:root{
  --navy-950:#070f28;--navy-900:#0a1733;--navy-800:#0f2247;--navy-700:#163063;--navy-600:#1d40a0;
  --cyan:#0aa89a;--cyan-600:#08897e;--cyan-soft:#e4f6f4;
  --ink:#0e1626;--muted:#637089;--line:#e9edf4;--bg:#f6f8fc;--card:#fff;
  --shadow:0 2px 4px rgba(14,22,38,.04),0 14px 40px -18px rgba(14,22,38,.22);
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"IBM Plex Sans Thai",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.mono{font-family:"IBM Plex Mono",monospace}
.wrap{max-width:1240px;margin:0 auto;padding:0 16px}

/* ── header (mobile base) ── */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:10px;height:60px}
.brand img{height:36px}
.nav{display:none}
.spill{display:none}
.hactions{display:flex;align-items:center;gap:8px;margin-left:auto}
.ghost{display:flex;align-items:center;gap:6px;padding:8px 10px;border-radius:10px;font-size:13.5px;font-weight:500;color:var(--navy-700)}
.ghost:hover,.ghost:focus{background:#eef2f9}
.ghost svg{width:17px;height:17px}
.ghost .t{display:none}
.solid{display:flex;align-items:center;gap:6px;background:var(--navy-700);color:#fff;padding:9px 13px;border-radius:10px;font-size:13.5px;font-weight:600}
.solid:hover{background:var(--navy-600)}
.solid svg{width:17px;height:17px}
.solid .t{display:none}
.burger{display:grid;width:40px;height:40px;border-radius:10px;background:#eef2f9;place-items:center;flex-shrink:0}
.burger svg{width:20px;height:20px}

/* ── mobile nav overlay ── */
.mnav{display:none;flex-direction:column;position:fixed;inset:0;top:60px;background:#fff;z-index:49;padding:8px 0;overflow-y:auto;border-top:1px solid var(--line);animation:mnavIn .18s ease}
.mnav.open{display:flex}
@keyframes mnavIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.mnav a{padding:15px 20px;font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.mnav a:active{background:var(--bg)}
.mnav-cta{padding:20px 16px;display:flex;flex-direction:column;gap:11px;margin-top:4px}
.mnav-cta .a{display:flex;align-items:center;justify-content:center;gap:9px;background:var(--cyan);color:#fff;padding:15px;border-radius:13px;font-weight:700;font-size:15px}
.mnav-cta .b{display:flex;align-items:center;justify-content:center;gap:9px;background:var(--navy-700);color:#fff;padding:15px;border-radius:13px;font-weight:600;font-size:15px}
.mnav-cta svg{width:17px;height:17px}

/* ── hero (mobile) ── */
.hero{background:radial-gradient(120% 120% at 85% 0%,#1d40a0 0%,#0f2247 48%,#070f28 100%);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(40% 60% at 12% 90%,rgba(10,168,154,.22),transparent 70%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:24px;align-items:center;padding:40px 16px 48px}
.hero .badge{display:inline-flex;align-items:center;gap:7px;background:rgba(10,168,154,.16);border:1px solid rgba(10,168,154,.35);color:#7ff0e5;padding:6px 13px;border-radius:30px;font-size:11.5px;font-weight:500;margin-bottom:14px}
.hero .badge b{color:var(--cyan)}
.hero h1{font-size:28px;line-height:1.15;font-weight:700;letter-spacing:-.4px;margin-bottom:12px}
.hero h1 .hl{color:var(--cyan)}
.hero .lead{font-size:14px;color:#bcc8e4;margin-bottom:22px}
.hbtns{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.hbtns .a{display:inline-flex;align-items:center;gap:8px;background:var(--cyan);color:#fff;padding:12px 18px;border-radius:12px;font-weight:700;font-size:14px}
.hbtns .a:hover{background:#0cc3b2}
.hbtns .b{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;font-size:14px}
.hbtns .b:hover{background:rgba(255,255,255,.16)}
.hbtns svg{width:16px;height:16px}
.hstats{display:flex;gap:20px}
.hstat b{display:block;font-size:20px;font-weight:700;color:#fff;font-family:"IBM Plex Mono",monospace}
.hstat span{font-size:11px;color:#8fa0c4}
.hero .visual{display:none}
.hero .float{display:none}

/* ── sections (mobile) ── */
.sec{padding:32px 0}
.sec--no-top{padding-top:0}
.shead{text-align:center;max-width:620px;margin:0 auto 24px}
.shead .k{display:inline-block;font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--cyan-600);margin-bottom:8px}
.shead h2{font-size:22px;font-weight:700;letter-spacing:-.3px}
.shead p{color:var(--muted);font-size:13.5px;margin-top:8px}
.shead.left{text-align:left;margin:0 0 20px;max-width:none;display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.shead.left>div{max-width:none}
.shead.left .more{display:inline-flex;align-items:center;gap:7px;color:var(--navy-700);font-weight:600;font-size:13.5px;white-space:nowrap}
.shead.left .more svg{width:15px;height:15px}

