/* ============================================================
   Vạn Thìn – Thịt bò sạch — Design system
   Ngôn ngữ thị giác: quầy thịt / giấy gói hàng (kraft) — không phải
   card SaaS. Chữ biển hiệu đậm-nén (Oswald) cho tiêu đề & số liệu,
   Be Vietnam Pro cho nội dung. Đường kẻ đứt "đường cắt" thay cho
   đổ bóng. Thẻ sản phẩm kiểu tem/vé giá, góc gần như vuông.
   ============================================================ */

:root {
  --ink: #201510;
  --ink-soft: #4a3a32;
  --paper: #ece2cd;
  --paper-deep: #ddcfab;
  --paper-line: #cdbb92;
  --card: #f7f1e2;
  --oxblood: #7a2323;
  --oxblood-deep: #4e1414;
  --stamp: #7a5313;
  --stamp-bg: #f1e3bf;
  --bone: #fbf6ea;
  --green: #3f5a35;
  --green-bg: #e3e8d6;
  --zalo: #0068ff;
  --zalo-dark: #0052cc;
  --radius: 3px;
  --radius-sm: 2px;
  --header-h: 60px;
}

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

html { scroll-behavior: smooth; overflow-x: hidden; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, 'Segoe UI', sans-serif;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  font-size: 15.5px;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-family: 'Oswald', 'Be Vietnam Pro', system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -.005em;
  line-height: 1.08;
  text-transform: uppercase;
  color: var(--ink);
}
p { margin: 0 0 1em; }
img { max-width: 100%; display: block; }
a { color: var(--oxblood); text-decoration: none; }
a:hover { color: var(--oxblood-deep); }
ul, ol { padding-left: 1.2em; }
li { margin-bottom: .4em; }
::selection { background: var(--oxblood); color: var(--bone); }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--ink-soft); }
.section { padding: 52px 0; }
.section-head { max-width: 620px; margin-bottom: 30px; }
.section-head h2 { font-size: clamp(22px, 6vw, 30px); }
.section-head p { font-size: 15px; color: var(--ink-soft); max-width: 480px; }
.section-head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.section-head-row h2 { font-size: clamp(20px, 5.5vw, 27px); margin-bottom: 4px; }
.h2 { font-size: clamp(22px, 6vw, 30px); }
.kicker { font-family: 'Oswald', sans-serif; font-size: 13px; font-weight: 600; letter-spacing: .04em; color: var(--oxblood); margin-bottom: 6px; display: block; }
.link-more { font-weight: 600; white-space: nowrap; border-bottom: 1.5px solid currentColor; padding-bottom: 2px; }
.link-more:hover { color: var(--oxblood-deep); }

/* ---- cut-line divider: draws visual structure from the subject (a butchery cutting guide) ---- */
.cut-line { position: relative; height: 1px; background: repeating-linear-gradient(90deg, var(--paper-line) 0 10px, transparent 10px 18px); margin: 0; }
.cut-line.on-dark { background: repeating-linear-gradient(90deg, rgba(251,246,234,.35) 0 10px, transparent 10px 18px); }

/* ---- buttons & tags ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; font: inherit; font-family: 'Oswald', sans-serif; font-weight: 600; font-size: 14.5px; letter-spacing: .01em; border-radius: var(--radius-sm); padding: 13px 22px; cursor: pointer; border: 1.5px solid transparent; line-height: 1; white-space: nowrap; }
.btn svg { flex: none; }
.btn-red { background: var(--oxblood); color: var(--bone); }
.btn-red:hover { background: var(--oxblood-deep); color: var(--bone); }
.btn-zalo { background: var(--zalo); color: #fff; }
.btn-zalo:hover { background: var(--zalo-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { color: var(--ink); background: rgba(32,21,16,.06); }
.btn-sm { padding: 10px 15px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }

.chip { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); background: var(--card); border: 1px solid var(--paper-line); border-radius: var(--radius-sm); padding: 7px 12px; }
.badge { display: inline-flex; align-items: center; font-family: 'Oswald', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: .03em; color: var(--bone); background: var(--oxblood); border-radius: var(--radius-sm); padding: 5px 9px 4px; }
.badge-outline { background: var(--stamp-bg); color: var(--stamp); }

