/* ==========================================================================
   TTD Hoang Huy Commerce – CSS chính
   Màu lấy từ web cũ: nâu đất #824635 (nền khối), cam đất (tiêu đề), vàng đồng (hoa văn).
   Cặp màu chữ/nền đã chọn để đạt tương phản WCAG AA (chữ thường ≥ 4.5:1, tiêu đề lớn ≥ 3:1).
   ========================================================================== */

:root {
	--nau: #824635;          /* nền khối nâu; chữ trắng 7,3:1 */
	--nau-dam: #6a3528;
	--nau-chu: #8a3f2c;      /* chữ nâu trên nền trắng 7,4:1 */
	--do-ruou: #710e36;
	--cam: #d4553a;          /* chỉ dùng cho tiêu đề/chữ lớn: trên nền trắng 4,1:1 */
	--cam-nhat: #fcc8b4;     /* chữ cam trên nền nâu 4,9:1 */
	--cam-dam: #b6442c;      /* chữ cam cỡ nhỏ trên nền trắng 5,5:1 */
	--vang: #ac8b48;
	--chu: #3b3838;
	--chu-nhat: #5d5655;
	--nen: #ffffff;
	--nen-kem: #faf5f1;
	--vien: #e5d6cd;
	--bong: 0 10px 30px rgba(59, 30, 20, .12);
	--khung: 1200px;
	--phong-chu: "Montserrat", "Segoe UI", Arial, sans-serif;
	--phong-ve: "Dancing Script", "Segoe Script", cursive;
	--dau-cao: 76px;
}

/* Khu tòa H1 (web cũ dùng tông đỏ rượu): chữ trắng trên nền 11,6:1 · chữ cam nhạt trên nền 7,7:1 */
.hhc-khu-h1 {
	--nau: #710e36;
	--nau-dam: #560a29;
	--nau-chu: #710e36;
}

/* ---------- Nền tảng ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--dau-cao) + 12px); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { margin: 0; font-family: var(--phong-chu); font-size: 15px; line-height: 1.75; color: var(--chu); background: var(--nen); overflow-x: hidden; }
img { max-width: 100%; height: auto; vertical-align: middle; }
a { color: var(--nau-chu); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--do-ruou); }
:focus-visible { outline: 2px solid var(--cam); outline-offset: 3px; }
h1, h2, h3, h4 { line-height: 1.3; margin: 0 0 .6em; }
p { margin: 0 0 1em; }
button { font: inherit; cursor: pointer; }

.hhc-an-chu { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.hhc-bo-qua { position: absolute; left: 8px; top: -60px; z-index: 1000; background: var(--nau); color: #fff; padding: 10px 16px; }
.hhc-bo-qua:focus { top: 8px; }
.hhc-khung { width: 100%; max-width: var(--khung); margin: 0 auto; padding: 0 16px; }
.hhc-khung--hep { max-width: 900px; }
.hhc-giua { text-align: center; }
.hhc-nen-nau { background: var(--nau); color: #fff; }
.hhc-nen-nau a:not(.hhc-nut) { color: #fff; }
.hhc-nen-nau .hhc-tin-moi__hop a:not(.hhc-nut) { color: var(--nau-chu); }

/* Tiêu đề khối: dòng chính in hoa + dòng phụ cam */
.hhc-tieu-de { margin: 0 0 18px; font-weight: 500; }
.hhc-tieu-de__chinh { display: block; font-size: 26px; letter-spacing: .04em; text-transform: uppercase; color: var(--nau-chu); }
.hhc-tieu-de__phu { display: block; margin-top: 4px; font-size: 22px; font-weight: 600; color: var(--cam); text-transform: uppercase; }
.hhc-nen-nau .hhc-tieu-de__chinh { color: #fff; }
.hhc-nen-nau .hhc-tieu-de__phu { color: var(--cam-nhat); }