/* ── category cards (mobile: 2 col) ── */
.catcards{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.catcard{position:relative;border-radius:var(--r);overflow:hidden;min-height:150px;display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow);background:var(--navy-800)}
.catcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;transition:.3s}
.catcard::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,15,40,.95),rgba(7,15,40,.25))}
.catcard:hover img{opacity:.7;transform:scale(1.05)}
.catcard .c{position:relative;z-index:2;padding:12px}
.catcard .ic{width:34px;height:34px;border-radius:9px;background:rgba(10,168,154,.22);border:1px solid rgba(10,168,154,.4);display:grid;place-items:center;margin-bottom:auto}
.catcard .ic svg{width:17px;height:17px;color:var(--cyan)}
.catcard h3{font-size:13px;font-weight:600;margin-top:38px}
.catcard p{font-size:10px;color:#aebbd6;margin-top:2px}
.catcard .arr{position:absolute;top:12px;right:12px;width:26px;height:26px;border-radius:7px;background:rgba(255,255,255,.14);display:grid;place-items:center;z-index:2;transition:.2s}
.catcard:hover .arr{background:var(--cyan)}
.catcard .arr svg{width:12px;height:12px}

/* ── chips (horizontal scroll mobile) ── */
.chips{display:flex;gap:8px;margin-bottom:18px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none;-ms-overflow-style:none}.chips::-webkit-scrollbar{display:none}
.chip{padding:8px 15px;border-radius:30px;font-size:12.5px;font-weight:500;background:#fff;color:#46546f;border:1px solid var(--line);white-space:nowrap;flex-shrink:0}
.chip:hover{border-color:var(--cyan);color:var(--cyan-600)}
.chip.on{background:var(--navy-700);color:#fff;border-color:var(--navy-700)}

/* ── product grid (mobile: 1 col) ── */
.pgrid{display:grid;grid-template-columns:1fr;gap:14px}
.pcard{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:.22s;border:1px solid #eef1f7}
.pcard:hover{transform:translateY(-3px);box-shadow:0 18px 36px -14px rgba(14,22,38,.26)}
.pcard .imgwrap{position:relative;height:200px;overflow:hidden;background:linear-gradient(160deg,#fafbfe,#f1f4fa)}
.pcard .imgwrap img{width:100%;height:100%;object-fit:cover;transition:.3s}
.pcard:hover .imgwrap img{transform:scale(1.04)}
.pcard .tag{position:absolute;top:11px;left:11px;z-index:3;background:var(--cyan);color:#fff;font-size:10.5px;font-weight:700;padding:4px 10px;border-radius:30px}
.pcard .tag.dark{background:var(--navy-700)}
.pcard .blogo{position:absolute;top:10px;right:10px;z-index:3;height:18px;max-width:50px;object-fit:contain;background:rgba(255,255,255,.92);padding:3px 6px;border-radius:6px;box-shadow:0 2px 6px rgba(14,22,38,.12)}
.pcard .body{padding:14px;display:flex;flex-direction:column;flex:1}
.pcard .cat{font-size:10px;color:var(--cyan-600);font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:5px}
.pcard h3{font-size:14px;font-weight:600;line-height:1.3;margin-bottom:6px}
.pcard .spec{font-size:12px;color:var(--muted);line-height:1.5;margin-bottom:10px;flex:1}
.pcard .model{font-size:11px;color:#94a0b6;padding-top:9px;border-top:1px dashed var(--line);margin-bottom:11px;display:flex;justify-content:space-between;align-items:center}
.pcard .ask{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;background:var(--cyan);color:#fff;border-radius:10px;padding:11px;font-weight:600;font-size:13px;transition:.18s}
.pcard .ask:hover{background:var(--cyan-soft);color:var(--cyan-600)}
.pcard .ask svg{width:15px;height:15px}
.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px 20px}

/* ── why (mobile: 2 col) ── */
.why{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.whygrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.whyc{text-align:center;padding:6px}
.whyc .ic{width:50px;height:50px;border-radius:15px;background:linear-gradient(160deg,var(--cyan-soft),#e3f0ff);color:var(--navy-700);display:grid;place-items:center;margin:0 auto 12px}
.whyc .ic svg{width:23px;height:23px}
.whyc h4{font-size:14px;font-weight:600;margin-bottom:5px}
.whyc p{font-size:12px;color:var(--muted);line-height:1.5}

