:root{
  --brown:#4a2e1f; --brown-2:#6b4430; --gold:#c49a6c; --gold-2:#e3c49b;
  --cream:#f7f1e8; --cream-2:#efe4d4; --ink:#2b1d14; --muted:#7a6656; --white:#fff;
  --radius:14px; --shadow:0 10px 30px rgba(74,46,31,.15);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:"Be Vietnam Pro",system-ui,sans-serif;color:var(--ink);background:var(--cream);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
h1,h2,h3{font-family:"Playfair Display",serif;line-height:1.2;color:var(--brown)}
h2{font-size:clamp(26px,4vw,40px);text-align:center;margin-bottom:10px}
.kicker{display:block;text-align:center;color:var(--gold);letter-spacing:.2em;text-transform:uppercase;font-size:13px;font-weight:600;margin-bottom:6px}
.lead{max-width:780px;margin:0 auto 36px;text-align:center;color:var(--muted)}
section{padding:72px 0}
.alt{background:var(--white)}
.dark{background:var(--brown);color:var(--cream)}
.dark h2,.dark h3{color:var(--gold-2)}
.dark .lead{color:#d9c8b6}

/* nav */
header{position:sticky;top:0;z-index:50;background:rgba(74,46,31,.97);backdrop-filter:blur(6px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.nav img{height:40px;width:auto;filter:brightness(0) invert(1)}
.nav > nav > ul{display:flex;list-style:none;gap:20px}
.nav ul a{color:var(--cream);text-decoration:none;font-size:14px;font-weight:500;letter-spacing:.04em}
.nav ul a:hover{color:var(--gold-2)}
.nav .hot{background:var(--gold);color:var(--brown);padding:9px 16px;border-radius:30px;font-weight:700;text-decoration:none;white-space:nowrap;font-size:14px}


/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font:inherit;font-weight:700;border-radius:40px;padding:14px 28px;text-decoration:none;transition:.2s;letter-spacing:.02em}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:var(--brown);box-shadow:0 6px 18px rgba(196,154,108,.45)}
.btn-gold:hover{transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--gold-2);color:var(--cream);background:transparent}
.btn-brown{background:var(--brown);color:var(--cream)}

/* hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;background:#2b1d14 url(/img/hero.webp) center/cover no-repeat;padding:60px 0}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,18,10,.85) 0%,rgba(30,18,10,.55) 55%,rgba(30,18,10,.2) 100%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{color:#fff;font-size:clamp(34px,5.5vw,62px);margin:10px 0 14px}
.hero h1 span{color:var(--gold-2)}
.hero p.sub{font-size:18px;color:#f0e4d6;max-width:560px}
.hero .tag{display:inline-block;border:1px solid var(--gold-2);color:var(--gold-2);border-radius:30px;padding:5px 14px;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.stats{display:flex;flex-wrap:wrap;gap:26px;margin:28px 0}
.stats b{display:block;font-family:"Playfair Display",serif;font-size:32px;color:var(--gold-2);line-height:1}
.stats small{color:#e6d8c8;font-size:13px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero{min-height:auto}}

/* form card */
.card-form{background:rgba(255,255,255,.97);color:var(--ink);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card-form h3{font-size:22px;text-align:center;margin-bottom:4px}
.card-form p.note{font-size:13px;color:var(--muted);text-align:center;margin-bottom:16px}
.lead-form{display:grid;gap:12px}
.lead-form input,.lead-form select{width:100%;padding:13px 14px;border:1px solid #dccbb6;border-radius:10px;font:inherit;background:#fffdfa;color:var(--ink)}
.lead-form input:focus,.lead-form select:focus{outline:2px solid var(--gold);border-color:transparent}
.lead-form .btn{width:100%}
.lead-form .err{color:#b3261e;font-size:13px;min-height:0}
.lead-form.done > *:not(.ok){display:none}
.ok{display:none;text-align:center;padding:10px 0}
.lead-form.done .ok{display:block}
.ok b{display:block;font-size:20px;color:var(--brown);font-family:"Playfair Display",serif;margin-bottom:6px}
.privacy{font-size:12px;color:var(--muted);text-align:center}

