:root{--primary:#111;--accent:#e2231a;--text:#444;--muted:#888;--line:#e5e5e5;--soft:#f3f3f3;--wrap:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:14px/1.55 "Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
button,input,select,textarea{font:inherit}
.sr{position:absolute;left:-9999px}

/* ---------- header */
.hd{background:#fff;border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:28px;padding:10px 16px}
.logo{display:flex;flex-direction:column;align-items:center;flex:0 0 auto;line-height:1;color:var(--primary)}
.logo b{font-family:"Cinzel",Georgia,"Times New Roman",serif;font-weight:600;font-size:34px;letter-spacing:.18em}
.logo small{font-size:10.5px;letter-spacing:.42em;margin-top:8px;color:#333;text-transform:uppercase}
.logo img{max-height:64px;width:auto}
.hd-mid{flex:1;min-width:0}
.socials{display:flex;gap:18px;margin:0 0 6px 10px}
.socials a{width:20px;height:20px;display:grid;place-items:center;color:#222}
.socials svg{width:17px;height:17px;fill:currentColor}
.search{display:flex;background:#e9ecf3;border-radius:2px}
.search input{flex:1;border:0;background:transparent;padding:10px 12px;outline:0;min-width:0}
.search button{border:0;background:transparent;padding:0 14px;cursor:pointer;color:#111}
.search svg{width:20px;height:20px}
.hd-right{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex:0 0 auto}
.hd-phone{font-size:13px;color:#222;display:flex;gap:6px;align-items:center}
.hd-phone svg{width:13px;height:13px}
.hd-icons{display:flex;gap:12px}
.hd-icon{display:flex;flex-direction:column;align-items:center;font-size:13px;color:#222;position:relative}
.hd-icon i{width:38px;height:38px;border-radius:50%;background:#111;display:grid;place-items:center;margin-bottom:3px}
.hd-icon i svg{width:18px;height:18px;fill:#fff}
.hd-icon .badge{position:absolute;top:-4px;right:2px;background:var(--accent);color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 4px;border:2px solid #fff}
.burger{display:none;border:0;background:none;padding:6px;cursor:pointer}
.burger svg{width:26px;height:26px}

/* ---------- nav */
.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav ul{list-style:none;margin:0;padding:0}
.nav>.wrap>ul{display:flex;justify-content:center;flex-wrap:wrap}
.nav li{position:relative}
.nav>.wrap>ul>li>a{display:flex;align-items:center;gap:4px;padding:12px 12px;font-size:14.5px;color:#222;white-space:nowrap}
.nav>.wrap>ul>li>a:hover,.nav>.wrap>ul>li.on>a{color:var(--accent)}
.nav .chev{width:10px;height:10px}
.nav .hot{position:absolute;top:-1px;right:-6px;background:var(--accent);color:#fff;font-size:9px;font-style:italic;padding:1px 4px;border-radius:2px;line-height:1.2}
.nav .sub{position:absolute;left:0;top:100%;min-width:250px;background:#fff;border:1px solid var(--line);border-top:2px solid var(--primary);box-shadow:0 8px 24px rgba(0,0,0,.08);padding:6px 0;display:none;z-index:60}
.nav li:hover>.sub{display:block}
.nav .sub a{display:block;padding:7px 16px;color:#333;font-size:13.5px}
.nav .sub a:hover{background:var(--soft);color:var(--accent)}
.nav .sub .sub{left:100%;top:-7px}
.nav .sub.mega{columns:3;column-gap:0;width:min(820px,92vw);padding:10px 6px}
.nav .sub.mega li{break-inside:avoid}

/* ---------- slider */
.slider{position:relative;overflow:hidden;background:#ddd}
.slides{display:flex;transition:transform .6s ease}
.slide{flex:0 0 100%;position:relative}
.slide img{width:100%;aspect-ratio:16/5.8;object-fit:cover}
.slide .cap{position:absolute;left:5%;bottom:14%;color:#111;max-width:46%}
.slide .cap h2{font-family:"Cinzel",Georgia,serif;font-size:clamp(22px,4vw,54px);margin:0;line-height:1.05;text-shadow:0 1px 0 rgba(255,255,255,.4)}
.slide .cap p{font-size:clamp(13px,1.4vw,18px);margin:10px 0 0}
.dots{position:absolute;bottom:14px;left:0;right:0;display:flex;justify-content:center;gap:8px}
.dots button{width:11px;height:11px;border:1px solid #fff;background:transparent;padding:0;cursor:pointer;opacity:.8}
.dots button.on{background:#fff}

