/* ==========================================================================
   TENSAN Việt Nam — hệ thống giao diện
   Thế giới thương hiệu: bo mạch điện tử, dòng nhiệt, giọt keo.
   ========================================================================== */
:root{
  /* màu */
  --paper:#F3F5F2;
  --paper-2:#E8EEEB;
  --card:#FBFCFA;
  --ink:#0E1B1D;
  --ink-2:#43555A;
  --ink-3:#6E7F83;
  --brand:#3EABAE;          /* màu logo TENSAN */
  --brand-600:#1D7C80;      /* chữ/link trên nền sáng */
  --deep:#0B3437;           /* dải tối thương hiệu */
  --deep-2:#103F42;
  --mint:#D3E9E5;
  --cream:#F1F6F3;
  --heat:#E0501F;           /* điểm nhấn nhiệt — dùng tiết kiệm */
  --heat-soft:#F7B79C;
  --line:rgba(14,27,29,.13);
  --line-d:rgba(241,246,243,.16);
  /* chữ */
  --f-display:'Barlow Condensed','Arial Narrow',Impact,sans-serif;
  --f-body:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --f-it:'Fraunces',Georgia,'Times New Roman',serif;
  --f-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  /* nhịp */
  --gut:max(clamp(16px,3.8vw,56px),env(safe-area-inset-left,0px));
  --max:1440px;
  --r:14px;
  --ease:cubic-bezier(.2,.7,.1,1);
  --hdr:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--hdr) + 16px)}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.65 var(--f-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg,video,canvas{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--heat);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;left:12px;top:-60px;z-index:200;background:var(--deep);color:var(--cream);padding:10px 16px;border-radius:999px;transition:top .2s}
.skip:focus{top:12px}

/* ---------- bố cục ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-left:var(--gut);padding-right:var(--gut)}
.sec{padding:clamp(72px,10vw,150px) 0}
.sec--tight{padding:clamp(48px,6vw,90px) 0}
.band-deep{background:var(--deep);color:var(--cream)}
.band-paper2{background:var(--paper-2)}
.band-brand{background:var(--brand);color:var(--deep)}

/* ---------- kiểu chữ ---------- */
.display{font-family:var(--f-display);font-weight:800;text-transform:uppercase;line-height:.98;letter-spacing:-.005em;padding-top:.08em}
.it{font-family:var(--f-it);font-style:italic;font-weight:400;text-transform:none;letter-spacing:-.01em}
.mono,.eyebrow{font-family:var(--f-mono);font-weight:500;font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.eyebrow{color:var(--ink-3);display:inline-flex;gap:.6em;align-items:center}
.eyebrow b{color:var(--heat);font-weight:500}
.band-deep .eyebrow{color:rgba(241,246,243,.62)}
.h-xxl{font-size:clamp(64px,13vw,210px)}
.h-xl{font-size:clamp(52px,9vw,150px)}
.h-l{font-size:clamp(40px,6vw,96px)}
.h-m{font-size:clamp(32px,4vw,60px)}
.h-s{font-size:clamp(24px,2.4vw,34px)}
.lead{font-size:clamp(18px,1.6vw,22px);line-height:1.55;color:var(--ink-2);max-width:62ch}
.band-deep .lead{color:rgba(241,246,243,.78)}
.statement{font-size:clamp(28px,3.6vw,54px);line-height:1.12;letter-spacing:-.025em;font-weight:500}
.statement .it{color:var(--brand-600)}
.band-deep .statement .it{color:var(--brand)}
.muted{color:var(--ink-3)}
sup.count{font-family:var(--f-mono);font-size:.18em;letter-spacing:.08em;vertical-align:top;position:relative;top:.6em;margin-left:.25em;color:var(--heat);font-weight:500}

/* ---------- nút ---------- */
.btn{--bg:var(--deep);--fg:var(--cream);display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:48px;padding:0 22px;border-radius:999px;background:var(--bg);color:var(--fg);font-weight:600;font-size:15px;line-height:1;letter-spacing:-.01em;border:1.5px solid var(--bg);transition:transform .35s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .35s;white-space:nowrap;position:relative;overflow:hidden;isolation:isolate}
.btn svg{width:18px;height:18px;flex:none}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -12px rgba(11,52,55,.55)}
.btn:active{transform:translateY(0)}
.btn--quote{--bg:var(--heat);--fg:#fff}
.btn--quote:hover{--bg:#C9431A}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink)}
.band-deep .btn--ghost,.on-dark .btn--ghost{color:var(--cream);border-color:var(--line-d)}
.band-deep .btn--ghost:hover,.on-dark .btn--ghost:hover{border-color:var(--cream)}
.btn--light{--bg:var(--cream);--fg:var(--deep)}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px}
.btn--icon{width:44px;min-height:44px;padding:0}
.link{color:var(--brand-600);font-weight:600;background:linear-gradient(currentColor,currentColor) 0 100%/0 1.5px no-repeat;transition:background-size .35s var(--ease)}
.link:hover{background-size:100% 1.5px}
.arrow-c{width:52px;height:52px;border-radius:50%;border:1.5px solid currentColor;display:inline-grid;place-items:center;flex:none;transition:transform .45s var(--ease),background .3s,color .3s}
.arrow-c svg{width:20px;height:20px}

