:root{
  --vang:#B8912F; --vang-sang:#DFB57E; --vang-nhat:#F5EEDC;
  --nen:#FDFBF7; --nen-2:#F7F2EA;
  --toi:#221C19;
  --chu:#2A2320; --chu-nhat:#6B6058;
  --vien:#E8DFD1;
  --bong:0 1px 2px rgba(42,35,32,.05), 0 12px 32px -12px rgba(42,35,32,.18);
  --bo:14px;
  --rong:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{
  scroll-behavior:smooth;
  scrollbar-width:none;          /* Firefox */
  -ms-overflow-style:none;       /* IE/Edge cũ */
}
html::-webkit-scrollbar,body::-webkit-scrollbar,
.hop-fb::-webkit-scrollbar,.den::-webkit-scrollbar{width:0;height:0;display:none}
body{
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--chu); background:var(--nen); line-height:1.65;
  font-size:16px; -webkit-font-smoothing:antialiased;
  padding-bottom:68px; /* chừa chỗ cho thanh gọi dưới cùng trên mobile */
  overflow-x:hidden;
}
h1,h2,h3,.serif{font-family:'Playfair Display',Georgia,serif;font-weight:600;line-height:1.22;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{color:inherit}
.khung{width:100%;max-width:var(--rong);margin:0 auto;padding:0 20px}
.giua{text-align:center}

/* ---------- Biểu tượng nét (thay cho emoji) ---------- */
.ic{
  width:42px;height:42px;display:block;
  fill:none;stroke:currentColor;stroke-width:1.3;
  stroke-linecap:round;stroke-linejoin:round;
}
.ic-nho{width:18px;height:18px;display:inline-block;vertical-align:-4px;flex:none}
.ic-vang{color:var(--vang)}
#kho-icon{display:none}

/* ---------- Nút ---------- */
.nut{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 28px;border-radius:100px;font-weight:600;font-size:15px;
  text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.nut:hover{transform:translateY(-2px)}
.nut-chinh{background:var(--vang);color:#fff;box-shadow:0 8px 24px -8px rgba(184,145,47,.6)}
.nut-chinh:hover{background:#A17E26}
.nut-phu{background:#fff;color:var(--chu);border-color:var(--vien)}
.nut-phu:hover{border-color:var(--vang);color:var(--vang)}
.nut-vien-sang{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.nut-vien-sang:hover{background:#fff;color:var(--toi);border-color:#fff}

/* ---------- Đầu trang: nền tối, logo giữa & lớn ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(34,28,25,.96);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(223,181,126,.22);
  transition:box-shadow .25s ease;
}
/* Chỗ giữ chiều cao cho header cố định — JS đặt đúng chiều cao lúc header MỞ,
   nhờ vậy header co lại không làm nội dung bên dưới nhảy lên. */
.dau-cho{height:0}
/* tắt hiệu ứng trong lúc đo chiều cao, tránh nhấp nháy */
header.do-cao,header.do-cao *{transition:none!important}
html{scroll-padding-top:78px}
.dau-logo{
  position:relative;
  display:flex;justify-content:center;padding:18px 20px 12px;
  transition:padding .28s ease;
}

/* ---------- Nút ba gạch (chỉ điện thoại & máy tính bảng) ----------
   Đặt trong hàng logo chứ không phải hàng dưới: hàng dưới bị thu lại khi
   cuộn xuống, còn hàng logo thì luôn hiện — nhờ vậy khách ở giữa trang
   vẫn mở được menu. */
.nut-menu{
  display:none;position:absolute;right:12px;top:50%;transform:translateY(-50%);
  width:44px;height:44px;padding:11px 9px;border:0;border-radius:12px;
  background:transparent;cursor:pointer;
  flex-direction:column;justify-content:space-between;
}
.nut-menu span{display:block;height:2px;width:100%;background:rgba(255,255,255,.86);border-radius:2px;transition:transform .22s ease,opacity .18s ease}
.nut-menu[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nut-menu[aria-expanded="true"] span:nth-child(2){opacity:0}
.nut-menu[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

