@font-face{font-family:"Montserrat";font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/fonts/montserrat-vietnamese-wght-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Montserrat";font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/fonts/montserrat-latin-wght-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Montserrat";font-style:italic;font-weight:100 900;font-display:swap;src:url(/assets/fonts/montserrat-vietnamese-wght-italic.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Montserrat";font-style:italic;font-weight:100 900;font-display:swap;src:url(/assets/fonts/montserrat-latin-wght-italic.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
[hidden]{display:none!important}
:root{
  --navy:#091933;--navy-2:#0F2448;--ink:#0A1428;--ink-2:#2B3A4E;--muted:#5E6A7A;--bg:#FFFFFF;--row:#ECF2F2;--row-2:#F6F9F9;--line:#D3DCDF;
  --green:#15803D;--green-hi:#44D882;--teal:#1D6B66;--red:#C8102E;--pill:#1A1A1A;--focus:#2F6FEB;
  --display:"Montserrat",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --text:"Montserrat",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ink:#E8EEF5;--ink-2:#C2CDD9;--muted:#93A1B2;--bg:#07111F;--row:#10213A;--row-2:#0C1A2F;--line:#22364F;--green:#44D882;--teal:#5CC3BC;--pill:#E8EEF5}}
:root[data-theme="dark"]{--ink:#E8EEF5;--ink-2:#C2CDD9;--muted:#93A1B2;--bg:#07111F;--row:#10213A;--row-2:#0C1A2F;--line:#22364F;--green:#44D882;--teal:#5CC3BC;--pill:#E8EEF5}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15.5px/1.65 var(--text);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{max-width:1240px;margin:0 auto;padding:0 28px}
h1,h2,h3,h4{font-family:var(--display);margin:0;line-height:1.15}
.up{text-transform:uppercase;letter-spacing:.01em}
p{margin:0}
.lead{font-size:1.05rem;color:var(--ink-2);max-width:62ch}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}
.price{color:var(--green);font-weight:700;font-family:var(--display)}
.price small{font-size:.55em;font-weight:700;margin-left:4px}
.pill{display:inline-block;background:var(--pill);color:var(--bg);font:600 .74rem/1 var(--display);text-transform:uppercase;padding:7px 14px;letter-spacing:.03em}
.note{font-style:italic;color:var(--green);font-size:.9rem}
.sec{padding:88px 0}
.sec-row{background:var(--row-2)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2,.h2{font-size:clamp(1.6rem,2.8vw,2.3rem);font-weight:800;text-transform:uppercase}
.sec-head .kick{font-size:.95rem;font-weight:500;color:var(--muted);margin-bottom:6px;text-transform:uppercase}
.link{font-weight:600;text-decoration:underline;text-underline-offset:4px}
.btn{font:700 .86rem/1 var(--display);text-transform:uppercase;letter-spacing:.03em;border:1.5px solid transparent;border-radius:0;padding:15px 22px;cursor:pointer;text-decoration:none;display:inline-flex;gap:8px;align-items:center;justify-content:center;background:none;color:inherit}
.btn-solid{background:var(--navy);color:#fff}
.btn-solid:hover{background:var(--navy-2)}
.btn-green{background:var(--green);color:#fff}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-light{background:#fff;color:var(--navy)}
.btn-ghost-light{border-color:rgba(255,255,255,.6);color:#fff}
.btn-sm{padding:11px 14px;font-size:.78rem}

/* header */
.hdr{position:sticky;top:0;z-index:40;background:var(--navy);color:#fff}
.hdr .wrap{display:flex;align-items:center;gap:34px;height:74px}
.logo img{height:24px;width:auto}

.nav{display:flex;gap:22px;white-space:nowrap;font:600 .82rem var(--display);text-transform:uppercase;letter-spacing:.03em}
.nav a{text-decoration:none;color:#B9C6D8;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a.on{color:#fff;border-bottom-color:var(--green-hi)}