/* ---- card & placeholder image ---- */
.card { background: var(--card); border: 1px solid var(--paper-line); border-radius: var(--radius); }
.ph { background: linear-gradient(135deg, #e3d5ae, #d4bf8c); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: #8a7448; text-align: center; padding: 10px; overflow: hidden; }
.ph span { font-family: 'Oswald', sans-serif; font-size: 11px; font-weight: 500; letter-spacing: .03em; }
.ph svg { flex: none; }
.ph.has-img { padding: 0; background: none; position: relative; box-shadow: inset 0 0 0 1px rgba(32,21,16,.1); }
.ph.has-img img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(1.1) contrast(1.06) brightness(1.03); }
.ph.has-img::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 -28px 34px -28px rgba(32,21,16,.22); pointer-events: none; }
.brand-logo-img { width: auto; display: block; object-fit: contain; }

/* ---- top bar ---- */
.topbar { background: var(--oxblood-deep); color: #e9c9c1; font-size: 12.5px; }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 7px 20px; flex-wrap: wrap; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar span.item { display: inline-flex; align-items: center; gap: 6px; }
.topbar strong { color: var(--bone); font-weight: 600; }

/* ---- header ---- */
.site-header { background: var(--bone); border-bottom: 2px solid var(--ink); position: sticky; top: 0; z-index: 50; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 11px; padding-bottom: 11px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark { width: 42px; height: 42px; border-radius: var(--radius-sm); background: var(--oxblood); color: var(--bone); display: flex; align-items: center; justify-content: center; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
.brand-text strong { font-family: 'Oswald', sans-serif; font-size: 19px; letter-spacing: .01em; color: var(--ink); text-transform: uppercase; white-space: nowrap; }
.brand-text span { font-size: 10.5px; color: var(--oxblood); letter-spacing: .06em; font-weight: 600; white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 22px; font-size: 13.5px; }
.main-nav a { color: var(--ink); font-weight: 600; font-family: 'Oswald', sans-serif; letter-spacing: .01em; text-transform: uppercase; font-size: 13px; padding-bottom: 2px; border-bottom: 2px solid transparent; white-space: nowrap; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--oxblood); border-bottom-color: var(--oxblood); }
.nav-search { display: flex; align-items: center; }

.header-cta { display: flex; align-items: center; gap: 10px; flex: none; }
.nav-toggle { display: none; background: none; border: 1.5px solid var(--ink); border-radius: var(--radius-sm); padding: 9px; cursor: pointer; color: var(--ink); }
.nav-toggle svg { display: block; }