/* ---------- section titles */
.sec{padding:26px 0 10px}
.sec-t{display:flex;align-items:center;justify-content:center;gap:14px;margin:0 0 18px;font-weight:400;font-size:26px;letter-spacing:.04em;text-transform:uppercase;color:#272727;text-align:center}
.sec-t:before,.sec-t:after{content:"";width:64px;height:1px;background:#333}
.sec-t a:hover{color:var(--accent)}
.more{display:flex;justify-content:center;margin:18px 0 8px}
.btn-o{display:inline-flex;align-items:center;gap:6px;border:1px solid #111;padding:8px 22px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;background:#fff;color:#111;cursor:pointer}
.btn-o:hover{background:#111;color:#fff}

/* tiles */
.tiles{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 4*18px)/5);gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px}
.tiles::-webkit-scrollbar{display:none}
.tile{position:relative;scroll-snap-align:start;background:var(--soft);aspect-ratio:1;overflow:hidden}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.tile:hover img{transform:scale(1.05)}
.tile span{position:absolute;left:0;right:0;bottom:0;background:rgba(120,120,120,.72);color:#fff;font-size:17px;font-weight:700;text-align:center;padding:9px 8px;line-height:1.2}
.tile .ph{width:100%;height:100%;display:grid;place-items:center;font-family:"Cinzel",serif;font-size:22px;color:#999;text-align:center;padding:14px}

/* tabs */
.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:0 auto 20px;max-width:1080px}
.tabs button{border:1px solid #222;background:#fff;color:#222;padding:5px 14px;font-size:14px;cursor:pointer;letter-spacing:.02em}
.tabs button.on,.tabs button:hover{background:#111;color:#fff}
.tabpane{display:none}.tabpane.on{display:block}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px 18px}
.grid.g4{grid-template-columns:repeat(4,1fr)}
.card{text-align:center}
.card .im{display:block;aspect-ratio:1;background:#f6f6f6;overflow:hidden;position:relative}
.card .im img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .im img{transform:scale(1.05)}
.card .sale{position:absolute;top:8px;left:8px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:2px 6px}
.card h3{font-size:15px;font-weight:400;color:#222;margin:10px 4px 3px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .pr{font-size:13px;font-weight:700;color:var(--accent)}
.card .old{font-size:13px;color:#666;text-decoration:line-through}
.card .contact{font-size:13px;font-weight:700;color:#111}
.noimg{width:100%;height:100%;display:grid;place-items:center;color:#bbb;font-size:12px}

/* ---------- home with vertical category menu (desktop) */
.home-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:26px;padding-top:22px;align-items:start}
.home-main .wrap{padding:0;max-width:none}
.home-main .sec{padding:0 0 26px}
.home-main .sec-t{justify-content:flex-start;background:#f5f5f5;border:1px solid var(--line);padding:9px 16px;font-size:16px;font-weight:700;letter-spacing:.02em;margin-bottom:16px}
.home-main .sec-t:before,.home-main .sec-t:after{display:none}
.home-main .grid{grid-template-columns:repeat(4,1fr)}
.home-main .more{justify-content:flex-end;margin-top:12px}
.home-main .sec-category_tiles{display:none}
.side-box.big h4{text-align:center;font-size:15px;padding:13px 10px;background:#f5f5f5}
.side-box.big ul{padding:0}
.side-box.big li a{padding:10px 14px;font-size:15px;color:#222}
.side-box.big li a:hover{background:#111;color:#fff}

/* ---------- breadcrumb */
.bc{background:#111;color:#ddd;font-size:13px}
.bc .wrap{padding-top:9px;padding-bottom:9px;display:flex;flex-wrap:wrap;gap:6px}
.bc a{color:#ddd}.bc b{color:#fff}
.bc span:after{content:"/";margin-left:6px;color:#888}

