/*
Theme Name: JOINT Vietnam
Theme URI: https://jointvn.com/
Author: JOINT Vietnam
Description: Giao diện riêng cho Công ty TNHH Công Nghệ Vật Liệu Mới JOINT Việt Nam — ba dòng sản phẩm (keo dán, thiết bị, hoá chất PU), ba ngôn ngữ, chuẩn SEO, không giỏ hàng.
Version: 2.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GPLv2 or later
Text Domain: jointvn
*/

/* ============================= design tokens ============================= */
:root{
  /* Blue leads (the logo swoosh); plum stays as the accent (the wordmark). */
  --blue:#004195; --blue-ink:#04203F; --blue-soft:#2C5F9E; --blue-lit:#1668D8;
  --plum:#6B1A49; --plum-lit:#8E2A62;
  --paper:#F1F4F8; --card:#FFFFFF; --rule:#D8E0EA; --rule-soft:#E8EDF4;
  --ink:#15202E; --mute:#5B6B7D;
  --t-cold:#1868D8; --t-warm:#B0742A; --t-hot:#A3301C;
  --shell:min(1240px,92vw);
  --f-disp:"Archivo","Noto Sans SC",system-ui,sans-serif;
  --f-body:"IBM Plex Sans","Noto Sans SC",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);
     font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--f-disp);letter-spacing:-.025em;line-height:1.08;margin:0;text-wrap:balance}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--blue-lit);outline-offset:2px;border-radius:3px}
.shell{width:var(--shell);margin-inline:auto}
.mono{font-family:var(--f-mono);font-variant-ligatures:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* eyebrow — the "bond line" motif: a rule that joins a label to its section */
.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--f-mono);font-size:11.5px;
  font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-soft);margin-bottom:18px}
.eyebrow::after{content:"";flex:1;height:2px;background:linear-gradient(90deg,var(--blue),transparent)}
.on-dark .eyebrow{color:#8FB6E6}
.on-dark .eyebrow::after{background:linear-gradient(90deg,#C77FA8,transparent)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;
  border-radius:2px;border:1.5px solid transparent;font-family:var(--f-body);font-size:15px;
  font-weight:600;cursor:pointer;text-decoration:none;transition:.16s ease;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-ink)}
.btn-ghost{border-color:var(--blue);color:var(--blue);background:transparent}
.btn-ghost:hover{background:var(--blue);color:#fff}
.btn-blue{background:var(--plum);color:#fff}
.btn-blue:hover{background:var(--plum-lit)}
.btn-light{background:#fff;color:var(--blue);border-color:#fff}
.btn-light:hover{background:transparent;color:#fff}
.btn-sm{padding:9px 15px;font-size:13.5px}

/* ================================ header ================================ */
.top{position:sticky;top:0;z-index:60;background:rgba(244,241,243,.93);
     backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
.top-in{display:flex;align-items:center;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:inherit;flex-shrink:0}
.brand img{height:34px;width:auto}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}
.brand-txt b{font-family:var(--f-disp);font-size:15px;font-weight:800;letter-spacing:-.02em;color:var(--blue)}
.brand-txt span{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.13em;color:var(--mute);text-transform:uppercase}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{font-size:14px;font-weight:500;color:var(--ink);text-decoration:none;padding:9px 9px;border-radius:2px;white-space:nowrap}
.nav a:hover{background:#fff;color:var(--blue)}
.top-act{display:flex;align-items:center;gap:8px;flex-shrink:0}
.lang{display:flex;border:1.5px solid var(--rule);border-radius:2px;overflow:hidden;background:#fff}
.lang button{border:0;background:transparent;font-family:var(--f-mono);font-size:11px;font-weight:600;
  padding:7px 8px;cursor:pointer;color:var(--mute);letter-spacing:.04em;
  display:inline-flex;align-items:center;gap:6px;line-height:1}
.lang svg{width:16px;height:11px;border-radius:1.5px;display:block;flex-shrink:0;
  box-shadow:0 0 0 1px rgba(0,0,0,.12)}
.lang button+button{border-left:1px solid var(--rule-soft)}
.lang button[aria-pressed="true"]{background:var(--blue);color:#fff}
.burger{display:none;border:1.5px solid var(--rule);background:#fff;border-radius:2px;
  width:42px;height:40px;cursor:pointer;font-size:18px;color:var(--blue)}

