html{-webkit-text-size-adjust:100%}body{margin:0}[hidden]{display:none!important}img{max-width:100%}

/* Layout: cửa hàng một cột rộng 1180px; trên điện thoại có thanh hành động dính đáy (Gọi · Zalo · Đặt lịch) để mọi lượt quảng cáo luôn có nút chốt trong tầm tay. Dải thước dây may đo làm đường phân cách. */
:root{
  --paper:#F2F3EF; --surface:#FFFFFF; --card:#E4E7E1; --ink:#14171D; --muted:#5D636C; --line:#D6DAD2;
  --navy:#1A2440; --on-navy:#F4F5F8; --rose:#D8939F; --rose-soft:#F4DFE2; --rose-ink:#7A2E3C;
  --good:#2E6B4E; --warn:#9A5B12; --bad:#A3323F; --zalo:#0068FF; --tape:#E9D9A6; --tape-ink:#6B5A22;
  --shadow:0 10px 30px rgba(20,23,29,.08);
  --display:'Prata','Didot','Bodoni 72',Georgia,serif;
  --body:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0F1116; --surface:#171A21; --card:#1F232C; --ink:#ECEEF2; --muted:#9AA1AC; --line:#2A2F39;
  --navy:#E9C3CA; --on-navy:#1A1216; --rose:#E3A6B1; --rose-soft:#3A2329; --rose-ink:#F2C4CC;
  --good:#7ED0A5; --warn:#E9B36A; --bad:#F08B97; --zalo:#4C93FF; --tape:#5C5133; --tape-ink:#F0E2B3;
  --shadow:0 10px 30px rgba(0,0,0,.35); color-scheme:dark }}
:root[data-theme="dark"]{
  --paper:#0F1116; --surface:#171A21; --card:#1F232C; --ink:#ECEEF2; --muted:#9AA1AC; --line:#2A2F39;
  --navy:#E9C3CA; --on-navy:#1A1216; --rose:#E3A6B1; --rose-soft:#3A2329; --rose-ink:#F2C4CC;
  --good:#7ED0A5; --warn:#E9B36A; --bad:#F08B97; --zalo:#4C93FF; --tape:#5C5133; --tape-ink:#F0E2B3;
  --shadow:0 10px 30px rgba(0,0,0,.35); color-scheme:dark }

*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--surface)}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.12;margin:0;text-wrap:balance;letter-spacing:-.005em}
h1{font-size:clamp(34px,5.2vw,58px)}
h2{font-size:clamp(26px,3.4vw,38px)}
h3{font-size:21px}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--muted)}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--rose);outline-offset:2px;border-radius:4px}

/* Thanh thông báo demo */
.demo-bar{background:var(--tape);color:var(--tape-ink);font-size:12.5px}
.demo-bar .wrap{display:flex;gap:10px;align-items:center;justify-content:space-between;padding-block:6px;flex-wrap:wrap}
.demo-bar button{border:0;background:none;text-decoration:underline;cursor:pointer;color:inherit;padding:0;font-size:12.5px}

/* Header */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;flex-direction:column;text-decoration:none;line-height:1}
.logo b{font-family:var(--display);font-weight:400;font-size:24px;letter-spacing:.18em}
.logo span{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:4px}
nav.main{display:flex;gap:4px;flex:1;min-width:0}
nav.main a{text-decoration:none;padding:8px 11px;border-radius:999px;font-weight:500;font-size:14px;white-space:nowrap}
nav.main a:hover,nav.main a[aria-current="page"]{background:var(--card)}
.head-right{display:flex;align-items:center;gap:10px}
.phone{display:flex;flex-direction:column;align-items:flex-end;line-height:1.2;font-size:12px;color:var(--muted)}
.phone b{font-size:16px;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.cart-btn{position:relative;border:1px solid var(--line);background:var(--surface);border-radius:999px;height:40px;padding:0 14px;display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:600;font-size:13px;text-decoration:none}
.cart-btn i{font-style:normal;background:var(--navy);color:var(--on-navy);border-radius:999px;min-width:20px;height:20px;display:grid;place-items:center;font-size:11px;padding:0 6px}
.subnav{display:none}

/* Nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r);padding:13px 20px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;transition:transform .12s ease,box-shadow .12s ease}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--navy);color:var(--on-navy)}
.btn.primary:hover{box-shadow:0 6px 18px rgba(26,36,64,.25)}
.btn.ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn.rose{background:var(--rose);color:#1E0D12}
.btn.zalo{background:var(--zalo);color:#fff}
.btn.sm{padding:9px 14px;font-size:13.5px}
.btn.block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.link{color:inherit;font-weight:600;text-underline-offset:3px}

/* Thước dây */
.tape{height:22px;background:
  repeating-linear-gradient(90deg,var(--tape-ink) 0 1px,transparent 1px 10px) bottom/100% 6px no-repeat,
  repeating-linear-gradient(90deg,var(--tape-ink) 0 1px,transparent 1px 50px) bottom/100% 11px no-repeat,
  var(--tape);opacity:.9;position:relative;overflow:hidden}
.tape span{position:absolute;bottom:9px;font-size:9px;color:var(--tape-ink);font-variant-numeric:tabular-nums;transform:translateX(3px)}

/* Hero */
.hero{background:var(--surface);border-bottom:1px solid var(--line);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:24px;align-items:center;padding-block:40px 0}
.hero-copy{display:flex;flex-direction:column;gap:18px;padding-bottom:40px;min-width:0}
.hero h1 em,.lp-hero h1 em{font-style:normal;color:var(--rose-ink)}
.hero .lead{font-size:17px;color:var(--muted);max-width:52ch}
.ticks{display:flex;flex-wrap:wrap;gap:8px 18px;padding:0;margin:0;list-style:none;font-size:14px;font-weight:500}
.ticks li{display:flex;gap:7px;align-items:center;white-space:nowrap}
.ticks li::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--rose-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.3l2.2 2.2 4.8-5' fill='none' stroke='%237A2E3C' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;flex:none}
.finder{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px;display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end;max-width:600px}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field label,.label{font-size:12.5px;font-weight:600;color:var(--muted)}
.input,select.input,textarea.input{width:100%;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:11px 12px;min-height:44px;font-size:15px}
.input:focus{outline:2px solid var(--rose);outline-offset:0;border-color:transparent}
.input.err{border-color:var(--bad)}
.hint-err{font-size:12.5px;color:var(--bad)}
.price-anchor{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.price-anchor b{font-size:28px;font-family:var(--display);font-weight:400}
.hero-art{position:relative;align-self:stretch;display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:1fr 1fr;gap:10px;min-height:440px;margin-bottom:40px;min-width:0}
.hero-art img{width:100%;height:100%;object-fit:cover;border-radius:14px;background:var(--card);min-height:0}
.hero-art .a{grid-row:1/3;object-position:50% 20%}
.hero-art .b{object-position:50% 30%}
.hero-art .c{object-position:50% 20%}
.hero-art .stamp{position:absolute;left:-18px;bottom:24px;z-index:3;background:var(--navy);color:var(--on-navy);border-radius:50%;width:116px;height:116px;display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.25;padding:12px;transform:rotate(-8deg)}
.hero-art .stamp b{display:block;font-family:var(--display);font-weight:400;font-size:22px}

/* Khối chung */
section.block{padding-block:56px}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.sec-head p{max-width:60ch}
.strip{background:var(--navy);color:var(--on-navy)}
.strip .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding-block:22px}
.strip div{display:flex;flex-direction:column;gap:2px;min-width:0}
.strip b{font-size:15px}
.strip span{font-size:13px;opacity:.78}

/* Dịp */
.occasions{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.occ{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:8px;text-decoration:none;min-width:0;transition:border-color .15s}
.occ:hover{border-color:var(--ink)}
.occ .sw{display:flex;gap:4px}
.occ .sw i{width:18px;height:18px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.occ b{font-size:16px}
.occ span{font-size:13px;color:var(--muted)}

/* Thẻ sản phẩm */
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.pcard{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;min-width:0;transition:box-shadow .2s,transform .2s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.pimg{background:var(--card);aspect-ratio:4/5;position:relative;overflow:hidden;max-width:100%}
.pimg img{width:100%;height:100%;object-fit:cover;object-position:50% 25%;transition:opacity .35s,transform .4s}
.pimg img.alt{position:absolute;inset:0;opacity:0}
.pcard:hover .pimg img.alt{opacity:1}
.pcard:hover .pimg img{transform:scale(1.03)}
.tierchip{font-size:11.5px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:1px 8px;align-self:flex-start}
.badge{position:absolute;left:10px;top:10px;background:var(--surface);color:var(--ink);font-size:11.5px;font-weight:600;padding:4px 9px;border-radius:999px}
.badge.rose{background:var(--rose-soft);color:var(--rose-ink)}
.pbody{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}
.pname{font-weight:600;font-size:15px;line-height:1.3}
.pmeta{font-size:12.5px;color:var(--muted)}
.prow{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-top:auto;padding-top:8px}
.prent b{font-size:17px}
.prent small{color:var(--muted);font-size:12px}
.pbuy{font-size:12.5px;color:var(--muted);text-align:right}

