/* Nguyên tắc: tấm đá là nhân vật chính, giao diện lùi lại.
   Một font, hai màu chữ, lưới 8px, không hiệu ứng trang trí. */
:root{
 --ink:#1b1c1a; --text:#6b6d68; --line:#e4e3df; --soft:#f4f3ef; --green:#2f7d3d; --gold:#e3a023; --lime:#8cc63f; --tint:#f2f6ee;
 --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px; --s8:128px;
 --gut:40px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Lato,sans-serif;font-weight:400;font-size:14px;line-height:24px;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
html{scroll-behavior:smooth}
[id]{scroll-margin-top:104px}
a{color:inherit;text-decoration:none;transition:color .2s}
img{display:block;width:100%;height:100%;object-fit:cover;-webkit-user-drag:none;user-select:none}
body img.fade{opacity:0;transition:opacity .7s ease,transform 1.2s cubic-bezier(.2,.7,.1,1)}
body img.fade.ld{opacity:1}
ul{list-style:none}
.wrap{padding:0 var(--gut)}
.lb{font-size:11px;line-height:16px;letter-spacing:2px;text-transform:uppercase;font-weight:400}

/* HEADER */
header{position:sticky;top:0;z-index:20;background:#fff;box-shadow:0 1px 0 var(--line)}
header::before{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--gold) 0 33%,var(--lime) 33% 66%,var(--green) 66%)}
.nav{height:80px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}
.logo{justify-self:start}
.logo img{height:56px;width:auto;mix-blend-mode:multiply}
.menu{display:flex;gap:var(--s4)}
.menu>li{position:relative}
.menu>li>a{display:block;padding:var(--s4) 0;color:var(--ink)}
.menu a:hover{color:var(--green)}
.sub{position:absolute;top:100%;left:-24px;min-width:200px;background:#fff;border:1px solid var(--line);border-top:0;padding:var(--s2) var(--s3);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .25s cubic-bezier(.2,.7,.1,1),visibility 0s .25s}
.menu>li:hover .sub,.menu>li:focus-within .sub{opacity:1;visibility:visible;transform:none;transition:opacity .25s,transform .25s cubic-bezier(.2,.7,.1,1)}
.sub a{display:block;padding:var(--s1) 0;color:var(--text)}
.tools{justify-self:end;display:flex;align-items:center;gap:var(--s3)}
.tools a{color:var(--green);border:1px solid var(--green);padding:12px var(--s3);transition:.2s}
.tools a:hover{background:var(--green);color:#fff}
.burger{display:none;background:none;border:0;cursor:pointer}
.burger svg{display:block;width:24px;height:24px;fill:none;stroke:var(--ink);stroke-width:1.25}

/* HERO: một tấm đá, chú thích như nhãn tranh */
.hero{position:relative;height:calc(100vh - 83px);min-height:560px;background:var(--ink);overflow:hidden}
.hero figure{position:absolute;inset:0;opacity:0;transition:opacity 1.2s}
.hero figure.on{opacity:1}
.hero figure img{transform:scale(1.05)}
.hero figure.on img{animation:drift 8s ease-out forwards}
@keyframes drift{from{transform:scale(1.05)}to{transform:scale(1)}}
.hero figure::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 55%,rgba(18,19,17,.6))}
.hero figcaption{position:absolute;left:var(--gut);bottom:var(--s5);color:#fff}
.hero figcaption b{display:block;font-weight:200;font-size:clamp(40px,6vw,88px);line-height:1.1;letter-spacing:-1px;margin-bottom:var(--s2)}
.hero nav{position:absolute;right:var(--gut);bottom:var(--s5);display:flex;gap:var(--s2);color:#fff}
.hero nav button{background:none;border:0;color:inherit;font:inherit;cursor:pointer;opacity:.5;padding:var(--s1) 0}
.hero nav button.on{opacity:1;box-shadow:0 2px 0 var(--gold)}

/* LỜI DẪN */
.say{padding:var(--s8) var(--gut);display:grid;grid-template-columns:repeat(12,1fr);gap:var(--s3)}
.say .lb{grid-column:1/4;color:var(--green);padding-top:12px}
.say p{grid-column:5/12;font-weight:200;font-size:clamp(24px,2.6vw,40px);line-height:1.35;color:var(--ink)}

/* ĐẦU KHỐI */
.hd{display:flex;justify-content:space-between;align-items:baseline;padding:var(--s3) 0;border-top:1px solid var(--green);margin-bottom:var(--s3)}
.hd h2{font-weight:300;font-size:24px;line-height:32px;color:var(--ink)}
.hd a{color:var(--green);padding-bottom:4px;border-bottom:1px solid var(--gold)}
.hd a:hover{color:var(--green)}
.sec{padding:0 var(--gut) var(--s7)}

/* BỘ SƯU TẬP */
.cols{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s2)}
.col{display:block}
.col .ph{height:480px;overflow:hidden;background:var(--soft)}
.col img{transition:transform 1.2s cubic-bezier(.2,.7,.1,1)}
.col:hover img{transform:scale(1.04)}
.col .lb{color:var(--green)}
.col h3{font-weight:400;font-size:16px;line-height:24px;color:var(--ink);margin-top:var(--s2)}

/* HÀNG SLAB */
.rowhd{display:flex;justify-content:space-between;align-items:baseline;margin:var(--s5) 0 var(--s2)}
.rowhd:first-of-type{margin-top:0}
.rowhd h3{font-weight:500;color:var(--green)}
.rowhd span{font-size:12px}
.rowtools{display:flex;align-items:center;gap:var(--s1)}
.rowtools button{width:32px;height:32px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;font-size:14px;line-height:1;transition:border-color .2s,color .2s,opacity .2s}
.rowtools button:hover{border-color:var(--green);color:var(--green)}
.rowtools button:disabled{opacity:.3;cursor:default}
.rowtools span{margin-right:var(--s1)}
.row{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 4 * var(--s2)) / 5);gap:var(--s2);overflow-x:auto;scroll-snap-type:x proximity;scroll-behavior:smooth;scrollbar-width:none;cursor:grab}
.row.drag{cursor:grabbing;scroll-snap-type:none;scroll-behavior:auto}
.row.drag a{pointer-events:none}
.row::-webkit-scrollbar{display:none}
.slab{scroll-snap-align:start;display:block}
.slab .ph{height:176px;overflow:hidden;background:var(--soft)}
.slab img{transition:transform 1.2s cubic-bezier(.2,.7,.1,1)}
.slab:hover img{transform:scale(1.06)}
.slab p{display:flex;justify-content:space-between;margin-top:var(--s1);font-size:12px;line-height:16px;gap:var(--s1)}
.slab b{font-weight:400;color:var(--ink)}
.slab:hover b{color:var(--green)}

/* DỰ ÁN */
.projs{display:grid;grid-template-columns:2fr 1fr;gap:var(--s2)}
.proj .ph{height:640px;overflow:hidden;background:var(--soft)}
.proj img{transition:transform 1.2s cubic-bezier(.2,.7,.1,1)}
.proj:hover img{transform:scale(1.03)}
.proj .lb{color:var(--green)}
.proj p{display:flex;justify-content:space-between;margin-top:var(--s2);gap:var(--s2)}
.proj b{font-weight:400;color:var(--ink)}