/* ================================= hero ================================= */
.hero{padding:70px 0 0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0 0 auto;height:100%;
  background:radial-gradient(1000px 460px at 84% -10%,rgba(0,65,149,.11),transparent 62%),
             radial-gradient(700px 340px at 8% 110%,rgba(107,26,73,.06),transparent 60%);pointer-events:none}
.hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:56px;align-items:start}
h1{font-size:clamp(33px,4.9vw,58px);font-weight:800;color:var(--blue-ink);max-width:14ch}
h1 .l2{display:block;color:var(--blue)}
/* SIGNATURE: the bond line — an adhesive seam laid between the two headline lines */
.seam{display:block;height:9px;margin:13px 0 14px;position:relative;max-width:min(100%,400px)}
.seam i{position:absolute;left:0;right:0;height:2px;background:var(--blue-ink);opacity:.16}
.seam i:first-child{top:0} .seam i:last-child{bottom:0}
.seam b{position:absolute;top:3px;left:0;height:3px;width:0;border-radius:2px;
  background:linear-gradient(90deg,var(--blue),var(--blue-lit) 52%,var(--plum));
  animation:bond 1.5s .35s cubic-bezier(.22,.9,.3,1) forwards}
@keyframes bond{to{width:100%}}
.hero-sub{font-size:clamp(16.5px,1.55vw,19px);color:#4A3B45;max-width:52ch;margin:22px 0 26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--blue-ink);
  padding-top:16px;max-width:600px}
.hero-facts div{padding-right:14px}
.hero-facts b{display:block;font-family:var(--f-disp);font-size:27px;font-weight:800;color:var(--blue)}
.hero-facts span{font-size:12.5px;color:var(--mute);line-height:1.35;display:block}

/* selector card */
.picker{background:var(--card);border:1px solid var(--rule);border-top:4px solid var(--blue);
  padding:26px;box-shadow:0 18px 44px -30px rgba(43,10,29,.5)}
.picker h2{font-size:19px;font-weight:700;color:var(--blue-ink);margin-bottom:4px}
.picker>p{font-size:13.5px;color:var(--mute);margin-bottom:20px}
.fld{margin-bottom:14px}
.fld label{display:block;font-family:var(--f-mono);font-size:11.5px;font-weight:600;letter-spacing:.07em;
  text-transform:uppercase;color:var(--blue-soft);margin-bottom:6px;line-height:1.3}
.fld select,.fld input,.fld textarea{width:100%;padding:12px 13px;border:1.5px solid var(--rule);
  border-radius:2px;background:#fff;font-family:var(--f-body);font-size:14.5px;color:var(--ink)}
.fld select:focus,.fld input:focus,.fld textarea:focus{border-color:var(--blue-lit);outline:none;
  box-shadow:0 0 0 3px rgba(24,104,216,.14)}
.picker-out{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:20px;
  padding-top:18px;border-top:1px dashed var(--rule)}
.picker-out p{margin:0;font-size:13.5px;color:var(--mute)}
.picker-out strong{font-family:var(--f-disp);font-size:32px;font-weight:800;color:var(--plum);
  display:block;line-height:1}

/* ============================== sections ================================ */
section{padding:86px 0}
#industries{padding-top:96px}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:44px;
  align-items:end;margin-bottom:40px}
.sec-head h2{font-size:clamp(28px,3.4vw,42px);font-weight:800;color:var(--blue-ink)}
.sec-head p{margin:0;color:var(--mute);font-size:16px}

/* industries */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule)}
.ind{background:var(--card);text-align:left;border:0;cursor:pointer;
  font:inherit;color:inherit;transition:.16s;position:relative;display:block}
.ind:hover{background:var(--blue-ink)}
.ind:hover *{color:#fff!important}
.ind:hover .ind-bar{background:#8FB6E6}
.ind-n{font-family:var(--f-mono);font-size:11px;font-weight:600;color:var(--plum);letter-spacing:.08em}
.ind h3{font-size:18px;font-weight:700;color:var(--blue-ink);margin:9px 0 8px;line-height:1.2}
.ind p{font-size:13px;color:var(--mute);margin:0 0 14px;line-height:1.45}
.ind-bar{height:3px;width:38px;background:var(--blue);transition:.16s}