/* ---------- header ---------- */
.hdr{position:fixed;inset:0 0 auto;z-index:60;height:var(--hdr);color:var(--cream);transition:background .35s,color .35s,box-shadow .35s,transform .45s var(--ease)}
.hdr .wrap{height:100%;display:flex;align-items:center;gap:24px}
.hdr__logo{display:flex;align-items:center;flex:none}
.hdr__logo img{height:40px;width:auto}
.hdr__logo .lg-c{display:none}
.hdr__nav{display:flex;gap:4px;margin-left:auto}
.hdr__nav>li{position:relative}
.hdr__nav>li>a{display:flex;align-items:center;gap:6px;height:44px;padding:0 12px;font-weight:500;font-size:15px;border-radius:999px;position:relative}
.hdr__nav>li>a::after{content:"";position:absolute;left:12px;right:12px;bottom:8px;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.hdr__nav>li>a:hover::after,.hdr__nav>li>a[aria-current=page]::after{transform:scaleX(1)}
.hdr__nav svg{width:12px;height:12px}
.mega{position:absolute;left:50%;top:100%;transform:translate(-50%,8px);width:min(720px,80vw);background:var(--card);color:var(--ink);border-radius:18px;padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:4px;box-shadow:0 30px 60px -20px rgba(11,52,55,.35);opacity:0;visibility:hidden;transition:opacity .25s,transform .35s var(--ease),visibility .25s}
.hdr__nav>li:hover .mega,.hdr__nav>li:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;font-weight:500;font-size:15px}
.mega a:hover{background:var(--paper-2)}
.mega img{width:44px;height:44px;object-fit:contain;flex:none}
.mega small{display:block;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase}
.mega__all{grid-column:1/-1;justify-content:space-between;background:var(--deep);color:var(--cream)!important;margin-top:6px}
.mega__all:hover{background:var(--deep-2)!important}
.hdr__act{display:flex;align-items:center;gap:8px;flex:none}
.hdr__tel{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:15px;padding:0 6px}
.hdr__tel small{font-family:var(--f-mono);font-weight:500;font-size:10px;letter-spacing:.14em;opacity:.7}
.icon-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--line-d);transition:border-color .25s,background .25s}
.icon-btn:hover{border-color:currentColor}
.icon-btn svg{width:20px;height:20px}
.hdr__burger{display:none}
.hdr.is-solid,.page-solid .hdr{background:rgba(243,245,242,.9);-webkit-backdrop-filter:blur(14px) saturate(1.3);backdrop-filter:blur(14px) saturate(1.3);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.hdr.is-solid .lg-w,.page-solid .hdr .lg-w{display:none}
.hdr.is-solid .lg-c,.page-solid .hdr .lg-c{display:block}
.hdr.is-solid .icon-btn,.page-solid .hdr .icon-btn{border-color:var(--line)}
.hdr.is-hidden{transform:translateY(-100%)}
@media (max-width:1180px){.hdr__tel{display:none}}
@media (max-width:1000px){
  .hdr__nav,.hdr__act .btn--quote{display:none}
  .hdr__burger{display:grid}
  .hdr__act{margin-left:auto}
}

/* menu điện thoại */
.mnav{position:fixed;inset:0;z-index:90;background:var(--deep);color:var(--cream);display:flex;flex-direction:column;padding:calc(var(--hdr) + 8px) var(--gut) 28px;transform:translateY(-100%);transition:transform .55s var(--ease);overflow-y:auto}
.mnav.is-open{transform:none}
.mnav__close{position:absolute;right:var(--gut);top:14px}
.mnav__list{border-top:1px solid var(--line-d)}
.mnav__list>li{border-bottom:1px solid var(--line-d)}
.mnav__list>li>a{display:flex;justify-content:space-between;align-items:center;padding:14px 0;font-family:var(--f-display);font-weight:800;font-size:34px;text-transform:uppercase;line-height:1}
.mnav__sub{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;padding:0 0 16px}
.mnav__sub a{font-size:14px;color:rgba(241,246,243,.78);padding:6px 0}
.mnav__foot{margin-top:auto;padding-top:24px;display:grid;gap:10px}

/* ---------- tìm kiếm ---------- */
.search{position:fixed;inset:0;z-index:95;background:rgba(11,52,55,.55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:grid;align-items:start;padding-top:12vh;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.search.is-open{opacity:1;visibility:visible}
.search__box{width:min(760px,calc(100% - 32px));margin:0 auto;background:var(--card);border-radius:22px;padding:18px;box-shadow:0 40px 80px -30px rgba(0,0,0,.5)}
.search__row{display:flex;gap:10px;flex-wrap:wrap}
.search__row select,.search__row input{height:52px;border-radius:14px;border:1.5px solid var(--line);background:var(--paper);padding:0 14px}
.search__row input{flex:1 1 260px;font-size:17px}
.search__res{margin-top:10px;max-height:52vh;overflow:auto}
.search__res a{display:flex;align-items:center;gap:12px;padding:8px;border-radius:12px}
.search__res a:hover,.search__res a:focus{background:var(--paper-2)}
.search__res img{width:52px;height:52px;border-radius:10px}
.search__res small{display:block;color:var(--ink-3);font-size:13px}
.search__hint{font-size:13px;color:var(--ink-3);padding:10px 4px 0}

/* ---------- hero trang chủ ---------- */
.hero{position:relative;min-height:max(100svh,680px);background:var(--deep);color:var(--cream);overflow:hidden;isolation:isolate;display:flex;flex-direction:column}
.hero__pcb{position:absolute;inset:0;z-index:-2;width:100%;height:100%}
.hero__pcb .tr{fill:none;stroke:rgba(62,171,174,.22);stroke-width:1.4}
.hero__pcb .tr2{fill:none;stroke:rgba(62,171,174,.12);stroke-width:1}
.hero__pcb .pad{fill:var(--deep);stroke:rgba(62,171,174,.35);stroke-width:1.4}
.hero__pcb .sig{fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-dasharray:14 600;animation:sig 7s linear infinite}
.hero__pcb .sig.h{stroke:var(--heat)}
@keyframes sig{to{stroke-dashoffset:-614}}
.hero__glow{position:absolute;z-index:-1;width:70vmax;height:70vmax;left:50%;top:62%;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(62,171,174,.30),rgba(62,171,174,.06) 60%,transparent);pointer-events:none}
.hero__top{padding-top:calc(var(--hdr) + clamp(20px,4vh,48px))}
.hero__labels{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:rgba(241,246,243,.6);border-top:1px solid var(--line-d);padding-top:14px}
.hero__stage{position:relative;flex:1;display:flex;flex-direction:column;justify-content:center;min-height:min(56vh,560px)}
.hero__tag{text-align:center;font-size:clamp(22px,2.6vw,40px);color:var(--brand);margin-bottom:-.05em;position:relative;z-index:1}
.hero__word{position:relative;z-index:1;text-align:center;white-space:nowrap;color:var(--cream);font-family:var(--f-display);font-weight:800;line-height:.82;letter-spacing:-.01em;padding-top:.06em;user-select:none}
.hero__word span{display:inline-block}
.hero__front{position:absolute;inset:0;z-index:2;pointer-events:none}
.hero__front img{position:absolute;width:auto;filter:drop-shadow(0 30px 40px rgba(0,0,0,.45))}
.hero__front .p1{height:clamp(150px,25vh,270px);left:5%;bottom:3%}
.hero__front .p2{height:clamp(110px,19vh,210px);left:23%;bottom:3%}
.hero__front .p3{height:clamp(130px,23vh,250px);right:24%;bottom:3%}
.hero__front .p4{height:clamp(100px,17vh,190px);right:4%;bottom:6%}
.hero__bot{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;padding-bottom:clamp(20px,4vh,40px);border-top:1px solid var(--line-d);padding-top:20px;position:relative;z-index:3}
.hero__pitch{font-size:clamp(17px,1.5vw,21px);line-height:1.45;max-width:46ch;color:rgba(241,246,243,.86)}
.hero__cta{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.hero__cue{display:none!important;flex-direction:column;align-items:center;gap:8px;color:rgba(241,246,243,.6)}
.hero__cue i{width:1.5px;height:42px;background:linear-gradient(var(--cream),transparent);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media (max-width:760px){
  .hero__bot{grid-template-columns:1fr}
  .hero__cta{justify-content:flex-start}
  .hero__cue{display:none}
  .hero__front .p2,.hero__front .p3{display:none}
  .hero__front .p1{left:-2%;bottom:0;height:24vh}
  .hero__front .p4{right:-3%;bottom:2%;height:15vh}
  .hero__labels span:nth-child(3){display:none}
}

