/* =========================================================================
   Base stylesheet shared by all themes. Everything is driven by CSS
   variables (set from theme options in layout.ejs), so child themes mostly
   override variables + a few component looks in their own style.css.
   ========================================================================= */
:root {
  --primary: #0b5ed7;
  --accent: #f59e0b;
  --dark: #0b1e3f;
  --text: #1f2937;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 10px;
  --container: 1200px;
  --font-body: 'Be Vietnam Pro', system-ui, sans-serif;
  --font-heading: var(--font-body);
  --primary-dark: color-mix(in srgb, var(--primary) 78%, black);
  --primary-soft: color-mix(in srgb, var(--primary) 10%, white);
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, .08);
  --shadow: 0 10px 30px -12px rgba(16, 24, 40, .18);
  --shadow-lg: 0 24px 60px -20px rgba(16, 24, 40, .28);
  --header-h: 76px;
  --section-y: clamp(56px, 8vw, 96px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.65; color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, video, iframe { max-width: 100%; }
img { height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
h1, h2, h3, h4, h5 { font-family: var(--font-heading); line-height: 1.25; margin: 0 0 .6em; color: var(--heading-color, var(--dark)); font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
button, input, select, textarea { font: inherit; color: inherit; }
.icon { flex-shrink: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.container { width: 100%; max-width: calc(var(--container) + 40px); margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.muted { color: var(--muted); }

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px; border: 2px solid transparent; cursor: pointer; transition: all .2s; line-height: 1.2; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 20px -8px var(--primary); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { filter: brightness(.93); color: #fff; transform: translateY(-1px); }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--dark); }
.btn-light:hover { background: var(--primary-soft); color: var(--primary); }
.btn-ghost-light { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-ghost-light:hover { background: #fff; color: var(--dark); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-block { width: 100%; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.link-arrow .icon { transition: transform .2s; }
.link-arrow:hover .icon { transform: translateX(4px); }

/* --------------------------------------------------------------- sections */
.section { padding: var(--section-y) 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--dark); color: rgba(255,255,255,.85); --heading-color: #fff; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head.split { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; text-align: left; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 700; font-size: 13px; letter-spacing: .12em;
  text-transform: uppercase; margin-bottom: 12px;
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: currentColor; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }
.section-dark .section-head p { color: rgba(255,255,255,.7); }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ----------------------------------------------------------------- topbar */
.topbar { background: var(--dark); color: rgba(255,255,255,.8); font-size: 13.5px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 42px; }
.topbar-info { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar-info span, .topbar-info a { display: inline-flex; align-items: center; gap: 6px; color: inherit; }
.topbar-info a:hover { color: #fff; }
.social { display: flex; gap: 6px; }
.social a {
  width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; color: inherit; transition: all .2s;
}
.social a:hover { background: var(--primary); color: #fff; }

/* ----------------------------------------------------------------- header */
.site-header { background: #fff; position: relative; z-index: 50; box-shadow: 0 1px 0 var(--border); transition: box-shadow .25s, background .25s; }
.site-header.is-sticky { position: sticky; top: 0; }
.site-header.scrolled { box-shadow: 0 6px 24px -10px rgba(0,0,0,.18); }
.header-inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; color: var(--dark); font-family: var(--font-heading); font-weight: 800; font-size: 22px; }
.logo img { height: 52px; width: auto; max-width: 240px; object-fit: contain; object-position: left center; }
.logo:hover { color: var(--dark); }
.main-nav { margin-left: auto; }
.main-nav > ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.main-nav li { position: relative; }
.main-nav a {
  display: flex; align-items: center; gap: 4px; padding: 10px 14px; color: var(--dark); font-weight: 600; font-size: 15px; border-radius: var(--radius);
}
.main-nav > ul > li > a { white-space: nowrap; padding: 10px clamp(8px, 0.9vw, 14px); }
.main-nav > ul > li > a:hover, .main-nav > ul > li.active > a { color: var(--primary); }
.main-nav > ul > li.active > a { background: var(--primary-soft); }
.main-nav .sub-menu {
  list-style: none; margin: 0; padding: 8px; position: absolute; top: 100%; left: 0; min-width: 240px; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .2s; border: 1px solid var(--border);
}
.main-nav li:hover > .sub-menu, .main-nav li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.main-nav .sub-menu a { font-weight: 500; padding: 9px 12px; }
.main-nav .sub-menu a:hover { background: var(--bg-alt); color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; border: 0; background: var(--bg-alt); cursor: pointer; color: var(--dark);
  transition: all .2s;
}
.icon-btn:hover { background: var(--primary); color: #fff; }
.header-hotline { display: flex; align-items: center; gap: 10px; color: var(--dark); line-height: 1.2; }
.header-hotline .ring { width: 42px; height: 42px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; }
.header-hotline small { display: block; color: var(--muted); font-size: 12px; }
.header-hotline b { font-size: 16px; white-space: nowrap; }
.nav-toggle { display: none; }
.search-panel { position: absolute; left: 0; right: 0; top: 100%; background: #fff; box-shadow: var(--shadow); padding: 18px 0; display: none; border-top: 1px solid var(--border); }
.search-panel.open { display: block; }
.search-form { display: flex; gap: 10px; }
.search-form input { flex: 1; }

/* ------------------------------------------------------------------- hero */
.hero { position: relative; overflow: hidden; background: var(--dark); color: #fff; }
.hero-slide {
  position: relative; min-height: clamp(460px, 72vh, 720px); display: flex; align-items: center; background-size: cover; background-position: center;
  opacity: 0; visibility: hidden; position: absolute; inset: 0; transition: opacity .8s, visibility .8s;
}
.hero-slide.active { opacity: 1; visibility: visible; position: relative; }
.hero-slide::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,15,35,.82) 0%, rgba(5,15,35,.55) 50%, rgba(5,15,35,.15) 100%); }
.hero-content { position: relative; max-width: 680px; padding: 80px 0; }
.hero-content h1, .hero-content h2 { color: #fff; font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: 18px; }
.hero-content p { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,.85); margin-bottom: 32px; }
.hero-slide.active .hero-content > * { animation: heroIn .9s both; }
.hero-slide.active .hero-content > *:nth-child(2) { animation-delay: .15s; }
.hero-slide.active .hero-content > *:nth-child(3) { animation-delay: .3s; }
@keyframes heroIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-dots { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.hero-dots button { width: 12px; height: 12px; border-radius: 99px; border: 0; background: rgba(255,255,255,.45); cursor: pointer; padding: 0; transition: all .3s; }
.hero-dots button.active { width: 34px; background: #fff; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 50px; height: 50px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.08); color: #fff; display: grid; place-items: center; cursor: pointer; transition: all .2s; backdrop-filter: blur(4px);
}
.hero-arrow:hover { background: #fff; color: var(--dark); }
.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }

