*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#ffffff;--bg-alt:#f5f4f2;--bg-alt2:#eeece7;
  --ink:#121212;--ink-soft:#55524c;--ink-mute:#8a8680;
  --line:#e6e4df;--line2:#d8d5cd;
  --gold:#b8892f;--gold-ink:#8a6a24;--gold-soft:#f6ecd6;
  --black:#111111
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'Be Vietnam Pro',sans-serif;font-weight:300;line-height:1.7;overflow-x:hidden;font-size:15px}
a{color:inherit;text-decoration:none}
.container{max-width:1240px;margin:0 auto;padding:0 2rem}

nav{position:sticky;top:0;z-index:200;background:rgba(255,255,255,0.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 0}
.logo{font-family:'Be Vietnam Pro',sans-serif;font-size:1.15rem;font-weight:700;letter-spacing:0.02em;color:var(--black)}
.logo span{color:var(--gold)}
.nav-links{display:flex;gap:2.2rem;align-items:center}
.nav-links a{font-size:0.78rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink);font-weight:500;transition:color 0.2s;position:relative;padding-bottom:2px}
.nav-links a:hover{color:var(--gold-ink)}
.nav-cta{background:var(--black);color:#fff;padding:0.65rem 1.5rem;font-size:0.78rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:600;border:none;cursor:pointer;transition:background 0.2s;white-space:nowrap}
.nav-cta:hover{background:var(--gold-ink)}
.nav-toggle{display:none;background:none;border:none;color:var(--ink);cursor:pointer;font-size:1.3rem;padding:0.2rem}
.mobile-nav{display:none;position:fixed;inset:0;top:60px;background:var(--bg);z-index:190;padding:2rem;flex-direction:column;gap:1.5rem}
.mobile-nav.open{display:flex}
.mobile-nav a{font-size:1rem;letter-spacing:0.04em;text-transform:uppercase;color:var(--ink);font-weight:600;padding:0.5rem 0;border-bottom:1px solid var(--line)}

/* HERO — full-bleed image, bold overlay text */
.hero{position:relative;min-height:86vh;background:#000;overflow:hidden}
.hero-slides{position:absolute;inset:0;z-index:0}
/* background-position/transform:scale() (Zoom) ghi INLINE riêng từng Slide
   (js/home.js renderHeroSlides — mặc định 50% 30%/zoom 100% khớp ĐÚNG giá
   trị cố định "center 30%" cũ, 0 regression cho Slide chưa từng chỉnh).
   Zoom dùng transform (không đổi background-size) để ẢNH LUÔN PHỦ ĐỦ khung
   dù zoom bao nhiêu (background-size:cover đã đảm bảo phủ đủ ở 100%, phóng
   to thêm chỉ crop nhiều hơn, không bao giờ hở nền). */
.hero-slide{position:absolute;inset:0;background-size:cover;opacity:0;transition:opacity 1.4s ease}
.hero-slide.active{opacity:1}
.hero::before{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(0deg,rgba(0,0,0,0.82) 0%,rgba(0,0,0,0.35) 45%,rgba(0,0,0,0.15) 100%)}
.hero .container{position:absolute;inset:0;z-index:2;max-width:none;padding:0;pointer-events:none}
/* Ảnh sản phẩm (Sprint 14) — CHỈ hiện khi Founder đặt "ẢNH NỀN" riêng ở
   admin/sliders.html (2 lớp: ẢNH NỀN = backdrop toàn khung, ẢNH SLIDE = chủ
   thể chồng lên). Founder KHÔNG đặt Ảnh nền = ẢNH SLIDE tự lùi về làm luôn
   backdrop toàn khung như trước (0 regression) — .hero-slide dùng ảnh đã
   TỰ ĐỘNG xóa phông trắng (nếu phát hiện, xem js/admin-sliders.js) nên phần
   trong suốt lộ đúng nền đen #000 của .hero, không còn mảng trắng xấu. z-
   index:2 = NGANG hàng .container, đặt TRÊN lớp phủ tối .hero::before (z1)
   — sản phẩm không bị tối đi, cùng quy ước .category-header-product-img. */
.hero-subject-img{position:absolute;z-index:2;right:6%;top:50%;transform:translateY(-50%);max-width:38%;max-height:72%;object-fit:contain;filter:drop-shadow(0 25px 50px rgba(0,0,0,0.5));pointer-events:none}
.hero-dots{position:absolute;z-index:2;right:2rem;bottom:2rem;display:flex;gap:0.5rem}
.hero-dots button{width:8px;height:8px;border-radius:50%;border:1px solid rgba(255,255,255,0.6);background:transparent;padding:0;cursor:pointer;transition:all 0.2s}
.hero-dots button.active{background:var(--gold);border-color:var(--gold);width:22px;border-radius:5px}
/* Kéo TỰ DO vị trí (thay 9 điểm cũ) + cỡ chữ TỰ DO cho Tiêu đề/Mô tả — mỗi
   khối định vị bằng % thật (không snap), ghi qua CSS custom property trên
   #heroSection (js/home.js updateHeroText()) — Founder chỉnh trong
   admin/sliders.html, kéo trực tiếp trên khung xem trước 16:9 (WYSIWYG, cùng
   %, không quy đổi). Neo ở GÓC TRÊN-TRÁI của khối (không phải tâm) để tránh
   tràn ra ngoài màn hình khi kéo gần mép phải/dưới. */
.hero-tag-block{position:absolute;left:var(--hero-tag-x,8%);top:var(--hero-tag-y,48%);max-width:min(780px,88vw);pointer-events:auto}
.hero-title-block{position:absolute;left:var(--hero-title-x,8%);top:var(--hero-title-y,58%);max-width:min(780px,88vw);pointer-events:auto}
.hero-sub-block{position:absolute;left:var(--hero-sub-x,8%);top:var(--hero-sub-y,80%);max-width:min(480px,80vw);pointer-events:auto}
.hero-btns-block{position:absolute;left:var(--hero-btns-x,8%);top:var(--hero-btns-y,90%);max-width:min(480px,80vw);pointer-events:auto}
.hero-tag{display:inline-flex;align-items:center;gap:0.6rem;font-size:0.75rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--gold);font-weight:600}
.hero h1{font-family:'Be Vietnam Pro',sans-serif;font-size:calc(clamp(2.6rem,6.5vw,5.2rem) * var(--hero-title-scale,1));font-weight:700;line-height:0.98;color:#fff;letter-spacing:-0.01em;margin-bottom:1.3rem;max-width:100%}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-sub{font-size:calc(1.05rem * var(--hero-sub-scale,1));color:rgba(255,255,255,0.82);max-width:100%;margin:0 0 2.2rem;line-height:1.7;font-weight:300}
.hero-btns{display:flex;gap:0.9rem;flex-wrap:wrap}
.btn-gold{background:#fff;color:var(--black);padding:0.9rem 2.1rem;font-size:0.8rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:700;border:none;cursor:pointer;transition:all 0.2s}
.btn-gold:hover{background:var(--gold);color:#fff}
.btn-ghost{background:transparent;color:#fff;padding:0.85rem 2rem;font-size:0.8rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:600;border:1px solid rgba(255,255,255,0.5);cursor:pointer;transition:all 0.2s;display:inline-block}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,0.1)}
.hero-stats{display:none}

