/* ══════════════════════════════════════════════════════
   ZeGaze ZeRox — โทนสี เหลือง #ffd400 / ดำ #101010 / เทา
   ══════════════════════════════════════════════════════ */
:root{
  --yellow:#ffd400;
  --yellow2:#ffdf33;
  --yellow-dark:#e6bf00;
  --dark:#101010;
  --dark2:#1b1b1b;
  --gray:#5f5f5f;
  --gray2:#8a8a8a;
  --line:#e8e6df;
  --bg-soft:#f6f5f1;
  --bg:#ffffff;
  --radius:10px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --shadow-lg:0 18px 50px rgba(0,0,0,.16);
  --font:'Kanit',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:150px}
body{font-family:var(--font);color:#222;background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:var(--font);cursor:pointer}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
em{font-style:normal;color:var(--yellow);}
.link-btn{background:none;border:none;color:#fff;text-decoration:underline;font-family:var(--font)}
.link-yellow{color:var(--yellow);font-weight:600}

/* ── ปุ่ม ─────────────────────────── */
.btn{display:inline-block;padding:12px 26px;border-radius:50px;font-weight:600;font-family:var(--font);
  border:2px solid transparent;transition:.25s;text-align:center;font-size:16px;line-height:1.4}
.btn-yellow{background:var(--yellow);color:#111;box-shadow:0 6px 18px rgba(255,212,0,.35)}
.btn-yellow:hover{background:var(--yellow2);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#333;transform:translateY(-2px)}
.btn-line{background:#06c755;color:#fff}
.btn-line:hover{background:#0ed269;transform:translateY(-2px)}
.btn-ghost{background:#eee;color:#333;border-color:#ddd}
.btn-ghost:hover{background:#e2e2e2}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:#fff;color:#111}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-lg{padding:15px 36px;font-size:18px}
.btn-block{display:block}

/* ── แถบบนสุด ─────────────────────── */
.topbar{background:var(--dark);color:#bbb;font-size:14px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;padding:7px 20px;min-height:36px}
.langswitch a{color:#fff;font-weight:600;padding:0 2px}
.langswitch a.active{color:var(--yellow)}
.langswitch span{color:#666;margin:0 6px}
.topask a{color:var(--yellow);font-weight:700}
.topask a:hover{color:#fff}

/* ── หัวเว็บ ───────────────────────── */
.site-header{background:linear-gradient(180deg,#171717,#0d0d0d);color:#fff}
.header-top{display:flex;align-items:center;gap:36px;padding:18px 20px;flex-wrap:wrap}
.logo{flex-shrink:0;display:block}
.logo-svg{height:56px;width:auto}
.header-contact{display:flex;flex-direction:column;gap:3px;font-size:14px;color:#cfcfcf}
.hc-row{display:flex;align-items:flex-start;gap:8px}
.hc-ic{color:var(--yellow);font-weight:700}
.hc-row a{color:var(--yellow)}
.hc-row a:hover{text-decoration:underline}

/* ── เมนูหลัก ──────────────────────── */
.site-nav{background:var(--dark2);border-top:1px solid #2a2a2a;border-bottom:3px solid var(--yellow);position:sticky;top:0;z-index:900}
.nav-in{display:flex;align-items:center;position:relative}
.nav-burger{display:none;background:none;border:none;height:44px;width:44px;flex-direction:column;gap:5px;justify-content:center;align-items:center}
.nav-burger span{display:block;width:24px;height:3px;background:var(--yellow);border-radius:2px;transition:.3s}
.nav-title{display:none;color:#fff;font-weight:700}
.nav-menu{display:flex}
.nav-menu > li{position:relative}
.nav-menu > li > a{display:block;color:#fff;padding:14px 18px;font-weight:600;font-size:16px;transition:.2s}
.nav-menu > li > a:hover,.nav-menu > li.active > a{color:#111;background:var(--yellow)}
.nav-menu > li.cta > a{background:var(--yellow);color:#111}
.nav-menu > li.cta > a:hover{background:var(--yellow2)}
.caret{font-size:11px;margin-left:4px}