.hdr-r{margin-left:auto;display:flex;gap:10px;align-items:center}
.hdr-r .tel{font:700 .95rem var(--display);text-decoration:none;margin-right:8px;white-space:nowrap;color:#fff}
.hdr .btn-line{border-color:rgba(255,255,255,.5);color:#fff}
.hdr .btn-solid{background:var(--green);color:#fff}
.cartb{position:relative;white-space:nowrap}
.cartb .n{position:absolute;top:-8px;right:-8px;background:var(--green-hi);color:#062;font-size:.7rem;border-radius:999px;min-width:20px;height:20px;display:grid;place-items:center;padding:0 5px}
.burger{display:none}
@media (max-width:1280px){.hdr-r .tel{display:none}}
@media (max-width:1100px){.nav,.hdr-r .bk{display:none}.burger{display:inline-flex}}
.hdr-r .btn{white-space:nowrap}
@media (max-width:480px){.logo img{height:18px}.hdr .wrap{gap:12px;padding:0 16px}.hdr-r .btn-sm{padding:10px 11px}}
.mnav{display:none;background:var(--navy);padding:8px 28px 20px}
.mnav.open{display:grid}
.mnav a{text-decoration:none;padding:12px 0;font:600 .9rem var(--display);text-transform:uppercase;color:#D5DEEA;border-bottom:1px solid #1C3257}

/* board band — tái hiện header của bảng báo giá */
.band-hd{background:linear-gradient(90deg,var(--navy) 0%,var(--navy) 55%,#0B1D3B 100%);color:#fff;position:relative;overflow:hidden}
.band-hd .wrap{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:24px;min-height:340px}
.band-hd .k{font:600 clamp(1rem,1.7vw,1.45rem)/1.25 var(--display);text-transform:uppercase;letter-spacing:.01em;color:#E6ECF4}
.band-hd h1{font:800 clamp(2rem,4.2vw,3.5rem)/1.05 var(--display);text-transform:uppercase;margin:10px 0 18px}
.band-hd .ap{font-style:italic;color:#C3CFDD;letter-spacing:.04em;font-size:.98rem}
.band-hd .pic{align-self:stretch;position:relative;margin-right:-28px}
.band-hd .pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:right center}
.band-hd .pic::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,var(--navy) 0%,rgba(9,25,51,0) 22%)}
.band-hd .logo-w{height:24px;width:auto;margin-bottom:26px}
@media (max-width:860px){.band-hd .wrap{grid-template-columns:1fr;padding-top:36px}.band-hd .pic{min-height:220px;margin:0 -28px}}

/* hero trang chủ: arch */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:end;min-height:min(84vh,760px);padding-top:60px}
.hero .txt{padding-bottom:72px}
.hero .k{font:600 clamp(1rem,1.6vw,1.35rem) var(--display);text-transform:uppercase;color:#DCE4EE}
.hero h1{font:800 clamp(2.4rem,5vw,4.3rem)/1.03 var(--display);text-transform:uppercase;margin:12px 0 20px}
.hero .ap{font-style:italic;color:#C3CFDD;letter-spacing:.03em}
.hero .cta{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.arch{position:relative;height:100%;min-height:520px;align-self:stretch}
.arch .door{position:absolute;left:6%;right:-40px;top:28px;bottom:0;border-radius:520px 520px 0 0;overflow:hidden;box-shadow:inset 0 0 0 10px rgba(255,255,255,.08)}
.arch .door img{width:100%;height:100%;object-fit:cover;object-position:40% 60%}
.arch .rim{position:absolute;left:calc(6% - 16px);right:-56px;top:12px;bottom:0;border-radius:540px 540px 0 0;border:14px solid rgba(236,242,242,.9);border-bottom:0;clip-path:inset(0 60% 55% 0)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;min-height:0}.hero .txt{padding-bottom:0}.arch{min-height:360px}.arch .door{left:0;right:0}.arch .rim{display:none}}

/* icon row như chân bảng giá */
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;padding:36px 0}
.feat svg{width:44px;height:44px;stroke:var(--ink);fill:none;stroke-width:1.4;margin:0 auto 10px}
.feat b{display:block;font:700 .78rem/1.35 var(--display);text-transform:uppercase}