/* Các bước */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;counter-reset:s}
.step{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:8px;min-width:0}
.step::before{counter-increment:s;content:counter(s);font-family:var(--display);font-size:30px;color:var(--rose-ink);line-height:1}
.step b{font-size:16px}
.step p{font-size:14px;color:var(--muted)}

/* Bảng giá */
.price-table{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.pt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.pt{padding:22px;display:flex;flex-direction:column;gap:10px;border-right:1px solid var(--line);min-width:0}
.pt:last-child{border-right:0}
.pt.hl{background:var(--rose-soft)}
.pt .amt{font-family:var(--display);font-size:32px}
.pt ul{margin:0;padding-left:18px;font-size:14px;display:flex;flex-direction:column;gap:4px}
.pt .tag{align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--rose-ink)}

/* Đánh giá (chỗ trống) */
.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.rv{border:1.5px dashed var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:10px;min-width:0;background:var(--surface)}
.rv .ph{aspect-ratio:4/3;border-radius:10px;background:repeating-linear-gradient(135deg,var(--card) 0 10px,transparent 10px 20px);display:grid;place-items:center;color:var(--muted);font-size:12.5px;text-align:center;padding:12px}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:8px;max-width:820px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 18px}
.faq summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";font-size:20px;line-height:1;color:var(--muted)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding-bottom:16px;color:var(--muted);font-size:14.5px}

/* Showroom */
.showroom{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;min-width:0}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:14.5px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:600}
.copy{border:1px solid var(--line);background:var(--paper);border-radius:6px;font-size:12px;padding:2px 8px;margin-left:8px;cursor:pointer;font-weight:500}

footer{border-top:1px solid var(--line);background:var(--surface);margin-top:24px}
footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px;padding-block:36px 100px;font-size:14px}
footer h4{margin:0 0 10px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
footer a{text-decoration:none}
footer a:hover{text-decoration:underline}

/* Bộ sưu tập */
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 14px;font-size:13.5px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:7px}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chip .dot{width:12px;height:12px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(128,128,128,.4)}
.date-pill{display:flex;align-items:center;gap:10px;background:var(--rose-soft);color:var(--rose-ink);border-radius:12px;padding:10px 14px;font-size:14px;margin-bottom:16px;flex-wrap:wrap}