.menu-dt{
  display:none;flex-direction:column;
  border-top:1px solid rgba(223,181,126,.22);
  padding:6px 20px 14px;max-height:min(70vh,520px);overflow:auto;
}
.menu-dt.mo{display:flex}
.menu-dt a{
  display:flex;align-items:center;gap:8px;
  padding:13px 2px;text-decoration:none;font-size:16px;font-weight:500;
  color:rgba(255,255,255,.86);border-bottom:1px solid rgba(255,255,255,.08);
}
.menu-dt a:last-child{border-bottom:0}
.menu-dt a small{font-size:12px;font-weight:400;color:var(--vang);letter-spacing:.04em}
.menu-dt-goi{color:var(--vang-sang)!important;font-weight:600!important}
/* Ô bẫy bot trong form — giấu khỏi mắt người và khỏi trình đọc màn hình,
   nhưng vẫn nằm trong DOM để con bot tự động điền vào. */
.o-bay{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0;pointer-events:none}
@media(max-width:899px){
  .nut-menu{display:flex}
}
/* Máy tính luôn dùng menu ngang — menu điện thoại phải tắt hẳn,
   kể cả khi vừa mở nó ở khổ nhỏ rồi kéo cửa sổ rộng ra. */
@media(min-width:900px){
  .menu-dt{display:none!important}
}
.dau-logo img{height:74px;width:auto;transition:height .28s ease}

/* Cuộn xuống: logo nhỏ lại (vẫn còn), phần còn lại của header ẩn đi */
header.co .dau-logo{padding:9px 20px}
header.co .dau-logo img{height:38px}
header.co .dau-duoi{
  max-height:0;opacity:0;padding-top:0;padding-bottom:0;
  overflow:hidden;pointer-events:none;
}
header.co{box-shadow:0 6px 22px -12px rgba(0,0,0,.6)}
.dau-duoi{
  max-height:120px;opacity:1;
  transition:max-height .28s ease, opacity .2s ease, padding .28s ease;
}
.dau-duoi{
  display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;
  padding:0 20px 14px;max-width:var(--rong);margin:0 auto;
}
.menu{display:none;gap:26px;font-size:14.5px;font-weight:500}
.menu a{text-decoration:none;color:rgba(255,255,255,.74);transition:color .15s}
.menu a:hover{color:var(--vang-sang)}
.dau-nut{display:flex;align-items:center;gap:10px}
.dau-nut .nut{padding:10px 20px;font-size:14px}
.chi-may-tinh{display:none}

/* ---------- Hero: ảnh có giới hạn cỡ, không tràn viền ---------- */
.hero{padding:clamp(24px,4vw,40px) 0 clamp(34px,5vw,56px);background:var(--nen)}
.hero-anh{
  position:relative;border-radius:18px;overflow:hidden;
  box-shadow:var(--bong);background:var(--nen-2);
  width:calc(100% - 32px);        /* dàn gần hết bề ngang, chừa 16px mỗi bên */
  max-width:1760px;margin:0 auto;
  aspect-ratio:1944/720;          /* đúng tỉ lệ ảnh mặt tiền → không cắt mất phần nào */
  max-height:min(62vh,600px);
}
@media(max-width:700px){
  .hero-anh{width:calc(100% - 24px);border-radius:14px;max-height:none}
}
.hero-anh img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-chu{text-align:center;max-width:760px;margin:clamp(26px,4vw,38px) auto 0}
.nhan{
  display:inline-block;font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  font-weight:700;color:var(--vang);padding:7px 16px;border:1px solid var(--vien);
  border-radius:100px;margin-bottom:16px;background:#fff;
}
.hero h1{font-size:clamp(30px,5.4vw,50px);margin-bottom:16px;text-wrap:balance}
.hero-chu>p{font-size:clamp(15px,2vw,17.5px);color:var(--chu-nhat);font-weight:300;margin:0 auto 26px;max-width:56ch}
.hero-nut{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:34px}
.tin-cay{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px 12px;
  border-top:1px solid var(--vien);border-bottom:1px solid var(--vien);padding:24px 0;
}
.tin-cay div{font-size:13px;color:var(--chu-nhat);font-weight:300}
.tin-cay b{font-family:'Playfair Display',serif;font-size:23px;display:block;line-height:1.1;color:var(--chu);font-weight:600}

