/* ============================================================
   SVNCORP — Environmental Machinery
   Design system: Industrial Engineering Credibility
   Palette: Deep marine blue + steel grey + signal teal accent
   ============================================================ */

:root{
  /* Brand — theo logo SVNCORP: xanh lá #016737 + vàng #F4B007 */
  --blue-900:#0A3D22;   /* xanh lá đậm nhất - header/footer */
  --blue-800:#016737;   /* xanh lá chính (primary) */
  --blue-700:#057A43;
  --blue-600:#0A6E3C;   /* xanh lá link */
  --blue-500:#0E8A4C;   /* links / hover */
  --blue-50:#E8F4ED;    /* tint nền nhạt */
  --teal:#0E8A4C;       /* eco accent (cùng tông xanh lá) */
  --teal-dark:#016737;
  --amber:#F4B007;      /* vàng CTA - theo logo */
  --amber-dark:#D89A00;

  /* Neutrals */
  --ink:#16202B;        /* body text */
  --ink-2:#465360;      /* secondary text */
  --ink-3:#7A8794;      /* muted */
  --line:#E2E8EF;       /* borders */
  --line-2:#D2DBE4;
  --paper:#FFFFFF;
  --paper-2:#F5F8FB;    /* subtle section bg */
  --paper-3:#EDF2F7;

  /* Type */
  --font-display:"Space Grotesk","Inter",system-ui,sans-serif;
  --font-body:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",ui-monospace,monospace;

  --maxw:1240px;
  --radius:10px;
  --radius-sm:6px;
  --shadow-sm:0 1px 2px rgba(16,32,43,.06),0 1px 3px rgba(16,32,43,.08);
  --shadow:0 4px 12px rgba(16,32,43,.08),0 2px 4px rgba(16,32,43,.05);
  --shadow-lg:0 12px 32px rgba(16,32,43,.12);
  --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  font-size:16px;line-height:1.65;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;-webkit-user-drag:none;user-select:none;-webkit-user-select:none}
/* Chống copy thông số kỹ thuật (bảo vệ IP) */
.spec-table,.pd-quick,.hero-card{user-select:none;-webkit-user-select:none;-moz-user-select:none}
a{color:var(--blue-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--blue-500)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.2;color:var(--blue-900);letter-spacing:-.01em}
ul{list-style:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ===== EYEBROW / LABELS ===== */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--teal-dark);
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--teal)}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-display);font-weight:600;font-size:15px;
  padding:13px 26px;border-radius:var(--radius-sm);border:1.5px solid transparent;
  cursor:pointer;transition:all .2s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--blue-800);color:#fff}
.btn-primary:hover{background:var(--blue-900);color:#fff;box-shadow:var(--shadow);transform:translateY(-1px)}
.btn-cta{background:var(--amber);color:#1a1205;font-weight:700}
.btn-cta:hover{background:var(--amber-dark);color:#1a1205;box-shadow:var(--shadow);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--blue-800);border-color:var(--line-2)}
.btn-ghost:hover{background:var(--blue-50);border-color:var(--blue-600);color:var(--blue-800)}
.btn-white{background:#fff;color:var(--blue-900)}
.btn-white:hover{background:var(--blue-50);color:var(--blue-900)}
.btn-lg{padding:16px 32px;font-size:16px}
.btn svg{width:18px;height:18px}

/* ============================================================
   HEADER
   ============================================================ */
.topbar{background:var(--blue-900);color:#cfe0f0;font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:20px}
.topbar a{color:#cfe0f0}
.topbar a:hover{color:#fff}
.topbar-left{display:flex;gap:22px;align-items:center}
.topbar-left .ti{display:inline-flex;gap:7px;align-items:center}
.topbar-left svg{width:15px;height:15px;opacity:.85}
.topbar-right{display:flex;gap:16px;align-items:center}
.lang{font-family:var(--font-mono);font-size:12px;letter-spacing:.05em}
.lang a{padding:2px 6px;border-radius:3px}
.lang a.on{background:rgba(255,255,255,.15);color:#fff}

