/* ETUGI DIGITAL ECOSYSTEM – Luxury Natural
   Layout: lưới 12 cột tối đa 1240px, khoảng trắng rộng, ảnh lớn khung vòm; vàng champagne chỉ dùng cho đường viền mảnh và chi tiết nhỏ. */
:root{
  --emerald:#174D38; --emerald-2:#1F6248; --emerald-deep:#103828;
  --ivory:#F4F3EC; --ivory-2:#ECEAE0; --paper:#FBFAF6;
  --gold:#C7A66A; --gold-soft:#E4D3AE;
  --charcoal:#26332E; --muted:#5D6A63; --line:#DCD7C7;
  --danger:#A23B2A; --ok:#2F6B4A;
  --f-display:"Quicksand", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-body:"Quicksand", "Segoe UI", system-ui, -apple-system, sans-serif;
  --r:14px; --max:1240px;
  --shadow:0 24px 60px -34px rgba(16,56,40,.45);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--charcoal);font:500 16px/1.7 var(--f-body)}
img{max-width:100%;display:block}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:700;line-height:1.22;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,6.2vw,5rem)}
h2{font-size:clamp(2rem,4.2vw,3.2rem)}
h3{font-size:clamp(1.35rem,2.2vw,1.7rem)}
p{margin:0}
.eyebrow{font:600 .74rem/1.2 var(--f-body);letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.eyebrow.dark{color:var(--emerald)}
.lead{font-size:1.08rem;color:var(--muted);max-width:60ch}
.num{font-variant-numeric:tabular-nums}
.rule{width:56px;height:1px;background:var(--gold)}
section{padding-block:clamp(72px,9vw,128px)}
.sec-head{display:flex;flex-direction:column;gap:16px;max-width:720px;margin-bottom:clamp(36px,5vw,56px)}
.sec-head.center{margin-inline:auto;text-align:center;align-items:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 26px;border-radius:999px;border:1px solid var(--emerald);background:var(--emerald);color:var(--ivory);font:500 .95rem/1 var(--f-body);letter-spacing:.02em;text-decoration:none;cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .25s}
.btn:hover{background:var(--emerald-deep);transform:translateY(-1px)}
.btn.gold{background:var(--gold);border-color:var(--gold);color:var(--emerald-deep)}
.btn.gold:hover{background:#B8955A}
.btn.ghost{background:transparent;color:var(--emerald)}
.btn.ghost:hover{background:var(--emerald);color:var(--ivory)}
.btn.ghost-light{background:transparent;color:var(--ivory);border-color:rgba(244,243,236,.5)}
.btn.ghost-light:hover{background:var(--ivory);color:var(--emerald)}
.btn.sm{padding:11px 18px;font-size:.86rem}
.btn.block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.link{color:var(--emerald);font-weight:500;text-decoration:none;border-bottom:1px solid var(--gold);padding-bottom:2px}

/* header */
.site-head{position:sticky;top:0;z-index:40;background:rgba(244,243,236,.92);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid rgba(199,166,106,.35)}
.site-head .wrap{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;flex-direction:column;text-decoration:none;line-height:1}
.logo b{font:600 1.75rem/1 var(--f-display);letter-spacing:.28em;color:var(--emerald)}
.logo span{font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-top:5px}
.nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav a{text-decoration:none;font-size:.92rem;color:var(--charcoal);position:relative;padding-block:6px}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);transition:right .3s}
.nav a:hover::after,.nav a[aria-current="page"]::after{right:0}
.nav .soon{font-size:.92rem;color:#9AA39D;cursor:default}
.nav .soon small{font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);margin-left:4px}
.head-actions{display:flex;align-items:center;gap:12px}
.icon-btn{position:relative;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:transparent;display:grid;place-items:center;cursor:pointer}
.icon-btn svg{width:20px;height:20px;stroke:var(--emerald);fill:none;stroke-width:1.6}
.badge{position:absolute;top:-3px;right:-3px;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--gold);color:var(--emerald-deep);font-size:.7rem;font-weight:700;display:grid;place-items:center}
.menu-btn{display:none}