/* ------------------------------------------------------------ page header */
.page-header {
  position: relative; background: var(--dark); color: #fff; padding: clamp(48px, 8vw, 88px) 0; background-size: cover; background-position: center; overflow: hidden;
}
.page-header::before { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, color-mix(in srgb, var(--dark) 92%, transparent), color-mix(in srgb, var(--primary) 70%, transparent)); }
.page-header .container { position: relative; }
.page-header h1 { color: #fff; margin-bottom: 10px; }
.page-header p { color: rgba(255,255,255,.8); max-width: 720px; margin: 0 0 8px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 14px; color: rgba(255,255,255,.75); list-style: none; padding: 0; margin: 0; }
.breadcrumbs a { color: #fff; }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs .sep { opacity: .6; display: inline-flex; }

/* ------------------------------------------------------------------ cards */
.card {
  background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: transform .3s, box-shadow .3s, border-color .3s;
  display: flex; flex-direction: column; height: 100%;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-media { position: relative; overflow: hidden; aspect-ratio: 4/3; background: var(--bg-alt); display: block; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.card:hover .card-media img { transform: scale(1.06); }
.card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card-title { font-size: 1.1rem; margin-bottom: 8px; }
.card-title a { color: var(--dark); }
.card-title a:hover { color: var(--primary); }
.card-text { color: var(--muted); font-size: 15px; margin-bottom: 16px; }
.card-foot { margin-top: auto; }
.tag {
  display: inline-block; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 99px; background: var(--primary-soft); color: var(--primary);
}
.card-media .tag { position: absolute; top: 14px; left: 14px; background: var(--primary); color: #fff; }
.badge-sale { position: absolute; top: 14px; right: 14px; background: #ef4444; color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 99px; }

/* service card */
.service-card { padding: 34px 28px; position: relative; }
.service-card .service-icon {
  width: 68px; height: 68px; border-radius: calc(var(--radius) + 6px); display: grid; place-items: center; background: var(--primary-soft); color: var(--primary);
  margin-bottom: 22px; transition: all .3s;
}
.service-card:hover .service-icon { background: var(--primary); color: #fff; transform: rotate(-6deg); }
.service-card .card-title { font-size: 1.2rem; }
.service-card .num { position: absolute; top: 22px; right: 26px; font-size: 44px; font-weight: 800; color: var(--bg-alt); font-family: var(--font-heading); line-height: 1; }

/* product card */
.product-card .card-body { padding: 18px; }
.product-card .card-title { font-size: 1rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.5em; }
.price { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.price .now { color: #e11d48; font-weight: 700; font-size: 1.1rem; }
.price .old { color: var(--muted); text-decoration: line-through; font-size: .9rem; }
.price .contact { color: var(--primary); font-weight: 700; }
.product-card .card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 12px; border-top: 1px dashed var(--border); }
.product-card .sku { color: var(--muted); font-size: 13px; margin-bottom: 6px; }

/* post card */
.post-meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13.5px; margin-bottom: 10px; }
.post-meta span { display: inline-flex; align-items: center; gap: 6px; }
.post-card .card-title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* team card */
.team-card { text-align: center; }
.team-card .card-media { aspect-ratio: 1; }
.team-card .card-body { padding: 18px; }
.team-card .role { color: var(--primary); font-weight: 600; font-size: 14px; margin-bottom: 8px; }

/* ------------------------------------------------------------------ about */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: calc(var(--radius) + 6px); width: 100%; aspect-ratio: 5/4; object-fit: cover; box-shadow: var(--shadow-lg); }
.about-media .exp-badge {
  position: absolute; right: -18px; bottom: -22px; background: var(--primary); color: #fff; padding: 22px 26px; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  text-align: center; line-height: 1.2;
}
.about-media .exp-badge b { display: block; font-size: 38px; font-family: var(--font-heading); }
.about-media::before {
  content: ''; position: absolute; left: -18px; top: -18px; width: 45%; height: 45%; border-radius: var(--radius);
  background-image: radial-gradient(var(--primary) 2px, transparent 2px); background-size: 16px 16px; opacity: .25; z-index: -1;
}
.check-list { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; }
.check-list li .icon { color: var(--primary); margin-top: 3px; }

/* ------------------------------------------------------------------ stats */
.stats-band { background: linear-gradient(120deg, var(--dark), color-mix(in srgb, var(--primary) 65%, var(--dark))); color: #fff; padding: 64px 0; position: relative; overflow: hidden; }
.stats-band::after { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px); background-size: 22px 22px; }
.stats-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 28px; text-align: center; }
.stat-item .icon { color: var(--accent); margin: 0 auto 12px; }
.stat-item .value { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; font-family: var(--font-heading); line-height: 1; margin-bottom: 8px; }
.stat-item .label { color: rgba(255,255,255,.75); }

/* ------------------------------------------------------------ testimonials */
.testimonial { background: #fff; border-radius: var(--radius); padding: 32px; border: 1px solid var(--border); height: 100%; display: flex; flex-direction: column; position: relative; }
.testimonial .quote-icon { color: var(--primary); opacity: .18; position: absolute; top: 22px; right: 24px; }
.testimonial .stars { color: var(--accent); letter-spacing: 2px; margin-bottom: 14px; }
.testimonial blockquote { margin: 0 0 24px; font-size: 15.5px; color: var(--text); flex: 1; font-style: italic; }
.testimonial .who { display: flex; gap: 14px; align-items: center; }
.testimonial .who img { width: 54px; height: 54px; border-radius: 50%; object-fit: cover; }
.testimonial .who b { display: block; color: var(--dark); }
.testimonial .who small { color: var(--muted); }

/* carousel (testimonials / partners) */
.carousel { position: relative; }
.carousel-track { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 2 * 28px) / 3); gap: 28px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 6px 2px 10px; }
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track > * { scroll-snap-align: start; }
.carousel-nav { display: flex; gap: 10px; justify-content: center; margin-top: 28px; }
.carousel-nav button { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border); background: #fff; cursor: pointer; display: grid; place-items: center; color: var(--dark); transition: all .2s; }
.carousel-nav button:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.partners { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 20px; align-items: center; }
.partner { display: grid; place-items: center; height: 90px; padding: 16px; border-radius: var(--radius); background: #fff; border: 1px solid var(--border); transition: all .3s; }
.partner img { max-height: 54px; width: auto; filter: grayscale(1); opacity: .7; transition: all .3s; }
.partner:hover { box-shadow: var(--shadow); }
.partner:hover img { filter: none; opacity: 1; }

