/* =========================================================
   NỘI THẤT HOÀNG PHÁT – TRANG CHỦ
   Quy ước class: tentrang-vitri-tenbox (trangchu-header-*, trangchu-main-*, trangchu-footer-*)
   ========================================================= */

:root {
  --mau-toi: #221e1a;
  --mau-chu: #26221e;
  --mau-phu: #6b645c;
  --mau-nau: #7a5c36;
  --mau-vang: #d6bd8c;
  --mau-kem: #f3eee5;
  --mau-xam-sang: #c9c0b3;
  --mau-xam: #a89f93;
  --mau-nen: #f3f1ec;
  --mau-vien: #e6e0d6;
  --mau-vien-toi: rgba(243, 238, 229, .16);
  --gradient-vang: linear-gradient(103deg, #d6bd8c 0%, #a48954 100%);
  --font-chu: "Be Vietnam Pro", Arial, sans-serif;
  --font-phu: "Inter", Arial, sans-serif;
  --font-tieude: "Playfair Display", Georgia, serif;
  --khung: 1300px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-chu);
  font-size: 16px;
  line-height: 1.5;
  color: var(--mau-chu);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6, p, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; transition: color .2s, background .2s, border-color .2s, opacity .2s; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; padding: 0; }

/* ---------- Khung ảnh tạm (nền xám) ---------- */
img {
  display: block;
  max-width: 100%;
  height: auto;
  background: #c8c8c8;
  color: transparent;          /* ẩn chữ alt khi chưa có ảnh */
  font-size: 0;
}
/* Ẩn biểu tượng "ảnh lỗi" của trình duyệt khi src còn trống, giữ lại khung xám */
img[src=""] { content: url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"); }

/* ---------- Dùng chung ---------- */
.trangchu-chung-khung {
  width: 100%;
  max-width: calc(var(--khung) + 40px);
  margin: 0 auto;
  padding: 0 20px;
}
.trangchu-main-tieude {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.trangchu-main-tieude h2 {
  font-family: var(--font-tieude);
  font-size: 40px;
  font-weight: 700;
  line-height: 1.33;
}
.trangchu-main-tieude p {
  max-width: 400px;
  font-size: 14px;
  color: var(--mau-phu);
  padding-bottom: 8px;
}
.trangchu-main-tieude .trangchu-main-tieudelink p { max-width: none; padding: 0 0 8px; }
.trangchu-main-tieudelink a {
  font-size: 14px;
  font-weight: 600;
  color: var(--mau-nau);
  border-bottom: 1px solid var(--mau-nau);
}
.trangchu-main-tieudelink a:hover { color: var(--mau-chu); border-color: var(--mau-chu); }
.trangchu-main-xemthem { display: none; }

/* =========================================================
   HEADER
   ========================================================= */
.trangchu-header { position: relative; z-index: 100; background: #fff; }

/* Topbar */
.trangchu-header-topbar { background: var(--mau-toi); font-family: var(--font-phu); font-size: 12px; color: var(--mau-xam-sang); }
.trangchu-header-topbar .trangchu-chung-khung { display: flex; align-items: center; justify-content: space-between; min-height: 36px; }
.trangchu-header-topbartrai, .trangchu-header-topbarphai { display: flex; align-items: center; gap: 40px; }
.trangchu-header-topbar p, .trangchu-header-topbar a { display: flex; align-items: center; gap: 8px; }
.trangchu-header-topbar img { flex: none; }
.trangchu-header-topbar a:hover { color: var(--mau-vang); }
.trangchu-header-topbar strong { font-family: var(--font-chu); font-weight: 700; color: var(--mau-vang); }

/* Main header */
.trangchu-header-main .trangchu-chung-khung { display: flex; align-items: center; gap: 40px; height: 72px; }
.trangchu-header-logo a { display: grid; grid-template-columns: 52px auto; column-gap: 12px; align-items: center; }
.trangchu-header-logo img { grid-row: span 2; width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.trangchu-header-logo strong { white-space: nowrap; font-size: 24px; font-weight: 600; line-height: 1.5; align-self: end; }
.trangchu-header-logo span { white-space: nowrap; font-family: var(--font-phu); font-size: 12px; color: var(--mau-phu); align-self: start; }

.trangchu-header-search {
  flex: 0 1 638px;
  display: flex;
  align-items: center;
  height: 48px;
  margin-left: auto;
  padding: 4px 4px 4px 12px;
  border: 1px solid var(--mau-vang);
  border-radius: 4px;
}
.trangchu-header-searchdanhmuc { position: relative; flex: none; padding-right: 20px; margin-right: 20px; border-right: 1px solid var(--mau-vien); }
.trangchu-header-searchdanhmuc select {
  appearance: none;
  border: 0;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='4' fill='none'%3E%3Cpath d='M.5.5 4 3.5 7.5.5' stroke='%2326221e'/%3E%3C/svg%3E") no-repeat right center;
  padding-right: 20px;
  font-size: 14px;
  font-weight: 600;
  line-height: 24px;
  cursor: pointer;
  outline: 0;
}
.trangchu-header-searchinput { flex: 1; display: flex; align-items: center; gap: 12px; min-width: 0; }
.trangchu-header-searchinput p { flex: none; }
.trangchu-header-searchinput input { flex: 1; min-width: 0; border: 0; outline: 0; background: none; font-size: 16px; }
.trangchu-header-searchinput input::placeholder { color: var(--mau-phu); }
.trangchu-header-searchbtn {
  flex: none;
  width: 120px;
  height: 40px;
  border-radius: 4px;
  background: var(--gradient-vang);
  font-weight: 600;
  color: var(--mau-toi);
}
.trangchu-header-searchbtn:hover { filter: brightness(1.06); }

