/* ==========================================================================
   BFC - Redesign v3 · phong cách petrolimex.com.vn
   Trắng, bo góc 0, nav ẩn sau khối màu, hero campaign full-bleed,
   số liệu cỡ lớn, accordion lĩnh vực, khối dữ liệu tra cứu.
   ========================================================================== */
:root{
  /* bảng màu lấy từ bản A (ngôn ngữ BlueScope) */
  --blue:#0044B4;         /* nhấn chính */
  --blue-700:#00349A;
  --navy:#002E7C;         /* nền tối & tiêu đề */
  --navy-900:#001B4D;
  --navy-2:#0044B4;
  --cyan:#1ED2E6;         /* nhấn trên nền tối */
  --red:#C8102E;          /* nhấn 2 - trạng thái & điểm nóng */
  --red-d:#9E0C24;
  --cyan-ink:#0098B5;     /* nhãn nhỏ trên nền sáng */
  --ink:#10141C;
  --ink-2:#5B6575;
  --line:#E3E6EB;
  --grey:#F4F5F7;
  --white:#fff;

  --wrap:1280px;
  --pad:clamp(20px,4vw,40px);
  --gap:clamp(72px,8.5vw,128px);
  --ff:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
.ico{width:1em;height:1em;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--ff);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--navy);font-weight:700;line-height:1.18;letter-spacing:-.018em}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.band{padding-block:var(--gap)}

.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-ink);margin-bottom:18px;display:block}
.h-xl{font-size:clamp(30px,3.9vw,54px)}
.h-xl em,.h-lg em,h1 em,h2 em,h3 em{font-style:normal;color:var(--cyan-ink)}
.look h2 em,.look h3 em,.pj-hero h1 em{color:var(--cyan)}
.h-lg{font-size:clamp(25px,2.9vw,38px)}
.lead{font-size:17.5px;color:var(--ink-2);line-height:1.7;max-width:62ch}

.btn{display:inline-flex;align-items:center;gap:11px;padding:15px 30px;font-size:15px;font-weight:600;border:1px solid transparent;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease)}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--navy)}
.btn--line{border-color:var(--navy);color:var(--navy)}
.btn--line:hover{background:var(--navy);color:#fff}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn svg{transition:transform .22s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.more{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--navy);padding-bottom:5px;border-bottom:2px solid var(--red);transition:gap .22s var(--ease)}
.more:hover{gap:16px;color:var(--red)}

/* ============================ HEADER ============================ */
.hdr{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:stretch;height:76px}
.hdr-in .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:13px}
.logo img{height:46px}
.logo .lt{display:flex;flex-direction:column;padding-left:13px;border-left:1px solid var(--line);line-height:1}
.logo .lt .pre{font-size:9.5px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--red)}
.logo b{font-size:16.5px;font-weight:800;color:var(--navy);letter-spacing:.01em;line-height:1.15;text-transform:uppercase;white-space:nowrap;margin-top:4px}
.logo small{display:block;font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-2);font-weight:600;margin-top:5px;white-space:nowrap}
.hdr-tools{display:flex;align-items:center;gap:6px}
.hdr-tools button,.hdr-tools .lang{display:flex;align-items:center;gap:7px;padding:10px 12px;color:var(--navy);font-size:14px;font-weight:500}
.hdr-tools .sep{width:1px;height:22px;background:var(--line);margin-inline:6px}
.flag{width:20px;height:20px;border-radius:50%;background:var(--red);display:grid;place-items:center;color:#ffd84d;font-size:11px;line-height:1}
.menu-btn{width:76px;align-self:stretch;background:var(--blue);color:#fff;display:grid;place-items:center;flex:none;transition:background .22s var(--ease)}
.menu-btn:hover{background:var(--blue-700)}
.menu-btn i{display:block;width:22px;height:2px;background:#fff;position:relative}
.menu-btn i::before,.menu-btn i::after{content:"";position:absolute;left:0;width:22px;height:2px;background:#fff;transition:transform .25s var(--ease)}
.menu-btn i::before{top:-7px}.menu-btn i::after{top:7px}