.feat span{display:block;font-size:.85rem;color:var(--muted);margin-top:4px}
@media (max-width:640px){.feat{grid-template-columns:1fr 1fr}}

/* thẻ board (phụ kiện & dự án) */
.boards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(270px,100%),1fr));gap:22px}
.pj-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.chip{font:600 .78rem var(--display);text-transform:uppercase;border:1.5px solid var(--line);background:var(--bg);color:var(--ink-2);padding:10px 14px;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}

/* bảng báo giá */
.qt-wrap{background:var(--bg);box-shadow:0 18px 40px rgba(9,25,51,.12);margin-top:-44px;position:relative;z-index:2;padding:22px}
.qt{width:100%;border-collapse:collapse;font-size:.95rem}
.tbl{overflow-x:auto}
.qt th{background:var(--row);font:700 .92rem var(--display);text-transform:uppercase;padding:16px 12px;text-align:center;border-right:1px solid var(--line)}
.qt th small{display:block;font-weight:500;font-size:.7rem;text-transform:none}
.qt td{padding:12px;text-align:center;border-right:1px solid var(--line);border-top:1px solid #fff;background:var(--row-2)}
.qt tr.grp-start td{border-top:1.5px solid var(--line)}
.qt td.sp{color:var(--teal);font-weight:500}
.qt td.tier{position:relative;padding:22px 16px;background:var(--row-2);min-width:210px}
.qt td.tier h3{font:800 1.3rem var(--display);text-transform:uppercase}
.qt td.tier .price{font-size:1.6rem;display:block;margin:10px 0 12px}
.qt td:last-child,.qt th:last-child{border-right:0}
.best{position:absolute;left:10px;top:0;background:var(--red);color:#fff;font:800 .55rem/1.05 var(--display);padding:6px 5px 9px;text-align:center;clip-path:polygon(0 0,100% 0,100% 100%,50% 82%,0 100%)}
.qt-foot{display:grid;grid-template-columns:1.1fr 1.2fr auto;gap:28px;align-items:center;padding:26px 4px 6px;border-top:0}
.qt-foot .legend{border-left:1px solid var(--line);padding-left:26px;font-size:.8rem;font-style:italic;color:var(--ink-2)}
.qt-foot .legend b{font-style:normal;display:block;margin:6px 0 2px}
.qt-foot .legend ul{margin:0;padding-left:16px}
.qr{display:flex;gap:12px;align-items:center;font:600 .7rem/1.4 var(--display);text-transform:uppercase}
.qr svg{width:76px;height:76px}
@media (max-width:900px){.qt-foot{grid-template-columns:1fr}.qt-foot .legend{border-left:0;padding-left:0}}
.gtabs{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0 0}
.qt td.pp{font:700 1.1rem var(--display);color:var(--green);white-space:nowrap;text-align:right}
.qt td.left,.qt th.left{text-align:left}
.qt td.code{font:800 1rem var(--display);text-align:left}
.qt td.spec{text-align:left;font-size:.85rem;color:var(--ink-2)}
.addp{background:none;border:0;cursor:pointer;font:inherit;color:inherit;padding:0}
.addp:hover{text-decoration:underline}

/* capability / steps / showroom */
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.cap-grid img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cap-list{margin:28px 0 0;border-top:1px solid var(--line)}
.cap-list div{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
.cap-list dt{font:700 .85rem var(--display);text-transform:uppercase}
.cap-list dd{margin:0;color:var(--ink-2)}
@media (max-width:900px){.cap-grid{grid-template-columns:1fr;gap:32px}.cap-list div{grid-template-columns:1fr;gap:4px}}
.night{background:var(--navy);color:#fff}
.night .lead{color:#B9C6D8}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;padding:0;margin:0;counter-reset:s;border-top:1px solid #2A4169}
.steps li{list-style:none;padding:24px 20px 0 0;counter-increment:s}
.steps li::before{content:counter(s,decimal-leading-zero);font:800 2.2rem var(--display);color:var(--green-hi);display:block;margin-bottom:8px}