/* ── services (mobile: 1 col) ── */
.svcgrid{display:grid;grid-template-columns:1fr;gap:14px}
.svc{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;border:1px solid #eef1f7;transition:.2s}
.svc:hover{transform:translateY(-4px);box-shadow:0 20px 40px -18px rgba(14,22,38,.28)}
.svc .ph{height:140px;position:relative;overflow:hidden}
.svc .ph img{width:100%;height:100%;object-fit:cover;transition:.3s}
.svc:hover .ph img{transform:scale(1.06)}
.svc .ph .ic{position:absolute;left:16px;bottom:-20px;width:44px;height:44px;border-radius:12px;background:var(--cyan);color:#fff;display:grid;place-items:center;box-shadow:0 8px 20px rgba(10,168,154,.4)}
.svc .ph .ic svg{width:22px;height:22px}
.svc .c{padding:26px 16px 18px}
.svc h3{font-size:15px;font-weight:600;margin-bottom:5px}
.svc p{font-size:12.5px;color:var(--muted);line-height:1.55}

/* ── marquee ── */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.mtrack{display:flex;gap:10px;width:max-content;animation:scrollx 24s linear infinite}
.marquee:hover .mtrack{animation-play-state:paused}
@keyframes scrollx{to{transform:translateX(-50%)}}
.bcell{flex:0 0 auto;width:100px;height:60px;background:#fff;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;padding:10px}
.bcell img{max-height:28px;max-width:100%;object-fit:contain;filter:grayscale(1);opacity:.6;transition:.2s}
.bcell:hover img{filter:none;opacity:1}

/* ── CTA (mobile) ── */
.cta{background:radial-gradient(120% 140% at 80% 0%,#1d40a0,#0f2247 55%,#070f28);border-radius:16px;color:#fff;padding:32px 18px;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;left:-40px;bottom:-60px;width:200px;height:200px;background:radial-gradient(circle,rgba(10,168,154,.35),transparent 70%)}
.cta .in{position:relative;z-index:2}
.cta h2{font-size:20px;font-weight:700;margin-bottom:10px;letter-spacing:-.3px}
.cta p{color:#bcc8e4;font-size:13.5px;margin:0 auto 20px}
.cta .row{display:flex;flex-direction:column;gap:11px}
.cta .a{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--cyan);color:#fff;padding:14px;border-radius:12px;font-weight:700;font-size:14px}
.cta .b{display:flex;align-items:center;justify-content:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;padding:14px;border-radius:12px;font-weight:600;font-size:14px}
.cta svg{width:17px;height:17px}

/* ── footer (mobile) ── */
footer{background:var(--navy-950);color:#9fadc9;padding:36px 0 0;margin-top:36px}
.fgrid{display:grid;grid-template-columns:1fr;gap:24px;padding-bottom:24px}
.fbrand img{height:38px;background:#fff;padding:6px 9px;border-radius:9px;margin-bottom:12px}
.fbrand p{font-size:12.5px;line-height:1.65}
footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:12px}
footer ul{list-style:none;display:flex;flex-direction:column;gap:9px}
footer ul a{font-size:13px;color:#9fadc9}
footer ul a:hover{color:var(--cyan)}
.fcontact li{display:flex;gap:10px;font-size:13px;line-height:1.5;margin-bottom:11px}
.fcontact svg{width:16px;height:16px;color:var(--cyan);flex-shrink:0;margin-top:2px}
.fbar{border-top:1px solid #14233f;padding:16px 0;font-size:12px;color:#73819f;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.fbar .soc{display:flex;gap:10px}
.fbar .soc a{width:30px;height:30px;border-radius:8px;background:#101d35;display:grid;place-items:center;color:#9fadc9}
.fbar .soc a:hover{background:var(--cyan);color:#fff}
.fbar .soc svg{width:14px;height:14px}

.toplink{position:fixed;right:16px;bottom:18px;width:42px;height:42px;border-radius:12px;background:var(--navy-700);color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(10,23,51,.4);opacity:0;pointer-events:none;transition:.25s;z-index:60}
.toplink.show{opacity:1;pointer-events:auto}
.toplink svg{width:19px;height:19px}

/* ===== sm ≥ 480px ===== */
@media(min-width:480px){
  .wrap{padding:0 20px}
  .hero h1{font-size:34px}
  .hero .wrap{padding:46px 20px 52px}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .svcgrid{grid-template-columns:repeat(2,1fr)}
  .cta .row{flex-direction:row;justify-content:center}
}