/* ---------- Câu hook ---------- */
.hook{
  font-family:'Playfair Display',Georgia,serif;font-style:italic;
  font-size:clamp(17px,2.2vw,21px);color:var(--vang);line-height:1.45;
  margin-bottom:14px;text-wrap:balance;
}
.cam-ket .hook{color:var(--vang-sang)}

/* ---------- Địa chỉ bấm được ---------- */
.dia-chi{
  display:inline-flex;align-items:flex-start;gap:8px;
  color:var(--chu);text-decoration:none;font-weight:500;
  border-bottom:1px solid var(--vien);padding-bottom:2px;transition:color .15s,border-color .15s;
}
.dia-chi:hover{color:var(--vang);border-color:var(--vang)}
.dia-chi .ic-nho{margin-top:3px;color:var(--vang)}
.dia-chi small{display:block;font-weight:300;color:var(--chu-nhat);font-size:13px;border:0}
.dia .dia-chi{display:flex;margin-bottom:11px}
.dia .dia-chi:last-of-type{margin-bottom:0}

/* ---------- Facebook ---------- */
.fb{background:var(--nen-2)}
.luoi-fb{display:grid;grid-template-columns:1fr;gap:20px;margin-top:38px;align-items:stretch}
.the-fb{
  background:#fff;border:1px solid var(--vien);border-radius:var(--bo);
  padding:22px;box-shadow:var(--bong);display:flex;flex-direction:column;
}
.the-fb .ten-cn{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--vang);font-weight:700;margin-bottom:6px}
.the-fb h3{font-size:19px;margin-bottom:4px}
.the-fb .theo-doi{font-size:13.5px;color:var(--chu-nhat);font-weight:300;margin-bottom:16px}
.hop-fb{
  border:1px solid var(--vien);border-radius:10px;overflow:hidden;
  background:var(--nen);min-height:420px;margin-bottom:16px;
}
.hop-fb iframe{width:100%;height:460px;border:0;display:block}
.fb-nut{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto}
.fb-nut .nut{flex:1;padding:12px 16px;font-size:14px}

/* ---------- Khối chung ---------- */
section{padding:clamp(54px,8vw,92px) 0}
.tieu-de-nho{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--vang);font-weight:700;margin-bottom:12px}
h2{font-size:clamp(26px,4.6vw,40px);margin-bottom:14px;text-wrap:balance}
.mo-ta{color:var(--chu-nhat);max-width:60ch;font-size:16.5px;font-weight:300}
.giua .mo-ta{margin-left:auto;margin-right:auto}
.dau-khoi{margin-bottom:clamp(32px,5vw,52px)}

/* ---------- Nỗi đau ---------- */
.dau-dau{background:var(--nen-2)}
.luoi-dau{display:grid;grid-template-columns:1fr;gap:14px;margin-top:36px;align-items:stretch}
.the-dau{background:#fff;border:1px solid var(--vien);border-radius:var(--bo);padding:26px 24px;display:flex;flex-direction:column}
.the-dau .ic{margin-bottom:16px;color:var(--chu)}
.the-dau h3{font-size:17.5px;margin-bottom:7px}
.the-dau p{font-size:14.5px;color:var(--chu-nhat);font-weight:300}
.chot-dau{
  margin-top:32px;background:var(--toi);color:#fff;border-radius:var(--bo);
  padding:clamp(26px,4vw,40px);text-align:center;
}
.chot-dau p{font-family:'Playfair Display',serif;font-size:clamp(19px,3vw,27px);line-height:1.45}
.chot-dau em{color:var(--vang-sang);font-style:normal}

/* ---------- Trọn gói ---------- */
.luoi-goi{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:34px}
.mon{
  background:#fff;border:1px solid var(--vien);border-radius:var(--bo);padding:26px 18px;text-align:center;
  transition:border-color .18s, transform .18s;
  display:flex;flex-direction:column;justify-content:center;
}
.mon:hover{border-color:var(--vang);transform:translateY(-3px)}
.mon .ic{margin:0 auto 14px;color:var(--chu);width:48px;height:48px}
.mon b{display:block;font-size:15.5px;margin-bottom:4px}
.mon span{font-size:13px;color:var(--chu-nhat);font-weight:300}