/* -------------------------------------------------------------------- cta */
.cta-band { padding: 0 0 var(--section-y); }
.cta-box {
  background: linear-gradient(120deg, var(--primary), color-mix(in srgb, var(--primary) 55%, var(--dark))); color: #fff; border-radius: calc(var(--radius) + 8px);
  padding: clamp(36px, 6vw, 64px); display: flex; align-items: center; justify-content: space-between; gap: 28px; position: relative; overflow: hidden;
}
.cta-box::after { content: ''; position: absolute; width: 380px; height: 380px; border-radius: 50%; border: 60px solid rgba(255,255,255,.07); right: -120px; top: -160px; }
.cta-box h2 { color: #fff; margin-bottom: 8px; }
.cta-box p { margin: 0; color: rgba(255,255,255,.85); }
.cta-box .actions { display: flex; gap: 12px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ----------------------------------------------------------------- layout */
.with-sidebar { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 36px; align-items: start; }
.with-sidebar.right { grid-template-columns: minmax(0, 1fr) 320px; }
.widget { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 24px; }
.widget-title { font-size: 1.05rem; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 2px solid var(--bg-alt); position: relative; }
.widget-title::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 48px; height: 2px; background: var(--primary); }
.cat-list { list-style: none; padding: 0; margin: 0; }
.cat-list a { display: flex; justify-content: space-between; align-items: center; padding: 9px 10px; color: var(--text); border-radius: 6px; }
.cat-list a:hover, .cat-list a.active { background: var(--primary-soft); color: var(--primary); }
.cat-list .count { font-size: 12px; background: var(--bg-alt); border-radius: 99px; padding: 1px 9px; color: var(--muted); }
.cat-list ul { list-style: none; padding-left: 14px; margin: 0; }
.mini-post { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.mini-post:last-child { border-bottom: 0; }
.mini-post img { width: 76px; height: 60px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
.mini-post a { color: var(--dark); font-weight: 600; font-size: 14px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mini-post a:hover { color: var(--primary); }
.mini-post small { color: var(--muted); font-size: 12px; }
.widget-cta { background: linear-gradient(140deg, var(--primary), var(--dark)); color: #fff; border: 0; text-align: center; }
.widget-cta h3 { color: #fff; }
.widget-cta .phone { font-size: 1.4rem; font-weight: 800; color: #fff; display: block; margin: 8px 0 16px; }

.list-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }
.list-toolbar .result { color: var(--muted); }
.list-toolbar form { display: flex; gap: 8px; }
.products-grid { display: grid; grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr)); gap: 24px; }
.filter-toggle { display: none; }

.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 48px; flex-wrap: wrap; list-style: none; padding: 0; }
.pagination a, .pagination span {
  min-width: 44px; height: 44px; display: grid; place-items: center; border-radius: var(--radius); border: 1px solid var(--border); color: var(--dark); font-weight: 600; padding: 0 12px;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state .icon { margin: 0 auto 12px; color: var(--border); }

/* ---------------------------------------------------------------- product */
.product-detail { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 56px); align-items: start; }
.gallery-main { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: #fff; aspect-ratio: 1; position: relative; }
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 12px; }
.gallery-thumbs button { border: 2px solid var(--border); border-radius: 8px; overflow: hidden; padding: 0; cursor: pointer; aspect-ratio: 1; background: #fff; }
.gallery-thumbs button.active { border-color: var(--primary); }
.gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.product-info h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.product-info .meta { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.product-info .price { margin: 18px 0; padding: 16px 20px; background: var(--bg-alt); border-radius: var(--radius); }
.product-info .price .now, .product-info .price .contact { font-size: 1.7rem; }
.product-info .summary { color: var(--text); margin-bottom: 22px; }
.product-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.product-actions .btn { flex: 1; min-width: 180px; }
.assurance { list-style: none; padding: 18px 0 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; border-top: 1px solid var(--border); }
.assurance li { display: flex; gap: 10px; align-items: center; font-size: 14px; }
.assurance .icon { color: var(--primary); }
.tabs-nav { display: flex; gap: 6px; border-bottom: 2px solid var(--border); margin: 56px 0 28px; overflow-x: auto; }
.tabs-nav button { background: none; border: 0; padding: 14px 22px; font-weight: 700; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; white-space: nowrap; }
.tabs-nav button.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.spec-table { width: 100%; border-collapse: collapse; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.spec-table th, .spec-table td { padding: 13px 18px; border-bottom: 1px solid var(--border); text-align: left; }
.spec-table th { background: var(--bg-alt); width: 34%; font-weight: 600; color: var(--dark); }

/* ------------------------------------------------------------------ prose */
.prose { font-size: 16.5px; line-height: 1.8; }
.prose h2 { font-size: 1.6rem; margin-top: 1.6em; }
.prose h3 { font-size: 1.3rem; margin-top: 1.4em; }
.prose img { border-radius: var(--radius); margin: 1.4em auto; }
.prose blockquote { margin: 1.5em 0; padding: 18px 24px; border-left: 4px solid var(--primary); background: var(--bg-alt); border-radius: 0 var(--radius) var(--radius) 0; font-style: italic; }
.prose ul li, .prose ol li { margin-bottom: .4em; }
.prose a { text-decoration: underline; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.4em 0; }
.prose td, .prose th { border: 1px solid var(--border); padding: 10px 12px; }
.prose iframe { width: 100%; aspect-ratio: 16/9; height: auto; border: 0; border-radius: var(--radius); }
.prose .ql-align-center { text-align: center; }
.prose .ql-align-right { text-align: right; }
.prose .ql-align-justify { text-align: justify; }
.prose > *:first-child { margin-top: 0; }

.article-head .post-meta { margin-bottom: 20px; }
.article-cover { border-radius: calc(var(--radius) + 4px); overflow: hidden; margin-bottom: 32px; }
.article-cover img { width: 100%; max-height: 480px; object-fit: cover; }
.share { display: flex; gap: 10px; align-items: center; padding: 22px 0; margin-top: 32px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.share a { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--bg-alt); color: var(--dark); }
.share a:hover { background: var(--primary); color: #fff; }