/* ---- floating action buttons ---- */
.floating-actions { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 60; }
.fab { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: 0 10px 22px -6px rgba(32,21,16,.55); animation: fabPulse 2.2s ease-in-out infinite; }
.fab-call { background: #1aa260; }
.fab-zalo { background: var(--zalo); width: auto; border-radius: 24px; padding: 0 16px 0 14px; gap: 7px; font-family: 'Oswald', sans-serif; font-weight: 600; font-size: 14px; letter-spacing: .02em; white-space: nowrap; animation-delay: .5s; }
.fab-zalo svg { flex: none; }
.fab:hover { animation-play-state: paused; transform: scale(1.06); }
@keyframes fabPulse {
  0%, 100% { box-shadow: 0 10px 22px -6px rgba(32,21,16,.55), 0 0 0 0 rgba(26,162,96,.35); }
  50% { box-shadow: 0 10px 22px -6px rgba(32,21,16,.55), 0 0 0 9px rgba(26,162,96,0); }
}
.fab-zalo { animation-name: fabPulseZalo; }
@keyframes fabPulseZalo {
  0%, 100% { box-shadow: 0 10px 22px -6px rgba(32,21,16,.55), 0 0 0 0 rgba(0,104,255,.35); }
  50% { box-shadow: 0 10px 22px -6px rgba(32,21,16,.55), 0 0 0 9px rgba(0,104,255,0); }
}
.fab-top { background: var(--bone); color: var(--ink); border: 1.5px solid var(--ink); opacity: 0; pointer-events: none; transform: translateY(6px); transition: opacity .2s, transform .2s; animation: none; }
.fab-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ---- hero: headline stamped directly onto the photo, ticket hanging off the corner ---- */
.hero { position: relative; background: var(--ink); color: var(--bone); overflow: hidden; }
.hero-photo { position: absolute; inset: 0; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(32,21,16,.96) 18%, rgba(32,21,16,.55) 55%, rgba(122,35,35,.35) 100%); }
.hero-inner { position: relative; padding: 78px 0 90px; max-width: 700px; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; font-family: 'Oswald', sans-serif; font-size: 12.5px; letter-spacing: .03em; color: var(--bone); background: rgba(251,246,234,.1); border: 1px solid rgba(251,246,234,.3); border-radius: var(--radius-sm); padding: 6px 12px; margin-bottom: 22px; }
.hero-tag .dot { width: 6px; height: 6px; border-radius: 50%; background: #7fae61; display: inline-block; }
.hero h1 { font-size: clamp(26px, 8vw, 50px); line-height: 1.2; color: var(--bone); margin-bottom: 22px; }
.hero h1 span { color: #d8a48f; }
.hero-lead { font-size: 17px; line-height: 1.6; color: #d9cec5; max-width: 480px; font-family: 'Be Vietnam Pro', sans-serif; text-transform: none; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 30px; padding-top: 26px; border-top: 1px solid rgba(251,246,234,.2); }
.hero-badges .stat-mini strong { display: block; font-family: 'Oswald', sans-serif; font-size: clamp(16px, 4.5vw, 22px); color: var(--bone); }
.hero-badges .stat-mini span { font-size: 12px; color: #bfae9f; }
.hero-ticket { position: absolute; right: 60px; top: 42px; background: var(--stamp-bg); color: var(--ink); padding: 14px 18px; border-radius: var(--radius-sm); transform: rotate(4deg); box-shadow: 0 14px 30px -10px rgba(0,0,0,.5); font-family: 'Oswald', sans-serif; text-align: center; border: 1px dashed var(--stamp); }
.hero-ticket strong { display: block; font-size: 24px; color: var(--stamp); }
.hero-ticket span { font-size: 10.5px; letter-spacing: .02em; color: var(--ink-soft); }

/* ---- stats bar ---- */
.stats-bar { background: var(--oxblood); color: var(--bone); }
.stats-bar .wrap { display: grid; grid-template-columns: repeat(4, 1fr); padding: 24px 20px; }
.stat { display: flex; flex-direction: column; gap: 2px; text-align: center; padding: 4px 10px; border-left: 1px dashed rgba(251,246,234,.35); }
.stat:first-child { border-left: none; }
.stat strong { font-family: 'Oswald', sans-serif; font-size: clamp(18px, 5vw, 26px); }
.stat span { font-size: 12px; color: #e9c9c1; text-transform: none; font-weight: 400; }

/* ---- grids ---- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

/* ---- category feature cards (homepage) ---- */
.cat-feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cat-feature-card { display: block; background: var(--card); border: 1px solid var(--paper-line); overflow: hidden; }
.cat-feature-card .ph { aspect-ratio: 16/9; }
.cat-feature-body { padding: 24px 26px 28px; }
.cat-feature-count { font-family: 'Oswald', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: .03em; color: var(--stamp); text-transform: uppercase; }
.cat-feature-body h3 { font-size: clamp(19px, 5.5vw, 25px); margin: 6px 0 10px; }
.cat-feature-body p { font-size: 14px; color: var(--ink-soft); margin-bottom: 18px; max-width: 46ch; }
.cat-card { overflow: hidden; display: flex; flex-direction: column; }
.cat-card .ph { aspect-ratio: 4/3; }
.cat-card-body { padding: 14px 15px 16px; display: flex; flex-direction: column; gap: 6px; }
.cat-card-body strong { font-family: 'Oswald', sans-serif; font-size: 16px; color: var(--ink); text-transform: uppercase; }
.cat-card-body .go { font-size: 12.5px; font-weight: 600; color: var(--oxblood); border-bottom: 1.5px solid var(--oxblood); align-self: flex-start; padding-bottom: 1px; }

