[hidden]{display:none!important}

/* Layout: 12-col grid in a 1360px container (1600px on ultrawide); bands run full-bleed, content sits on the grid.
   Signature: coil-tag stats and mono spec chips, the vernacular of steel mill test certificates. */
:root{
  --navy:#111C35; --navy-2:#1A2848; --navy-3:#24345A;
  --gold:#FAA61A; --gold-ink:#8A5A00; --gold-soft:#FFF3DC;
  --ink:#141B2B; --steel:#526075; --line:#DCE1E9; --paper:#F3F5F8; --white:#FFFFFF;
  --on-navy:#E9EDF5; --on-navy-2:#B4BED0;
  --display:"Montserrat","Segoe UI",Roboto,Arial,sans-serif;
  --body:"Montserrat","Segoe UI",Roboto,Arial,sans-serif;
  --mono:"Montserrat","Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1360px; --gut:20px; --sec:64px; --r:6px;
}
@media (min-width:768px){:root{--gut:28px; --sec:88px}}
@media (min-width:1200px){:root{--gut:40px; --sec:112px}}
@media (min-width:2200px){:root{--wrap:1600px}}
*{box-sizing:border-box}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
@media (min-width:1200px){body{font-size:17px}}
a{color:var(--navy)} a:hover{color:var(--gold-ink)}
img{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:2px}
.wrap{max-width:calc(var(--wrap) + 2*var(--gut));margin-inline:auto;padding-left:max(var(--gut),env(safe-area-inset-left,0px));padding-right:max(var(--gut),env(safe-area-inset-right,0px))}
.sec{padding-block:var(--sec)}
.eyebrow{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink);display:flex;align-items:center;gap:10px;margin:0 0 14px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--gold)}
.on-navy .eyebrow{color:var(--gold)}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.12;margin:0;text-wrap:balance;letter-spacing:-.01em}
h2{font-size:clamp(28px,1.2rem + 1.7vw,42px)}
h3{font-size:20px;line-height:1.25;letter-spacing:-.005em}
.lede{font-size:18px;color:var(--steel);max-width:62ch;margin:16px 0 0}
.on-navy .lede{color:var(--on-navy-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 22px;border-radius:var(--r);font-family:var(--body);font-weight:600;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;white-space:nowrap;transition:background .15s,color .15s,border-color .15s}
.btn-gold{background:var(--gold);color:var(--navy)} .btn-gold:hover{background:#FFB840;color:var(--navy)}
.btn-line{border-color:currentColor;color:var(--white);background:transparent} .btn-line:hover{background:rgba(255,255,255,.1);color:var(--white)}
.btn-navy{background:var(--navy);color:var(--white)} .btn-navy:hover{background:var(--navy-3);color:var(--white)}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:transparent} .btn-ghost:hover{background:var(--navy);color:var(--white)}
.link-arrow{font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:8px;min-height:44px}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.tbd{display:inline-block;padding:0 .3em;border:1.5px dashed var(--gold);border-radius:4px;background:var(--gold-soft);color:var(--gold-ink);font-family:var(--mono);font-size:.82em;letter-spacing:0}
.on-navy .tbd,.hero .tbd{background:rgba(250,166,26,.14);color:var(--gold)}
.chip{font-family:var(--mono);font-size:13.5px;padding:3px 8px;border:1px solid var(--line);border-radius:3px;color:var(--steel);background:var(--white)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* notice */
.notice{background:var(--gold);color:var(--navy);font-size:14px}
.notice .wrap{display:flex;align-items:center;gap:12px;min-height:44px}
.notice a{color:var(--navy);font-weight:600}
.notice p{margin:0;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (min-width:768px){.notice p{white-space:normal}}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:0;background:transparent;color:inherit;cursor:pointer;border-radius:var(--r);flex:none}
.icon-btn:hover{background:rgba(17,28,53,.08)}

/* header */
.util{background:var(--navy);color:var(--on-navy-2);font-size:13.5px;display:none}
.util .wrap{display:flex;align-items:center;justify-content:space-between;min-height:40px;gap:24px}
.util a{color:var(--on-navy);text-decoration:none} .util a:hover{color:var(--gold)}
.util-l,.util-r{display:flex;align-items:center;gap:22px}
.lang{display:flex;gap:2px}
.lang a{padding:4px 8px;border-radius:3px;font-weight:500}
.lang a[aria-current="true"]{background:var(--navy-3);color:var(--white)}
.head{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--white);border-bottom:1px solid var(--line)}
.head .wrap{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy);flex:none}
.brand img{width:64px;height:auto}
.brand b{font-family:var(--display);font-size:19px;font-weight:800;letter-spacing:.06em;line-height:1}