/* Nút */
.hhc-nut-wrap { margin: 22px 0 0; }
.hhc-nut { display: inline-block; padding: 7px 20px; border: 1px solid currentColor; border-radius: 4px; font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; color: var(--cam-dam); background: transparent; transition: background .2s, color .2s; }
.hhc-nut:hover { background: var(--cam-dam); border-color: var(--cam-dam); color: #fff; }
.hhc-nen-nau .hhc-nut { color: #fff; }
.hhc-nen-nau .hhc-nut:hover { background: #fff; color: var(--nau); border-color: #fff; }
.hhc-nut--dac { background: var(--nau); border-color: var(--nau); color: #fff; }
.hhc-nut--dac:hover { background: var(--do-ruou); border-color: var(--do-ruou); }

/* Khung góc vuông nhỏ (giống hoạ tiết web cũ) */
.hhc-khung-goc { position: relative; border: 1px solid var(--nau); }
.hhc-khung-goc::before, .hhc-khung-goc::after { content: ""; position: absolute; width: 14px; height: 14px; border: 1px solid var(--nau); background: var(--nen); }
.hhc-khung-goc::before { top: -8px; right: -8px; }
.hhc-khung-goc::after { bottom: -8px; left: -8px; }

.hhc-hoa-van { display: block; width: 190px; height: 18px; margin: 10px auto 26px; background: url("../img/hoa-van.webp") center / contain no-repeat; }

/* ---------- Đầu trang ---------- */
.hhc-dau { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: 0 2px 14px rgba(0, 0, 0, .08); }
.admin-bar .hhc-dau { top: 32px; }
.hhc-dau__khung { display: flex; align-items: center; justify-content: center; gap: 28px; max-width: 1120px; height: var(--dau-cao); margin: 0 auto; padding: 0 16px; }
.hhc-dau__menu ul { display: flex; gap: 30px; margin: 0; padding: 0; list-style: none; }
.hhc-dau__menu--trai { flex: 1; display: flex; justify-content: flex-end; }
.hhc-dau__menu--phai { flex: 1; display: flex; justify-content: flex-start; }
.hhc-dau__menu a { display: block; padding: 8px 0; font-size: 13px; font-weight: 600; letter-spacing: .03em; text-transform: uppercase; text-decoration: none; color: var(--nau-chu); white-space: nowrap; }
.hhc-dau__menu a:hover, .hhc-dau__menu .current-menu-item > a { color: var(--do-ruou); box-shadow: inset 0 -2px 0 var(--cam); }
.hhc-dau__menu li { position: relative; }
.hhc-dau__menu .sub-menu { display: none; position: absolute; top: 100%; left: -16px; min-width: 220px; flex-direction: column; gap: 0; padding: 8px 16px; background: #fff; box-shadow: var(--bong); }
.hhc-dau__menu li:hover > .sub-menu, .hhc-dau__menu li:focus-within > .sub-menu { display: flex; }
.hhc-dau__logo { flex: none; }
.hhc-dau__logo img { display: block; width: auto; max-height: 54px; }
.hhc-dau__ten { font-weight: 700; text-decoration: none; color: var(--nau); }
.hhc-dau__mo { display: none; width: 44px; height: 44px; margin-left: auto; border: 0; background: transparent; padding: 10px; }
.hhc-dau__vach, .hhc-dau__vach::before, .hhc-dau__vach::after { display: block; width: 24px; height: 2px; background: var(--nau); border-radius: 2px; transition: transform .2s, opacity .2s; }
.hhc-dau__vach { position: relative; }
.hhc-dau__vach::before, .hhc-dau__vach::after { content: ""; position: absolute; left: 0; }
.hhc-dau__vach::before { top: -7px; }
.hhc-dau__vach::after { top: 7px; }
.hhc-dau__mo[aria-expanded="true"] .hhc-dau__vach { background: transparent; }
.hhc-dau__mo[aria-expanded="true"] .hhc-dau__vach::before { transform: translateY(7px) rotate(45deg); }
.hhc-dau__mo[aria-expanded="true"] .hhc-dau__vach::after { transform: translateY(-7px) rotate(-45deg); }
.hhc-ngan-keo { border-top: 1px solid var(--vien); background: #fff; padding: 8px 16px 18px; max-height: calc(100vh - var(--dau-cao)); overflow: auto; }
.hhc-ngan-keo ul { margin: 0; padding: 0; list-style: none; }
.hhc-ngan-keo a { display: block; padding: 11px 4px; border-bottom: 1px solid var(--vien); font-weight: 600; font-size: 14px; text-transform: uppercase; text-decoration: none; color: var(--nau-chu); }
.hhc-ngan-keo .sub-menu a { padding-left: 18px; text-transform: none; font-weight: 500; }
.hhc-ngan-keo__goi a { display: block; margin-top: 14px; padding: 11px; border: 0; border-radius: 4px; text-align: center; background: var(--nau); color: #fff; }