/* Trang sản phẩm */
.crumbs{font-size:13px;color:var(--muted);padding-block:16px;display:flex;gap:6px;flex-wrap:wrap}
.crumbs a{text-decoration:none}
.pdp{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:36px;align-items:start;padding-bottom:40px}
.gallery{display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;position:sticky;top:84px}
.thumbs{display:flex;flex-direction:column;gap:8px}
.thumbs button{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:0;cursor:pointer;overflow:hidden;aspect-ratio:3/4}
.thumbs button[aria-pressed="true"]{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.main-img{background:var(--card);border-radius:14px;overflow:hidden;aspect-ratio:4/5;position:relative;max-width:100%}
.main-img img{width:100%;height:100%;object-fit:cover;object-position:50% 25%}
.main-img img.land,.thumbs img.land{object-fit:contain}
.occ{padding:0;overflow:hidden}
.occ img{width:100%;aspect-ratio:1;object-fit:cover;object-position:50% 20%;background:var(--card)}
.occ .t{padding:12px 14px 14px;display:flex;flex-direction:column;gap:2px}
.pt img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:50% 20%;border-radius:10px;background:var(--card)}
.rv .photo{aspect-ratio:4/3;border-radius:10px;object-fit:cover;width:100%}
.shop-photo{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px}
.img-note{position:absolute;right:10px;bottom:10px;background:var(--surface);font-size:11.5px;padding:4px 9px;border-radius:999px;color:var(--muted)}
.buybox{display:flex;flex-direction:column;gap:20px;min-width:0}
.buybox h1{font-size:clamp(28px,3.2vw,38px)}
.tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--card);border-radius:12px;padding:4px}
.tabs button{border:0;background:none;padding:10px;border-radius:9px;font-weight:600;cursor:pointer;display:flex;flex-direction:column;align-items:center;line-height:1.25}
.tabs button small{font-weight:500;color:var(--muted);font-size:12.5px}
.tabs button[aria-pressed="true"]{background:var(--surface);box-shadow:0 1px 4px rgba(0,0,0,.08)}
.sizes{display:flex;flex-wrap:wrap;gap:8px}
.size{border:1px solid var(--line);background:var(--surface);border-radius:10px;min-width:64px;padding:8px 10px;cursor:pointer;display:flex;flex-direction:column;align-items:center;font-weight:600;line-height:1.2}
.size small{font-weight:500;font-size:11px;color:var(--muted)}
.size small.low{color:var(--warn)}
.size[aria-pressed="true"]{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.size[disabled]{opacity:.45;cursor:not-allowed;text-decoration:line-through}
.addons{display:flex;flex-direction:column;gap:8px}
.addon{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--surface);cursor:pointer}
.addon input{width:18px;height:18px;accent-color:var(--navy);flex:none}
.addon .t{flex:1;min-width:0;font-size:14px}
.addon .t small{display:block;color:var(--muted);font-size:12.5px}
.addon .p{font-weight:600;font-size:14px;white-space:nowrap}
.addon.free{background:var(--rose-soft);border-color:transparent;cursor:default}
.addon.free .p{color:var(--rose-ink)}
.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface)}
.timeline div{padding:10px 12px;display:flex;flex-direction:column;gap:2px;border-right:1px solid var(--line);min-width:0}
.timeline div:last-child{border-right:0}
.timeline small{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.timeline b{font-size:14.5px}
.timeline span{font-size:12px;color:var(--muted)}
.timeline .ev{background:var(--rose-soft)}
.qty{display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface);width:max-content}
.qty button{border:0;background:none;width:40px;height:40px;cursor:pointer;font-size:18px}
.qty output{min-width:36px;text-align:center;font-weight:600}
.sum{border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:6px;font-size:14px}
.sum .r{display:flex;justify-content:space-between;gap:12px}
.sum .r b{font-variant-numeric:tabular-nums}
.sum .total{font-size:17px;font-weight:700}
.sum .save{color:var(--good)}
.cta-row{display:grid;grid-template-columns:1fr;gap:8px}
.reassure{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.spec{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
table.sz{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
table.sz th,table.sz td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
table.sz th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
table.sz tr.me td{background:var(--rose-soft);font-weight:600}
.tbl-wrap{overflow-x:auto}

/* Đặt lịch / thanh toán */
.flow{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:28px;align-items:start;padding-block:24px 48px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:18px;min-width:0}
.panel h3{display:flex;align-items:center;gap:10px}
.panel h3 i{font-style:normal;font-family:var(--body);font-size:12px;font-weight:700;width:24px;height:24px;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center}
.days{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.day{border:1px solid var(--line);background:var(--surface);border-radius:10px;min-width:62px;padding:8px 6px;display:flex;flex-direction:column;align-items:center;cursor:pointer;line-height:1.2;flex:none}
.day small{font-size:11px;color:var(--muted);text-transform:uppercase}
.day b{font-size:18px;font-variant-numeric:tabular-nums}
.day span{font-size:10.5px;color:var(--muted)}
.day[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.day[aria-pressed="true"] small,.day[aria-pressed="true"] span{color:var(--paper);opacity:.8}
.slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:8px}
.slot{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:9px 4px;cursor:pointer;font-weight:600;font-size:14px;font-variant-numeric:tabular-nums}
.slot[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.slot[disabled]{opacity:.35;cursor:not-allowed;text-decoration:line-through}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.radio-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.rc{border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;display:flex;gap:10px;align-items:flex-start;background:var(--surface)}
.rc input{margin-top:3px;accent-color:var(--navy)}
.rc b{display:block;font-size:14.5px}
.rc small{color:var(--muted);font-size:12.5px}
.rc:has(input:checked){border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.line-item{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:12px;align-items:start;padding-bottom:14px;border-bottom:1px solid var(--line)}
.line-item img{border-radius:8px;background:var(--card);aspect-ratio:3/4;object-fit:cover;width:64px}
.line-item .x{border:0;background:none;color:var(--muted);cursor:pointer;font-size:12.5px;text-decoration:underline;padding:0}
.qr{aspect-ratio:1;max-width:180px;border:1.5px dashed var(--line);border-radius:12px;display:grid;place-items:center;text-align:center;font-size:12.5px;color:var(--muted);padding:14px;background:repeating-linear-gradient(45deg,var(--card) 0 6px,transparent 6px 12px)}
.done{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding-block:48px;max-width:640px;margin:0 auto}
.done .tick{width:64px;height:64px;border-radius:50%;background:var(--rose-soft);display:grid;place-items:center}
.code{font-family:var(--display);font-size:30px;letter-spacing:.06em}
.empty{text-align:center;padding:48px 16px;display:flex;flex-direction:column;gap:12px;align-items:center}