/* ============================== catalog ================================= */
#catalog{background:#fff;border-block:1px solid var(--rule)}
.cat-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:8px}
.search{position:relative;flex:1;min-width:230px}
.search input{width:100%;padding:13px 14px 13px 40px;border:1.5px solid var(--rule);border-radius:2px;
  font-family:var(--f-body);font-size:15px;background:var(--paper)}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--mute)}
.cat-tools select{padding:13px 12px;border:1.5px solid var(--rule);border-radius:2px;background:var(--paper);
  font-family:var(--f-body);font-size:14px;color:var(--ink);min-width:150px}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0 6px}
.chip{border:1.5px solid var(--rule);background:#fff;border-radius:2px;padding:7px 13px;cursor:pointer;
  font-family:var(--f-body);font-size:13px;font-weight:500;color:var(--mute);transition:.14s}
.chip:hover{border-color:var(--blue-soft);color:var(--blue)}
.chip[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
.chip-clear{border-color:var(--plum);color:var(--plum);background:#FBF2F7}
.chip-clear:hover{background:var(--plum);color:#fff;border-color:var(--plum)}
.cat-count{font-family:var(--f-mono);font-size:12.5px;color:var(--mute);margin:14px 0 20px;
  padding-bottom:12px;border-bottom:2px solid var(--blue-ink)}
.cat-count b{color:var(--blue)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:14px}

/* product card */
.pc{background:var(--card);border:1px solid var(--rule);padding:18px;cursor:pointer;text-align:left;
  font:inherit;color:inherit;display:flex;flex-direction:column;gap:11px;transition:.15s;position:relative}
.pc:hover{border-color:var(--blue);box-shadow:0 14px 32px -24px rgba(43,10,29,.62);transform:translateY(-2px)}
.pc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.pc-code{font-family:var(--f-mono);font-size:17px;font-weight:600;color:var(--blue-ink);letter-spacing:-.01em}
.pc-star{font-size:10px;font-family:var(--f-mono);font-weight:600;color:var(--plum);letter-spacing:.1em;
  border:1px solid var(--plum);padding:2px 6px;white-space:nowrap}
.pc-tech{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--blue-soft)}
.pc-app{font-size:13.5px;color:var(--ink);font-weight:500}
.pc-feat{font-size:12.5px;color:var(--mute);line-height:1.5;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
/* SIGNATURE: process-temperature bond line, plotted on a 60–200 °C scale */
.tbar{margin-top:auto;padding-top:11px;border-top:1px solid var(--rule-soft)}
.tbar-track{position:relative;height:4px;background:var(--rule-soft);border-radius:2px}
.tbar-fill{position:absolute;top:0;height:4px;border-radius:2px}
.tbar-lab{display:flex;justify-content:space-between;font-family:var(--f-mono);font-size:10.5px;
  color:var(--mute);margin-top:6px}
.tbar-lab b{color:var(--blue-ink);font-weight:600}
.pc-docs{display:flex;gap:6px;font-family:var(--f-mono);font-size:10px;letter-spacing:.07em}
.doc{padding:2px 6px;border:1px solid var(--rule);color:var(--mute)}
.doc.on{border-color:#127C4A;color:#127C4A;background:#EEF8F2}
.empty{grid-column:1/-1;text-align:center;padding:60px 20px;border:1px dashed var(--rule)}
.empty p{color:var(--mute);margin-bottom:18px}
.more-wrap{text-align:center;margin-top:26px}

/* ============================ dark band: tech =========================== */
.on-dark{background:var(--blue-ink);color:#DCE7F4}
.on-dark h2{color:#fff}
.on-dark .sec-head p{color:#A8BFD8}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.14)}
.tech{background:var(--blue-ink);padding:28px 24px}
.tech-k{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.13em;color:#D79CBE}
.tech h3{font-size:19px;font-weight:700;color:#fff;margin:10px 0 10px}
.tech p{font-size:13.5px;color:#A8BFD8;line-height:1.55;margin:0 0 14px}
.tech ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.tech li{font-family:var(--f-mono);font-size:11px;color:#DCE7F4;border:1px solid rgba(255,255,255,.24);
  padding:3px 8px}

