5px;color:var(--muted);font-weight:300;line-height:1.8}
.map-card a{color:#8a6420;text-decoration:none;font-weight:400}
.map-card a:hover{text-decoration:underline}

/* CONTACT */
.contact-section{background:var(--dark-section);color:white}
.contact-section h2{color:white}
.contact-section .section-lead{color:rgba(255,255,255,0.55)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.c-info{display:grid;gap:22px}
.c-row{display:flex;gap:16px;align-items:flex-start}
.c-icon{width:40px;height:40px;min-width:40px;background:rgba(200,169,110,0.12);border-radius:4px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(200,169,110,0.2)}
.c-icon svg{width:17px;height:17px;stroke:var(--gold);fill:none;stroke-width:1.8}
.c-row h4{font-size:12px;font-weight:500;color:var(--gold-light);margin-bottom:3px;letter-spacing:0.5px;text-transform:uppercase}
.c-row p{font-size:14px;color:rgba(255,255,255,0.7);font-weight:300;line-height:1.7}
.c-row a{color:var(--gold-light);text-decoration:none}
.c-row a:hover{text-decoration:underline}
.c-form{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:6px;padding:30px;border-top:3px solid var(--gold)}
.fg{margin-bottom:14px}
.fg label{display:block;font-size:12px;color:rgba(255,255,255,0.5);margin-bottom:5px;letter-spacing:0.5px;font-weight:400}
.fg input,.fg select,.fg textarea{width:100%;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.12);border-radius:3px;padding:10px 14px;color:white;font-size:14px;font-family:'Noto Sans Thai',sans-serif;font-weight:300;outline:none;transition:border-color 0.2s}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--gold)}
.fg select option{background:#222;color:white}
.fg textarea{resize:vertical;min-height:78px}
.fg-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.btn-submit{width:100%;background:var(--gold);color:var(--primary-dark);border:none;padding:13px;border-radius:3px;font-weight:600;font-size:15px;cursor:pointer;transition:opacity 0.2s;margin-top:6px;font-family:'Noto Sans Thai',sans-serif;letter-spacing:0.3px}
.btn-submit:hover{opacity:0.88}
.btn-submit:disabled{opacity:0.55;cursor:not-allowed}
.form-note{font-size:12px;color:rgba(255,255,255,0.3);margin-top:8px;text-align:center;font-weight:300}
.success-msg{display:none;text-align:center;padding:28px;color:var(--gold-light);font-size:15px;line-height:2}
.line-add-btn{display:inline-block;background:#06c755;color:#fff!important;padding:7px 18px;border-radius:3px;font-weight:500;font-size:13px;text-decoration:none!important;transition:opacity 0.2s}
.line-add-btn:hover{opacity:0.85;text-decoration:none!important}

footer{background:#111;padding:48px 6% 22px;border-top:2px solid rgba(200,169,110,0.3)}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.4fr;gap:40px;max-width:1200px;margin:0 auto 32px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-brand{color:var(--white);font-size:18px;font-weight:500;letter-spacing:0.3px;margin-bottom:10px}
.footer-brand span{color:var(--gold)}
.footer-col h5{color:var(--gold-light);font-size:13px;font-weight:500;letter-spacing:0.5px;margin-bottom:14px;text-transform:uppercase}
.footer-col a{display:block;color:rgba(255,255,255,0.55);font-size:13.5px;font-weight:300;text-decoration:none;padding:4px 0;transition:color 0.2s}
.footer-col a:hover{color:var(--gold)}
.footer-sub{color:rgba(255,255,255,0.45);font-size:13px;font-weight:300;line-height:1.8;margin-bottom:4px}
.footer-sub a{color:var(--gold-light);text-decoration:none}
.footer-bottom{max-width:1200px;margin:0 auto;text-align:center}
.footer-bottom p{color:rgba(255,255,255,0.32);font-size:12.5px;font-weight:300;line-height:1.8}

/* LANG (class อยู่บน <html> เพื่อ apply ได้ตั้งแต่ก่อน render) */
.th{display:block}.en{display:none}
.lang-en .th{display:none}
.lang-en .en{display:block}
.th-i{display:inline}.en-i{display:none}
.lang-en .th-i{display:none}
.lang-en .en-i{display:inline}