/* mega dropdown */
.mega{display:none;position:absolute;left:50%;transform:translateX(-50%);top:100%;
  background:#fff;color:#222;width:860px;max-width:90vw;border-radius:0 0 var(--radius) var(--radius);
  box-shadow:var(--shadow-lg);padding:22px;grid-template-columns:repeat(4,1fr);gap:16px;z-index:999}
.has-menu:hover .mega,.has-menu.menu-open .mega{display:grid}
.mega h4{font-size:13px;text-transform:uppercase;letter-spacing:.4px;color:var(--gray);border-bottom:2px solid var(--yellow);padding-bottom:6px;margin-bottom:8px}
.mega a{display:block;padding:6px 0;font-size:14.5px;color:#333}
.mega a:hover{color:var(--yellow-dark);padding-left:4px;transition:.15s}

/* ── ฮีโร่สไลเดอร์ ─────────────────── */
.hero{position:relative;background:#000;overflow:hidden}
.hero-track{display:flex;transition:transform .7s ease}
.hero-slide{min-width:100%}
.hero-slide img{width:100%;height:520px;object-fit:cover}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;background:rgba(0,0,0,.45);color:#fff;
  border:none;width:52px;height:52px;border-radius:50%;font-size:30px;line-height:1;transition:.25s}
.hero-arrow:hover{background:var(--yellow);color:#111}
.hero-arrow.prev{left:18px}
.hero-arrow.next{right:18px}
.hero-dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:5}
.hero-dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;padding:0;transition:.2s}
.hero-dots button.on{background:var(--yellow);border-color:var(--yellow)}

/* ── CTA ───────────────────────────── */
.cta-strip{background:var(--dark);color:#fff}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px 20px;flex-wrap:wrap}
.cta-msg{font-size:20px;font-weight:500;max-width:720px;line-height:1.6}
.cta-msg::before{content:"“";color:var(--yellow);font-size:34px;font-weight:900}
.cta-msg::after{content:"”";color:var(--yellow);font-size:34px;font-weight:900}

/* ── ป้ายยืนยัน ────────────────────── */
.badges{background:var(--bg-soft);padding:26px 0}
.badges-in{display:flex;justify-content:center;align-items:center;gap:40px;flex-wrap:wrap}
.badge{display:flex;gap:4px;align-items:center}
.badge img{height:60px;width:auto}

/* ── ส่วนหัวบล็อก ──────────────────── */
.sec-head{margin:0 0 40px}
.sec-head.center{text-align:center}
.sec-head h2{font-size:34px;font-weight:800;line-height:1.3;color:var(--dark)}
.sec-head p{color:var(--gray);max-width:720px;margin:10px auto 0}
.sec-tag{display:inline-block;background:var(--yellow);color:#111;font-weight:700;font-size:13px;
  padding:4px 16px;border-radius:50px;margin-bottom:12px;letter-spacing:.4px}
.sec-head.light h2{color:#fff}
section{padding:70px 0}

/* ── เกี่ยวกับเรา ───────────────────── */
.about{background:var(--bg)}
.about-two{display:grid;grid-template-columns:1.1fr .9fr;gap:44px}
.about-text p{margin-bottom:14px;color:#333}
.steps{margin-top:16px;display:flex;flex-direction:column;gap:14px}
.steps li{display:flex;align-items:flex-start;gap:14px;background:var(--bg-soft);padding:14px 18px;border-radius:var(--radius);font-weight:500}
.steps li span{flex-shrink:0;width:34px;height:34px;border-radius:50%;background:var(--yellow);color:#111;font-weight:800;
  display:flex;align-items:center;justify-content:center}
.about-why{background:var(--dark);color:#fff;border-radius:14px;padding:32px;position:relative;overflow:hidden}
.about-why::before{content:"";position:absolute;top:-60px;right:-60px;width:170px;height:170px;border-radius:50%;background:rgba(255,212,0,.12)}
.about-why h3{color:var(--yellow);font-size:22px;margin-bottom:14px}
.about-why p{margin-bottom:12px;color:#d5d5d5}