/* Trang landing: đầu trang trong suốt, nổi trên ảnh trình chiếu; cuộn xuống thì nền trắng */
.hhc-landing .hhc-dau { position: fixed; left: 0; right: 0; background: transparent; box-shadow: none; transition: background .25s, box-shadow .25s; }
.hhc-landing .hhc-dau__khung { margin-top: 14px; height: 64px; background: rgba(255, 255, 255, .86); backdrop-filter: blur(4px); transition: margin .25s; }
.hhc-landing .hhc-dau.is-cuon { background: #fff; box-shadow: 0 2px 14px rgba(0, 0, 0, .08); }
.hhc-landing .hhc-dau.is-cuon .hhc-dau__khung { margin-top: 0; background: transparent; backdrop-filter: none; }

/* ---------- Trình chiếu ---------- */
.hhc-trinh-chieu { position: relative; overflow: hidden; background: var(--nau-dam); }
.hhc-trinh-chieu__ray { position: relative; aspect-ratio: 1920 / 1000; max-height: 100vh; width: 100%; }
.hhc-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .9s ease, visibility 0s .9s; }
.hhc-slide.is-hien { opacity: 1; visibility: visible; transition: opacity .9s ease; }
.hhc-slide img { width: 100%; height: 100%; object-fit: cover; }
.hhc-cham { position: absolute; left: 0; right: 0; bottom: 18px; display: flex; justify-content: center; gap: 10px; }
.hhc-cham button { width: 12px; height: 12px; padding: 0; border: 1px solid #fff; border-radius: 50%; background: transparent; }
.hhc-cham button[aria-selected="true"] { background: #fff; }

/* ---------- Giới thiệu ---------- */
.hhc-gioi-thieu { padding: 44px 0 56px; }
.hhc-gioi-thieu .hhc-khung-goc { padding: 26px 24px 30px; text-align: center; }
.hhc-gioi-thieu__anh img { max-height: 120px; width: auto; margin: 0 auto 10px; }
.hhc-gioi-thieu__tieu-de { margin: 0; font-weight: 600; }
.hhc-gioi-thieu__ten { display: block; font-size: 26px; letter-spacing: .03em; color: var(--nau-chu); }
.hhc-gioi-thieu__khau-hieu { display: block; margin-top: 6px; font-size: 22px; font-weight: 500; color: var(--cam); }
.hhc-dac-diem { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0; padding: 0; list-style: none; }
.hhc-dac-diem li { display: flex; flex-direction: column; align-items: center; font-size: 13px; color: var(--chu); }
.hhc-dac-diem img { width: 64px; height: 64px; object-fit: contain; margin-bottom: 14px; }

/* ---------- Tổng quan ---------- */
.hhc-tong-quan { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.hhc-tong-quan__chu { padding: 56px 40px 48px max(16px, calc((100vw - var(--khung)) / 2 + 16px)); font-size: 14px; }
.hhc-tong-quan__chu .hhc-tieu-de { text-align: center; }
.hhc-tong-quan__icon { margin-top: 26px; }
.hhc-tong-quan__icon img { max-width: 300px; opacity: .9; }
.hhc-tong-quan__anh img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Vị trí ---------- */
.hhc-vi-tri { padding: 64px 0; }
.hhc-vi-tri__luoi { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: center; }
.hhc-vi-tri__ban-do img { width: 100%; box-shadow: var(--bong); }
.hhc-vi-tri__chu { padding: 30px 28px; font-size: 14px; text-align: justify; }
.hhc-vi-tri__chu .hhc-tieu-de { text-align: center; }
.hhc-vi-tri__chu .hhc-tieu-de__chinh { font-size: 16px; font-weight: 600; color: var(--cam-dam); }