/* BANNER ZONE — populated by Banner Manager; renders nothing (0 height) when no active banner is assigned. */
.banner-zone{display:none}
.banner-zone.has-banners{display:block;max-width:1400px;margin:1.5rem auto 0;padding:0 1.5rem}
.banner-zone .banner-item{display:block;margin-bottom:1rem}
.banner-zone .banner-item img{width:100%;height:auto;display:block;border-radius:8px}
.banner-zone .banner-item:last-child{margin-bottom:0}

/* CATEGORY TILES — Pioneer-DJ-store style: big bold label on top, product image floating on a gradient. */
.cat-tiles-section{padding:2rem 0 1rem}
.cat-tiles-intro{margin-bottom:2rem;white-space:pre-line}
.cat-tile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.cat-tile{
  position:relative;aspect-ratio:1/1;border-radius:16px;overflow:hidden;display:flex;
  align-items:flex-start;justify-content:center;text-decoration:none;
  background:radial-gradient(ellipse 90% 70% at 50% 15%,#2a2a2a 0%,transparent 60%),linear-gradient(160deg,#171717 0%,#000 100%)
}
.cat-tile img{
  position:absolute;left:50%;top:56%;transform:translate(-50%,-50%);
  width:82%;height:60%;object-fit:contain;transition:transform 0.5s cubic-bezier(.22,1,.36,1);z-index:1
}
.cat-tile:hover img{transform:translate(-50%,-50%) scale(1.07)}
.cat-tile-label{
  position:relative;z-index:2;margin-top:1rem;padding:0 0.8rem;text-align:center;color:#fff;
  font-size:clamp(1.4rem,3.5vw,2.4rem);font-weight:800;letter-spacing:-0.01em;line-height:1.05;text-transform:uppercase
}
/* Wide banners span the full row, like the CONTROLLERS / ALL-IN-ONE rows */
.cat-tile.wide{grid-column:1 / -1;aspect-ratio:auto;height:230px}
.cat-tile.wide img{width:44%;height:88%;left:auto;right:6%;top:50%;transform:translateY(-50%)}
.cat-tile.wide:hover img{transform:translateY(-50%) scale(1.06)}
.cat-tile.wide .cat-tile-label{position:absolute;left:3rem;top:50%;transform:translateY(-50%);margin:0;text-align:left;font-size:clamp(1.8rem,4.5vw,3.4rem)}
/* Kích cỡ ô mở rộng — "Nhỏ" (ô vuông thấp hơn) và "Lớn" (chiếm 2 cột) thêm
   vào normal (mặc định)/wide đã có, cùng lưới 3 cột (2 cột ở mobile) */
.cat-tile.small{aspect-ratio:1/0.72}
.cat-tile.small img{width:70%;height:52%}
.cat-tile.small .cat-tile-label{font-size:clamp(1.1rem,2.6vw,1.7rem);margin-top:0.6rem}
.cat-tile.large{grid-column:span 2;aspect-ratio:2/1.05}
.cat-tile.large img{width:58%;height:64%}
.cat-tile.large .cat-tile-label{font-size:clamp(1.6rem,3.8vw,2.8rem)}
/* Ô Danh Mục Trang Chủ — Cover đầy đủ (Ảnh nền/Logo/Vị trí/Zoom/Opacity/Blur/
   Overlay), ĐÚNG cơ chế Category Cover (category-header-bg/-product-img/-logo
   ở trên) — chỉ kích hoạt khi Founder thật sự đặt 1 trong các field mới
   (.has-cover, gắn ở js/home.js/js/admin-categories.js) — Ô CHƯA từng chỉnh
   (không có class này) giữ NGUYÊN 100% rendering cũ, 0 regression. */
.cat-tile.has-cover{background:#111}
.cat-tile-bg{position:absolute;inset:0;z-index:0;background:center/cover no-repeat;transform:scale(1.06)}
.cat-tile-cover-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(0,0,0,0.05) 0%,rgba(0,0,0,0.55) 100%);pointer-events:none}
.cat-tile.has-cover .cat-tile-product-img{
  position:absolute;z-index:2;object-fit:contain;pointer-events:none;
  max-width:70%;max-height:62%;top:56%;left:50%;
  transform:translate(-50%,-50%) scale(var(--cover-zoom,1));opacity:var(--cover-opacity,1);
  transition:transform 0.5s cubic-bezier(.22,1,.36,1);filter:drop-shadow(0 10px 18px rgba(0,0,0,0.35))
}
.cat-tile.has-cover:hover .cat-tile-product-img:not([data-cover-position]){transform:translate(-50%,-50%) scale(calc(var(--cover-zoom,1) * 1.07))}
.cat-tile.has-cover .cat-tile-product-img[data-cover-position="top-left"]{top:14%;left:14%;transform:scale(var(--cover-zoom,1))}
.cat-tile.has-cover .cat-tile-product-img[data-cover-position="top-center"]{top:14%;left:50%;transform:translateX(-50%) scale(var(--cover-zoom,1))}
.cat-tile.has-cover .cat-tile-product-img[data-cover-position="top-right"]{top:14%;left:86%;transform:translate(-100%,0) scale(var(--cover-zoom,1))}
.cat-tile.has-cover .cat-tile-product-img[data-cover-position="center-left"]{top:56%;left:14%;transform:translateY(-50%) scale(var(--cover-zoom,1))}
.cat-tile.has-cover .cat-tile-product-img[data-cover-position="center"]{top:56%;left:50%;transform:translate(-50%,-50%) scale(var(--cover-zoom,1))}
.cat-tile.has-cover .cat-tile-product-img[data-cover-position="center-right"]{top:56%;left:86%;transform:translate(-100%,-50%) scale(var(--cover-zoom,1))}
.cat-tile.has-cover .cat-tile-product-img[data-cover-position="bottom-left"]{top:86%;left:14%;transform:translateY(-100%) scale(var(--cover-zoom,1))}
.cat-tile.has-cover .cat-tile-product-img[data-cover-position="bottom-center"]{top:86%;left:50%;transform:translate(-50%,-100%) scale(var(--cover-zoom,1))}
.cat-tile.has-cover .cat-tile-product-img[data-cover-position="bottom-right"]{top:86%;left:86%;transform:translate(-100%,-100%) scale(var(--cover-zoom,1))}
.cat-tile-logo{position:absolute;z-index:3;top:0.6rem;right:0.6rem;max-width:15%;max-height:22%;object-fit:contain;pointer-events:none}
.cat-tile.has-cover .cat-tile-label{position:relative;z-index:4}
.cat-tile.has-cover.wide .cat-tile-label{z-index:4}
/* Light-skinned tiles (for products that look better on a bright background) */
.cat-tile.skin-light{background:radial-gradient(ellipse 90% 70% at 50% 20%,#fff 0%,transparent 60%),linear-gradient(160deg,#f2f1ee 0%,#d6d2c8 100%)}
.cat-tile.skin-light .cat-tile-label{color:#111}
/* No-photo fallback keeps the label centered */
.cat-tile.no-photo{align-items:center}
.cat-tile.no-photo .cat-tile-label{margin-top:0}
.cat-tile.wide.no-photo .cat-tile-label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center}