.brand small{display:block;font-size:13px;color:var(--steel);letter-spacing:.02em;font-weight:500;line-height:1.3}
.nav{display:none;margin-left:auto}
.nav>ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:4px}
.nav>ul>li{position:relative}
.nav>ul>li>a{display:flex;align-items:center;gap:4px;padding:10px 12px;min-height:44px;text-decoration:none;font-weight:500;font-size:15.5px;color:var(--ink);border-radius:var(--r)}
.nav>ul>li>a:hover,.nav>ul>li:focus-within>a{color:var(--navy);background:var(--paper)}
.nav>ul>li>a[aria-current="page"]{color:var(--navy);box-shadow:inset 0 -3px 0 var(--gold)}
.drop{position:absolute;top:100%;left:0;min-width:300px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 18px 40px rgba(17,28,53,.14);padding:8px;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .15s,transform .15s}
.nav li:hover>.drop,.nav li:focus-within>.drop{opacity:1;visibility:visible;transform:none}
.drop a{display:flex;justify-content:space-between;gap:16px;padding:10px 12px;border-radius:4px;text-decoration:none;color:var(--ink);font-size:15px}
.drop a:hover{background:var(--paper)}
.drop a span{font-family:var(--mono);font-size:13px;color:var(--steel)}
.head-cta{display:none}
@media (max-width:399px){.head .wrap{gap:10px}.brand{gap:8px}.brand img{width:60px}.brand b{font-size:17px}.head-tools .icon-btn{width:44px}}
.head-tools{display:flex;align-items:center;gap:2px;margin-left:auto}
@media (min-width:1200px){
  .util{display:block}
  .nav{display:block}
  .head .wrap{min-height:76px}
  .head-cta{display:inline-flex;margin-left:8px}
  .head-tools{margin-left:0}
  .burger{display:none}
}

/* drawer */
.drawer{position:fixed;inset:0;z-index:80;background:var(--navy);color:var(--on-navy);display:flex;flex-direction:column;padding:env(safe-area-inset-top,0px) max(20px,env(safe-area-inset-right,0px)) calc(20px + env(safe-area-inset-bottom,0px)) max(20px,env(safe-area-inset-left,0px));overflow-y:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;min-height:68px}
.drawer nav ul{list-style:none;margin:8px 0 0;padding:0}
.drawer nav a{display:flex;justify-content:space-between;align-items:center;min-height:56px;color:var(--white);text-decoration:none;font-family:var(--display);font-size:21px;font-weight:700;border-bottom:1px solid var(--navy-3)}
.drawer .sub a{font-family:var(--body);font-size:16px;font-weight:500;min-height:48px;padding-left:16px;color:var(--on-navy-2)}
.drawer .lang a{color:var(--on-navy);font-size:15px;min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--navy-3)}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:16px}

/* hero */
/* mobile: photo window on top (coil + uncoiler), navy rises from the bottom under the copy */
.hero{position:relative;color:var(--white);background:var(--navy);display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-color:var(--navy);background-image:url(assets/hero-coil-m.webp);background-size:cover;background-position:50% 0%;background-repeat:no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,28,53,0) 0%,rgba(17,28,53,.08) 22%,rgba(17,28,53,.80) 35%,rgba(17,28,53,.93) 48%,rgba(17,28,53,.96) 100%)}
.hero-in{position:relative;z-index:1;width:100%;padding-top:296px;padding-bottom:20px;display:flex;flex-direction:column;gap:22px}
.hero h1{font-size:clamp(30px,1.25rem + 2.7vw,58px);font-weight:700;max-width:17ch;line-height:1.1}
.hero .lede{color:#DCE2EC;font-size:16px;line-height:1.55;max-width:52ch;margin-top:12px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-ctas .btn{padding:11px 13px;font-size:15px}
.hero-ctas .btn svg{display:none}
@media (max-width:429px){.hero-ctas{gap:8px}.hero-ctas .btn{flex:1 1 0;min-width:0;padding:11px 8px;font-size:14.5px;white-space:nowrap}}
@media (max-width:369px){.hero-ctas .btn{padding:11px 6px;font-size:13.5px}}
.tags{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.2)}
.tag{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:12px 8px 0 0;min-width:0}
.tag+.tag{padding-left:10px;border-left:1px solid rgba(255,255,255,.16)}
.tag-v{font-family:var(--display);font-size:22px;font-weight:700;line-height:1.05;color:var(--white);font-variant-numeric:tabular-nums;white-space:nowrap}
.tag-v small{display:block;font-size:13px;color:var(--gold);margin-top:3px;font-weight:600}
.tag-k{font-size:0;color:#C9D1DE;line-height:1.4}
.tag-k i{display:block;font-style:normal;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.06em;color:#AEB9CC;text-transform:uppercase;white-space:nowrap}
@media (min-width:768px){
