/* Nghịch Túi Giấy: nền âm chìm. Đen trắng như logo, màu duy nhất là chiếc túi. */
[hidden]{display:none !important}
@font-face{font-family:"Big Shoulders Display";src:url("../fonts/BigShouldersDisplay.woff") format("woff");font-weight:100 900;font-display:swap}
@font-face{font-family:"Be Vietnam Pro";src:url("../fonts/BeVietnamPro-Regular.woff") format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"Be Vietnam Pro";src:url("../fonts/BeVietnamPro-Medium.woff") format("woff");font-weight:500;font-display:swap}
@font-face{font-family:"Be Vietnam Pro";src:url("../fonts/BeVietnamPro-SemiBold.woff") format("woff");font-weight:600;font-display:swap}

:root{
  color-scheme:light;
  --void:#ffffff;      /* nền trắng */
  --well:#f3f3f1;      /* khung chứa túi */
  --raise:#f7f7f5;
  --chalk:#111111;     /* chữ, viền, nét logo */
  --mute:#5c5c58;
  --line:#111111;      /* viền đen làm điểm nhấn */
  --line-2:#111111;
  --hair:#dcdcd8;
  --logo-ink:var(--chalk);
  --logo-paper:var(--void);
  --f-d:"Big Shoulders Display","Arial Narrow",sans-serif;
  --f-t:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --s-1:clamp(1.15rem,1rem + .5vw,1.35rem);
  --s-2:clamp(1.6rem,1.2rem + 1.4vw,2.3rem);
  --s-3:clamp(2.4rem,1.5rem + 3.2vw,4rem);
  --s-4:clamp(3rem,1.6rem + 5.4vw,6rem);
  --pad:clamp(16px,4vw,56px);
  --ease:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:76px}
body{margin:0;background:var(--void);color:var(--chalk);font:400 1rem/1.65 var(--f-t);scrollbar-color:var(--line-2) var(--void);caret-color:var(--chalk)}
::selection{background:#111;color:#fff}
img,video,canvas{display:block;max-width:100%}
a{color:inherit;text-underline-offset:.24em;text-decoration-thickness:1px}
:focus-visible{outline:2px solid var(--chalk);outline-offset:3px}
h1,h2,h3{font-family:var(--f-d);font-weight:800;text-transform:uppercase;line-height:1.04;letter-spacing:.005em;margin:0;text-wrap:balance}
p{margin:0}
.wrap{max-width:1360px;margin:0 auto;padding-left:max(var(--pad),env(safe-area-inset-left,0px));padding-right:max(var(--pad),env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-999px;top:8px;z-index:90;background:var(--chalk);color:var(--void);padding:8px 12px}
.skip:focus{left:16px}
.icon{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.muted{color:var(--mute)}