/* ĐẶT LỊCH */
.visit{background:var(--tint);padding:var(--s8) var(--gut);display:grid;grid-template-columns:repeat(12,1fr);gap:var(--s3);align-items:start}
.vl{grid-column:1/7}
.visit h2{margin-bottom:var(--s3);font-weight:200;font-size:clamp(32px,4.4vw,64px);line-height:1.15;letter-spacing:-1px;color:var(--ink)}
.vl p{max-width:440px}
.fm{grid-column:8/13;display:grid;grid-template-columns:1fr 1fr;gap:var(--s3) var(--s2)}
.fm label{display:block;color:var(--ink)}
.fm .full{grid-column:1/-1}
.fm input,.fm textarea{display:block;width:100%;border:0;border-bottom:1px solid #b9c4b4;background:none;font:inherit;font-size:16px;letter-spacing:0;text-transform:none;color:var(--ink);padding:var(--s1) 0;outline:0;border-radius:0}
.fm input:focus,.fm textarea:focus{border-color:var(--green);box-shadow:0 1px 0 var(--green)}
.fm textarea{resize:vertical;min-height:72px}
.fm button{justify-self:start;border:0;cursor:pointer;font-family:inherit}
.note{grid-column:1/-1;color:var(--green);min-height:24px}
/* HỎI ĐÁP */
.faq{max-width:880px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:var(--s3);padding:var(--s3) 0;color:var(--ink);font-size:16px;font-weight:400}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--green);font-size:20px;line-height:24px}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 var(--s6) var(--s3) 0}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.visit h2 em{font-style:normal;color:var(--green)}
.btn{display:inline-block;background:var(--green);color:#fff;padding:var(--s2) var(--s4);transition:background .2s}
.btn:hover{background:var(--gold);color:var(--ink)}

/* FOOTER */
footer{padding:var(--s6) var(--gut) var(--s4)}
.fcols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--s4)}
.fcols img{height:64px;width:auto;mix-blend-mode:multiply}
footer h4{color:var(--green);margin-bottom:var(--s2)}
footer li{margin-bottom:var(--s1)}
footer a:hover{color:var(--green)}
.nlmsg{margin-top:var(--s1);font-size:12px;color:var(--green)}
.nl{display:flex;max-width:320px;border-bottom:1px solid var(--green);margin-top:var(--s3)}
.nl input{flex:1;min-width:0;border:0;background:none;font:inherit;color:var(--ink);padding:var(--s1) 0;outline:0}
.nl button{border:0;background:none;font-family:inherit;color:var(--green);cursor:pointer}
.copy{margin-top:var(--s6);padding-top:var(--s3);border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12px}

/* KHUNG XEM ĐÁ: toàn màn hình, phóng/kéo, ghép đối xứng */
.slab .ph{position:relative;cursor:zoom-in}
.slab .ph::after{content:"Soi vân";position:absolute;left:var(--s1);bottom:var(--s1);background:#fff;color:var(--green);font-size:11px;line-height:16px;letter-spacing:2px;text-transform:uppercase;padding:4px var(--s1);opacity:0;transition:opacity .2s}
.slab:hover .ph::after{opacity:1}
.vw{position:fixed;inset:0;z-index:50;background:#121311;color:#fff;display:flex;flex-direction:column;opacity:0;visibility:hidden;transition:opacity .35s ease,visibility 0s .35s}
.vw.open{opacity:1;visibility:visible;transition:opacity .35s ease}
.vw-stage{transform:scale(.97);transition:transform .5s cubic-bezier(.2,.7,.1,1)}
.vw.open .vw-stage{transform:none}
.vw-top{height:72px;flex:none;display:flex;align-items:center;justify-content:space-between;gap:var(--s2);padding:0 var(--s3);border-bottom:1px solid rgba(255,255,255,.12)}
.vw-top b{font-weight:300;font-size:20px;line-height:24px;display:block}
.vw-top span{color:#9a9c96}
.vw-x{background:none;border:0;color:#fff;font-size:24px;line-height:24px;width:40px;height:40px;cursor:pointer}
.vw-stage{flex:1;position:relative;overflow:hidden;cursor:grab;touch-action:none}
.vw-stage.drag{cursor:grabbing}
.vw-cv{position:absolute;left:50%;top:50%;display:grid;transform-origin:0 0;will-change:transform}
.vw-cv i{display:block;background-size:cover;background-position:center;animation:tile .45s ease both}
@keyframes tile{from{opacity:0}}
.vw-cv.wz{transition:transform .14s ease-out}
.vw-cv.anim{transition:transform .35s cubic-bezier(.2,.7,.1,1)}
.vw-bot{height:72px;flex:none;display:flex;align-items:center;justify-content:space-between;gap:var(--s2);padding:0 var(--s3);border-top:1px solid rgba(255,255,255,.12)}
.vw-modes{display:flex}
.vw-modes button{transition:color .2s,border-color .2s;background:none;border:1px solid rgba(255,255,255,.25);margin-left:-1px;color:#9a9c96;font-family:inherit;padding:12px var(--s2);cursor:pointer}
.vw-modes button.on{color:#fff;border-color:var(--gold);position:relative;z-index:1}
.vw-hint{color:#9a9c96;font-size:12px}
.vw-cta{background:var(--green);color:#fff;padding:12px var(--s3)}
.vw-cta:hover{background:var(--gold);color:var(--ink)}
@media(max-width:600px){.vw-hint{display:none}.vw-top,.vw-bot{padding:0 var(--s2)}.vw-modes button{padding:12px var(--s1)}.vw-cta{padding:12px var(--s2)}}

/* HIỆN NHẸ KHI CUỘN TỚI */
.rv{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.1,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rv{opacity:1;transform:none;transition:none}img.fade{opacity:1;transition:none}.hero figure.on img{animation:none}.vw,.vw-stage,.vw-cv i{transition:none;animation:none}}

@media(max-width:960px){
 :root{--gut:24px;--s8:96px}
 .nav{grid-template-columns:1fr auto}
 .menu{display:flex;position:absolute;top:83px;left:0;right:0;flex-direction:column;gap:0;background:#fff;box-shadow:0 1px 0 var(--line);padding:0 var(--gut);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .25s cubic-bezier(.2,.7,.1,1),visibility 0s .25s}
 .menu.open{opacity:1;visibility:visible;transform:none;transition:opacity .25s,transform .25s cubic-bezier(.2,.7,.1,1)}
 .rowtools button{display:none}
 .menu>li>a{padding:var(--s2) 0;border-top:1px solid var(--line)}
 .sub{display:none!important}
 .burger{display:block}.tools a{display:none}
 .say .lb,.say p,.vl,.fm{grid-column:1/-1}
 .cols{grid-template-columns:1fr 1fr}
 .col .ph{height:320px}
 .row{grid-auto-columns:calc((100% - 2 * var(--s2)) / 2.5)}
 .projs{grid-template-columns:1fr}
 .proj .ph{height:400px}
 .fcols{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
 :root{--gut:16px;--s8:64px;--s7:64px}
 .logo img{height:48px}
 .hero{min-height:480px}
 .hero nav{display:none}
 .col .ph{height:224px}
 .row{grid-auto-columns:64%}
 .slab .ph{height:128px}
 .proj .ph{height:280px}
 .fcols{grid-template-columns:1fr}
 .copy{flex-direction:column;gap:var(--s1)}
}
/* ============ CHUYỂN ĐỘNG CAO CẤP ============
   Chậm, dài, dứt khoát. Một đường cong duy nhất cho mọi chuyển động. */
:root{--expo:cubic-bezier(.16,1,.3,1)}
html.lenis,html.lenis body{height:auto}
html.lenis{scroll-behavior:auto}
.lenis.lenis-stopped{overflow:hidden}