/* ---------- Bảng giá ---------- */
.gia{background:var(--nen-2)}
.luoi-gia{display:grid;grid-template-columns:1fr;gap:18px;margin-top:38px;align-items:stretch}
.the-gia{
  background:#fff;border:1px solid var(--vien);border-radius:var(--bo);padding:28px 24px;
  display:flex;flex-direction:column;box-shadow:var(--bong);
}
.the-gia.noi-bat{border:2px solid var(--vang);position:relative}
.the-gia.noi-bat::before{
  content:'Được chọn nhiều nhất';position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--vang);color:#fff;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  font-weight:700;padding:5px 15px;border-radius:100px;white-space:nowrap;
}
.the-gia h3{font-size:21px;margin-bottom:6px}
.the-gia .phu{font-size:13.5px;color:var(--chu-nhat);margin-bottom:18px;font-weight:300}
.so-gia{font-family:'Playfair Display',serif;font-size:34px;color:var(--vang);line-height:1;margin-bottom:3px}
.so-gia small{font-size:14px;color:var(--chu-nhat);font-family:'Be Vietnam Pro',sans-serif;font-weight:300}
.gia-goc{font-size:13.5px;color:var(--chu-nhat);margin-bottom:18px;display:block;font-weight:300}
.gia-goc s{text-decoration:line-through;text-decoration-color:var(--vang)}
.the-gia ul{list-style:none;margin-bottom:22px;flex:1}
.the-gia li{
  font-size:14.5px;padding:8px 0 8px 27px;position:relative;
  border-bottom:1px dashed var(--vien);font-weight:300;
}
.the-gia li:last-child{border-bottom:0}
.the-gia li .ic-nho{position:absolute;left:0;top:11px;color:var(--vang);vertical-align:0}
.the-gia .nut{width:100%}
.ghi-chu-gia{margin-top:26px;font-size:13.5px;color:var(--chu-nhat);text-align:center;font-weight:300}

/* ---------- Concept ---------- */
.luoi-concept{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:36px}
.concept{position:relative;border-radius:var(--bo);overflow:hidden;aspect-ratio:3/4;min-height:230px;max-height:420px}
.concept img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.concept:hover img{transform:scale(1.06)}
.concept-chu{
  position:absolute;inset:auto 0 0 0;padding:34px 16px 16px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(25,20,17,.86));
}
.concept-chu b{font-family:'Playfair Display',serif;font-size:17px;display:block}
.concept-chu span{font-size:13px;color:var(--vang-sang);font-weight:500}

/* ---------- Thư viện ---------- */
/* ---------- Băng ảnh trượt ngang ---------- */
.thu-vien{background:var(--toi);color:#fff;overflow:hidden}
.thu-vien h2{color:#fff}
.thu-vien .mo-ta{color:rgba(255,255,255,.7)}
.thu-vien .hook{color:var(--vang-sang)}

.bang-anh{position:relative;margin-top:clamp(18px,3vw,34px)}
.cuon{
  display:flex;gap:14px;
  overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;scroll-behavior:smooth;
  padding:6px 20px 10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.cuon::-webkit-scrollbar{display:none}
.the-anh{
  flex:0 0 auto;margin:0;
  width:clamp(190px,23vw,280px);
  scroll-snap-align:center;
  border-radius:10px;overflow:hidden;
  box-shadow:0 18px 44px -22px rgba(0,0,0,.9);
}
.the-anh img{
  width:100%;aspect-ratio:3/4;object-fit:cover;display:block;
  cursor:zoom-in;transition:transform .5s ease, filter .35s ease;
  filter:brightness(.9);
}
.the-anh:hover img{transform:scale(1.05);filter:brightness(1.03)}

/* Mũi tên lật trang — chỉ hiện trên máy tính */
.mui-ten{
  display:none;position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:46px;height:46px;border-radius:50%;
  align-items:center;justify-content:center;
  background:rgba(30,25,22,.82);color:var(--vang-sang);
  border:1px solid var(--vien);backdrop-filter:blur(8px);cursor:pointer;
  transition:background .2s, color .2s, border-color .2s;
}
.mui-ten:hover{background:var(--vang);color:#fff;border-color:var(--vang)}
.mui-ten .ic{width:20px;height:20px;stroke-width:1.6}
.mui-ten.trai{left:14px}
.mui-ten.phai{right:14px}
@media(min-width:900px){
  .mui-ten{display:flex}
  .cuon{padding-left:64px;padding-right:64px}
}