.trangchu-header-hotline { flex: none; margin-left: auto; }
.trangchu-header-hotline a { display: grid; grid-template-columns: 40px auto; column-gap: 12px; align-items: center; }
.trangchu-header-hotline img { grid-row: span 2; width: 40px; height: 40px; border-radius: 50%; }
.trangchu-header-hotline span { font-family: var(--font-phu); font-size: 12px; color: var(--mau-phu); align-self: end; }
.trangchu-header-hotline strong { font-size: 20px; font-weight: 600; line-height: 1.2; }
.trangchu-header-hotline a:hover strong { color: var(--mau-nau); }

.trangchu-header-togglemenu { display: none; }

/* Thanh nav */
.trangchu-header-nav { border-top: 1px solid var(--mau-vien); border-bottom: 1px solid var(--mau-vien); background: #fff; }
.trangchu-header-nav .trangchu-chung-khung { display: flex; align-items: center; height: 48px; }
.trangchu-header-danhmuc { position: relative; flex: none; width: 310px; height: 100%; margin-right: 40px; }
.trangchu-header-danhmucbtn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  height: 100%;
  padding: 0 20px;
  background: var(--mau-toi);
  color: var(--mau-kem);
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
}
.trangchu-header-danhmucbtn img:last-child { margin-left: auto; transition: transform .2s; }
.trangchu-header-danhmuc ul {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: #fff;
  box-shadow: 0 16px 32px -12px rgba(34, 30, 26, .25);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .2s;
}
.trangchu-header-danhmuc ul a { display: block; padding: 12px 20px; font-size: 15px; border-bottom: 1px solid var(--mau-vien); }
.trangchu-header-danhmuc ul a:hover { background: var(--mau-nen); color: var(--mau-nau); }
.trangchu-header-danhmuc.trangchu-danhmuc-mo ul { opacity: 1; visibility: visible; transform: none; }
.trangchu-header-danhmuc.trangchu-danhmuc-mo .trangchu-header-danhmucbtn img:last-child { transform: rotate(180deg); }

.trangchu-header-menu ul { display: flex; gap: 48px; }
.trangchu-header-menu a { display: block; line-height: 48px; }
.trangchu-header-menu a:hover { color: var(--mau-nau); }
.trangchu-header-menu a[aria-current="page"] { font-weight: 600; }
/* Submenu */
.trangchu-header-menu li { position: relative; }
.trangchu-header-menu li:has(> ul) { display: flex; align-items: center; gap: 6px; }
.trangchu-header-menumo {
  display: block;
  width: 16px;
  height: 16px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2326221e' stroke-width='1.3'/%3E%3C/svg%3E") no-repeat center;
  transition: transform .2s;
}
.trangchu-header-menu li ul {
  position: absolute;
  top: 100%;
  left: -20px;
  z-index: 20;
  display: block;
  min-width: 240px;
  padding: 8px 0;
  background: #fff;
  box-shadow: 0 16px 32px -12px rgba(34, 30, 26, .25);
  border-top: 2px solid var(--mau-vang);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .2s;
}
.trangchu-header-menu li ul li ul { top: -10px; left: 100%; }
.trangchu-header-menu li ul a { padding: 10px 20px; line-height: 1.5; font-size: 15px; white-space: nowrap; }
.trangchu-header-menu li ul a:hover { background: var(--mau-nen); }
.trangchu-header-menu li:hover > ul,
.trangchu-header-menu li:focus-within > ul { opacity: 1; visibility: visible; transform: none; }
.trangchu-header-menu li:hover > .trangchu-header-menumo { transform: rotate(180deg); }
.trangchu-header-baogia { margin-left: auto; }
.trangchu-header-baogia a { display: flex; align-items: center; gap: 12px; font-weight: 600; color: var(--mau-nau); }
.trangchu-header-baogia a:hover { color: var(--mau-chu); }

/* Header dính khi cuộn */
.trangchu-header.trangchu-header-dinh .trangchu-header-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  box-shadow: 0 6px 20px -10px rgba(34, 30, 26, .3);
  animation: trangchu-truot .3s;
}
.trangchu-header.trangchu-header-dinh { padding-bottom: 50px; }
@keyframes trangchu-truot { from { transform: translateY(-100%); } to { transform: none; } }
.trangchu-header-overlay { display: none; }

/* =========================================================
   HERO
   ========================================================= */
.trangchu-main-hero { position: relative; }
.trangchu-main-heroslider { position: relative; }
.trangchu-main-heroslider .swiper-slide img { width: 100%; aspect-ratio: 1600 / 701; object-fit: cover; }
.trangchu-main-heroprev, .trangchu-main-heronext {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-top: -20px;
  border: 1px solid rgba(18, 35, 63, .11);
  border-radius: 50%;
  background: #fff;
  transition: .2s;
}
.trangchu-main-heroprev { left: 30px; }
.trangchu-main-heronext { right: 30px; }
.trangchu-main-heroprev:hover, .trangchu-main-heronext:hover { background: var(--mau-vang); }
.trangchu-main-heroslider .trangchu-main-herodots {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  justify-content: center;
  gap: 12px;
}
.trangchu-main-herodots .swiper-pagination-bullet {
  width: 12px; height: 12px; margin: 0 !important;
  border: 1px solid #fff; background: transparent; opacity: 1;
}
.trangchu-main-herodots .swiper-pagination-bullet-active { background: #fff; }