/* ---------- marquee ---------- */
.marq{overflow:hidden;padding:clamp(18px,2.4vw,30px) 0;border-block:1px solid rgba(11,52,55,.15)}
.marq__track{display:flex;width:max-content;animation:marq 38s linear infinite}
.marq:hover .marq__track{animation-play-state:paused}
.marq__item{display:flex;align-items:center;gap:clamp(18px,2.4vw,36px);padding-right:clamp(18px,2.4vw,36px);font-family:var(--f-display);font-weight:800;font-size:clamp(36px,5.4vw,84px);line-height:1;text-transform:uppercase;white-space:nowrap}
.marq__item .o{color:transparent;-webkit-text-stroke:1.5px var(--deep)}
.band-deep .marq__item .o{-webkit-text-stroke-color:var(--cream)}
.marq__item .star{color:var(--heat);font-size:.55em}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- statement + số liệu ---------- */
.split{display:grid;grid-template-columns:minmax(180px,1fr) 3fr;gap:clamp(24px,4vw,64px);align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(48px,7vw,96px);border-top:1px solid var(--line)}
.stat{padding:22px clamp(12px,2vw,28px) 0 0;border-right:1px solid var(--line);margin-right:clamp(12px,2vw,28px)}
.stat:last-child{border-right:0;margin-right:0}
.stat__n{font-family:var(--f-display);font-weight:800;font-size:clamp(56px,7vw,112px);line-height:.9;letter-spacing:-.01em;padding-top:.06em}
.stat__n small{font-size:.38em;margin-left:.08em;color:var(--brand-600)}
.stat__l{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:22ch}
.band-deep .stat{border-color:var(--line-d)}
.band-deep .stat__l{color:rgba(241,246,243,.72)}
.band-deep .stat__n small{color:var(--brand)}
@media (max-width:860px){.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0;margin-right:0}.stat:nth-child(n+3){border-top:1px solid var(--line);margin-top:22px}.band-deep .stat:nth-child(n+3){border-top-color:var(--line-d)}}

/* ---------- lộ chữ theo cuộn ---------- */
.w{display:inline-block;filter:blur(var(--b,0));opacity:var(--o,1);transition:filter .25s linear,opacity .25s linear;will-change:filter,opacity}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}
.mask{overflow:hidden;position:relative;background:var(--paper-2)}
.mask>img{width:100%;height:100%;object-fit:cover;transform:scale(var(--s,1.08));filter:blur(var(--ib,0)) saturate(var(--sat,1));transition:transform 1.1s var(--ease)}
.m-arch{border-radius:200px 200px 14px 14px}
.m-corner{border-radius:14px 170px 14px 14px}
.m-corner-l{border-radius:170px 14px 14px 14px}
.m-circle{border-radius:50%}
.m-soft{border-radius:var(--r)}

/* ---------- tiêu đề khối ---------- */
.shead{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:clamp(32px,5vw,64px)}
.shead__l{max-width:900px}
.shead .eyebrow{margin-bottom:18px}
.shead p{margin-top:18px}

/* ---------- nhóm sản phẩm (trang chủ) ---------- */
.cgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(14px,1.6vw,24px)}
.ccard{grid-column:span 2;display:flex;flex-direction:column;gap:14px;position:relative}
.ccard--w{grid-column:span 4}
.ccard--h{grid-column:span 3}
.ccard--full{grid-column:1/-1}
.ccard__media{aspect-ratio:4/3.4;background:var(--mint);position:relative;display:block;overflow:hidden}
.ccard--w .ccard__media{aspect-ratio:16/8.6}
.ccard--h .ccard__media{aspect-ratio:16/10}
.ccard--full .ccard__media{aspect-ratio:21/7}
.ccard__media img{position:absolute;left:12%;top:10%;width:76%;height:76%;max-width:none;object-fit:contain;transition:transform 1.1s var(--ease);filter:drop-shadow(0 26px 30px rgba(11,52,55,.28))}
.ccard:hover .ccard__media img{transform:scale(1.05) translateY(-6px)}
.ccard__media .ghost{position:absolute;left:0;right:0;bottom:-.12em;text-align:center;font-family:var(--f-display);font-weight:800;font-size:clamp(70px,11vw,190px);line-height:.8;color:rgba(11,52,55,.07);text-transform:uppercase;white-space:nowrap;pointer-events:none}
.ccard__more{position:absolute;right:16px;bottom:16px;background:var(--deep);color:var(--cream);border-radius:999px;padding:9px 14px;font-size:13px;font-weight:600;transform:translateY(220%);transition:transform .45s var(--ease)}
.ccard:hover .ccard__more,.ccard:focus-within .ccard__more{transform:none}
.ccard__meta{display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.ccard__name{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(26px,2.4vw,38px);line-height:.95;padding-top:.06em}
.ccard__desc{color:var(--ink-2);font-size:15px;max-width:52ch}
.ccard a.cover{position:absolute;inset:0;z-index:2;border-radius:var(--r)}
.c-tint-1{background:#D3E9E5}.c-tint-2{background:#E7E1D6}.c-tint-3{background:#DDE6EE}.c-tint-4{background:#F0DED6}.c-tint-5{background:#E3E8DA}
@media (max-width:1000px){.cgrid{grid-template-columns:repeat(2,1fr)}.ccard,.ccard--w,.ccard--h{grid-column:span 1}.ccard--full{grid-column:1/-1}.ccard--w .ccard__media,.ccard--h .ccard__media{aspect-ratio:4/3.4}}
@media (max-width:640px){.cgrid{grid-template-columns:1fr}.ccard--full .ccard__media{aspect-ratio:4/3}}