.goi-y{
  text-align:center;margin-top:clamp(14px,2.4vw,26px);
  font-size:13px;color:rgba(255,255,255,.5);font-weight:300;letter-spacing:.04em;
}

/* ---------- Quy trình ---------- */
.buoc{display:grid;grid-template-columns:1fr;gap:0;margin-top:38px;counter-reset:b}
.b{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--vien);counter-increment:b}
.b:last-child{border-bottom:0}
.b::before{
  content:counter(b,decimal-leading-zero);font-family:'Playfair Display',serif;font-size:26px;
  color:var(--vang);flex-shrink:0;width:44px;line-height:1.1;
}
.b h3{font-size:17.5px;margin-bottom:4px}
.b p{font-size:14.5px;color:var(--chu-nhat);font-weight:300}

/* ---------- Cam kết ---------- */
.cam-ket{background:var(--toi);color:#fff}
.cam-ket h2{color:#fff}
.cam-ket .mo-ta{color:rgba(255,255,255,.75)}
.luoi-cam{display:grid;grid-template-columns:1fr;gap:14px;margin-top:38px;align-items:stretch}
.the-cam{border:1px solid rgba(255,255,255,.16);border-radius:var(--bo);padding:26px 24px;background:rgba(255,255,255,.04)}
.the-cam .ic{margin-bottom:16px;color:var(--vang-sang)}
.the-cam h3{font-size:17.5px;color:#fff;margin-bottom:7px}
.the-cam p{font-size:14.5px;color:rgba(255,255,255,.75);font-weight:300}

/* ---------- Chi nhánh ---------- */
.luoi-cn{display:grid;grid-template-columns:1fr;gap:18px;margin-top:38px;align-items:stretch}
.cn{
  border:1px solid var(--vien);border-radius:var(--bo);overflow:hidden;background:#fff;
  box-shadow:var(--bong);display:flex;flex-direction:column;
}
.cn img{width:100%;height:clamp(180px,20vw,240px);min-height:180px;max-height:240px;object-fit:cover}
.cn-noi{padding:24px;display:flex;flex-direction:column;flex:1}
.cn .the-nho{margin-top:auto}
.cn-noi .vung{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--vang);font-weight:700;margin-bottom:7px}
.cn-noi h3{font-size:21px;margin-bottom:8px}
.cn-noi .dia{font-size:15px;color:var(--chu-nhat);margin-bottom:14px;font-weight:300}
.the-nho{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}
.the-nho span{font-size:12.5px;background:var(--vang-nhat);color:#8A6D1F;padding:5px 12px;border-radius:100px;font-weight:500}
.cn-nut{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:4px}
.cn-nut .nut{flex:1;padding:12px 18px;font-size:14px}

/* ---------- FAQ ---------- */
.faq{background:var(--nen-2)}
.hoi{max-width:820px;margin:38px auto 0}
details{background:#fff;border:1px solid var(--vien);border-radius:12px;margin-bottom:10px;overflow:hidden}
details[open]{border-color:var(--vang)}
summary{padding:19px 52px 19px 22px;font-weight:600;cursor:pointer;list-style:none;position:relative;font-size:15.5px}
summary::-webkit-details-marker{display:none}
summary::after{
  content:'';position:absolute;right:24px;top:50%;width:13px;height:13px;
  margin-top:-6px;
  background:
    linear-gradient(var(--vang),var(--vang)) center/13px 1.3px no-repeat,
    linear-gradient(var(--vang),var(--vang)) center/1.3px 13px no-repeat;
  transition:transform .2s;
}
details[open] summary::after{background:linear-gradient(var(--vang),var(--vang)) center/13px 1.3px no-repeat}
details .tra{padding:0 22px 22px;color:var(--chu-nhat);font-size:15px;font-weight:300}
details .tra ul{margin:10px 0 0 18px}
details .tra li{margin-bottom:5px}