  .hero-in{padding-bottom:28px;gap:30px}
  .hero .lede{font-size:clamp(17px,1rem + .3vw,20px);line-height:1.6;margin-top:16px}
  .hero-ctas{gap:12px;margin-top:28px}
  .hero-ctas .btn{padding:12px 22px;font-size:16px}
  .hero-ctas .btn svg{display:inline}
  .tag{gap:8px;padding:20px 24px 20px 0}
  .tag+.tag{padding-left:24px}
  .tag-v{font-size:32px}
  .tag-v small{display:inline;font-size:18px;margin:0 0 0 4px}
  .tag-k{font-size:14px}
}
@media (min-width:768px) and (max-width:1023px){.hero-in{padding-top:380px}.hero-bg{background-position:50% 22%}.hero::after{background:linear-gradient(180deg,rgba(17,28,53,0) 0%,rgba(17,28,53,.08) 22%,rgba(17,28,53,.84) 35%,rgba(17,28,53,.94) 46%,rgba(17,28,53,.96) 100%)}}
@media (min-width:1024px){.hero{min-height:620px}.hero-bg{background-image:url(assets/hero-line-b.webp);background-position:50% 50%}.hero::after{background:linear-gradient(90deg,rgba(17,28,53,.94) 0%,rgba(17,28,53,.90) 36%,rgba(17,28,53,.82) 50%,rgba(17,28,53,.34) 66%,rgba(17,28,53,.06) 84%,rgba(17,28,53,0) 100%),linear-gradient(0deg,rgba(17,28,53,.78) 0%,rgba(17,28,53,0) 30%)}.hero-in{padding-top:110px;gap:36px}}
@media (min-width:1024px) and (max-width:1199px){.hero::after{background:linear-gradient(90deg,rgba(17,28,53,.95) 0%,rgba(17,28,53,.9) 66%,rgba(17,28,53,.74) 100%),linear-gradient(0deg,rgba(17,28,53,.8) 0%,rgba(17,28,53,0) 30%)}}
@media (min-width:768px){.tags{max-width:720px}}
@media (min-width:1200px){.hero{min-height:720px}.hero-in{padding-top:140px}}

/* about / capability */
.about{display:grid;gap:40px;align-items:center}
.media{position:relative;display:block;border-radius:var(--r);overflow:hidden;aspect-ratio:16/9;max-width:100%;background:var(--paper)}
.media img{width:100%;height:100%;object-fit:cover}
.play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-decoration:none}
.play span{display:flex;align-items:center;gap:12px;background:rgba(17,28,53,.86);color:var(--white);padding:12px 20px 12px 12px;border-radius:999px;font-weight:600;font-size:15px}
.play span b{width:44px;height:44px;border-radius:50%;background:var(--gold);display:flex;align-items:center;justify-content:center;color:var(--navy)}
.play:hover span{background:var(--navy)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:28px}
.stat{border:1px solid var(--line);border-radius:var(--r);padding:16px 14px;background:var(--white)}
.stat b{display:block;font-family:var(--display);font-size:clamp(24px,1rem + 1.2vw,34px);font-weight:700;line-height:1;color:var(--navy);font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--steel);line-height:1.4}
.about-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.mile{list-style:none;margin:56px 0 0;padding:0;display:grid;grid-template-columns:1fr;gap:0;border-top:2px solid var(--navy)}
.mile li{padding:16px 0 18px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:96px 1fr;gap:12px}
.mile b{font-family:var(--mono);font-size:14px;color:var(--gold-ink);font-weight:700}
.mile p{margin:0;font-size:15px;color:var(--ink);line-height:1.5}
@media (min-width:1024px){
  .about{grid-template-columns:55fr 45fr;gap:64px}
  .mile{grid-template-columns:repeat(4,minmax(0,1fr))}
  .mile li{grid-template-columns:1fr;border-bottom:0;padding:18px 24px 0 0;position:relative}
  .mile li::before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;background:var(--gold);border:2px solid var(--white)}
}

/* products */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px 40px;margin-bottom:40px}
.sec-head>div{max-width:720px;min-width:0}
.std-line{font-family:var(--mono);font-size:14px;color:var(--steel)}
.grid3{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.grid3{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}
/* phones: 3 featured products as swipe cards (scroll-snap, no autoplay); the rest behind "Xem tất cả" */
.snap-hint,.all-sm,.snap-ui{display:none}
@media (max-width:639px){.hide-sm{display:none}}
@media (max-width:639px){
  .snap{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;margin-inline:calc(-1 * var(--gut));padding:4px var(--gut) 12px;scroll-padding-inline:var(--gut);-webkit-overflow-scrolling:touch}
  .snap>.card{flex:0 0 calc(100vw - var(--gut) - 28px);max-width:420px;scroll-snap-align:start;scroll-snap-stop:always}
  .snap>.desk-only{display:none}
  .snap-ui{display:flex;align-items:center;justify-content:space-between;margin-top:4px}
  .dots{display:flex;gap:6px}
  .dots i{display:block;width:8px;height:8px;border-radius:50%;background:#C3CAD6;transition:width .2s,background .2s}
  .dots i.on{width:22px;border-radius:4px;background:var(--navy)}