/* ---------- danh sách nổi bật (hàng có hover fill) ---------- */
.rows{border-top:1px solid var(--line)}
.row{position:relative;display:grid;grid-template-columns:70px 1fr auto auto;gap:clamp(12px,2vw,32px);align-items:center;padding:clamp(18px,2.2vw,28px) clamp(8px,1.4vw,20px);border-bottom:1px solid var(--line);isolation:isolate;overflow:hidden;transition:color .45s var(--ease)}
.row::before{content:"";position:absolute;inset:0;background:var(--deep);transform:scaleY(0);transform-origin:bottom;transition:transform .55s var(--ease);z-index:-1}
.row:hover,.row:focus-within{color:var(--cream)}
.row:hover::before,.row:focus-within::before{transform:scaleY(1)}
.row__i{font-family:var(--f-mono);font-size:13px;letter-spacing:.1em;color:var(--ink-3)}
.row:hover .row__i{color:var(--brand)}
.row__name{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(30px,4.2vw,64px);line-height:.92;padding-top:.06em;transition:transform .55s var(--ease)}
.row__name .it{font-size:.52em;text-transform:none;color:var(--brand-600);margin-left:.3em;vertical-align:.2em}
.row:hover .row__name{transform:translateX(12px)}
.row:hover .row__name .it{color:var(--brand)}
.row__spec{text-align:right}
.row__spec b{display:block;font-family:var(--f-display);font-weight:800;font-size:clamp(28px,3vw,46px);line-height:.9}
.row__spec small{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.row:hover .row__spec small{color:rgba(241,246,243,.6)}
.row:hover .arrow-c{transform:rotate(-45deg);background:var(--cream);color:var(--deep);border-color:var(--cream)}
.row__thumb{position:absolute;right:28%;top:50%;width:150px;aspect-ratio:1;transform:translate(0,-50%) scale(.6) rotate(-6deg);opacity:0;transition:opacity .35s,transform .6s var(--ease);pointer-events:none;object-fit:contain;filter:drop-shadow(0 16px 20px rgba(0,0,0,.4))}
.row:hover .row__thumb{opacity:1;transform:translate(0,-50%) scale(1) rotate(0)}
.row a.cover{position:absolute;inset:0}
@media (max-width:760px){.row{grid-template-columns:44px 1fr auto}.row .arrow-c{display:none}.row__thumb{display:none}}

/* ---------- dải điểm mạnh ---------- */
.why{position:relative;overflow:hidden;isolation:isolate}
.why canvas.thermal{position:absolute;inset:0;width:100%;height:100%;z-index:-1;filter:blur(1px)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-d)}
.step{padding:clamp(22px,3vw,40px) clamp(16px,2.4vw,36px) clamp(26px,3vw,44px) 0;border-right:1px solid var(--line-d);border-bottom:1px solid var(--line-d);margin-right:clamp(16px,2.4vw,36px)}
.step:nth-child(3n){border-right:0;margin-right:0}
.step__n{font-family:var(--f-mono);font-size:13px;letter-spacing:.14em;color:var(--heat-soft)}
.step__ic{width:46px;height:46px;margin:22px 0 18px;color:var(--brand)}
.step h3{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(26px,2.4vw,36px);line-height:.95;padding-top:.06em}
.step p{margin-top:12px;color:rgba(241,246,243,.74);font-size:15.5px;max-width:40ch}
@media (max-width:1000px){.steps{grid-template-columns:1fr 1fr}.step:nth-child(3n){border-right:1px solid var(--line-d);margin-right:clamp(16px,2.4vw,36px)}.step:nth-child(2n){border-right:0;margin-right:0}}
@media (max-width:640px){.steps{grid-template-columns:1fr}.step{border-right:0!important;margin-right:0!important}}
.notice{margin-top:clamp(40px,6vw,80px);background:var(--cream);color:var(--deep);border-radius:14px 120px 14px 14px;padding:clamp(28px,4vw,56px);display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.notice h3{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(30px,3.4vw,52px);line-height:.95;padding-top:.06em}
.notice h3 .it{color:var(--brand-600)}
.notice p{margin-top:12px;color:var(--ink-2);max-width:60ch}
.notice__cta{display:flex;flex-direction:column;gap:10px}
@media (max-width:760px){.notice{grid-template-columns:1fr;border-radius:14px 70px 14px 14px}}

/* ---------- dải dịch vụ ---------- */
.svc{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.6vw,22px)}
.svc__i{display:flex;gap:14px;align-items:flex-start;padding:22px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.svc__i svg{width:34px;height:34px;color:var(--brand-600);flex:none}
.svc__i b{display:block;font-size:16px;line-height:1.3}
.svc__i span{font-size:14px;color:var(--ink-3);line-height:1.45;display:block;margin-top:4px}
@media (max-width:1000px){.svc{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.svc{grid-template-columns:1fr}}

/* ---------- gallery nhà máy ---------- */
.gal{display:grid;grid-template-columns:1.05fr .8fr 1.15fr;gap:clamp(14px,2vw,32px);align-items:end}
.gal figure:nth-child(1) .mask{aspect-ratio:3/4}
.gal figure:nth-child(2) .mask{aspect-ratio:1}
.gal figure:nth-child(3) .mask{aspect-ratio:4/3.4}
.gal figcaption{margin-top:12px;color:var(--ink-3)}
.quote{margin-top:clamp(48px,7vw,96px);font-size:clamp(28px,3.8vw,58px);line-height:1.1;letter-spacing:-.025em;font-weight:500;max-width:22ch}
.quote span{color:var(--ink-3)}
@media (max-width:760px){.gal{grid-template-columns:1fr 1fr}.gal figure:nth-child(3){grid-column:1/-1}}

/* ---------- đối tác ---------- */
.logos{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.logos__track{display:flex;width:max-content;gap:clamp(14px,1.6vw,22px);animation:marq 46s linear infinite;padding:8px 0}
.logos--rev .logos__track{animation-direction:reverse}
.logos:hover .logos__track{animation-play-state:paused}
.logo-c{width:clamp(170px,16vw,230px);aspect-ratio:2/1;background:#fff;border-radius:var(--r);display:grid;place-items:center;border:1px solid var(--line);flex:none}
.logo-c img{max-width:72%;max-height:58%;object-fit:contain;filter:grayscale(1);mix-blend-mode:multiply;opacity:.7;transition:filter .35s,opacity .35s}
.logo-c:hover img{filter:none;opacity:1}