/* ------------------------------------------------------------ forms/contact */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-control {
  width: 100%; padding: 13px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; transition: border-color .2s, box-shadow .2s; font-size: 15px;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft); }
textarea.form-control { min-height: 130px; resize: vertical; }
.form-label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--dark); }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 18px; display: flex; gap: 10px; align-items: flex-start; }
.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.form-box { background: #fff; border-radius: calc(var(--radius) + 4px); padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.contact-cards { display: grid; gap: 16px; }
.contact-card { display: flex; gap: 16px; padding: 22px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); align-items: flex-start; }
.contact-card .ico { width: 52px; height: 52px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; flex-shrink: 0; }
.contact-card h4 { margin: 0 0 4px; font-size: 1rem; }
.contact-card p, .contact-card a { margin: 0; color: var(--muted); }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 36px; align-items: start; }
.map-embed { border-radius: var(--radius); overflow: hidden; line-height: 0; }
.map-embed iframe { width: 100%; height: 420px; border: 0; }

/* ----------------------------------------------------------------- footer */
.site-footer { background: var(--dark); color: rgba(255,255,255,.72); padding-top: 72px; font-size: 15px; }
.site-footer h4 { color: #fff; font-size: 1.05rem; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.site-footer h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 36px; height: 2px; background: var(--accent); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 48px; }
.site-footer a { color: rgba(255,255,255,.72); }
.site-footer a:hover { color: #fff; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-links a { display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { transform: translateX(3px); }
.footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.footer-contact li { display: flex; gap: 12px; align-items: flex-start; }
.footer-contact .icon { color: var(--accent); margin-top: 3px; }
.footer-logo img { height: 56px; width: auto; max-width: 240px; object-fit: contain; object-position: left center; margin-bottom: 18px; }
.footer-logo { font-size: 22px; font-weight: 800; color: #fff; font-family: var(--font-heading); display: inline-block; margin-bottom: 14px; }
.site-footer .social a { background: rgba(255,255,255,.08); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: 14px; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* -------------------------------------------------------- floating & misc */
.floating-contact { position: fixed; left: 18px; bottom: 22px; z-index: 60; display: flex; flex-direction: column; gap: 12px; }
.floating-contact a {
  width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center; color: #fff; box-shadow: 0 8px 20px -6px rgba(0,0,0,.35); position: relative;
}
.floating-contact .fc-phone { background: #e11d48; }
.floating-contact .fc-phone::before { content: ''; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid #e11d48; animation: pulse 1.6s infinite; }
.floating-contact .fc-zalo { background: #0068ff; }
.floating-contact .fc-messenger { background: linear-gradient(45deg, #0078ff, #a033ff); }
@keyframes pulse { from { transform: scale(.9); opacity: 1; } to { transform: scale(1.45); opacity: 0; } }
.floating-contact .label { position: absolute; left: 60px; background: #fff; color: var(--dark); white-space: nowrap; font-weight: 600; font-size: 13px; padding: 6px 12px; border-radius: 99px; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity .2s; }
.floating-contact a:hover .label { opacity: 1; }
.back-to-top {
  position: fixed; right: 20px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--primary); color: #fff; cursor: pointer;
  display: grid; place-items: center; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .3s; z-index: 60;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.preview-bar { background: #111827; color: #fff; font-size: 14px; text-align: center; padding: 8px 12px; position: relative; z-index: 100; }
.preview-bar a { color: #fbbf24; font-weight: 600; margin-left: 8px; }
.error-page { text-align: center; padding: 100px 0; }
.error-page .code { font-size: clamp(5rem, 15vw, 9rem); font-weight: 800; line-height: 1; color: var(--primary); font-family: var(--font-heading); }

/* reveal on scroll (only when JS + option enabled) */
.has-anim .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.has-anim .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .has-anim .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; scroll-behavior: auto !important; }
}

/* ------------------------------------------------------------- responsive */
@media (max-width: 1280px) {
  .header-hotline small { display: none; }
}
@media (max-width: 1100px) {
  .header-hotline { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 991px) {
  :root { --header-h: 68px; }
  .nav-toggle { display: grid; }
  .main-nav {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(340px, 86vw); background: #fff; z-index: 200; padding: 76px 18px 24px; overflow-y: auto;
    transform: translateX(100%); transition: transform .3s, box-shadow .3s; margin: 0;
  }
  .nav-open .main-nav { transform: none; box-shadow: var(--shadow-lg); }
  .nav-open .site-header { z-index: 210; }
  .nav-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 150; opacity: 0; visibility: hidden; transition: all .3s; }
  .nav-open .nav-backdrop { opacity: 1; visibility: visible; }
  .main-nav > ul { flex-direction: column; gap: 0; }
  .main-nav a { padding: 13px 12px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .main-nav .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 14px; display: none; min-width: 0; }
  .main-nav li.open > .sub-menu { display: block; }
  .main-nav .nav-close { position: absolute; top: 16px; right: 16px; }
  .header-actions .btn { display: none; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-grid, .product-detail, .contact-layout { grid-template-columns: 1fr; }
  .with-sidebar, .with-sidebar.right { grid-template-columns: 1fr; }
  .with-sidebar .sidebar { order: 2; }
  .products-grid { --cols: 3 !important; }
  .carousel-track { grid-auto-columns: calc((100% - 28px) / 2); }
  .cta-box { flex-direction: column; text-align: center; align-items: center; }
  .section-head.split { flex-direction: column; align-items: flex-start; }
  .about-media .exp-badge { right: 12px; }
}
@media (min-width: 992px) { .main-nav .nav-close, .nav-backdrop { display: none; } }
@media (max-width: 767px) {
  .topbar-info span.hide-sm, .topbar .social { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .products-grid { --cols: 2 !important; gap: 14px; }
  .product-card .card-body { padding: 12px; }
  .product-card .card-foot .link-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-grid { grid-template-columns: 1fr; }
  .carousel-track { grid-auto-columns: 88%; }
  .hero-arrow { display: none; }
  .assurance { grid-template-columns: 1fr; }
  .floating-contact { left: 12px; bottom: 16px; }
  .floating-contact a { width: 46px; height: 46px; }
}