.header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(16,32,43,.03)}
.header .wrap{display:flex;align-items:center;gap:22px;height:82px}
.brand{display:flex;align-items:center;gap:13px;flex:0 0 auto;min-width:0}
.brand-logo{display:block;width:232px;height:auto;max-height:58px;object-fit:contain}
.hero-dash{display:none}
.brand-mark{width:46px;height:46px;flex-shrink:0}
.brand-text strong{display:block;font-family:var(--font-display);font-size:23px;font-weight:700;color:var(--blue-900);line-height:1;letter-spacing:.02em}
.brand-text span{display:block;font-size:11.5px;color:var(--ink-3);letter-spacing:.03em;margin-top:3px}

.nav{display:flex;align-items:center;gap:1px;margin-left:auto}
.nav>li{position:relative}
.nav>li>a{
  display:flex;align-items:center;gap:5px;font-family:var(--font-display);font-weight:500;
  font-size:14.5px;color:var(--ink);padding:10px 12px;border-radius:var(--radius-sm);
}
.nav>li>a:hover,.nav>li.active>a{color:var(--blue-800);background:var(--blue-50)}
.nav>li>a .chev{width:14px;height:14px;opacity:.6}

/* dropdown */
.dropdown{
  position:absolute;top:calc(100% + 8px);left:0;min-width:288px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;
  transform:translateY(6px);transition:all .2s var(--ease);
}
.nav>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:var(--radius-sm);
  color:var(--ink);font-size:14.5px;
}
.dropdown a:hover{background:var(--paper-2)}
.dropdown a .dot{width:34px;height:34px;border-radius:8px;background:var(--blue-50);display:grid;place-items:center;flex-shrink:0;color:var(--blue-600)}
.dropdown a .dot svg{width:19px;height:19px}
.dropdown a small{display:block;color:var(--ink-3);font-size:12px;margin-top:1px}

.header-cta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.hotline-box{display:flex;align-items:center;gap:10px}
.hotline-box .ic{width:38px;height:38px;border-radius:9px;background:var(--blue-50);display:grid;place-items:center;color:var(--blue-700)}
.hotline-box .ic svg{width:20px;height:20px;color:var(--blue-600)}
.hotline-box small{display:block;font-size:11px;color:var(--ink-3);line-height:1}
.hotline-box strong{display:block;font-family:var(--font-display);font-size:17px;color:var(--blue-900);line-height:1.3}

.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;cursor:pointer;flex-direction:column;gap:4px;align-items:center;justify-content:center}
.burger span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ============================================================
   HERO  (signature: ảnh thật + blueprint grid + live spec ticker)
   ============================================================ */
.hero{position:relative;background:linear-gradient(160deg,#002B5C 0%,#003D7A 55%,#00528F 100%);color:#fff;overflow:hidden;min-height:540px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;z-index:0;object-fit:cover;width:100%;height:100%;opacity:.28}
.hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(0,28,58,.55) 0%,rgba(0,43,92,.78) 100%)}
.hero::before{
  content:"";position:absolute;inset:0;z-index:2;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(ellipse 90% 80% at 70% 30%,#000 30%,transparent 75%);
}
.hero .wrap{position:relative;z-index:3;display:grid;grid-template-columns:1.35fr .75fr;gap:40px;align-items:center;padding-top:58px;padding-bottom:62px}
.hero-eyebrow{color:#F4B007}
.hero-eyebrow::before{background:var(--teal)}
.hero h1{font-size:46px;color:#fff;font-weight:800;margin:18px 0 16px;letter-spacing:-.025em;line-height:1.12;text-shadow:0 2px 12px rgba(0,0,0,.25);white-space:nowrap}
.hero h1 em{font-style:normal;color:#F4B007}
.hero p.lead{font-size:19px;color:#e3eefa;max-width:650px;margin-bottom:28px;line-height:1.58}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:14px;margin-top:32px;padding-top:0;border-top:0}
.hero-stats .s{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:18px 24px;backdrop-filter:blur(4px)}
.hero-stats .s strong{display:block;font-family:var(--font-display);font-size:30px;color:#fff;line-height:1}
.hero-stats .s span{font-size:13px;color:#bcd2e8;margin-top:6px;display:block}