/* ---------- tin tức ---------- */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2vw,32px)}
.ncard{position:relative;display:flex;flex-direction:column;gap:14px}
.ncard__img{aspect-ratio:16/10.5}
.ncard__img img{transition:transform 1.1s var(--ease)}
.ncard:hover .ncard__img img{transform:scale(1.04)}
.ncard__meta{display:flex;gap:12px;color:var(--ink-3)}
.ncard__meta b{color:var(--brand-600);font-weight:500}
.ncard h3{font-size:clamp(19px,1.5vw,22px);line-height:1.3;font-weight:600;letter-spacing:-.01em}
.ncard p{color:var(--ink-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ncard a.cover{position:absolute;inset:0}
.ncard--lead{grid-column:1/-1;display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(18px,3vw,48px);align-items:center}
.ncard--lead .ncard__img{aspect-ratio:16/10}
.ncard--lead h3{font-size:clamp(26px,2.8vw,40px);line-height:1.12}
@media (max-width:1000px){.ngrid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.ngrid{grid-template-columns:1fr}.ncard--lead{grid-template-columns:1fr}}

/* ---------- CTA + liên hệ ---------- */
.cta{position:relative;text-align:center;overflow:hidden;isolation:isolate}
.cta::before{content:"";position:absolute;width:80vmax;height:80vmax;left:50%;top:50%;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(62,171,174,.28),transparent 70%);z-index:-1}
.cta .display{font-size:clamp(56px,11vw,180px)}
.cta .it.big{display:block;font-size:clamp(30px,4.6vw,72px);color:var(--brand-600);margin-top:.32em}
.cta p{margin:24px auto 0;max-width:56ch;color:var(--ink-2)}
.cta .btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.phones{display:grid;grid-template-columns:repeat(3,1fr);margin-top:clamp(48px,7vw,96px);border-top:1px solid var(--line);text-align:left}
.phone{padding:22px 20px 0 0}
.phone a.num{display:block;font-family:var(--f-display);font-weight:800;font-size:clamp(34px,4vw,64px);line-height:1;padding-top:.06em;user-select:all;transition:color .25s}
.phone a.num:hover{color:var(--brand-600)}
.phone small{display:block;margin-top:8px;color:var(--ink-3)}
@media (max-width:860px){.phones{grid-template-columns:1fr}.phone{border-bottom:1px solid var(--line);padding-bottom:18px}}
.socials{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:28px}

/* ---------- footer ---------- */
.ftr{background:var(--deep);color:var(--cream);padding-top:clamp(64px,8vw,110px);overflow:hidden}
.ftr__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(24px,3vw,48px)}
.ftr__brand img{height:46px;width:auto}
.ftr__brand p{margin-top:18px;color:rgba(241,246,243,.72);font-size:15px;max-width:40ch}
.ftr h4{font-family:var(--f-mono);font-weight:500;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(241,246,243,.55);margin-bottom:16px}
.ftr li{margin:8px 0}
.ftr li a{color:rgba(241,246,243,.86);font-size:15px;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .35s var(--ease)}
.ftr li a:hover{background-size:100% 1px}
.ftr address{font-style:normal;color:rgba(241,246,243,.78);font-size:15px;line-height:1.6}
.ftr__word{font-family:var(--f-display);font-weight:800;line-height:.8;text-align:center;white-space:nowrap;color:var(--brand);margin-top:clamp(48px,6vw,80px);padding-top:.06em;user-select:none;opacity:.95}
.ftr__bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line-d);padding:18px 0 calc(18px + env(safe-area-inset-bottom,0px));color:rgba(241,246,243,.55)}
@media (max-width:1000px){.ftr__grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ftr__grid{grid-template-columns:1fr}}

/* ---------- liên hệ nổi ---------- */
.dock{position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));z-index:70;display:flex;flex-direction:column;gap:10px}
.dock a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 12px 24px -10px rgba(0,0,0,.45);transition:transform .35s var(--ease)}
.dock a:hover{transform:scale(1.08)}
.dock svg{width:24px;height:24px}
.dock .d-tel{background:var(--heat);position:relative}
.dock .d-tel::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--heat);animation:ping 2s var(--ease) infinite}
@keyframes ping{to{transform:scale(1.6);opacity:0}}
.dock .d-zalo{background:#0068FF;font-weight:800;font-size:13px;letter-spacing:-.02em}
.dock .d-fb{background:#1877F2}
.mbar{display:none}
@media (max-width:760px){
  .dock{bottom:calc(76px + env(safe-area-inset-bottom,0px))}
  .dock .d-tel{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:70;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));background:rgba(243,245,242,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .mbar .btn{width:100%}
  body{padding-bottom:72px}
}

/* ---------- trang con: hero ---------- */
.phero{position:relative;background:var(--deep);color:var(--cream);padding:calc(var(--hdr) + clamp(48px,7vw,110px)) 0 clamp(48px,6vw,90px);overflow:hidden;isolation:isolate}
.phero__bg{position:absolute;inset:0;z-index:-2}
.phero__bg img{width:100%;height:100%;object-fit:cover;opacity:.32;filter:saturate(.7)}
.phero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--deep) 18%,rgba(11,52,55,.55) 70%,rgba(11,52,55,.2)),linear-gradient(0deg,var(--deep),transparent 50%)}
.phero h1{font-size:clamp(52px,9vw,150px);margin-top:18px}
.phero h1 .it{color:var(--brand);font-size:.62em;display:block;margin-top:.24em;line-height:1.05;text-transform:none}
.phero .lead{margin-top:24px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;color:rgba(241,246,243,.6)}
.crumbs a:hover{color:var(--cream)}
.crumbs li+li::before{content:"/";margin-right:8px;opacity:.5}
.phero__side{position:absolute;right:var(--gut);bottom:clamp(30px,5vw,70px);height:min(62%,400px);width:auto;max-width:34vw;object-fit:contain;z-index:-1;filter:drop-shadow(0 30px 40px rgba(0,0,0,.45))}
@media (max-width:860px){.phero__side{opacity:.28;right:-8%}}

