:root{
  --ink:#1b2333; --ink-2:#3a4456; --muted:#646d7c; --paper:#faf7f2; --card:#ffffff; --line:#e8e1d5;
  --accent:#b5532a; --accent-d:#93401d; --accent-soft:#f6e6dc; --sage:#2f6b5c; --sage-soft:#e3efe9; --gold:#c99a3b;
  --r:14px; --shadow:0 1px 2px rgba(27,35,51,.06),0 8px 24px rgba(27,35,51,.07);
  --w:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.6vw,52px)} h2{font-size:clamp(24px,3vw,34px)} h3{font-size:20px}
p{margin:0 0 1em}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.alt{background:#fff}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.lead{font-size:18px;color:var(--ink-2)}
.muted{color:var(--muted)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.sec-head p{margin:0;max-width:620px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;border:1.5px solid transparent;cursor:pointer;transition:.18s;text-decoration:none!important;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d)}
.btn-ghost{border-color:currentColor;color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-line{border-color:var(--line);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--ink)}
.btn-zalo{background:#0068ff;color:#fff}

/* ---------- Header ---------- */
.topbar{background:var(--ink);color:#cfd5df;font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.topbar a{color:#fff}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none!important}
.brand svg{width:42px;height:42px;flex:none}
.brand b{display:block;font-size:19px;letter-spacing:.02em;line-height:1.1}
.brand small{display:block;font-size:11.5px;color:var(--accent);font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:2px}
.nav>a,.nav .dd>a{display:block;padding:10px 13px;border-radius:8px;color:var(--ink-2);font-weight:500;font-size:15px;text-decoration:none!important}
.nav>a:hover,.nav .dd:hover>a,.nav a.on{color:var(--accent);background:var(--accent-soft)}
.nav .dd{position:relative}
.nav .dd>a::after{content:"";display:inline-block;width:6px;height:6px;border:solid currentColor;border-width:0 1.6px 1.6px 0;transform:rotate(45deg);margin:0 0 3px 8px}
.dd-menu{position:absolute;top:100%;left:0;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:none}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{display:block}
.dd-menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink);font-size:14.5px;text-decoration:none!important}
.dd-menu a:hover{background:var(--paper);color:var(--accent)}
.dd-menu hr{border:0;border-top:1px solid var(--line);margin:6px 4px}
.nav .btn{margin-left:10px;padding:10px 18px}
.menu-btn{display:none;background:none;border:0;padding:8px;cursor:pointer}
.menu-btn span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;min-height:620px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(17,22,33,.92) 0%,rgba(17,22,33,.78) 45%,rgba(17,22,33,.25) 100%)}
.hero .wrap{position:relative;z-index:1;padding-top:80px;padding-bottom:80px}
.hero-inner{max-width:640px}
.hero .eyebrow{color:#f2b48f}
.hero h1 em{font-style:normal;color:#f2b48f}
.hero p.lead{color:#dfe3ea;font-size:19px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:36px}
.hero-pills span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:6px 14px;font-size:14px}
.page-hero{background:var(--ink);color:#fff;padding:56px 0 48px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(181,83,42,.45),transparent 70%)}
.page-hero p{color:#cfd5df;max-width:680px;margin:0}
.crumb{font-size:14px;color:#9aa3b2;margin-bottom:10px}
.crumb a{color:#cfd5df}