/* ---- product card — price ticket, not a rounded SaaS card ---- */
.product-card { overflow: hidden; display: flex; flex-direction: column; position: relative; border-radius: var(--radius-sm); }
.product-card .ph { aspect-ratio: 4/3; }
.product-card .badge { position: absolute; top: 9px; left: 9px; z-index: 1; }
.product-card-body { padding: 13px 14px 15px; display: flex; flex-direction: column; gap: 8px; flex: 1; border-top: 1px dashed var(--paper-line); }
.product-card-body strong { font-family: 'Oswald', sans-serif; font-size: 15px; text-transform: uppercase; }
.product-card-body .cat-label { font-size: 11.5px; color: var(--ink-soft); }
.product-card-price { font-family: 'Oswald', sans-serif; font-size: 13px; font-weight: 600; color: var(--stamp); display: inline-flex; align-items: center; gap: 6px; text-transform: uppercase; letter-spacing: .02em; }
.product-card-actions { display: flex; gap: 8px; margin-top: auto; }

/* ---- article card ---- */
.article-card { overflow: hidden; display: flex; flex-direction: column; border-radius: var(--radius-sm); }
.article-card .ph { aspect-ratio: 16/10; }
.article-card-body { padding: 15px 16px 17px; display: flex; flex-direction: column; gap: 7px; border-top: 1px dashed var(--paper-line); }
.article-card-body .meta { font-size: 11.5px; color: var(--ink-soft); font-family: 'Oswald', sans-serif; letter-spacing: .01em; }
.article-card-body strong { font-family: 'Oswald', sans-serif; font-size: 17px; line-height: 1.3; color: var(--ink); text-transform: uppercase; }
.article-card-body p { font-size: 13px; color: var(--ink-soft); margin: 0; text-transform: none; font-family: 'Be Vietnam Pro', sans-serif; }

/* ---- why us / feature blocks ---- */
.feature { display: flex; flex-direction: column; gap: 10px; padding-top: 18px; border-top: 2px solid var(--ink); }
.feature-icon { width: 44px; height: 44px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.feature-icon.red { background: var(--oxblood); color: var(--bone); }
.feature-icon.green { background: var(--stamp); color: var(--bone); }
.feature strong { font-family: 'Oswald', sans-serif; font-size: 17px; text-transform: uppercase; }
.feature p { font-size: 14px; color: var(--ink-soft); margin: 0; }

/* ---- process steps (a genuine sequence — numbering earns its place) ---- */
.step-num { font-family: 'Oswald', sans-serif; font-size: 40px; font-weight: 600; color: var(--paper-line); line-height: 1; display: block; }
.step { display: flex; flex-direction: column; gap: 6px; }
.step strong { font-family: 'Oswald', sans-serif; text-transform: uppercase; font-size: 15px; }
.step p { font-size: 13px; color: var(--ink-soft); margin: 0; }

/* ---- testimonials — pinned order slips, not star-rating SaaS cards ---- */
.testimonial { padding: 20px 20px 18px; display: flex; flex-direction: column; gap: 10px; background: var(--bone); border: 1px solid var(--paper-line); position: relative; }
.testimonial:nth-child(odd) { transform: rotate(-.6deg); }
.testimonial:nth-child(even) { transform: rotate(.6deg); }
.testimonial::before { content: ""; position: absolute; top: -7px; left: 22px; width: 14px; height: 14px; border-radius: 50%; background: var(--oxblood); box-shadow: 0 2px 4px rgba(0,0,0,.3); }
.testimonial p { font-size: 14px; color: var(--ink-soft); margin: 0; font-style: italic; }
.testimonial .who { display: flex; align-items: center; gap: 10px; margin-top: 2px; padding-top: 10px; border-top: 1px dashed var(--paper-line); }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--oxblood); color: var(--bone); display: flex; align-items: center; justify-content: center; font-family: 'Oswald', sans-serif; font-size: 13px; flex: none; }
.who strong { font-size: 13px; display: block; font-family: 'Oswald', sans-serif; text-transform: uppercase; }
.who span { font-size: 11.5px; color: var(--ink-soft); }