/* Thanh menu: ẩn khi cuộn xuống, hiện khi cuộn lên */
header{transition:transform .7s var(--expo)}
header.hide{transform:translateY(-100%)}

/* Ảnh đầu trang: tấm mới kéo rèm từ phải sang, chữ trồi lên */
.hero figure{opacity:0;transition:none;z-index:0}
.hero figure.prev{opacity:1;z-index:1}
.hero figure.on{opacity:1;z-index:2;animation:wipe 1.6s var(--expo) both}
@keyframes wipe{from{clip-path:inset(0 0 0 100%)}to{clip-path:inset(0 0 0 0)}}
.hero figure img{transform:scale(1.12)}
.hero figure.on img{animation:drift 9s var(--expo) forwards}
@keyframes drift{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero figcaption{z-index:1;overflow:hidden}
.hero figure.on figcaption b{animation:rise 1.5s var(--expo) .35s both}
.hero figure.on figcaption span{display:block;animation:rise 1.5s var(--expo) .5s both}
@keyframes rise{from{transform:translateY(110%);opacity:0}to{transform:none;opacity:1}}
.hero nav{z-index:3}
.hero nav button{position:relative;padding:var(--s1) 0 12px;min-width:32px;text-align:left;transition:opacity .4s}
.hero nav button.on{box-shadow:none}
.hero nav button::before{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.35)}
.hero nav button::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left}
.hero nav button.on::after{animation:fill 7s linear forwards}
@keyframes fill{to{transform:scaleX(1)}}

/* Ảnh mở ra như kéo rèm từ dưới lên, bên trong thu nhỏ dần về đúng cỡ */
.mk{clip-path:inset(100% 0 0 0);transition:clip-path 1.5s var(--expo)}
.mk.in{clip-path:inset(0 0 0 0)}
.mk.in img{animation:settle 2s var(--expo) backwards}
@keyframes settle{from{transform:scale(1.3)}}
.col img,.proj img,.slab img{transition-duration:.7s,1.8s;transition-timing-function:ease,var(--expo)}
/* Ảnh trôi nhẹ theo cuộn */
.plx img{height:118%;position:relative;top:-9%;will-change:translate}

/* Chữ trồi lên từ dưới đường kẻ */
.ln{display:block;overflow:hidden}
.ln>span{display:block;transform:translateY(105%);transition:transform 1.3s var(--expo)}
.in .ln>span,.ln.in>span{transform:none}
.w{display:inline-block;overflow:hidden;vertical-align:top}
.w>span{display:inline-block;transform:translateY(105%);transition:transform 1.2s var(--expo)}
.in .w>span{transform:none}
.rv{transition:opacity 1.2s ease,transform 1.4s var(--expo)}
.rv.tx{opacity:1;transform:none}

/* Đường kẻ đầu khối tự vẽ từ trái sang */
.hd{border-top-color:transparent;position:relative}
.hd::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform 1.8s var(--expo)}
.hd.in::before{transform:scaleX(1)}

/* Nút: màu dâng từ dưới lên */
.btn{position:relative;overflow:hidden;z-index:0;transition:color .5s var(--expo)}
.btn::before{content:"";position:absolute;inset:0;background:var(--gold);transform:translateY(101%);transition:transform .7s var(--expo);z-index:-1}
.btn:hover{background:var(--green);color:var(--ink)}
.btn:hover::before{transform:none}
.tools a{position:relative;overflow:hidden;z-index:0;transition:color .5s var(--expo)}
.tools a::before{content:"";position:absolute;inset:0;background:var(--green);transform:translateY(101%);transition:transform .7s var(--expo);z-index:-1}
.tools a:hover{background:none;color:#fff}
.tools a:hover::before{transform:none}
/* Link gạch chân chạy */
.hd a{border-bottom:0;background:linear-gradient(var(--gold),var(--gold)) no-repeat left bottom/100% 1px;transition:background-size .7s var(--expo),color .3s}
.hd a:hover{background-size:0 1px;background-position:right bottom}

/* Con trỏ riêng khi rê lên tấm đá */
.cur{position:fixed;left:0;top:0;z-index:40;width:96px;height:96px;margin:-48px 0 0 -48px;border-radius:50%;background:rgba(255,255,255,.94);color:var(--green);display:flex;align-items:center;justify-content:center;pointer-events:none;will-change:transform;opacity:0;transition:opacity .4s}
.cur span{transform:scale(.3);transition:transform .7s var(--expo)}
.cur.on{opacity:1}
.cur.on span{transform:none}
@media(hover:hover) and (pointer:fine){.slab .ph{cursor:none}.slab .ph::after{display:none}}
@media(hover:none),(pointer:coarse){.cur{display:none}}

/* Khung xem đá mở chậm, sâu hơn */
.vw{transition:opacity .6s var(--expo),visibility 0s .6s}
.vw.open{transition:opacity .6s var(--expo)}
.vw-stage{transform:scale(.94);transition:transform 1s var(--expo)}
.vw-top,.vw-bot{transition:transform .9s var(--expo),opacity .9s}
.vw:not(.open) .vw-top{transform:translateY(-100%);opacity:0}
.vw:not(.open) .vw-bot{transform:translateY(100%);opacity:0}

@media(prefers-reduced-motion:reduce){
 .mk{clip-path:none}.ln>span,.w>span{transform:none}.hd::before{transform:none}
 .hero figure.on,.hero figure.on img,.hero figure.on figcaption b,.hero figure.on figcaption span,.mk.in img{animation:none}
 header{transition:none}
}

/* ============ NHIỀU TRANG ============ */
.menu a.here{color:var(--green)}
.tools a.wl{border:0;padding:0;color:var(--ink);overflow:visible}
.tools a.wl::before{display:none}
.tools a.wl:hover{color:var(--green);background:none}
.tools a.wl b{font-weight:500;color:var(--green)}
main{display:block;min-height:60vh}
.vr{grid-column:9/13}
.vr p{margin-bottom:var(--s3)}

/* Đầu trang con */
.crumb{padding:var(--s3) var(--gut) 0;color:var(--text)}
.crumb a:hover{color:var(--green)}
.crumb i{font-style:normal;margin:0 var(--s1);opacity:.5}
.pg{padding:var(--s6) var(--gut) var(--s6);display:grid;grid-template-columns:repeat(12,1fr);gap:var(--s3);align-items:end}
.pg h1{grid-column:1/9;font-weight:200;font-size:clamp(40px,6vw,88px);line-height:1.05;letter-spacing:-1px;color:var(--ink)}
.pg p{grid-column:9/13;padding-bottom:var(--s1)}
.cover{height:min(64vh,640px);overflow:hidden;background:var(--soft);margin-bottom:var(--s7)}