/* overview */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}
.facts{list-style:none;border-top:1px solid var(--cream-2)}
.facts li{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--cream-2)}
.facts li span:first-child{color:var(--muted);font-size:14px}
.facts li span:last-child{font-weight:600}
.rounded{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}

/* location */
.dist{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-top:22px}
.dist div{background:rgba(255,255,255,.06);border:1px solid rgba(227,196,155,.35);border-radius:12px;padding:16px;text-align:center}
.dist b{display:block;font-family:"Playfair Display",serif;font-size:26px;color:var(--gold-2)}
.dist small{color:#e6d8c8}
.loc-text p{margin-bottom:14px;color:#eadccb}

/* products */
.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:28px}
.tabs button{border:1.5px solid var(--gold);background:transparent;color:var(--brown);padding:10px 18px;border-radius:30px;font:inherit;font-weight:600;cursor:pointer;font-size:14px}
.tabs button.active{background:var(--brown);border-color:var(--brown);color:var(--cream)}
.prod{display:none;grid-template-columns:1.25fr .75fr;gap:32px;align-items:start}
.prod.active{display:grid}
@media(max-width:900px){.prod.active{grid-template-columns:1fr}}
.prod h3{font-size:28px;margin-bottom:4px}
.prod .slogan{color:var(--gold);font-style:italic;margin-bottom:16px}
.spec{width:100%;border-collapse:collapse;margin:14px 0 18px}
.spec td{padding:10px 0;border-bottom:1px solid var(--cream-2);font-size:15px}
.spec td:first-child{color:var(--muted);width:45%}
.spec td:last-child{font-weight:700}
.prod p{margin-bottom:12px}
.prod .imgs{display:grid;gap:14px}
.mix{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:40px}
.mix div{background:var(--cream);border-radius:12px;padding:16px;text-align:center}
.mix b{font-family:"Playfair Display",serif;font-size:30px;color:var(--brown);display:block}
.mix small{color:var(--muted)}
@media(max-width:700px){.mix{grid-template-columns:repeat(2,1fr)}}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{position:relative;overflow:hidden;border-radius:12px;cursor:zoom-in;aspect-ratio:4/3;background:#ddd}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 14px 10px;background:linear-gradient(transparent,rgba(30,18,10,.85));color:#fff;font-weight:600;font-size:15px}
@media(max-width:800px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.gallery{grid-template-columns:1fr}}
.amen{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-bottom:32px}
.amen div{background:var(--white);border-left:3px solid var(--gold);padding:16px 18px;border-radius:10px;box-shadow:0 4px 14px rgba(74,46,31,.06)}
.amen b{color:var(--brown);display:block;margin-bottom:4px}
.amen p{font-size:14px;color:var(--muted)}

/* docs */
.docs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.doc{display:flex;align-items:center;gap:12px;background:var(--white);border:1px solid var(--cream-2);border-radius:12px;padding:16px;cursor:pointer;text-align:left;font:inherit;color:var(--ink);transition:.2s}
.doc:hover{border-color:var(--gold);box-shadow:var(--shadow)}
.doc .ic{flex:none;width:42px;height:42px;border-radius:10px;background:#b3261e;color:#fff;display:grid;place-items:center;font-weight:700;font-size:12px}
.doc b{display:block;font-size:14px}
.doc small{color:var(--muted);font-size:12px}

/* advisor */
.advisor{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;background:var(--white);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.avatar{width:170px;height:170px;border-radius:50%;object-fit:cover;background:#fff;border:4px solid var(--gold-2);box-shadow:var(--shadow)}
.advisor h3{font-size:26px}
.advisor ul{list-style:none;margin:12px 0 18px;display:grid;gap:6px}
.advisor li::before{content:"✓ ";color:var(--gold);font-weight:700}
@media(max-width:640px){.advisor{grid-template-columns:1fr;text-align:center}.avatar{margin:0 auto}.advisor ul{text-align:left}}

footer{background:#2b1d14;color:#cdbba7;padding:40px 0 100px;font-size:14px}
footer .cols{display:grid;grid-template-columns:1.2fr 1fr;gap:30px}
footer b{color:var(--gold-2)}
footer .disc{margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:#a8957f}
@media(max-width:700px){footer .cols{grid-template-columns:1fr}}