/* ---------- category page */
.cat-layout{display:grid;grid-template-columns:270px 1fr;gap:28px;padding:24px 0 40px}
.side-box{border:1px solid var(--line);margin-bottom:22px}
.side-box h4{margin:0;padding:12px 14px;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:#111;border-bottom:1px solid var(--line);background:#fafafa}
.side-box ul{list-style:none;margin:0;padding:6px 14px}
.side-box li{border-bottom:1px dotted #e6e6e6}
.side-box li:last-child{border:0}
.side-box li a{display:flex;justify-content:space-between;padding:8px 0;font-size:13.5px;color:#333}
.side-box li a.on{color:var(--accent);font-weight:700}
.side-box li ul{padding:0 0 4px 12px}
.side-box li ul a{font-size:13px;color:#666;padding:5px 0}
.side-box em{font-style:normal;color:#aaa;font-size:12px}
.cat-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.cat-head h1{font-size:22px;color:#111;margin:0;font-weight:700}
.cat-head select{border:1px solid #ccc;padding:5px 8px;background:#fff}
.subcats{display:flex;flex-wrap:wrap;gap:8px;margin:-4px 0 18px}
.subcats a{border:1px solid #ddd;padding:4px 12px;font-size:13px}
.subcats a:hover{border-color:#111}
.cat-desc{margin-top:30px;border-top:1px solid var(--line);padding-top:18px}
.pager{display:flex;gap:6px;justify-content:center;margin:30px 0 0;flex-wrap:wrap}
.pager a,.pager span{min-width:34px;height:34px;border:1px solid #ddd;display:grid;place-items:center;padding:0 8px;font-size:13px}
.pager .on{background:#111;color:#fff;border-color:#111}
.empty{padding:40px;text-align:center;color:var(--muted);border:1px dashed #ddd}

/* ---------- product page */
.pd{display:grid;grid-template-columns:minmax(0,46%) 1fr;gap:34px;padding:26px 0}
.gal-main{aspect-ratio:1;background:#f6f6f6;overflow:hidden;cursor:zoom-in}
.gal-main img{width:100%;height:100%;object-fit:contain}
.gal-th{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:8px}
.gal-th button{border:1px solid transparent;padding:0;background:#f6f6f6;aspect-ratio:1;cursor:pointer;opacity:.75}
.gal-th button.on,.gal-th button:hover{border-color:#111;opacity:1}
.gal-th img{width:100%;height:100%;object-fit:cover}
.pd h1{font-size:22px;color:#111;margin:0 0 12px;line-height:1.3}
.pd .meta{font-size:13.5px;color:#555;margin:0 0 4px}
.pd .meta b{color:#222;font-weight:400}
.pd .short{margin:12px 0;color:#444}
.pd .short p{margin:0 0 6px}
.pd .price{display:flex;align-items:baseline;gap:12px;margin:16px 0}
.pd .price .now{font-size:22px;font-weight:700;color:var(--accent)}
.pd .price .old{color:#777;text-decoration:line-through;font-size:14px}
.pd .price .contact{font-size:20px;font-weight:700;color:#111}
.qty{display:flex;align-items:center;margin:6px 0 16px}
.qty button{width:32px;height:32px;border:1px solid #ccc;background:#fff;cursor:pointer}
.qty input{width:48px;height:32px;border:1px solid #ccc;border-left:0;border-right:0;text-align:center}
.buy-row{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;background:#111;color:#fff;padding:12px 26px;font-size:13px;font-weight:700;text-transform:uppercase;cursor:pointer;letter-spacing:.03em;min-width:200px}
.btn:hover{background:#333;color:#fff}
.btn.red{background:var(--accent)}.btn.red:hover{filter:brightness(.92)}
.btn.zalo{background:#0068ff}.btn.zalo:hover{background:#0056d6}
.buy-hint{font-size:13px;color:#666;margin:10px 0 0}
.pd .note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0;margin-top:18px;font-size:13px;color:#888;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.share{display:flex;gap:12px}.share a{color:#888}
.ship{background:#fafafa;border:1px solid var(--line);padding:12px 14px;font-size:13px;margin-top:14px}
.ptabs{border-bottom:1px solid #ccc;display:flex;margin-top:20px}
.ptabs span{border:1px solid #ccc;border-bottom:0;border-top:2px solid #111;padding:10px 24px;font-size:13px;font-weight:700;text-transform:uppercase;background:#fff;margin-bottom:-1px;color:#111}
.content{padding:18px 6px;overflow-wrap:anywhere}
.content img{height:auto;margin:10px auto}
.content table{border-collapse:collapse;max-width:100%}
.content td,.content th{border:1px solid #ddd;padding:6px 8px}
.content iframe{max-width:100%}
.content .hashtags{color:#1a5fb4;font-size:13.5px;word-spacing:4px;border-top:1px dashed #ddd;padding-top:12px;margin-top:18px}
.content h2{font-size:20px;color:#111;margin:4px 0 12px}.content h3{font-size:16px;color:#111;margin:20px 0 8px}
.attrs{border-collapse:collapse;margin:10px 0}
.attrs td{border:1px solid #eee;padding:6px 12px}