/* Thanh lọc */
.fbar{display:flex;flex-wrap:wrap;gap:var(--s1) var(--s3);align-items:center;padding:var(--s2) 0;border-top:1px solid var(--green);border-bottom:1px solid var(--line)}
.fbar label{display:flex;align-items:center;gap:var(--s1);color:var(--ink)}
.fbar select{appearance:none;-webkit-appearance:none;border:0;background:none;font:inherit;color:var(--text);padding:var(--s1) 20px var(--s1) 0;cursor:pointer;outline-offset:2px;
 background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%232f7d3d' stroke-width='1.2'/%3E%3C/svg%3E") no-repeat right center}
.fbar select.act{color:var(--green);font-weight:500}
.fbar .sp{flex:1}
.fmeta{display:flex;justify-content:space-between;align-items:center;gap:var(--s2);padding:var(--s2) 0 var(--s4);min-height:72px;flex-wrap:wrap}
.chips{display:flex;flex-wrap:wrap;gap:var(--s1)}
.chips button{border:1px solid var(--line);background:#fff;font:inherit;font-size:12px;color:var(--ink);padding:4px 12px;cursor:pointer;transition:border-color .2s,color .2s}
.chips button:hover{border-color:var(--green);color:var(--green)}
.chips button::after{content:" ✕";font-size:10px;opacity:.6}
.chips button.clr{border-color:transparent;color:var(--green)}
.chips button.clr::after{content:""}
.tabs{display:flex;gap:var(--s4);border-top:1px solid var(--green);border-bottom:1px solid var(--line);margin-bottom:var(--s5);overflow-x:auto;scrollbar-width:none}
.tabs button{background:none;border:0;font-family:inherit;color:var(--text);cursor:pointer;padding:var(--s3) 0;position:relative;white-space:nowrap;transition:color .3s}
.tabs button::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--expo)}
.tabs button.on{color:var(--green)}
.tabs button.on::after{transform:scaleX(1)}

/* Lưới thẻ */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s5) var(--s2)}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.card{display:block}
.card .ph{height:240px;overflow:hidden;background:var(--soft);position:relative}
.g3 .card .ph{height:400px}
.g2 .card .ph{height:480px}
.card img{transition:opacity .7s ease,transform 1.8s var(--expo)}
.card:hover img{transform:scale(1.05)}
.card .lb{display:block;color:var(--green);margin-top:var(--s2)}
.card h3{font-weight:400;font-size:16px;line-height:24px;color:var(--ink);transition:color .3s}
.card:hover h3{color:var(--green)}
.card small{display:block;font-size:12px;line-height:16px;margin-top:4px}
.card p{margin-top:var(--s1)}
.empty{grid-column:1/-1;padding:var(--s7) 0;text-align:center}
.slab b a:hover{color:var(--green)}

/* Chi tiết tấm */
.pd{display:grid;grid-template-columns:7fr 5fr;gap:var(--s6);padding:var(--s4) var(--gut) var(--s7);align-items:start}
.pd-img{height:min(72vh,720px);overflow:hidden;background:var(--soft);cursor:zoom-in;position:relative}
.pd-modes{display:flex;margin-top:var(--s2);gap:var(--s1);flex-wrap:wrap}
.pd-modes button{border:1px solid var(--line);background:#fff;font-family:inherit;color:var(--ink);padding:12px var(--s2);cursor:pointer;transition:border-color .2s,color .2s}
.pd-modes button:hover{border-color:var(--green);color:var(--green)}
.pd-info{position:sticky;top:112px}
.pd-info .lb{color:var(--green)}
.pd-info h1{font-weight:200;font-size:clamp(32px,4vw,56px);line-height:1.1;letter-spacing:-1px;color:var(--ink);margin:var(--s1) 0 var(--s2)}
.stock{display:flex;align-items:center;gap:var(--s1);color:var(--ink)}
.stock::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime)}
.pd-act{display:flex;gap:var(--s1);flex-wrap:wrap;margin:var(--s4) 0}
.btn2{display:inline-block;border:1px solid var(--ink);background:none;color:var(--ink);padding:var(--s2) var(--s4);cursor:pointer;font-family:inherit;transition:border-color .3s,color .3s}
.btn2:hover{border-color:var(--green);color:var(--green)}
.btn2.on{border-color:var(--green);color:var(--green)}
button.btn{border:0;cursor:pointer;font-family:inherit}
.spec{display:grid;grid-template-columns:auto 1fr;border-top:1px solid var(--line);margin-top:var(--s3)}
.spec dt,.spec dd{padding:12px 0;border-bottom:1px solid var(--line)}
.spec dt{padding-right:var(--s5)}
.spec dd{color:var(--ink);text-align:right}
.fine{font-size:12px;line-height:16px;margin-top:var(--s3)}

/* Bài viết */
.art{max-width:720px;margin:0 auto;padding:0 var(--gut) var(--s7)}
.art p{font-size:16px;line-height:28px;margin-bottom:var(--s3);color:#4c4e4a}
.art h2{font-weight:400;font-size:20px;line-height:32px;color:var(--ink);margin:var(--s5) 0 var(--s2)}
.art .back{display:inline-block;margin-top:var(--s4);color:var(--green);border-bottom:1px solid var(--gold);padding-bottom:4px}

/* Giới thiệu */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s4)}
.pillars h3{font-weight:400;font-size:16px;line-height:24px;color:var(--ink);margin-bottom:var(--s1);padding-top:var(--s3);border-top:1px solid var(--line)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:var(--s6);align-items:center;padding:0 var(--gut) var(--s7)}
.two .ph{height:560px;overflow:hidden;background:var(--soft)}
.two h2{font-weight:200;font-size:clamp(28px,3.4vw,48px);line-height:1.15;letter-spacing:-1px;color:var(--ink);margin-bottom:var(--s3)}
.two p{margin-bottom:var(--s2);max-width:520px}
.steps{counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:96px 1fr 2fr;gap:var(--s3);padding:var(--s3) 0;border-bottom:1px solid var(--line);align-items:baseline}
.steps li::before{content:"0" counter(s);font-weight:200;font-size:32px;line-height:40px;color:var(--gold)}
.steps h3{font-weight:400;font-size:20px;line-height:32px;color:var(--ink)}

/* Đặt lịch + liên hệ */
.opts{display:grid;grid-template-columns:1fr 1fr;gap:var(--s2);margin-bottom:var(--s4)}
.opt{border:1px solid var(--line);background:#fff;padding:var(--s3);text-align:left;cursor:pointer;font:inherit;color:var(--text);transition:border-color .3s}
.opt b{display:block;font-weight:400;font-size:16px;color:var(--ink);margin-bottom:4px}
.opt:hover{border-color:var(--green)}
.opt.on{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green)}
.book{display:grid;grid-template-columns:5fr 7fr;gap:var(--s6);padding:0 var(--gut) var(--s7);align-items:start}
.book .fm{grid-column:auto}
.book h2{font-weight:400;font-size:20px;line-height:32px;color:var(--ink);margin-bottom:var(--s2)}
.wlist li{display:flex;align-items:center;gap:var(--s2);padding:12px 0;border-bottom:1px solid var(--line)}
.wlist .th{width:72px;height:48px;flex:none;overflow:hidden;background:var(--soft)}
.wlist a{color:var(--ink);flex:1}
.wlist a:hover{color:var(--green)}
.wlist button{border:0;background:none;color:var(--text);cursor:pointer;font-size:14px;padding:var(--s1)}
.wlist button:hover{color:var(--green)}
.info dt{color:var(--green);margin-top:var(--s3)}
.info dd{color:var(--ink);font-size:16px}
.info dd a:hover{color:var(--green)}