/* ---------- Trust ---------- */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-56px;position:relative;z-index:2}
.trust .item{background:#fff;border-radius:var(--r);padding:22px;box-shadow:var(--shadow);border:1px solid var(--line)}
.trust .ic{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:12px}
.trust h4{font-size:16.5px;margin-bottom:4px}
.trust p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.about-img{position:relative}
.about-img img{border-radius:20px;aspect-ratio:4/3.4;object-fit:cover;width:100%}
.about-img .badge{position:absolute;right:-18px;bottom:-22px;background:var(--accent);color:#fff;border-radius:16px;padding:18px 22px;max-width:250px;box-shadow:var(--shadow);font-weight:600;line-height:1.4}
.about-img .badge small{display:block;font-weight:400;opacity:.85;font-size:13px;margin-top:4px}
.quote{border-left:3px solid var(--accent);padding:4px 0 4px 18px;font-size:18px;font-style:italic;color:var(--ink-2);margin:22px 0}
.values{display:grid;grid-template-columns:1fr 1fr;gap:14px 22px;margin:22px 0 28px;padding:0;list-style:none}
.values li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px}
.values li::before{content:"";flex:none;width:20px;height:20px;margin-top:3px;border-radius:50%;background:var(--sage-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10.5l2.5 2.5L14 7.5' fill='none' stroke='%232f6b5c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100%}

/* ---------- Cards ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:18px}
.card p{color:var(--muted);font-size:15px}
.card .more{margin-top:auto;font-weight:600;font-size:14.5px}
.thumb{aspect-ratio:16/9;object-fit:cover;width:100%;background:#eee}
.tag{display:inline-block;font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-d)}
.tag.sage{background:var(--sage-soft);color:var(--sage)}
.meta{display:flex;gap:10px;align-items:center;font-size:13.5px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}

/* Brands */
.brand-card{position:relative;border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column}
.brand-card .poster{aspect-ratio:1/1;background:#f2eee7;overflow:hidden}
.brand-card .poster img{width:100%;height:100%;object-fit:cover;transition:.4s}
.brand-card:hover .poster img{transform:scale(1.04)}
.brand-card .body{padding:22px}
.brand-card .count{font-size:13.5px;color:var(--muted)}

/* Products */
.subnav{position:sticky;top:74px;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-top:10px;padding-bottom:10px}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav button,.chips button{flex:none;font-family:inherit;font-size:15px;font-weight:600;padding:10px 18px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;transition:.15s}
.subnav button:hover,.chips button:hover{border-color:var(--ink)}
.subnav button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips button{font-size:14px;padding:7px 14px;font-weight:500}
.chips button.on{background:var(--accent);border-color:var(--accent);color:#fff}
.filters{display:flex;flex-direction:column;gap:12px;margin:28px 0}
.filters .lbl{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-right:4px;align-self:center}
.brand-intro{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin-top:28px}
.brand-intro>img{border-radius:12px;aspect-ratio:1;object-fit:cover;width:100%}
.brand-intro .logo{height:54px;width:auto;object-fit:contain;margin-bottom:12px;border-radius:6px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:.2s;display:flex;flex-direction:column;text-align:left;font-family:inherit;padding:0;color:inherit}
.prod:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#d8cfc0}
.prod .pimg{aspect-ratio:1/1;background:linear-gradient(180deg,#fff, #f4f0ea);display:grid;place-items:center;padding:16px}
.prod .pimg img{max-height:100%;width:auto;object-fit:contain;mix-blend-mode:multiply}
.prod .body{padding:14px 16px 18px;border-top:1px solid var(--line)}
.prod .code{font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:.04em}
.prod h3{font-size:15.5px;font-weight:600;margin:4px 0 8px;line-height:1.4}
.prod .row{display:flex;gap:6px;flex-wrap:wrap}
.empty{padding:40px;text-align:center;color:var(--muted);background:#fff;border-radius:var(--r);border:1px dashed var(--line)}