/* hero visual: spec card */
.hero-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:6px;backdrop-filter:blur(6px);box-shadow:var(--shadow-lg);
}
.hero-card-inner{background:#fff;border-radius:10px;overflow:hidden}
.hero-card-top{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start}
.hero-card-top .label{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase}
.hero-card-top h3{font-size:21px;color:var(--blue-900);margin-top:4px}
.hero-card-top .badge{background:var(--teal);color:#fff;font-size:11px;font-weight:600;padding:4px 10px;border-radius:20px;font-family:var(--font-display)}
.hero-spec-row{display:flex;justify-content:space-between;padding:13px 20px;border-bottom:1px solid var(--paper-3);font-size:14px}
.hero-spec-row:last-child{border-bottom:0}
.hero-spec-row .k{color:var(--ink-2)}
.hero-spec-row .v{font-family:var(--font-mono);font-weight:500;color:var(--blue-800)}
.hero-card-foot{padding:15px 20px;background:var(--paper-2);font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.hero-card-foot svg{width:15px;height:15px;color:var(--teal-dark)}

/* ============================================================
   SECTION PRIMITIVES
   ============================================================ */
.section{padding:64px 0}
.section.tint{background:var(--paper-2)}
.section.ink{background:var(--blue-900);color:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:42px;margin:12px 0 14px;line-height:1.2;font-weight:800;letter-spacing:-.025em}
.section-head p{font-size:17px;color:var(--ink-2);line-height:1.65}
.section.ink .section-head h2{color:#fff}
.section.ink .section-head p{color:#aec6dd}

/* ===== TRUST BAR ===== */
.trustbar{background:#fff;border-bottom:1px solid var(--line)}
.trustbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:26px;padding:16px 24px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:12px}
.trust-item .ic{width:40px;height:40px;border-radius:9px;background:var(--blue-50);display:grid;place-items:center;color:var(--blue-600);flex-shrink:0}
.trust-item .ic svg{width:21px;height:21px}
.trust-item strong{display:block;font-family:var(--font-display);font-size:15px;color:var(--blue-900);line-height:1.2}
.trust-item small{font-size:12.5px;color:var(--ink-3)}

/* ============================================================
   CATEGORY CARDS
   ============================================================ */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:all .22s var(--ease);position:relative;overflow:hidden;
}
.cat-card::after{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--teal);transition:height .25s var(--ease)}
.cat-card:hover{border-color:var(--line-2);box-shadow:var(--shadow);transform:translateY(-3px)}
.cat-card:hover::after{height:100%}
.cat-card .ci{width:54px;height:54px;border-radius:12px;background:var(--blue-50);display:grid;place-items:center;color:var(--blue-700);margin-bottom:20px}
.cat-card .ci svg{width:28px;height:28px}
.cat-card h3{font-size:19px;margin-bottom:9px}
.cat-card p{font-size:14px;color:var(--ink-2);margin-bottom:16px}
.cat-card .more{font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--blue-600);display:inline-flex;gap:6px;align-items:center}
.cat-card .more svg{width:15px;height:15px;transition:transform .2s}
.cat-card:hover .more svg{transform:translateX(3px)}
.cat-card .count{position:absolute;top:24px;right:24px;font-family:var(--font-mono);font-size:12px;color:var(--ink-3)}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod-grid.cols-4{grid-template-columns:repeat(3,1fr)}
.prod-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .22s var(--ease);display:flex;flex-direction:column;
}
.prod-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--line-2)}
.prod-thumb{position:relative;aspect-ratio:1/1;background:var(--paper-3);overflow:hidden}
.prod-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.prod-card:hover .prod-thumb img{transform:scale(1.04)}
.prod-badge{position:absolute;top:12px;left:12px;background:rgba(0,43,92,.92);color:#fff;font-size:11.5px;font-weight:600;font-family:var(--font-display);padding:5px 11px;border-radius:20px;letter-spacing:.02em}
.prod-badge.feat{background:var(--teal)}
.prod-body{padding:22px;display:flex;flex-direction:column;flex:1}
.prod-cat{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.prod-body h3{font-size:19px;margin-bottom:14px;line-height:1.3}
.prod-body h3 a{color:var(--blue-900)}
.prod-body h3 a:hover{color:var(--blue-600)}
.prod-specs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;margin-top:auto}
.spec-chip{display:inline-flex;align-items:center;gap:6px;background:var(--paper-2);border:1px solid var(--line);border-radius:6px;padding:7px 11px;font-size:13px;color:var(--ink-2)}
.spec-chip b{font-family:var(--font-mono);color:var(--blue-800);font-weight:600}
.spec-chip svg{width:14px;height:14px;color:var(--ink-3)}
.spec-chip.capacity-range{flex:1 1 100%;justify-content:flex-start}
.prod-foot{display:flex;gap:8px;padding-top:16px;border-top:1px solid var(--paper-3)}
.prod-foot .btn{flex:1;justify-content:center;padding:11px 14px;font-size:14.5px}