  .snap-count{font-size:14px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
  .snap-hint{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:14px;color:var(--steel)}
  .all-sm{display:flex;width:100%;margin-top:12px}
  .hide-sm{display:none}
}
.card-img.plate{position:relative;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;padding:20px;background:linear-gradient(135deg,#1A2848 0%,#111C35 70%),var(--navy);color:var(--white)}
.plate::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(100deg,rgba(255,255,255,.035) 0 2px,transparent 2px 7px);pointer-events:none}
.plate b{position:relative;font-family:var(--display);font-size:34px;font-weight:800;letter-spacing:-.01em;line-height:1}
.plate span{position:relative;font-size:13px;color:var(--on-navy-2)}
.card{position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;min-width:0}
.card-img{aspect-ratio:4/3;background:var(--paper);overflow:hidden;max-width:100%}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.card:hover .card-img img{transform:scale(1.03)}
.card-body{padding:20px 20px 16px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-kind{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--steel)}
.card h3 small{display:block;font-family:var(--body);font-size:14px;font-weight:500;color:var(--steel);margin-top:4px;letter-spacing:0}
.card p{margin:0;font-size:15.5px;color:var(--ink);line-height:1.55}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.card .link-arrow{margin-top:auto;padding-top:4px}
.card-cta{background:var(--navy);color:var(--white);border-color:var(--navy);padding:28px 24px;justify-content:space-between;gap:24px}
.card-cta h3{font-size:24px}
.card-cta p{color:var(--on-navy-2)}

/* services */
.svc{background:var(--navy);color:var(--on-navy)}
.svc h2{color:var(--white)}
.svc-grid{display:grid;gap:40px}
.svc-media{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;max-width:100%}
.svc-media img{width:100%;height:100%;object-fit:cover}
.svc-media figcaption{position:absolute;left:12px;bottom:12px;background:rgba(17,28,53,.88);color:var(--on-navy);font-size:13px;padding:6px 10px;border-radius:3px}
.svc-list{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:0}
.svc-list li{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--navy-3)}
.svc-list li:last-child{border-bottom:1px solid var(--navy-3)}
.svc-ico{width:44px;height:44px;border:1.5px solid var(--gold);border-radius:var(--r);display:flex;align-items:center;justify-content:center;color:var(--gold)}
.svc-list h3{font-size:19px;color:var(--white)}
.svc-list p{margin:6px 0 0;color:var(--on-navy-2);font-size:15.5px;line-height:1.55}
.svc-list .spec{display:inline-block;margin-top:8px;font-family:var(--mono);font-size:13.5px;font-weight:600;color:var(--gold)}
@media (min-width:1024px){.svc-grid{grid-template-columns:5fr 6fr;gap:72px;align-items:start}.svc-media{aspect-ratio:4/5;position:sticky;top:110px}}

/* process + standards: one compact section */
.ps{background:var(--paper);padding-block:52px}
.h2-sub{font-size:clamp(24px,1.1rem + .9vw,30px);line-height:1.25}
.ps-grid{display:grid;gap:44px}
.ps .eyebrow{margin-bottom:10px}
.tl{list-style:none;margin:24px 0 0;padding:0;display:grid}
.tl li{position:relative;display:grid;grid-template-columns:32px 1fr;gap:14px;padding-bottom:18px}
.tl li:last-child{padding-bottom:0}
.tl li::after{content:"";position:absolute;left:15px;top:34px;bottom:2px;width:2px;background:var(--line)}
.tl li:last-child::after{display:none}
.tl-n{width:32px;height:32px;border-radius:50%;border:2px solid var(--navy);background:var(--white);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;font-weight:700;color:var(--navy);position:relative;z-index:1}
.tl li:last-child .tl-n{background:var(--gold);border-color:var(--gold)}
.tl h3{font-size:16.5px;line-height:1.3;margin:5px 0 0}
.tl p{margin:3px 0 0;font-size:14.5px;line-height:1.5;color:var(--steel)}
.badges{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.badges li{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.02em;line-height:1.2;padding:7px 10px;border:1px solid var(--line);border-radius:3px;background:var(--white);color:var(--navy)}
.checks{list-style:none;margin:20px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 20px}
.checks li{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--navy);line-height:1.35}
.checks svg{flex:0 0 auto;color:var(--gold-ink)}
@media (max-width:767px){.checks{grid-template-columns:repeat(2,max-content);justify-content:space-between;gap:12px 10px}.checks li{gap:7px;font-size:14px;font-weight:500;letter-spacing:-.005em}.checks svg{width:16px;height:16px}}