/* ---------- Kết nối ---------- */
.hhc-ket-noi { padding: 56px 0; background-image: url("../img/hoa-van-trang.webp"); background-repeat: no-repeat; background-position: right -240px bottom -120px; background-size: 760px auto; }
.hhc-ket-noi__luoi { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.hhc-ket-noi__chu { font-size: 14px; }
.hhc-ket-noi__chu > .hhc-tieu-de { text-align: center; }
.hhc-ket-noi__nhom { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 28px; margin-top: 10px; }
.hhc-nhom__ten { display: flex; align-items: center; gap: 8px; margin: 10px 0 4px; font-size: 13px; font-weight: 700; color: var(--cam-nhat); }
.hhc-nhom__ten img { width: 22px; height: 22px; object-fit: contain; }
.hhc-nhom ul { margin: 0; padding: 0; list-style: none; line-height: 1.7; }
.hhc-ket-noi__so-do { text-align: center; }
.hhc-ket-noi__so-do .hhc-tieu-de__chinh { font-size: 18px; }

/* ---------- Tiện ích ---------- */
.hhc-tien-ich { padding: 52px 0; }
.hhc-tien-ich p { max-width: 900px; margin-left: auto; margin-right: auto; }

/* ---------- Mặt bằng ---------- */
.hhc-mat-bang { padding: 56px 0 60px; }
.hhc-mat-bang p { max-width: 920px; margin-left: auto; margin-right: auto; font-size: 14px; }
.hhc-mat-bang__phu { margin: 28px 0 18px; font-size: 20px; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; }
.hhc-bang-chuyen { position: relative; padding: 0 44px; }
.hhc-bang-chuyen__ray { display: grid; grid-auto-flow: column; grid-template-rows: repeat(2, auto); grid-auto-columns: calc(50% - 10px); gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.hhc-bang-chuyen__ray::-webkit-scrollbar { display: none; }
.hhc-bang-chuyen__muc { display: block; scroll-snap-align: start; background: #fff; }
.hhc-bang-chuyen__muc img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #fff; }
.hhc-bang-chuyen__nut { position: absolute; top: 50%; width: 36px; height: 36px; margin-top: -18px; border: 0; background: transparent; }
.hhc-bang-chuyen__nut::before { content: ""; display: block; width: 14px; height: 14px; margin: auto; border: solid #fff; border-width: 0 3px 3px 0; }
.hhc-bang-chuyen__nut--truoc { left: 0; }
.hhc-bang-chuyen__nut--truoc::before { transform: rotate(135deg); }
.hhc-bang-chuyen__nut--sau { right: 0; }
.hhc-bang-chuyen__nut--sau::before { transform: rotate(-45deg); }
.hhc-bang-chuyen__nut:disabled { opacity: .3; cursor: default; }

/* ---------- Thiết kế ---------- */
.hhc-thiet-ke { position: relative; }
.hhc-trinh-chieu--thiet-ke .hhc-trinh-chieu__ray { aspect-ratio: 1920 / 1080; max-height: 92vh; }
.hhc-thiet-ke__hop { position: absolute; top: 50%; right: max(16px, calc((100vw - var(--khung)) / 2 + 16px)); width: 380px; transform: translateY(-50%); padding: 26px 28px; background: color-mix(in srgb, var(--nau) 94%, transparent); color: #fff; font-size: 14px; text-align: justify; }
.hhc-thiet-ke__hop .hhc-tieu-de { text-align: center; }
.hhc-thiet-ke__hop .hhc-tieu-de__chinh { font-size: 18px; color: #fff; }
.hhc-thiet-ke__hop .hhc-tieu-de__phu { font-size: 26px; color: var(--cam-nhat); }
.hhc-thiet-ke__hop p:last-child { margin-bottom: 0; }