/* CATEGORY PAGE HEADER — banner using the tile's image, shown at top of category.html */
.category-header{position:relative;height:260px;display:flex;align-items:flex-end;background:#111;overflow:hidden}
.category-header-bg{position:absolute;inset:0;background:center/cover no-repeat;z-index:0;filter:blur(var(--cover-blur,0px));transform:scale(1.06)}
.category-header::before{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(0deg,rgba(0,0,0,0.75) 0%,rgba(0,0,0,0.3) 60%,rgba(0,0,0,0.15) 100%);opacity:var(--cover-overlay,1)}
.category-header .container{position:relative;z-index:3;padding-bottom:2rem}
.category-header .breadcrumb{font-size:0.78rem;letter-spacing:0.1em;text-transform:uppercase;color:rgba(255,255,255,0.75);margin-bottom:0.5rem}
.category-header .breadcrumb a:hover{color:var(--gold)}
/* Category Cover — Product Image overlay (Sprint 13, Product Image Presentation).
   object-fit:contain + safe-area margin, cùng quy ước ".prod-img-wrap"/".bg-
   remover-img-fit" đã dùng — không bao giờ méo/tràn khung. Vị trí 9 điểm dùng
   data-attribute + CSS attribute selector, cùng cách "data-text-pos" của Hero
   Slideshow đã làm — không thêm cơ chế định vị mới. */
.category-header-product-img{loading:lazy;position:absolute;z-index:2;max-width:42%;max-height:78%;object-fit:contain;opacity:var(--cover-opacity,1);transform:scale(var(--cover-zoom,1));pointer-events:none;filter:drop-shadow(0 12px 24px rgba(0,0,0,0.35))}
.category-header-product-img[data-cover-position="top-left"]{top:1.5rem;left:1.5rem}
.category-header-product-img[data-cover-position="top-center"]{top:1.5rem;left:50%;transform:translateX(-50%) scale(var(--cover-zoom,1))}
.category-header-product-img[data-cover-position="top-right"]{top:1.5rem;right:1.5rem}
.category-header-product-img[data-cover-position="center-left"]{top:50%;left:1.5rem;transform:translateY(-50%) scale(var(--cover-zoom,1))}
.category-header-product-img[data-cover-position="center"]{top:50%;left:50%;transform:translate(-50%,-50%) scale(var(--cover-zoom,1))}
.category-header-product-img[data-cover-position="center-right"],
.category-header-product-img:not([data-cover-position]){top:50%;right:1.5rem;transform:translateY(-50%) scale(var(--cover-zoom,1))}
.category-header-product-img[data-cover-position="bottom-left"]{bottom:1.5rem;left:1.5rem}
.category-header-product-img[data-cover-position="bottom-center"]{bottom:1.5rem;left:50%;transform:translateX(-50%) scale(var(--cover-zoom,1))}
.category-header-product-img[data-cover-position="bottom-right"]{bottom:1.5rem;right:1.5rem}
.category-header-logo{position:absolute;z-index:3;top:1rem;right:1rem;max-width:64px;max-height:64px;object-fit:contain;pointer-events:none}
@media(max-width:640px){.category-header-product-img{loading:lazy;max-width:34%;max-height:60%}.category-header-logo{max-width:44px;max-height:44px}}

.category-header h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:#fff;letter-spacing:-0.01em}

.section{padding:5rem 0}
.sec-eyebrow{font-size:0.75rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--gold-ink);margin-bottom:0.7rem;font-weight:700}
.sec-title{font-family:'Be Vietnam Pro',sans-serif;font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:700;color:var(--black);line-height:1.1;letter-spacing:-0.01em;margin-bottom:0.8rem}
.sec-desc{color:var(--ink-soft);font-size:1rem;max-width:460px;line-height:1.7}

.toolbar{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;justify-content:space-between;margin:2.5rem 0 1.5rem}