/* RESPONSIVE */
@media(max-width:900px){
  nav{flex-wrap:wrap}
  .nav-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;align-items:stretch;background:var(--primary-dark);border-bottom:2px solid var(--gold);padding:6px 6% 14px;box-shadow:0 12px 24px rgba(0,0,0,0.25)}
  .nav-links.open{display:flex}
  .nav-links li{width:100%;border-bottom:1px solid rgba(255,255,255,0.06)}
  .nav-links li:last-child{border-bottom:none}
  .nav-links a{display:block;padding:13px 2px;font-size:15px}
  .nav-cta-mobile{display:block;margin-top:10px}
  .nav-cta-mobile a{text-align:center}
  .hero h1{font-size:32px}
  .about-grid,.contact-grid,.map-grid{grid-template-columns:1fr}
  .core-grid,.app-grid{grid-template-columns:1fr 1fr}
  .stat-item{padding:0 22px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:600px){
  .core-grid,.app-grid{grid-template-columns:1fr}
  .hero h1{font-size:27px}
  section{padding:60px 5%}
  .size-table thead th,.size-table tbody td{padding:9px 10px;font-size:12.5px}
  .footer-cols{grid-template-columns:1fr;gap:24px}
}

/* ============================================================
   COMPONENTS (multi-page upgrade)
   ============================================================ */

/* helpers */
.wrap{max-width:1200px;margin:0 auto}
.center{text-align:center}
.center .section-lead{margin-left:auto;margin-right:auto}
.bg-surface{background:var(--surface)}
.bg-pale{background:var(--gold-pale)}
.bg-dark{background:var(--dark-section);color:#fff}
.bg-dark h2{color:#fff}
.bg-dark .section-lead{color:rgba(255,255,255,0.6)}
.bg-dark .section-eyebrow{color:var(--gold-light)}

/* รูป placeholder — โชว์พื้น gradient + คำอธิบาย จนกว่าจะใส่รูปจริง */
.ph{position:relative;background:linear-gradient(135deg,#26241f 0%,#3a3326 60%,#2b2b2b 100%);background-size:cover;background-position:center;border-radius:6px;overflow:hidden;display:flex;align-items:flex-end;min-height:200px}
.ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,0.45))}
.ph-cap{position:relative;z-index:1;color:rgba(255,255,255,0.75);font-size:12px;font-weight:300;padding:12px 14px;letter-spacing:0.3px}
.ph-cap::before{content:"📷 ";opacity:0.6}

/* PAGE HERO (หน้ารอง) */
.page-hero{background:linear-gradient(135deg,#161616 0%,#242424 55%,#2e2920 100%);color:#fff;padding:64px 6% 56px;position:relative;overflow:hidden}
.page-hero .section-eyebrow{color:var(--gold)}
.page-hero h1{font-size:38px;font-weight:600;line-height:1.3;margin-bottom:14px;max-width:820px}
.page-hero h1 .gold{color:var(--gold)}
.page-hero p{max-width:680px;color:rgba(255,255,255,0.62);font-size:15px;font-weight:300;line-height:1.9}
.breadcrumb{font-size:12.5px;color:rgba(255,255,255,0.5);font-weight:300;margin-bottom:18px;letter-spacing:0.3px}
.breadcrumb a{color:rgba(255,255,255,0.7);text-decoration:none}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb span{color:var(--gold-light)}

/* TRUSTED BY */
.trust-bar{background:var(--white);padding:40px 6%;border-bottom:1px solid var(--border)}
.trust-title{text-align:center;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:24px}
.trust-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;max-width:1100px;margin:0 auto}
.trust-item{display:flex;align-items:center;justify-content:center;text-align:center;min-height:64px;padding:14px 26px;border:1px solid var(--border);border-radius:6px;background:var(--surface);font-size:15px;font-weight:500;color:var(--text);min-width:180px;flex:1 1 180px;max-width:240px;transition:all 0.2s}
.trust-item:hover{border-color:var(--gold);box-shadow:0 4px 16px rgba(0,0,0,0.05)}
.trust-item small{display:block;font-size:11px;color:var(--muted);font-weight:300;margin-top:3px}
.trust-item img{max-width:100%;max-height:46px;object-fit:contain}

/* STATS BAND */
.stats-band{background:var(--primary-dark);color:#fff;padding:56px 6%}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:1100px;margin:0 auto;text-align:center}
.stat-box{padding:10px}
.stat-box .num{font-size:40px;font-weight:600;color:var(--gold);line-height:1.1}
.stat-box .lbl{font-size:13.5px;color:rgba(255,255,255,0.6);font-weight:300;margin-top:8px;letter-spacing:0.3px}

/* WHY US */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1100px;margin:0 auto}
.why-card{background:var(--white);border:1px solid var(--border);border-radius:6px;padding:28px 26px;border-top:3px solid var(--gold);transition:all 0.25s}
.why-card:hover{box-shadow:0 6px 22px rgba(0,0,0,0.06);transform:translateY(-2px)}
.why-card .why-icon{width:46px;height:46px;background:var(--gold-pale);border-radius:6px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.why-card .why-icon svg{width:22px;height:22px;stroke:var(--primary);fill:none;stroke-width:1.7}
.why-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.why-card p{font-size:14px;color:var(--muted);font-weight:300;line-height:1.8}