.steps b{display:block;font:700 .9rem var(--display);text-transform:uppercase;margin-bottom:6px}
.steps span{color:#B9C6D8;font-size:.92rem}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:24px}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.addr{width:100%;border-collapse:collapse;font-size:.9rem}
.addr th{font:800 .8rem var(--display);text-transform:uppercase;text-align:left;padding:0 0 10px}
.addr td{padding:7px 18px 7px 0;vertical-align:top;border-top:1px solid var(--line)}
.addr td:last-child{white-space:nowrap}
.addr td:first-child{font:700 .8rem var(--display);text-transform:uppercase;white-space:nowrap}
.addr a{text-decoration:none;font-weight:600}
.cta-band{background:var(--navy);color:#fff;padding:52px;display:grid;grid-template-columns:1.3fr auto;gap:32px;align-items:center}
.cta-band h2{font:800 clamp(1.5rem,2.6vw,2.1rem) var(--display);text-transform:uppercase}
.cta-band p{color:#B9C6D8;margin-top:10px}
@media (max-width:760px){.cta-band{grid-template-columns:1fr;padding:32px}}

/* page head (band nhỏ) */
.phead{background:var(--navy);color:#fff;padding:52px 0 60px}
.phead .crumb{font-size:.82rem;color:#9FB0C6;margin-bottom:14px;text-transform:uppercase;font-weight:600}
.phead .crumb a{text-decoration:none}
.phead h1{font:800 clamp(1.9rem,4vw,3rem)/1.08 var(--display);text-transform:uppercase}
.phead p{margin-top:14px;color:#C3CFDD;font-style:italic}

/* project detail */
.pd-hero{height:min(70vh,660px);background:var(--navy)}
.pd-hero img{width:100%;height:100%;object-fit:cover}
.pd-body{display:grid;grid-template-columns:1fr 340px;gap:60px;padding:56px 0}
.facts{border:1px solid var(--line);padding:24px;align-self:start;position:sticky;top:96px}
.facts .lg{height:14px;width:auto;margin-bottom:18px}
.facts dt{font:700 .72rem var(--display);text-transform:uppercase;color:var(--muted);margin-top:14px}
.facts dd{margin:4px 0 0;font-weight:600}
.facts dl{margin:0 0 22px}
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.gal button{padding:0;border:0;background:none;cursor:zoom-in;overflow:hidden}
.gal img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s}
.gal button:hover img{transform:scale(1.03)}
.gal button:first-child{grid-column:span 2;grid-row:span 2}
.gal button:first-child img{aspect-ratio:auto;height:100%}
.gal .s2{grid-column:span 2}.gal .s3{grid-column:1/-1}.gal .s3 img,.gal .s2 img{aspect-ratio:16/7}
@media (max-width:900px){.pd-body{grid-template-columns:1fr;gap:32px}.facts{position:static}.gal{grid-template-columns:1fr 1fr}}
.prose p{margin:0 0 16px;max-width:66ch}
.prose h2{font:800 1.3rem var(--display);text-transform:uppercase;margin:36px 0 14px}
.h3u{font:800 1.15rem var(--display);text-transform:uppercase;margin:44px 0 16px}
.lb{position:fixed;inset:0;background:rgba(5,10,20,.95);z-index:80;display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:86vh}
.lb button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;width:52px;height:52px;border-radius:50%;font-size:1.6rem;cursor:pointer}
.lb .c{top:20px;right:20px}.lb .p{left:20px;top:50%}.lb .n{right:20px;top:50%}
.lb .ct{position:absolute;bottom:20px;color:#B9C5D3;font-size:.9rem}

/* forms / shop / checkout */
select,input,textarea{font:500 .95rem var(--text);color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:0;padding:12px}
textarea{width:100%;min-height:110px;resize:vertical}
.shop{display:grid;grid-template-columns:240px 1fr;gap:40px}
.side h4{font:800 .8rem var(--display);text-transform:uppercase;margin:0 0 10px}
.side select{width:100%}
.side .opt{display:block;padding:7px 0;cursor:pointer;color:var(--ink-2);background:none;border:0;font:500 .92rem var(--text);text-align:left}