@media (max-width:399px){.checks li{font-size:13.5px}}
@media (max-width:359px){.checks{grid-template-columns:1fr}}
@media (min-width:768px){.ps{padding-block:64px}}
@media (min-width:1024px){
  .ps{padding-block:68px}
  .ps-grid{grid-template-columns:55fr 45fr;gap:64px;align-items:center}
  .tl{margin-top:30px;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
  .tl li{grid-template-columns:1fr;gap:12px;padding-bottom:0}
  .tl li::after{left:44px;right:-16px;top:15px;bottom:auto;width:auto;height:2px}
  .tl h3{margin-top:0}
  .badges{margin-top:30px}
}

/* partners: one continuous row, right to left; static grid for reduced-motion users */
.partners-strip{background:var(--white);padding-block:36px;border-top:1px solid var(--line)}
.pstrip{display:grid;gap:18px}
.pstrip .eyebrow{margin:0;font-size:12.5px}
.logo-marquee{--gap:56px;position:relative;overflow:hidden;contain:layout paint;margin-inline:calc(-1 * var(--gut));-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 10%,#000 90%,transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 10%,#000 90%,transparent 100%)}
.logo-marquee:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
.logo-track{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:var(--gap);width:max-content;will-change:transform;animation:logo-run 30s linear infinite}
.logo-marquee:hover .logo-track,.logo-marquee:focus-within .logo-track{animation-play-state:paused}
.logo-track li{flex:0 0 auto;display:flex;align-items:center}
.logo-track img{display:block;height:44px;width:auto;max-width:none;filter:grayscale(1);opacity:.75;transition:filter .25s ease,opacity .25s ease}
@keyframes logo-run{from{transform:translate3d(0,0,0)}to{transform:translate3d(calc(-50% - var(--gap) / 2),0,0)}}
@media (min-width:768px){.logo-marquee{--gap:80px}.logo-track{animation-duration:40s}.logo-track img{height:52px}}
@media (min-width:1024px){
  .partners-strip{padding-block:64px}
  .pstrip{grid-template-columns:180px minmax(0,1fr);align-items:center;gap:40px}
  .logo-marquee{margin-inline:0}
  .logo-track img{height:56px}
}
@media (hover:hover) and (min-width:1024px){.logo-track li:hover img{filter:none;opacity:1}}
@media (prefers-reduced-motion:reduce){
  .logo-marquee{-webkit-mask-image:none;mask-image:none;margin-inline:0;contain:none}
  .logo-track{animation:none;will-change:auto;width:auto;flex-wrap:wrap;justify-content:center;gap:24px 48px}
  .logo-track li[aria-hidden]{display:none}
}
.note{margin-top:14px;font-size:13.5px;color:var(--steel)}

/* news */
.news{display:grid;gap:24px}
.post{display:flex;flex-direction:column;gap:12px;text-decoration:none;color:var(--ink);min-width:0}
.post-img{aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:var(--paper);max-width:100%}
.post-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.post:hover .post-img img{transform:scale(1.03)}
.post-meta{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;font-size:14px;color:var(--steel)}
.post-meta b{font-family:var(--mono);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-ink)}
.post h3{font-size:19px;color:var(--navy);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post p{margin:0;font-size:15.5px;color:var(--steel);line-height:1.55}
.post .more{font-weight:600;color:var(--navy);font-size:15px}
.post:hover h3{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.post-feature h3{font-size:clamp(22px,1rem + .9vw,28px)}
@media (min-width:768px){.news{grid-template-columns:repeat(2,minmax(0,1fr))}.post-feature{grid-column:1/-1}}
@media (min-width:1200px){.news{grid-template-columns:7fr 4fr 4fr;gap:32px}.post-feature{grid-column:auto}}


/* footer */
.foot{background:#0B1326;color:var(--on-navy-2);font-size:15px}
.foot a{color:var(--on-navy);text-decoration:none} .foot a:hover{color:var(--gold)}
.foot-grid{display:grid;gap:8px;padding-block:56px 24px}
.foot h4{margin:0;font-family:var(--display);font-size:16px;font-weight:700;color:var(--white);letter-spacing:.02em}
.foot ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:2px}
.foot li a{display:inline-flex;align-items:center;min-height:40px}
.foot details{border-bottom:1px solid #22304F}
.foot summary{list-style:none;display:flex;justify-content:space-between;align-items:center;min-height:56px;cursor:pointer}
.foot summary::-webkit-details-marker{display:none}
.foot summary::after{content:"+";font-size:24px;color:var(--gold)}
.foot details[open] summary::after{content:"−"}
.foot details ul{margin:0 0 16px}