/* ── บริการ ────────────────────────── */
.services{background:var(--bg-soft)}
.svc-cols{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.svc-col{background:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.svc-head{display:flex;align-items:center;gap:14px;background:var(--dark);color:#fff;padding:16px 22px}
.svc-head img{width:34px;height:34px;object-fit:contain;filter:brightness(0) invert(1)}
.svc-head h3{font-size:19px}
.svc-list{padding:18px 22px;display:flex;flex-wrap:wrap;gap:8px 26px}
.svc-list li{padding:6px 0;border-bottom:1px dashed #ececea;width:calc(50% - 13px);font-size:15px}
.svc-list li::before{content:"●";color:var(--yellow);margin-right:8px;font-size:10px;vertical-align:middle}

/* ── สินค้า ────────────────────────── */
.products{background:var(--bg)}
.filter{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.filter button{background:#f1f0eb;border:none;padding:10px 20px;border-radius:50px;font-weight:600;font-family:var(--font);
  color:#444;font-size:15px;transition:.2s}
.filter button.on{background:var(--dark);color:var(--yellow)}
.filter button:hover{background:var(--yellow);color:#111}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;cursor:pointer}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--yellow)}
.pcard img{width:100%;height:210px;object-fit:cover}
.pcard-body{padding:14px 16px}
.pcard-body h3{font-size:16.5px;color:var(--dark)}
.pcard-body span{font-size:13px;color:var(--gray);display:block;margin-top:2px}

/* ── ผลงานล่าสุด ───────────────────── */
.recent{background:var(--bg-soft)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:block}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card img{width:100%;height:220px;object-fit:cover}
.news-card .tag{display:inline-block;font-size:12px;font-weight:600;border-radius:50px;padding:3px 12px;margin:16px 16px 0}
.tag-yellow{background:var(--yellow);color:#111}
.news-card h3{padding:10px 16px 6px;font-size:18px}
.news-card .more{display:block;padding:0 16px 18px;color:var(--yellow-dark);font-weight:700;font-size:14px}
.news-card .more:hover{color:#111}

/* ── เทคนิค ────────────────────────── */
.technic{background:var(--bg)}
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.tech-item{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;transition:.2s;align-items:flex-start}
.tech-item:hover{border-color:var(--yellow);box-shadow:var(--shadow)}
.tech-item img{width:120px;height:120px;object-fit:cover;border-radius:8px;flex-shrink:0}
.tech-item h3{font-size:18px;color:var(--dark);margin-bottom:6px}
.tech-item h3::before{content:"◆ ";color:var(--yellow);font-size:13px}
.tech-item p{font-size:14.5px;color:var(--gray)}

/* ── ออกแบบ ────────────────────────── */
.design{background:var(--bg-soft)}
.design-in{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.design-img img{border-radius:14px;box-shadow:var(--shadow-lg)}
.design-text p{margin-bottom:14px;color:#333}

/* ── ฟอร์มสั่งงาน ──────────────────── */
.quote.dark{background:var(--dark);color:#fff}
.order-form{background:#fff;border-radius:16px;padding:36px;color:#222;box-shadow:var(--shadow-lg);max-width:980px;margin:0 auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:14.5px;color:#333}
.field input,.field select,.field textarea{border:1.5px solid #dcdcd6;border-radius:8px;padding:11px 14px;
  font-family:var(--font);font-size:15px;background:#fbfbfa;transition:.2s;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--yellow);background:#fff;box-shadow:0 0 0 3px rgba(255,212,0,.25)}
.field.full{grid-column:1 / -1}
.form-submit{margin-top:24px;text-align:center}
.form-note{font-size:13.5px;color:var(--gray);margin-top:14px}