/* =========================================================
   CHỌN MẪU THEO KHÔNG GIAN
   ========================================================= */
.trangchu-main-khonggian { padding: 60px 0; background: var(--mau-nen); }
.trangchu-main-khonggianlist { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trangchu-main-khonggianitem > p > a { display: block; overflow: hidden; border-radius: 4px; }
.trangchu-main-khonggianitem > p > a img { width: 100%; aspect-ratio: 310 / 400; object-fit: cover; transition: transform .5s; }
.trangchu-main-khonggianitem > p > a:hover img { transform: scale(1.05); }
.trangchu-main-khonggianinfo { position: relative; padding: 20px 60px 0 0; }
.trangchu-main-khonggianinfo h3 { font-size: 20px; font-weight: 600; line-height: 1.5; }
.trangchu-main-khonggianinfo h3 a:hover { color: var(--mau-nau); }
.trangchu-main-khonggianinfo p { font-size: 14px; color: var(--mau-phu); }
.trangchu-main-khonggianinfo p:last-child { position: absolute; top: 22px; right: 0; }
.trangchu-main-khonggianinfo p:last-child a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 47px;
  height: 47px;
  border: 1px solid var(--mau-vien);
  border-radius: 50%;
}
.trangchu-main-khonggianinfo p:last-child a:hover { background: var(--mau-vang); border-color: var(--mau-vang); }

/* =========================================================
   SẢN PHẨM (6 NHÓM)
   ========================================================= */
.trangchu-main-sanpham { overflow: hidden; padding: 60px 0; background: #fff; border-bottom: 1px solid var(--mau-vien); }
.trangchu-main-sanpham:nth-child(even) { background: var(--mau-nen); }
.trangchu-main-sanpham .trangchu-chung-khung { display: flex; gap: 130px; }
.trangchu-main-sanphaminfo { flex: 0 0 310px; display: flex; flex-direction: column; }
.trangchu-main-sanphaminfo h2 { font-family: var(--font-tieude); font-size: 32px; font-weight: 700; line-height: 1.33; margin-bottom: 12px; }
.trangchu-main-sanphaminfo > p { font-size: 14px; color: var(--mau-phu); }
.trangchu-main-sanphamdieuhuong { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: auto; }
.trangchu-main-sanphamdieuhuong p:first-child { flex: 0 0 100%; font-family: var(--font-phu); font-size: 12px; color: var(--mau-phu); margin-bottom: 3px; }
.trangchu-main-sanphamprev, .trangchu-main-sanphamnext {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 47px;
  height: 47px;
  border: 1px solid var(--mau-vien);
  border-radius: 50%;
  background: #fff;
  transition: .2s;
}
.trangchu-main-sanphamprev:hover, .trangchu-main-sanphamnext:hover { background: var(--mau-vang); border-color: var(--mau-vang); }
.trangchu-main-sanphamdieuhuong .swiper-button-disabled { opacity: .4; pointer-events: none; }
.trangchu-main-sanphamdieuhuong p:last-child { margin-left: 3px; }
.trangchu-main-sanphamdieuhuong a {
  font-size: 14px;
  font-weight: 600;
  color: var(--mau-nau);
  border-bottom: 1px solid var(--mau-nau);
}
.trangchu-main-sanphamdieuhuong a:hover { color: var(--mau-chu); border-color: var(--mau-chu); }
.trangchu-main-sanphamslider { flex: 1; min-width: 0; margin: -12px 0 -36px; padding: 12px 0 36px; }
.trangchu-main-sanphamitem {
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 24px rgba(34, 30, 26, .12);
  padding-bottom: 8px;
}
.trangchu-main-sanphamitem > p:first-child { padding: 0; }
.trangchu-main-sanphamitem > p:first-child a { display: block; overflow: hidden; }
.trangchu-main-sanphamitem img { width: 100%; aspect-ratio: 200 / 260; object-fit: cover; transition: transform .5s; }
.trangchu-main-sanphamitem > p:first-child a:hover img { transform: scale(1.05); }
.trangchu-main-sanphamitem h3 { padding: 8px 16px 0; font-size: 16px; font-weight: 600; line-height: 1.5; }
.trangchu-main-sanphamitem h3 a:hover { color: var(--mau-nau); }
.trangchu-main-sanphamitem p { padding: 0 16px; font-family: var(--font-phu); font-size: 12px; color: var(--mau-phu); }

/* =========================================================
   LỢI ÍCH
   ========================================================= */
.trangchu-main-loiich { padding: 60px 0; background: var(--mau-toi); }
.trangchu-main-loiichlist { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trangchu-main-loiichitem { text-align: center; }
.trangchu-main-loiichitem img { width: 60px; height: 60px; margin: 0 auto 12px; border-radius: 50%; }
.trangchu-main-loiichitem strong { display: block; font-size: 20px; font-weight: 600; line-height: 1.5; color: var(--mau-kem); margin-bottom: 8px; }
.trangchu-main-loiichitem p:last-child { max-width: 194px; margin: 0 auto; font-size: 14px; color: var(--mau-xam-sang); }