/* ============================== equipment =============================== */
.eq{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.eq-card{background:var(--card);border:1px solid var(--rule);border-left:4px solid var(--blue);padding:26px;display:flex;gap:20px;align-items:flex-start}
.eq-card h3{font-size:19px;font-weight:700;color:var(--blue-ink);margin-bottom:10px}
.eq-card p{font-size:14px;color:var(--mute);margin:0}

/* ================================ about ================================= */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.about p{color:#4A3B45;font-size:15.5px}
.net{border-top:2px solid var(--blue-ink)}
.net-row{display:grid;grid-template-columns:118px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--rule)}
.net-row dt{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--plum);padding-top:3px;line-height:1.35}
.net-row dd{margin:0;font-size:14.5px;color:var(--ink)}
.net-row dd small{display:block;color:var(--mute);font-size:12.5px;margin-top:2px}

/* =============================== support ================================ */
.sup{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sup-card{background:var(--card);border:1px solid var(--rule);padding:26px}
.sup-card .n{font-family:var(--f-mono);font-size:11px;font-weight:600;color:var(--plum);letter-spacing:.1em}
.sup-card h3{font-size:18px;font-weight:700;color:var(--blue-ink);margin:9px 0 9px}
.sup-card p{font-size:13.5px;color:var(--mute);margin:0}

/* =============================== contact ================================ */
#contact{background:var(--blue-ink);color:#DCE7F4}
.ct{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:start}
.ct-form{background:#fff;padding:30px;color:var(--ink)}
.ct-form h3{font-size:21px;font-weight:700;color:var(--blue-ink);margin-bottom:6px}
.ct-form>p{font-size:13.5px;color:var(--mute);margin-bottom:22px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:12.5px;color:var(--mute);margin:4px 0 18px}
.consent input{margin-top:3px;flex-shrink:0}
.ct-ways{display:flex;flex-direction:column;gap:1px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.16);margin-bottom:26px}
.way{background:var(--blue-ink);padding:19px 22px;display:flex;align-items:center;gap:16px;
  text-decoration:none;color:inherit;transition:.15s}
.way:hover{background:#0A3163}
.way-k{display:block;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.13em;color:#8FB6E6;text-transform:uppercase;margin-bottom:3px}
.way-v{display:block;font-family:var(--f-disp);font-size:19px;font-weight:700;color:#fff;letter-spacing:-.01em}
.way small{display:block;font-size:12px;color:#A8BFD8;font-family:var(--f-body);font-weight:400;letter-spacing:0}
.social{display:flex;flex-wrap:wrap;gap:9px}
.social a{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.26);
  padding:9px 14px;font-size:13px;color:#DCE7F4;text-decoration:none;transition:.15s}
.social a:hover{background:#fff;color:var(--blue-ink);border-color:#fff}

/* ================================ footer ================================ */
footer{background:#04182F;color:#9FB3CA;padding:52px 0 26px;font-size:13.5px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:32px;
  border-bottom:1px solid rgba(255,255,255,.12)}
.f-grid h4{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.13em;
  text-transform:uppercase;color:#8FB6E6;margin-bottom:14px}
.f-grid a{color:#9FB3CA;text-decoration:none;display:block;padding:4px 0}
.f-grid a:hover{color:#fff}
.f-bot{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;padding-top:22px;font-size:12.5px}
.f-logo{height:32px;width:auto;margin-bottom:14px;filter:brightness(0) invert(1);opacity:.92}