/* hàng liên kết nhanh */
.quick{border-bottom:1px solid var(--line);background:#fff}
.quick .wrap{display:flex;gap:clamp(26px,3.6vw,48px);overflow-x:auto;scrollbar-width:none}
.quick .wrap::-webkit-scrollbar{display:none}
.quick a{white-space:nowrap;padding:15px 0;font-size:15.5px;font-weight:600;color:var(--navy);border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.quick a:hover{color:var(--blue);border-color:var(--blue)}

/* ============================ OVERLAY MENU ============================ */
.ovl{position:fixed;inset:0;z-index:95;background:var(--navy);visibility:hidden;opacity:0;transition:opacity .35s var(--ease),visibility .35s;overflow:auto}
.ovl.on{visibility:visible;opacity:1}
.ovl-top{display:flex;align-items:center;justify-content:space-between;height:76px;border-bottom:1px solid rgba(255,255,255,.16)}
.ovl-top .logo b{color:#fff}
.ovl-top .logo small{color:rgba(255,255,255,.55)}
.ovl-top .logo .lt{border-left-color:rgba(255,255,255,.2)}
.ovl-top .logo .lt .pre{color:var(--cyan)}
.ovl-close{width:76px;height:76px;background:var(--blue);color:#fff;display:grid;place-items:center;flex:none}
.ovl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding-block:clamp(32px,5vw,64px) 48px}
.ovl-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.16)}
.ovl-col:first-child{border-left:0;padding-left:0}
.ovl-col h4{color:var(--cyan);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px}
.ovl-col a{display:block;padding:9px 0;color:rgba(255,255,255,.82);font-size:16px;font-weight:500;border-bottom:1px solid transparent;transition:color .18s,padding-left .18s var(--ease)}
.ovl-col a:hover{color:#fff;padding-left:6px}
.ovl-foot{border-top:1px solid rgba(255,255,255,.16);padding-block:26px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;color:rgba(255,255,255,.6);font-size:14px}
.ovl-foot a{color:#fff;font-weight:600}

/* ============================ HERO ============================ */
.hero{position:relative;height:min(88vh,760px);min-height:480px;background:var(--navy);overflow:hidden}
.hs{position:absolute;inset:0;opacity:0;transition:opacity 1s var(--ease);pointer-events:none}
.hs.on{opacity:1;pointer-events:auto}
.hs > img{width:100%;height:118%;object-fit:cover;object-position:84% top}
.hs::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,18,32,.9) 0%,rgba(10,18,32,.66) 36%,rgba(10,18,32,.16) 72%,rgba(10,18,32,0) 100%),linear-gradient(180deg,rgba(10,18,32,.3) 0%,rgba(10,18,32,0) 42%,rgba(10,18,32,.6) 100%)}
.hs--brand{background:linear-gradient(125deg,var(--navy-900) 0%,var(--navy) 46%,var(--blue) 120%)}
.hs--brand::after{display:none}
.hs-in{position:absolute;inset:0;z-index:3;display:flex;align-items:flex-end;padding-bottom:clamp(64px,8vw,108px)}
.hs-in .wrap{width:100%}
.hs-copy{max-width:720px;opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease) .2s,transform .8s var(--ease) .2s}
.hs.on .hs-copy{opacity:1;transform:none}
.hs-tag{display:inline-block;background:var(--red);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:7px 14px;margin-bottom:20px}
.hs h1{color:#fff;font-size:clamp(30px,4.6vw,60px);line-height:1.1;letter-spacing:-.022em}
.hs p{color:rgba(255,255,255,.86);font-size:clamp(15.5px,1.3vw,18.5px);margin:18px 0 30px;max-width:56ch}
.hs-brand-in{position:absolute;inset:0;z-index:3;display:flex;align-items:center}
.hs-brand-in .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,72px);align-items:center;width:100%}
.hs-shot{background:#fff;padding:26px;justify-self:end;width:min(400px,100%)}
.hs-shot img{width:100%;aspect-ratio:1;object-fit:contain}
.hs-shot figcaption{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.hero-nav{position:absolute;left:0;right:0;bottom:34px;z-index:5}
.hero-nav .wrap{display:flex;gap:12px}
.hero-nav button{width:64px;height:3px;background:rgba(255,255,255,.4);transition:background .25s}
.hero-nav button[aria-selected="true"]{background:var(--red)}