/* =========================================================
   BÀI VIẾT – CÔNG TRÌNH ỐP TƯỜNG THỰC TẾ
   ========================================================= */
.trangchu-main-baiviet { padding: 60px 0; background: #fff; border-bottom: 1px solid var(--mau-vien); }
.trangchu-main-baivietlist { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.trangchu-main-baivietnoibat > p:first-child { margin-bottom: 16px; }
.trangchu-main-baivietnoibat > p:first-child a { display: block; overflow: hidden; border-radius: 4px; }
.trangchu-main-baivietnoibat img { width: 100%; aspect-ratio: 640 / 400; object-fit: cover; transition: transform .5s; }
.trangchu-main-baivietnoibat > p:first-child a:hover img { transform: scale(1.04); }
.trangchu-main-baivietnoibat span, .trangchu-main-baivietitemtext span { display: block; font-size: 12px; font-weight: 700; color: var(--mau-nau); }
.trangchu-main-baivietnoibat h3 { margin: 8px 0 16px; font-family: var(--font-tieude); font-size: 28px; font-weight: 700; line-height: 1.4; }
.trangchu-main-baivietnoibat h3 a:hover, .trangchu-main-baivietitemtext h3 a:hover { color: var(--mau-nau); }
.trangchu-main-baivietnoibat p:last-child { font-size: 14px; color: var(--mau-phu); }
.trangchu-main-baivietcot { display: flex; flex-direction: column; gap: 20px; }
.trangchu-main-baivietitem { display: flex; gap: 20px; }
.trangchu-main-baivietitem > p { flex: 0 0 160px; }
.trangchu-main-baivietitem > p a { display: block; overflow: hidden; border-radius: 4px; }
.trangchu-main-baivietitem > p a img { width: 100%; aspect-ratio: 160 / 100; object-fit: cover; transition: transform .5s; }
.trangchu-main-baivietitem > p a:hover img { transform: scale(1.06); }
.trangchu-main-baivietitemtext { flex: 1; padding-top: 15px; border-bottom: 1px solid var(--mau-vien); }
.trangchu-main-baivietitemtext h3 { margin-top: 4px; font-size: 16px; font-weight: 600; line-height: 1.5; }

/* =========================================================
   VIDEO THI CÔNG
   ========================================================= */
.trangchu-main-video { padding: 60px 0; background: var(--mau-toi); color: var(--mau-kem); }
.trangchu-main-video .trangchu-main-tieude p { color: var(--mau-xam-sang); }
.trangchu-main-videolist { display: flex; gap: 20px; }
.trangchu-main-videochinh { flex: 0 0 calc((100% - 20px) * .6718); }
.trangchu-main-videoanh { position: relative; overflow: hidden; border-radius: 4px; cursor: pointer; background: #000; }
.trangchu-main-videoanh > p:first-child img { width: 100%; aspect-ratio: 860 / 484; object-fit: cover; }
.trangchu-main-videoanh::after { content: ""; position: absolute; inset: 0; background: rgba(34, 30, 26, .15); pointer-events: none; }
.trangchu-main-videoplay {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  transition: transform .3s;
}
.trangchu-main-videoplay img { width: 80px; height: 80px; border-radius: 50%; }
.trangchu-main-videoplay:hover { transform: translate(-50%, -50%) scale(1.08); }
.trangchu-main-videoanh > p:nth-of-type(2) {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 2;
  padding: 8px 12px;
  border-radius: 4px;
  background: rgba(34, 30, 26, .8);
  font-weight: 600;
}
.trangchu-main-videoiframe { position: absolute; inset: 0; z-index: 4; display: none; }
.trangchu-main-videothongbao { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; height: 100%; padding: 24px; background: var(--mau-toi); text-align: center; font-size: 14px; color: var(--mau-xam-sang); }
.trangchu-main-videothongbao a { display: inline-block; margin-top: 8px; padding: 10px 20px; border-radius: 4px; background: var(--gradient-vang); font-weight: 600; color: var(--mau-toi); }
.trangchu-main-videoiframe iframe { display: block; width: 100%; height: 100%; border: 0; }
.trangchu-main-videoanh.trangchu-video-dangphat { cursor: default; }
.trangchu-main-videoanh.trangchu-video-dangphat .trangchu-main-videoiframe { display: block; }
.trangchu-main-videoanh.trangchu-video-dangphat .trangchu-main-videoplay,
.trangchu-main-videoanh.trangchu-video-dangphat > p:nth-of-type(2) { display: none; }
.trangchu-main-videomota { display: none; }
.trangchu-main-videocot { flex: 1; display: flex; flex-direction: column; gap: 20px; }
.trangchu-main-videoitem { display: flex; align-items: flex-start; gap: 20px; cursor: pointer; }
.trangchu-main-videoitem > p { flex: 0 0 144px; }
.trangchu-main-videoitem > p a { display: block; overflow: hidden; border: 2px solid transparent; border-radius: 4px; }
.trangchu-main-videoitem > p a img { width: 100%; aspect-ratio: 144 / 80; object-fit: cover; }
.trangchu-main-videoitemtext { padding-top: 3px; }
.trangchu-main-videoitemtext h3 { font-size: 16px; font-weight: 600; line-height: 1.5; }
.trangchu-main-videoitemtext span { font-family: var(--font-phu); font-size: 12px; color: var(--mau-xam); }
.trangchu-main-videoitem:hover h3 { color: var(--mau-vang); }
.trangchu-main-videoitem[aria-current] > p a { border-color: var(--mau-vang); }
.trangchu-main-videoitem[aria-current] h3 { color: var(--mau-vang); }