/* ---------- Tin tức ---------- */
.hhc-tin-moi { padding: 40px 0 48px; }
.hhc-tin-moi__hop { padding: 30px 26px 26px; background: #fff; color: var(--chu); }
.hhc-tin-moi__hop .hhc-tieu-de__chinh { color: var(--nau-chu); }
.hhc-tin-moi__hop .hhc-nut { color: var(--cam-dam); }
.hhc-tin-moi__hop .hhc-nut:hover { background: var(--cam-dam); border-color: var(--cam-dam); color: #fff; }
.hhc-luoi-tin { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 24px; }
.hhc-the { display: flex; flex-direction: column; }
.hhc-the__anh { display: block; overflow: hidden; background: var(--nen-kem); aspect-ratio: 16 / 10; }
.hhc-the__anh img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.hhc-the:hover .hhc-the__anh img { transform: scale(1.04); }
.hhc-the__ten { margin: 14px 0 6px; font-size: 15px; font-weight: 600; line-height: 1.45; text-transform: uppercase; }
.hhc-the__ten a { color: var(--nau-chu); text-decoration: none; }
.hhc-the__ten a:hover { color: var(--do-ruou); text-decoration: underline; }
.hhc-the__tom-tat { margin: 0; font-size: 13px; color: var(--chu-nhat); }
.hhc-luoi-tin--mat-bang { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.hhc-the--mat-bang .hhc-the__anh { position: relative; aspect-ratio: 16 / 9; border: 1px solid var(--vien); background: #fff; }
.hhc-the--mat-bang .hhc-the__anh img { object-fit: contain; }
.hhc-the__ma { position: absolute; left: 0; bottom: 0; padding: 4px 14px; background: var(--nau); color: #fff; font-weight: 600; font-size: 13px; }

/* ---------- Đơn vị phát triển ---------- */
.hhc-don-vi { padding: 50px 0 60px; background: url("../img/nen-logo.webp") left -60px top 40px / 360px auto no-repeat; }
.hhc-don-vi__dau img { max-width: 560px; width: 100%; }
.hhc-don-vi__dau p { max-width: 900px; margin: 14px auto 0; font-size: 13px; color: var(--chu-nhat); }
.hhc-don-vi__luoi { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); gap: 26px; align-items: start; margin-top: 34px; }
.hhc-don-vi__tieu-de { margin: 18px 0 0; font-weight: 600; }
.hhc-chu-ve { display: block; font-family: var(--phong-ve); font-size: 30px; font-weight: 600; line-height: 1.2; color: var(--nau-chu); }
.hhc-don-vi__ten { display: block; margin-top: 4px; font-size: 15px; color: var(--do-ruou); }
.hhc-du-an { margin: 0; text-align: center; }
.hhc-du-an__anh { padding: 6px; border: 1px solid var(--cam); }
.hhc-du-an__anh img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.hhc-du-an figcaption { margin-top: 10px; font-size: 12px; line-height: 1.6; }
.hhc-du-an figcaption span { display: block; }
.hhc-du-an__dong-0, .hhc-du-an__dong-1 { font-weight: 700; color: var(--nau-chu); }

/* ---------- Trang con ---------- */
.hhc-dai-tieu-de { padding: 30px 0 26px; background: var(--nau) url("../img/hoa-van-trang.webp") right -200px center / 620px auto no-repeat; color: #fff; }
.hhc-dai-tieu-de__chu { margin: 6px 0 0; font-size: 26px; font-weight: 600; text-transform: uppercase; letter-spacing: .02em; }
.hhc-duong-dan ol { display: flex; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; font-size: 13px; }
.hhc-duong-dan li + li::before { content: "›"; margin: 0 8px; opacity: .7; }
.hhc-duong-dan a { color: #fff; }
.hhc-trang { padding-top: 40px; padding-bottom: 60px; }
.hhc-trong { padding: 30px 0; text-align: center; }
.hhc-ngay { font-size: 13px; color: var(--chu-nhat); }