/* Hỏi đáp có mục lục */
.faqw{display:grid;grid-template-columns:3fr 9fr;gap:var(--s6);padding:0 var(--gut) var(--s7);align-items:start}
.faqnav{position:sticky;top:112px;border-top:1px solid var(--green)}
.faqnav a{display:block;padding:12px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.faqnav a:hover{color:var(--green)}
.faqw h2{font-weight:400;font-size:20px;line-height:32px;color:var(--ink);margin:var(--s5) 0 0;padding-bottom:var(--s2);border-bottom:1px solid var(--ink)}
.faqw h2:first-child{margin-top:0}
.faqw .faq{max-width:none}

/* Chân trang nhiều cột */
.fcols{grid-template-columns:2fr 1fr 1fr 1fr}

/* Khung xem: link chi tiết */
.vw-more{color:#9a9c96;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:2px;margin-right:var(--s2)}
.vw-more:hover{color:#fff}
.vw-bot .r{display:flex;align-items:center}

@media(max-width:1100px){.menu{gap:var(--s3)}}
@media(max-width:960px){
 .pg h1,.pg p,.vr{grid-column:1/-1}
 .grid{grid-template-columns:repeat(2,1fr)}
 .grid.g3{grid-template-columns:repeat(2,1fr)}
 .g3 .card .ph{height:280px}.g2 .card .ph{height:320px}
 .pd,.two,.book,.faqw{grid-template-columns:1fr;gap:var(--s4)}
 .pd-info,.faqnav{position:static}
 .pd-img{height:56vh}
 .two .ph{height:360px}
 .pillars{grid-template-columns:1fr 1fr}
 .steps li{grid-template-columns:64px 1fr}
 .steps li p{grid-column:2}
 .faqnav{display:flex;gap:var(--s3);overflow-x:auto;white-space:nowrap;scrollbar-width:none}
 .faqnav a{border-bottom:0}
 .tools a.wl{display:block}
}
@media(max-width:600px){
 .grid.g2,.grid.g3{grid-template-columns:1fr}
 .card .ph{height:160px}
 .g3 .card .ph,.g2 .card .ph{height:240px}
 .pillars,.opts{grid-template-columns:1fr}
 .cover{height:40vh;margin-bottom:var(--s6)}
 .vw-more{display:none}
}
.m-only{display:none}
.rowhd h3 a:hover{color:var(--ink)}
@media(hover:hover) and (pointer:fine){.pd-img{cursor:none}}
@media(max-width:960px){.m-only{display:block}}
.pd-info .btn.lb{color:#fff}
.pd-info .btn.lb:hover{color:var(--ink)}
.pd-info .btn2.lb{color:var(--ink)}
.pd-info .btn2.lb:hover,.pd-info .btn2.lb.on{color:var(--green)}

/* ============ CHỮ ============
   Lato 2.0 tự lưu trong assets/fonts (bản có đủ dấu tiếng Việt; bản Lato trên Google Fonts thì không có).
   Kiểu chữ theo Aria: tiêu đề in hoa, nét mảnh, giãn rộng; màu xám. */
@font-face{font-family:Lato;font-weight:100;font-display:swap;src:url(assets/fonts/lato-thin.woff) format("woff")}
@font-face{font-family:Lato;font-weight:300;font-display:swap;src:url(assets/fonts/lato-light.woff) format("woff")}
@font-face{font-family:Lato;font-weight:400;font-display:swap;src:url(assets/fonts/lato-normal.woff) format("woff")}
@font-face{font-family:Lato;font-weight:700;font-display:swap;src:url(assets/fonts/lato-bold.woff) format("woff")}
:root{--ink:#3d4144;--text:#616669}
body{font-size:14px;line-height:24px;letter-spacing:.02em}
.lb{font-weight:400;font-size:11px;letter-spacing:.18em}
.hero figcaption b,.pg h1,.visit h2,.pd-info h1,.two h2,.hd h2,.vw-top b,.art h2,.faqw h2,.book h2,.steps h3,.pillars h3,.card h3,.col h3,.proj b,.slab b,.opt b{text-transform:uppercase;font-weight:300}
.hero figcaption b{font-weight:100;font-size:clamp(30px,4.6vw,68px);line-height:1.15;letter-spacing:.22em}
.pg h1{font-size:clamp(26px,3.4vw,48px);line-height:1.25;letter-spacing:.24em;color:var(--text)}
.visit h2{font-size:clamp(22px,2.8vw,40px);line-height:1.35;letter-spacing:.2em}
.visit h2 em{font-style:normal}
.pd-info h1{font-size:clamp(22px,2.4vw,34px);line-height:1.3;letter-spacing:.2em;margin:var(--s2) 0}
.two h2{font-size:clamp(20px,2.2vw,30px);line-height:1.4;letter-spacing:.18em}
.hd h2{font-size:22px;line-height:32px;letter-spacing:.3em;color:var(--text)}
.say p{font-weight:300;font-size:clamp(20px,2.1vw,30px);line-height:1.5;letter-spacing:.03em;color:var(--text)}
.card h3,.col h3,.slab b{font-weight:400;font-size:13px;line-height:20px;letter-spacing:.14em;color:var(--ink)}
.card h3{margin-top:4px}
.g2 .card h3,.g3 .card h3,.proj b{font-weight:400;font-size:15px;line-height:24px;letter-spacing:.18em}
.art h2,.faqw h2,.book h2{font-weight:400;font-size:15px;line-height:24px;letter-spacing:.24em}
.steps h3,.pillars h3,.opt b{font-weight:400;font-size:14px;line-height:24px;letter-spacing:.2em}
.steps li::before{font-weight:100;font-size:36px}
.faq summary{font-size:15px;line-height:24px;font-weight:400}
.vw-top b{font-size:16px;line-height:24px;letter-spacing:.24em}
.info dd{font-size:16px;line-height:28px}
.art p{font-size:15px;line-height:28px;color:var(--text)}
.card small,.card p{letter-spacing:.02em}
@media(max-width:600px){
 .hd h2{font-size:18px;line-height:28px;letter-spacing:.24em}
 .hero figcaption b{letter-spacing:.16em}
 .pg h1{letter-spacing:.18em}
}

/* ============ NHỊP NHANH HƠN ============ */
.mk{transition-duration:.9s}
.mk.in img{animation-duration:1.2s}
@keyframes settle{from{transform:scale(1.15)}}
.rv{transition:opacity .6s ease,transform .7s var(--expo);transform:translateY(12px)}
.rv.in,.rv.tx{transform:none}
.ln>span{transition-duration:.8s}
.w>span{transition-duration:.7s}
.hd::before{transition-duration:1s}
body img.fade{transition:opacity .4s ease,transform 1.2s var(--expo)}
.hero figure.on{animation-duration:1.1s}
.hero figure.on figcaption b{animation-duration:1s;animation-delay:.2s}
.hero figure.on figcaption span{animation-duration:1s;animation-delay:.3s}
header{transition-duration:.4s}
.vw,.vw.open{transition-duration:.3s}
.vw-stage{transition-duration:.5s}
.vw-top,.vw-bot{transition-duration:.5s}
@media(max-width:960px){.fcols{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.fcols{grid-template-columns:1fr}}