/* ============================== drawer ================================== */
.scrim{position:fixed;inset:0;background:rgba(4,24,47,.62);backdrop-filter:blur(3px);z-index:90;
  opacity:0;pointer-events:none;transition:.22s}
.scrim.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(560px,100%);background:var(--paper);z-index:95;
  transform:translateX(101%);transition:transform .3s cubic-bezier(.3,.9,.3,1);overflow-y:auto;
  box-shadow:-24px 0 60px -30px rgba(0,0,0,.6)}
.drawer.open{transform:none}
.dr-head{position:sticky;top:0;background:var(--blue-ink);color:#fff;padding:24px 28px;z-index:2}
.dr-head .x{position:absolute;top:18px;right:20px;background:transparent;border:1px solid rgba(255,255,255,.4);
  color:#fff;width:34px;height:34px;border-radius:2px;cursor:pointer;font-size:17px;line-height:1}
.dr-code{font-family:var(--f-mono);font-size:27px;font-weight:600;letter-spacing:-.01em}
.dr-sub{font-size:13.5px;color:#A8BFD8;margin-top:4px}
.dr-body{padding:26px 28px 40px}
.spec{border-top:2px solid var(--blue-ink);margin-bottom:26px}
.spec-row{display:grid;grid-template-columns:132px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--rule)}
.spec-row dt{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--blue-soft);padding-top:2px;line-height:1.35}
.spec-row dd{margin:0;font-size:14.5px}
.dr-h{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  color:var(--blue-soft);margin:28px 0 12px;display:flex;align-items:center;gap:10px}
.dr-h::after{content:"";flex:1;height:1px;background:var(--rule)}
.sim{display:grid;gap:8px}
.sim button{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fff;
  border:1px solid var(--rule);padding:12px 14px;cursor:pointer;font:inherit;text-align:left;transition:.14s}
.sim button:hover{border-color:var(--blue);background:#fff}
.sim .mono{font-size:14.5px;font-weight:600;color:var(--blue-ink)}
.sim span{font-size:12.5px;color:var(--mute)}
.dr-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.dr-cta .btn{flex:1 1 200px}
.dr-note{font-size:12.5px;color:var(--mute);margin:12px 0 0;line-height:1.5}

/* ============================= quick contact ============================ */
.quick{position:fixed;right:18px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:9px}
.quick a{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;color:#fff;
  text-decoration:none;box-shadow:0 8px 22px -8px rgba(0,0,0,.5);font-weight:700;
  font-family:var(--f-mono);font-size:12px;transition:.15s}
.quick a:hover{transform:scale(1.07)}
.quick a::after{content:none}
.q-tel{background:var(--blue)} .q-zalo{background:#0068FF}
.q-wechat{background:#07C160} .q-mail{background:var(--plum)}
.qr-pop{position:fixed;inset:0;z-index:110;display:none;place-items:center;
  background:rgba(4,24,47,.62);backdrop-filter:blur(3px)}
.qr-pop.open{display:grid}
.qr-card{background:#fff;padding:26px 26px 22px;text-align:center;max-width:330px;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.6)}
.qr-card img{width:236px;height:236px;margin:0 auto 14px}
.qr-card b{display:block;font-family:var(--f-disp);font-size:18px;color:var(--blue-ink);margin-bottom:5px}
.qr-card p{font-size:13px;color:var(--mute);margin:0 0 16px}
.qr-card .btn{width:100%}
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:var(--blue-ink);
  color:#fff;padding:14px 22px;font-size:14px;z-index:120;opacity:0;pointer-events:none;transition:.24s}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* =============================== banner ================================= */
.banner{position:relative;min-height:clamp(380px,46vw,545px);display:flex;align-items:center;
  background:var(--blue-ink);overflow:hidden;isolation:isolate}
.bn-slide{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.1s ease;transform:scale(1.04)}
.bn-slide.on{opacity:1;transform:scale(1);transition:opacity 1.1s ease,transform 7s ease-out}
.bn-scrim{position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(4,32,63,.90) 0%,rgba(4,32,63,.74) 42%,rgba(4,32,63,.34) 78%,rgba(4,32,63,.42) 100%)}
.bn-in{position:relative;z-index:2;padding:54px 0 68px;color:#fff;max-width:none}
.bn-in .eyebrow{color:#8FB6E6}
.bn-in .eyebrow::after{background:linear-gradient(90deg,#C77FA8,transparent)}
.banner h1{color:#fff;max-width:16ch;text-shadow:0 2px 24px rgba(0,20,45,.5)}
.banner h1 .l2{color:#BFD8F5}
.banner .seam i{background:#fff;opacity:.34}
.banner .seam b{height:4px;top:2.5px;
  background:linear-gradient(90deg,#5E9BE8,#9FC6F2 50%,#D79CBE)}
.bn-cap{font-size:clamp(15.5px,1.5vw,18.5px);color:#D9E6F5;max-width:50ch;margin:20px 0 26px;
  min-height:3.2em;transition:opacity .45s ease}
.bn-cap.fade{opacity:0}
.bn-dots{position:absolute;left:0;right:0;bottom:24px;z-index:3;display:flex;gap:9px;
  justify-content:center}
.bn-dots button{width:34px;height:4px;border:0;border-radius:2px;background:rgba(255,255,255,.34);
  cursor:pointer;padding:0;transition:.2s}
.bn-dots button[aria-current="true"]{background:#fff;width:52px}
.bn-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:46px;height:46px;
  border:1px solid rgba(255,255,255,.34);background:rgba(4,32,63,.32);color:#fff;cursor:pointer;
  border-radius:50%;font-size:20px;line-height:1;backdrop-filter:blur(4px);transition:.18s}
.bn-arrow:hover{background:#fff;color:var(--blue-ink)}
.bn-prev{left:max(16px,calc((100vw - var(--shell))/2 - 62px))}
.bn-next{right:max(16px,calc((100vw - var(--shell))/2 - 62px))}