/* hero */
.hero{background:var(--emerald);color:var(--ivory);padding-block:clamp(56px,8vw,110px);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:auto -10% -40% auto;width:60vw;height:60vw;border-radius:50%;background:radial-gradient(circle,rgba(199,166,106,.18),transparent 65%)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(32px,5vw,80px);align-items:center;position:relative}
.hero h1{color:var(--ivory)}
.hero h1 em{font-style:normal;color:var(--gold-soft)}
.hero .lead{color:rgba(244,243,236,.78)}
.hero-copy{display:flex;flex-direction:column;gap:26px;min-width:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid rgba(199,166,106,.45);padding-top:22px;gap:12px}
.hero-facts b{display:block;font:600 1.35rem/1.1 var(--f-display);color:var(--gold-soft)}
.hero-facts span{font-size:.78rem;color:rgba(244,243,236,.7)}
.arch{position:relative;justify-self:center;width:min(100%,460px)}
.arch img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:240px 240px 18px 18px;box-shadow:0 40px 80px -40px rgba(0,0,0,.6)}
.arch::after{content:"";position:absolute;inset:-14px;border:1px solid rgba(199,166,106,.55);border-radius:254px 254px 26px 26px;pointer-events:none}
.arch figcaption{position:absolute;left:-20px;bottom:36px;background:var(--ivory);color:var(--emerald);padding:14px 18px;border-radius:12px;box-shadow:var(--shadow);font-size:.82rem;max-width:220px}
.arch figcaption b{display:block;font:600 1.1rem/1.2 var(--f-display)}

/* brand intro */
.intro{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,96px);align-items:start}
.intro .big{font:500 clamp(1.5rem,2.6vw,2.1rem)/1.35 var(--f-display);color:var(--emerald)}
.values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:36px;border-top:1px solid var(--line)}
.values div{padding:22px 18px 0 0}
.values b{font:600 1.6rem/1 var(--f-display);color:var(--emerald)}
.values p{font-size:.9rem;color:var(--muted);margin-top:8px}

/* differentiators */
.diff{background:var(--paper)}
.diff-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.diff-grid article{background:var(--paper);padding:34px 28px;display:flex;flex-direction:column;gap:14px}
.diff-grid .ic{width:46px;height:46px;border-radius:50%;border:1px solid var(--gold);display:grid;place-items:center;color:var(--emerald);font:600 1rem var(--f-display)}
.diff-grid p{color:var(--muted);font-size:.93rem}

/* product cards */
.p-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.p-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .35s,box-shadow .35s}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.p-media{position:relative;aspect-ratio:4/5;background:var(--ivory-2);display:block;overflow:hidden}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.p-card:hover .p-media img{transform:scale(1.04)}
.p-media .ph{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:20px;color:var(--muted);font-size:.85rem;background:repeating-linear-gradient(135deg,var(--ivory-2) 0 14px,#E6E3D7 14px 28px)}
.p-media .ph b{display:block;font:600 1.5rem/1.1 var(--f-display);color:var(--emerald);margin-bottom:6px}
.p-tag{position:absolute;top:14px;left:14px;background:rgba(251,250,246,.92);color:var(--emerald);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;padding:6px 10px;border-radius:999px}
.p-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.p-body h3{font-size:1.3rem}
.p-body h3 a{text-decoration:none}
.p-body .pack{font-size:.84rem;color:var(--muted)}
.price{display:flex;flex-direction:column;gap:2px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.price b{font:600 1.45rem/1.1 var(--f-display);color:var(--emerald)}
.price small{font-size:.72rem;color:var(--muted)}
.price .contact{font:500 1rem var(--f-body);color:var(--emerald)}
.p-actions{display:flex;gap:8px;flex-wrap:wrap}
.p-actions .btn{flex:1;min-width:120px}

/* quality */
.quality{background:var(--emerald-deep);color:var(--ivory)}
.quality h2{color:var(--ivory)}
.quality .lead{color:rgba(244,243,236,.75)}
.q-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:center}
.q-grid video{width:100%;height:auto;aspect-ratio:16/9;border-radius:var(--r);background:#000;border:1px solid rgba(199,166,106,.4)}
.q-grid .cap{font-size:.78rem;color:rgba(244,243,236,.55);margin-top:10px}
.steps{list-style:none;margin:28px 0 0;padding:0;counter-reset:st;display:flex;flex-direction:column}
.steps li{counter-increment:st;display:grid;grid-template-columns:48px 1fr;gap:16px;padding:16px 0;border-top:1px solid rgba(199,166,106,.3)}
.steps li::before{content:counter(st,decimal-leading-zero);font:600 1.5rem/1 var(--f-display);color:var(--gold)}
.steps b{display:block;font-weight:500}
.steps span{font-size:.9rem;color:rgba(244,243,236,.7)}
.note-light{font-size:.78rem;color:rgba(244,243,236,.55);margin-top:12px}