/* floating */
.float{position:fixed;right:16px;bottom:90px;z-index:60;display:flex;flex-direction:column;gap:12px}
.float a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.25);color:#fff;font-weight:700;text-decoration:none;font-size:13px}
.float .call{background:#e53935;animation:pulse 1.8s infinite}
.float .zalo{background:#0068ff}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(229,57,53,.55)}70%{box-shadow:0 0 0 16px rgba(229,57,53,0)}100%{box-shadow:0 0 0 0 rgba(229,57,53,0)}}
.bar{position:fixed;left:0;right:0;bottom:0;z-index:55;background:var(--brown);display:none;grid-template-columns:1fr 1fr 1.3fr;gap:1px}
.bar a,.bar button{padding:14px 6px;text-align:center;color:var(--cream);text-decoration:none;font:inherit;font-weight:700;font-size:14px;border:0;background:var(--brown-2);cursor:pointer}
.bar button{background:var(--gold);color:var(--brown)}
@media(max-width:800px){.bar{display:grid}.float{display:none}footer{padding-bottom:90px}}

/* modal */
.modal{position:fixed;inset:0;z-index:100;background:rgba(20,12,6,.7);display:none;align-items:center;justify-content:center;padding:16px}
.modal.open{display:flex}
.modal .card-form{max-width:420px;width:100%;position:relative;max-height:92vh;overflow:auto}
.modal .x{position:absolute;right:10px;top:6px;border:0;background:none;font-size:28px;cursor:pointer;color:var(--muted)}
.lightbox{position:fixed;inset:0;z-index:110;background:rgba(0,0,0,.92);display:none;align-items:center;justify-content:center;padding:16px;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-height:92vh;border-radius:8px}

/* ===== Menu nhiều trang ===== */
.nav ul a{white-space:nowrap}
.has-sub{position:relative}
.has-sub .sub{display:none;position:absolute;top:100%;left:-14px;background:var(--brown);list-style:none;padding:10px 0;border-radius:0 0 10px 10px;min-width:240px;box-shadow:var(--shadow)}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{display:block;padding:8px 18px;text-transform:none;letter-spacing:0}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:8px}
.burger span{display:block;height:2px;background:var(--cream);border-radius:2px}
@media(max-width:1000px){
  .burger{display:flex}
  .nav{position:relative}
  #menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--brown);padding:10px 16px 20px;max-height:calc(100vh - 64px);overflow:auto}
  #menu.open{display:block}
  .nav > nav > ul{flex-direction:column;gap:0}
  .nav > nav > ul > li > a{display:block;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .has-sub .sub{display:block;position:static;box-shadow:none;padding:0 0 6px 12px;min-width:0}
  .nav .hot{margin-left:auto}
}
@media(max-width:420px){.nav .hot{font-size:12px;padding:8px 12px}}