.side .opt[aria-pressed="true"]{color:var(--ink);font-weight:700}
@media (max-width:860px){.shop{grid-template-columns:1fr}}
.pdp{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;padding:56px 0}
.pdp .sheet{border:1px solid var(--line);padding:26px}
.pdp .sheet .top{display:flex;justify-content:space-between;align-items:flex-start}
.pdp .sheet .ttl{text-align:right}
.pdp .sheet h1{font:800 clamp(1.6rem,3vw,2.3rem) var(--display);text-transform:uppercase}
.pdp .sheet .ph{aspect-ratio:1;margin-top:18px;background:#fff}
.pdp .sheet .ph img{width:100%;height:100%;object-fit:contain}
.pdp .big{font:500 2.3rem var(--display);margin:6px 0 4px}
.pdp .vat{font-size:.78rem;color:var(--muted);text-transform:uppercase}
.qty{display:inline-flex;border:1.5px solid var(--line)}
.qty button{width:42px;border:0;background:var(--row);font-size:1.2rem;cursor:pointer;color:var(--ink)}
.qty input{width:56px;border:0;text-align:center}
.ptable{width:100%;border-collapse:collapse;margin-top:18px}
.ptable td{padding:8px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.ptable td:last-child{text-align:right}
@media (max-width:860px){.pdp{grid-template-columns:1fr;gap:28px}}
.co{display:grid;grid-template-columns:1fr 400px;gap:48px;padding:48px 0}
@media (max-width:960px){.co{grid-template-columns:1fr}}
.line{display:grid;grid-template-columns:72px 1fr auto;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.line img{width:72px;height:54px;object-fit:cover;background:#fff}
.line small{color:var(--muted);display:block}
.line .rm{background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;font:inherit;font-size:.85rem;padding:0}
.sum{border:1px solid var(--line);align-self:start;position:sticky;top:96px}
.sum h3{background:var(--navy);color:#fff;font:800 .9rem var(--display);text-transform:uppercase;padding:14px 20px;margin:0}
.sum .in{padding:20px}
.sum .r{display:flex;justify-content:space-between;gap:12px;padding:6px 0}
.sum .t{font:800 1.25rem var(--display);border-top:1px solid var(--line);margin-top:8px;padding-top:14px}
.sum .t span:last-child{color:var(--green)}
.form{display:grid;gap:18px}
.form h3{font:800 .95rem var(--display);text-transform:uppercase;background:var(--row);padding:12px 14px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:600px){.form .two{grid-template-columns:1fr}}
.form label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px}
.form input,.form select{width:100%}
.pay{display:grid;gap:8px}
.pay label{display:flex;gap:12px;align-items:center;border:1.5px solid var(--line);padding:14px 16px;cursor:pointer;font-weight:600;margin:0}
.pay input{width:auto}
.pay label:has(input:checked){border-color:var(--navy);background:var(--row-2)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.9rem}
.check input{width:auto;margin-top:4px}
.err{color:#B42318;font-size:.88rem;min-height:1em}
.okbox{border:1px solid var(--line);padding:40px;max-width:720px;margin:56px auto}
.okbox h1{font:800 2rem var(--display);text-transform:uppercase}
.wcard{border:1px solid var(--line);margin-top:24px}
.wcard header{background:var(--navy);color:#fff;padding:18px 22px;display:flex;justify-content:space-between;align-items:center;font-family:var(--display);font-weight:700}
.wcard dl{display:grid;grid-template-columns:1fr 1fr;margin:0}
.wcard dl div{padding:14px 22px;border-top:1px solid var(--line)}
.wcard dt{font:700 .72rem var(--display);text-transform:uppercase;color:var(--muted)}
.wcard dd{margin:3px 0 0;font-weight:600}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin-top:10px;color:var(--ink-2);max-width:70ch}