/* ============================================================
   WHY / VALUE
   ============================================================ */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.why-item{padding:0}
.why-item .ic{width:52px;height:52px;border-radius:12px;background:rgba(0,168,142,.12);display:grid;place-items:center;color:var(--teal);margin-bottom:18px}
.why-item .ic svg{width:27px;height:27px}
.section.ink .why-item .ic{background:rgba(127,232,213,.14)}
.why-item h3{font-size:18px;margin-bottom:10px}
.section.ink .why-item h3{color:#fff}
.why-item p{font-size:14.5px;color:var(--ink-2)}
.section.ink .why-item p{color:#aec6dd}

/* ============================================================
   CTA STRIP
   ============================================================ */
.cta-strip{background:linear-gradient(120deg,var(--blue-800),var(--blue-600));border-radius:16px;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px;color:#fff;position:relative;overflow:hidden}
.cta-strip::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.06)}
.cta-strip h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-strip p{color:#cfe0f0;font-size:16px;max-width:520px}
.cta-strip .actions{display:flex;gap:14px;flex-shrink:0;position:relative}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.crumb{background:var(--paper-2);border-bottom:1px solid var(--line)}
.crumb .wrap{display:flex;align-items:center;gap:8px;padding:15px 24px;font-size:13.5px;color:var(--ink-3)}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--blue-600)}
.crumb .sep{color:var(--line-2)}
.crumb .cur{color:var(--blue-800);font-weight:500}

/* page header */
.page-hero{background:linear-gradient(160deg,#002B5C,#003D7A);color:#fff;padding:54px 0}
.page-hero .eyebrow{color:#F4B007}
.page-hero .eyebrow::before{background:var(--teal)}
.page-hero h1{font-size:40px;color:#fff;margin:14px 0 12px}
.page-hero p{font-size:17px;color:#cfe0f0;max-width:680px}

/* ============================================================
   PRODUCT LISTING (sidebar + grid)
   ============================================================ */
.shop{display:grid;grid-template-columns:282px 1fr;gap:36px;align-items:start}
.filters{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:6px 0}
.filter-group{padding:20px 22px;border-bottom:1px solid var(--paper-3)}
.filter-group:last-child{border-bottom:0}
.filter-group h4{font-size:13px;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);margin-bottom:14px}
.filter-group label{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:14.5px;color:var(--ink);cursor:pointer}
.filter-group label:hover{color:var(--blue-700)}
.filter-group input[type=checkbox],.filter-group input[type=radio]{width:17px;height:17px;accent-color:var(--blue-600)}
.filter-group label .cnt{margin-left:auto;font-family:var(--font-mono);font-size:12px;color:var(--ink-3)}

.shop-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:14px}
.shop-toolbar .res{font-size:14.5px;color:var(--ink-2)}
.shop-toolbar .res b{color:var(--blue-800)}
.shop-toolbar select{font-family:var(--font-body);font-size:14px;padding:9px 14px;border:1px solid var(--line-2);border-radius:var(--radius-sm);background:#fff;color:var(--ink);cursor:pointer}

/* ============================================================
   PRODUCT DETAIL
   ============================================================ */
.pd{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start}
.pd-gallery{position:sticky;top:96px}
.pd-main-img{aspect-ratio:1;background:var(--paper-3);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.pd-main-img img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:flex;gap:10px;margin-top:12px}
.pd-thumbs img{width:74px;height:74px;object-fit:cover;border:1.5px solid var(--line);border-radius:8px;cursor:pointer;background:var(--paper-3)}
.pd-thumbs img.on,.pd-thumbs img:hover{border-color:var(--blue-600)}

.pd-info h1{font-size:31px;margin-bottom:8px}
.pd-sku{font-family:var(--font-mono);font-size:13px;color:var(--ink-3);margin-bottom:18px}
.pd-quick{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0}
.pd-quick .q{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px}
.pd-quick .q span{font-size:12px;color:var(--ink-3);display:block;margin-bottom:4px}
.pd-quick .q strong{font-family:var(--font-display);font-size:19px;color:var(--blue-800)}
.pd-quick .q strong small{font-size:13px;color:var(--ink-3);font-weight:400}
.pd-lead{font-size:16px;color:var(--ink-2);margin:18px 0 24px;line-height:1.7}
.pd-actions{display:flex;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.pd-note{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.pd-note svg{width:16px;height:16px;color:var(--teal-dark)}