.search-box{position:relative;flex:1;min-width:220px;max-width:340px}
.search-box input{width:100%;background:var(--bg-alt);border:1px solid var(--line2);color:var(--ink);padding:0.7rem 1rem 0.7rem 2.4rem;font-family:'Be Vietnam Pro',sans-serif;font-size:0.85rem;outline:none;transition:border-color 0.2s}
.search-box input:focus{border-color:var(--gold)}
.search-box .icon{position:absolute;left:0.9rem;top:50%;transform:translateY(-50%);color:var(--ink-mute);font-size:0.85rem}
.filter-bar{display:flex;gap:0.6rem;flex-wrap:wrap}
.filter-btn{padding:0.55rem 1.15rem;font-size:0.76rem;letter-spacing:0.06em;text-transform:uppercase;font-weight:600;border:1px solid var(--line2);background:transparent;color:var(--ink-soft);cursor:pointer;transition:all 0.2s;font-family:'Be Vietnam Pro',sans-serif}
.filter-btn:hover,.filter-btn.active{background:var(--black);border-color:var(--black);color:#fff}
.result-count{font-size:0.8rem;color:var(--ink-mute);margin-bottom:1.5rem}

/* PRODUCT GRID — editorial: large imagery, minimal chrome */
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2.5rem 2rem}
.product-card{background:transparent;cursor:pointer;display:flex;flex-direction:column;gap:0.55rem}
.product-card.hidden{display:none}
/* Image Container (Category Card) — Founder tự chỉnh qua admin/settings.html
   "KHUNG ẢNH SẢN PHẨM" (CSS custom property trên :root, js/category.js áp
   dụng lúc tải trang). MỌI giá trị có fallback ĐÚNG bằng hằng số cũ — Founder
   chưa từng chỉnh = hiển thị y hệt trước (0 regression). */
.prod-img-wrap{
  background:var(--bg-alt);width:100%;aspect-ratio:var(--pci-ratio,4/5);
  display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:0.4rem;
  position:relative;top:var(--pci-top,0px);left:var(--pci-left,0px);right:var(--pci-right,auto);bottom:var(--pci-bottom,auto);
  transform:scale(var(--pci-scale,1));border-radius:var(--pci-radius,0px)
}
.prod-img-wrap img{loading:lazy;
  width:100%;height:100%;object-fit:var(--pci-fit,contain);object-position:var(--pci-pos,50% 50%);
  padding:var(--pci-padding,1.4rem);transition:transform 0.4s ease;transform:scale(var(--pci-zoom,1))
}
.product-card:hover .prod-img-wrap img{loading:lazy;transform:scale(calc(var(--pci-zoom,1) * 1.05))}
.prod-noimg-tile{background:var(--bg-alt);width:100%;aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;margin-bottom:0.4rem;padding:1.8rem;text-align:center}
.prod-noimg-tile .tile-name{font-size:1.05rem;font-weight:700;color:var(--ink);line-height:1.3;letter-spacing:-0.01em}
.prod-name{font-size:0.95rem;font-weight:600;color:var(--black);line-height:1.35}
.prod-brand{font-size:0.8rem;color:var(--ink-mute)}
.prod-badge{display:inline-block;font-size:0.68rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:700;color:var(--gold-ink);width:fit-content}
.badge-used{color:var(--ink-mute)}
.prod-price{font-size:1rem;font-weight:700;color:var(--black);margin-top:0.1rem}
.prod-price-old{font-size:0.85rem;font-weight:500;color:var(--ink-mute);text-decoration:line-through}
.prod-oos-badge{display:inline-block;font-size:0.68rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:700;color:#fff;background:#8a1f1f;padding:0.2rem 0.55rem;width:fit-content}
.product-card.out-of-stock .prod-img-wrap img{loading:lazy;opacity:0.5;filter:grayscale(0.4)}
.modal-price .prod-price-old{font-size:1rem}
.prod-contact{margin-top:0.3rem;font-size:0.78rem;color:var(--ink-mute)}