/* Nội dung bài (từ web cũ) */
.hhc-noi-dung { font-size: 16px; line-height: 1.8; overflow-wrap: break-word; }
.hhc-noi-dung img { display: inline-block; height: auto; }
.hhc-noi-dung .aligncenter, .hhc-noi-dung img.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.hhc-noi-dung h2 { margin-top: 1.4em; font-size: 22px; color: var(--nau-chu); }
.hhc-noi-dung h3 { margin-top: 1.2em; font-size: 18px; color: var(--nau-chu); }
.hhc-noi-dung table { width: 100%; border-collapse: collapse; margin: 0 0 1.2em; }
.hhc-noi-dung td, .hhc-noi-dung th { padding: 6px; vertical-align: top; }
.hhc-noi-dung iframe { max-width: 100%; }
.hhc-noi-dung iframe[src*="youtube"], .hhc-noi-dung iframe[src*="ez-viz"] { width: 100%; height: auto; aspect-ratio: 16 / 9; border: 0; }
.hhc-noi-dung ul, .hhc-noi-dung ol { padding-left: 1.3em; }
.hhc-khoi-chung { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--vien); }
.hhc-mat-bang-lon { margin: 0 0 24px; text-align: center; }
.hhc-mat-bang-lon img { width: 100%; border: 1px solid var(--vien); }
.hhc-lien-quan { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--vien); }
.hhc-lien-quan__tieu-de { font-size: 20px; color: var(--nau-chu); text-transform: uppercase; }

/* Tab (trang Sản phẩm / mặt bằng) */
.hhc-tabs__nav { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px; padding: 0; list-style: none; }
.hhc-tabs__nav button { padding: 6px 14px; border: 1px solid var(--nau); border-radius: 3px; background: #fff; color: var(--nau-chu); font-size: 13px; font-weight: 600; }
.hhc-tabs__nav button[aria-selected="true"] { background: var(--nau); color: #fff; }
.hhc-tabs.is-tab .hhc-tab > h3 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.hhc-tab img { display: block; margin: 0 auto; }

/* Phân trang */
.pagination { margin-top: 36px; }
.nav-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 10px; border: 1px solid var(--vien); text-decoration: none; color: var(--nau-chu); }
.page-numbers.current, .page-numbers:hover { background: var(--nau); border-color: var(--nau); color: #fff; }

/* Ô tìm kiếm */
.search-form { display: flex; gap: 8px; max-width: 520px; margin: 18px auto 28px; }
.search-form label { flex: 1; }
.search-field { width: 100%; height: 42px; padding: 0 12px; border: 1px solid var(--vien); font: inherit; }
.search-submit { height: 42px; padding: 0 18px; border: 0; background: var(--nau); color: #fff; font: inherit; }

/* ---------- Chân trang ---------- */
.hhc-chan { position: relative; color: #fff; background: #2b2420 url("../img/chan-trang.webp") center / cover no-repeat; }
.hhc-chan::before { content: ""; position: absolute; inset: 0; background: rgba(28, 22, 18, .72); }
.hhc-chan > * { position: relative; }
.hhc-chan a { color: #fff; }
.hhc-chan__tren { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding-top: 48px; }
.hhc-chan__tieu-de { margin: 0 0 18px; font-size: 16px; font-weight: 700; text-align: center; text-transform: uppercase; }
.hhc-chan__ghi-chu { margin: 12px 0 0; font-size: 12px; font-style: italic; text-align: center; opacity: .9; }
.hhc-chan__hoa-van { height: 40px; margin: 34px auto 26px; max-width: 1200px; background: url("../img/hoa-van-dai.webp") center / contain no-repeat; }
.hhc-chan__duoi { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding-bottom: 34px; }
.hhc-chan__logo img { max-width: 360px; width: 100%; height: auto; }
.hhc-chan__ten { margin: 0 0 10px; font-size: 16px; font-weight: 700; }
.hhc-chan__cong-ty ul { margin: 0; padding: 0; list-style: none; font-size: 14px; line-height: 2; }
.hhc-chan__ban-quyen { margin: 0; padding: 10px 16px; background: rgba(0, 0, 0, .55); font-size: 12px; text-align: center; color: #e9d9cf; }