/* ============ TÌM KIẾM, NHÃN TÌNH TRẠNG ============ */
.sbtn{background:none;border:0;cursor:pointer;padding:var(--s1);display:flex}
.sbtn svg{width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:1.4;transition:stroke .2s}
.sbtn:hover svg,.sbtn[aria-expanded=true] svg{stroke:var(--green)}
.srch{position:absolute;left:0;right:0;top:100%;background:#fff;box-shadow:0 1px 0 var(--line),0 24px 48px rgba(0,0,0,.06);padding:var(--s3) var(--gut) var(--s4);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .3s var(--expo),visibility 0s .3s}
.srch.open{opacity:1;visibility:visible;transform:none;transition:opacity .25s,transform .3s var(--expo)}
.srch form{display:flex;align-items:center;gap:var(--s2);border-bottom:1px solid var(--green);max-width:960px;margin:0 auto}
.srch input{flex:1;min-width:0;border:0;outline:0;font:inherit;font-size:20px;font-weight:300;padding:12px 0;color:var(--ink);background:none}
.srch input::-webkit-search-cancel-button{display:none}
.srch form button{border:0;background:none;font-family:inherit;color:var(--green);cursor:pointer;white-space:nowrap}
.sres{max-width:960px;margin:var(--s1) auto 0}
.sres a{display:flex;justify-content:space-between;align-items:baseline;gap:var(--s2);padding:12px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.sres a b{font-weight:400;text-transform:uppercase;letter-spacing:.14em;font-size:13px}
.sres a span{font-size:12px;color:var(--text);text-align:right}
.sres a:hover{color:var(--green)}
.sres p{padding:12px 0}
.fbar input[type=search]{border:0;border-bottom:1px solid var(--line);font:inherit;font-size:13px;text-transform:none;letter-spacing:.02em;padding:6px 0;width:176px;outline:0;background:none;color:var(--ink);border-radius:0}
.fbar input[type=search]:focus{border-color:var(--green)}
.card .ph .tag,.tag{position:absolute;left:var(--s1);top:var(--s1);z-index:1;display:inline-block;margin:0;background:#fff;color:var(--green);padding:4px var(--s1);font-style:normal}
.stock.soon::before{background:var(--gold)}
.copy a:hover{color:var(--green)}
@media(max-width:600px){.srch input{font-size:16px}.fbar input[type=search]{width:100%}.fbar label{flex:1 1 40%}}

/* ============ BỚT HIỆU ỨNG ============
   Giữ: cuộn êm, ảnh hiện dần, kéo rèm cho ảnh lớn, rê chuột, khung xem đá.
   Bỏ: chữ trồi từng chữ/từng dòng, đường kẻ tự vẽ, ảnh trôi theo cuộn, kéo rèm trên thẻ nhỏ. */
.w>span,.ln>span{transform:none!important;transition:none}
.hd::before{transform:none;transition:none}
.plx img{height:100%;top:0;translate:none!important}
.card .mk,.slab .mk{clip-path:none;transition:none}
.card .mk.in img,.slab .mk.in img{animation:none}
.rv{transform:translateY(8px);transition:opacity .5s ease,transform .5s ease}
.rv.in,.rv.tx{transform:none}
.hero figure img{transform:scale(1.04)}
@keyframes drift{from{transform:scale(1.04)}to{transform:scale(1)}}

/* ============ DỄ DÙNG HƠN ============ */
/* Chữ to hơn, đậm màu hơn, bớt giãn */
:root{--ink:#26292b;--text:#4a4e51}
body{font-size:16px;line-height:26px;letter-spacing:.01em}
.lb{font-size:12px;letter-spacing:.14em}
.hero figcaption b,.pg h1,.visit h2,.pd-info h1,.two h2,.hd h2{color:var(--ink)}
.pg h1{letter-spacing:.12em;font-size:clamp(28px,3.6vw,52px)}
.hd h2{font-size:24px;letter-spacing:.14em}
.visit h2{letter-spacing:.1em}
.pd-info h1{letter-spacing:.1em;font-size:clamp(24px,2.6vw,38px)}
.two h2{letter-spacing:.08em}
.card h3,.col h3,.slab b{font-size:14px;line-height:22px;letter-spacing:.08em}
.g2 .card h3,.g3 .card h3,.proj b{font-size:16px;letter-spacing:.1em}
.art h2,.faqw h2,.book h2{font-size:16px;letter-spacing:.14em}
.steps h3,.pillars h3,.opt b{font-size:15px;letter-spacing:.12em}
.faq summary{font-size:17px;line-height:26px}
.card small,.slab p,.rowhd span,.fine,.copy,.chips button,.sres a span,.vw-hint{font-size:13px;line-height:20px}
.say p{color:var(--ink)}
.art p{font-size:17px;line-height:30px}
.srch input{font-size:20px}
.fbar select,.fbar input[type=search]{font-size:14px}
.menu>li>a{font-size:12px}

/* Ảnh đầu trang: nói rõ đây là gì, có nút để bấm */
.hero figure::after{background:linear-gradient(90deg,rgba(18,19,17,.62) 0%,rgba(18,19,17,.3) 55%,rgba(18,19,17,.12) 100%)}
.hero-in{position:absolute;z-index:3;left:var(--gut);right:var(--gut);top:50%;transform:translateY(-50%);color:#fff;max-width:640px}
.hero-in .lb{color:#fff;opacity:.85}
.hero-in h1{font-weight:300;font-size:clamp(30px,4vw,56px);line-height:1.2;letter-spacing:.02em;margin:var(--s2) 0}
.hero-sub{font-size:17px;line-height:28px;max-width:520px;opacity:.92}
.hero-btn{display:flex;flex-wrap:wrap;gap:var(--s1);margin-top:var(--s4)}
.hero-btn .btn2{border-color:rgba(255,255,255,.7);color:#fff}
.hero-btn .btn2:hover{background:#fff;color:var(--ink);border-color:#fff}
.hero figcaption{bottom:var(--s4)}
.hero figcaption b{font-weight:400;font-size:13px;line-height:20px;letter-spacing:.18em;margin-bottom:4px;color:#fff}
.hero figcaption b::before{content:"Đang xem · ";opacity:.7}
.hero nav{bottom:var(--s4)}

/* Nút Phóng to riêng trên ảnh; bấm ảnh thì sang trang chi tiết */
.slab .ph{cursor:auto}
.slab .ph::after{display:none}
.slab .ph a{display:block;height:100%}
.zm{position:absolute;right:var(--s1);bottom:var(--s1);z-index:1;border:0;background:#fff;color:var(--green);padding:6px 10px;cursor:pointer;font-family:inherit;opacity:0;transition:opacity .2s,background .2s,color .2s}
.slab:hover .zm,.zm:focus-visible{opacity:1}
.zm:hover{background:var(--green);color:#fff}
@media(hover:none){.zm{opacity:1}}