/* ============================ STATEMENT + STATS ============================ */
.stmt-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px);align-items:start}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:clamp(44px,5vw,72px)}
.stat{padding:clamp(30px,3.4vw,46px) 30px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:clamp(42px,5.4vw,76px);font-weight:800;color:var(--navy);line-height:1;letter-spacing:-.035em}
.stat b i{font-style:normal;color:var(--red)}
.stat .u{display:block;margin-top:10px;font-size:15px;font-weight:600;color:var(--navy)}
.stat .d{display:block;margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.55}

/* ============================ ACCORDION ============================ */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-head{display:grid;grid-template-columns:64px 1fr 34px;gap:20px;align-items:center;width:100%;text-align:left;padding:26px 0;transition:color .2s}
.acc-head .n{font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.06em}
.acc-head .t{font-size:clamp(19px,2.2vw,28px);font-weight:700;color:var(--navy);letter-spacing:-.018em}
.acc-head .p{width:34px;height:34px;border:1px solid var(--line);display:grid;place-items:center;color:var(--navy);transition:background .22s,border-color .22s,color .22s,transform .3s var(--ease)}
.acc-item.open .acc-head .n{color:var(--red)}
.acc-item.open .acc-head .t{color:var(--blue)}
.acc-item.open .acc-head .p{background:var(--red);border-color:var(--red);color:#fff;transform:rotate(45deg)}
.acc-body{display:none;padding:0 0 34px 84px}
.acc-item.open .acc-body{display:block;animation:fadeup .4s var(--ease)}
@keyframes fadeup{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.acc-body p{margin:0 0 18px;color:var(--ink-2);max-width:74ch}
.acc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.acc-tags span{background:var(--grey);padding:7px 13px;font-size:13.5px;color:var(--navy);font-weight:500}

/* ============================ KHỐI TRA CỨU ============================ */
.look{background:var(--navy);color:#fff}
.look-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(34px,5vw,76px);align-items:center}
.look h2{color:#fff}
.look .lead{color:rgba(255,255,255,.75)}
.look-box{background:#fff;color:var(--ink);padding:clamp(26px,3vw,38px)}
.look-box label{display:block;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin-bottom:9px}
.look-box select{width:100%;border:1px solid var(--line);padding:14px 14px;font:inherit;font-size:16px;color:var(--navy);background:#fff;transition:border-color .2s}
.look-box select:focus{outline:0;border-color:var(--blue)}
.look-out{margin-top:24px;border-top:1px solid var(--line);padding-top:22px;display:grid;gap:14px}
.look-out .row{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:baseline}
.look-out .k{font-size:12px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2)}
.look-out .v{font-size:17px;font-weight:700;color:var(--navy)}
.look-out .v.code{font-variant-numeric:tabular-nums;letter-spacing:.01em}
.look-note{margin-top:20px;font-size:12.5px;color:var(--ink-2);line-height:1.65}

/* ============================ SẢN PHẨM ============================ */
.pcards{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.pcard{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;transition:border-color .22s,box-shadow .22s,transform .22s var(--ease)}
.pcard:hover{border-color:var(--blue);transform:translateY(-4px);box-shadow:0 16px 32px rgba(18,33,58,.09)}
.pcard .im{aspect-ratio:1;position:relative;overflow:hidden;background:#fff}
.pcard .im img{width:100%;height:100%;object-fit:contain;padding:12px;transition:transform .5s var(--ease)}
.pcard:hover .im img{transform:scale(1.05)}
.pcard .tag{position:absolute;top:0;left:0;background:var(--navy);color:#fff;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:6px 10px}
.pcard:hover .tag{background:var(--blue)}
.pcard .bd{padding:17px 17px 19px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:9px;flex:1}
.pcard h3{font-size:15px;line-height:1.38}
.pcard .sp{font-size:13px;color:var(--ink-2)}
.pcard .ft{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:13.5px;font-weight:600;color:var(--navy);padding-top:8px}
.pcard:hover .ft{color:var(--blue)}