/* BLOG — list + post page, reuses .category-header banner and .container/.sec- tokens */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2.5rem 2rem}
.blog-card{background:transparent;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:0.6rem}
.blog-card-img{background:var(--bg-alt);width:100%;aspect-ratio:16/10;overflow:hidden}
.blog-card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.blog-card:hover .blog-card-img img{transform:scale(1.05)}
.blog-card-tags{font-size:0.72rem;letter-spacing:0.08em;text-transform:uppercase;color:var(--gold-ink);font-weight:700}
.blog-card-title{font-size:1.05rem;font-weight:700;color:var(--black);line-height:1.35}
.blog-card-excerpt{font-size:0.85rem;color:var(--ink-soft);line-height:1.6}
.blog-card-meta{font-size:0.76rem;color:var(--ink-mute)}
.blog-post-wrap{max-width:760px;margin:0 auto}
.blog-post-meta{font-size:0.8rem;color:var(--ink-mute);margin-bottom:1.5rem}
.blog-post-content{font-size:1rem;line-height:1.85;color:var(--ink-soft)}
.blog-post-content h2{font-size:1.5rem;font-weight:700;color:var(--black);margin:2rem 0 1rem}
.blog-post-content h3{font-size:1.2rem;font-weight:700;color:var(--black);margin:1.5rem 0 0.75rem}
.blog-post-content img{max-width:100%;height:auto;margin:1.5rem 0}
.blog-post-content p{margin-bottom:1.2rem}
.blog-post-content .blog-featured-image{border-radius:8px;margin-bottom:2rem}
.blog-post-content .blog-inline-image{border-radius:8px}
.blog-post-content .blog-video-embed{position:relative;padding-top:56.25%;height:0;overflow:hidden;border-radius:8px;margin:1.5rem 0}
.blog-post-content .blog-video-embed iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.blog-post-content .blog-related-product{margin-top:2rem;padding:1rem 1.2rem;background:var(--bg-alt);border-radius:8px;border-left:3px solid var(--gold-ink)}
.blog-post-content .blog-related-product a{color:var(--gold-ink);font-weight:600;text-decoration:underline}
.blog-post-tags{margin-top:2rem;display:flex;gap:0.5rem;flex-wrap:wrap}
.blog-tag{font-size:0.72rem;letter-spacing:0.04em;text-transform:uppercase;color:var(--gold-ink);background:var(--gold-soft);padding:0.3rem 0.7rem}

/* VIDEO GALLERY — click-to-play thumbnails, iframe only loads after a click (keeps initial page load light) */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}
.video-card{display:flex;flex-direction:column;gap:0.6rem}
.video-thumb{position:relative;width:100%;aspect-ratio:16/9;background:#000;cursor:pointer;overflow:hidden}
.video-thumb img{width:100%;height:100%;object-fit:cover;opacity:0.85}
.video-thumb .video-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.video-thumb .video-play span{width:56px;height:56px;border-radius:50%;background:rgba(0,0,0,0.6);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;border:2px solid #fff}
.video-thumb iframe{width:100%;height:100%;border:0}
.video-card-title{font-size:0.95rem;font-weight:600;color:var(--black)}
.video-card-desc{font-size:0.82rem;color:var(--ink-mute)}
.prod-contact a{color:var(--gold-ink);font-weight:600}
.empty-state{grid-column:1/-1;text-align:center;padding:4rem 1rem;color:var(--ink-mute);background:var(--bg-alt)}
.load-more-wrap{text-align:center;padding:3rem 0 0}