/* tabs */
.pd-tabs{margin-top:64px}
.tab-nav{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:30px;flex-wrap:wrap}
.tab-nav button{
  font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--ink-3);
  background:none;border:0;padding:13px 20px;cursor:pointer;position:relative;margin-bottom:-2px;
}
.tab-nav button.on{color:var(--blue-800)}
.tab-nav button.on::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--blue-700)}
.tab-pane{display:none}
.tab-pane.on{display:block}
.prose{font-size:16px;color:var(--ink);line-height:1.75;max-width:780px}
.prose h2,.prose h3{margin:28px 0 12px}
.prose h3{font-size:20px}
.prose p{margin-bottom:14px}
.prose ul{list-style:disc;padding-left:22px;margin-bottom:14px}
.prose ul li{margin-bottom:7px}
.prose strong{color:var(--blue-900)}

/* spec table */
.spec-table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-table tr:nth-child(even){background:var(--paper-2)}
.spec-table th,.spec-table td{text-align:left;padding:13px 18px;font-size:14.5px;border-bottom:1px solid var(--line)}
.spec-table th{width:42%;color:var(--ink-2);font-weight:500}
.spec-table td{font-family:var(--font-mono);color:var(--blue-900);font-weight:500}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}

/* related */
.related{margin-top:24px}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.contact-info .ci-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.contact-info .ci-item:last-child{border:0}
.contact-info .ic{width:46px;height:46px;border-radius:11px;background:var(--blue-50);display:grid;place-items:center;color:var(--blue-600);flex-shrink:0}
.contact-info .ic svg{width:22px;height:22px}
.contact-info h4{font-size:14px;color:var(--ink-3);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;font-weight:500;margin-bottom:4px}
.contact-info .ci-item p{font-size:16px;color:var(--ink);font-weight:500}
.contact-info .ci-item a{color:var(--blue-800)}

.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:17px}
.field label{display:block;font-size:13.5px;font-weight:500;color:var(--ink-2);margin-bottom:7px}
.field label .req{color:var(--amber)}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--font-body);font-size:15px;color:var(--ink);
  padding:12px 14px;border:1.5px solid var(--line-2);border-radius:var(--radius-sm);
  background:#fff;transition:border .18s,box-shadow .18s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(10,111,203,.12);
}
.field textarea{resize:vertical;min-height:120px}
.alert{padding:14px 18px;border-radius:var(--radius-sm);font-size:14.5px;margin-bottom:20px}
.alert-ok{background:rgba(0,168,142,.1);border:1px solid rgba(0,168,142,.3);color:var(--teal-dark)}
.alert-err{background:#fdeaea;border:1px solid #f3c2c2;color:#b42323}

/* ============================================================
   POSTS
   ============================================================ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .22s var(--ease)}
.post-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.post-card .pt{aspect-ratio:16/9;background:var(--paper-3);overflow:hidden}
.post-card .pt img{width:100%;height:100%;object-fit:cover}
.post-card .pb{padding:22px}
.post-card .meta{font-family:var(--font-mono);font-size:11.5px;color:var(--ink-3);letter-spacing:.04em;margin-bottom:10px;text-transform:uppercase}
.post-card h3{font-size:18px;line-height:1.3;margin-bottom:10px}
.post-card p{font-size:14.5px;color:var(--ink-2)}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--blue-900);color:#aec6dd;padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .fbrand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer .fbrand strong{font-family:var(--font-display);font-size:22px;color:#fff;letter-spacing:.02em}
.footer-top p.fdesc{font-size:14.5px;line-height:1.65;margin-bottom:20px;max-width:340px}
.footer h5{font-family:var(--font-display);font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer ul li{margin-bottom:11px}
.footer ul li a{color:#aec6dd;font-size:14.5px;display:inline-flex;align-items:center;gap:8px}
.footer ul li a:hover{color:#fff}
.footer ul li svg,.footer ul li a svg{width:16px;height:16px;flex-shrink:0}
.footer ul li{display:flex;align-items:flex-start;gap:8px}
.footer ul li svg{margin-top:2px}
.fsocial{display:flex;gap:10px}
.fsocial a{width:38px;height:38px;border-radius:9px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#cfe0f0}
.fsocial a:hover{background:var(--teal);color:#fff}
.fsocial svg{width:18px;height:18px}
.fnews input{width:100%;padding:12px 14px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:var(--radius-sm);color:#fff;font-size:14px;margin-bottom:10px}
.fnews input::placeholder{color:#7f98b0}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:22px 0;font-size:13px;color:#7f98b0;flex-wrap:wrap;gap:12px}
.footer-bottom a{color:#aec6dd}