/* lifestyle */
.life{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:center}
.life img{border-radius:var(--r);box-shadow:var(--shadow);width:100%;height:auto}
.moments{display:flex;flex-direction:column;margin-top:28px;border-top:1px solid var(--line)}
.moments div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.moments b{font:600 1.15rem/1.3 var(--f-display);color:var(--emerald)}
.moments p{color:var(--muted);font-size:.93rem}

/* b2b + partner */
.b2b{background:var(--paper)}
.seg-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.seg-list span{padding:9px 16px;border:1px solid var(--line);border-radius:999px;font-size:.88rem;background:var(--ivory)}
.sol-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.sol{border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;display:flex;flex-direction:column;gap:12px;background:var(--ivory)}
.sol p{color:var(--muted);font-size:.93rem}
.sol .k{font:600 1.05rem var(--f-display);color:var(--gold)}
.row-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;align-items:center}
.partner{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,96px);align-items:start}
.tiers{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.tiers div{display:grid;grid-template-columns:200px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.tiers b{font:600 1.35rem/1.2 var(--f-display);color:var(--emerald)}
.tiers p{color:var(--muted);font-size:.93rem}

/* knowledge */
.k-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.k-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:12px}
.k-card .cat{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.k-card p{color:var(--muted);font-size:.93rem}
.k-card details summary{cursor:pointer;color:var(--emerald);font-weight:500;font-size:.9rem;list-style:none}
.k-card details summary::-webkit-details-marker{display:none}
.k-card details[open] summary{margin-bottom:8px}

/* reviews */
.rv-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.rv{border-top:1px solid var(--gold);padding-top:22px;display:flex;flex-direction:column;gap:14px}
.rv q{font:500 1.18rem/1.45 var(--f-display);color:var(--emerald);quotes:"“" "”"}
.rv .who{margin-top:auto;font-size:.86rem}
.rv .who b{display:block;font-weight:600}
.rv .who span{color:var(--muted)}
.rv-note{font-size:.8rem;color:var(--muted);margin-top:28px}

/* final cta */
.final{background:var(--emerald);color:var(--ivory);text-align:center}
.final h2{color:var(--ivory);max-width:18ch;margin-inline:auto}
.final .lead{color:rgba(244,243,236,.78);margin:18px auto 30px}
.final .hero-cta{justify-content:center}

/* footer */
.foot{background:var(--charcoal);color:rgba(244,243,236,.78);padding-block:64px 36px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px}
.foot h4{font:600 1.2rem var(--f-display);color:var(--ivory);margin-bottom:14px}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--gold-soft)}
.foot .logo b{color:var(--ivory)}
.foot-bottom{border-top:1px solid rgba(199,166,106,.3);margin-top:44px;padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.78rem;color:rgba(244,243,236,.55)}

/* catalog page */
.page-head{background:var(--emerald);color:var(--ivory);padding-block:64px 56px}
.page-head h1{font-size:clamp(2.2rem,5vw,3.6rem);color:var(--ivory)}
.page-head .lead{color:rgba(244,243,236,.78);margin-top:14px}
.crumbs{font-size:.8rem;color:rgba(244,243,236,.65);margin-bottom:18px}
.crumbs a{text-decoration:none}
.catalog{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:start;padding-block:56px 110px}
.filters{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}
.f-group{display:flex;flex-direction:column;gap:10px}
.f-group h4{font:600 .74rem/1 var(--f-body);letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.f-group label{display:flex;align-items:center;gap:10px;font-size:.92rem;cursor:pointer}
.f-group input[type=radio],.f-group input[type=checkbox]{accent-color:var(--emerald);width:16px;height:16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:.84rem;font-weight:500}
.field input,.field select,.field textarea{border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:12px 14px;font-size:.95rem;width:100%}
.field textarea{min-height:90px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--emerald)}
.toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:24px}
.toolbar .count{color:var(--muted);font-size:.9rem}
.toolbar select{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:10px 16px}
.catalog .p-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.empty{padding:48px;text-align:center;border:1px dashed var(--line);border-radius:var(--r);color:var(--muted)}
.price-note{font-size:.78rem;color:var(--muted);margin-top:28px}