.hhc-video { position: relative; aspect-ratio: 16 / 9; background: #000; }
.hhc-video__nut { position: absolute; inset: 0; width: 100%; padding: 0; border: 0; background: #000; }
.hhc-video__nut img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.hhc-video__phat { position: absolute; top: 50%; left: 50%; width: 68px; height: 48px; margin: -24px 0 0 -34px; border-radius: 12px; background: #e62117; }
.hhc-video__phat::after { content: ""; position: absolute; top: 14px; left: 27px; border-style: solid; border-width: 10px 0 10px 17px; border-color: transparent transparent transparent #fff; }
.hhc-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Form nhận tài liệu */
.hhc-form p { margin: 0 0 14px; }
.hhc-form input[type="text"], .hhc-form input[type="tel"] { width: 100%; height: 46px; padding: 0 16px; border: 1px solid rgba(255, 255, 255, .8); border-radius: 4px; background: transparent; color: #fff; font: inherit; }
.hhc-form input::placeholder { color: rgba(255, 255, 255, .85); }
.hhc-form button { width: 100%; height: 46px; border: 0; border-radius: 4px; background: #c44a39; color: #fff; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.hhc-form button:hover { background: var(--do-ruou); }
.hhc-form__bay { position: absolute !important; left: -9999px; }
.hhc-form__bao { padding: 10px 14px; border-radius: 4px; font-size: 14px; }
.hhc-form__bao--ok { background: rgba(46, 125, 50, .9); }
.hhc-form__bao--loi { background: rgba(183, 28, 28, .9); }

/* Biểu tượng nhỏ trước dòng (vẽ bằng CSS, không cần phông icon) */
.hhc-i { position: relative; padding-left: 22px; }
.hhc-i::before { content: ""; position: absolute; left: 0; top: .55em; width: 13px; height: 13px; background: currentColor; -webkit-mask: var(--hhc-icon) center / contain no-repeat; mask: var(--hhc-icon) center / contain no-repeat; }
.hhc-i--goi { --hhc-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15.1 15.1 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25 11.4 11.4 0 0 0 3.6.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1z'/%3E%3C/svg%3E"); }
.hhc-i--dia-chi { --hhc-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a7 7 0 0 0-7 7c0 5.25 7 13 7 13s7-7.75 7-13a7 7 0 0 0-7-7zm0 9.5A2.5 2.5 0 1 1 12 6.5a2.5 2.5 0 0 1 0 5z'/%3E%3C/svg%3E"); }
.hhc-i--thue { --hhc-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8.6 5.4 15.2 12l-6.6 6.6L10 20l8-8-8-8z'/%3E%3C/svg%3E"); }

/* Nút gọi nổi + lên đầu trang */
.hhc-goi-nhanh { position: fixed; right: 16px; bottom: 16px; z-index: 90; display: flex; flex-direction: column; gap: 2px; padding: 8px 14px; border-radius: 6px; background: var(--nau); box-shadow: var(--bong); }
.hhc-goi-nhanh a { color: #fff; font-weight: 700; font-size: 14px; text-decoration: none; line-height: 1.7; }
.hhc-goi-nhanh .hhc-i::before { top: .45em; }
.hhc-len-dau { position: fixed; left: 16px; bottom: 16px; z-index: 90; width: 42px; height: 42px; border-radius: 50%; background: color-mix(in srgb, var(--nau) 85%, transparent); opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s; }
.hhc-len-dau::before { content: ""; position: absolute; top: 17px; left: 15px; width: 11px; height: 11px; border: solid #fff; border-width: 2px 0 0 2px; transform: rotate(45deg); }
.hhc-len-dau.is-hien { opacity: 1; visibility: visible; }