/* ---------- lưới sản phẩm ---------- */
.filters{position:sticky;top:var(--hdr);z-index:20;background:rgba(243,245,242,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:14px 0}
.filters .wrap{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.pills{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px;margin:-2px}
.pills::-webkit-scrollbar{display:none}
.pill{flex:none;height:40px;padding:0 16px;border-radius:999px;border:1.5px solid var(--line);font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:8px;transition:background .25s,color .25s,border-color .25s;white-space:nowrap}
.pill:hover{border-color:var(--ink)}
.pill[aria-pressed=true],.pill.is-on{background:var(--deep);color:var(--cream);border-color:var(--deep)}
.pill small{font-family:var(--f-mono);font-size:11px;opacity:.6}
.fsearch{position:relative;flex:0 1 300px}
.fsearch input{width:100%;height:44px;border-radius:999px;border:1.5px solid var(--line);background:var(--card);padding:0 16px 0 42px}
.fsearch svg{position:absolute;left:14px;top:12px;width:20px;height:20px;color:var(--ink-3)}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.6vw,26px)}
@media (max-width:1180px){.pgrid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:860px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){
  .pgrid{gap:10px}
  .pcard{border-radius:14px}
  .pcard__body{padding:10px 10px 12px;gap:6px}
  .pcard__name{font-size:14.5px}
  .pcard__cat{font-size:10px;letter-spacing:.08em}
  .chip{font-size:11.5px;padding:3px 8px}
  .chips .chip:nth-child(3){display:none}
  .pcard__act .btn--sm{min-height:38px;padding:0 10px;font-size:12.5px}
  .pcard__act .btn--icon{width:38px;min-height:38px}
  .pcard__view{display:none}
}
@media (max-width:330px){.pgrid{grid-template-columns:1fr}}
.pcard{position:relative;display:flex;flex-direction:column;background:var(--card);border-radius:18px;border:1px solid var(--line);overflow:hidden;transition:box-shadow .45s var(--ease),transform .45s var(--ease)}
.pcard:hover{box-shadow:0 30px 50px -30px rgba(11,52,55,.45);transform:translateY(-4px)}
.pcard__img{aspect-ratio:1;overflow:hidden;position:relative;background:#EDF2EF}
.pcard__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.pcard:hover .pcard__img img{transform:scale(1.04)}
.pcard__view{position:absolute;left:50%;bottom:14px;transform:translate(-50%,160%);background:var(--deep);color:var(--cream);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;white-space:nowrap;transition:transform .45s var(--ease)}
.pcard:hover .pcard__view{transform:translate(-50%,0)}
.pcard__body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard__cat{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.pcard__name{font-size:17px;font-weight:600;line-height:1.3;letter-spacing:-.01em}
.pcard__name a::after{content:"";position:absolute;inset:0;z-index:1}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:12.5px;padding:4px 10px;border-radius:999px;background:var(--paper-2);color:var(--ink-2);line-height:1.4}
.pcard__act{display:flex;gap:8px;margin-top:auto;padding-top:8px;position:relative;z-index:2}
.pcard__act .btn{flex:1}
.empty{padding:60px 0;text-align:center;color:var(--ink-3)}
.pgroup+.pgroup{margin-top:clamp(56px,7vw,96px)}
.pgroup__h{display:flex;justify-content:space-between;align-items:end;gap:16px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:24px;flex-wrap:wrap}
.pgroup__h h2{font-size:clamp(32px,4vw,56px)}

/* ---------- chi tiết sản phẩm ---------- */
.pd{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,5vw,80px);align-items:start}
@media (max-width:900px){.pd{grid-template-columns:1fr}}
.pd__gal{position:sticky;top:calc(var(--hdr) + 20px)}
@media (max-width:900px){.pd__gal{position:static}}
.pd__main{border-radius:22px;overflow:hidden;aspect-ratio:1;background:#EDF2EF;position:relative}
.pd__main img{width:100%;height:100%;object-fit:cover}
.pd__thumbs{display:flex;gap:10px;margin-top:12px}
.pd__thumbs button{width:84px;aspect-ratio:1;border-radius:12px;overflow:hidden;border:2px solid transparent;opacity:.65;transition:opacity .25s,border-color .25s}
.pd__thumbs button[aria-current=true]{border-color:var(--deep);opacity:1}
.pd__info h1{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(40px,5vw,76px);line-height:.92;padding-top:.06em;margin-top:14px}
.pd__code{display:inline-flex;gap:10px;align-items:center}
.pd__code b{background:var(--deep);color:var(--cream);font-family:var(--f-mono);font-weight:500;font-size:13px;padding:5px 12px;border-radius:999px;letter-spacing:.06em}
.pd__sum{margin-top:18px;font-size:17px;color:var(--ink-2)}
.kv{margin-top:26px;border-top:1px solid var(--line)}
.kv div{display:grid;grid-template-columns:minmax(120px,40%) 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.kv dt{color:var(--ink-3)}
.kv dd{font-weight:500}
.pd__opts{margin-top:22px}
.pd__opts .chips{margin-top:8px}
.pd__opts .chip{background:var(--card);border:1.5px solid var(--line);font-size:14px;padding:6px 14px}
.pd__cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.pd__cta .btn{flex:1 1 200px;min-height:56px;font-size:16px}
.pd__assure{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}
.pd__assure div{display:flex;gap:10px;align-items:center;font-size:13.5px;color:var(--ink-2);line-height:1.35}
.pd__assure svg{width:26px;height:26px;color:var(--brand-600);flex:none}
@media (max-width:520px){.pd__assure{grid-template-columns:1fr}}
.tabs{margin-top:clamp(56px,7vw,100px)}
.tabs__nav{display:flex;gap:8px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.tabs__nav button{padding:14px 4px;margin-right:20px;font-weight:600;color:var(--ink-3);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs__nav button[aria-selected=true]{color:var(--ink);border-color:var(--heat)}
.tabs__panel{padding-top:28px;max-width:860px}
.prose{font-size:17px;line-height:1.75;color:var(--ink-2)}
.prose>*+*{margin-top:1em}
.prose h2,.prose h3,.prose h4{color:var(--ink);font-weight:700;letter-spacing:-.015em;line-height:1.25;margin-top:1.8em}
.prose h2{font-size:clamp(24px,2.4vw,32px)}
.prose h3{font-size:clamp(20px,2vw,25px)}
.prose h4{font-size:19px}
.prose ul{padding-left:0}
.prose ul li{position:relative;padding-left:26px;margin:.4em 0}
.prose ul li::before{content:"";position:absolute;left:4px;top:.72em;width:9px;height:9px;border-radius:50%;background:var(--brand)}
.prose ol{list-style:decimal;padding-left:1.4em}
.prose ol li{margin:.4em 0;padding-left:.3em}
.prose a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.prose img{border-radius:var(--r);margin:1.6em auto;width:auto;max-height:620px}
.prose strong{color:var(--ink)}
.prose table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto}
.prose td,.prose th{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--paper-2);color:var(--ink)}
.prose blockquote{border-left:3px solid var(--heat);padding:6px 0 6px 18px;color:var(--ink)}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:14px;color:var(--ink-3);text-align:center;margin-top:-1em}