.shopee-link{text-align:center;padding:3rem 0 0}
.services-section{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.services-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:start;margin-top:3.5rem}
.svc-list{display:flex;flex-direction:column}
.svc-item{padding:1.5rem 0;border-bottom:1px solid var(--line2);display:flex;gap:1.5rem}
.svc-item:last-child{border-bottom:none}
.svc-num{font-family:'Be Vietnam Pro',sans-serif;font-size:1.1rem;font-weight:700;color:var(--gold);opacity:0.6;min-width:26px;margin-top:0.15rem}
.svc-body h4{font-size:0.98rem;font-weight:700;color:var(--black);margin-bottom:0.3rem;letter-spacing:-0.005em}
.svc-body p{font-size:0.88rem;color:var(--ink-soft);line-height:1.65}
.info-box{background:var(--bg);border:1px solid var(--line2);padding:2rem}
.info-box h4{font-size:0.78rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--gold-ink);margin-bottom:1.5rem;font-weight:700}
.info-row{display:flex;justify-content:space-between;align-items:center;padding:0.75rem 0;border-bottom:1px solid var(--line);font-size:0.9rem}
.info-row:last-child{border-bottom:none}
.info-row span:first-child{color:var(--ink-soft)}
.info-row span:last-child{color:var(--black);font-weight:600}
.info-note{font-size:0.84rem;color:var(--ink-soft);line-height:1.7;margin-top:1rem}
.contact-section{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:5rem;align-items:start;margin-top:3rem}
.contact-items{display:flex;flex-direction:column;gap:2rem;margin-top:1rem}
.contact-item{display:flex;gap:1rem;align-items:flex-start}
.c-icon{color:var(--gold-ink);min-width:20px;margin-top:0.1rem}
.c-label{font-size:0.74rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:0.25rem;font-weight:600}
.c-val{font-size:1rem;color:var(--black);font-weight:500}
.c-val a:hover{color:var(--gold-ink)}
.map-box{margin-top:2.5rem;border:1px solid var(--line)}
.map-box iframe{display:block;width:100%;height:220px;border:none}
.contact-form{display:flex;flex-direction:column;gap:1rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-group{display:flex;flex-direction:column;gap:0.4rem}
.form-group label{font-size:0.76rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink-mute);font-weight:600}
.form-group input,.form-group select,.form-group textarea{background:var(--bg-alt);border:1px solid var(--line2);color:var(--ink);padding:0.75rem 1rem;font-family:'Be Vietnam Pro',sans-serif;font-size:0.85rem;font-weight:300;outline:none;transition:border-color 0.2s;resize:none;-webkit-appearance:none;appearance:none}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--ink-mute);opacity:0.8}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--gold)}
.form-group select option{background:var(--bg);color:var(--ink)}
.submit-btn{background:var(--black);color:#fff;padding:0.9rem 2rem;font-size:0.8rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:700;border:none;cursor:pointer;transition:background 0.2s;align-self:flex-start;margin-top:0.3rem}
.submit-btn:hover{background:var(--gold-ink)}
.submit-btn:disabled{opacity:0.6;cursor:default}
.form-success{display:none;background:var(--gold-soft);border:1px solid var(--gold);padding:1rem 1.25rem;font-size:0.85rem;color:var(--gold-ink)}
.form-note{font-size:0.85rem;color:var(--ink-soft);line-height:1.6}
footer{background:#0a0a0a;padding:4rem 0 1.5rem;margin-top:2rem}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2.5rem;padding-bottom:2.5rem}
.footer-col{display:flex;flex-direction:column;gap:0.9rem}
.footer-col h5{font-size:0.72rem;letter-spacing:0.14em;text-transform:uppercase;color:#fff;font-weight:700;margin-bottom:0.3rem}
.footer-col a{font-size:0.85rem;color:#999;transition:color 0.2s}
.footer-col a:hover{color:var(--gold)}
.footer-social{display:flex;gap:0.6rem;margin-bottom:0.4rem}
.social-btn{width:36px;height:36px;border-radius:50%;background:#1c1c1c;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:800;transition:transform 0.2s,filter 0.2s}
.social-btn:hover{transform:translateY(-2px);filter:brightness(1.1)}
.social-btn svg{width:18px;height:18px}
.social-fb{background:#1877f2}
.social-messenger{background:linear-gradient(135deg,#00b2ff,#006aff)}
.social-zalo{background:#0068ff;font-size:1.05rem}
.social-shopee{background:#ee4d2d}

.messenger-chat-btn{position:fixed;right:1.5rem;bottom:1.5rem;z-index:150;display:flex;align-items:center;gap:0.6rem;background:linear-gradient(135deg,#00b2ff,#006aff);color:#fff;padding:0.75rem 1.1rem;border-radius:50px;box-shadow:0 4px 16px rgba(0,106,255,0.35);font-size:0.85rem;font-weight:600;transition:transform 0.2s,box-shadow 0.2s}
.messenger-chat-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,106,255,0.45)}
.messenger-chat-btn svg{width:22px;height:22px;flex-shrink:0}
@media(max-width:600px){.messenger-chat-btn span{display:none}.messenger-chat-btn{padding:0.85rem;right:1rem;bottom:1rem}}
.footer-trust{font-size:0.8rem;color:#999;width:100%;padding-top:1.5rem;border-top:1px solid #1e1e1e}
.footer-copy{font-size:0.76rem;color:#666;width:100%;padding-top:0.5rem}