/* Phóng to ảnh */
.hhc-phong-to { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(0, 0, 0, .88); }
.hhc-phong-to img { max-width: 100%; max-height: 100%; object-fit: contain; }
.hhc-phong-to button { position: absolute; top: 12px; right: 12px; width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .15); color: #fff; font-size: 26px; line-height: 1; }

/* ==========================================================================
   Màn hình vừa và nhỏ
   ========================================================================== */
@media (max-width: 1100px) {
	.hhc-dau__menu ul { gap: 18px; }
	.hhc-dau__menu a { font-size: 12px; }
}

@media (max-width: 991px) {
	:root { --dau-cao: 64px; }
	.hhc-dau__menu { display: none !important; }
	.hhc-dau__mo { display: block; }
	.hhc-dau__khung { justify-content: space-between; }
	.hhc-dau__logo img { max-height: 46px; }
	.hhc-landing .hhc-dau__khung { margin-top: 0; background: rgba(255, 255, 255, .92); }
	.hhc-trinh-chieu__ray { aspect-ratio: 4 / 3; }
	.hhc-tong-quan, .hhc-vi-tri__luoi, .hhc-ket-noi__luoi, .hhc-chan__tren, .hhc-chan__duoi { grid-template-columns: 1fr; }
	.hhc-tong-quan__chu { padding: 40px 16px; }
	.hhc-tong-quan__anh { order: -1; }
	.hhc-vi-tri__luoi { gap: 32px; }
	.hhc-thiet-ke__hop { position: static; width: auto; transform: none; }
	.hhc-luoi-tin { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.hhc-don-vi__luoi { grid-template-columns: repeat(3, 1fr); }
	.hhc-don-vi__tieu-de { grid-column: 1 / -1; text-align: center; }
	.hhc-chan__duoi { text-align: center; }
	.hhc-chan__cong-ty ul { display: inline-block; text-align: left; }
	.hhc-chan__logo img { margin: 0 auto; }
}

@media (max-width: 782px) {
	.admin-bar .hhc-dau { top: 46px; }
}

@media (max-width: 640px) {
	body { font-size: 15px; }
	.hhc-tieu-de__chinh { font-size: 22px; }
	.hhc-tieu-de__phu { font-size: 18px; }
	.hhc-gioi-thieu { padding: 32px 0 40px; }
	.hhc-gioi-thieu__ten { font-size: 22px; }
	.hhc-gioi-thieu__khau-hieu { font-size: 18px; }
	.hhc-dac-diem { grid-template-columns: repeat(2, 1fr); }
	.hhc-ket-noi__nhom { grid-template-columns: 1fr; }
	.hhc-bang-chuyen { padding: 0 34px; }
	.hhc-bang-chuyen__ray { grid-template-rows: auto; grid-auto-columns: 100%; }
	.hhc-luoi-tin, .hhc-luoi-tin--mat-bang { grid-template-columns: 1fr; }
	.hhc-tin-moi__hop { padding: 24px 16px; }
	.hhc-don-vi { background-size: 220px auto; }
	.hhc-don-vi__luoi { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
	.hhc-dai-tieu-de__chu { font-size: 21px; }
	.hhc-noi-dung table, .hhc-noi-dung tbody, .hhc-noi-dung tr, .hhc-noi-dung td { display: block; width: 100% !important; }
	.hhc-goi-nhanh { left: 0; right: 0; bottom: 0; flex-direction: row; justify-content: space-around; border-radius: 0; padding: 8px 10px; }
	.hhc-chan { padding-bottom: 46px; }
	.hhc-len-dau { bottom: 60px; }
}

/* Trang nhúng toàn màn hình (ảnh 360): khung tràn ngang, tỉ lệ 16:9 theo chiều rộng như web cũ
   (tour ez-viz chỉ hiện thanh menu riêng khi khung đủ cao) */
.hhc-toan-man { background: #000; }
.hhc-toan-man iframe { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; min-height: 460px; border: 0; }