.foot-co p{margin:14px 0 0;max-width:40ch;line-height:1.6}
.map{display:flex;align-items:center;gap:12px;margin-top:14px;padding:14px;border:1px solid #22304F;border-radius:var(--r);text-decoration:none}
.map:hover{border-color:var(--gold)}
.social{display:flex;gap:8px;margin-top:20px}
.social a{width:44px;height:44px;border:1px solid #22304F;border-radius:var(--r);display:flex;align-items:center;justify-content:center}
.social a:hover{border-color:var(--gold)}
.social a.zalo{width:auto;padding:0 14px 0 12px;gap:8px;font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.01em}
.foot-co .foot-more{margin-top:12px;font-size:15px;color:var(--on-navy-2)}
.foot-more a{color:var(--gold);font-weight:600}.foot-more a:hover{text-decoration:underline}
.foot-base{border-top:1px solid #22304F;padding-block:20px;display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;font-size:13.5px}
.foot-base nav{display:flex;flex-wrap:wrap;gap:4px 20px}
@media (min-width:1024px){
  .foot-grid{grid-template-columns:4fr 2fr 2fr 4fr;gap:48px;padding-block:80px 40px}
  .foot details{border:0}
  .foot summary{min-height:auto;pointer-events:none}
  .foot summary::after{display:none}
  .foot details>ul{display:grid}
}

/* mobile action bar */
html{scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ===== NHS 2026 — inner page components (products/services/about/legal) ===== */
 .foot-co p{margin:14px 0 0;max-width:40ch;line-height:1.6}
 .crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 8px;font-size:14px;color:var(--steel)}
 .crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
 .crumbs li+li::before{content:"/";color:#9AA6B8}
 .crumbs a{color:var(--steel);text-decoration:none;display:inline-flex;align-items:center;min-height:32px}
 .crumbs a:hover{color:var(--navy);text-decoration:underline}
 .crumbs [aria-current]{color:var(--ink);font-weight:600}
 .crumbs.on-dark{color:var(--on-navy-2)}
 .crumbs.on-dark a{color:var(--on-navy-2)}
 .crumbs.on-dark a:hover{color:var(--white)}
 .crumbs.on-dark [aria-current]{color:var(--white)}
 .crumbs.on-dark li+li::before{color:#6F7C95}
 /* page hero */ .phero{background:var(--navy);color:var(--on-navy);overflow:hidden}
 .phero-grid{display:grid;gap:0}
 .phero-media{position:relative;height:200px;margin-inline:calc(-1 * var(--gut))}
 .phero-media img{width:100%;height:100%;object-fit:cover}
 .phero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,28,53,0) 55%,rgba(17,28,53,.9) 100%)}
 .phero-txt{padding-block:24px 40px;min-width:0}
 .phero h1{font-size:clamp(30px,1.3rem + 2.2vw,52px);color:var(--white);margin-top:14px}
 .phero-grid{grid-template-columns:minmax(0,1fr) minmax(0,.82fr);align-items:stretch;min-height:440px}
 .phero-txt{padding-block:40px 56px;display:flex;flex-direction:column;justify-content:center;padding-right:48px}
 .phero-media{height:auto;margin:0 calc(-1 * var(--gut)) 0 0;order:2}
 .phero-media::after{background:linear-gradient(90deg,rgba(17,28,53,1) 0%,rgba(17,28,53,0) 28%)}
 .phero .crumbs{margin-bottom:8px}
.phero-media{margin-right:calc(-1 * (100vw - min(100vw, var(--wrap) + 2*var(--gut))) / 2 - var(--gut))}
 /* filter bar */ .fbar{display:none}
 .fbar-m{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
 .f-count{font-size:15px;color:var(--steel);font-weight:500}
 .fchips{display:flex;flex-wrap:wrap;gap:8px}
 .fchip{font:inherit;font-size:15px;font-weight:600;min-height:44px;padding:8px 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--white);color:var(--navy);cursor:pointer}
 .fchip:hover{border-color:var(--navy)}
 .fchip[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:var(--white)}
 .fsel{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:var(--steel);min-width:0}
 .fsel select{font:inherit;font-size:15px;font-weight:500;color:var(--ink);min-height:44px;padding:8px 36px 8px 12px;border:1.5px solid #B7C0CE;border-radius:var(--r);background:var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23111C35' stroke-width='2.4'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;-webkit-appearance:none;appearance:none;min-width:200px}
 .f-reset{font:inherit;font-size:15px;font-weight:600;background:none;border:0;color:var(--navy);text-decoration:underline;text-underline-offset:4px;cursor:pointer;min-height:44px;padding:0 4px}
 .fbar{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px 32px;padding-bottom:24px;margin-bottom:28px;border-bottom:1px solid var(--line)}
 .fbar-l{display:flex;flex-direction:column;gap:10px;min-width:0}
 .fbar-l>span{font-size:14px;font-weight:600;color:var(--steel)}
 .fbar-r{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap}