.arts{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:24px}
.art{text-decoration:none;display:flex;flex-direction:column;gap:12px;border:1px solid var(--line);padding-bottom:18px}
.art img{aspect-ratio:16/10;object-fit:cover}
.art h3{font:700 1.05rem/1.35 var(--display);padding:0 18px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .lgf{filter:invert(1)}}
:root[data-theme="dark"] .lgf{filter:invert(1)}
footer.ft{border-top:6px solid var(--navy);padding:56px 0 28px;background:var(--bg)}
.ft .cols{display:grid;grid-template-columns:1.8fr 1fr 1fr;gap:48px}
.ft h4{font:800 .8rem var(--display);text-transform:uppercase;margin-bottom:12px}
.ft .lnk a{display:block;text-decoration:none;padding:4px 0;color:var(--ink-2);font-size:.92rem}
.ft .bottom{border-top:1px solid var(--line);margin-top:40px;padding-top:20px;font-size:.8rem;color:var(--muted);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media (max-width:860px){.ft .cols{grid-template-columns:1fr}}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 18px;font-size:.9rem;opacity:0;pointer-events:none;transition:opacity .2s;z-index:90}
.toast.on{opacity:1}

/* bổ sung cho bản deploy */
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:#fff;color:#091933;padding:10px 14px;font-weight:700}
.skip:focus{left:8px}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.small{font-size:.82rem}.b{font-weight:700}.full{width:100%}.ml{margin-left:auto}.right{text-align:right!important}
.row-btn{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.narrow{max-width:840px;padding-top:48px;padding-bottom:96px}
.film-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:28px}
.film-tools label,.lbl{font:700 .8rem var(--display);text-transform:uppercase;display:block;margin-bottom:6px}
.film-tools label{margin:0}
.steps-list{padding-left:20px;color:var(--ink-2);margin:0 0 20px}
.vc{display:flex;gap:8px;margin:10px 0}.vc input{flex:1;min-width:0}
.qt td.veh{font-size:.82rem;font-weight:600}
.art-img{margin-bottom:32px}
.small-h{font-size:.9rem;margin:28px 0 8px}
.pdp .sheet h2{font:800 clamp(1.4rem,2.6vw,2rem) var(--display);text-transform:uppercase}
.chip input{width:auto;margin-right:8px}
label.chip{display:inline-flex;align-items:center}
.lgf{height:20px;width:auto;margin-bottom:22px}
.facts .lg{height:14px;width:auto;margin-bottom:18px}
.okbox .lg{height:16px;width:auto;margin-bottom:20px}
.lb[hidden]{display:none}
.bank{border:1px dashed var(--line);padding:18px;margin-top:18px;display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:center}
.bank img{width:180px;height:auto;background:#fff}
@media (max-width:560px){.bank{grid-template-columns:1fr}}
.status{display:inline-block;padding:4px 10px;font:700 .75rem var(--display);text-transform:uppercase;background:var(--row)}
.status.ok{background:#DDF5E7;color:#0E6B39}
.pdp .sheet .top .lg{flex:none;height:14px;width:auto}
@media (max-width:520px){.pdp .sheet .top{flex-direction:column-reverse;align-items:flex-end;gap:10px}.pdp .sheet{padding:18px}}
.qr{text-decoration:none;color:inherit}
@media (max-width:400px){.hdr .wrap{padding:0 12px;gap:8px}.logo img{height:15px}.hdr-r{gap:6px}.hdr-r .btn-sm{padding:9px 9px;font-size:.72rem}}
.ft .cols>div,.cap-grid>*,.co>*,.shop>*,.pd-body>*{min-width:0}
@media (max-width:560px){.addr thead{display:none}.addr tr{display:grid;grid-template-columns:1fr auto;gap:2px 12px;border-top:1px solid var(--line);padding:10px 0}.addr td{border:0;padding:0}.addr td:nth-child(2){grid-column:1/-1;grid-row:2;color:var(--ink-2)}}
.pdp .sheet .ph{aspect-ratio:4/3}
.pdp .sheet .ph img{object-fit:cover}
.pdp .sheet .ph img.ct{object-fit:contain;padding:20px}