/* ============================ TIN TỨC ============================ */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(22px,2.6vw,34px)}
.ncard{display:block}
.ncard .im{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--grey);border:1px solid var(--line)}
.ncard .im img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.ncard:hover .im img{transform:scale(1.05)}
.ncard .im--pad img{object-fit:contain;padding:22px;background:#fff}
.ncard .dt{display:block;margin:18px 0 10px;font-size:13px;color:var(--ink-2);font-weight:500}
.ncard .dt em{font-style:normal;color:var(--cyan-ink);font-weight:600}
.ncard h3{font-size:19px;transition:color .2s}
.ncard:hover h3{color:var(--blue)}
.ncard p{margin:10px 0 0;color:var(--ink-2);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ============================ ĐỐI TÁC ============================ */
.pt{display:flex;align-items:center;gap:clamp(30px,5vw,64px);flex-wrap:wrap}
.pt img{height:44px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.55;transition:filter .28s,opacity .28s}
.pt img:hover{filter:none;opacity:1}

/* ============================ CTA + FORM ============================ */
.cta{background:var(--grey)}
.cta-grid{display:grid;grid-template-columns:1fr 470px;gap:clamp(34px,5vw,72px);align-items:start}
.cta-lines{margin-top:32px;border-top:1px solid var(--line)}
.cta-lines a{display:grid;grid-template-columns:150px 1fr 24px;gap:18px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);transition:padding-left .22s var(--ease)}
.cta-lines a:hover{padding-left:8px}
.cta-lines .k{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.cta-lines .v{font-size:16.5px;font-weight:700;color:var(--navy);overflow-wrap:anywhere}
.cta-lines a:hover .v{color:var(--blue)}
.cta-lines .v small{display:block;margin-top:3px;font-size:12.5px;font-weight:500;color:var(--ink-2)}
/* quy trình cung ứng */
.flow{background:#fff}
.flw{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--navy)}
.flw li{padding:28px 26px 30px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:12px;position:relative}
.flw li:first-child{padding-left:0}
.flw li:last-child{border-right:0}
.flw .n{font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--red)}
.flw .ico{width:36px;height:36px;color:var(--navy);stroke-width:1.3}
.flw h3{font-size:19px}
.flw p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.6}
@media (max-width:900px){ .flw{grid-template-columns:1fr 1fr} .flw li:nth-child(2){border-right:0} .flw li:nth-child(3){padding-left:0} .flw li:nth-child(n+3){border-top:1px solid var(--line)} }
@media (max-width:560px){ .flw{grid-template-columns:1fr} .flw li{padding-left:0;border-right:0} .flw li+li{border-top:1px solid var(--line)} }
.cta-lines .ar{text-align:right;color:var(--ink-2)}
.frm{background:#fff;border:1px solid var(--line);padding:clamp(26px,3vw,38px)}
.frm h3{font-size:22px}
.frm > p{margin:8px 0 24px;font-size:14px;color:var(--ink-2)}
.f{margin-bottom:16px}
.f label{display:block;font-size:12px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2);margin-bottom:8px}
.f input,.f select,.f textarea{width:100%;border:1px solid var(--line);padding:13px 14px;font:inherit;font-size:15px;color:var(--ink);background:#fff;transition:border-color .2s}
.f input:focus,.f select:focus,.f textarea:focus{outline:0;border-color:var(--blue)}
.f textarea{min-height:86px;resize:vertical}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fnote{margin:14px 0 0;font-size:12.5px;color:var(--ink-2);line-height:1.6}