/* selector strip under the banner */
.pickbar{background:var(--card);border-bottom:1px solid var(--rule);
  box-shadow:0 14px 34px -30px rgba(4,32,63,.6);position:relative;z-index:4}
.pick-in{display:grid;grid-template-columns:auto repeat(3,minmax(0,1fr)) auto auto;gap:14px;
  align-items:end;padding:22px 0}
.pick-h{font-family:var(--f-disp);font-size:16px;font-weight:700;color:var(--blue-ink);
  line-height:1.25;max-width:12ch;padding-bottom:11px}
.pickbar .fld{margin:0}
.pick-n{text-align:right;padding-bottom:9px;white-space:nowrap}
.pick-n strong{font-family:var(--f-disp);font-size:27px;font-weight:800;color:var(--plum);
  display:block;line-height:1}
.pick-n span{font-size:12px;color:var(--mute)}
.pickbar .btn{margin-bottom:1px}

/* intro strip */
.intro{padding:56px 0 0}
.intro-in{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:start}
.intro p{font-size:clamp(16px,1.5vw,18.5px);color:#3D4C5E;margin:0}

/* =============================== industries ============================= */
.ind{padding:0;overflow:hidden}
.ind-photo{display:block;position:relative;aspect-ratio:64/30;background:#E7EDF5;overflow:hidden}
.ind-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.ind:hover .ind-photo img{transform:scale(1.05)}
.ind-photo.is-icon{display:grid;place-items:center;
  background:linear-gradient(135deg,#EAF1F9,#DCE7F4)}
.ind-photo.is-icon svg{width:76px;height:56px}
.ind-body{display:block;padding:20px 22px 22px}
.ind:hover .ind-photo.is-icon{background:linear-gradient(135deg,#0B335F,#04203F)}

/* ============================ illustrations ============================= */
.ind-ico svg,.ind-photo.is-icon svg,.eq-ico svg,.pc-pkg svg,.dr-pkg svg,.struct-art svg{
  --a-fill:#FFFFFF; --a-line:#7E93AB; --a-tint:#E3ECF6; --a-acc:#1668D8;
  width:100%;height:100%;display:block}
.ind:hover .ind-ico svg,.ind:hover .ind-photo.is-icon svg{--a-fill:rgba(255,255,255,.10);
  --a-line:#BFD4EC;--a-tint:rgba(255,255,255,.20);--a-acc:#8FB6E6}
.ind-ico{display:block;width:56px;height:42px;margin-bottom:14px}
.eq-ico{display:block;width:72px;height:58px;flex-shrink:0}
.eq-body{display:block}
.eq-body h3{margin-bottom:10px}

/* bond-structure explainer band */
#structure{padding:0 0 86px}
.struct{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px;
  align-items:center;background:var(--card);border:1px solid var(--rule);padding:34px}
.struct-art{display:block;width:100%}
.struct-art svg{height:auto}
.struct h2{font-size:clamp(21px,2.2vw,29px);font-weight:800;color:var(--blue-ink);margin-bottom:16px}
.struct ol{margin:0;padding:0;list-style:none;counter-reset:st}
.struct li{counter-increment:st;padding:13px 0 13px 46px;border-bottom:1px solid var(--rule-soft);
  position:relative;font-size:13.5px;color:var(--mute);line-height:1.5}
.struct li:last-child{border-bottom:0}
.struct li b{display:block;color:var(--ink);font-weight:600;font-size:14.5px;margin-bottom:3px}
.struct li span{display:block}
.struct li::before{content:"0" counter(st);position:absolute;left:0;top:13px;font-family:var(--f-mono);
  font-size:11.5px;font-weight:600;color:var(--blue);border:1px solid var(--rule);padding:2px 6px}

