/* Bố cục: thanh tiện ích + header dính, hero gọn, cửa hàng 2 cột (lọc trái / lưới phải), dải cam kết, footer xưởng */
:root{
  --nen:#faf4e8; --nen-2:#f3e7cf; --the:#fffdf8; --chu:#2b1a14; --chu-2:#6b5246;
  --do:#7a1f2b; --do-dam:#5a1420; --vang:#b8862f; --vien:#e6d6b8;
  --f-tieu-de:"Playfair Display",Georgia,serif; --f-than:"Be Vietnam Pro",system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--nen);color:var(--chu);font-family:var(--f-than);font-size:15px;line-height:1.6}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--the)}
a{color:inherit}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--vang);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-tieu-de);text-wrap:balance;line-height:1.2;margin:0}

/* thanh tiện ích */
.topbar{background:var(--do-dam);color:#f6e7c8;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:6px}
.topbar b{color:#fff}

/* header */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--the);border-bottom:1px solid var(--vien)}
.head{display:flex;align-items:center;gap:20px;padding-block:10px}
.logo img{height:64px;width:auto;display:block}
.search{flex:1;display:flex;max-width:460px;margin-left:auto}
.search input{flex:1;min-width:0;border:1px solid var(--vien);border-right:0;border-radius:6px 0 0 6px;padding:9px 12px;font:inherit;background:var(--nen)}
.search button{border:0;background:var(--do);color:#fff;padding:0 14px;border-radius:0 6px 6px 0}
.cart-btn{position:relative;border:1px solid var(--vien);background:var(--the);border-radius:6px;padding:8px 12px;display:flex;gap:6px;align-items:center;white-space:nowrap}
.cart-btn .dem{background:var(--do);color:#fff;border-radius:999px;font-size:12px;min-width:20px;padding:0 6px;text-align:center}
nav.menu{border-top:1px solid var(--vien)}
nav.menu ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
nav.menu button{border:0;background:none;padding:10px 12px;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;color:var(--chu-2);border-bottom:2px solid transparent}
nav.menu button.on,nav.menu button:hover{color:var(--do);border-bottom-color:var(--do)}

/* hero */
.hero{background:linear-gradient(180deg,var(--nen-2),var(--nen))}
.hero .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;padding-block:36px}
.crumb{font-size:13px;color:var(--chu-2)}
.hero h1{font-size:clamp(30px,4.4vw,48px);color:var(--do-dam);margin:6px 0 12px}
.hero p{max-width:56ch;color:var(--chu-2);margin:0 0 18px}
.hero-img{border-radius:10px;overflow:hidden;box-shadow:0 10px 30px rgba(90,20,32,.15);max-width:100%}
.hero-img img{display:block;width:100%}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{border:1px solid var(--vien);background:var(--the);border-radius:999px;padding:4px 12px;font-size:13px}

/* cửa hàng */
.shop .wrap{display:grid;grid-template-columns:240px 1fr;gap:28px;padding-block:32px}
aside.loc h3{font-family:var(--f-than);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--chu-2);margin:0 0 8px}
aside.loc .nhom{border-bottom:1px solid var(--vien);padding-bottom:16px;margin-bottom:16px}
aside.loc label{display:flex;gap:8px;align-items:center;padding:3px 0;cursor:pointer}
aside.loc label small{margin-left:auto;color:var(--chu-2);font-variant-numeric:tabular-nums}
.thanh-sap{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.thanh-sap select{border:1px solid var(--vien);border-radius:6px;padding:7px 10px;font:inherit;background:var(--the)}
.btn-loc{display:none;border:1px solid var(--vien);background:var(--the);border-radius:6px;padding:7px 12px}
.luoi{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px}
.sp{background:var(--the);border:1px solid var(--vien);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.sp:hover{box-shadow:0 8px 24px rgba(90,20,32,.12);transform:translateY(-2px)}
.sp .anh{position:relative;aspect-ratio:1;max-width:100%;background:var(--nen-2);border:0;padding:0;display:block;width:100%}
.sp .anh img{width:100%;height:100%;object-fit:cover;display:block}
.hang{position:absolute;left:8px;top:8px;background:var(--do);color:#fff;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:2px 8px;border-radius:4px}
.hang.luxury{background:var(--vang)}
.hang.tieu-chuan{background:var(--chu-2)}
.sp .noi{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.sp h3{font-size:17px}
.sp h3 button{all:unset;cursor:pointer}
.sp .quy{font-size:13px;color:var(--chu-2)}
.sp .gia{font-weight:700;color:var(--do);font-size:17px;font-variant-numeric:tabular-nums;margin-top:auto}
.btn{border:0;border-radius:6px;padding:9px 14px;font-weight:600}
.btn-do{background:var(--do);color:#fff}
.btn-do:hover{background:var(--do-dam)}
.btn-vien{background:transparent;border:1px solid var(--do);color:var(--do)}
.trong{padding:40px;text-align:center;color:var(--chu-2);border:1px dashed var(--vien);border-radius:8px}