/* floating contact: Phone + Zalo */
.float-contact{position:fixed;right:20px;bottom:20px;z-index:1000;display:flex;flex-direction:column;gap:14px}
.fc-btn{position:relative;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 4px 14px rgba(0,0,0,.25);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.fc-btn svg{width:28px;height:28px;position:relative;z-index:2}
.fc-phone{background:var(--amber)}
.fc-phone:hover{background:#d9690a;transform:scale(1.1);box-shadow:0 8px 20px rgba(242,120,12,.5);color:#fff}
.fc-zalo{background:#0068FF}
.fc-zalo svg{width:40px;height:40px}
.fc-zalo:hover{background:#0052cc;transform:scale(1.1);box-shadow:0 8px 20px rgba(0,104,255,.5);color:#fff}
/* pulse ring trên nút gọi */
.fc-pulse{position:absolute;inset:0;border-radius:50%;border:2px solid var(--amber);animation:fcpulse 1.8s ease-out infinite;z-index:1}
@keyframes fcpulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.8);opacity:0}}
/* tooltip */
.fc-btn::after{content:attr(data-tip);position:absolute;right:calc(100% + 14px);top:50%;transform:translateY(-50%) translateX(6px);background:rgba(16,32,43,.92);color:#fff;font-size:13px;font-weight:500;padding:8px 13px;border-radius:7px;white-space:nowrap;opacity:0;visibility:hidden;transition:.2s var(--ease);pointer-events:none}
.fc-btn::before{content:"";position:absolute;right:calc(100% + 8px);top:50%;transform:translateY(-50%);border:6px solid transparent;border-left-color:rgba(16,32,43,.92);opacity:0;visibility:hidden;transition:.2s var(--ease)}
.fc-btn:hover::after,.fc-btn:hover::before{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
@media(max-width:560px){
  .float-contact{right:14px;bottom:14px;gap:12px}
  .fc-btn{width:50px;height:50px}
  .fc-btn::after,.fc-btn::before{display:none}
}

/* availability badge */
.avail{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;font-family:var(--font-display);padding:6px 13px;border-radius:20px;margin-bottom:18px}
.avail::before{content:"";width:8px;height:8px;border-radius:50%}
.avail.san_xuat{background:rgba(0,168,142,.12);color:var(--teal-dark)}
.avail.san_xuat::before{background:var(--teal)}
.avail.co_san{background:rgba(0,168,142,.12);color:var(--teal-dark)}
.avail.co_san::before{background:var(--teal)}
.avail.dat_hang{background:rgba(242,120,12,.12);color:#c2620a}
.avail.dat_hang::before{background:var(--amber)}

/* testimonials */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column}
.testi-stars{color:var(--amber);font-size:16px;letter-spacing:2px;margin-bottom:14px}
.testi-card p{font-size:15.5px;color:var(--ink);line-height:1.7;font-style:italic;margin-bottom:20px;flex:1}
.testi-author{display:flex;align-items:center;gap:13px;padding-top:16px;border-top:1px solid var(--paper-3)}
.testi-author .av{width:46px;height:46px;border-radius:50%;background:var(--blue-50);color:var(--blue-700);display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:18px;flex-shrink:0}
.testi-author strong{display:block;font-size:14.5px;color:var(--blue-900)}
.testi-author small{font-size:12.5px;color:var(--ink-3)}

/* download list (product tab) */
.dl-list{display:flex;flex-direction:column;gap:12px;max-width:560px}
.dl-item{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper-2)}
.dl-item .di{width:42px;height:42px;border-radius:9px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--amber);flex-shrink:0}
.dl-item strong{display:block;font-size:14.5px;color:var(--blue-900)}
.dl-item small{font-size:12.5px;color:var(--ink-3)}
.dl-item .btn{margin-left:auto}