/* ============================ FOOTER ============================ */
.site-ft{background:var(--navy);color:rgba(255,255,255,.75)}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:clamp(28px,4vw,56px);padding-block:clamp(48px,6vw,76px) 46px}
.site-ft h4{color:var(--cyan);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px}
.site-ft li+li{margin-top:11px}
.site-ft a{color:rgba(255,255,255,.75);font-size:14.5px}
.site-ft a:hover{color:var(--cyan)}
.ft-brand b{display:block;color:#fff;font-size:21px;font-weight:800;letter-spacing:.01em}
.ft-brand .ft-en{display:block;margin-top:6px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.6);font-weight:600}
.ft-brand .chip{background:#fff;padding:10px 14px;display:inline-flex;margin-bottom:20px}
.ft-brand .chip img{height:44px}
.ft-addr{display:grid;gap:16px;margin-top:22px;max-width:44ch;font-size:14.5px;line-height:1.6}
.ft-addr span{display:block;color:rgba(255,255,255,.5);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:5px}
.ft-soc{display:flex;gap:10px;margin-top:24px}
.ft-soc a{width:40px;height:40px;border:1px solid rgba(255,255,255,.26);display:grid;place-items:center;transition:background .2s,border-color .2s,color .2s}
.ft-soc a:hover{background:var(--cyan);border-color:var(--cyan);color:var(--navy)}
.ft-legal{border-top:1px solid rgba(255,255,255,.16);padding-block:26px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.8}
.ft-legal b{color:rgba(255,255,255,.8);font-weight:600}
.ft-bot{border-top:1px solid rgba(255,255,255,.16);padding-block:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.ft-bot ul{display:flex;gap:22px;flex-wrap:wrap}
.ft-bot a{font-size:13px;color:rgba(255,255,255,.5)}

/* rail */
.rail{position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:9px;justify-items:end}
.rail a,.rail button{width:48px;height:48px;display:grid;place-items:center;background:var(--navy);color:#fff;transition:background .2s,transform .2s var(--ease)}
.rail a:hover,.rail button:hover{background:var(--blue);transform:translateY(-2px)}
.rail .zl{font-size:11px;font-weight:700;letter-spacing:.04em}
.rail .call{background:var(--red)}
.rail .call:hover{background:var(--red-d)}
.rail .up{background:#fff;color:var(--navy);border:1px solid var(--line);opacity:0;pointer-events:none;transition:opacity .25s,background .2s}
.rail .up.on{opacity:1;pointer-events:auto}

/* dải sóng chéo trên khối xanh (đặc trưng bản A) */
.waves{position:absolute;inset:0;z-index:0;pointer-events:none}
.waves svg{width:100%;height:100%;display:block}
.look,.site-ft{position:relative;overflow:hidden;isolation:isolate}
.look > .wrap,.site-ft > .wrap{position:relative;z-index:1}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .65s var(--ease),transform .65s var(--ease)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ============================ RESPONSIVE ============================ */
@media (max-width:1100px){
  .pcards{grid-template-columns:repeat(3,1fr)}
  .cta-grid{grid-template-columns:1fr}
  .ovl-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .ovl-col:nth-child(3){border-left:0;padding-left:0}
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .stmt-grid{grid-template-columns:1fr;gap:26px}
  .look-grid{grid-template-columns:1fr}
  .hs-brand-in .wrap{grid-template-columns:1fr}
  .hs-shot{justify-self:start;width:min(300px,100%)}
  .news{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr;border-top:0}
  .stat{border-left:0;border-top:1px solid var(--line);padding-inline:0}
  .acc-body{padding-left:0}
  .hdr-tools .lang span{display:none}
}
@media (max-width:660px){
  .pcards{grid-template-columns:repeat(2,1fr)}
  .news{grid-template-columns:1fr}
  .f2{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr}
  .ovl-grid{grid-template-columns:1fr}
  .ovl-col{border-left:0;padding-left:0}
  .acc-head{grid-template-columns:40px 1fr 30px;gap:14px}
  .look-out .row{grid-template-columns:1fr;gap:3px}
  .cta-lines a{grid-template-columns:1fr auto;gap:5px 14px}
  .cta-lines .k{grid-column:1/-1}
  .hdr-in{height:64px}
  .menu-btn{width:64px}
  .logo img{height:38px}
  .logo{gap:10px}
  .logo .lt{padding-left:10px}
  .logo .lt .pre{display:none}
  .logo b{font-size:12.5px;margin-top:0}
  .logo small{font-size:8px;letter-spacing:.08em;margin-top:4px}
  .quick a{font-size:14.5px}
}
@media (max-width:520px){ .hdr-tools{display:none} }
@media (max-width:400px){ .pcards{grid-template-columns:1fr} }