 .fbar-m{display:none}
 .f-count-d{margin:0 0 20px}
 .f-count-d{display:none}
.f-count-d{display:block}
 /* bottom sheet */ .sheet-bg{position:fixed;inset:0;z-index:90;background:rgba(11,19,38,.55);display:flex;align-items:flex-end}
 .sheet{background:var(--white);width:100%;max-height:86dvh;overflow:auto;border-radius:14px 14px 0 0;padding:8px 20px calc(16px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:18px}
 .sheet-head{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--white);padding-top:8px}
 .sheet-head h2{font-size:20px}
 .sheet fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;min-width:0}
 .sheet legend{font-weight:700;color:var(--navy);margin-bottom:10px;padding:0}
 .sheet-act{display:grid;grid-template-columns:1fr 1.4fr;gap:10px;position:sticky;bottom:0;background:var(--white);padding-top:8px}
.sheet-bg{display:none!important}
 /* product grid */ .pgrid{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
.pgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
.pgrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
 .card-more{background:var(--navy);border-color:var(--navy);color:var(--on-navy);padding:28px 24px;justify-content:space-between;gap:20px;text-decoration:none}
 .card-more h3{color:var(--white);font-size:22px}
 .card-more p{color:var(--on-navy-2);margin:10px 0 0;font-size:15.5px;line-height:1.55}
 .card-more:hover{background:var(--navy-3);color:var(--on-navy)}
 .empty{padding:40px 24px;border:1.5px dashed var(--line);border-radius:var(--r);text-align:center;color:var(--steel)}
 /* equivalent grades table (rows become label/value blocks on phones) */ .eqt{width:100%;border-collapse:collapse;font-size:15px}
 .eqt caption{text-align:left}
 .eqt th,.eqt td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
 .eqt thead th{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--steel);background:var(--paper);font-weight:700}
 .eqt tbody th{font-weight:600;color:var(--ink)}
 .eqt td{font-weight:600;color:var(--navy)}
 .eqt .lbl{display:none}
 .eqt thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
 .eqt,.eqt tbody,.eqt tr,.eqt th,.eqt td{display:block}
 .eqt tr{border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;overflow:hidden}
 .eqt tbody th{background:var(--paper);padding:10px 14px}
 .eqt tr{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
 .eqt tbody th{grid-column:1/-1}
 .eqt td{padding:10px 12px;border-bottom:0;border-left:1px solid var(--line);font-size:14px;line-height:1.35;overflow-wrap:anywhere}
 .eqt td:nth-of-type(1){border-left:0}
 .eqt .lbl{display:block;font-size:12px;font-weight:600;color:var(--steel);letter-spacing:.04em;margin-bottom:2px}
 /* product detail */ .pd-hero{padding-block:20px 48px}
 .pd-hero .crumbs{margin-bottom:18px}
 .pd-grid{display:grid;gap:28px}
.pd-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:start}
 .gal-main{aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;background:var(--paper);margin:0;position:relative}
 .gal-main img{width:100%;height:100%;object-fit:cover}
 .gal-main figcaption{position:absolute;left:10px;bottom:10px;background:rgba(17,28,53,.86);color:var(--on-navy);font-size:13px;padding:5px 9px;border-radius:3px;max-width:calc(100% - 20px)}
 .gal-thumbs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:10px;list-style:none;padding:0}
 .gal-thumbs button{display:block;width:100%;padding:0;border:2px solid transparent;border-radius:var(--r);overflow:hidden;cursor:pointer;background:var(--paper);aspect-ratio:4/3}
 .gal-thumbs button[aria-pressed="true"]{border-color:var(--gold)}
 .gal-thumbs img{width:100%;height:100%;object-fit:cover}
 .pd-info h1{font-size:clamp(30px,1.3rem + 2vw,48px)}
 .pd-abbr{font-size:17px;font-weight:600;color:var(--steel);margin:8px 0 0}
 .pd-std{margin-top:20px}
 .kv{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:24px 0 0}
 .kv div{background:var(--white);padding:12px 14px;min-width:0}
 .kv dt{font-size:13px;font-weight:600;color:var(--steel)}
 .kv dd{margin:2px 0 0;font-weight:700;color:var(--navy);font-size:15.5px;line-height:1.35}
.kv{grid-template-columns:1fr}
.kv div{display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:baseline}
 .pd-act{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
 .toc{border-block:1px solid var(--line);background:var(--white);position:sticky;top:68px;z-index:20}
 .toc ul{list-style:none;margin:0;padding:0;display:flex;gap:4px 24px;overflow-x:auto;scrollbar-width:none}
 .toc ul::-webkit-scrollbar{display:none}