/* =========================================================
   CÔNG TRÌNH ĐÃ THI CÔNG
   ========================================================= */
.trangchu-main-congtrinh { padding: 60px 0; background: #fff; border-bottom: 1px solid var(--mau-vien); }
.trangchu-main-congtrinh .trangchu-main-tieudelink a,
.trangchu-main-xemthem a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  height: 45px;
  padding: 0 24px;
  border: 1px solid var(--mau-chu);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--mau-chu);
  margin: 0;
}
.trangchu-main-congtrinh .trangchu-main-tieudelink a:hover,
.trangchu-main-xemthem a:hover { background: var(--mau-chu); color: var(--mau-kem); }
.trangchu-main-congtrinhlist { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trangchu-main-congtrinhitem { position: relative; }
.trangchu-main-congtrinhitem > p a { display: block; overflow: hidden; border-radius: 4px; }
.trangchu-main-congtrinhitem img { width: 100%; aspect-ratio: 310 / 420; object-fit: cover; transition: transform .6s; }
.trangchu-main-congtrinhitem > p a:hover img { transform: scale(1.05); }
.trangchu-main-congtrinhlon { grid-column: span 2; }
.trangchu-main-congtrinhlon img { aspect-ratio: 640 / 420; }
.trangchu-main-congtrinhthap img { aspect-ratio: 310 / 300; }
.trangchu-main-congtrinhchu {
  position: absolute;
  left: 20px;
  bottom: 20px;
  padding: 12px 16px;
  border-radius: 4px;
  background: rgba(34, 30, 26, .8);
}
.trangchu-main-congtrinhchu span { display: block; font-family: var(--font-phu); font-size: 12px; color: var(--mau-vang); }
.trangchu-main-congtrinhchu h3 a:hover { color: var(--mau-vang); }
.trangchu-main-congtrinhchu h3 { font-size: 16px; font-weight: 600; line-height: 1.5; color: var(--mau-kem); }

/* =========================================================
   HỆ THỐNG CƠ SỞ
   ========================================================= */
.trangchu-main-coso { padding: 60px 0; background: var(--mau-nen); }
.trangchu-main-coso .trangchu-chung-khung { display: flex; gap: 110px; }
.trangchu-main-cosoinfo { flex: 0 0 330px; }
.trangchu-main-cosoinfo h2 { font-family: var(--font-tieude); font-size: 40px; font-weight: 700; line-height: 1.33; margin-bottom: 20px; }
.trangchu-main-cosoinfo > p { font-size: 16px; color: var(--mau-phu); margin-bottom: 40px; }
.trangchu-main-cosohotline { max-width: 321px; padding: 20px; border-radius: 4px; background: var(--mau-toi); }
.trangchu-main-cosohotline > p { font-size: 14px; color: var(--mau-xam-sang); margin-bottom: 8px; }
.trangchu-main-cosohotline > p:nth-child(2) { margin-bottom: 22px; }
.trangchu-main-cosohotline strong { display: block; white-space: nowrap; font-family: var(--font-tieude); font-size: 40px; font-weight: 700; line-height: 1; text-transform: uppercase; color: var(--mau-vang); }
.trangchu-main-cosonut { display: flex; gap: 20px; }
.trangchu-main-cosonut a {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 45px;
  padding: 0 20px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
}
.trangchu-main-cosonut p:first-child a { background: var(--gradient-vang); color: var(--mau-toi); }
.trangchu-main-cosonut p:last-child a { border: 1px solid var(--mau-vien-toi); color: var(--mau-kem); }
.trangchu-main-cosonut p:first-child a:hover { filter: brightness(1.08); }
.trangchu-main-cosonut p:last-child a:hover { border-color: var(--mau-vang); color: var(--mau-vang); }
.trangchu-main-cosolist { flex: 1; display: grid; grid-template-columns: 1fr 1fr; column-gap: 20px; align-content: start; }
.trangchu-main-cosoitem { display: flex; align-items: center; gap: 12px; padding: 28px 0; border-top: 1px solid var(--mau-vien); }
.trangchu-main-cosoitem:nth-last-child(-n+2) { border-bottom: 1px solid var(--mau-vien); }
.trangchu-main-cosoitem p:first-child { flex: none; }
.trangchu-main-cosoitem img { width: 40px; height: 40px; border-radius: 50%; }
.trangchu-main-cosoitem p { font-size: 14px; }
.trangchu-main-cosoitem span { display: block; font-family: var(--font-phu); font-size: 12px; color: var(--mau-phu); }