/* ---- chứng nhận & QC ---- */
.crt{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.crt article{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 26px;display:flex;flex-direction:column;gap:10px;min-height:196px;transition:background .22s var(--ease)}
.crt article:hover{background:var(--grey)}
.crt .ico{width:30px;height:30px;color:var(--navy);stroke-width:1.4}
.crt article:hover .ico{color:var(--blue)}
.crt .sc{font-size:11px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--cyan-ink)}
.crt h3{font-size:18px;line-height:1.25}
.crt p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.5}
.crt .cd{margin-top:auto;padding-top:10px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-2);font-weight:600}
.qcw{display:grid;grid-template-columns:1fr 340px;gap:clamp(30px,4vw,64px);margin-top:clamp(40px,5vw,68px);align-items:start}
.qcf{border-top:1px solid var(--navy)}
.qcf div{display:grid;grid-template-columns:54px 215px 1fr;gap:20px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);transition:background .2s,padding-left .22s var(--ease)}
.qcf div:hover{background:var(--grey);padding-left:8px}
.qcf .n{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--ink-2)}
.qcf div:hover .n{color:var(--cyan-ink)}
.qcf .t{font-weight:700;font-size:15.5px;color:var(--navy);line-height:1.3}
.qcf .d{font-size:14px;color:var(--ink-2);line-height:1.5}
.qcs{background:var(--grey);padding:28px 26px}
.qcs h3{font-size:18px;margin-bottom:15px}
.qcs li{font-size:14px;color:var(--ink-2);padding:8px 0 8px 15px;border-bottom:1px solid var(--line);position:relative}
.qcs li::before{content:"";position:absolute;left:0;top:16px;width:7px;height:2px;background:var(--cyan-ink)}
.qcs li:last-child{border-bottom:0}
.qcs .nt{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);line-height:1.6}
/* ---- lưới dự án ---- */
.prj{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,30px)}
.prj a{display:block;border:1px solid var(--line);background:#fff;transition:border-color .22s,box-shadow .22s,transform .22s var(--ease)}
.prj a:hover{border-color:var(--blue);transform:translateY(-4px);box-shadow:0 16px 32px rgba(18,33,58,.09)}
.prj .im{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--grey);border-bottom:1px solid var(--line)}
.prj .im img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.prj a:hover .im img{transform:scale(1.05)}
.prj .bd{display:block;padding:20px 20px 22px}
.prj .cd{display:block;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan-ink);margin-bottom:9px}
.prj h3{font-size:19px;line-height:1.28;margin-bottom:8px}
.prj p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.55}
.prj .mt{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.prj .mt span{font-size:11.5px;color:var(--ink-2);background:var(--grey);padding:4px 9px}
@media (max-width:1100px){ .crt{grid-template-columns:repeat(2,1fr)} .prj{grid-template-columns:repeat(2,1fr)} .qcw{grid-template-columns:1fr} }
@media (max-width:660px){ .crt,.prj{grid-template-columns:1fr} .qcf div{grid-template-columns:44px 1fr;gap:10px} .qcf .d{grid-column:2} }