/* packaging thumbnail on a product card */
.pc-pkg{display:block;width:66px;height:66px;flex-shrink:0}
.pc-head{display:flex;gap:12px;align-items:flex-start}
.pc-head>div{flex:1;min-width:0}

/* packaging panel inside the drawer */
.dr-pkgwrap{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--rule);
  padding:16px 18px}
.dr-pkg{display:block;width:118px;height:118px;flex-shrink:0}
.dr-pkgtxt{display:block}
.dr-pkgtxt b{display:block;font-size:15px;color:var(--blue-ink);font-weight:600}
.dr-pkgtxt>span{display:block;font-family:var(--f-mono);font-size:12.5px;color:var(--mute);margin-top:2px}
.dr-pkgtxt small{display:block;font-size:12px;color:var(--mute);margin-top:6px;line-height:1.45}
@media(max-width:1040px){.struct{grid-template-columns:1fr;gap:26px}}
@media(max-width:820px){.struct{padding:20px}.eq-card{flex-direction:column;gap:14px}}


/* ============================= line pages =============================== */
.lp-hero{background:var(--blue-ink);color:#fff;padding:54px 0 46px;position:relative;overflow:hidden}
.lp-hero::after{content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 88% 10%,rgba(107,26,73,.30),transparent 62%)}
.lp-in{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:44px;align-items:end}
.lp-hero .eyebrow{color:#8FB6E6}
.lp-hero .eyebrow::after{background:linear-gradient(90deg,#C77FA8,transparent)}
.lp-hero h1{font-size:clamp(30px,4vw,50px);color:#fff;max-width:18ch}
.lp-hero p{font-size:clamp(15.5px,1.5vw,18px);color:#C6D9EE;margin:18px 0 0;max-width:56ch}
.lp-stat{display:flex;gap:34px;padding-bottom:6px}
.lp-stat b{display:block;font-family:var(--f-disp);font-size:30px;font-weight:800;color:#fff;line-height:1}
.lp-stat span{font-size:12.5px;color:#9FBEDD;line-height:1.35;display:block;margin-top:5px}
.lp-crumb{font-family:var(--f-mono);font-size:12px;color:#8FB6E6;margin-bottom:16px}
.lp-crumb a{color:#8FB6E6;text-decoration:none}
.lp-crumb a:hover{color:#fff}

/* equipment card */
.eq-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:16px}
.ec{background:var(--card);border:1px solid var(--rule);cursor:pointer;text-align:left;font:inherit;
  color:inherit;display:flex;flex-direction:column;padding:0;overflow:hidden;transition:.16s}
.ec:hover{border-color:var(--blue);box-shadow:0 16px 36px -26px rgba(4,32,63,.6);transform:translateY(-2px)}
.ec-ph{aspect-ratio:76/46;background:#EEF3F9;overflow:hidden;display:block}
.ec-ph img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .4s}
.ec:hover .ec-ph img{transform:scale(1.04)}
.ec-ph.none{display:grid;place-items:center;background:linear-gradient(135deg,#EAF1F9,#DCE7F4)}
.ec-ph.none svg{width:88px;height:66px}
.ec-b{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.ec-g{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.07em;color:var(--plum)}
.ec-n{font-family:var(--f-disp);font-size:18px;font-weight:700;color:var(--blue-ink);line-height:1.22}
.ec-c{font-family:var(--f-mono);font-size:12.5px;color:var(--mute)}
.ec-f{font-size:13px;color:var(--mute);line-height:1.5;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ec-k{margin-top:auto;padding-top:12px;border-top:1px solid var(--rule-soft);display:flex;
  flex-wrap:wrap;gap:6px}
.ec-k span{font-family:var(--f-mono);font-size:10.5px;color:var(--blue);border:1px solid var(--rule);
  padding:3px 7px;background:#F5F8FC}

/* drawer photo */
.dr-photo{display:block;width:100%;aspect-ratio:76/46;object-fit:contain;background:#EEF3F9;
  border:1px solid var(--rule);margin-bottom:4px}