@media(max-width:1080px){.testi-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.testi-grid{grid-template-columns:1fr}}

/* pagination */
.pager{display:flex;gap:6px;justify-content:center;margin-top:44px}
.pager a,.pager span{min-width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line-2);border-radius:var(--radius-sm);font-family:var(--font-display);font-size:14.5px;color:var(--ink);padding:0 10px}
.pager a:hover{border-color:var(--blue-600);color:var(--blue-700)}
.pager .on{background:var(--blue-800);border-color:var(--blue-800);color:#fff}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1180px){
  .header-cta .hotline-box{display:none}
  .hero h1{white-space:normal;font-size:44px}
  .hero-dash{display:inline}
}
@media(max-width:1080px){
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .hero-card{max-width:440px}
  .cat-grid,.why-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid,.prod-grid.cols-4,.post-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .hero h1{font-size:44px;white-space:normal}
}
@media(max-width:880px){
  .nav,.header-cta .hotline-box{display:none}
  .burger{display:flex}
  .shop{grid-template-columns:1fr}
  .filters{position:static}
  .pd{grid-template-columns:1fr;gap:30px}
  .pd-gallery{position:static}
  .contact-grid{grid-template-columns:1fr}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:38px}
  .hero{min-height:auto}
  .hero h1{font-size:38px;white-space:normal}
  .section-head h2{font-size:32px}
  .hero p.lead{font-size:18px}
}
@media(max-width:560px){
  .wrap{padding:0 16px}
  .section{padding:46px 0}
  .cat-grid,.why-grid,.prod-grid,.prod-grid.cols-4,.post-grid,.form-row,.pd-quick{grid-template-columns:1fr}
  .hero h1{font-size:31px;white-space:normal}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-stats{flex-direction:column;gap:12px}
  .hero-stats .s{display:flex;align-items:baseline;gap:12px;padding:14px 18px}
  .hero-stats .s strong{font-size:24px}
  .hero-stats .s span{margin-top:0}
  .footer-top{grid-template-columns:1fr}
  .topbar-left .ti.hide-sm{display:none}
}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:200;visibility:hidden}
.drawer.open{visibility:visible}
.drawer-bg{position:absolute;inset:0;background:rgba(0,20,40,.5);opacity:0;transition:.25s}
.drawer.open .drawer-bg{opacity:1}
.drawer-panel{position:absolute;right:0;top:0;height:100%;width:312px;max-width:86vw;background:#fff;transform:translateX(100%);transition:transform .28s var(--ease);overflow-y:auto;padding:22px}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-panel .dclose{position:absolute;top:16px;right:16px;width:40px;height:40px;border:0;background:var(--paper-2);border-radius:8px;cursor:pointer;font-size:22px;color:var(--ink)}
.drawer-panel nav{margin-top:40px}
.drawer-panel nav a{display:block;padding:14px 12px;font-family:var(--font-display);font-weight:500;font-size:16px;color:var(--ink);border-bottom:1px solid var(--paper-3)}
.drawer-panel nav a:hover{color:var(--blue-700)}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:10px}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ===== Industry application grid ===== */
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.industry-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:all .2s var(--ease);display:flex;flex-direction:column}
.industry-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:var(--line-2)}
.industry-card .ic{width:48px;height:48px;border-radius:11px;background:var(--blue-50);color:var(--blue-700);display:grid;place-items:center;margin-bottom:14px}
.industry-card .ic svg{width:26px;height:26px}
.industry-card h3{font-size:17px;margin-bottom:12px;color:var(--blue-900)}
.industry-card dl{margin:0 0 16px;font-size:13.5px;line-height:1.5;flex:1}
.industry-card dt{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);margin-top:9px}
.industry-card dd{margin:2px 0 0;color:var(--ink-2)}
.industry-card .btn{align-self:flex-start;margin-top:auto}
@media(max-width:1080px){.industry-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.industry-grid{grid-template-columns:1fr}}

/* required marker cho form */
.rq{color:var(--amber);font-weight:700}

/* Logo thật SVNCORP */
.brand-logo{height:48px;width:auto;display:block}
@media(max-width:560px){.brand-logo{height:40px}}