/* detail page */
.detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,80px);padding-block:56px 80px;align-items:start}
.d-media{position:sticky;top:96px}
.d-media .p-media{border-radius:var(--r);border:1px solid var(--line)}
.d-info{display:flex;flex-direction:column;gap:20px;min-width:0}
.d-info h1{font-size:clamp(2rem,4vw,3rem);color:var(--emerald)}
.d-info .price b{font-size:2rem}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--paper)}
.qty button{width:44px;height:44px;border:0;background:transparent;cursor:pointer;font-size:1.1rem;color:var(--emerald)}
.qty input{width:52px;text-align:center;border:0;background:transparent;font-weight:600}
.buy-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.spec-table{width:100%;border-collapse:collapse;font-size:.92rem}
.spec-table th,.spec-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{font-weight:500;color:var(--muted);width:42%}
.spec-table td small{display:block;color:#8D978F;font-size:.72rem;margin-top:3px}
.doc-box{border:1px dashed var(--gold);border-radius:12px;padding:16px 18px;font-size:.9rem;color:var(--muted);background:var(--paper)}
.doc-box b{color:var(--emerald)}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line)}
.tabs button{border:0;background:transparent;padding:12px 16px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button[aria-selected="true"]{color:var(--emerald);border-color:var(--gold);font-weight:500}

/* drawer + modal */
.scrim{position:fixed;inset:0;background:rgba(16,30,24,.45);z-index:60;opacity:0;pointer-events:none;transition:opacity .3s}
.scrim.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(440px,100%);background:var(--ivory);z-index:70;transform:translateX(100%);transition:transform .35s ease;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom,0px)}
.drawer.on{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line)}
.drawer-head h3{font-size:1.6rem}
.drawer-body{flex:1;overflow:auto;padding:12px 24px}
.drawer-foot{border-top:1px solid var(--line);padding:18px 24px;display:flex;flex-direction:column;gap:12px;background:var(--paper)}
.c-item{display:grid;grid-template-columns:64px 1fr auto;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center}
.c-item .thumb{width:64px;height:76px;border-radius:8px;object-fit:cover;background:var(--ivory-2)}
.c-item .nm{font-size:.9rem;font-weight:500;line-height:1.35}
.c-item .pr{font-size:.82rem;color:var(--muted)}
.c-item .rm{border:0;background:transparent;color:var(--danger);font-size:.78rem;cursor:pointer;padding:4px 0}
.c-item .qty button{width:32px;height:32px}
.c-item .qty input{width:34px}
.sum-row{display:flex;justify-content:space-between;font-size:.95rem}
.sum-row b{font:600 1.35rem var(--f-display);color:var(--emerald)}
.coupon{display:flex;gap:8px}
.coupon input{flex:1;border:1px solid var(--line);border-radius:999px;padding:10px 14px;background:var(--ivory)}
.msg{font-size:.82rem}
.msg.err{color:var(--danger)}
.msg.ok{color:var(--ok)}
.modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px;pointer-events:none;opacity:0;transition:opacity .3s}
.modal.on{opacity:1;pointer-events:auto}
.modal-card{background:var(--ivory);border-radius:18px;width:min(620px,100%);max-height:calc(100vh - 40px);overflow:auto;box-shadow:0 40px 80px -30px rgba(0,0,0,.5);transform:translateY(16px);transition:transform .3s}
.modal.on .modal-card{transform:none}
.modal-head{display:flex;justify-content:space-between;align-items:start;gap:16px;padding:26px 28px 0}
.modal-head h3{font-size:1.9rem;color:var(--emerald)}
.modal-body{padding:20px 28px 28px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.modal-body .full{grid-column:1/-1}
.consent{display:flex;gap:10px;font-size:.82rem;color:var(--muted);align-items:flex-start}
.consent input{margin-top:3px;accent-color:var(--emerald)}
.result{grid-column:1/-1;border:1px solid var(--gold);border-radius:12px;padding:16px;background:var(--paper);display:flex;flex-direction:column;gap:12px}
.result pre{margin:0;white-space:pre-wrap;font:inherit;font-size:.88rem}
.result .code{font:600 1.3rem var(--f-display);color:var(--emerald)}
.close-x{border:0;background:transparent;font-size:1.6rem;line-height:1;cursor:pointer;color:var(--muted);padding:4px}
.status-pill{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.status-pill::before{content:"";width:7px;height:7px;border-radius:50%;background:#C9A23B}
.status-pill.ok::before{background:var(--ok)}
.zalo-fab{position:fixed;right:max(18px,env(safe-area-inset-right,0px));bottom:max(18px,env(safe-area-inset-bottom,0px));z-index:50;background:#0068FF;color:#fff;text-decoration:none;border-radius:999px;padding:13px 18px;font-weight:600;font-size:.88rem;box-shadow:0 14px 30px -12px rgba(0,60,160,.6);display:flex;align-items:center;gap:8px}
.zalo-fab b{background:#fff;color:#0068FF;border-radius:6px;padding:1px 6px;font-size:.75rem}