/* sunken well: the debossed cavity that holds a bag */
.well{position:relative;background:radial-gradient(110% 85% at 50% 35%,#ffffff 0%,#f6f6f4 60%,#ececea 100%);outline:2px solid var(--chalk);outline-offset:-2px}
.well::after{content:"";position:absolute;left:8%;right:8%;bottom:7%;height:1px;background:var(--hair)}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--void);z-index:60}
.hd{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--void);border-bottom:2px solid var(--line)}
.hd .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .logo{width:38px;height:auto}
.brand b{font:800 1.35rem/1 var(--f-d);text-transform:uppercase;letter-spacing:.02em;white-space:nowrap}
.brand:hover .lg-letter{animation:jig .5s var(--ease) calc(var(--i)*25ms)}
@keyframes jig{40%{transform:translateY(-6px)}}
.lg-letter{transform-box:fill-box;transform-origin:50% 50%}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav > a,.nav .dd > button{display:inline-flex;align-items:center;gap:6px;padding:10px 12px;text-decoration:none;color:var(--mute);font:500 .95rem var(--f-t);background:none;border:0;cursor:pointer}
.nav > a:hover,.nav .dd > button:hover,.nav [aria-current="page"]{color:var(--chalk)}
.nav [aria-current="page"]{box-shadow:inset 0 -2px 0 var(--chalk)}
.nav .cta{color:var(--void);background:var(--chalk);margin:0 6px;font-weight:600}
.nav .cta:hover{color:var(--void);background:#333}
.dd{position:relative}
.dd .chev{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .25s var(--ease)}
.dd[data-open] .chev{transform:rotate(180deg)}
.dd .menu{position:absolute;top:100%;left:0;min-width:260px;background:#fff;border:2px solid var(--line);padding:6px 0;display:none}
.dd[data-open] .menu{display:block}
.dd .menu a{display:block;padding:10px 16px;text-decoration:none;color:var(--chalk)}
.dd .menu a:hover{background:#efefed}
.dd .menu .all{border-top:1px solid var(--line);margin-top:4px;color:var(--mute)}
.quick,.burger{display:none}
@media (max-width:1000px){
  .nav{display:none;position:fixed;inset:64px 0 0;background:var(--void);flex-direction:column;align-items:stretch;gap:0;
    padding:12px max(16px,env(safe-area-inset-right,0px)) 24px max(16px,env(safe-area-inset-left,0px));overflow:auto;margin:0}
  .nav.open{display:flex}
  .nav > a,.nav .dd > button{font:800 1.9rem/1 var(--f-d);text-transform:uppercase;color:var(--chalk);padding:16px 0;border-bottom:1px solid var(--line);width:100%;justify-content:space-between}
  .nav .cta{margin:0;padding:16px 14px;justify-content:space-between}
  .dd .menu{position:static;display:block;border:0;background:none;padding:0 0 8px}
  .dd .menu a{padding:10px 0 10px 14px;color:var(--mute)}
  .dd .chev{display:none}
  .quick{display:flex;gap:8px;margin-left:auto}
  .quick a,.burger{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line-2);color:var(--chalk);background:none;cursor:pointer}
  .burger .b{width:18px;height:12px;position:relative;display:block}
  .burger .b::before,.burger .b::after{content:"";position:absolute;left:0;right:0;height:2px;background:currentColor;transition:transform .3s var(--ease)}
  .burger .b::before{top:0}.burger .b::after{bottom:0}
  .burger[aria-expanded="true"] .b::before{transform:translateY(5px) rotate(45deg)}
  .burger[aria-expanded="true"] .b::after{transform:translateY(-5px) rotate(-45deg)}
  .brand b{font-size:1.15rem}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 24px;border:2px solid var(--chalk);background:transparent;color:var(--chalk);
  font:600 .98rem var(--f-t);text-decoration:none;cursor:pointer;transition:background-color .25s var(--ease),color .25s var(--ease)}
.btn:hover{background:#f0f0ee}
.btn.solid{background:var(--chalk);color:var(--void)}
.btn.solid:hover{background:#333}
.actions{display:flex;flex-wrap:wrap;gap:12px}

/* logo intro */
.intro{position:fixed;inset:0;z-index:80;background:var(--void);display:grid;place-items:center;transition:opacity .5s var(--ease)}
.intro .logo{width:min(46vw,240px);height:auto;transform-origin:50% 50%}
.intro.go .logo{transition:transform .7s var(--ease)}
.intro.done{opacity:0;pointer-events:none}
.intro .skipb{position:absolute;right:max(16px,env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));background:none;border:0;color:var(--mute);font:500 .9rem var(--f-t);cursor:pointer;padding:10px}
.intro .lg-edge{stroke-dasharray:900;stroke-dashoffset:900;animation:draw .9s var(--ease) .1s forwards}
.intro .lg-face-l{opacity:0;transform-box:fill-box;transform-origin:50% 100%;transform:scaleY(0);animation:fillup .45s var(--ease) .75s forwards}
.intro .lg-face-r{opacity:0;animation:fade .3s linear .7s forwards}
.intro .lg-letter{opacity:0;transform:translateY(-22px) rotate(-8deg) scale(1.3);animation:stamp .42s var(--ease) calc(1.05s + var(--i)*55ms) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fillup{to{opacity:1;transform:scaleY(1)}}
@keyframes fade{to{opacity:1}}
@keyframes stamp{60%{opacity:1}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.intro{display:none}}