/* ---------- bài viết ---------- */
.art{max-width:820px;margin:0 auto}
.art__cover{border-radius:22px;overflow:hidden;margin:clamp(-60px,-4vw,-30px) auto 40px;max-width:1100px;aspect-ratio:16/9;background:var(--paper-2);position:relative;z-index:2;box-shadow:0 40px 60px -40px rgba(11,52,55,.5)}
.art__cover img{width:100%;height:100%;object-fit:cover}
.art__meta{display:flex;gap:16px;flex-wrap:wrap;color:rgba(241,246,243,.62);margin-top:22px}
.phero--art h1{font-size:clamp(34px,4.6vw,68px);line-height:1;max-width:22ch}
.share{display:flex;gap:10px;align-items:center;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}
.box-cta{margin-top:56px;background:var(--deep);color:var(--cream);border-radius:14px 90px 14px 14px;padding:clamp(24px,4vw,44px);display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.box-cta h3{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(28px,3vw,42px);line-height:.95;padding-top:.06em}
.box-cta p{color:rgba(241,246,243,.75);margin-top:8px}
.box-cta .btns{display:flex;gap:10px;flex-wrap:wrap}
@media (max-width:760px){.box-cta{grid-template-columns:1fr}}

/* ---------- giới thiệu ---------- */
.facts{border-top:1px solid var(--line);margin-top:32px}
.facts div{display:grid;grid-template-columns:200px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.facts dt{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding-top:4px}
.facts dd{font-weight:500}
@media (max-width:640px){.facts div{grid-template-columns:1fr;gap:4px}}
.letter{background:var(--card);border:1px solid var(--line);border-radius:14px 120px 14px 14px;padding:clamp(28px,4vw,56px)}
.letter p+p{margin-top:1em}
.letter .sign{margin-top:24px;font-family:var(--f-it);font-style:italic;font-size:22px;color:var(--brand-600)}
.vm{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,2vw,28px)}
.vm__c{padding:clamp(24px,3vw,40px);border-radius:var(--r);background:var(--deep-2);color:var(--cream);min-height:260px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.vm__c h3{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(36px,4vw,64px);line-height:.9;padding-top:.06em}
.vm__c p{font-size:clamp(18px,1.6vw,22px);line-height:1.45;color:rgba(241,246,243,.86)}
@media (max-width:760px){.vm{grid-template-columns:1fr}}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.6vw,22px);margin-top:clamp(14px,2vw,28px)}
.value{padding:24px;border-radius:var(--r);border:1px solid var(--line-d)}
.value b{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;color:var(--heat-soft)}
.value h4{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:30px;line-height:.95;margin:14px 0 10px;padding-top:.06em}
.value p{color:rgba(241,246,243,.72);font-size:15px}
@media (max-width:1000px){.values{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.values{grid-template-columns:1fr}}
.factory{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(12px,1.6vw,22px)}
.factory figure{position:relative}
.factory .mask{height:100%}
.factory figcaption{position:absolute;left:14px;bottom:14px;background:rgba(11,52,55,.82);color:var(--cream);padding:7px 12px;border-radius:999px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:2}
.f1{grid-column:span 7;aspect-ratio:16/10.6}.f2{grid-column:span 5;aspect-ratio:1.078}.f3{grid-column:span 4;aspect-ratio:1}.f4{grid-column:span 4;aspect-ratio:1}.f5{grid-column:span 4;aspect-ratio:1}.f6{grid-column:span 5;aspect-ratio:4/3}.f7{grid-column:span 7;aspect-ratio:1.867}
@media (max-width:760px){.factory>*{grid-column:span 12!important;aspect-ratio:4/3!important}}
.cap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px);align-items:center}
.cap+.cap{margin-top:clamp(56px,7vw,110px)}
.cap--rev .cap__img{order:2}
.cap__img{aspect-ratio:4/3.3}
.cap ul{margin-top:22px;border-top:1px solid var(--line)}
.cap li{padding:14px 0 14px 34px;border-bottom:1px solid var(--line);position:relative}
.cap li::before{content:"";position:absolute;left:4px;top:21px;width:14px;height:14px;border-radius:4px;border:2px solid var(--brand);transform:rotate(45deg)}
@media (max-width:860px){.cap{grid-template-columns:1fr}.cap--rev .cap__img{order:0}}
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2vw,28px)}
.cert{display:flex;flex-direction:column;gap:14px;text-align:left}
.cert__img{aspect-ratio:3/4;background:#fff;border-radius:var(--r);border:1px solid var(--line);padding:14px;display:grid;place-items:center;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.cert:hover .cert__img{transform:translateY(-6px) rotate(-1deg);box-shadow:0 30px 40px -24px rgba(11,52,55,.45)}
.cert__img img{width:100%;height:100%;object-fit:contain}
.cert b{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:26px;line-height:1}
.cert span{color:var(--ink-3);font-size:14px;line-height:1.45}
@media (max-width:860px){.certs{grid-template-columns:1fr 1fr}}
.export{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(24px,4vw,64px);align-items:center}
.export__map{border-radius:var(--r);overflow:hidden;background:#EAF4F8}
.flags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
@media (max-width:860px){.export{grid-template-columns:1fr}}
.expo{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,28px)}
@media (max-width:860px){.expo{grid-template-columns:1fr}}

/* ---------- liên hệ ---------- */
.contact{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(28px,5vw,80px);align-items:start}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
.cinfo{display:grid;gap:12px}
.cinfo__i{display:flex;gap:16px;padding:20px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.cinfo__i svg{width:28px;height:28px;color:var(--brand-600);flex:none;margin-top:2px}
.cinfo__i b{display:block;font-family:var(--f-mono);font-weight:500;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:4px}
.cinfo__i a{font-weight:600}
.cinfo__i a:hover{color:var(--brand-600)}
.map{margin-top:clamp(48px,6vw,80px);border-radius:22px;overflow:hidden;aspect-ratio:21/8;background:var(--paper-2);position:relative}
.map iframe{width:100%;height:100%;border:0}
.map__ph{position:absolute;inset:0;display:grid;place-items:center;text-align:center;gap:10px}
@media (max-width:760px){.map{aspect-ratio:4/3.4}}