/* =========================================================
   FOOTER
   ========================================================= */
.trangchu-footer { padding: 60px 0 20px; background: var(--mau-toi); color: var(--mau-xam-sang); font-size: 14px; }
.trangchu-footer-cot { display: grid; grid-template-columns: 351px 164px 153px 310px; justify-content: space-between; gap: 40px; }
.trangchu-footer .footer-box-title { font-size: 16px; font-weight: 600; line-height: 1.5; color: var(--mau-kem); margin-bottom: 16px; }
.trangchu-footer a:hover { color: var(--mau-vang); }
.trangchu-footer-logo a { display: grid; grid-template-columns: 80px auto; column-gap: 16px; align-items: center; }
.trangchu-footer-logo img { grid-row: span 2; width: 80px; height: 80px; border-radius: 50%; object-fit: cover; }
.trangchu-footer-logo strong { font-size: 24px; font-weight: 600; line-height: 1.5; color: var(--mau-kem); align-self: end; }
.trangchu-footer-logo span { font-family: var(--font-phu); font-size: 12px; color: var(--mau-xam); align-self: start; }
.trangchu-footer-thuonghieu > p { margin: 20px 0 18px; font-style: italic; color: var(--mau-vang); }
.trangchu-footer-thuonghieu ul { display: flex; flex-direction: column; gap: 12px; }
.trangchu-footer-thuonghieu li { display: flex; align-items: center; gap: 8px; }
.trangchu-footer-thuonghieu li img { flex: none; }
.trangchu-footer-link ul { display: flex; flex-direction: column; gap: 12px; }
.trangchu-footer-bando > p:first-of-type { margin-bottom: 16px; }
.trangchu-footer-bando > p:first-of-type a { display: block; overflow: hidden; border-radius: 8px; }
.trangchu-footer-bando > p:first-of-type a img { width: 100%; aspect-ratio: 310 / 200; object-fit: cover; filter: grayscale(1); }
.trangchu-footer-bando > p:last-of-type a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  height: 45px;
  padding: 0 16px;
  border: 1px solid var(--mau-vien-toi);
  border-radius: 4px;
  font-weight: 600;
  color: var(--mau-kem);
}
.trangchu-footer-bando > p:last-of-type a:hover { border-color: var(--mau-vang); }
.trangchu-footer-banquyen { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--mau-vien-toi); text-align: center; }
.trangchu-footer-banquyen p { font-family: var(--font-phu); font-size: 12px; color: var(--mau-xam); }

/* Nút liên hệ cố định */
.trangchu-fixed-lienhe { position: fixed; right: 12px; bottom: 20px; z-index: 90; display: flex; flex-direction: column; gap: 8px; }
.trangchu-fixed-lienhe a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 194px;
  height: 45px;
  padding: 0 20px;
  border-radius: 100px;
  box-shadow: 0 12px 28px -12px rgba(18, 35, 63, .8);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  transition: transform .2s;
}
.trangchu-fixed-lienhe p:first-child a { background: linear-gradient(103deg, #d6bd8c 0%, #a48954 100%); }
.trangchu-fixed-lienhe p:last-child a { background: linear-gradient(103deg, #e0a963 0%, #7a5c36 100%); }
.trangchu-fixed-lienhe a:hover { transform: translateY(-2px); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1399px) {
  .trangchu-header-menu ul { gap: 32px; }
  .trangchu-header-danhmuc { width: 270px; margin-right: 32px; }
  .trangchu-main-sanpham .trangchu-chung-khung { gap: 60px; }
  .trangchu-main-coso .trangchu-chung-khung { gap: 60px; }
  .trangchu-footer-cot { grid-template-columns: 1.4fr .8fr .8fr 1.2fr; }
}

@media (max-width: 1199px) {
  .trangchu-header-main .trangchu-chung-khung { gap: 24px; }
  .trangchu-header-searchdanhmuc { display: none; }
  .trangchu-header-menu ul { gap: 22px; }
  .trangchu-header-menu a, .trangchu-header-baogia a { font-size: 15px; }
  .trangchu-header-danhmuc { width: 230px; margin-right: 24px; }
  .trangchu-header-logo span { display: none; }
  .trangchu-header-logo img { grid-row: auto; }
  .trangchu-header-logo strong { align-self: center; }
  .trangchu-header-baogia a img { display: none; }
  .trangchu-main-sanphaminfo { flex-basis: 260px; }
  .trangchu-main-sanpham .trangchu-chung-khung { gap: 40px; }
  .trangchu-main-videochinh { flex-basis: 60%; }
  .trangchu-main-videoitem > p { flex-basis: 120px; }
  .trangchu-main-videoitemtext h3 { font-size: 15px; }
  .trangchu-main-coso .trangchu-chung-khung { flex-direction: column; gap: 40px; }
  .trangchu-main-cosoinfo { flex: none; }
  .trangchu-footer-cot { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 991px) {
  /* Header mobile */
  .trangchu-header-topbar { display: none; }
  .trangchu-header-main { border-bottom: 1px solid var(--mau-vien); }
  .trangchu-header-main .trangchu-chung-khung { height: 66px; gap: 12px; }
  .trangchu-header-search { display: none; }
  .trangchu-header-hotline span, .trangchu-header-hotline strong { display: none; }
  .trangchu-header-hotline a { display: block; }
  .trangchu-header-logo a { grid-template-columns: 48px auto; column-gap: 10px; }
  .trangchu-header-logo img { width: 48px; height: 48px; }
  .trangchu-header-logo strong { font-size: 20px; line-height: 1.3; align-self: end; }
  .trangchu-header-logo span { display: block; }
  .trangchu-header-logo img { grid-row: span 2; }
  .trangchu-header-togglemenu {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    gap: 6px;
    width: 40px;
    height: 40px;
    padding: 0 10px;
    border: 1px solid var(--mau-vien);
    border-radius: 4px;
  }
  .trangchu-header-togglemenu i { display: block; height: 1.5px; background: var(--mau-chu); border-radius: 2px; transition: .3s; }
  .trangchu-header-togglemenu i:nth-child(1) { width: 18px; }
  .trangchu-header-togglemenu i:nth-child(2) { width: 12px; }
  .trangchu-header-togglemenu i:nth-child(3) { width: 18px; }