/* home stage */
.stage{position:relative;min-height:calc(100svh - 64px);display:grid;grid-template-columns:5fr 7fr;align-items:stretch;border-bottom:2px solid var(--line)}
.stage > *{min-width:0}
.slides{position:relative;display:flex;flex-direction:column;justify-content:center;gap:28px;padding:clamp(28px,5vw,72px) clamp(16px,3vw,48px) clamp(28px,5vw,72px) max(var(--pad),env(safe-area-inset-left,0px))}
.slide{display:none}
.slide.on{display:block;animation:slidein .7s var(--ease)}
@keyframes slidein{from{opacity:0;transform:translateY(18px);filter:blur(4px)}to{opacity:1;transform:none;filter:none}}
@media (prefers-reduced-motion:reduce){.slide.on{animation:none}}
.slide h1,.slide h2{font-size:var(--s-4);line-height:1.1}
.slide p{margin-top:18px;font-size:1.1rem;color:var(--mute);max-width:36ch}
.slide .actions{margin-top:28px}
.ctrl{display:flex;align-items:center;gap:16px}
.ctrl .count{font:800 1.4rem/1 var(--f-d);font-variant-numeric:tabular-nums;min-width:4.2ch}
.ctrl .bar{flex:1;max-width:220px;height:2px;background:var(--hair);position:relative;overflow:hidden}
.ctrl .bar i{position:absolute;inset:0;background:var(--chalk);transform-origin:0 50%;transform:scaleX(0)}
.ctrl button{width:44px;height:44px;border:1px solid var(--line-2);background:none;color:var(--chalk);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.ctrl button:hover{border-color:var(--chalk)}
.view{position:relative;overflow:hidden}
.view canvas{position:absolute;inset:0;width:100%;height:100%}
.view .hint{position:absolute;right:16px;bottom:14px;font-size:.82rem;color:var(--mute);z-index:2;display:flex;align-items:center;gap:8px;pointer-events:none}
.view .tag{position:absolute;left:20px;top:18px;font:800 1rem/1.2 var(--f-d);text-transform:uppercase;letter-spacing:.06em;color:var(--mute);pointer-events:none}
@media (max-width:900px){
  .stage{grid-template-columns:1fr;grid-template-rows:auto minmax(46svh,1fr);min-height:0}
  .view{order:-1;min-height:48svh}
  .slides{padding-top:24px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .slide h1,.slide h2{font-size:clamp(2.6rem,11vw,3.6rem)}
}

/* sections */
.sec{padding-block:clamp(56px,8vw,112px);border-bottom:2px solid var(--line)}
.sec-h{display:flex;flex-wrap:wrap;gap:16px 40px;align-items:end;justify-content:space-between;margin-bottom:clamp(28px,4vw,48px)}
.sec-h h2{font-size:var(--s-3)}
.sec-h p{color:var(--mute);max-width:46ch}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px;background:var(--line);border:2px solid var(--line)}
.tile{background:var(--void);text-decoration:none;display:flex;flex-direction:column;min-width:0}
.tile .well{aspect-ratio:4/5;display:grid;place-items:center;overflow:hidden}
.tile .well img{width:86%;height:auto;transition:transform .6s var(--ease)}
.tile:hover .well img{transform:translateY(-6px) scale(1.03)}
.tile .t{padding:18px 18px 22px;display:grid;gap:6px}
.tile h3{font-size:1.7rem}
.tile p{color:var(--mute);font-size:.94rem}
@media (max-width:900px){.tiles{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.tiles{grid-template-columns:1fr}.tile .well{aspect-ratio:5/4}}

/* page hero (inner pages) */
.ph{padding-block:clamp(40px,6vw,88px) clamp(28px,4vw,48px)}
.ph h1{font-size:var(--s-4)}
.ph p{margin-top:16px;color:var(--mute);max-width:56ch;font-size:1.08rem}
.crumbs{font-size:.86rem;color:var(--mute);padding-top:18px}
.crumbs a{color:var(--mute)}