 .toc a{display:inline-flex;align-items:center;min-height:52px;white-space:nowrap;font-weight:600;font-size:15px;text-decoration:none;color:var(--steel)}
 .toc a:hover{color:var(--navy)}
 .pd-sec{padding-block:56px;border-bottom:1px solid var(--line)}
 .pd-sec:last-of-type{border-bottom:0}
 .pd-sec h2{font-size:clamp(24px,1.1rem + .9vw,30px);margin-bottom:24px}
 .pd-two{display:grid;gap:28px}
.pd-two{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px}
.pd-sec{padding-block:72px}
 .prose p{margin:0 0 14px;max-width:70ch}
 .pd-two>h2,.pd-two>div>h2{margin-bottom:0}
.pd-two{gap:16px}
 .feat{list-style:none;margin:0;padding:0;display:grid;gap:20px}
.feat{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 40px}
.feat{grid-template-columns:repeat(4,minmax(0,1fr))}
 .feat li{border-top:2px solid var(--navy);padding-top:16px}
 .feat li:first-child{border-top-color:var(--gold)}
 .feat h3{font-size:17.5px}
 .feat p{margin:6px 0 0;color:var(--steel);font-size:15px;line-height:1.55}
 .uses{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.uses{grid-template-columns:repeat(2,minmax(0,1fr))}
 .uses li{display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:var(--r)}
 .uses .n{width:40px;height:40px;border-radius:50%;background:var(--gold-soft);color:var(--gold-ink);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px}
 .uses h3{font-size:16.5px}
 .uses p{margin:4px 0 0;color:var(--steel);font-size:15px;line-height:1.5}
 .proc{display:grid;gap:16px}
.proc{grid-template-columns:repeat(2,minmax(0,1fr))}
 .proc a{display:flex;flex-direction:column;gap:8px;padding:20px;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink);background:var(--white)}
 .proc a:hover{border-color:var(--navy)}
 .proc h3{font-size:18px;color:var(--navy)}
 .proc .spec-line{font-size:14.5px;color:var(--steel)}
 .qc{list-style:none;margin:0;padding:0;display:grid;gap:12px}
 .qc li{display:flex;gap:10px;align-items:flex-start;font-weight:500}
 .qc svg{flex:0 0 auto;color:var(--gold-ink);margin-top:4px}
 /* services overview */ .svjump{border-bottom:1px solid var(--line)}
 .svjump ul{list-style:none;margin:0;padding:16px 0;display:flex;flex-wrap:wrap;gap:8px}
 .svjump a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 16px;border:1.5px solid var(--line);border-radius:999px;text-decoration:none;font-weight:600;font-size:15px}
 .svjump a:hover{border-color:var(--navy)}
 .svjump b{font-size:13px;color:var(--gold-ink)}
 .svrow{display:grid;gap:24px;padding-block:48px;border-bottom:1px solid var(--line)}
 .svrow:last-child{border-bottom:0}
 .svrow-media{margin:0;aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;background:var(--paper);position:relative}
 .svrow-media img{width:100%;height:100%;object-fit:cover}
 .svrow-media figcaption{position:absolute;left:10px;bottom:10px;background:rgba(17,28,53,.86);color:var(--on-navy);font-size:13px;padding:5px 9px;border-radius:3px}
 .ph{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px;background:repeating-linear-gradient(135deg,#EEF1F5 0 12px,#E6EAF0 12px 24px);color:var(--steel);font-weight:600;font-size:15px}
 .ph svg{color:#8D99AD}
 .svrow h2{font-size:clamp(24px,1.1rem + 1vw,32px)}
 .svrow .num{font-weight:700;color:var(--gold-ink);font-size:14px;letter-spacing:.1em}
 .svrow p.desc{margin:12px 0 0;color:var(--ink);max-width:62ch}
 .caps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:20px 0 0}
 .caps div{background:var(--white);padding:12px 14px;min-width:0}
 .caps dt{font-size:13px;font-weight:600;color:var(--steel)}
 .caps dd{margin:2px 0 0;font-weight:700;color:var(--navy);font-size:15px;line-height:1.4}
.caps{grid-template-columns:1fr}
 .svmeta{display:grid;gap:10px;margin:18px 0 0;font-size:15px}
 .svmeta div{display:grid;grid-template-columns:minmax(110px,auto) 1fr;gap:12px}
 .svmeta dt{font-weight:600;color:var(--steel)}
 .svmeta dd{margin:0}
 .svrow{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center;padding-block:72px}
 .svrow.flip .svrow-media{order:2}
 .svstats{background:var(--paper);border-bottom:1px solid var(--line)}
 .svstats ul{list-style:none;margin:0;padding:32px 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 20px}
.svstats ul{grid-template-columns:repeat(4,minmax(0,1fr));padding:40px 0}
.svstats li+li{border-left:1px solid var(--line);padding-left:28px}
 .svstats b{display:block;font-size:clamp(26px,1.1rem + 1.3vw,38px);color:var(--navy);line-height:1.1;font-weight:700}
 .svstats b small{font-size:.5em;color:var(--gold-ink);margin-left:6px;font-weight:700}
 .svstats span{display:block;margin-top:6px;color:var(--steel);font-size:14.5px}