/* MODAL */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(20,18,15,0.7);z-index:500;align-items:center;justify-content:center;padding:1rem}
.modal-overlay.open{display:flex}
.modal-box{background:var(--bg);border:1px solid var(--line);max-width:1180px;width:100%;max-height:92vh;overflow:hidden;position:relative;display:grid;grid-template-columns:1.25fr 1fr;gap:0}
.modal-img-side{background:var(--bg-alt);display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:480px;padding:3rem;overflow:hidden;position:relative}
.modal-video{width:100%;margin-top:1.5rem;position:relative;padding-top:56.25%;height:0;overflow:hidden;border-radius:8px}
.modal-video iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.modal-gallery-nav{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--ink);font-size:1.3rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s;z-index:3}
.modal-gallery-nav:hover{background:var(--black);color:#fff;border-color:var(--black)}
.modal-gallery-prev{left:1rem}
.modal-gallery-next{right:1rem}
.modal-gallery-dots{position:absolute;bottom:1rem;left:50%;transform:translateX(-50%);display:flex;gap:0.4rem;z-index:3}
.modal-gallery-dots button{width:7px;height:7px;border-radius:50%;border:1px solid var(--ink-mute);background:transparent;padding:0;cursor:pointer;transition:all 0.2s}
.modal-gallery-dots button.active{background:var(--gold);border-color:var(--gold);width:18px;border-radius:4px}
.modal-img-side img{width:100%;max-height:600px;object-fit:contain}
.modal-img-side .no-img{color:var(--black);font-size:1.6rem;font-weight:700;text-align:center;letter-spacing:-0.01em;line-height:1.3}
/* Ảnh nền sản phẩm (kiểu banner) — CHỈ áp dụng khi Founder đã đặt "ẢNH NỀN
   SẢN PHẨM" (admin/products.html); sản phẩm chưa đặt gì vẫn hiện y hệt
   trước giờ (nền trơn --bg-alt, không lớp phủ, không chữ) — 0 regression. */
.modal-img-side.has-bg-banner{background-size:cover;background-position:center}
.modal-img-side.has-bg-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,0.75) 0%,rgba(0,0,0,0.15) 50%,rgba(0,0,0,0) 75%);pointer-events:none}
.modal-img-side.has-bg-banner img{filter:drop-shadow(0 12px 28px rgba(0,0,0,0.4));position:relative;z-index:1}
.modal-banner-caption{display:none;position:absolute;left:2rem;bottom:1.6rem;right:2rem;z-index:1;color:#fff;font-size:1.6rem;font-weight:800;letter-spacing:-0.01em;text-transform:uppercase;line-height:1.15;text-shadow:0 2px 10px rgba(0,0,0,0.5)}
.modal-img-side.has-bg-banner .modal-banner-caption{display:block}
@media(max-width:700px){.modal-banner-caption{font-size:1.15rem;left:1.25rem;bottom:1rem;right:1.25rem}}
.modal-info-side{padding:3rem;display:flex;flex-direction:column;gap:1.1rem;border-left:1px solid var(--line);overflow-y:auto;max-height:92vh}
.modal-cat{font-size:0.72rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--gold-ink);font-weight:700}
.modal-name{font-family:'Be Vietnam Pro',sans-serif;font-size:1.75rem;font-weight:700;color:var(--black);line-height:1.2;letter-spacing:-0.01em}
.modal-brand{font-size:0.85rem;color:var(--ink-mute)}
.modal-price{font-size:1.3rem;font-weight:700;color:var(--black)}
.modal-desc{font-size:1rem;color:var(--ink-soft);line-height:1.9;border-top:1px solid var(--line);padding-top:1.1rem;white-space:pre-line}
.modal-desc p{margin-bottom:0.8rem}
.modal-desc h2{font-size:1.25rem;font-weight:700;color:var(--black);margin:1rem 0 0.5rem}
.modal-desc h3{font-size:1.05rem;font-weight:700;color:var(--black);margin:0.9rem 0 0.4rem}
.modal-desc ul,.modal-desc ol{margin:0.5rem 0 0.8rem 1.4rem}
.modal-desc img{max-width:100%;margin:0.8rem 0}
.modal-desc a{color:var(--gold-ink);text-decoration:underline}
.modal-short-desc{font-size:1.05rem;font-weight:500;color:var(--ink-soft);line-height:1.6}
.modal-specs{font-size:0.92rem;color:var(--ink-soft);line-height:1.8;border-top:1px solid var(--line);padding-top:1rem;margin-top:1rem}
.modal-specs ul{margin:0.3rem 0 0 1.2rem}
.modal-features{list-style:none;padding:0;margin:1rem 0 0;display:none;flex-direction:column;gap:0.4rem}
.modal-features li{font-size:0.92rem;color:var(--ink-soft);padding-left:1.3rem;position:relative}
.modal-features li:before{content:'\2713';position:absolute;left:0;color:var(--gold-ink);font-weight:700}
.modal-faq{margin-top:1.2rem;border-top:1px solid var(--line);padding-top:1rem}
.modal-faq-item{margin-bottom:0.7rem}
.modal-faq-q{font-weight:600;color:var(--black);font-size:0.92rem}
.modal-faq-a{font-size:0.88rem;color:var(--ink-mute);margin-top:0.2rem}
.modal-badge{display:inline-block;font-size:0.7rem;letter-spacing:0.1em;text-transform:uppercase;font-weight:700;color:var(--gold-ink);width:fit-content}
.modal-badge.badge-used{color:var(--ink-mute)}
.modal-actions{margin-top:auto;display:flex;flex-direction:column;gap:0.7rem;padding-top:1.2rem;border-top:1px solid var(--line)}
.modal-phone{background:var(--black);color:#fff;padding:0.85rem 1.5rem;font-size:0.78rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:700;border:none;cursor:pointer;text-align:center;display:block;text-decoration:none}
.modal-phone:hover{background:var(--gold-ink)}
.modal-zalo{background:transparent;color:var(--gold-ink);border:1px solid var(--gold);padding:0.8rem 1.5rem;font-size:0.78rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:700;cursor:pointer;text-align:center;display:block;text-decoration:none}
.modal-shopee{background:transparent;color:var(--ink-soft);padding:0.75rem 1.5rem;font-size:0.78rem;letter-spacing:0.08em;text-transform:uppercase;font-weight:600;border:1px solid var(--line2);cursor:pointer;text-align:center;display:block;text-decoration:none;transition:all 0.2s}
.modal-shopee:hover{border-color:var(--black);color:var(--black)}
.modal-close{position:absolute;top:1rem;right:1rem;background:#fff;border:1px solid var(--line);color:var(--ink);font-size:1.2rem;cursor:pointer;z-index:10;width:36px;height:36px;display:flex;align-items:center;justify-content:center;transition:all 0.2s;border-radius:50%}
.modal-close:hover{background:var(--black);color:#fff;border-color:var(--black)}