/* Landing quảng cáo */
.lp-hero{background:var(--surface);border-bottom:1px solid var(--line)}
.lp-hero .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:32px;padding-block:36px;align-items:start}
.lp-form{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}
.lp-art{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:8px}
.lp-art img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:50% 20%;border-radius:12px;background:var(--card)}
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:center}
.big-num{font-family:var(--display);font-size:40px;line-height:1}

/* Thanh dính đáy (điện thoại) */
.mbar{display:none}
/* Nhật ký sự kiện chuyển đổi (demo) */
.evlog{position:fixed;left:max(14px,env(safe-area-inset-left,0px));bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:70;display:flex;flex-direction:column;gap:6px;pointer-events:none;max-width:min(320px,80vw)}
.evt{background:var(--ink);color:var(--paper);font-size:12px;border-radius:8px;padding:7px 10px;box-shadow:var(--shadow);animation:pop .25s ease;font-variant-numeric:tabular-nums}
.evt b{color:var(--rose)}
@keyframes pop{from{transform:translateY(6px);opacity:0}to{transform:none;opacity:1}}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:999px;font-size:14px;z-index:80;box-shadow:var(--shadow)}

@media (max-width:1020px){
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .occasions{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1180px){.phone{display:none}}
@media (max-width:820px){
  nav.main{display:none}
  header.site .wrap{height:58px;gap:12px;justify-content:space-between}
  .subnav{display:block;background:var(--surface);border-bottom:1px solid var(--line)}
  .subnav .wrap{display:flex;gap:6px;overflow-x:auto;padding-block:8px;scrollbar-width:none}
  .subnav a{white-space:nowrap;text-decoration:none;font-size:13.5px;font-weight:500;padding:6px 12px;border-radius:999px;background:var(--paper);border:1px solid var(--line)}
  .subnav a[aria-current="page"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .hero .wrap{grid-template-columns:1fr;padding-top:24px}
  .hero-copy{padding-bottom:0}
  .hero-art{min-height:0;height:300px;order:-1;margin-bottom:0}
  .hero-art .stamp{display:none}
  .hero-art .stamp{width:96px;height:96px;font-size:11px}
  .hero-art .stamp b{font-size:18px}
  .finder{grid-template-columns:1fr 1fr}
  .finder .btn{grid-column:1/-1}
  .strip .wrap{grid-template-columns:1fr 1fr}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .pbody{padding:10px}
  .prow{flex-direction:column;align-items:flex-start;gap:2px}
  .pbuy{text-align:left}
  .steps,.reviews,.pt-grid,.showroom,.spec{grid-template-columns:1fr}
  .pt{border-right:0;border-bottom:1px solid var(--line)}
  .pt:last-child{border-bottom:0}
  .occasions{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pdp,.flow,.lp-hero .wrap,.calc{grid-template-columns:1fr}
  .gallery{position:static;grid-template-columns:1fr}
  .thumbs{flex-direction:row;order:2}
  .thumbs button{width:64px}
  footer .wrap{grid-template-columns:1fr 1fr}
  footer .wrap>div:first-child{grid-column:1/-1}
  section.block{padding-block:40px}
  .mbar{display:grid;grid-template-columns:auto auto 1fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:55;background:var(--surface);border-top:1px solid var(--line);
    padding-top:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px));box-shadow:0 -6px 20px rgba(0,0,0,.06)}
  .mbar .btn{padding:12px 12px;min-width:0;overflow:hidden;text-overflow:ellipsis}
  .mbar .price{display:flex;flex-direction:column;justify-content:center;line-height:1.2;font-size:12px;color:var(--muted)}
  .mbar .price b{font-size:16px;color:var(--ink)}
  .mbar.pdp-bar{grid-template-columns:1fr auto}
  .evlog{bottom:calc(84px + env(safe-area-inset-bottom,0px))}
  .toast{bottom:calc(140px + env(safe-area-inset-bottom,0px))}
  .lp-art{display:none}
  .demo-bar .long{display:none}
}
@media (max-width:420px){
  .finder{grid-template-columns:1fr}
  .two,.radio-cards{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .timeline div{border-right:0;border-bottom:1px solid var(--line)}
  .hero-art{height:260px}
  .cart-btn span{display:none}
}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}