/* ------------------------------------------------ form builder / popup / FAQ / TOC */
.cms-form-title { margin-bottom: 6px; }
.cms-form-desc { margin-bottom: 18px; }
.choice-group { display: flex; flex-wrap: wrap; gap: 10px 18px; padding-top: 4px; }
.choice { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 15px; }
.choice input { width: 18px; height: 18px; accent-color: var(--primary); }
.popup { position: fixed; inset: 0; z-index: 300; background: rgba(10, 15, 30, .6); display: none; align-items: center; justify-content: center; padding: 16px; }
.popup.open { display: flex; animation: fadeIn .2s; }
.popup-box { background: #fff; border-radius: calc(var(--radius) + 4px); width: min(440px, 100%); padding: 28px; position: relative; box-shadow: var(--shadow-lg); max-height: 92vh; overflow-y: auto; }
.popup-close { position: absolute; top: 12px; right: 12px; border: 0; background: var(--bg-alt); width: 36px; height: 36px; border-radius: 50%; cursor: pointer; display: grid; place-items: center; color: var(--dark); }
.popup-head { display: flex; gap: 14px; align-items: center; margin-bottom: 18px; color: var(--primary); }
.popup-head b { display: block; color: var(--dark); font-size: 1.2rem; font-family: var(--font-heading); }
.popup-head span { color: var(--muted); font-size: 14px; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.floating-contact .fc-callback { background: var(--primary); }
.faq-block { margin: 40px 0 8px; }
.faq-title { font-size: 1.5rem; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; background: #fff; }
.faq-item summary { list-style: none; cursor: pointer; padding: 16px 20px; font-weight: 600; color: var(--dark); display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { transition: transform .2s; flex-shrink: 0; color: var(--primary); }
.faq-item[open] summary .icon { transform: rotate(180deg); }
.faq-answer { padding: 0 20px 18px; color: var(--text); }
.toc { background: var(--bg-alt); border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: var(--radius); padding: 14px 20px; margin: 0 0 28px; }
.toc summary { cursor: pointer; font-weight: 700; color: var(--dark); display: flex; gap: 8px; align-items: center; }
.toc ol { margin: 12px 0 4px; padding-left: 22px; }
.toc li { margin: 5px 0; }
.toc li.lv3 { margin-left: 18px; list-style-type: circle; font-size: 15px; }
.toc a { color: var(--text); }
.toc a:hover { color: var(--primary); }
.prose a.auto-link { text-decoration: none; border-bottom: 1px dashed var(--primary); }
.prose [id] { scroll-margin-top: calc(var(--header-h) + 16px); }

/* ------------------------------------------------ features / process / category content */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.feature-icon { width: 58px; height: 58px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; flex-shrink: 0; }
.feature-item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.feature-item p { margin: 0; color: var(--muted); font-size: 14.5px; }
.process-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 20px; counter-reset: s; }
.process-steps li { background: #fff; border-radius: var(--radius); padding: 26px 22px; border: 1px solid var(--border); position: relative; }
.process-steps .step-no { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; color: var(--primary); opacity: .25; line-height: 1; display: block; margin-bottom: 10px; }
.process-steps h3 { font-size: 1.05rem; margin-bottom: 6px; }
.process-steps p { color: var(--muted); font-size: 14.5px; margin: 0; }
.category-content { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--border); }
.subcat-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.subcat-chips a { padding: 8px 16px; border: 1px solid var(--border); border-radius: 99px; color: var(--dark); font-weight: 500; font-size: 14px; background: #fff; }
.subcat-chips a:hover { border-color: var(--primary); color: var(--primary); }
@media (max-width: 767px) {
  .list-toolbar form { width: 100%; }
  .list-toolbar form input { flex: 1; width: auto !important; min-width: 0; }
}

/* ------------------------------------------------ catalogue list & PDF viewer */
.cat-filter-note { background: var(--bg-alt); padding: 12px 16px; border-radius: var(--radius); margin-bottom: 24px; }
.catalogue-list { display: grid; gap: 22px; }
.catalogue-item { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 24px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; align-items: start; }
.catalogue-cover { position: relative; display: block; aspect-ratio: 3/4; border-radius: calc(var(--radius) - 2px); overflow: hidden; background: var(--bg-alt); box-shadow: 0 10px 20px -12px rgba(0,0,0,.4); }
.catalogue-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.catalogue-item:hover .catalogue-cover img { transform: scale(1.05); }
.catalogue-cover-ph { width: 100%; height: 100%; display: grid; place-items: center; color: var(--primary); }
.catalogue-cover-ph.small { width: 56px; height: 70px; background: var(--bg-alt); border-radius: 6px; flex-shrink: 0; }
.catalogue-badge { position: absolute; top: 10px; left: 10px; background: #dc2626; color: #fff; font-weight: 700; font-size: 11px; padding: 3px 8px; border-radius: 4px; letter-spacing: .05em; }
.catalogue-body h2 { font-size: 1.3rem; margin-bottom: 8px; }
.catalogue-body h2 a { color: var(--dark); }
.catalogue-body h2 a:hover { color: var(--primary); }
.catalogue-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.catalogue-meta span { display: inline-flex; gap: 6px; align-items: center; }
.catalogue-body p { color: var(--text); margin-bottom: 16px; }
.catalogue-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.viewer-section { padding-top: 28px; }
.pdf-viewer { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: #525659; }
.pdf-viewer:fullscreen { border-radius: 0; display: flex; flex-direction: column; }
.pdf-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; padding: 8px 12px; background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 2; }
.pdf-group { display: flex; align-items: center; gap: 4px; }
.pdf-group button { width: 36px; height: 36px; border: 1px solid var(--border); background: #fff; border-radius: 8px; display: grid; place-items: center; cursor: pointer; color: var(--dark); }
.pdf-group button:hover { border-color: var(--primary); color: var(--primary); }
.pdf-page { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; margin: 0 4px; }
.pdf-page input { width: 52px; height: 34px; text-align: center; border: 1px solid var(--border); border-radius: 6px; }
.pdf-zoom { min-width: 48px; text-align: center; font-size: 13px; color: var(--muted); }
.pdf-stage { height: min(80vh, 1100px); overflow: auto; padding: 12px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.pdf-viewer:fullscreen .pdf-stage { height: auto; flex: 1; }
.pdf-pagebox { background: #fff; box-shadow: 0 4px 16px rgba(0,0,0,.35); flex-shrink: 0; max-width: none; }
.pdf-pagebox canvas { display: block; }
.pdf-loading { color: #fff; display: flex; gap: 10px; align-items: center; margin: auto; }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.pdf-fallback { background: #fff; padding: 20px; margin: 0; }
.viewer-others { margin-top: 40px; }
.viewer-others h2 { font-size: 1.3rem; }
.viewer-others-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.viewer-other { display: flex; gap: 12px; align-items: center; padding: 10px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--dark); background: #fff; }
.viewer-other:hover { border-color: var(--primary); }
.viewer-other img { width: 56px; height: 70px; object-fit: cover; border-radius: 6px; }
.viewer-other small { display: block; color: var(--muted); }
.btn-catalogue { gap: 8px; }
@media (max-width: 767px) {
  .catalogue-item { grid-template-columns: 96px minmax(0, 1fr); gap: 14px; padding: 12px; }
  .catalogue-body h2 { font-size: 1.05rem; }
  .catalogue-body p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; font-size: 14px; }
  .catalogue-actions .btn { padding: 8px 12px; font-size: 13px; }
  .pdf-actions { width: 100%; justify-content: stretch; }
  .pdf-actions .btn { flex: 1; }
  .pdf-stage { height: 72vh; padding: 6px; }
}