/* Thanh liên hệ nhanh và nút lọc: chỉ có trên điện thoại */
.mbar,.ftog{display:none}
@media(max-width:960px){
 .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;box-shadow:0 -1px 0 var(--line)}
 .mbar a{flex:1;text-align:center;padding:18px 8px calc(18px + env(safe-area-inset-bottom));color:var(--ink);font-weight:700;border-left:1px solid var(--line)}
 .mbar a:first-child{border-left:0}
 .mbar a.go{background:var(--green);color:#fff;border-left:0}
 body{padding-bottom:60px}
 .tools a.wl{font-size:11px}
}
@media(max-width:600px){
 body{font-size:16px}
 .hero-in h1{font-size:28px}
 .hero-sub{font-size:16px;line-height:26px}
 .hero figcaption{display:none}
 .hero-btn .btn,.hero-btn .btn2{flex:1 1 100%;text-align:center}
 .ftog{display:block;width:100%;border:1px solid var(--green);background:#fff;color:var(--green);padding:14px;font-family:inherit;cursor:pointer}
 .fbar{display:none;border-top:0}
 .fbar.open{display:flex}
 .fbar label{flex:1 1 100%;justify-content:space-between}
 .fbar .sp{display:none}
}
/* Không cắt dấu tiếng Việt ở chữ in hoa (Ỗ, Ấ...) */
.ln,.w{overflow:visible}
.tools a{white-space:nowrap}
.tools{gap:var(--s2)}
.sheetlink{display:inline-block;margin-top:var(--s3);color:var(--green)!important;border-bottom:1px solid var(--gold);padding-bottom:4px}
.sheetlink:hover{color:var(--ink)!important}

/* Con trỏ phóng to: vòng tròn nhỏ, trong mờ, có dấu cộng */
.cur{width:48px;height:48px;margin:-24px 0 0 -24px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.85);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);box-shadow:0 2px 12px rgba(0,0,0,.18);transition:opacity .25s}
.cur svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:1.25;transform:scale(.4);transition:transform .4s var(--expo)}
.cur.on svg{transform:none}
.cur{box-shadow:0 0 0 1px rgba(0,0,0,.22),0 2px 12px rgba(0,0,0,.18);background:rgba(30,32,30,.28)}

/* ============ HỆ THỐNG MẪU: giá, giỏ, tài khoản, quản trị ============ */
.tools a.acc{border:0;padding:var(--s1);display:flex;overflow:visible}
.tools a.acc::before{display:none}
.tools a.acc:hover{background:none}
.acc svg{width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:1.4;transition:stroke .2s}
.acc:hover svg{stroke:var(--green)}
.card small.pr,.wlist .pr{color:var(--ink);font-size:15px;line-height:24px;font-weight:700;letter-spacing:.01em}
.price{font-size:24px;line-height:32px;color:var(--ink);margin-top:var(--s2)}
button.btn:disabled{background:#b9bdb8;cursor:not-allowed}
button.btn:disabled::before{display:none}
.cart li{align-items:center}
.qty{display:flex;align-items:center;border:1px solid var(--line)}
.qty b{min-width:32px;text-align:center;font-weight:400;color:var(--ink)}
.wlist .qty button{width:36px;height:36px;font-size:18px;color:var(--ink)}
.wlist .qty button:disabled{opacity:.3;cursor:default}
.total{display:flex;justify-content:space-between;align-items:baseline;padding:var(--s3) 0 var(--s1);color:var(--ink)}
.total b{font-size:24px;font-weight:400}
.fm h2{margin:0}
.acc2{grid-template-columns:1fr 1fr}
.orders{border-top:1px solid var(--line)}
.order{display:grid;grid-template-columns:140px 1fr auto 140px;gap:var(--s3);align-items:center;padding:var(--s3) 0;border-bottom:1px solid var(--line);color:var(--ink)}
.order b{display:block;font-weight:700}
.order .lb{color:var(--text)}
.st{display:inline-block;padding:4px 10px;font-size:12px;line-height:16px;text-align:center;white-space:nowrap;border:1px solid}
.st-cho-xac-nhan{color:#9a6a00;border-color:#e3c98a;background:#fdf6e3}
.st-da-giu{color:var(--green);border-color:#b9d9bf;background:#f1f8f2}
.st-da-ban{color:#fff;border-color:var(--green);background:var(--green)}
.st-da-huy{color:#8a8d8f;border-color:var(--line);background:#f4f4f2}
@media(max-width:960px){.tools a.acc{display:flex}.acc2{grid-template-columns:1fr}.order{grid-template-columns:1fr auto;gap:var(--s1) var(--s2)}}