/* ---------- Form ---------- */
.lien-he{background:var(--vang-nhat)}
.hop-form{
  background:#fff;border-radius:var(--bo);padding:clamp(26px,4.5vw,44px);
  max-width:620px;margin:0 auto;box-shadow:var(--bong);border:1px solid var(--vien);
}
.hop-form h2{font-size:clamp(24px,3.6vw,32px);margin-bottom:8px;text-align:center}
.hop-form>p{text-align:center;color:var(--chu-nhat);margin-bottom:26px;font-size:15px;font-weight:300}
.hang{display:grid;grid-template-columns:1fr;gap:14px}
label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
input,select,textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--vien);border-radius:10px;
  font-family:inherit;font-size:15.5px;color:var(--chu);background:var(--nen);transition:border-color .15s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--vang);background:#fff}
.o{margin-bottom:16px}
.bao{margin-top:16px;padding:14px 16px;border-radius:10px;font-size:14.5px;display:none}
.bao.ok{display:block;background:#EAF6EC;color:#1F6B2C;border:1px solid #BFE3C6}
.bao.loi{display:block;background:#FDECEC;color:#9B2C2C;border:1px solid #F5C6C6}
.rieng-tu{font-size:12.5px;color:var(--chu-nhat);text-align:center;margin-top:14px;font-weight:300}

/* ---------- Chân trang ---------- */
footer{background:var(--toi);color:rgba(255,255,255,.72);padding:56px 0 28px;font-size:14.5px;font-weight:300}
.chan{display:grid;grid-template-columns:1fr;gap:32px;margin-bottom:36px}
footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600;font-family:'Be Vietnam Pro',sans-serif}
footer a,.dong-chan{
  color:rgba(255,255,255,.72);text-decoration:none;
  display:flex;align-items:center;gap:9px;padding:5px 0;transition:color .15s;
}
footer a:hover{color:var(--vang-sang)}
.logo-chan img{height:74px;margin-bottom:16px}
.day-cuoi{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- Thanh gọi cố định (mobile) ---------- */
.thanh-goi{
  position:fixed;bottom:0;left:0;right:0;z-index:60;display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--vien);border-top:1px solid var(--vien);
}
.thanh-goi a{
  background:#fff;padding:15px 4px;text-align:center;text-decoration:none;font-weight:600;font-size:14px;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.thanh-goi a.zalo{background:var(--vang);color:#fff}
.thanh-goi a.fb{background:#1877F2;color:#fff}

/* ---------- Lightbox ---------- */
.den{
  position:fixed;inset:0;background:rgba(20,16,13,.94);z-index:100;display:none;
  align-items:center;justify-content:center;padding:20px;cursor:zoom-out;
}
.den.mo{display:flex}
.den img{max-width:100%;max-height:92vh;object-fit:contain;border-radius:8px}
.den .dong{position:absolute;top:20px;right:24px;color:#fff;font-size:36px;line-height:1;background:none;border:0;cursor:pointer}

/* ---------- Màn hình lớn ---------- */
@media(min-width:640px){
  .luoi-dau{grid-template-columns:repeat(2,1fr);gap:16px}
  .luoi-goi{grid-template-columns:repeat(3,1fr)}
  .mon{min-height:160px}
  .the-gia .phu{min-height:3.9em}
  .gia-goc{min-height:3.2em}
  .hang{grid-template-columns:1fr 1fr}
  .luoi-cam{grid-template-columns:repeat(3,1fr)}
  .luoi-concept{grid-template-columns:repeat(4,1fr)}
  .tin-cay{grid-template-columns:repeat(4,1fr)}
}
@media(min-width:900px){
  body{padding-bottom:0}
  .thanh-goi{display:none}
  .menu{display:flex}
  .chi-may-tinh{display:inline-flex}
  .dau-logo{padding:20px 20px 12px}
  .dau-logo img{height:96px}
  .dau-duoi{justify-content:space-between}
  .luoi-dau{grid-template-columns:repeat(4,1fr)}
  .luoi-goi{grid-template-columns:repeat(5,1fr)}
  .luoi-gia{grid-template-columns:repeat(3,1fr);gap:22px}
  .the-gia .phu{min-height:3.9em}
  .gia-goc{min-height:3.2em}
  .mon{min-height:168px}
  .luoi-cn{grid-template-columns:repeat(2,1fr)}
  .luoi-fb{grid-template-columns:repeat(2,1fr);gap:24px}
  .chan{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  .buoc{grid-template-columns:repeat(5,1fr);gap:22px}
  .b{border-bottom:0;border-top:2px solid var(--vien);flex-direction:column;gap:8px;padding-top:18px}
  .b::before{width:auto}
}