/* ================= v2: hệ thẻ, hero, thanh lọc ================= */
html{scroll-padding-top:96px}
.boards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(272px,100%),1fr));gap:24px;align-items:stretch}
.boards.five{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
@media (max-width:1180px){.boards.five{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:700px){.boards.five{grid-template-columns:repeat(2,minmax(0,1fr))}}
.card{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);text-decoration:none;color:var(--ink);position:relative;transition:box-shadow .25s,transform .25s,border-color .25s;min-width:0}
.card:hover{box-shadow:0 18px 40px rgba(9,25,51,.14);transform:translateY(-3px);border-color:transparent}
.card:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.card-ph{overflow:hidden;background:#EEF2F4;aspect-ratio:4/3;position:relative}
.card-ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-ph img{transform:scale(1.045)}
.card-ph img.ct{object-fit:contain;padding:14px;background:#fff}
.card-t{font:800 1.02rem/1.3 var(--display);text-transform:uppercase;letter-spacing:.005em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.6em}
.card-t.r{text-align:right}
.card .pill{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:62%;font-size:.68rem;padding:6px 10px}
.pill.on-img{position:absolute;left:0;top:0;max-width:calc(100% - 24px);background:var(--navy);color:#fff}
.card-ft{margin-top:auto;display:flex;justify-content:space-between;gap:10px;padding:14px 18px;border-top:1px solid var(--line);font-size:.78rem;color:var(--muted)}
.card-ft span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-ft .go{color:var(--ink);font-weight:700;white-space:nowrap}
.card:hover .card-ft .go{color:var(--green)}
/* thẻ dự án: ảnh trước */
.card.pj .card-b{display:flex;flex-direction:column;flex:1}
.card.pj .card-t{padding:18px 18px 16px}
/* thẻ phụ kiện: tờ báo giá thu nhỏ */
.card.prd .card-top{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px 18px 10px}
.card.prd .card-top .lg{height:11px;width:auto;flex:none}
.card.prd .card-t{padding:0 18px}
.card-price{text-align:center;font:600 1.45rem var(--display);margin:12px 18px 14px;color:var(--ink);white-space:nowrap}
.card-price small{font-size:.55em;font-weight:700;margin:0 3px;vertical-align:.25em}
.card-price .ask{font-size:.95rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;display:inline-block;padding:6px 0}
.card.prd .card-ph{margin:0 18px}
.card.prd .card-ft{margin-top:auto;border-top:0;padding-top:16px}
.card.prd .card-ph+.card-ft{margin-top:auto}
.card.prd>.card-ph{flex:none}
.card.prd .card-ft{margin-top:auto}
.card.svc .card-price{font-size:1.02rem}
.card.svc .card-t{font-size:.92rem}
.card.svc .card-ft span:first-child{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
/* lưới dự án trang chủ */
.pj-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.pj-grid>.card:nth-child(1){grid-column:span 7}.pj-grid>.card:nth-child(2){grid-column:span 5}.pj-grid>.card:nth-child(n+3){grid-column:span 4}
.pj-grid>.card:nth-child(-n+2) .card-ph{aspect-ratio:auto;flex:1;min-height:300px}
.pj-grid>.card:nth-child(-n+2) .card-t{font-size:1.2rem}
@media (max-width:900px){.pj-grid{grid-template-columns:1fr}.pj-grid>.card:nth-child(n){grid-column:auto}.pj-grid>.card:nth-child(-n+2) .card-ph{aspect-ratio:4/3;min-height:0}}
/* thanh lọc dính dưới header */
.filters.sticky{position:sticky;top:74px;z-index:20;background:var(--bg);padding:14px 0;margin-bottom:24px;border-bottom:1px solid var(--line)}
@media (max-width:700px){.filters.sticky{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.filters.sticky::-webkit-scrollbar{display:none}.filters.sticky .chip{white-space:nowrap}}