/* ===== md ≥ 768px ===== */
@media(min-width:768px){
  .wrap{padding:0 24px}
  .bar{height:68px;gap:14px}
  .brand img{height:42px}
  .ghost .t,.solid .t{display:inline}
  .ghost{padding:9px 13px}
  .solid{padding:10px 16px}
  .sec{padding:46px 0}
  .shead h2{font-size:27px}
  .shead{margin-bottom:30px}
  .hero .wrap{padding:52px 24px 60px}
  .hero h1{font-size:40px}
  .hero .lead{font-size:15.5px}
  .hstat b{font-size:22px}
  .hstats{gap:28px}
  .catcards{grid-template-columns:repeat(3,1fr);gap:12px}
  .catcard{min-height:170px}
  .catcard h3{font-size:14.5px;margin-top:48px}
  .catcard .ic{width:38px;height:38px}
  .pgrid{grid-template-columns:repeat(2,1fr);gap:16px}
  .whygrid{grid-template-columns:repeat(4,1fr)}
  .shead.left{flex-direction:row;align-items:flex-end}
  .cta{padding:42px 32px;border-radius:22px}
  .cta h2{font-size:26px}
  .cta p{font-size:15px}
  .fgrid{grid-template-columns:1fr 1fr;gap:28px}
  footer{padding:44px 0 0;margin-top:44px}
  .bcell{width:120px;height:68px}
  .mnav{top:68px}
}

/* ===== lg ≥ 1080px ===== */
@media(min-width:1080px){
  .bar{height:74px;gap:22px}
  .brand img{height:46px}
  .nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1;margin-left:0}
  .nav a{padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:500;color:#3a465e}
  .nav a.on,.nav a:hover{background:#eef2f9;color:var(--navy-700)}
  .burger{display:none}
  .mnav{display:none!important}
  .ghost{padding:10px 14px;font-size:14px}
  .solid{padding:11px 18px;font-size:14px}
  .hero .wrap{grid-template-columns:1.05fr 1fr;gap:30px;padding:64px 24px 70px}
  .hero h1{font-size:46px;letter-spacing:-.8px;margin-bottom:18px}
  .hero .lead{font-size:16.5px;max-width:460px;margin-bottom:28px}
  .hero .visual{display:block;position:relative}
  .hero .visual .card{background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:22px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
  .hero .visual .card img{border-radius:12px;width:100%;background:#fff;display:block}
  .hero .float{display:flex;position:absolute;background:#fff;color:var(--ink);border-radius:14px;box-shadow:0 16px 40px rgba(0,0,0,.3);padding:13px 16px;align-items:center;gap:11px}
  .hero .float .ic{width:36px;height:36px;border-radius:10px;background:var(--cyan-soft);color:var(--cyan-600);display:grid;place-items:center}
  .hero .float .ic svg{width:19px;height:19px}
  .hero .float b{font-size:13.5px;display:block}
  .hero .float span{font-size:11.5px;color:var(--muted)}
  .hero .f1{top:6px;right:-6px}
  .hero .f2{bottom:-14px;left:-18px}
  .hstat b{font-size:26px}
  .hstats{gap:34px}
  .sec{padding:54px 0}
  .shead{margin-bottom:36px}
  .shead h2{font-size:32px;letter-spacing:-.5px}
  .shead p{font-size:15px}
  .catcards{grid-template-columns:repeat(5,1fr);gap:16px}
  .catcard{min-height:200px}
  .catcard .ic{width:42px;height:42px;border-radius:12px}
  .catcard .ic svg{width:21px;height:21px}
  .catcard h3{font-size:16px;margin-top:60px}
  .catcard p{font-size:11.5px}
  .catcard .arr{width:30px;height:30px;top:18px;right:18px}
  .catcard .arr svg{width:15px;height:15px}
  .chips{justify-content:center}
  .pgrid{grid-template-columns:repeat(3,1fr);gap:20px}
  .pcard .imgwrap{height:220px}
  .pcard h3{font-size:15px;min-height:39px}
  .svcgrid{grid-template-columns:repeat(3,1fr);gap:20px}
  .svc .ph{height:160px}
  .svc .ph .ic{width:48px;height:48px;left:18px;bottom:-22px}
  .svc .ph .ic svg{width:24px;height:24px}
  .svc .c{padding:30px 20px 22px}
  .svc h3{font-size:16.5px}
  .bcell{width:140px;height:80px;gap:16px}
  .bcell img{max-height:36px}
  .mtrack{gap:16px}
  .cta{padding:54px 50px;border-radius:26px}
  .cta h2{font-size:32px;letter-spacing:-.5px}
  .cta p{font-size:16px;max-width:520px}
  .fgrid{grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:38px;padding-bottom:38px}
  footer{padding:56px 0 0;margin-top:54px}
  footer h4{font-size:14.5px}
  .toplink{right:24px;bottom:24px;width:48px;height:48px}
  .toplink svg{width:20px;height:20px}
}

/* ===== xl ≥ 1280px ===== */
@media(min-width:1280px){
  .pgrid{grid-template-columns:repeat(4,1fr)}
}