/* ==========================================================
   NỀN TỐI ĐỒNG NHẤT + HOA VĂN LOGO CHÌM
   Khối này viết cuối cùng nên đè lên các luật phía trên.
   Muốn quay lại nền sáng: xoá nguyên khối này.
   ========================================================== */
:root{
  --nen:#1E1916; --nen-2:#1E1916; --toi:#1E1916;
  --chu:#F2EADE; --chu-nhat:#B3A493;
  --vien:rgba(223,181,126,.17);
  --bong:0 1px 2px rgba(0,0,0,.3), 0 18px 44px -20px rgba(0,0,0,.85);
}
body{background:#1E1916;color:var(--chu)}

/* Hoa văn logo: cố định phía sau, không bắt chuột, không cuộn theo */
body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:url("https://res.cloudinary.com/wkf489tv/image/upload/f_auto,q_auto/trung-nguyen-bridal/thuong-hieu/hoa-van-nen") repeat;
  background-size:760px 760px;
  opacity:.85;
}
/* Mọi thứ nhìn thấy được đều nằm trên hoa văn.
   CHÚ Ý: chỉ đặt position cho các khối chạy theo dòng trang.
   KHÔNG đưa vào đây: header (position:sticky), .den (khung xem ảnh, position:fixed),
   .thanh-goi và .len-dau (đều fixed) — đặt lại thành relative là hỏng vị trí. */
.hero,section,footer{position:relative;z-index:1}
header{z-index:50}
.thanh-goi{z-index:60}
.den{z-index:100}

/* Các dải màu cũ nhường chỗ cho nền chung */
.hero,section,footer,.dau-dau,.gia,.thu-vien,.cam-ket,.faq,.lien-he{background:transparent}

h1,h2,h3,.chot-dau p,.tin-cay b,.the-gia h3,.cn-noi h3,.the-fb h3,.hop-form h2{color:var(--chu)}
.mo-ta,.the-dau p,.mon span,.b p,.the-gia .phu,.cn-noi .dia,.the-fb .theo-doi,.hop-form>p,.rieng-tu,.ghi-chu-gia,details .tra{color:var(--chu-nhat)}

/* Thẻ nổi trên nền: kính mờ nhạt thay cho nền trắng */
.the-dau,.mon,.the-gia,details,.cn,.the-fb,.hop-form,.the-cam{
  background:rgba(255,255,255,.045);
  border-color:var(--vien);
  backdrop-filter:blur(3px);
}
.the-gia.noi-bat{background:rgba(184,145,47,.11);border-color:var(--vang)}
.chot-dau{background:rgba(0,0,0,.34);border:1px solid var(--vien)}
.cn-noi,.hop-fb{background:transparent}
.hop-fb{border-color:var(--vien)}

/* Nút và ô nhập theo nền tối */
.nut-phu{background:transparent;color:var(--chu);border-color:var(--vien)}
.nut-phu:hover{background:rgba(223,181,126,.1);border-color:var(--vang-sang);color:var(--vang-sang)}
.nhan{background:transparent;color:var(--vang-sang);border-color:var(--vien)}
.the-nho span{background:rgba(223,181,126,.12);color:var(--vang-sang)}
input,select,textarea{background:rgba(0,0,0,.3);color:var(--chu);border-color:var(--vien)}
input:focus,select:focus,textarea:focus{background:rgba(0,0,0,.45);border-color:var(--vang-sang)}
input::placeholder{color:rgba(179,164,147,.6)}
label{color:var(--chu)}
.bao.ok{background:rgba(31,107,44,.18);color:#9FD9AB;border-color:rgba(159,217,171,.35)}
.bao.loi{background:rgba(155,44,44,.18);color:#F0B0B0;border-color:rgba(240,176,176,.35)}

/* Đường kẻ, viền, địa chỉ */
.the-gia li,.b,.day-cuoi,.tin-cay,.dia-chi{border-color:var(--vien)}
.dia-chi{color:var(--chu)}
.dia-chi:hover{color:var(--vang-sang);border-color:var(--vang-sang)}
.dia-chi small{color:var(--chu-nhat)}

/* Thanh gọi dưới màn hình điện thoại */
.thanh-goi{background:var(--vien);border-top-color:var(--vien)}
.thanh-goi a{background:#2A2320;color:var(--chu)}