/* SPLIT (รูป + เนื้อหา) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;max-width:1150px;margin:0 auto}
.split.rev .split-media{order:2}
.split-media{min-height:320px}
.split-body h2{margin-bottom:16px}
.split-body .lead{font-size:14.5px;color:var(--muted);font-weight:300;line-height:1.95;margin-bottom:20px}
.split-list{list-style:none;display:grid;gap:12px;margin-bottom:24px}
.split-list li{display:flex;gap:11px;font-size:14px;color:var(--text);font-weight:300;align-items:flex-start}
.split-list li::before{content:"✓";color:var(--gold);font-weight:600;flex-shrink:0}

/* PROCESS TIMELINE */
.process{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;max-width:1150px;margin:0 auto;counter-reset:step}
.proc-step{background:var(--white);border:1px solid var(--border);border-radius:6px;padding:20px 16px;text-align:center;position:relative}
.proc-step .proc-media{height:90px;margin-bottom:14px}
.proc-step .proc-no{counter-increment:step;width:30px;height:30px;background:var(--primary-dark);color:var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;margin:0 auto 10px}
.proc-step .proc-no::before{content:counter(step)}
.proc-step h4{font-size:14px;font-weight:500;margin-bottom:5px}
.proc-step p{font-size:12px;color:var(--muted);font-weight:300;line-height:1.6}

/* GALLERY */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;max-width:1150px;margin:0 auto}
.gallery .ph{min-height:200px}

/* CERTIFICATES */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px;max-width:1100px;margin:0 auto}
.cert-card{background:var(--white);border:1px solid var(--border);border-radius:6px;overflow:hidden;transition:all 0.2s;display:flex;flex-direction:column}
.cert-card:hover{border-color:var(--gold);box-shadow:0 6px 22px rgba(0,0,0,0.07)}
.cert-card .cert-img{height:240px;background:var(--surface)}
.cert-card .cert-img.ph{border-radius:0;min-height:240px}
.cert-card .cert-body{padding:16px 18px}
.cert-card h4{font-size:14px;font-weight:500;margin-bottom:4px}
.cert-card p{font-size:12.5px;color:var(--muted);font-weight:300;line-height:1.6}
.btn-download{display:inline-flex;align-items:center;gap:7px;margin-top:12px;background:var(--gold-pale);border:1px solid rgba(200,169,110,0.4);color:#7a5800;padding:7px 14px;border-radius:4px;font-size:12.5px;font-weight:500;text-decoration:none;transition:all 0.2s}
.btn-download:hover{background:var(--gold);color:var(--primary-dark)}

/* QC / spec list cards */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;max-width:1150px;margin:0 auto}
.feature-card{background:var(--white);border:1px solid var(--border);border-left:3px solid var(--gold);border-radius:0 6px 6px 0;padding:22px 24px}
.feature-card h4{font-size:15px;font-weight:600;margin-bottom:8px}
.feature-card p{font-size:13.5px;color:var(--muted);font-weight:300;line-height:1.8}
.feature-card ul{list-style:none;margin-top:10px;display:grid;gap:6px}
.feature-card ul li{font-size:13px;color:var(--text);font-weight:300;padding-left:18px;position:relative}
.feature-card ul li::before{content:"•";color:var(--gold);position:absolute;left:4px;font-weight:700}

/* CASE STUDIES */
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;max-width:1150px;margin:0 auto}
.case-card{background:var(--white);border:1px solid var(--border);border-radius:6px;overflow:hidden;transition:all 0.25s}
.case-card:hover{border-color:var(--gold);box-shadow:0 6px 22px rgba(0,0,0,0.07);transform:translateY(-2px)}
.case-card .case-media{height:170px}
.case-card .case-body{padding:22px 24px}
.case-card .case-tag{display:inline-block;background:var(--gold-pale);color:#7a5800;font-size:11px;padding:3px 10px;border-radius:2px;margin-bottom:10px;font-weight:500;letter-spacing:0.4px;border:1px solid rgba(200,169,110,0.3)}
.case-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.case-card p{font-size:13.5px;color:var(--muted);font-weight:300;line-height:1.8}

/* TESTIMONIALS */
.quote-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;max-width:1100px;margin:0 auto}
.quote-card{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:28px 26px;position:relative}
.quote-card::before{content:"\201C";position:absolute;top:6px;left:18px;font-size:60px;color:rgba(200,169,110,0.35);font-family:Georgia,serif;line-height:1}
.quote-card .q-text{font-size:14.5px;color:var(--text);font-weight:300;line-height:1.9;font-style:italic;margin:14px 0 18px;position:relative;z-index:1}
.quote-card .q-author{font-size:13.5px;font-weight:500;color:var(--text)}
.quote-card .q-org{font-size:12.5px;color:var(--muted);font-weight:300}