/* industry rows */
.rows{display:grid;gap:2px;background:var(--line);border-block:2px solid var(--line)}
.row{display:grid;grid-template-columns:5fr 7fr;background:var(--void);min-height:420px}
.row > *{min-width:0}
.row:nth-child(even) .well{order:2}
.row .well{display:grid;place-items:center;overflow:hidden}
.row .well img{width:min(78%,440px);height:auto}
.row .txt{padding:clamp(28px,4vw,64px);display:flex;flex-direction:column;justify-content:center;gap:18px}
.row .n{font:800 1rem var(--f-d);color:var(--mute);letter-spacing:.08em}
.row h2{font-size:var(--s-3)}
.row p{color:var(--mute);max-width:52ch}
@media (max-width:900px){.row{grid-template-columns:1fr;min-height:0}.row:nth-child(even) .well{order:0}.row .well{aspect-ratio:4/3}}

.ind{display:grid;grid-template-columns:7fr 5fr;border-bottom:1px solid var(--line)}
.ind > *{min-width:0}
.ind .well{display:grid;place-items:center;min-height:min(72svh,640px)}
.ind .well img{width:min(70%,460px)}
.ind .txt{padding:clamp(28px,4vw,64px);display:flex;flex-direction:column;justify-content:center;gap:20px;border-left:1px solid var(--line)}
.ind h1{font-size:var(--s-3)}
.ind .lede{color:var(--mute);max-width:46ch}
@media (max-width:900px){.ind{grid-template-columns:1fr}.ind .well{min-height:0;aspect-ratio:4/3}.ind .txt{border-left:0}}

.specs{margin:0;display:grid;grid-template-columns:max-content 1fr;border-top:2px solid var(--line)}
.specs dt,.specs dd{margin:0;padding:11px 0;border-bottom:1px solid var(--hair)}
.specs dt{padding-right:24px;color:var(--mute);font-size:.88rem}
.specs dd{font-weight:500}

.advice{display:grid;grid-template-columns:4fr 8fr;gap:clamp(24px,4vw,64px)}
.advice > *{min-width:0}
.advice h2{font-size:var(--s-3)}
.advice dl{margin:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);border-top:2px solid var(--line)}
.advice dt,.advice dd{margin:0;padding:18px 0;border-bottom:1px solid var(--hair)}
.advice dt{font:800 1.3rem/1.1 var(--f-d);text-transform:uppercase;padding-right:24px}
.advice dd{color:var(--mute)}
@media (max-width:860px){.advice{grid-template-columns:1fr}.advice dl{grid-template-columns:1fr}.advice dt{border-bottom:0;padding-bottom:4px}}

.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;background:var(--line)}
.gallery figure{margin:0;background:var(--void)}
.gallery .well{aspect-ratio:1;display:grid;place-items:center}
.gallery img{width:84%;height:auto}
.gallery figcaption{padding:12px 14px;color:var(--mute);font-size:.9rem}
@media (max-width:760px){.gallery{grid-template-columns:1fr 1fr}}

/* faq */
.faq{display:grid;grid-template-columns:4fr 8fr;gap:clamp(24px,4vw,64px)}
.faq > *{min-width:0}
.faq h2{font-size:var(--s-3)}
.faq details{border-bottom:1px solid var(--hair)}
.faq details:first-child{border-top:2px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font-weight:600;font-size:1.05rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:50%;width:11px;height:11px;border-right:1.7px solid var(--chalk);border-bottom:1.7px solid var(--chalk);transform:translateY(-70%) rotate(45deg);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq details p{padding:0 0 18px;color:var(--mute);max-width:62ch}
@media (max-width:860px){.faq{grid-template-columns:1fr}}