/* ── ติดต่อเรา ─────────────────────── */
.contact{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.contact-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed #e2e0d8}
.contact-item .ci{flex-shrink:0;width:44px;height:44px;border-radius:10px;background:var(--dark);color:var(--yellow);
  display:flex;align-items:center;justify-content:center;font-weight:700}
.contact-item strong{display:block;font-size:15px}
.contact-item p{color:var(--gray);font-size:15px}
.contact-item a{color:var(--yellow-dark);font-weight:600}
.contact-item a:hover{text-decoration:underline}
.contact-map img{width:100%;border-radius:14px;box-shadow:var(--shadow)}
.map-actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.social{display:flex;gap:10px;margin-top:16px}
.social img{width:40px;height:40px;border-radius:8px}

/* ── ท้ายเว็บ ──────────────────────── */
.site-footer{background:#0a0a0a;color:#c9c9c9}
.footer-cta{background:var(--dark2);border-bottom:1px solid #2c2c2c}
.footer-cta-in{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:40px 20px}
.fc-ic{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.fc-ic img{width:44px;height:44px;object-fit:cover;border-radius:8px}
.fc-ic h4{font-size:15px}
.fc-ic a{color:#fff}
.fc-ic a:hover{color:var(--yellow)}
.fc-col ul li{padding:4px 0;font-size:13.5px;color:#a8a8a8}
.fc-col ul li a{color:#a8a8a8}
.fc-col ul li a:hover{color:var(--yellow)}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1.4fr 1fr;gap:28px;padding:46px 20px 30px}
.f-col > strong{display:block;margin-bottom:12px;color:#fff;font-size:16px}
.f-logo{font-size:22px}
.f-logo em{color:var(--yellow)}
.f-col p{font-size:14px;color:#a8a8a8;margin-top:6px}
.f-col ul li{padding:3px 0;font-size:14px}
.f-col ul li a{color:#a8a8a8}
.f-col ul li a:hover{color:var(--yellow)}
.footer-bottom{border-top:1px solid #262626;padding:16px 0;text-align:center;font-size:13.5px;color:#777}

/* ── ปุ่มลอย / กลับด้านบน ──────────── */
.float-actions{position:fixed;left:16px;bottom:18px;display:flex;flex-direction:column;gap:12px;z-index:800}
.fab{width:52px;height:52px;border-radius:50%;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center;background:#fff;transition:.2s;overflow:hidden}
.fab img{width:100%;height:100%;object-fit:cover}
.fab:hover{transform:translateY(-4px) scale(1.06)}
.fab-line{background:#06c755}
#to-top{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;background:var(--yellow);color:#111;
  border:none;font-size:20px;font-weight:800;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:.3s;z-index:800}
#to-top.show{opacity:1;visibility:visible}
#to-top:hover{background:var(--yellow2)}

/* ── ไลท์บ็อกซ์ ────────────────────── */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:1200;display:flex;align-items:center;justify-content:center}
.lightbox img{max-width:88vw;max-height:82vh;border-radius:8px}
.lightbox button{position:absolute;background:rgba(255,255,255,.15);color:#fff;border:none;border-radius:50%;width:48px;height:48px;font-size:22px;transition:.2s}
.lightbox button:hover{background:var(--yellow);color:#111}
#lightbox-close{top:18px;right:18px}
#lightbox-prev{left:18px}
#lightbox-next{right:18px}
.lightbox-cap{position:absolute;bottom:16px;left:0;right:0;text-align:center;color:#fff;font-weight:600}

/* ── โมดัล ─────────────────────────── */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:1100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-box{background:#fff;border-radius:16px;max-width:520px;width:100%;padding:28px;max-height:88vh;overflow:auto;animation:pop .3s}
.modal-lg{max-width:1000px}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal-box h3{font-size:22px;color:var(--dark);margin-bottom:14px}
.modal-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.modal-x{position:sticky;float:right;top:0;background:#eee;border:none;width:36px;height:36px;border-radius:50%;font-size:15px}
.modal-x:hover{background:var(--yellow);color:#111}
.order-summary{background:var(--bg-soft);border-radius:10px;padding:16px;font-size:14.5px}
.order-summary b{color:var(--dark)}