.nav-search{min-width:0;max-width:230px;flex:0 0 auto;margin:0 1.2rem}
.nav-search input,.nav-search-mobile input{padding:0.6rem 1rem 0.6rem 2.3rem;font-size:0.82rem;border:1.5px solid var(--gold);border-radius:24px;background:var(--gold-soft);font-weight:500}
.nav-search input::placeholder,.nav-search-mobile input::placeholder{color:var(--gold-ink);opacity:0.8}
.nav-search input:focus,.nav-search-mobile input:focus{border-color:var(--gold-ink);background:#fff}
.nav-search .icon,.nav-search-mobile .icon{left:0.95rem;font-size:0.85rem;color:var(--gold-ink)}
.nav-search-mobile{max-width:none;width:100%}
@media(max-width:900px){.services-grid,.contact-grid{grid-template-columns:1fr;gap:3rem}.nav-links,.nav-cta,.nav-search{display:none}.nav-toggle{display:block}.footer-grid{grid-template-columns:repeat(2,1fr);gap:2rem 1.5rem}}

/* ─── Product Modal: Mobile Optimized (không zoom, không scroll ngang) ─── */
@media(max-width:700px){
.modal-overlay{padding:0;align-items:flex-end}
.modal-overlay.open{display:flex}
.modal-box{grid-template-columns:1fr;max-width:100%;max-height:100vh;height:100dvh;border-radius:16px 16px 0 0;overflow:hidden;display:flex;flex-direction:column}
.modal-img-side{min-height:35vh;max-height:45vh;padding:0;flex-shrink:0;position:relative}
.modal-img-side img{max-height:100%;width:100%;height:100%;object-fit:contain;padding:1rem}
.modal-gallery-prev{left:0.5rem}
.modal-gallery-next{right:0.5rem}
.modal-gallery-dots{bottom:0.5rem}
.modal-img-side .no-img{font-size:1.1rem;padding:0 1rem}
.modal-video{margin-top:1rem}
}

@media(max-width:600px){
.modal-box{border-radius:12px 12px 0 0}
.modal-img-side{min-height:30vh;max-height:40vh}
}

@media(max-width:480px){
.modal-img-side{min-height:28vh;max-height:35vh}
.modal-img-side img{padding:0.75rem}
.modal-gallery-nav{width:30px;height:30px;font-size:1rem}
}
@media(max-width:700px){
  .modal-box{grid-template-columns:1fr;max-height:85vh;overflow-y:auto}
  .modal-img-side{min-height:240px;padding:1.5rem}
  .modal-info-side{border-left:none;border-top:1px solid var(--line);padding:1.5rem;overflow-y:visible;max-height:none}
  .hero{min-height:58vh}
  .hero-subject-img{max-width:55%;max-height:38%;right:4%;top:8%;transform:none}
}
@media(max-width:680px){
  .products-grid{grid-template-columns:1fr 1fr;gap:1.5rem 1rem}
}
@media(max-width:600px){
  .form-row{grid-template-columns:1fr}
  .toolbar{flex-direction:column;align-items:stretch}
  .search-box{max-width:none}
  .section{padding:2.75rem 0}
  .cat-tiles-section{padding:2rem 0 0.5rem}
  .cat-tile-grid{grid-template-columns:repeat(2,1fr);gap:0.8rem}
  .cat-tile.wide{height:150px}
  .cat-tile.wide .cat-tile-label{left:1.4rem;font-size:1.6rem}
  .cat-tile.wide img{width:42%;right:5%}
  .category-header{height:190px}

  .filter-bar{
    flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;
    margin:0 -1.2rem;padding:0 1.2rem 0.3rem
  }
  .filter-bar::-webkit-scrollbar{display:none}
  .filter-btn{white-space:nowrap;flex:0 0 auto}
  .filter-btn:hover,.filter-btn.active{background:var(--gold);border-color:var(--gold);color:#000}
}
@media(max-width:400px){.container{padding:0 1.2rem}}