.demo-bar a{color:inherit}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.btn.loading{opacity:.6;pointer-events:none}
.form-err{background:var(--rose-soft);color:var(--bad);border-radius:8px;padding:10px 12px;font-size:14px}
.qr img{width:100%;height:auto;border-radius:8px;background:#fff}
.qr.real{background:none;border-style:solid;padding:8px}

/* Ảnh khách thật */
.gallery-wall{columns:4 220px;column-gap:12px}
.gw{display:block;width:100%;margin:0 0 12px;padding:0;border:0;background:none;cursor:zoom-in;break-inside:avoid;position:relative;border-radius:14px;overflow:hidden;text-align:left;font:inherit}
.gw img{display:block;width:100%;height:auto;transition:transform .4s ease}
.gw:hover img{transform:scale(1.03)}
.gw span{position:absolute;left:0;right:0;bottom:0;padding:28px 12px 10px;color:#fff;font-size:13px;font-weight:500;background:linear-gradient(transparent,rgba(10,14,28,.72))}
.gw:focus-visible{outline:3px solid var(--navy);outline-offset:2px}
@media (max-width:560px){.gallery-wall{columns:2;column-gap:8px}.gw{margin-bottom:8px;border-radius:10px}.gw span{font-size:12px;padding:20px 8px 7px}}
.lb{position:fixed;inset:0;z-index:100;background:rgba(8,10,18,.92);display:flex;align-items:center;justify-content:center;padding:16px}
.lb figure{margin:0;max-width:min(1000px,100%);max-height:100%;display:flex;flex-direction:column;align-items:center;gap:10px}
.lb img{max-width:100%;max-height:calc(100vh - 90px);object-fit:contain;border-radius:8px}
.lb figcaption{color:#e8e8ee;font-size:14px}
.lb button{position:absolute;border:0;background:rgba(255,255,255,.12);color:#fff;width:46px;height:46px;border-radius:50%;font-size:28px;line-height:1;cursor:pointer}
.lb .lb-x{top:14px;right:14px}.lb .lb-p{left:14px;top:50%;transform:translateY(-50%)}.lb .lb-n{right:14px;top:50%;transform:translateY(-50%)}

/* Video thực tế */
.vrow{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:thin}
.vcard{flex:0 0 auto;width:200px;aspect-ratio:9/16;position:relative;border:0;padding:0;border-radius:16px;overflow:hidden;background:#111;cursor:pointer;scroll-snap-align:start;font:inherit;text-align:left}
.vcard.land{width:356px;aspect-ratio:auto;height:356px}
.vcard img,.vcard video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.vcard video{opacity:0;transition:opacity .25s}
.vcard.playing video{opacity:1}
.vcard .vplay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;background:rgba(255,255,255,.9);color:var(--navy);display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.3);transition:opacity .2s}
.vcard.playing .vplay{opacity:0}
.vcard span{position:absolute;left:0;right:0;bottom:0;padding:36px 12px 12px;color:#fff;font-size:13.5px;font-weight:600;line-height:1.35;background:linear-gradient(transparent,rgba(8,10,20,.8))}
.vcard:focus-visible{outline:3px solid var(--navy);outline-offset:2px}
@media (max-width:560px){.vcard{width:62vw;max-width:240px}.vcard.land{width:84vw;height:min(110vw,420px)}}
.lb figure video{max-width:100%;max-height:calc(100vh - 90px);border-radius:10px;background:#000}
.lb figure:not(.land) video{width:auto;height:auto;min-height:min(60vh,520px)}
.lb figure.land video{width:min(1000px,100%)}

.lb figure iframe{border:0;border-radius:10px;background:#000;aspect-ratio:9/16;height:min(calc(100vh - 90px),760px);max-width:100%}
.lb figure.land iframe{aspect-ratio:16/9;height:auto;width:min(1000px,calc(100vw - 32px))}