/* Modal */
.modal{position:fixed;inset:0;z-index:100;background:rgba(17,22,33,.6);display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-box{background:#fff;border-radius:20px;max-width:900px;width:100%;max-height:92vh;overflow:auto;display:grid;grid-template-columns:1fr 1.1fr;position:relative}
.modal-box .mimg{background:linear-gradient(180deg,#fff,#f3eee6);padding:30px;display:grid;place-items:center}
.modal-box .mimg img{max-height:420px;object-fit:contain;mix-blend-mode:multiply}
.modal-box .mbody{padding:32px}
.modal-close{position:absolute;top:12px;right:12px;width:38px;height:38px;border-radius:50%;border:0;background:var(--paper);cursor:pointer;font-size:22px;line-height:1}
.spec{list-style:none;padding:0;margin:16px 0;border-top:1px solid var(--line)}
.spec li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.spec li span:first-child{color:var(--muted)}
.spec li span:last-child{text-align:right;font-weight:500}

/* News */
.news-list{display:flex;flex-direction:column;gap:18px}
.news{display:grid;grid-template-columns:110px 1fr;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px}
.news .date{text-align:center;border-right:1px solid var(--line);padding-right:18px}
.news .date b{display:block;font-size:34px;line-height:1;color:var(--accent)}
.news .date span{font-size:13px;color:var(--muted)}
.news h3{font-size:19px;margin-bottom:8px}
.news .tip{background:var(--sage-soft);border-radius:10px;padding:10px 14px;font-size:14.5px;color:#234f44;margin:12px 0}
.news .tip b{color:var(--sage)}
.news .src{font-size:13.5px;color:var(--muted)}
.updated{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--sage);font-weight:600}
.updated::before{content:"";width:8px;height:8px;border-radius:50%;background:#3bb273;box-shadow:0 0 0 4px rgba(59,178,115,.18)}
.mini-news{display:flex;flex-direction:column}
.mini-news a{display:grid;grid-template-columns:64px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none!important}
.mini-news a:hover h4{color:var(--accent)}
.mini-news .d{background:var(--accent-soft);border-radius:10px;text-align:center;padding:8px 0;font-size:12px;color:var(--accent-d);line-height:1.2}
.mini-news .d b{display:block;font-size:20px}
.mini-news h4{font-size:15.5px;font-weight:600;margin:2px 0 4px;transition:.15s}
.mini-news p{font-size:13.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Article */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.article{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.article .cover{aspect-ratio:21/9;object-fit:cover;width:100%}
.article .content{padding:32px 36px 40px}
.article .content h3{margin-top:1.4em}
.article .content ul,.article .content ol{padding-left:22px}
.article .content li{margin-bottom:6px}
.note{background:var(--accent-soft);border-left:4px solid var(--accent);padding:14px 18px;border-radius:0 10px 10px 0;margin:20px 0;color:#5a2a14}
.tbl{width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px}
.tbl th,.tbl td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.tbl th{background:var(--paper)}
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side .box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.side .box h4{font-size:16px}
.side .list a{display:block;padding:9px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:14.5px}
.side .list a.on{color:var(--accent);font-weight:600}
.cta-box{background:var(--ink)!important;color:#fff;border:0!important}
.cta-box p{color:#cfd5df;font-size:14.5px}

/* Process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 18px;position:relative}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-size:30px;font-weight:800;color:var(--accent-soft);-webkit-text-stroke:1px var(--accent);display:block;margin-bottom:8px}
.step h4{font-size:16px;margin-bottom:4px}
.step p{font-size:14px;color:var(--muted);margin:0}

/* Color boards */
.boards img{border-radius:12px;border:1px solid var(--line);background:#fff;cursor:zoom-in}

/* CTA band */
.band{background:linear-gradient(110deg,var(--accent) 0%,#c46a35 100%);color:#fff;border-radius:22px;padding:44px 48px;display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.band h2{margin:0 0 6px}
.band p{margin:0;opacity:.92}
.band .btn-primary{background:#fff;color:var(--accent-d)}

/* Contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:36px}
.info-list{list-style:none;padding:0;margin:20px 0}
.info-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.info-list .ic{width:40px;height:40px;flex:none;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.info-list b{display:block;font-size:13px;color:var(--muted);font-weight:500}
form.f{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.f label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.f input,.f select,.f textarea{width:100%;font-family:inherit;font-size:15.5px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);margin-bottom:16px}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.f .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f .msg{margin-top:14px;padding:12px 14px;border-radius:10px;display:none;font-size:15px}
.f .msg.ok{display:block;background:var(--sage-soft);color:#234f44}
.f .msg.err{display:block;background:#fdecea;color:#8a2a1c}

/* Footer */
.footer{background:var(--ink);color:#aeb6c4;padding:56px 0 24px;margin-top:0;font-size:15px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer a{color:#cfd5df;display:block;padding:4px 0}
.footer .brand b{color:#fff}
.footer .copy{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;font-size:13.5px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* Floating */
.float{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.2);text-decoration:none!important;font-weight:700;font-size:13px}
.float .call{background:var(--accent);animation:pulse 2.2s infinite}
.float .zl{background:#0068ff}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(181,83,42,.5)}70%{box-shadow:0 0 0 14px rgba(181,83,42,0)}100%{box-shadow:0 0 0 0 rgba(181,83,42,0)}}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:110;display:none;align-items:center;justify-content:center;padding:20px;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-height:92vh;max-width:96vw;border-radius:8px}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .g4{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .trust{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
  .article-layout{grid-template-columns:1fr}
  .side{position:static}
}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{position:fixed;top:74px;left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 40px;gap:0;overflow:auto;display:none}
  .nav.open{display:flex}
  .nav>a,.nav .dd>a{padding:14px 10px;border-bottom:1px solid var(--line);border-radius:0}
  .dd-menu{position:static;display:block;box-shadow:none;border:0;padding:0 0 8px 14px}
  .nav .btn{margin:16px 0 0;justify-content:center}
  .about,.contact{grid-template-columns:1fr;gap:40px}
  .about-img .badge{right:12px}
  .g3{grid-template-columns:repeat(2,1fr)}
  .brand-intro{grid-template-columns:1fr}
  .brand-intro>img{max-width:260px}
  .modal-box{grid-template-columns:1fr}
  .modal-box .mimg img{max-height:280px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wrap{padding:0 16px}
  .section{padding:52px 0}
  .topbar .hide-sm{display:none}
  .hero{min-height:560px}
  .hero-bg::after{background:linear-gradient(180deg,rgba(17,22,33,.75),rgba(17,22,33,.9))}
  .trust{grid-template-columns:1fr;margin-top:-40px}
  .g2,.g3{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr);gap:12px}
  .steps{grid-template-columns:1fr 1fr}
  .values{grid-template-columns:1fr}
  .news{grid-template-columns:1fr;gap:10px}
  .news .date{text-align:left;border:0;padding:0;display:flex;gap:8px;align-items:baseline}
  .news .date b{font-size:22px}
  .band{padding:32px 24px}
  .footer .cols{grid-template-columns:1fr}
  .f .two{grid-template-columns:1fr;gap:0}
  .article .content{padding:24px 20px}
  .prod .body{padding:12px}
  .prod h3{font-size:14.5px}
}
@media (max-width:900px){#news-kt-wrap{grid-template-columns:1fr!important}}
.nav>a.btn,.nav>a.btn:hover{color:#fff;background:var(--accent);padding:10px 18px;border-radius:999px}.nav>a.btn:hover{background:var(--accent-d)}.brand-intro .logo{width:auto;max-width:220px}
.page-hero .wrap{position:relative;z-index:1}
@media (max-width:640px){.chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}.chips::-webkit-scrollbar{display:none}.filters .lbl{flex:none}}
#home-brands .brand-card{flex-direction:row;align-items:center}
#home-brands .brand-card .poster{width:46%;flex:none}
#home-brands .brand-card .body{padding:26px}
@media (max-width:900px){#home-brands{grid-template-columns:1fr}}
@media (max-width:560px){#home-brands .brand-card{flex-direction:column}#home-brands .brand-card .poster{width:100%}}