/* ------------------------------------------------ area landing pages */
.area-products-title { margin-top: 40px; font-size: 1.5rem; }
.area-nearby { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); }
.area-nearby h2 { font-size: 1.3rem; }
.area-links { display: flex; flex-wrap: wrap; gap: 8px; }
.area-links a { padding: 7px 14px; border: 1px solid var(--border); border-radius: 99px; font-size: 14px; color: var(--dark); display: inline-flex; gap: 6px; align-items: center; }
.area-links a:hover { border-color: var(--primary); color: var(--primary); }
.area-quote { position: sticky; top: 90px; margin-bottom: 20px; padding: 22px; }
.area-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.area-group { border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; background: #fff; }
.area-group h2 { font-size: 1.15rem; display: flex; gap: 8px; align-items: center; color: var(--primary); }
.area-group ul { margin: 0; padding-left: 18px; }
.area-group li { margin: 6px 0; }
@media (max-width: 991px) { .area-quote { position: static; } }

/* ------------------------------------------------ language switcher */
.lang-switch { display: inline-flex; border: 1px solid var(--border); border-radius: 99px; overflow: hidden; font-size: 12.5px; font-weight: 700; }
.lang-switch a { padding: 5px 10px; color: var(--dark); line-height: 1.2; }
.lang-switch a.active { background: var(--primary); color: #fff; }
.c-topbar .lang-switch { border-color: #cfd6e2; background: #fff; }
.is-home.theme-modern .site-header .lang-switch a:not(.active) { color: #fff; }

/* =========================================================================
   Contact box (end of articles / products), reviews, sidebar lists
   ========================================================================= */
:root { --cb-color: #d7262d; }
.contact-box { margin: 36px 0 8px; border: 2px solid var(--cb-color); border-radius: var(--radius); background: #fff; overflow: hidden; box-shadow: 0 10px 30px -22px rgba(215, 38, 45, .7); }
.contact-box-head { display: flex; gap: 14px; align-items: center; padding: 14px 20px; background: color-mix(in srgb, var(--cb-color) 7%, #fff); border-bottom: 1px solid color-mix(in srgb, var(--cb-color) 25%, #fff); }
.contact-box-ico { width: 48px; height: 48px; flex-shrink: 0; border-radius: 50%; background: var(--cb-color); color: #fff; display: grid; place-items: center; }
.contact-box-head b { display: block; font-family: var(--font-heading); font-size: 1.2rem; color: var(--cb-color); text-transform: uppercase; letter-spacing: .02em; line-height: 1.25; }
.contact-box-head span { color: var(--muted); font-size: 14px; }
.contact-box-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 8px 28px; padding: 18px 20px 6px; }
.contact-box-company strong { display: block; color: var(--dark); font-size: 15.5px; line-height: 1.4; margin-bottom: 8px; text-transform: uppercase; }
.contact-box-company p { display: flex; gap: 8px; align-items: flex-start; margin: 0 0 6px; color: var(--text); font-size: 14.5px; }
.contact-box-company .icon { flex-shrink: 0; margin-top: 3px; color: var(--cb-color); }
.contact-box-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 14.5px; }
.contact-box-list li { display: flex; gap: 8px; align-items: center; min-width: 0; }
.contact-box-list li > svg { flex-shrink: 0; color: var(--cb-color); }
.contact-box-list span { color: var(--muted); white-space: nowrap; }
.contact-box-list a, .contact-box-list b { color: var(--dark); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.contact-box-list a:hover { color: var(--cb-color); }
.contact-box-list li.is-hot a { color: var(--cb-color); font-size: 1.15rem; font-family: var(--font-heading); letter-spacing: .03em; }
.contact-box-actions { display: flex; gap: 10px; flex-wrap: wrap; padding: 14px 20px 18px; }
.cb-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: var(--radius); font-weight: 700; font-size: 14px; border: 2px solid transparent; transition: filter .2s, background .2s; flex: 1 1 auto; }
.cb-btn-red { background: var(--cb-color); color: #fff; }
.cb-btn-red:hover { color: #fff; filter: brightness(.92); }
.cb-btn-zalo { background: #0068ff; color: #fff; }
.cb-btn-zalo:hover { color: #fff; filter: brightness(.92); }
.cb-btn-line { border-color: var(--cb-color); color: var(--cb-color); background: #fff; }
.cb-btn-line:hover { background: var(--cb-color); color: #fff; }