/* fitting room */
.room{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);border-bottom:1px solid var(--line)}
.room .view{min-height:min(78svh,760px);position:sticky;top:64px;height:calc(100svh - 64px);max-height:860px}
.room .panel{border-left:1px solid var(--line);padding:clamp(20px,3vw,40px);display:grid;gap:26px;align-content:start}
.room h1{font-size:var(--s-3)}
.dim{position:absolute;pointer-events:none;font:800 .95rem/1 var(--f-d);letter-spacing:.04em;text-transform:uppercase;color:var(--chalk);background:#fff;border:2px solid var(--chalk);padding:6px 9px;white-space:nowrap;transform:translate(-50%,-50%);transition:opacity .2s}
.dim small{font:500 .72rem var(--f-t);color:var(--mute);text-transform:none;letter-spacing:0;margin-right:6px}
.fld > .lbl,.fld > label{display:block;font-weight:600;font-size:.9rem;margin-bottom:10px}
.nums{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.num{display:grid;gap:6px}
.num label{font-size:.82rem;color:var(--mute)}
.num .box{display:flex;align-items:stretch;border:2px solid var(--line);background:#fff}
.num input{width:100%;min-width:0;border:0;background:none;color:var(--chalk);font:800 1.6rem/1 var(--f-d);padding:10px 4px 10px 12px;font-variant-numeric:tabular-nums;-moz-appearance:textfield}
.num input::-webkit-outer-spin-button,.num input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.num .u{display:flex;align-items:center;padding-right:10px;color:var(--mute);font-size:.85rem}
.num:focus-within .box{border-color:var(--chalk)}
.err{color:#b3261e;font-size:.86rem;min-height:1.2em}
.ex{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;align-items:center;font-size:.85rem;color:var(--mute)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:0 14px;border:1px solid var(--line-2);background:none;color:var(--chalk);font:500 .92rem var(--f-t);cursor:pointer}
.chip:hover{background:#f0f0ee}
.chip[aria-pressed="true"]{background:var(--chalk);color:var(--void);border-color:var(--chalk)}
.chip .sw{width:14px;height:14px;border:1px solid rgba(0,0,0,.35);flex:none}
.chip.sm{min-height:34px;padding:0 10px;font-size:.84rem}
input[type=text],input[type=tel],input[type=password],input[type=number].plain,textarea,select{width:100%;font:400 1rem var(--f-t);color:var(--chalk);background:#fff;border:2px solid var(--line);padding:12px;border-radius:0}
input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--chalk);outline-offset:0}
input[type=color]{width:42px;height:42px;border:1px solid var(--line-2);background:none;padding:0;cursor:pointer}
.file{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.file input{position:absolute;opacity:0;width:1px;height:1px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.two > *{min-width:0}
.ticket{border-top:1px solid var(--chalk);padding-top:18px;display:grid;gap:14px}
.ticket h2{font-size:var(--s-2)}
.status{font-size:.86rem;color:var(--mute)}
@media (max-width:900px){
  .room{grid-template-columns:1fr}
  .room .view{position:sticky;top:64px;height:42svh;min-height:280px;z-index:5;border-bottom:1px solid var(--line)}
  .room .panel{border-left:0}
  .nums{gap:8px}
  .num input{font-size:1.35rem}
}

/* articles */
.list{display:grid;gap:2px;background:var(--line);border-block:2px solid var(--line)}
.post{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,8fr) auto;gap:clamp(16px,3vw,40px);align-items:center;background:var(--void);padding:22px 0;text-decoration:none}
.post .well{aspect-ratio:4/3;display:grid;place-items:center}
.post .well img{width:70%}
.post h2{font-size:var(--s-2)}
.post p{color:var(--mute);margin-top:8px;max-width:60ch}
.post .go{width:48px;height:48px;border:1px solid var(--line-2);display:grid;place-items:center;margin-right:4px}
.post:hover .go{border-color:var(--chalk)}
@media (max-width:700px){.post{grid-template-columns:1fr}.post .go{display:none}}
.article{max-width:760px;margin:0 auto;padding-block:clamp(40px,6vw,88px)}
.article h1{font-size:var(--s-3)}
.article .lede{margin-top:18px;font-size:1.15rem;color:var(--mute)}
.article h2{font-size:var(--s-2);margin:44px 0 14px}
.article p,.article li{color:#2a2a28;max-width:68ch}
.article p + p{margin-top:14px}
.article ul,.article ol{padding-left:1.2em;display:grid;gap:8px;margin:14px 0}
.article .figure{margin:28px 0}
.article .figure .well{aspect-ratio:16/9;display:grid;place-items:center}
.article .figure img{width:min(46%,320px)}
.article .figure figcaption{color:var(--mute);font-size:.88rem;margin-top:10px}
.article table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem}
.article th,.article td{text-align:left;padding:10px 12px 10px 0;border-bottom:1px solid var(--hair);vertical-align:top}
.article th{color:var(--mute);font-weight:500}
.tbl{overflow-x:auto}
.next{margin-top:48px;padding-top:24px;border-top:1px solid var(--line-2)}