.side{position:sticky;top:96px;align-self:start}
@media (max-width:860px){.side{position:static}}
.chip:hover{border-color:var(--ink)}
/* hero: căn giữa, bớt khoảng trống */
.hero .wrap{align-items:center;min-height:0;padding-top:56px;padding-bottom:56px}
.hero .txt{padding-bottom:0}
.arch{min-height:500px}
.arch .door{top:0;border-radius:500px 500px 0 0}
.arch .rim{top:-16px}
.hero .ap{max-width:46ch}
@media (min-width:901px){.hero .wrap{grid-template-columns:1fr 1fr;min-height:clamp(560px,72vh,700px)}}
@media (max-width:900px){.hero .wrap{padding-top:40px;padding-bottom:0}.arch{min-height:320px}}
/* phụ: header, nút, footer */
.fh{font:800 .8rem var(--display);text-transform:uppercase;margin:0 0 12px}
.btn-green{background:var(--green)}
.btn-green:hover{background:#116A32}
.nav a{transition:color .2s,border-color .2s}
.hdr{box-shadow:0 1px 0 rgba(255,255,255,.06)}
.addr th[scope=row]{font:700 .8rem var(--display);text-transform:uppercase;white-space:nowrap;text-align:left;padding:7px 18px 7px 0;border-top:1px solid var(--line);vertical-align:top}
@media (max-width:560px){.addr th[scope=row]{border:0;padding:0}}
.logo img{height:24px;width:auto}
.lgf{height:20px;width:auto}
.band-hd .logo-w{height:24px;width:auto}
.facts .lg,.okbox .lg{width:auto}
@media (prefers-reduced-motion:reduce){.card,.card-ph img{transition:none}.card:hover{transform:none}.card:hover .card-ph img{transform:none}}
/* v2.1 tinh chỉnh */
.card.prd .card-top{min-height:48px}
.card .pill{max-width:72%;font-size:.64rem;letter-spacing:.02em}
.hero .k{font-size:clamp(.95rem,1.35vw,1.2rem)}
@media (min-width:901px){
  .hero .wrap{padding-bottom:0;align-items:stretch}
  .hero .txt{align-self:center;padding:24px 0 56px}
  .arch{align-self:end;height:clamp(460px,62vh,600px);min-height:0}
  .arch .door{top:28px}
  .arch .rim{top:12px}
}
@media (max-width:860px){
  .shop{gap:20px}
  .side{display:grid;gap:10px}
  .side h4{margin:4px 0 0!important}
  .side .muted.small{display:none}
  .side{grid-template-columns:1fr}
  .side .opt{display:inline-flex;border:1.5px solid var(--line);padding:8px 12px;margin:0 6px 6px 0;font-size:.82rem}
  .side .opt[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}
  .side>.opt{width:max-content}
}
@media (min-width:861px){.side .opts .opt{display:block}}
.card.svc .card-price{white-space:normal;line-height:1.3}
@media (max-width:420px){.card.svc .card-price{font-size:.9rem;margin:10px 12px}.card.svc .card-t{font-size:.82rem}.card.svc .card-top,.card.svc .card-t{padding-left:12px;padding-right:12px}.card.svc .card-ph{margin:0 12px}}
.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}
.side .fh{margin:0 0 10px}
.form h2.fs{font:800 .95rem var(--display);text-transform:uppercase;background:var(--row);padding:12px 14px;margin:0}
.sum h2.fs{background:var(--navy);color:#fff;padding:14px 20px}
.sum h2.fs{font:800 .9rem var(--display);text-transform:uppercase;margin:0}
/* v1.1.1: logo không bao giờ bị co/bóp — giữ đúng tỷ lệ 8,51:1 */
.logo{flex:none;display:block;line-height:0}
.logo img,.lgf,.band-hd .logo-w,.card .lg,.facts .lg,.okbox .lg{max-width:none;width:auto;flex:none;object-fit:contain}
@media (max-width:1280px){.nav{gap:16px}}
@media (max-width:1180px){.nav{gap:12px;font-size:.76rem}}
@media (max-width:480px){.logo img{height:18px}.hdr .wrap{gap:10px;padding:0 16px}.hdr-r{gap:6px}}
@media (max-width:400px){.logo img{height:15px}.hdr .wrap{padding:0 12px}.hdr-r .btn-sm{padding:9px 8px;font-size:.7rem}}
@media (max-width:340px){.logo img{height:13px}.hdr-r .btn-sm{padding:8px 6px;font-size:.66rem;letter-spacing:0}}