/* TECHCOMIN PREMIUM UI V2 — design tokens đo từ mockup owner (xem DESIGN_SYSTEM.md) */
:root{
  --ui-primary:#07553F; --ui-primary-deep:#1D4535; --ui-primary-soft:#E8F0EA;
  --ui-gold:#BD8B4A; --ui-gold-soft:#E7D7BD;
  --ui-bg:#FAFAF7; --ui-surface:#FFFFFF; --ui-warm:#F5F2EC;
  --ui-heading:#172522; --ui-text:#35413B; --ui-muted:#78847D; --ui-border:#E5E9E4;
  --ui-container:1440px; --ui-sec:clamp(40px,6vw,84px); --ui-gap:clamp(16px,2vw,28px);
  --ui-radius:16px; --ui-radius-img:14px;
  --ui-serif:"Playfair Display","Times New Roman",Georgia,serif;
  --ui-sans:"Be Vietnam Pro","Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
html{scroll-behavior:smooth}
body.ui2{background:var(--ui-bg);color:var(--ui-text);font-family:var(--ui-sans);
  font-size:15.5px;line-height:1.65;-webkit-font-smoothing:antialiased}
body.ui2 .skip,a.ui2-skip{position:absolute;left:-9999px}
body.ui2 .skip:focus,body.ui2 a.ui2-skip:focus{left:8px;top:8px;background:#fff;padding:8px 12px;z-index:99}
/* ẩn shell cũ để chỉ còn một hệ thống */
body.ui2 > .topbar,body.ui2 > .hdr,body.ui2 > header.site-head,
body.ui2 footer.ft,body.ui2 footer.site-foot,body.ui2 > .mbar,body.ui2 > .floatact{display:none!important}
body.ui2 main.wrap,body.ui2 #main{max-width:var(--ui-container);margin:0 auto;padding:0 clamp(16px,3vw,40px)}
body.ui2 .wrap{max-width:var(--ui-container)}
body.ui2 h1,body.ui2 h2,body.ui2 .page-h1,body.ui2 .hero h1{font-family:var(--ui-serif);
  color:var(--ui-heading);letter-spacing:-.01em;font-weight:600}
body.ui2 h1.page-h1{font-size:clamp(1.9rem,1.2rem + 2vw,2.9rem);line-height:1.15}
body.ui2 h2{font-size:clamp(1.35rem,1.05rem + 1vw,2rem);line-height:1.25}
body.ui2 h3{font-size:clamp(1.02rem,.98rem + .35vw,1.2rem)}
body.ui2 a{color:var(--ui-primary);text-decoration:none}
body.ui2 a:hover{color:var(--ui-primary-deep)}
/* ---------- shell: header ---------- */
.ui2-head{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--ui-border);transition:box-shadow .2s}
.ui2-head.is-scrolled{box-shadow:0 6px 24px rgba(23,37,34,.07)}
.ui2-head-in{max-width:var(--ui-container);margin:0 auto;padding:14px clamp(16px,3vw,40px);
  display:flex;align-items:center;gap:clamp(12px,2vw,32px)}
.ui2-brand{display:flex;flex-direction:column;line-height:1.1}
.ui2-brand b{font-family:var(--ui-serif);font-size:1.32rem;letter-spacing:.06em;color:var(--ui-primary-deep)}
.ui2-brand small{font-size:.66rem;letter-spacing:.22em;color:var(--ui-muted);text-transform:uppercase}
.ui2-nav{display:flex;gap:clamp(10px,1.6vw,26px);margin-left:auto}
.ui2-nav a{font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ui-heading);
  padding:6px 0;border-bottom:2px solid transparent}
.ui2-nav a:hover,.ui2-nav a[aria-current]{border-color:var(--ui-gold);color:var(--ui-primary-deep)}
.ui2-tools{display:flex;align-items:center;gap:10px}
.ui2-search{display:flex;align-items:center;border:1px solid var(--ui-border);border-radius:999px;
  background:#fff;padding:0 6px 0 14px;height:42px}
.ui2-search input{border:0;outline:0;background:transparent;width:150px;font:inherit;font-size:.88rem}
.ui2-search button{border:0;background:transparent;cursor:pointer;font-size:1rem;color:var(--ui-muted)}
.ui2-burger{display:none;border:1px solid var(--ui-border);background:#fff;border-radius:10px;
  width:42px;height:42px;font-size:1.1rem;cursor:pointer}
/* ---------- buttons / chips ---------- */
body.ui2 .btn,.ui2-btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;