/* CLIENTS GRID */
.client-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;max-width:1100px;margin:0 auto}
.client-card{background:var(--white);border:1px solid var(--border);border-radius:6px;padding:26px 22px;text-align:center;transition:all 0.2s}
.client-card:hover{border-color:var(--gold);box-shadow:0 4px 18px rgba(0,0,0,0.05)}
.client-logo{height:54px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--gold);opacity:0.85}
.client-logo svg{width:30px;height:30px;stroke:var(--gold);fill:none;stroke-width:1.6}
.client-logo img{max-height:54px;max-width:100%;object-fit:contain}
.client-card h4{font-size:14.5px;font-weight:500;margin-bottom:4px}
.client-card p{font-size:12.5px;color:var(--muted);font-weight:300;line-height:1.6}

/* CTA BAND */
.cta-band{background:linear-gradient(135deg,#1c1a16,#2e2920);color:#fff;text-align:center;padding:64px 6%;border-top:3px solid var(--gold)}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,0.62);font-weight:300;max-width:560px;margin:0 auto 26px;line-height:1.9}
.cta-band .hero-btns{margin-bottom:0}

/* card link arrow */
.more-link{display:inline-flex;align-items:center;gap:6px;color:#8a6420;font-size:14px;font-weight:500;text-decoration:none;margin-top:8px}
.more-link:hover{gap:10px;color:var(--gold)}
.bg-dark .more-link{color:var(--gold-light)}

/* COMPONENT RESPONSIVE */
@media(max-width:980px){
  .process{grid-template-columns:repeat(3,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .why-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .split,.split.rev .split-media{grid-template-columns:1fr;order:0}
  .split{gap:28px}
  .page-hero h1{font-size:29px}
}
@media(max-width:600px){
  .process{grid-template-columns:1fr 1fr}
  .stat-box .num{font-size:32px}
  .cta-band h2{font-size:23px}
}

/* ============================================================
   NAV DROPDOWN (Applications) + RELATED LINKS (SEO internal linking)
   ============================================================ */
.nav-links li.has-sub{position:relative}
.nav-sub{list-style:none;margin:0;padding:8px 0;position:absolute;top:100%;left:0;min-width:230px;
  background:var(--primary-dark);border:1px solid rgba(255,255,255,0.08);border-top:2px solid var(--gold);
  border-radius:0 0 6px 6px;box-shadow:0 14px 28px rgba(0,0,0,0.3);opacity:0;visibility:hidden;
  transform:translateY(6px);transition:opacity .18s,transform .18s,visibility .18s;z-index:60}
.nav-links li.has-sub:hover>.nav-sub,.nav-links li.has-sub:focus-within>.nav-sub{opacity:1;visibility:visible;transform:translateY(0)}
.nav-sub li{width:100%}
.nav-sub a{display:block;padding:9px 18px;font-size:13.5px;white-space:nowrap}
.has-sub>a::after{content:"▾";font-size:10px;margin-left:5px;opacity:.7}

/* RELATED block — reuse card look for cross-linking pages */
.related{background:var(--surface);border-top:1px solid var(--border)}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;max-width:1150px;margin:0 auto}
.related-card{display:block;background:var(--white);border:1px solid var(--border);border-radius:6px;padding:18px 20px;
  text-decoration:none;transition:border-color .2s,transform .2s}
.related-card:hover{border-color:var(--gold);transform:translateY(-2px)}
.related-card .rc-kicker{font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:6px}
.related-card h4{font-size:14.5px;font-weight:600;color:var(--text);margin-bottom:6px;line-height:1.45}
.related-card p{font-size:13px;color:var(--muted);font-weight:300;line-height:1.7}

/* ARTICLE / KNOWLEDGE prose */
.article-meta{color:rgba(255,255,255,0.5);font-size:13px;margin-top:12px;font-weight:300}
.prose{max-width:760px;margin:0 auto}
.prose h2{font-size:22px;font-weight:600;margin:34px 0 12px;line-height:1.4}
.prose h3{font-size:16px;font-weight:600;margin:22px 0 8px}
.prose p{color:var(--muted);font-weight:300;line-height:1.95;font-size:15px;margin-bottom:14px}
.prose ul{list-style:none;display:grid;gap:10px;margin:0 0 18px}
.prose ul li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text);font-weight:300;line-height:1.8}
.prose ul li::before{content:"✓";color:var(--gold);position:absolute;left:0;font-weight:600}
.prose strong{color:var(--text);font-weight:500}

@media(max-width:900px){
  /* บนมือถือ: เมนูย่อยแสดงแบบ inline (ไม่ต้องชี้ค้าง) */
  .nav-links li.has-sub{position:static}
  .nav-sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;
    border-radius:0;background:transparent;padding:0 0 6px}
  .nav-sub a{padding:11px 2px 11px 18px;font-size:14px;color:rgba(255,255,255,0.55)}
  .has-sub>a::after{float:right}
}