/* ---------- posts */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card .im{aspect-ratio:16/10;background:#f3f3f3;overflow:hidden;display:block}
.post-card .im img{width:100%;height:100%;object-fit:cover}
.post-card h3{font-size:16px;margin:10px 0 4px;color:#111}
.post-card p{margin:0;color:#777;font-size:13px}
.post-card time{font-size:12px;color:#999}
.article{max-width:860px;margin:0 auto;padding:28px 0 40px}
.article h1{font-size:26px;color:#111;margin:0 0 6px}

/* ---------- forms */
.form{display:grid;gap:10px;max-width:520px}
.form input,.form textarea{border:1px solid #ccc;padding:10px 12px;width:100%}
.alert{padding:10px 14px;background:#fff4e5;border:1px solid #ffd59a;margin:10px 0}
.alert.ok{background:#e9f8ee;border-color:#a6e2bb}
.two{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.cart-table{width:100%;border-collapse:collapse}
.cart-table td,.cart-table th{border-bottom:1px solid var(--line);padding:10px 6px;text-align:left;vertical-align:middle}
.cart-table img{width:64px;height:64px;object-fit:cover}
.cart-table input{width:56px;padding:4px;border:1px solid #ccc;text-align:center}
.cart-total{font-size:18px;text-align:right;margin:14px 0}
.cart-total b{color:var(--accent)}
.rm{border:0;background:none;color:#999;cursor:pointer;font-size:18px}

/* ---------- footer */
.ft{background:#000;color:#b5b5b5;margin-top:30px;font-size:14px}
.ft h5{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.02em;margin:0 0 14px;font-weight:700;font-stretch:condensed}
.ft-cols{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:28px;padding:38px 16px 24px}
.ft ul{list-style:none;margin:0;padding:0}
.ft li{margin:0 0 6px}
.ft a:hover{color:#fff}
.ft .socials a{width:34px;height:34px;border-radius:50%;background:#fff;color:#000}
.ft .socials{margin:0;gap:12px}
.ft-mid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #222;border-bottom:1px solid #222;margin:0 16px}
.ft-mid>div{padding:20px 10px;border-right:1px solid #222}
.ft-mid>div:last-child{border:0}
.pay{display:flex;gap:16px;font-style:italic;font-weight:700;color:#bbb;font-size:15px;flex-wrap:wrap}
.ship-logo{font-size:30px;font-weight:800;color:#e2231a;letter-spacing:-.02em}
.ft-bot{padding:16px;font-size:12.5px;color:#888}