  gap:8px;padding:0 22px;border-radius:999px;font-weight:600;font-size:.9rem;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s}
body.ui2 .btn.primary,.ui2-btn.primary{background:var(--ui-primary);color:#fff}
body.ui2 .btn.primary:hover,.ui2-btn.primary:hover{background:var(--ui-primary-deep);
  transform:translateY(-2px);box-shadow:0 10px 24px rgba(7,85,63,.22)}
body.ui2 .btn.ghost,.ui2-btn.ghost{background:#fff;color:var(--ui-primary-deep);border-color:var(--ui-border)}
body.ui2 .btn.ghost:hover{border-color:var(--ui-gold);transform:translateY(-2px)}
body.ui2 .btn.small,.ui2-btn.small{min-height:38px;padding:0 16px;font-size:.82rem}
.ui2-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--ui-warm);color:var(--ui-muted);font-size:.78rem;letter-spacing:.02em}
.ui2-chip.gold{background:var(--ui-gold-soft);color:#6E543D}
.ui2-chip.green{background:var(--ui-primary-soft);color:var(--ui-primary-deep)}
/* ---------- hero ---------- */
.ui2-hero{display:grid;grid-template-columns:42% 58%;align-items:stretch;gap:0;
  background:var(--ui-surface);border-radius:calc(var(--ui-radius) + 6px);overflow:hidden;
  border:1px solid var(--ui-border);margin:clamp(18px,3vw,36px) 0 var(--ui-sec)}
.ui2-hero-copy{padding:clamp(26px,4vw,64px);display:flex;flex-direction:column;justify-content:center;gap:14px}
.ui2-eyebrow{font-size:.72rem;letter-spacing:.26em;text-transform:uppercase;color:var(--ui-gold)}
.ui2-hero h1{font-size:clamp(2.1rem,1.3rem + 2.6vw,3.6rem);line-height:1.08;margin:0}
.ui2-hero h1 .g{color:var(--ui-primary-deep)}
.ui2-hero h1 .gold{color:var(--ui-gold)}
.ui2-hero .sub{font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;color:var(--ui-muted)}
.ui2-hero p.lead{font-size:1.02rem;color:var(--ui-text);max-width:52ch}
.ui2-hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.ui2-hero-media{position:relative;min-height:clamp(320px,46vw,640px)}
.ui2-hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ui2-hero-mats{position:absolute;left:0;right:0;bottom:0;display:flex;gap:10px;padding:14px;
  background:linear-gradient(to top,rgba(23,37,34,.72),transparent)}
.ui2-hero-mats figure{margin:0;width:74px;height:74px;border-radius:12px;overflow:hidden;
  border:2px solid rgba(255,255,255,.85)}
.ui2-hero-mats img{width:100%;height:100%;object-fit:cover;position:static}
/* ---------- facts strip ---------- */
.ui2-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;
  background:var(--ui-border);border:1px solid var(--ui-border);border-radius:var(--ui-radius);overflow:hidden}
.ui2-facts div{background:#fff;padding:18px 20px}
.ui2-facts b{display:block;font-family:var(--ui-serif);font-size:1.35rem;color:var(--ui-primary-deep)}
.ui2-facts span{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ui-muted)}
/* ---------- sections ---------- */
body.ui2 main.wrap > section,body.ui2 #main > section{margin-block:var(--ui-sec)}
.ui2-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;
  margin-bottom:clamp(16px,2vw,28px)}
.ui2-sec-head p{margin:0;color:var(--ui-muted);max-width:60ch}
.ui2-dark{background:var(--ui-primary-deep);color:#fff;border-radius:calc(var(--ui-radius) + 6px);
  padding:clamp(28px,4vw,64px)}
.ui2-dark h2,.ui2-dark h3{color:#fff}
.ui2-dark p{color:rgba(255,255,255,.82)}
.ui2-dark .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
/* ---------- cards ---------- */
.ui2-grid{display:grid;gap:var(--ui-gap)}