  .trangchu-header-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 200;
    width: 300px;
    max-width: 85%;
    overflow-y: auto;
    border: 0;
    transform: translateX(-100%);
    transition: transform .3s;
  }
  .trangchu-header.trangchu-header-dinh .trangchu-header-nav { position: fixed; animation: none; box-shadow: none; }
  .trangchu-header.trangchu-header-dinh { padding-bottom: 0; }
  .trangchu-header-nav .trangchu-chung-khung { flex-direction: column; align-items: stretch; height: auto; padding: 0; }
  .trangchu-header-danhmuc { width: 100%; height: auto; margin: 0; order: 2; }
  .trangchu-header-danhmucbtn { height: 48px; }
  .trangchu-header-danhmuc ul { position: static; display: none; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .trangchu-header-danhmuc.trangchu-danhmuc-mo ul { display: block; }
  .trangchu-header-menu { order: 1; }
  .trangchu-header-menu ul { flex-direction: column; gap: 0; }
  .trangchu-header-menu a { padding: 0 20px; border-bottom: 1px solid var(--mau-vien); }
  .trangchu-header-menu li:has(> ul) { display: flex; flex-wrap: wrap; gap: 0; }
  .trangchu-header-menu li:has(> ul) > a { flex: 1; }
  .trangchu-header-menumo { width: 49px; height: 49px; border-left: 1px solid var(--mau-vien); border-bottom: 1px solid var(--mau-vien); }
  .trangchu-header-menu li:hover > .trangchu-header-menumo { transform: none; }
  .trangchu-header-menumo[aria-expanded="true"] { transform: rotate(180deg) !important; }
  .trangchu-header-menu li ul { position: static; display: none; flex: 0 0 100%; min-width: 0; padding: 0; box-shadow: none; border: 0; background: var(--mau-nen); opacity: 1; visibility: visible; transform: none; }
  .trangchu-header-menu li ul a { padding: 0 20px 0 36px; line-height: 44px; font-size: 14px; }
  .trangchu-header-baogia { order: 3; margin: 20px; }
  .trangchu-header-baogia a img { display: block; }
  .trangchu-header-overlay { position: fixed; inset: 0; z-index: 99; background: rgba(34, 30, 26, .5); opacity: 0; visibility: hidden; transition: .3s; display: block; }
  body.trangchu-menu-mo { overflow: hidden; }
  body.trangchu-menu-mo .trangchu-header-nav { transform: none; }
  body.trangchu-menu-mo .trangchu-header-overlay { opacity: 1; visibility: visible; }
  body.trangchu-menu-mo .trangchu-header-togglemenu i:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  body.trangchu-menu-mo .trangchu-header-togglemenu i:nth-child(2) { opacity: 0; }
  body.trangchu-menu-mo .trangchu-header-togglemenu i:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  /* Nội dung */
  .trangchu-main-tieude h2 { font-size: 34px; }
  .trangchu-main-khonggianlist { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .trangchu-main-sanpham .trangchu-chung-khung { flex-direction: column; gap: 24px; }
  .trangchu-main-sanphaminfo { flex: none; }
  .trangchu-main-sanphaminfo { display: contents; }
  .trangchu-main-sanphaminfo h2 { order: 1; margin-bottom: -12px; }
  .trangchu-main-sanphaminfo > p { order: 2; }
  .trangchu-main-sanphamslider { order: 3; width: 100%; margin: -12px 0 -36px; padding: 12px 0 36px; }
  .trangchu-main-sanphamdieuhuong { order: 4; }
  .trangchu-main-loiichlist { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .trangchu-main-baivietlist { grid-template-columns: 1fr; gap: 32px; }
  .trangchu-main-videolist { flex-direction: column; }
  .trangchu-main-videochinh { flex: none; }
  .trangchu-main-cosolist { grid-template-columns: 1fr 1fr; }
  .trangchu-fixed-lienhe a { min-width: 0; }
}

@media (max-width: 767px) {
  body { padding-bottom: 60px; }
  .trangchu-chung-khung { padding: 0 20px; }
  .trangchu-main-tieude { display: block; margin-bottom: 24px; }
  .trangchu-main-tieude h2 { font-size: 28px; }
  .trangchu-main-tieude p { max-width: none; margin-top: 12px; font-size: 14px; }
  .trangchu-main-tieudelink { display: none; }
  .trangchu-main-xemthem { display: block; margin-top: 24px; }
  .trangchu-main-xemthem a { display: flex; width: 100%; }

  .trangchu-main-heroslider .swiper-slide img { aspect-ratio: 390 / 500; }
  .trangchu-main-heroprev { left: 8px; }
  .trangchu-main-heronext { right: 8px; }
  .trangchu-main-heroslider .trangchu-main-herodots { bottom: 12px; }