/* ---- 4 ngành hàng ---- */
.pil{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.pil a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 30px 30px;display:flex;flex-direction:column;gap:13px;position:relative;transition:background .24s var(--ease)}
.pil a::before{content:"";position:absolute;left:0;right:0;top:-1px;height:3px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.pil a:hover{background:var(--grey)}
.pil a:hover::before{transform:scaleX(1)}
.pil .n{font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--cyan-ink)}
.pil .ico{width:44px;height:44px;color:var(--navy);stroke-width:1.3;transition:color .22s,transform .25s var(--ease)}
.pil a:hover .ico{color:var(--blue);transform:translateY(-2px)}
.pil h3{font-size:21px}
.pil p{margin:0;font-size:14.5px;color:var(--ink-2)}
.pil ul{margin-top:4px;display:grid;gap:6px}
.pil li{font-size:13.5px;color:var(--ink-2);padding-left:14px;position:relative}
.pil li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:1.5px;background:var(--cyan-ink)}
.pil .go{margin-top:auto;padding-top:16px;font-size:13.5px;font-weight:600;color:var(--navy);display:inline-flex;align-items:center;gap:8px}
.pil a:hover .go{color:var(--blue)}
.pil .go .ico{width:14px;height:14px;stroke-width:2.4;color:inherit}
.pil a:hover .go .ico{transform:none}
/* icon trong đầu accordion */
.acc-head{grid-template-columns:56px 44px 1fr 34px}
.acc-head .hico{width:30px;height:30px;color:var(--navy);stroke-width:1.4;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round}
.acc-item.open .acc-head .hico{color:var(--red)}
/* thẻ thương hiệu */
.bz2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,2.4vw,30px)}
.bz2 article{border:1px solid var(--line);display:grid;grid-template-columns:240px 1fr;transition:border-color .22s,box-shadow .22s}
.bz2 article:hover{border-color:var(--blue);box-shadow:0 16px 32px rgba(18,33,58,.08)}
.bz2 .im{background:var(--grey);display:grid;place-items:center;padding:22px}
.bz2 .im img{max-height:200px;width:auto;object-fit:contain}
.bz2 .bd{padding:28px 26px 26px;display:flex;flex-direction:column;gap:11px}
.bz2 .kick{font-size:11.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--blue)}
.bz2 h3{font-size:23px}
.bz2 p{margin:0;font-size:14.5px;color:var(--ink-2)}
.bz2 .portal{font-size:12.5px;color:var(--ink-2)}
.bz2 .more{margin-top:auto;align-self:start}
@media (max-width:1100px){ .pil{grid-template-columns:repeat(2,1fr)} .bz2{grid-template-columns:1fr} }
@media (max-width:700px){ .pil{grid-template-columns:1fr} .bz2 article{grid-template-columns:1fr} .acc-head{grid-template-columns:38px 1fr 30px} .acc-head .hico{display:none} }
@media (min-width:1700px){ :root{--wrap:1400px} }

/* ============================ TRANG DỰ ÁN ============================ */
.g4{grid-template-columns:repeat(4,1fr)!important}
@media (max-width:1100px){ .g4{grid-template-columns:repeat(2,1fr)!important} }
@media (max-width:640px){ .g4{grid-template-columns:1fr!important} }
.pj-hero{position:relative;background:var(--navy);overflow:hidden;min-height:min(74vh,620px);display:flex;align-items:flex-end}
.pj-hero > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(1.1) contrast(1.06)}
.pj-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,18,32,.92) 0%,rgba(10,18,32,.7) 42%,rgba(10,18,32,.2) 78%,rgba(10,18,32,.05) 100%),linear-gradient(180deg,rgba(10,18,32,.3) 0%,rgba(10,18,32,0) 45%,rgba(10,18,32,.6) 100%)}
.pj-hero .wrap{position:relative;z-index:2;width:100%;padding-block:clamp(48px,6vw,90px)}
.crumb{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a:hover{color:var(--blue)}
.pj-hero h1{color:#fff;font-size:clamp(30px,4.2vw,56px);line-height:1.08;letter-spacing:-.022em;max-width:20ch}
.pj-hero p{color:rgba(255,255,255,.86);font-size:17px;margin:18px 0 0;max-width:54ch}
.pj-tag{display:inline-block;background:var(--blue);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:7px 14px;margin-bottom:18px}
.pj-facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.pj-facts div{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 24px 22px}
.pj-facts dt{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan-ink);font-weight:700;margin-bottom:8px}
.pj-facts dd{margin:0;font-size:16px;color:var(--navy);font-weight:600;line-height:1.45}
.pj-tbl{width:100%;border-top:1px solid var(--navy)}
.pj-tbl th,.pj-tbl td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top;font-size:15px}
.pj-tbl th{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);font-weight:700}
.pj-tbl th:first-child,.pj-tbl td:first-child{padding-left:0}
.pj-tbl tbody tr:hover{background:var(--grey)}
.pj-tbl .hm{font-weight:700;color:var(--navy);white-space:nowrap}
.pj-tbl .code{color:var(--ink-2);font-size:14px}
.pj-tbl .nh{display:inline-block;font-size:11.5px;font-weight:700;color:var(--cyan-ink);border:1px solid var(--line);padding:3px 8px;white-space:nowrap}
.pj-gal{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,2.4vw,30px)}
.pj-gal figure{margin:0}
.pj-gal img{width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line)}
.pj-gal figcaption{margin-top:12px;font-size:14px;color:var(--ink-2)}
@media (max-width:980px){ .pj-facts{grid-template-columns:1fr 1fr} .pj-gal{grid-template-columns:1fr} }
@media (max-width:640px){ .pj-facts{grid-template-columns:1fr} }