/* Trang quản trị */
body.adm{background:#f5f5f3;padding:0;font-size:15px;line-height:24px}
.adm-gate{max-width:420px;margin:10vh auto;background:#fff;padding:var(--s5);border:1px solid var(--line)}
.adm-gate img{height:64px;width:auto;margin-bottom:var(--s3);mix-blend-mode:multiply}
.adm-gate h1{font-weight:400;font-size:22px;line-height:32px;color:var(--ink);margin-bottom:var(--s1)}
.adm-gate>a{display:inline-block;margin-top:var(--s3);color:var(--green)}
.adm-form{display:grid;gap:var(--s2);margin-top:var(--s3)}
.adm-form.grid{grid-template-columns:repeat(3,1fr);background:#fff;border:1px solid var(--line);padding:var(--s3);margin:0 0 var(--s3)}
.adm-form.grid h3{grid-column:1/-1;font-weight:700;color:var(--ink)}
.adm-form .w2{grid-column:1/-1}
.adm-form label{display:block;font-size:13px;color:var(--text)}
.adm-form input,.adm-form select,.adm-form textarea,.adm-t input,.adm-t select{display:block;width:100%;border:1px solid #cfd2cd;background:#fff;font:inherit;font-size:15px;color:var(--ink);padding:8px 10px;border-radius:0;margin-top:4px}
.adm-form textarea{min-height:72px;resize:vertical}
.adm-form input:focus,.adm-form select:focus,.adm-form textarea:focus,.adm-t input:focus,.adm-t select:focus{outline:2px solid var(--green);outline-offset:-1px}
.adm-act{display:flex;align-items:center;gap:var(--s1);flex-wrap:wrap}
.adm-note{color:#b3261e;font-size:13px;min-height:20px}
.abtn{border:1px solid #cfd2cd;background:#fff;color:var(--ink);font:inherit;font-size:14px;padding:8px 16px;cursor:pointer}
.abtn:hover{border-color:var(--green);color:var(--green)}
.abtn.pri{background:var(--green);border-color:var(--green);color:#fff}
.abtn.pri:hover{background:#256731;color:#fff}
.adm-top{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:var(--s3);padding:0 var(--s3);height:64px;box-shadow:none;transform:none}
.adm-top::before{display:none}
.adm-top img{height:44px;width:auto;mix-blend-mode:multiply}
.adm-tabs{display:flex;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
.adm-tabs button{border:0;background:none;font:inherit;font-size:14px;color:var(--text);padding:20px 12px;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent}
.adm-tabs button.on{color:var(--green);border-color:var(--green);font-weight:700}
.adm-r{display:flex;align-items:center;gap:var(--s2);white-space:nowrap}
.adm-r a{color:var(--green);font-size:14px}
.adm-demo{background:#fdf6e3;color:#7a5600;font-size:13px;padding:8px var(--s3);border-bottom:1px solid #e3c98a}
.adm-main{max-width:1280px;margin:0 auto;padding:var(--s3)}
.adm-main h2{font-weight:700;font-size:16px;line-height:24px;color:var(--ink);margin-bottom:var(--s2)}
.adm-main section h2+p,.adm-main section p{margin-bottom:var(--s2)}
.adm-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--s2)}
.adm-bar h2{margin:0}
.tiles{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--s2);margin-bottom:var(--s3)}
.tiles div{background:#fff;border:1px solid var(--line);padding:var(--s2)}
.tiles span{display:block;font-size:13px;line-height:20px}
.tiles b{display:block;font-size:22px;line-height:32px;font-weight:700;color:var(--ink)}
.tiles small{font-size:12px}
.adm-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--s3)}
.adm-2 section{background:#fff;border:1px solid var(--line);padding:var(--s3)}
.adm-2 section h2:not(:first-child){margin-top:var(--s3)}
.bars{display:grid;grid-template-columns:repeat(7,1fr);gap:var(--s1);height:200px;align-items:end}
.bars div{display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;font-size:12px}
.bars i{display:block;width:100%;min-height:2px;background:var(--green);order:2}
.bars b{order:1;color:var(--ink);font-weight:400}
.bars span{order:3;margin-top:4px}
.adm-list{list-style:none}
.adm-list li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.adm-list b{font-weight:400;color:var(--text)}
.adm-scroll{overflow-x:auto;background:#fff;border:1px solid var(--line)}
.adm-t{width:100%;border-collapse:collapse;font-size:14px;min-width:920px}
.adm-t th{text-align:left;font-weight:700;font-size:12px;color:var(--text);padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.adm-t td{padding:8px 12px;border-bottom:1px solid var(--line);vertical-align:middle;color:var(--ink)}
.adm-t td img{width:56px;height:40px;object-fit:cover;background:var(--soft)}
.adm-t td b{font-weight:700}
.adm-t input,.adm-t select{margin:0;width:140px;padding:6px 8px}
.adm-t .stk{white-space:nowrap}
.adm-t .stk input{display:inline-block;width:64px;text-align:center}
.adm-t .stk button{width:32px;height:34px;border:1px solid #cfd2cd;background:#fff;cursor:pointer;font-size:16px;vertical-align:top}
.adm-t .acts{white-space:nowrap}
.adm-t .acts a,.adm-t .acts button{border:0;background:none;font:inherit;font-size:14px;color:var(--green);cursor:pointer;margin-right:12px;padding:4px 0}
.adm-t .acts button[data-a=xoa]{color:#b3261e}
.adm-don{background:#fff;border:1px solid var(--line);padding:var(--s3);margin-bottom:var(--s2)}
.adm-don header{display:flex;align-items:center;gap:var(--s2);margin-bottom:var(--s1);position:static;background:none;box-shadow:none;transform:none}
.adm-don header::before{display:none}
.adm-don header b{font-size:16px;color:var(--ink)}
.adm-don header .st{margin-left:auto}
.adm-don p{color:var(--ink)}
.adm-don .gc{color:var(--text);font-size:14px}
.adm-don ul{list-style:none;margin:var(--s2) 0;border-top:1px solid var(--line)}
.adm-don li{display:flex;justify-content:space-between;gap:var(--s2);padding:8px 0;border-bottom:1px solid var(--line)}
.adm-don .sum{color:var(--ink);font-weight:700;border-bottom:0}
@media(max-width:960px){.tiles{grid-template-columns:repeat(2,1fr)}.adm-2,.adm-form.grid{grid-template-columns:1fr}.adm-top{flex-wrap:wrap;height:auto;padding:8px var(--s2)}.adm-tabs{order:3;flex-basis:100%}.adm-tabs button{padding:12px 8px}.adm-r{margin-left:auto}}
@media(max-width:1440px){.menu{gap:var(--s3)}.nav{grid-template-columns:auto 1fr auto;gap:var(--s3)}.menu{justify-content:center}}

/* ============ ĐIỆN THOẠI: vùng chạm tối thiểu ~44px ============ */
@media(max-width:960px){
 .tools{gap:0}
 .tools a.wl{padding:14px 6px;line-height:16px}
 .sbtn,.tools a.acc{padding:13px}
 .burger{padding:10px}
 .hd{align-items:center}
 .hd a{padding:12px 0 8px}
 .rowhd{align-items:center}
 .rowhd h3 a{display:inline-block;padding:14px 0}
 .sheetlink,.art .back{padding-top:12px;padding-bottom:12px}
 .info dd a,.fine a,.pg p a{display:inline-block;padding:8px 0}
 .adm-gate>a{padding:10px 0}
 .chips button{padding:10px 12px}
 .faqnav a{padding:14px 0}
}
@media(max-width:600px){
 .cart li{flex-wrap:wrap;row-gap:var(--s1)}
 .cart li>a{flex:1 1 calc(100% - 88px);min-width:0}
 .cart .qty{margin-left:88px}
 .cart li>button{margin-left:auto;width:44px;height:44px}
 .wlist .qty button{width:44px;height:44px}
 .adm-main{padding:var(--s2)}
 .adm-bar{flex-wrap:wrap;gap:var(--s1)}
 .adm-don header{flex-wrap:wrap}
 .adm-don li{flex-direction:column;gap:0}
 .abtn{padding:12px 16px}
 .adm-t .stk button{width:40px;height:40px}
 .adm-t .stk input{height:40px}
}

/* ============ THEO 5 NGUYÊN TẮC UI/UX ============ */
/* Phản hồi: thông báo nổi */
.toast{position:fixed;left:50%;bottom:var(--s4);z-index:60;transform:translate(-50%,16px);background:var(--ink);color:#fff;padding:14px 20px;display:flex;align-items:center;gap:var(--s3);max-width:calc(100vw - 32px);opacity:0;visibility:hidden;transition:opacity .25s,transform .3s var(--expo),visibility 0s .3s;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.toast.on{opacity:1;visibility:visible;transform:translate(-50%,0);transition:opacity .25s,transform .3s var(--expo)}
.toast b{font-weight:700}
.toast a{color:#fff;border-bottom:1px solid var(--gold);padding-bottom:2px;white-space:nowrap}
@media(max-width:960px){.toast{bottom:76px;width:calc(100vw - 32px);justify-content:space-between}}
/* Tương phản nhãn trạng thái đạt 4,5:1 */
.st-cho-xac-nhan{color:#7a5300}
.st-da-huy{color:#5f6366}
/* Một nút chính, đặt lịch là link phụ */
.pd-act{margin-bottom:var(--s2)}
.sub2{margin-bottom:var(--s4)}
.sub2 a{color:var(--green);border-bottom:1px solid var(--gold);padding-bottom:2px}
button.vw-cta{border:0;cursor:pointer;font-family:inherit}
/* Trang chủ: các loại còn lại thành link */
.more-types{display:flex;flex-wrap:wrap;align-items:center;gap:var(--s2) var(--s4);margin-top:var(--s5);padding-top:var(--s3);border-top:1px solid var(--line)}
.more-types>a:not(.btn){color:var(--ink);text-transform:uppercase;letter-spacing:.1em;font-size:14px;padding:8px 0}
.more-types>a:not(.btn):hover{color:var(--green)}
.more-types small{color:var(--text);font-size:13px;letter-spacing:0}
.more-types .btn{margin-left:auto}
@media(max-width:600px){.more-types .btn{margin-left:0;flex:1 1 100%;text-align:center}}