  .trangchu-main-khonggian,
  .trangchu-main-sanpham,
  .trangchu-main-loiich,
  .trangchu-main-baiviet,
  .trangchu-main-video,
  .trangchu-main-congtrinh,
  .trangchu-main-coso { padding: 40px 0; }

  .trangchu-main-khonggianlist { gap: 24px 10px; }
  .trangchu-main-khonggianitem > p > a img { aspect-ratio: 170 / 220; }
  .trangchu-main-khonggianinfo { padding: 16px 0 0; }
  .trangchu-main-khonggianinfo h3 { font-size: 18px; }
  .trangchu-main-khonggianinfo p { font-size: 13px; }
  .trangchu-main-khonggianinfo p:last-child { display: none; }

  .trangchu-main-sanphaminfo h2 { font-size: 26px; }
  .trangchu-main-sanphamdieuhuong p:first-child { display: none; }
  .trangchu-main-sanphamdieuhuong p:last-child { order: -1; margin: 0 auto 0 0; }

  .trangchu-main-loiichitem strong { font-size: 18px; }

  .trangchu-main-baivietnoibat h3 { font-family: var(--font-chu); font-size: 20px; font-weight: 600; }
  .trangchu-main-baivietnoibat p:last-child { padding-bottom: 20px; border-bottom: 1px solid var(--mau-vien); }
  .trangchu-main-baivietlist { gap: 20px; }
  .trangchu-main-baivietcot { gap: 0; }
  .trangchu-main-baivietitem { gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--mau-vien); }
  .trangchu-main-baivietitem > p { flex-basis: 80px; }
  .trangchu-main-baivietitem > p a img { aspect-ratio: 1; }
  .trangchu-main-baivietitemtext { padding-top: 0; border: 0; }
  .trangchu-main-baivietitemtext h3 { font-size: 16px; }

  .trangchu-main-videoanh > p:nth-of-type(2) { display: none; }
  .trangchu-main-videoplay img { width: 60px; height: 60px; }
  .trangchu-main-videomota { display: block; padding: 16px 0 12px; }
  .trangchu-main-videomota h3 { font-size: 18px; font-weight: 600; line-height: 1.5; color: var(--mau-vang); }
  .trangchu-main-videomota span { font-family: var(--font-phu); font-size: 12px; color: var(--mau-xam); }
  .trangchu-main-videocot { gap: 16px; }
  .trangchu-main-videoitem { gap: 12px; }
  .trangchu-main-videoitem[aria-current] { display: none; }
  .trangchu-main-videoitem > p { flex-basis: 80px; }
  .trangchu-main-videoitem > p a img { aspect-ratio: 80 / 60; }
  .trangchu-main-videoitemtext h3 { font-size: 15px; }

  .trangchu-main-congtrinhlist { grid-template-columns: 1fr 1fr; gap: 10px; }
  .trangchu-main-congtrinhlon img { aspect-ratio: 358 / 230; }
  .trangchu-main-congtrinhitem img, .trangchu-main-congtrinhthap img { aspect-ratio: 174 / 220; }
  .trangchu-main-congtrinhlon img { aspect-ratio: 358 / 230; }
  .trangchu-main-congtrinhitem:nth-child(4),
  .trangchu-main-congtrinhitem:nth-child(5),
  .trangchu-main-congtrinhthap:nth-last-child(-n+2) { display: none; }
  .trangchu-main-congtrinhchu { left: 10px; bottom: 10px; right: 10px; padding: 10px 12px; }
  .trangchu-main-congtrinhchu h3 { font-size: 14px; }

  .trangchu-main-cosoinfo h2 { font-size: 28px; margin-bottom: 12px; }
  .trangchu-main-cosoinfo > p { font-size: 14px; margin-bottom: 24px; }
  .trangchu-main-cosohotline { max-width: none; }
  .trangchu-main-cosohotline strong { font-size: 32px; }
  .trangchu-main-cosonut { gap: 10px; }
  .trangchu-main-cosonut p { flex: 1; }
  .trangchu-main-cosonut a { padding: 0 12px; }
  .trangchu-main-cosolist { grid-template-columns: 1fr; }
  .trangchu-main-cosoitem { padding: 16px 0; }
  .trangchu-main-cosoitem:nth-last-child(-n+2) { border-bottom: 0; }
  .trangchu-main-cosoitem:last-child { border-bottom: 1px solid var(--mau-vien); }
  .trangchu-main-cosoitem p { font-size: 15px; }

  .trangchu-footer { padding: 40px 0 16px; }
  .trangchu-footer-cot { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .trangchu-footer-thuonghieu, .trangchu-footer-bando { grid-column: 1 / -1; }
  .trangchu-footer-logo a { grid-template-columns: 56px auto; column-gap: 12px; }
  .trangchu-footer-logo img { width: 56px; height: 56px; }
  .trangchu-footer-logo strong { font-size: 20px; }
  .trangchu-footer-bando > p:last-of-type a { display: flex; justify-content: center; }
  .trangchu-footer-banquyen { margin-top: 24px; }

  .trangchu-fixed-lienhe { left: 0; right: 0; bottom: 0; flex-direction: row; gap: 10px; padding: 8px 10px; background: #fff; box-shadow: 0 -4px 16px rgba(0, 0, 0, .08); }
  .trangchu-fixed-lienhe p { flex: 1; }
  .trangchu-fixed-lienhe a { width: 100%; height: 42px; padding: 0 8px; font-size: 13px; box-shadow: none; }
}