/* cam kết + quy trình */
.camket{background:var(--do-dam);color:#f6e7c8}
.camket .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:32px}
.camket b{display:block;color:#fff;font-family:var(--f-tieu-de);font-size:19px;margin-bottom:4px}
.camket p{margin:0;font-size:14px}
.quytrinh .wrap{padding-block:44px}
.quytrinh h2,.gioithieu h2{font-size:clamp(24px,3vw,32px);color:var(--do-dam);margin-bottom:20px}
.buoc{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:b;list-style:none;padding:0;margin:0}
.buoc li{counter-increment:b;border-top:2px solid var(--vang);padding-top:10px}
.buoc li::before{content:"Bước " counter(b);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--vang);font-weight:700}
.buoc b{display:block;font-family:var(--f-tieu-de);font-size:18px;margin:2px 0 4px}
.buoc p{margin:0;font-size:14px;color:var(--chu-2)}
.gioithieu{background:var(--nen-2)}
.gioithieu .wrap{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding-block:44px;align-items:start}
.gioithieu p{color:var(--chu-2);max-width:62ch}
.so{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.so div{background:var(--the);border:1px solid var(--vien);border-radius:8px;padding:12px}
.so b{display:block;font-family:var(--f-tieu-de);font-size:26px;color:var(--do)}
.so span{font-size:13px;color:var(--chu-2)}

footer{background:#241511;color:#d9c7a8;font-size:14px}
footer .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px;padding-block:36px}
footer h4{color:#fff;margin:0 0 8px;font-size:14px;letter-spacing:.08em;text-transform:uppercase}
footer p{margin:0 0 6px}
footer .cuoi{border-top:1px solid #3d2a22;text-align:center;padding:12px;font-size:12px}

/* nút nổi */
.noi-nhanh{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:10px;z-index:40}
.noi-nhanh a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px;text-decoration:none;box-shadow:0 6px 16px rgba(0,0,0,.25)}
.noi-nhanh .zalo{background:#0068ff}
.noi-nhanh .goi{background:var(--do)}

/* lớp phủ: chi tiết sản phẩm + giỏ */
.phu{position:fixed;inset:0;background:rgba(36,21,17,.55);z-index:70;display:flex;justify-content:center;align-items:center;padding:16px}
.hop{background:var(--the);border-radius:10px;max-width:860px;width:100%;max-height:92vh;overflow:auto;display:grid;grid-template-columns:1fr 1fr;position:relative}
.hop img{width:100%;display:block}
.hop .nd{padding:24px;display:flex;flex-direction:column;gap:10px}
.dong{position:absolute;right:10px;top:10px;border:0;background:var(--the);border-radius:50%;width:34px;height:34px;font-size:20px;line-height:1;z-index:2}
.so-luong{display:flex;align-items:center;border:1px solid var(--vien);border-radius:6px;width:max-content}
.so-luong button{border:0;background:none;width:34px;height:34px;font-size:18px}
.so-luong span{min-width:30px;text-align:center;font-variant-numeric:tabular-nums}
.bien-the{display:flex;flex-wrap:wrap;gap:8px}
.bien-the button{border:1px solid var(--vien);background:var(--nen);border-radius:6px;padding:6px 10px;font-size:13px}
.bien-the button.on{border-color:var(--do);color:var(--do);background:var(--the);font-weight:600}
.gio{position:fixed;inset:0 0 0 auto;width:min(420px,100%);background:var(--the);z-index:80;display:flex;flex-direction:column;box-shadow:-10px 0 30px rgba(0,0,0,.2);padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
.gio header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--vien)}
.gio .ds{flex:1;overflow:auto;padding:12px 16px;display:flex;flex-direction:column;gap:12px}
.dong-gio{display:grid;grid-template-columns:56px 1fr auto;gap:10px;align-items:center}
.dong-gio img{width:56px;height:56px;object-fit:cover;border-radius:6px}
.dong-gio small{color:var(--chu-2)}
.gio footer{background:none;color:inherit;padding:14px 16px;border-top:1px solid var(--vien);display:flex;flex-direction:column;gap:8px}
.gio input,.gio textarea{width:100%;border:1px solid var(--vien);border-radius:6px;padding:8px 10px;font:inherit;background:var(--nen)}
.tong{display:flex;justify-content:space-between;font-weight:700;font-size:17px}
.ghichu{font-size:12px;color:var(--chu-2)}
.don{white-space:pre-wrap;background:var(--nen);border:1px solid var(--vien);border-radius:6px;padding:10px;font-size:13px;max-height:180px;overflow:auto}

@media (max-width:900px){
  .shop .wrap{grid-template-columns:1fr}
  aside.loc{display:none}
  aside.loc.mo{display:block}
  .btn-loc{display:inline-block}
  .camket .wrap{grid-template-columns:repeat(2,1fr)}
  .buoc{grid-template-columns:1fr 1fr}
  .gioithieu .wrap,footer .wrap{grid-template-columns:1fr}
}
@media (max-width:640px){
  .hero .wrap{grid-template-columns:1fr}
  .head{flex-wrap:wrap}
  .search{order:3;max-width:none;flex-basis:100%}
  .logo img{height:52px}
  .luoi{grid-template-columns:1fr 1fr;gap:10px}
  .sp h3{font-size:15px}
  .hop{grid-template-columns:1fr}
  .topbar .an-mobile{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}