/* ===== FAQ frontend ===== */
.faq-section{padding:48px 0;background:var(--paper-2,#f7f9f8)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-q{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.faq-q summary{padding:16px 20px;font-weight:600;cursor:pointer;font-size:16px;color:var(--blue-900);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q summary::-webkit-details-marker{display:none}
.faq-q summary::after{content:'+';font-size:22px;color:var(--amber);font-weight:400;flex-shrink:0}
.faq-q[open] summary::after{content:'–'}
.faq-q summary:hover{color:var(--blue-800)}
.faq-a{padding:0 20px 18px;color:var(--ink-2);line-height:1.65;font-size:14.5px}
.faq-a p:first-child{margin-top:0}

/* ===== Bảo vệ nội dung: toast + user-select ===== */
.copy-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:#1a3a2a;color:#fff;padding:12px 22px;border-radius:30px;font-size:14px;font-weight:500;box-shadow:0 8px 30px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:all .3s ease;z-index:9999}
.copy-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.pd-gallery img,.gallery-grid img,.product-card img,.spec-table,.model-table{user-select:none;-webkit-user-select:none}
.pd-gallery img,.gallery-grid img{-webkit-user-drag:none}

/* ===== Khối nội dung kỹ thuật SVNCORP (svn-*) ===== */
.prose .svn-note,.prose .svn-warning,.prose .svn-pros,.prose .svn-checklist,
.prose .svn-spec-box,.prose .svn-cta-box,.prose .svn-comparison,.prose .svn-contact{
  margin:20px 0;padding:16px 18px;border-radius:10px;font-size:15px;line-height:1.6}
.prose .svn-note{background:#eaf4fb;border-left:4px solid #2c8fd6}
.prose .svn-warning{background:#fff4e0;border-left:4px solid #e8a32c}
.prose .svn-pros{background:#e9f7ef;border-left:4px solid #1a9e6f}
.prose .svn-checklist{background:#f3f6f9;border-left:4px solid #016737}
.prose .svn-spec-box{background:#f7f9fb;border:1px solid var(--line)}
.prose .svn-contact{background:#016737;color:#fff}
.prose .svn-contact a{color:#F4B007}
.prose .svn-cta-box{background:linear-gradient(135deg,#016737,#015a30);color:#fff;text-align:center;font-size:16px}
.prose .svn-cta-box a{display:inline-block;margin-top:10px;background:#F4B007;color:#1a1205;padding:9px 22px;border-radius:24px;font-weight:600;text-decoration:none}
.prose .svn-cta-box a:hover{background:#ffc933}
.prose .svn-video{position:relative;padding-bottom:56.25%;height:0;margin:20px 0;border-radius:10px;overflow:hidden}
.prose .svn-video iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.prose .spec-table,.prose .model-table,.prose .svn-comparison table{width:100%;border-collapse:collapse;margin:8px 0;font-size:14px}
.prose .spec-table th,.prose .model-table th,.prose .svn-comparison th{background:#016737;color:#fff;padding:8px 12px;text-align:left}
.prose .spec-table td,.prose .model-table td,.prose .svn-comparison td{padding:8px 12px;border:1px solid var(--line)}
.prose .svn-pros ul,.prose .svn-checklist ul{margin:8px 0 0;padding-left:20px}

/* ============================================================
   UI FIX 2026-06-15 — Hero spec card + centered homepage sections
   ============================================================ */
.hero-visual{display:flex;justify-content:flex-end;align-items:center}
.hero-card{width:100%;max-width:430px}
.hero-spec-row{
  display:grid;
  grid-template-columns:minmax(145px,1fr) minmax(170px,max-content);
  align-items:center;
  column-gap:18px;
}
.hero-spec-row .k,
.hero-spec-row .v{white-space:nowrap}
.hero-spec-row .v{text-align:right}
.hero-card-foot{white-space:nowrap}
.section-head.center{max-width:820px;margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head.center p{max-width:760px;margin-left:auto;margin-right:auto;text-wrap:balance}

@media (max-width:1100px){
  .hero-card{max-width:390px}
  .hero-spec-row{grid-template-columns:minmax(130px,1fr) minmax(145px,max-content)}
}
@media (max-width:768px){
  .hero-visual{justify-content:flex-start}
  .hero-card{max-width:100%}
  .hero-spec-row{grid-template-columns:1fr;row-gap:4px}
  .hero-spec-row .k,
  .hero-spec-row .v,
  .hero-card-foot{white-space:normal;text-align:left}
}