/* Băng ảnh vốn đã tối — bỏ nền riêng để hoa văn xuyên qua */
.bang-anh{background:transparent}

/* ---------- Nút lên đầu trang (bám theo người đọc) ---------- */
.len-dau{
  position:fixed;right:20px;bottom:88px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(30,25,22,.82);color:var(--vang-sang);
  border:1px solid var(--vien);backdrop-filter:blur(8px);
  cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s, background .2s, border-color .2s;
  box-shadow:0 10px 30px -12px rgba(0,0,0,.9);
}
.len-dau.hien{opacity:1;visibility:visible;transform:translateY(0)}
.len-dau:hover{background:var(--vang);color:#fff;border-color:var(--vang)}
.len-dau .ic{width:20px;height:20px;stroke-width:1.6}
@media(min-width:900px){
  .len-dau{right:28px;bottom:28px;width:52px;height:52px}
  .len-dau .ic{width:22px;height:22px}
}
@media (prefers-reduced-motion: reduce){
  .len-dau{transition:none}
}








/* ===== MẪU VÁY ===== */
.dong-vay{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.chip-dong{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;
  border:1px solid var(--vien);background:transparent;color:inherit;font:inherit;font-size:14px;
  font-weight:600;letter-spacing:.02em;cursor:pointer;transition:background .2s ease}
.chip-dong:hover{background:var(--vien)}
.chip-dong.dang-xem{background:var(--vang);color:#fff;border-color:transparent}
.chip-dong.chi-doc{cursor:default;opacity:.75}
.chip-dong.chi-doc:hover{background:transparent}
.chip-dong small{font-weight:400;opacity:.75}
.luoi-vay{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:28px}
.the-vay{position:relative;border-radius:var(--bo);overflow:hidden;aspect-ratio:2/3;background:#efe9e3;
  border:0;padding:0;cursor:zoom-in;display:block;width:100%}
.the-vay img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.the-vay:hover img{transform:scale(1.05)}
.the-vay.an{display:none}
.the-vay .so{position:absolute;left:8px;bottom:8px;padding:3px 9px;border-radius:999px;
  background:rgba(25,20,17,.62);color:#fff;font-size:11px;letter-spacing:.04em}
.phan-trang{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;align-items:center;margin-top:28px}
.trang-so{min-width:40px;height:40px;padding:0 12px;border-radius:10px;border:1px solid var(--vien);
  background:transparent;color:inherit;font:inherit;font-size:15px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;transition:background .2s ease}
.trang-so:hover:not(:disabled){background:var(--vien)}
.trang-so.dang{background:var(--vang);color:#fff;border-color:transparent;font-weight:600}
.trang-so:disabled{opacity:.35;cursor:default}
.trang-lui{font-size:18px;line-height:1}
.vay-dem{display:block;text-align:center;margin-top:12px;font-size:14px;opacity:.7}

/* xem phóng to */
.xem-vay{position:fixed;inset:0;z-index:200;background:rgba(20,16,13,.94);display:none;
  align-items:center;justify-content:center;padding:24px}
.xem-vay.mo{display:flex}
.xem-vay img{max-width:min(92vw,660px);max-height:88vh;object-fit:contain;border-radius:var(--bo)}
.xem-vay .dong,.xem-vay .truoc,.xem-vay .sau{position:absolute;background:rgba(255,255,255,.12);
  border:0;color:#fff;cursor:pointer;border-radius:999px;width:46px;height:46px;font-size:22px;line-height:1}
.xem-vay .dong{top:20px;right:20px}
.xem-vay .truoc{left:16px;top:50%;transform:translateY(-50%)}
.xem-vay .sau{right:16px;top:50%;transform:translateY(-50%)}
.xem-vay .dong:hover,.xem-vay .truoc:hover,.xem-vay .sau:hover{background:rgba(255,255,255,.24)}
.xem-vay .stt{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);color:#fff;opacity:.8;font-size:14px}
@media(min-width:700px){ .luoi-vay{grid-template-columns:repeat(4,1fr);gap:12px} }
@media(min-width:1100px){ .luoi-vay{grid-template-columns:repeat(6,1fr)} }
/* ===== /MẪU VÁY ===== */