/* contact */
.contact{display:grid;grid-template-columns:7fr 5fr;gap:clamp(24px,4vw,64px);align-items:start}
.contact > *{min-width:0}
.phone{font:800 clamp(3rem,1.6rem + 6vw,6rem)/1 var(--f-d);letter-spacing:.01em;font-variant-numeric:tabular-nums;user-select:all;margin:12px 0 20px}
.form{display:grid;gap:14px;border:2px solid var(--line);padding:clamp(18px,3vw,32px);background:#fff}
.form h2{font-size:var(--s-2)}
@media (max-width:860px){.contact{grid-template-columns:1fr}}

/* footer */
.ft{padding-block:44px calc(32px + env(safe-area-inset-bottom,0px));color:var(--mute);font-size:.9rem}
.ft .wrap{display:grid;grid-template-columns:auto 1fr auto;gap:24px 48px;align-items:start}
.ft .logo{width:72px}
.ft nav{display:grid;grid-template-columns:repeat(2,max-content);gap:8px 36px}
.ft nav a{text-decoration:none}
.ft nav a:hover{color:var(--chalk)}
.ft .tel{color:var(--chalk);font:800 1.6rem var(--f-d)}
@media (max-width:760px){.ft .wrap{grid-template-columns:1fr}}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:#111;color:#fff;padding:12px 18px;font-size:.92rem;font-weight:500;z-index:95;max-width:calc(100% - 32px)}
/* túi trong hốc: luôn nằm gọn trong khung */
.well > img{width:auto !important;height:auto;max-width:86%;max-height:88%;object-fit:contain}
.tile .well,.row .well,.ind .well,.post .well,.gallery .well,.article .figure .well{display:grid;place-items:center;overflow:hidden}
.ind .well{aspect-ratio:auto}
@media (max-width:900px){.ind .well{aspect-ratio:1/1}.row .well{aspect-ratio:1/1}}
.post .well{aspect-ratio:1/1;max-height:220px}
.article .figure .well{aspect-ratio:16/10}
/* ảnh túi luôn nằm trọn trong hốc, mọi kích thước */
.tile .well > img,.row .well > img,.ind .well > img,.post .well > img,.gallery .well > img,.article .figure .well > img{position:absolute;inset:0;margin:auto;width:86% !important;height:88%;max-width:none;max-height:none;object-fit:contain;object-position:50% 100%}
.ind .well{min-height:min(72svh,640px)}
@media (max-width:900px){.ind .well{min-height:0}}
/* phòng thử: CMYK và tuỳ chọn con */
.cmyk{margin-top:14px;border:2px solid var(--line);padding:14px;display:grid;gap:10px}
.cmyk-row{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:center}
.cmyk-sw{width:64px;height:64px;border:2px solid var(--line);display:block}
.cmyk-sl{display:grid;gap:6px}
.sl{display:grid;grid-template-columns:1.4em 1fr 2.4em;gap:10px;align-items:center;font:800 1rem var(--f-d)}
.sl output{text-align:right;font-variant-numeric:tabular-nums}
.sl input{accent-color:#111;width:100%}
.sub{margin-top:14px;padding-left:14px;border-left:2px solid var(--line);display:grid;gap:8px}
.sub .lbl{font-size:.84rem;font-weight:600;color:var(--mute)}
/* báo giá */
.quote{border:2px solid var(--line);padding:clamp(16px,2.5vw,24px);display:grid;gap:18px;background:#fff}
.quote .two{gap:14px}
.quote h2{font-size:var(--s-2)}
.quote .small,.small{font-size:.84rem}
.seg{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--line)}
.seg button{min-height:44px;border:0;background:#fff;color:var(--chalk);font:600 .95rem var(--f-t);cursor:pointer}
.seg button[aria-selected="true"]{background:var(--chalk);color:#fff}
.af{display:grid;gap:12px}
.af label,.quote .fld > label{display:block;font-weight:600;font-size:.88rem;margin-bottom:6px}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:.88rem}
.chk input{margin-top:3px;accent-color:#111;width:18px;height:18px;flex:none}
.msg{border:2px solid #b3261e;color:#b3261e;padding:10px 12px;font-size:.9rem;margin:0}
.msg.ok{border-color:#1d6b3a;color:#1d6b3a}
.cho-t{font:800 1.5rem/1.15 var(--f-d);text-transform:uppercase}
.tk{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline;border-bottom:1px solid var(--hair);padding-bottom:10px}
.tk #tk-ten{font-weight:600}
.lnk{margin-left:auto;background:none;border:0;padding:0;color:var(--chalk);text-decoration:underline;text-underline-offset:.2em;font:500 .88rem var(--f-t);cursor:pointer}
.q-tui{display:grid;gap:2px;background:var(--well);padding:10px 12px;border-left:3px solid var(--line);margin:0}
.three{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.three > *{min-width:0}
.quote select,.quote input{min-height:46px}
.btn.wide{width:100%}
.kq{border:2px solid var(--line);padding:16px;display:grid;gap:8px;transition:opacity .2s}
.kq.cu .gia,.kq.cu #q-tong{opacity:.4}
.kq .cu{margin:0;font-size:.86rem;font-weight:600}
.kq .gia{margin:0;font:800 clamp(2.4rem,1.6rem + 3vw,3.4rem)/1 var(--f-d);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.kq .gia .dv{font:500 1rem var(--f-t);color:var(--mute)}
.kq .note{margin:0;font-weight:600;font-size:.9rem}
@media (max-width:460px){.three{grid-template-columns:1fr 1fr}.three .fld:last-child{grid-column:1 / -1}}