/* ---- cut chart (bold signature device) ---- */
.cutchart { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; padding: 12px 0 50px; }
.cutchart svg { margin-top: 6px; }
.cutchart svg { width: 100%; height: auto; }
.cutchart-list { display: flex; flex-direction: column; gap: 0; }
.cutchart-row { display: flex; align-items: baseline; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--paper-line); color: var(--ink); }
.cutchart-row:hover { color: var(--ink); background: var(--card); }
.cutchart-row .n { font-family: 'Oswald', sans-serif; color: var(--oxblood); font-size: 15px; width: 22px; flex: none; }
.cutchart-row strong { font-family: 'Oswald', sans-serif; text-transform: uppercase; font-size: 14.5px; color: var(--ink); }
.cutchart-row span { font-size: 12.5px; color: var(--ink-soft); }
.cutchart svg a circle { transition: r .15s; cursor: pointer; }
.cutchart svg a:hover circle { r: 17; }
.cutchart svg a text { pointer-events: none; }

/* ---- breadcrumb ---- */
.breadcrumb { font-size: 12.5px; color: var(--ink-soft); display: flex; gap: 6px; flex-wrap: wrap; padding: 14px 0; font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: .01em; }
.breadcrumb a { color: var(--ink-soft); font-weight: 500; }
.breadcrumb a:hover { color: var(--oxblood); }
.breadcrumb .sep { opacity: .5; }
.breadcrumb .current { color: var(--ink); font-weight: 600; }

.page-hero { background: var(--ink); color: var(--bone); border-bottom: 6px solid var(--oxblood); }
.page-hero .wrap { padding: 22px 20px 40px; }
.page-hero .breadcrumb, .page-hero .breadcrumb a { color: rgba(251,246,234,.55); }
.page-hero .breadcrumb .current { color: var(--bone); }
.page-hero h1 { font-size: clamp(24px, 6.5vw, 34px); margin: 4px 0 0; color: var(--bone); }
.page-hero p { color: #bfae9f; margin-top: 10px; max-width: 640px; font-size: 14.5px; text-transform: none; font-family: 'Be Vietnam Pro', sans-serif; }

/* ---- layout with sidebar ---- */
.layout-side { display: grid; grid-template-columns: 250px 1fr; gap: 30px; align-items: start; padding: 36px 0 60px; }
.side-box { padding: 17px; display: flex; flex-direction: column; gap: 4px; }
.side-box + .side-box { margin-top: 16px; }
.side-box h4 { font-family: 'Oswald', sans-serif; font-size: 13px; text-transform: uppercase; letter-spacing: .03em; color: var(--oxblood); margin-bottom: 8px; font-weight: 600; }
.side-link { display: flex; align-items: center; justify-content: space-between; padding: 9px 8px; border-radius: var(--radius-sm); font-weight: 600; font-size: 13.5px; color: var(--ink); font-family: 'Oswald', sans-serif; text-transform: uppercase; }
.side-link:hover { background: var(--paper); color: var(--oxblood); }
.side-link[aria-current="page"] { background: var(--oxblood); color: var(--bone); }
.side-article { display: flex; gap: 10px; padding: 8px 2px; }
.side-article .ph { width: 56px; height: 56px; border-radius: var(--radius-sm); flex: none; }
.side-article .ph svg { width: 16px; height: 16px; }
.side-article strong { font-size: 12.5px; line-height: 1.4; display: block; font-family: 'Be Vietnam Pro', sans-serif; text-transform: none; font-weight: 600; }