/* ===== Trang nội dung ===== */
.crumbs{font-size:13px;color:var(--muted);padding-top:18px}
.crumbs a{color:var(--brown-2)}
.page-hero{padding:28px 0 8px}
.page-hero h1{font-size:clamp(28px,4.5vw,44px);margin-bottom:12px}
.page-hero .sum{font-size:18px;color:var(--muted);max-width:820px}
.page-hero .updated{font-size:13px;color:var(--muted);margin-top:10px}
.article{padding:24px 0 56px}
.article .wrap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}
.article .side{position:sticky;top:84px}
@media(max-width:960px){.article .wrap{grid-template-columns:1fr}.article .side{position:static}}
.prose h2{text-align:left;font-size:clamp(22px,3vw,30px);margin:34px 0 12px}
.prose h3{font-size:20px;margin:24px 0 8px}
.prose p,.prose ul,.prose ol{margin-bottom:14px}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin-bottom:6px}
.prose img{border-radius:12px;margin:18px 0;box-shadow:var(--shadow)}
.prose figure figcaption{font-size:13px;color:var(--muted);margin-top:-8px;margin-bottom:16px}
.prose table{width:100%;border-collapse:collapse;margin:14px 0 20px;font-size:15px;background:var(--white);border-radius:10px;overflow:hidden}
.prose th,.prose td{padding:10px 12px;border-bottom:1px solid var(--cream-2);text-align:left;vertical-align:top}
.prose th{background:var(--brown);color:var(--cream);font-weight:600}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.note-box{background:var(--white);border-left:4px solid var(--gold);padding:14px 18px;border-radius:10px;margin:18px 0;font-size:15px}
.warn-box{background:#fff7ec;border-left:4px solid #d9822b;padding:14px 18px;border-radius:10px;margin:18px 0;font-size:15px}
.toc{background:var(--white);border-radius:12px;padding:16px 20px;margin:10px 0 20px}
.toc b{display:block;margin-bottom:6px;color:var(--brown)}
.toc ol{margin:0;padding-left:20px}
.cta-box{background:var(--brown);color:var(--cream);border-radius:var(--radius);padding:22px;margin:28px 0}
.cta-box p{font-weight:600;font-size:18px;margin-bottom:12px}
.inline-form{box-shadow:var(--shadow)}
.faq details{background:var(--white);border-radius:12px;margin-bottom:10px;padding:0 18px;border:1px solid var(--cream-2)}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;position:relative;padding-right:28px;color:var(--brown)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:22px;color:var(--gold)}
.faq details[open] summary::after{content:"–"}
.faq details > *:not(summary){padding-bottom:14px}
.related{background:var(--white);padding:40px 0}
.related h2{font-size:24px;margin-bottom:18px}
.related-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.related-links a{border:1.5px solid var(--gold);border-radius:30px;padding:9px 16px;text-decoration:none;color:var(--brown);font-weight:600;font-size:14px}
.related-links a:hover{background:var(--brown);color:var(--cream);border-color:var(--brown)}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:10px}
.foot-links a{color:#cdbba7;text-decoration:none;font-size:13px}
.foot-links a:hover{color:var(--gold-2)}
.more{display:inline-block;margin-top:10px;font-weight:600;color:var(--brown-2)}
.gallery.plans{grid-template-columns:repeat(5,1fr);gap:8px}
.gallery.plans figure{aspect-ratio:1/2;background:#fff}
.gallery.plans img{object-fit:contain}
@media(max-width:700px){.gallery.plans{grid-template-columns:repeat(3,1fr)}}

/* ===== Tin tức ===== */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.news-grid.three{grid-template-columns:repeat(3,1fr)}
.news-grid.small{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.news-grid.three{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.news-grid,.news-grid.three,.news-grid.small{grid-template-columns:1fr}}
.news-card{display:flex;flex-direction:column;background:var(--white);border-radius:12px;overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:0 4px 14px rgba(74,46,31,.08);transition:.2s;border:1px solid var(--cream-2)}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.news-card img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top;margin:0;border-radius:0;box-shadow:none}
.news-card > div{padding:14px 16px 16px}
.news-card h3{font-size:17px;margin:6px 0 8px;line-height:1.35}
.news-card time{font-size:13px;color:var(--muted)}
.news-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--brown-2);background:var(--cream-2);padding:3px 9px;border-radius:20px}
.page-hero .news-tag{margin-bottom:10px}
.news-body p{font-size:17px}
.zalo-group{display:flex;flex-direction:column;gap:4px;margin-top:14px;background:#0068ff;color:#fff;border-radius:12px;padding:14px 18px;text-decoration:none}
.zalo-group span{font-size:14px;opacity:.9}
.news-photo{margin:0 0 18px}
.news-photo img{width:100%;margin:0;border-radius:12px}
.news-photo figcaption{font-size:13px;color:var(--muted);margin-top:6px}
.news-card img{object-position:center}