.reviews-block { margin: 40px 0 8px; }
.block-title { display: flex; gap: 10px; align-items: center; font-size: 1.4rem; margin-bottom: 18px; }
.block-title .icon { color: var(--accent); }
.expert-review { border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: var(--radius); padding: 18px 20px; background: var(--bg-alt); margin-bottom: 18px; }
.expert-review-head { display: flex; gap: 10px 16px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.expert-badge { display: inline-flex; gap: 6px; align-items: center; background: var(--primary); color: #fff; font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 5px 10px; border-radius: 999px; }
.expert-by { color: var(--muted); font-size: 14px; font-weight: 600; }
.expert-text { margin: 0 0 12px; color: var(--text); }
.expert-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.expert-col b { display: flex; gap: 6px; align-items: center; color: var(--dark); margin-bottom: 6px; }
.expert-col.pros .icon { color: #16a34a; }
.expert-col.cons .icon { color: #d97706; }
.expert-col ul { margin: 0; padding-left: 20px; font-size: 14.5px; display: grid; gap: 4px; }
.customer-reviews { border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; background: #fff; }
.review-summary { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.review-score { display: grid; justify-items: center; min-width: 110px; }
.review-score b { font-size: 2.6rem; line-height: 1; color: var(--dark); font-family: var(--font-heading); }
.review-score small { color: var(--muted); }
.stars { color: #f5a524; letter-spacing: 2px; }
.review-dist { flex: 1; min-width: 200px; display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.review-dist > div { display: grid; grid-template-columns: 34px 1fr 24px; gap: 8px; align-items: center; }
.review-dist i { height: 8px; background: var(--bg-alt); border-radius: 4px; overflow: hidden; }
.review-dist em { display: block; height: 100%; background: #f5a524; }
.review-empty { margin: 0; flex: 1; display: flex; gap: 8px; align-items: center; color: var(--muted); }
.review-write-btn { margin-left: auto; }
.review-form { margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--border); }
.review-form[hidden] { display: none; }
.review-note { margin-left: 12px; }
.star-input { display: inline-flex; flex-direction: row-reverse; gap: 2px; margin-bottom: 14px; }
.star-input input { position: absolute; opacity: 0; pointer-events: none; }
.star-input label { font-size: 32px; line-height: 1; color: #d6dae1; cursor: pointer; transition: color .15s; }
.star-input label:hover, .star-input label:hover ~ label, .star-input input:checked ~ label { color: #f5a524; }
.star-input input:focus-visible + label { outline: 2px solid var(--primary); outline-offset: 2px; }
.review-list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 14px; }
.review-list li { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 12px; padding-top: 14px; border-top: 1px solid var(--border); }
.review-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 700; }
.review-meta { display: flex; gap: 4px 12px; flex-wrap: wrap; align-items: baseline; }
.review-meta span, .review-meta time { color: var(--muted); font-size: 13px; }
.review-list p { margin: 4px 0 0; }

.side-list .mini-thumb { flex-shrink: 0; }
.side-list .mini-thumb img { width: 76px; height: 60px; object-fit: cover; border-radius: calc(var(--radius) / 2); }
.mini-product .mini-thumb img { height: 76px; object-fit: contain; background: #fff; border: 1px solid var(--border); padding: 3px; }
.mini-product a:not(.mini-thumb) { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mini-quote { margin-top: 6px; border: 0; background: none; padding: 0; color: var(--cb-color); font-weight: 700; font-size: 13px; display: inline-flex; gap: 4px; align-items: center; cursor: pointer; }
.side-more { display: inline-flex; gap: 4px; align-items: center; margin-top: 12px; font-weight: 600; font-size: 14px; }
.popup-hotline { text-align: center; margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.popup-hotline a { font-weight: 700; color: var(--cb-color); display: inline-flex; gap: 4px; align-items: center; }
.popup-quote .popup-head { color: var(--cb-color); }
.popup-quote [data-popup-context] { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 767px) {
  .contact-box-body, .expert-cols { grid-template-columns: 1fr; }
  .contact-box-head { padding: 12px 14px; }
  .contact-box-body { padding: 14px 14px 4px; }
  .contact-box-actions { padding: 12px 14px 16px; }
  .cb-btn { flex-basis: 100%; }
  .review-write-btn { margin-left: 0; width: 100%; }
  .customer-reviews, .expert-review { padding: 14px; }
}

.review-invite-note { display: flex; gap: 8px; align-items: center; background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; border-radius: var(--radius); padding: 10px 14px; margin: 0 0 14px; font-size: 14.5px; }
.cms-credit { opacity: .75; }

/* ---------------- projects / references ---------------- */
.projects-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.projects-grid.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.project-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .25s, transform .25s; }
.project-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.project-card-img { position: relative; display: block; aspect-ratio: 3/2; overflow: hidden; background: var(--bg-alt); }
.project-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.project-card:hover .project-card-img img { transform: scale(1.05); }
.project-tag { position: absolute; left: 10px; bottom: 10px; background: rgba(10, 20, 40, .78); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.project-card-body { padding: 14px 16px 16px; }
.project-card-body h3 { font-size: 1rem; line-height: 1.4; margin: 0 0 8px; text-transform: none; letter-spacing: 0; font-family: var(--font-body); font-weight: 700; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.project-card-body h3 a { color: var(--dark); }
.project-card-body h3 a:hover { color: var(--primary); }
.project-meta { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 13.5px; color: var(--muted); }
.project-meta li { display: flex; gap: 6px; align-items: center; }
.project-meta .icon { flex-shrink: 0; color: var(--primary); }
.projects-block { margin: 40px 0 8px; }
.project-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.project-filter a { padding: 7px 16px; border: 1px solid var(--border); border-radius: 999px; color: var(--dark); font-weight: 600; font-size: 14px; background: #fff; }
.project-filter a.active, .project-filter a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.project-facts { list-style: none; margin: 0 0 22px; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }
.project-facts li { display: flex; gap: 10px; align-items: center; padding: 12px 14px; background: var(--bg-alt); border-radius: var(--radius); }
.project-facts .icon { color: var(--primary); flex-shrink: 0; }
.project-facts small { display: block; color: var(--muted); font-size: 12.5px; }
.project-facts b { color: var(--dark); font-size: 14.5px; }
.project-lead { font-size: 1.08rem; font-weight: 500; color: var(--dark); }
.project-items { border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: var(--radius); padding: 16px 20px; margin: 18px 0 24px; }
.project-items h2 { display: flex; gap: 8px; align-items: center; font-size: 1.15rem; margin: 0 0 10px; }
.project-items ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.project-items li { display: flex; gap: 8px; align-items: flex-start; }
.project-items li .icon { color: #16a34a; flex-shrink: 0; margin-top: 4px; }
.project-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.project-gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: calc(var(--radius) / 2); }
@media (max-width: 991px) { .projects-grid, .projects-grid.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 575px) { .projects-grid, .projects-grid.compact { grid-template-columns: 1fr; } .project-gallery { grid-template-columns: 1fr 1fr; } }

/* phones: floating buttons become a bottom contact bar (never covers the text) */
@media (max-width: 767px) {
  body { padding-bottom: 58px; }
  .floating-contact { left: 0; right: 0; bottom: 0; flex-direction: row; gap: 0; background: #fff; box-shadow: 0 -4px 16px -6px rgba(0, 0, 0, .25); padding-bottom: env(safe-area-inset-bottom); }
  .floating-contact a { flex: 1; width: auto; height: 58px; border-radius: 0; box-shadow: none; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
  .floating-contact a svg { width: 21px; height: 21px; }
  .floating-contact .fc-phone::before { display: none; }
  .floating-contact .label { position: static; opacity: 1; background: none; box-shadow: none; padding: 0; color: #fff; font-size: 11.5px; font-weight: 600; line-height: 1.15; text-align: center; white-space: normal; pointer-events: none; }
  .back-to-top { bottom: 72px; }
}