.ui2-grid.p{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.ui2-grid.t3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.ui2-grid.t4{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.ui2-grid.mats{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.ui2-card{background:#fff;border:1px solid var(--ui-border);border-radius:var(--ui-radius);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .2s ease,box-shadow .2s ease}
.ui2-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(23,37,34,.09)}
.ui2-card .thumb{display:block;background:var(--ui-warm);overflow:hidden}
.ui2-card .thumb img{width:100%;aspect-ratio:4/5;object-fit:cover;display:block;
  transition:transform .22s ease}
.ui2-card:hover .thumb img{transform:scale(1.025)}
.ui2-card.room .thumb img{aspect-ratio:4/3}
.ui2-card .body{padding:16px 17px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.ui2-card .eyebrow{margin:0;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ui-gold)}
.ui2-card h3{margin:0;font-size:1.02rem;line-height:1.3;min-height:2.6em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ui2-card .meta{margin:0;font-size:.84rem;color:var(--ui-muted)}
.ui2-card .prices{margin:2px 0 0;font-weight:700;color:var(--ui-heading)}
.ui2-card .prices small{font-weight:400;color:var(--ui-muted)}
.ui2-card .acts{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap;padding-top:10px}
/* tile lớn cho shop-by-surface / space / inspiration */
.ui2-tile{position:relative;display:block;border-radius:var(--ui-radius);overflow:hidden;
  min-height:230px;background:var(--ui-warm)}
.ui2-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .25s ease}
.ui2-tile:hover img{transform:scale(1.03)}
.ui2-tile figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(to top,rgba(23,37,34,.78),transparent);color:#fff}
.ui2-tile figcaption b{font-family:var(--ui-serif);font-size:1.15rem;display:block}
.ui2-tile figcaption span{font-size:.78rem;color:rgba(255,255,255,.82)}
/* bảng premium */
body.ui2 table,body.ui2 .ui2-table{width:100%;border-collapse:collapse}
body.ui2 table th,body.ui2 table td{border-bottom:1px solid var(--ui-border);padding:10px 12px;
  font-size:.9rem;text-align:left}
body.ui2 table thead th{background:var(--ui-warm);font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ui-muted)}
body.ui2 table tbody tr:hover{background:#fbfcfa}
/* khối liên quan: card thay list thô */
body.ui2 .cp3-linklist,body.ui2 .d5-related{display:grid;gap:var(--ui-gap);
  grid-template-columns:repeat(auto-fill,minmax(250px,1fr));list-style:none;padding:0}
body.ui2 .cp3-linklist a{display:block;padding:12px 14px;border:1px solid var(--ui-border);
  border-radius:12px;background:#fff}
/* form / calculator */
body.ui2 .calc,body.ui2 .calc-grid{background:#fff;border:1px solid var(--ui-border);
  border-radius:var(--ui-radius);padding:20px}
body.ui2 .calc input,body.ui2 .calc select{height:44px;border:1px solid var(--ui-border);
  border-radius:10px;padding:0 12px;font:inherit;background:#fff;width:100%}
body.ui2 .out table{width:100%}
body.ui2 .out tr.total th,body.ui2 .out tr.total td{background:var(--ui-primary-soft);
  font-size:1.05rem;color:var(--ui-primary-deep)}
/* ---------- footer ---------- */
.ui2-foot{background:var(--ui-primary-deep);color:rgba(255,255,255,.86);margin-top:var(--ui-sec)}
.ui2-foot-in{max-width:var(--ui-container);margin:0 auto;padding:clamp(32px,4vw,64px) clamp(16px,3vw,40px);
  display:grid;gap:clamp(20px,3vw,48px);grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr}
.ui2-foot h4{font-family:var(--ui-serif);color:#fff;margin:0 0 10px;font-size:1.05rem}