/* ============================ WORDPRESS ============================ */
.admin-bar .hdr{top:32px}
@media (max-width:782px){ .admin-bar .hdr{top:46px} }
@media (max-width:600px){ .admin-bar .hdr{top:0} }
.hdr-tools > a:not(.lang){display:flex;align-items:center;padding:10px 12px;color:var(--navy)}
.quick a[aria-current]{color:var(--blue);border-color:var(--blue)}
/* đầu trang con */
.pg-head{background:var(--grey);border-bottom:1px solid var(--line);padding-block:clamp(44px,5.5vw,84px) clamp(36px,4vw,60px)}
.pg-head .crumb{color:var(--ink-2)}
.pg-head .crumb a:hover{color:var(--blue)}
.pg-head .h-xl{max-width:22ch}
/* phân trang */
.pager{display:flex;gap:8px;flex-wrap:wrap;margin-top:clamp(36px,4vw,56px)}
.pager .page-numbers{min-width:44px;height:44px;padding-inline:12px;display:grid;place-items:center;border:1px solid var(--line);font-weight:600;color:var(--navy);background:#fff}
.pager .page-numbers.current,.pager a.page-numbers:hover{background:var(--navy);border-color:var(--navy);color:#fff}
/* tìm kiếm */
.srch{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:clamp(30px,3.6vw,48px)}
.srch input{flex:1 1 280px;font:inherit;font-size:15px;padding:14px 16px;border:1px solid var(--line);background:#fff}
.srch input:focus{outline:2px solid var(--blue);outline-offset:-1px}
/* nội dung bài viết / trang */
.prose{max-width:760px;font-size:17px;line-height:1.75;color:var(--ink)}
.prose--wide{max-width:960px}
.prose > *:first-child{margin-top:0}
.prose h2{font-size:clamp(22px,2.3vw,28px);margin:1.8em 0 .6em}
.prose h3{font-size:20px;margin:1.6em 0 .5em}
.prose p,.prose ul,.prose ol{margin:0 0 1.1em}
.prose ul,.prose ol{padding-left:1.3em}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.prose img{height:auto}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:14px;color:var(--ink-2);margin-top:8px}
.prose table{width:100%;border-collapse:collapse;font-size:15px}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left}
.prose-cover{margin:0 0 2em!important}
.prose-cover img{width:100%;max-height:480px;object-fit:contain;background:var(--grey);border:1px solid var(--line)}
/* form liên hệ */
.frm .hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.fmsg{padding:12px 14px;font-size:14px;line-height:1.55;margin:0 0 16px!important}
.fmsg--ok{background:#E8F6EE;color:#0B6B3A;border-left:3px solid #0B6B3A}
.fmsg--err{background:#FDECEE;color:var(--red-d);border-left:3px solid var(--red)}