/* ---------- floating */
.fab-call{position:fixed;left:18px;bottom:76px;z-index:80;width:56px;height:56px;border-radius:50%;background:#29b6f6;display:grid;place-items:center;box-shadow:0 0 0 8px rgba(41,182,246,.18);animation:ring 1.8s infinite}
.fab-call svg{width:26px;height:26px;fill:#fff}
.fab-zalo{position:fixed;left:18px;bottom:146px;z-index:80;width:56px;height:56px;border-radius:50%;background:#0068ff;color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(41,182,246,.35)}50%{box-shadow:0 0 0 12px rgba(41,182,246,0)}}
.totop{position:fixed;right:0;bottom:0;width:66px;height:66px;z-index:80;background:linear-gradient(135deg,transparent 50%,#111 50%);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:flex-end;justify-content:flex-end;padding:0 8px 8px 0;border:0;cursor:pointer}
.toast{position:fixed;left:50%;top:20px;transform:translateX(-50%);background:#111;color:#fff;padding:10px 18px;z-index:200;font-size:14px;opacity:0;transition:.3s;pointer-events:none}
.toast.on{opacity:1}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:150;display:none;place-items:center;cursor:zoom-out}
.lightbox.on{display:grid}
.lightbox img{max-width:94vw;max-height:92vh}

/* ---------- responsive */
@media (max-width:1100px){.grid{grid-template-columns:repeat(4,1fr)}.tiles{grid-auto-columns:calc((100% - 3*18px)/4)}}
@media (max-width:900px){
 .hd-in{flex-wrap:wrap;gap:10px}
 .burger{display:block;order:0}
 .logo{order:1;flex:1}
 .logo b{font-size:24px}.logo small{font-size:8.5px;letter-spacing:.3em}
 .hd-right{order:2}.hd-phone{display:none}.hd-icon span{display:none}
 .hd-mid{order:3;flex:0 0 100%}.socials{display:none}
 .nav{position:fixed;inset:0 25% 0 0;transform:translateX(-102%);transition:.3s;overflow:auto;border-right:1px solid var(--line);z-index:120}
 .nav.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.4)}
 .nav>.wrap>ul{flex-direction:column}
 .nav>.wrap>ul>li>a{border-bottom:1px solid #eee;justify-content:space-between}
 .nav .sub{position:static;display:block;border:0;box-shadow:none;padding:0 0 6px 12px}
 .nav .hot{position:static}
 .nav .sub.mega{columns:1;width:auto}
 .grid,.grid.g4{grid-template-columns:repeat(3,1fr);gap:16px 12px}
 .tiles{grid-auto-columns:calc((100% - 2*12px)/3);gap:12px}
 .cat-layout{grid-template-columns:1fr}
 .home-layout{grid-template-columns:1fr;padding-top:12px;gap:8px}.home-main .sec{padding-top:18px}.home-main .grid{grid-template-columns:repeat(3,1fr)}
 .cat-layout aside{order:-1}
 /* mobile: category list first, like the old site */
 .catmenu{border:0;margin-bottom:6px}
 .catmenu h4{display:none}
 .catmenu ul{padding:0}
 .catmenu li{border:0;margin:0 0 8px}
 .catmenu li a{background:#eee;padding:14px 18px;font-size:16px;letter-spacing:.02em;color:#222}
 .catmenu li a.on{background:#111;color:#fff}
 .catmenu li ul{padding:6px 0 0 14px}
 .catmenu li ul li a{background:#f6f6f6;padding:11px 16px;font-size:15px}
 .side-box.support{display:none}
 .pd{grid-template-columns:1fr}
 .ft-cols{grid-template-columns:1fr 1fr}.ft-mid{grid-template-columns:1fr}.ft-mid>div{border-right:0;border-bottom:1px solid #222}
 .posts{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr}
 .slide .cap{max-width:70%}
}
@media (max-width:560px){
 .grid,.grid.g4,.home-main .grid{grid-template-columns:repeat(2,1fr)}
 .tiles{grid-auto-columns:calc((100% - 12px)/2)}
 .sec-t{font-size:19px}.sec-t:before,.sec-t:after{width:28px}
 .tile span{font-size:14px}
 .card h3{font-size:14px}
 .posts,.ft-cols{grid-template-columns:1fr}
 .btn{min-width:0;flex:1}
 .slide img{aspect-ratio:16/8}
 .fab-call,.fab-zalo{width:44px;height:44px;left:10px}.fab-call{bottom:70px}.fab-zalo{bottom:122px;font-size:12px}.fab-call svg{width:20px;height:20px}
 .totop{width:52px;height:52px;font-size:10px}
}