/* reveal */
.reveal{transition:opacity .8s ease,transform .8s ease}
.js .reveal.pre{opacity:.55;transform:translateY(18px)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}.js .reveal.pre{opacity:1;transform:none}}

/* responsive */
@media (max-width:1080px){
  .p-grid,.rv-grid,.diff-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .catalog .p-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav{position:fixed;inset:76px 0 auto 0;background:var(--ivory);flex-direction:column;align-items:flex-start;gap:0;padding:12px 20px 24px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:transform .35s;z-index:39;margin:0}
  .nav.open{transform:none}
  .nav a,.nav .soon{padding:14px 0;width:100%;border-bottom:1px solid var(--line)}
  .menu-btn{display:grid}
  .head-actions{margin-left:auto}
  .hero .wrap,.intro,.q-grid,.life,.partner,.detail{grid-template-columns:1fr}
  .arch{width:min(100%,380px)}
  .arch figcaption{left:0}
  .sol-grid,.k-grid{grid-template-columns:1fr}
  .catalog{grid-template-columns:1fr;gap:24px}
  .filters{position:static;flex-direction:row;flex-wrap:wrap;gap:18px}
  .filters .f-group{flex:1 1 200px}
  .d-media{position:static}
  .tiers div{grid-template-columns:1fr;gap:6px}
}
@media (max-width:600px){
  .p-grid,.catalog .p-grid,.rv-grid,.diff-grid{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .values{grid-template-columns:1fr}
  .moments div{grid-template-columns:1fr;gap:4px}
  .foot-grid{grid-template-columns:1fr}
  .modal-body{grid-template-columns:1fr}
  .head-actions .btn{display:none}
  .zalo-fab span{display:none}
}