/* cross-line strip */
.xline{background:var(--card);border-block:1px solid var(--rule);padding:56px 0}
.xl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.xl{display:block;border:1px solid var(--rule);border-left:4px solid var(--blue);padding:22px 24px;
  text-decoration:none;color:inherit;transition:.16s;background:#fff}
.xl:hover{border-left-color:var(--plum);box-shadow:0 14px 32px -26px rgba(4,32,63,.55);transform:translateY(-2px)}
.xl b{display:block;font-family:var(--f-disp);font-size:18px;font-weight:700;color:var(--blue-ink);margin-bottom:7px}
.xl span{display:block;font-size:13.5px;color:var(--mute);line-height:1.5}
.xl em{display:block;font-family:var(--f-mono);font-size:11.5px;color:var(--plum);font-style:normal;margin-top:10px}
.xl.here{border-left-color:var(--plum);background:#F7F9FC}
.xl.here b::after{content:" ·";color:var(--plum)}
@media(max-width:1040px){.lp-in{grid-template-columns:1fr;gap:26px}.xl-grid{grid-template-columns:1fr}}
@media(max-width:820px){.lp-hero{padding:38px 0 34px}.lp-stat{gap:24px}.eq-grid{grid-template-columns:1fr}}

/* =============================== responsive ============================= */
@media(max-width:1180px){
  .pick-in{grid-template-columns:repeat(3,minmax(0,1fr)) auto;row-gap:16px}
  .pick-h{grid-column:1/-1;max-width:none;padding-bottom:0}
  .pickbar .btn{grid-column:1/-1}
  .bn-prev,.bn-next{display:none}
}
@media(max-width:1040px){
  .hero-in,.about,.ct,.intro-in{grid-template-columns:1fr;gap:38px}
  .sec-head{grid-template-columns:1fr;gap:14px}
  .ind-grid,.tech-grid,.sup{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1400px){
  /* Khi menu bắt đầu chật, nút hotline thu về chỉ còn biểu tượng —
     số điện thoại vẫn luôn có ở thanh liên hệ nổi và mục Liên hệ. */
  .top-act .btn-primary{font-size:0;padding:11px 12px;gap:0}
  .top-act .btn-primary svg{width:17px;height:17px}
}
@media(max-width:1280px){
  .nav{position:fixed;inset:72px 0 auto;flex-direction:column;background:var(--paper);
    border-bottom:1px solid var(--rule);padding:10px 4vw 18px;gap:0;display:none}
  .nav.open{display:flex}
  .nav a{padding:13px 6px;border-bottom:1px solid var(--rule-soft);font-size:16px}
  .burger{display:block;order:3}
  .top-act{margin-left:auto}
}
@media(max-width:820px){
  .brand-txt{display:none}
  .brand img{height:30px}
  .top-in{gap:12px}
  .top-act .btn-primary{display:none}
  .lang button{padding:8px 9px;font-size:11px}
  section{padding:56px 0}
  .hero{padding-top:48px}
  .hero-facts{grid-template-columns:1fr 1fr;gap:16px 0}
  .ind-grid,.tech-grid,.sup,.eq,.f-grid{grid-template-columns:1fr}
  .f2{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .dr-body,.dr-head{padding-inline:20px}
  .banner{min-height:auto}
  .bn-in{padding:44px 0 62px}
  .bn-cap{min-height:0;margin-bottom:22px}
  .bn-dots{bottom:18px}
  .pick-in{grid-template-columns:1fr;gap:12px;padding:18px 0}
  .pick-n{text-align:left;padding-bottom:0;display:flex;align-items:baseline;gap:8px}
  .pick-n strong{display:inline}
  .intro{padding-top:44px}
  .ind-photo{aspect-ratio:16/7}
  body{padding-bottom:58px}
  .quick{left:0;right:0;bottom:0;flex-direction:row;gap:1px;background:var(--rule)}
  .quick a{flex:1;width:auto;height:58px;border-radius:0;flex-direction:row;gap:8px;
    font-family:var(--f-body);font-size:14px;box-shadow:none}
  .quick a:hover{transform:none}
  .quick a::after{content:attr(data-label)}
  .quick svg{width:18px;height:18px}
  .picker{padding:20px}
  .hero-facts b{font-size:24px}
  .cat-tools select{flex:1 1 100%}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .seam b{width:100%}
}