/* ---------- form ---------- */
.form{display:grid;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:clamp(20px,3vw,36px)}
.form h2,.form h3{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(30px,3vw,44px);line-height:.95;padding-top:.06em}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.form .two{grid-template-columns:1fr}}
.fld{display:grid;gap:6px}
.fld label{font-size:14px;font-weight:600}
.fld label i{color:var(--heat);font-style:normal}
.fld input,.fld select,.fld textarea{width:100%;min-height:50px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);padding:12px 14px;font-size:16px;transition:border-color .2s,background .2s}
.fld textarea{min-height:120px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--brand-600);background:#fff}
.fld .err{font-size:13px;color:#B3261E;display:none}
.fld.is-bad .err{display:block}
.fld.is-bad input,.fld.is-bad textarea{border-color:#B3261E}
.form__note{font-size:13px;color:var(--ink-3)}
.form__ok{display:none;text-align:center;padding:20px 0}
.form.is-done .form__body{display:none}
.form.is-done .form__ok{display:block}
.form__ok svg{width:56px;height:56px;margin:0 auto 12px;color:var(--brand-600)}

/* ---------- modal báo giá ---------- */
dialog.modal{border:0;padding:0;background:transparent;max-width:min(640px,calc(100% - 24px));width:100%;max-height:calc(100dvh - 24px);overflow:visible}
dialog.modal::backdrop{background:rgba(11,52,55,.6);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
dialog.modal[open]{animation:pop .45s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(24px) scale(.98)}}
.modal .form{max-height:calc(100dvh - 24px);overflow:auto;position:relative}
.modal__x{position:absolute;right:14px;top:14px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--paper-2)}
.modal__x svg{width:20px;height:20px}
.modal__prod{display:flex;gap:12px;align-items:center;padding:10px;border-radius:14px;background:var(--paper-2)}
.modal__prod img{width:56px;height:56px;border-radius:10px}
.modal__prod:empty{display:none}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:120;background:rgba(6,25,27,.92);display:grid;place-items:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.lb.is-open{opacity:1;visibility:visible}
.lb img{max-height:88vh;width:auto;border-radius:12px;background:#fff}
.lb button{position:absolute;right:20px;top:20px;color:#fff}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,140%);z-index:130;background:var(--deep);color:var(--cream);padding:14px 20px;border-radius:999px;font-weight:500;box-shadow:0 20px 40px -20px rgba(0,0,0,.5);transition:transform .45s var(--ease);max-width:calc(100% - 32px)}
.toast.is-on{transform:translate(-50%,0)}
@media (max-width:760px){.toast{bottom:90px}}

/* ---------- tuyển dụng ---------- */
.jobs{display:grid;gap:18px}
.job{border:1px solid var(--line);border-radius:22px;background:var(--card);overflow:hidden}
.job summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:clamp(20px,3vw,32px)}
.job summary::-webkit-details-marker{display:none}
.job h3{font-family:var(--f-display);font-weight:800;text-transform:uppercase;font-size:clamp(28px,3vw,46px);line-height:.95;padding-top:.06em}
.job .chips{margin-top:12px}
.job[open] .arrow-c{transform:rotate(90deg);background:var(--deep);color:var(--cream);border-color:var(--deep)}
.job__body{padding:0 clamp(20px,3vw,32px) clamp(20px,3vw,32px)}
.perks{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.6vw,22px)}
@media (max-width:1000px){.perks{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.perks{grid-template-columns:1fr}}

/* ---------- con trỏ ---------- */
.trail{position:fixed;left:0;top:0;pointer-events:none;z-index:150;width:14px;height:18px;margin:-9px 0 0 -7px;color:var(--brand);animation:drop 1.5s var(--ease) forwards}
.trail svg{width:100%;height:100%}
@keyframes drop{0%{opacity:.75;transform:var(--t) scale(.4)}25%{opacity:.6;transform:var(--t) scale(1)}100%{opacity:0;transform:var(--t) translateY(10px) scale(.7)}}
.cur-pill{position:fixed;left:0;top:0;z-index:151;pointer-events:none;background:var(--heat);color:#fff;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;padding:6px 10px;border-radius:999px;opacity:0;transform:translate(14px,14px) scale(.6);transition:opacity .2s,transform .25s var(--ease)}
.cur-pill.is-on{opacity:1;transform:translate(14px,14px) scale(1)}

/* ---------- 404 ---------- */
.nf{min-height:100svh;display:grid;place-items:center;text-align:center;background:var(--deep);color:var(--cream);padding:120px var(--gut) 60px}
.nf .display{font-size:clamp(120px,26vw,360px);color:var(--brand)}

/* ---------- giảm chuyển động ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
  .w{filter:none!important;opacity:1!important}
  .mask>img{transform:none!important;filter:none!important}
  .marq__track,.logos__track{animation:none!important}
}

/* ---------- dải banner dòng sản phẩm ---------- */
.bn-strip{display:grid;grid-auto-flow:column;grid-auto-columns:min(46%,640px);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scrollbar-width:thin;scrollbar-color:var(--brand) transparent}
.bn-card{scroll-snap-align:start;border-radius:var(--r);overflow:hidden;display:block;background:var(--deep);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.bn-card:hover{transform:translateY(-4px);box-shadow:0 24px 40px -24px rgba(11,52,55,.6)}
.bn-card img{width:100%;height:auto;aspect-ratio:16/7;object-fit:cover}
@media (max-width:760px){.bn-strip{grid-auto-columns:86%}}
.hero__word-wrap{position:relative;z-index:1;font-size:inherit}
.home .hdr:not(.is-solid) .btn--quote{box-shadow:none}

.notice .btn--ghost{color:var(--deep)!important;border-color:rgba(11,52,55,.22)!important}
.notice .btn--ghost:hover{border-color:var(--deep)!important}
.phero .lead{color:rgba(241,246,243,.8)}
.phero .eyebrow{color:rgba(241,246,243,.62)}
.pcard__act .btn--icon{flex:none;width:40px;min-height:40px}
@media (min-width:861px){.filters .wrap{flex-wrap:nowrap}.filters .pills{flex:1;min-width:0}.fsearch{flex:0 0 260px}}
@media (max-width:760px){
  .hero__stage{min-height:46vh}
  .hero__tag{font-size:19px;padding:0 var(--gut)}
  .hero__front .p1{left:2%;bottom:0;height:14vh}
  .hero__front .p4{right:2%;bottom:2%;height:9vh}
  .dock .d-fb{display:none}
  .dock{bottom:calc(84px + env(safe-area-inset-bottom,0px))}
}
.factory figure .mask>img{height:100%}
.hero__word{line-height:.82}
.stat__n{line-height:.9}
.dock{transition:opacity .35s,transform .45s var(--ease)}
.dock.is-off{opacity:0;transform:translateY(20px);pointer-events:none}
.filters{transition:top .45s var(--ease)}
.hdr-up .filters{top:0}
.hdr-up .pd__gal{top:20px}