/* ---- product detail ---- */
.product-detail { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; padding: 32px 0 20px; align-items: flex-start; }
.product-detail .ph { aspect-ratio: 1/1; border-radius: var(--radius); }
.product-title { font-size: clamp(21px, 6vw, 30px); }
.product-meta-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.product-price { font-family: 'Oswald', sans-serif; font-size: 22px; font-weight: 600; color: var(--stamp); display: inline-flex; align-items: center; gap: 9px; text-transform: uppercase; letter-spacing: .01em; }
.product-unit { color: var(--ink-soft); font-size: 13px; }
.product-avail { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; color: var(--green); background: var(--green-bg); border-radius: var(--radius-sm); padding: 6px 11px; font-family: 'Oswald', sans-serif; text-transform: uppercase; }
.detail-block { margin-top: 22px; }
.detail-block h3 { font-size: 15px; margin-bottom: 10px; }
.feature-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.feature-list li { display: flex; gap: 8px; font-size: 14px; color: var(--ink-soft); margin: 0; }
.feature-list svg { flex: none; margin-top: 2px; color: var(--oxblood); }
.usage-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tip-box { background: var(--stamp-bg); border-radius: var(--radius-sm); border: 1px dashed var(--stamp); padding: 15px 17px; font-size: 13.5px; color: #5a4319; display: flex; gap: 10px; }
.tip-box svg { flex: none; color: var(--stamp); margin-top: 2px; }

/* ---- article body ---- */
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; padding: 32px 0 60px; align-items: start; }
.article-cover { aspect-ratio: 21/9; border-radius: var(--radius); margin-bottom: 24px; }
.article-body h2 { font-size: 21px; margin-top: 28px; text-transform: none; }
.article-body p { font-size: 15.5px; line-height: 1.75; color: var(--ink-soft); }
.article-body ul { font-size: 15.5px; line-height: 1.7; color: var(--ink-soft); }
.article-meta { display: flex; gap: 14px; align-items: center; font-size: 12.5px; color: var(--ink-soft); margin-bottom: 6px; flex-wrap: wrap; font-family: 'Oswald', sans-serif; text-transform: uppercase; }

/* ---- accordion (FAQ) ---- */
.accordion-item { border-bottom: 1px dashed var(--paper-line); }
.accordion-item:first-child { border-top: 1px dashed var(--paper-line); }
.accordion-trigger { width: 100%; text-align: left; background: none; border: none; cursor: pointer; padding: 18px 4px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font: inherit; font-family: 'Oswald', sans-serif; font-weight: 600; font-size: 15px; text-transform: uppercase; color: var(--ink); }
.accordion-trigger svg { flex: none; transition: transform .2s; color: var(--oxblood); }
.accordion-item.open .accordion-trigger svg { transform: rotate(180deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.accordion-item.open .accordion-panel { max-height: 600px; }
.accordion-panel-inner { padding: 0 4px 18px; font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; }

/* ---- price table ---- */
.price-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--ink); }
.price-table th, .price-table td { padding: 12px 15px; text-align: left; font-size: 14px; border-bottom: 1px dashed var(--paper-line); }
.price-table th { background: var(--ink); color: var(--bone); font-family: 'Oswald', sans-serif; font-size: 12px; text-transform: uppercase; letter-spacing: .02em; font-weight: 500; }
.price-table tr:last-child td { border-bottom: none; }
.price-table td.price { font-family: 'Oswald', sans-serif; font-weight: 600; color: var(--stamp); white-space: nowrap; }
.price-note { font-size: 13px; color: var(--ink-soft); margin-top: 14px; display: flex; gap: 8px; }