/* ===== Giai đoạn 2: trang Giới thiệu, Đại lý, Doanh nghiệp, Kiến thức, Liên hệ ===== */
.inline-form{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:28px;position:relative}
.two-col{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,6vw,96px);align-items:start}
.prose{display:flex;flex-direction:column;gap:16px;max-width:68ch}
.prose p{color:var(--charcoal)}
.prose h3{color:var(--emerald);margin-top:12px}
.prose ul,.prose ol{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
.demo{display:inline-block;font:700 .64rem/1 var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:#8A5A12;background:#F6E9C9;border:1px solid var(--gold);padding:4px 8px;border-radius:6px;vertical-align:middle;margin-left:8px}
.vm-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.vm{border:1px solid var(--line);border-radius:var(--r);padding:30px;background:var(--paper);display:flex;flex-direction:column;gap:12px}
.vm .k{font:600 .74rem/1 var(--f-body);letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.vm p{font:500 1.25rem/1.45 var(--f-display);color:var(--emerald)}
.chips-row{display:flex;flex-wrap:wrap;gap:10px}
.chips-row span,.chips-row button{padding:9px 16px;border:1px solid var(--line);border-radius:999px;font-size:.88rem;background:var(--paper);color:var(--charcoal)}
.chips-row button{cursor:pointer}
.chips-row button[aria-pressed="true"]{background:var(--emerald);border-color:var(--emerald);color:var(--ivory)}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts div{padding:24px 18px 24px 0}
.facts b{display:block;font:600 2rem/1.1 var(--f-display);color:var(--emerald)}
.facts span{font-size:.86rem;color:var(--muted)}
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;counter-reset:fl}
.flow li{counter-increment:fl;border-top:1px solid var(--gold);padding-top:18px;display:flex;flex-direction:column;gap:6px}
.flow li::before{content:"Bước " counter(fl);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);font-weight:600}
.flow b{font:600 1.2rem/1.25 var(--f-display);color:var(--emerald)}
.flow span{font-size:.9rem;color:var(--muted)}
.ticks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px}
.ticks li{padding-left:28px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:8px;border-left:1.5px solid var(--gold);border-bottom:1.5px solid var(--gold);transform:rotate(-45deg)}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font:600 1.25rem/1.3 var(--f-display);color:var(--emerald);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:16px;font:400 1.6rem var(--f-body);color:var(--gold)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 20px;color:var(--muted);max-width:70ch}
.k-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.k-card h3 a{text-decoration:none}
.k-card .meta{font-size:.78rem;color:var(--muted)}
.article{max-width:760px;margin:0 auto}
.article h1{font-size:clamp(2rem,4.4vw,3.2rem);color:var(--emerald);margin:14px 0 18px}
.article .back{border:0;background:none;color:var(--emerald);cursor:pointer;padding:0;font-size:.9rem}
.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.c-card{border:1px solid var(--line);border-radius:var(--r);padding:28px;background:var(--paper);display:flex;flex-direction:column;gap:10px}
.c-card .big{font:600 1.8rem/1.1 var(--f-display);color:var(--emerald);font-variant-numeric:tabular-nums}
.map{width:100%;aspect-ratio:16/9;border:0;border-radius:var(--r);background:var(--ivory-2)}
.map-wrap{position:relative}
.map-wrap .map-fallback{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:var(--muted);font-size:.9rem;z-index:0}
.map-wrap iframe{position:relative;z-index:1}
@media (max-width:900px){.two-col,.vm-grid,.contact-grid{grid-template-columns:1fr}.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.flow{grid-template-columns:1fr 1fr}.k-list{grid-template-columns:1fr 1fr}.ticks{grid-template-columns:1fr}}
@media (max-width:600px){.flow,.k-list{grid-template-columns:1fr}.inline-form{padding:20px}}
.diff-grid .ic.word{width:auto;padding:0 16px;border-radius:999px;height:36px;font-size:1.05rem;align-self:flex-start}
/* QR Zalo, kênh liên hệ */
.qr-box{display:flex;align-items:center;gap:16px;margin-top:8px}
.qr-box img{width:120px;height:120px;border-radius:10px;background:#fff;padding:6px;border:1px solid var(--line)}
.qr-box span{font-size:.86rem;color:var(--muted);max-width:22ch}
.foot-qr{display:inline-flex;align-items:center;gap:12px;margin-top:16px;text-decoration:none}
.foot-qr img{width:84px;height:84px;background:#fff;padding:5px;border-radius:8px}
.foot-qr span{font-size:.8rem;max-width:14ch}
.foot-social{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip-link{font-size:.78rem;padding:6px 12px;border:1px solid rgba(199,166,106,.45);border-radius:999px;text-decoration:none;color:var(--ivory)}
.chip-link:hover{background:rgba(199,166,106,.15)}
.msg-fab{bottom:calc(max(18px,env(safe-area-inset-bottom,0px)) + 62px);background:#0866FF}

/* QR chuyển khoản đặt cọc */
.pay-qr{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap;margin-top:12px;padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff}
.pay-qr img{width:180px;height:180px;border-radius:12px;flex:none}
.pay-qr > div{flex:1 1 220px;min-width:0}
.pay-line{margin:6px 0 0;font-size:.94rem;color:var(--charcoal,#26332E)}
.pay-line .btn{margin-left:6px;padding:4px 10px;font-size:.78rem}
.pay-note{margin-top:10px;font-size:.84rem;color:var(--muted)}
.foot-qr img{width:96px;height:96px}
.pay-details{margin:14px 0 4px}
.pay-details summary{cursor:pointer;font-weight:700;color:var(--emerald,#174D38)}