/* ---------------- TikTok strip (compact, horizontal scroll) ---------------- */
.tiktok-strip { padding: clamp(32px, 4vw, 48px) 0; background: linear-gradient(180deg, #0f1115 0%, #1b1f27 100%); color: #fff; }
.tiktok-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.tiktok-brand { display: flex; align-items: center; gap: 12px; }
.tiktok-logo { width: 44px; height: 44px; border-radius: 12px; background: #000; display: grid; place-items: center; color: #fff; box-shadow: -2px -2px 0 #25f4ee, 2px 2px 0 #fe2c55; }
.tiktok-brand h2 { margin: 0; font-size: clamp(1.1rem, 2vw, 1.35rem); color: #fff; }
.tiktok-brand a { color: #9ca3af; font-size: 13.5px; }
.tiktok-brand a:hover { color: #fff; }
.tiktok-follow { display: inline-flex; align-items: center; gap: 6px; background: #fe2c55; color: #fff; padding: 8px 16px; border-radius: 999px; font-weight: 700; font-size: 14px; }
.tiktok-follow:hover { color: #fff; filter: brightness(1.08); }
.tiktok-scroller { position: relative; }
.tiktok-track { display: grid; grid-auto-flow: column; grid-auto-columns: 150px; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; padding-bottom: 2px; }
.tiktok-track::-webkit-scrollbar { display: none; }
.tiktok-card { position: relative; aspect-ratio: 9 / 16; border: 0; padding: 0; border-radius: 10px; overflow: hidden; background: #222; cursor: pointer; scroll-snap-align: start; color: #fff; text-align: left; }
.tiktok-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.tiktok-card:hover img { transform: scale(1.05); }
.tiktok-card::after { content: ''; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(0, 0, 0, .8)); pointer-events: none; }
.tiktok-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 44px; height: 44px; border-radius: 50%; background: rgba(0, 0, 0, .45); display: grid; place-items: center; backdrop-filter: blur(2px); transition: background .2s; }
.tiktok-play svg { margin-left: 3px; fill: #fff; }
.tiktok-card:hover .tiktok-play { background: #fe2c55; }
.tiktok-title { position: absolute; left: 8px; right: 8px; bottom: 8px; z-index: 1; font-size: 12px; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tiktok-scroller .c-scroll-btn { position: absolute; top: 42%; width: 38px; height: 38px; border-radius: 50%; border: 0; background: #fff; color: #111; display: grid; place-items: center; cursor: pointer; box-shadow: 0 6px 16px -6px rgba(0, 0, 0, .6); z-index: 2; }
.tiktok-scroller .c-scroll-btn:disabled { opacity: 0; pointer-events: none; }
.tiktok-scroller .c-scroll-btn.prev { left: -14px; }
.tiktok-scroller .c-scroll-btn.next { right: -14px; }
.tiktok-popup .popup-box { width: min(340px, 100%); padding: 0; background: #000; overflow: hidden; }
.tiktok-popup .popup-close { z-index: 2; background: rgba(255, 255, 255, .9); }
.tiktok-frame iframe { display: block; width: 100%; height: min(78vh, 600px); border: 0; }
@media (max-width: 767px) {
  .tiktok-track { grid-auto-columns: 118px; gap: 10px; }
  .tiktok-scroller .c-scroll-btn { display: none; }
  .tiktok-play { width: 36px; height: 36px; }
}

.tiktok-strip.is-compact { padding: 22px 0; }
.tiktok-strip.is-compact .tiktok-head { margin-bottom: 0; }

/* ---------------- service page: contact & quote panel ---------------- */
.service-quote { padding: 0 0 clamp(40px, 6vw, 72px); }
.sq-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); border-radius: calc(var(--radius) + 6px); overflow: hidden; box-shadow: 0 24px 60px -30px rgba(15, 23, 42, .45); border: 1px solid var(--border); }
.sq-info { background: linear-gradient(150deg, var(--dark) 0%, color-mix(in srgb, var(--dark) 65%, var(--primary)) 100%); color: #fff; padding: clamp(24px, 3.5vw, 40px); display: flex; flex-direction: column; gap: 16px; }
.sq-kicker { display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; background: rgba(255, 255, 255, .12); padding: 5px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.sq-info h2 { color: #fff; margin: 0; font-size: clamp(1.35rem, 2.4vw, 1.8rem); line-height: 1.25; }
.sq-info p { margin: 0; opacity: .85; }
.sq-hotline { display: flex; align-items: center; gap: 14px; background: #fff; color: var(--dark); border-radius: var(--radius); padding: 12px 16px; transition: transform .2s; }
.sq-hotline:hover { transform: translateY(-2px); color: var(--dark); }
.sq-hotline-ico { width: 48px; height: 48px; border-radius: 50%; background: var(--cb-color, #d7262d); color: #fff; display: grid; place-items: center; flex-shrink: 0; animation: ring 2.2s infinite; }
.sq-hotline small { display: block; color: var(--muted); font-size: 12.5px; }
.sq-hotline b { font-size: clamp(1.3rem, 2.4vw, 1.65rem); color: var(--cb-color, #d7262d); letter-spacing: .02em; font-family: var(--font-heading); }
.sq-links { display: flex; flex-wrap: wrap; gap: 8px; }
.sq-links a { display: inline-flex; align-items: center; gap: 7px; color: #fff; border: 1px solid rgba(255, 255, 255, .3); padding: 7px 12px; border-radius: var(--radius); font-size: 14px; }
.sq-links a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.sq-steps { list-style: none; margin: auto 0 0; padding: 14px 0 0; border-top: 1px solid rgba(255, 255, 255, .18); display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sq-steps li { display: flex; align-items: center; gap: 10px; font-size: 13.5px; }
.sq-steps b { width: 28px; height: 28px; border-radius: 50%; background: rgba(255, 255, 255, .15); display: grid; place-items: center; font-size: 13px; flex-shrink: 0; }
.sq-form { background: #fff; padding: clamp(24px, 3.5vw, 40px); }
.sq-form .cms-form .btn, .sq-form .cms-form [type=submit] { width: 100%; justify-content: center; }
@media (max-width: 860px) { .sq-panel { grid-template-columns: 1fr; } }
@keyframes sq-ring { 0%, 70%, 100% { transform: rotate(0); } 75% { transform: rotate(-12deg); } 80% { transform: rotate(12deg); } 85% { transform: rotate(-8deg); } 90% { transform: rotate(8deg); } }
.sq-hotline-ico { animation-name: sq-ring; }