/* ---- contact page ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; padding: 36px 0 60px; align-items: start; }
.contact-card { padding: 20px; display: flex; gap: 14px; align-items: flex-start; border-radius: var(--radius-sm); }
.contact-card svg { flex: none; color: var(--oxblood); }
.contact-card strong { display: block; font-family: 'Oswald', sans-serif; font-size: 14.5px; margin-bottom: 3px; text-transform: uppercase; }
.contact-card span, .contact-card a { font-size: 13.5px; color: var(--ink-soft); }
.map-frame { width: 100%; aspect-ratio: 16/10; border: 1px solid var(--ink); border-radius: var(--radius-sm); filter: grayscale(.25) contrast(1.05); }
.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-field label { font-size: 12.5px; font-weight: 600; font-family: 'Oswald', sans-serif; text-transform: uppercase; }
.form-field input, .form-field select, .form-field textarea { font: inherit; padding: 11px 13px; border-radius: var(--radius-sm); border: 1.5px solid var(--paper-line); background: var(--bone); color: var(--ink); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--oxblood); }
.form-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 10px; display: flex; gap: 8px; }

/* ---- search ---- */
.search-box { position: relative; }
.search-box input { font: inherit; padding: 10px 14px 10px 36px; border-radius: var(--radius-sm); border: 1.5px solid var(--paper-line); width: 200px; background: var(--bone); }
.search-box svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--ink-soft); pointer-events: none; }
.search-results { position: absolute; top: calc(100% + 8px); left: 0; right: 0; background: var(--bone); border: 1px solid var(--ink); border-radius: var(--radius-sm); max-height: 360px; overflow: auto; z-index: 80; display: none; }
.search-results.show { display: block; }
.search-results a { display: flex; flex-direction: column; padding: 10px 14px; color: var(--ink); font-size: 13.5px; border-bottom: 1px dashed var(--paper-line); }
.search-results a:last-child { border-bottom: none; }
.search-results a span { font-size: 11.5px; color: var(--ink-soft); }
.search-results a:hover { background: var(--paper); }
.search-empty { padding: 14px; font-size: 13px; color: var(--ink-soft); }

/* ---- CTA band ---- */
.cta-band { background: var(--ink); color: var(--bone); margin: 18px 0; padding: 40px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; border: 1px solid var(--ink); }
.cta-band h3 { font-size: clamp(19px, 5vw, 24px); margin-bottom: 6px; color: var(--bone); }
.cta-band p { color: #bfae9f; margin: 0; font-size: 14px; text-transform: none; font-family: 'Be Vietnam Pro', sans-serif; }

/* ---- footer ---- */
.site-footer { background: var(--ink); color: #a99686; margin-top: 40px; border-top: 6px solid var(--oxblood); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; padding: 50px 0 30px; }
.footer-col h4 { color: var(--bone); font-family: 'Oswald', sans-serif; font-size: 13.5px; text-transform: uppercase; letter-spacing: .03em; margin-bottom: 15px; font-weight: 600; }
.footer-col p, .footer-col a { color: #a99686; font-size: 13.5px; }
.footer-col a { display: block; margin-bottom: 10px; font-weight: 500; }
.footer-col a:hover { color: var(--bone); }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand strong { color: var(--bone); font-family: 'Oswald', sans-serif; font-size: 16px; text-transform: uppercase; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a { width: 34px; height: 34px; border-radius: 50%; background: rgba(251,246,234,.08); display: flex; align-items: center; justify-content: center; margin: 0; }
.footer-social a:hover { background: var(--oxblood); }
.footer-bottom { border-top: 1px solid rgba(251,246,234,.12); padding: 16px 0; font-size: 12px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: #7d6c5f; font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: .01em; }

/* ---- misc pages (about, 404) ---- */
.about-block { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding: 44px 0; }
.about-block.reverse { direction: rtl; }
.about-block.reverse > * { direction: ltr; }
.about-block .ph { aspect-ratio: 4/3; border-radius: var(--radius); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.value-card { padding: 20px; text-align: left; border-top: 2px solid var(--ink); border-radius: 0; background: transparent; }
.value-card svg { color: var(--oxblood); margin-bottom: 10px; }
.value-card strong { display: block; font-family: 'Oswald', sans-serif; font-size: 14.5px; margin-bottom: 4px; text-transform: uppercase; }
.value-card p { font-size: 12.5px; color: var(--ink-soft); margin: 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }

.state-404 { text-align: center; padding: 90px 20px; }
.state-404 h1 { font-size: clamp(56px, 22vw, 100px); color: var(--oxblood); margin-bottom: 0; }
.state-404 p { color: var(--ink-soft); font-size: 16px; margin: 10px 0 26px; text-transform: none; font-family: 'Be Vietnam Pro', sans-serif; }

/* ---- pill filter tabs (category page) ---- */
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; border-bottom: 2px solid var(--ink); padding-bottom: 16px; }
.filter-pill { padding: 9px 16px; border-radius: var(--radius-sm); border: 1.5px solid var(--ink); background: transparent; font-family: 'Oswald', sans-serif; font-size: 13px; font-weight: 600; text-transform: uppercase; color: var(--ink); cursor: pointer; }
.filter-pill.active, .filter-pill[aria-current="page"] { background: var(--ink); border-color: var(--ink); color: var(--bone); }

/* ================= RESPONSIVE ================= */
@media (max-width: 980px) {
  .hero-inner { padding: 60px 0 70px; max-width: 100%; }
  .hero-ticket { display: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-bar .wrap { grid-template-columns: repeat(2, 1fr); row-gap: 18px; }
  .stat:nth-child(3) { border-left: none; }
  .layout-side { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; gap: 24px; }
  .article-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-block, .about-block.reverse { grid-template-columns: 1fr; direction: ltr; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .counter-item { grid-template-columns: 40px 100px 1fr; }
  .counter-go { display: none; }
  .cutchart { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .wrap, .topbar .wrap, .site-header .wrap, .stats-bar .wrap, .page-hero .wrap { padding-left: 28px; padding-right: 28px; }
  .grid-4, .grid-3, .grid-2, .cat-feature-grid, .value-grid, .footer-grid, .cutchart, .about-block, .contact-grid, .layout-side, .product-detail, .article-layout { min-width: 0; }
  .grid-4 > *, .grid-3 > *, .grid-2 > *, .cat-feature-grid > *, .value-grid > *, .footer-grid > * { min-width: 0; }
  .product-card-body strong, .article-card-body strong, .cat-feature-body h3, .cat-card-body strong, .hero-badges .stat-mini strong { overflow-wrap: break-word; }
  .topbar { display: none; }
  .brand-text span { display: none; }
  .main-nav { position: fixed; inset: var(--header-h) 0 0 0; background: var(--bone); flex-direction: column; align-items: stretch; padding: 18px 20px; gap: 2px; overflow-y: auto; transform: translateX(100%); transition: transform .25s ease; z-index: 55; }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { width: 100%; padding: 14px 4px; border-bottom: 1px dashed var(--paper-line); font-size: 15px; }
  .nav-search { display: flex; margin-bottom: 14px; }
  .nav-search .search-box { width: 100%; }
  .nav-search .search-box input { width: 100%; }
  .nav-toggle { display: flex; }
  .header-cta .btn-label { display: none; }
  .grid-4, .grid-3, .grid-2, .cat-feature-grid { grid-template-columns: 1fr; }
  .section { padding: 38px 0; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; padding-top: 38px; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .counter-item { grid-template-columns: 1fr; text-align: left; }
  .counter-thumb { width: 100%; height: 160px; }
  .counter-num { display: none; }
  .floating-actions { right: 12px; bottom: 12px; gap: 8px; }
  .fab { width: 44px; height: 44px; }
  .fab-zalo { width: auto; height: 44px; }
  .fab-messenger { display: none; }
  .product-card-actions, .product-detail .btn-row { padding-right: 0; }
}

@media (max-width: 480px) {
  .hero-tag { font-size: 11.5px; padding: 5px 10px; }
  .hero-lead { font-size: 15.5px; line-height: 1.65; }
  .hero-badges { gap: 14px 22px; }
  .btn { padding: 12px 18px; font-size: 13.5px; }
  .cat-feature-body { padding: 20px 18px 22px; }
  .product-card-body { padding: 12px; }
  .article-card-body { padding: 14px; }
  .cta-band { padding: 24px 18px; }
  .value-card { padding: 16px; }
}