.ui2-foot h5{margin:0 0 10px;font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ui-gold-soft)}
.ui2-foot a{color:rgba(255,255,255,.86);font-size:.9rem}
.ui2-foot a:hover{color:#fff}
.ui2-foot ul{list-style:none;padding:0;margin:0;display:grid;gap:7px}
.ui2-foot-end{border-top:1px solid rgba(255,255,255,.16);padding:14px clamp(16px,3vw,40px);
  max-width:var(--ui-container);margin:0 auto;font-size:.8rem;color:rgba(255,255,255,.7)}
.ui2-float{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:55}
.ui2-float a{background:#fff;border:1px solid var(--ui-border);border-radius:999px;padding:9px 14px;
  font-size:.8rem;box-shadow:0 8px 20px rgba(23,37,34,.12)}
.ui2-float a.p{background:var(--ui-primary);color:#fff;border-color:var(--ui-primary)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media (max-width:1200px){.ui2-grid.p{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}}
@media (max-width:1023px){
  .ui2-hero{grid-template-columns:1fr}
  .ui2-hero-media{min-height:340px}
  .ui2-foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .ui2-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;
    padding:14px 20px;border-bottom:1px solid var(--ui-border);box-shadow:0 18px 30px rgba(23,37,34,.12)}
  .ui2-nav.open{display:flex}
  .ui2-search{display:none}
  .ui2-burger{display:inline-flex;align-items:center;justify-content:center}
  .ui2-foot-in{grid-template-columns:1fr}
  .ui2-grid.p,.ui2-grid.t3,.ui2-grid.t4{grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
  .ui2-card .thumb img{aspect-ratio:1/1}
  .ui2-card h3{min-height:0}
}

/* ===== V2.1 fixes: nav nowrap + earlier compact breakpoint ===== */
.ui2-nav{flex-wrap:nowrap;gap:clamp(8px,1.1vw,20px)}
.ui2-nav a{white-space:nowrap;flex:0 0 auto}
.ui2-head-in{gap:clamp(10px,1.4vw,24px)}
.ui2-brand b{white-space:nowrap}
.ui2-tools{flex:0 0 auto}
.ui2-search input{width:clamp(110px,10vw,170px)}
@media (max-width:1500px){.ui2-nav a{font-size:.8rem}.ui2-nav{gap:14px}}
@media (max-width:1200px){
  .ui2-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;
    padding:14px 20px;border-bottom:1px solid var(--ui-border);box-shadow:0 18px 30px rgba(23,37,34,.12)}
  .ui2-nav.open{display:flex}
  .ui2-nav a{font-size:.95rem;padding:8px 0;border-bottom:1px solid var(--ui-border)}
  .ui2-burger{display:inline-flex;align-items:center;justify-content:center}
}
@media (max-width:900px){.ui2-search{display:none}}
/* ===== V2.1 fixes: category tiles = image above, text below (no overlay text) ===== */
.ui21-tile{display:flex;flex-direction:column;background:#fff;border:1px solid var(--ui-border);
  border-radius:var(--ui-radius);overflow:hidden;text-decoration:none;height:100%;
  transition:transform .2s ease,box-shadow .2s ease}
.ui21-tile:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(23,37,34,.09)}
.ui21-thumb{display:block;background:var(--ui-warm);overflow:hidden}
.ui21-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .22s ease}
.ui21-tile:hover .ui21-thumb img{transform:scale(1.025)}
.ui21-txt{display:block;padding:14px 16px 16px}
.ui21-txt b{display:block;font-family:var(--ui-serif);font-size:1.08rem;color:var(--ui-heading)}
.ui21-txt small{display:block;color:var(--ui-muted);font-size:.84rem;margin-top:2px}
.ui21-ph{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#F5F2EC,#E8F0EA)}
.ui21-ph span{font-family:var(--ui-serif);font-size:2.2rem;color:var(--ui-primary-deep);opacity:.5}
.ui21-tile.is-neutral .ui21-txt small{font-style:italic}