/* ---------- Ảnh túi thật ---------- */
.pic{position:relative;display:block;overflow:hidden;background:#ecebe8;outline:2px solid var(--chalk);outline-offset:-2px}
.pic > img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.view.photos{background:#ecebe8;outline:2px solid var(--chalk);outline-offset:-2px}
.view .sp{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .9s var(--ease)}
.view .sp.on{opacity:1}
.view.photos .tag{left:16px;top:auto;bottom:16px;background:#fff;color:var(--chalk);padding:8px 12px;border:2px solid var(--chalk);z-index:2;max-width:calc(100% - 32px)}
@media (prefers-reduced-motion:reduce){.view .sp{transition:none}}
.tile .pic{aspect-ratio:4/5;outline:0}
.tile:hover .pic > img,.case:hover .pic > img{transform:scale(1.04)}
@media (max-width:480px){.tile .pic{aspect-ratio:4/5}}
.cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--line);border-left:2px solid var(--line)}
.case{border-right:2px solid var(--line);border-bottom:2px solid var(--line);background:var(--void);text-decoration:none;color:inherit;display:flex;flex-direction:column;min-width:0}
.case[hidden]{display:none}
.case .pic{aspect-ratio:4/5;outline:0;border-bottom:2px solid var(--line)}
.case .t{padding:16px 18px 20px;display:grid;gap:6px;align-content:start}
.case h3{font-size:1.6rem}
.case p{color:var(--mute);font-size:.94rem}
.case .meta{font-size:.82rem;color:var(--mute);text-transform:uppercase;letter-spacing:.04em}
@media (max-width:900px){.cases{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.cases{grid-template-columns:1fr}.case .pic{aspect-ratio:1/1}}
.ind > .pic{outline:0;min-height:min(78svh,720px)}
.case-top > .pic{aspect-ratio:auto;min-height:min(82svh,780px)}
@media (max-width:900px){.case-top > .pic{min-height:0;aspect-ratio:4/5}}
@media (max-width:900px){.ind > .pic{min-height:0;aspect-ratio:4/5}}
.case-body .article{max-width:68ch}
.case-body .article ul{margin-top:12px}
.pgal{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--line);border-left:2px solid var(--line)}
.pgal .pic{aspect-ratio:1/1;outline:0;border-right:2px solid var(--line);border-bottom:2px solid var(--line)}
@media (max-width:760px){.pgal{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.tiles{grid-template-columns:1fr 1fr}.tile .pic{aspect-ratio:4/5}.tile h3{font-size:1.25rem}.tile .t{padding:12px}}