.order-summary div{padding:3px 0}
.order-save{font-size:13.5px;margin:10px 0 0}
.order-save.ok{color:#1a7f37}
.order-save.err{color:#c62828}
/* เนื้อหาโมดัลสินค้า */
.pd-head{display:grid;grid-template-columns:340px 1fr;gap:24px;margin-top:6px}
.pd-head img{width:100%;border-radius:12px;object-fit:cover;height:280px}
.pd-head h2{font-size:26px;color:var(--dark);margin-bottom:6px}
.pd-intro{color:#444;margin:10px 0 16px}
.pd-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pd-tags span{background:var(--bg-soft);border:1px solid var(--line);padding:4px 12px;border-radius:50px;font-size:13px}
.pd-cta{display:flex;gap:12px;margin-top:8px;flex-wrap:wrap}
.pd-variants{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:26px}
.pd-variant{background:var(--bg-soft);border-radius:12px;overflow:hidden;padding-bottom:16px}
.pd-variant img{width:100%;height:190px;object-fit:cover}
.pd-variant h3{padding:14px 16px 4px;font-size:18px}
.pd-variant h3::after{content:"———";display:block;color:var(--yellow);font-size:12px;margin-top:4px}
.pd-variant p{padding:0 16px;font-size:14px;color:var(--gray)}
.pd-examples{margin-top:26px}
.pd-examples h4{font-size:15px;color:var(--gray);margin-bottom:12px}
.pd-example-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.pd-example{display:block;border-radius:10px;overflow:hidden;background:var(--bg-soft);cursor:zoom-in}
.pd-example img{width:100%;height:110px;object-fit:cover;display:block;transition:transform .25s}
.pd-example:hover img{transform:scale(1.06)}
.pd-related{border-top:1px dashed var(--line);margin-top:28px;padding-top:20px}
.pd-related h4{font-size:15px;color:var(--gray);margin-bottom:12px}
.pd-related a{display:inline-block;padding:6px 14px;margin:4px;background:var(--bg-soft);border-radius:50px;font-size:14px;color:#333}
.pd-related a:hover{background:var(--yellow);color:#111}

/* ── คุกกี้ ────────────────────────── */
.cookie{position:fixed;bottom:0;left:0;right:0;background:var(--dark);color:#fff;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 22px;flex-wrap:wrap;font-size:14px}
.cookie p{max-width:760px}

/* ── ตอบสนองหน้าจอ ────────────────── */
@media (max-width:1080px){
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-cta-in{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .about-two,.svc-cols,.contact-grid,.design-in{grid-template-columns:1fr}
  .pd-head{grid-template-columns:1fr}
  .pd-variants{grid-template-columns:1fr 1fr}
  .hero-slide img{height:420px}
}
@media (max-width:720px){
  .header-top{flex-direction:column;align-items:flex-start;gap:10px;padding:14px 20px}
  .nav-burger{display:flex}
  .nav-title{display:block;margin-left:10px;font-size:17px}
  .nav-in{flex-wrap:wrap}
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--dark2);flex-direction:column;z-index:990;border-top:2px solid var(--yellow)}
  .nav-menu.open{display:flex}
  .nav-menu > li > a{padding:13px 20px;border-bottom:1px solid #2a2a2a}
  .mega{position:static;transform:none;width:100%;max-width:100%;grid-template-columns:1fr 1fr;box-shadow:none;border-radius:0}
  .has-menu:hover .mega{display:none}
  .has-menu.open .mega{display:grid}
  .nav-in{position:relative}
  .pgrid{grid-template-columns:1fr 1fr}
  .tech-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .hero-slide img{height:320px}
  .cta-in{flex-direction:column;text-align:center}
  .cta-msg{font-size:17px}
  section{padding:54px 0}
  .form-grid{grid-template-columns:1fr}
  .pd-variants{grid-template-columns:1fr}
  .svc-list li{width:100%}
  .footer-cta-in{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .badges-in{gap:20px}
  .badge img{height:44px}
}
@media (max-width:460px){
  .pgrid{grid-template-columns:1fr}
  .tech-item img{width:90px;height:90px}
}