/* ==== Mẫu Nhà Đẹp — v6 "tối giản kiểu studio" (chỉ ảnh concept Google Drive) ====
   Nhiều khoảng trắng, chữ nhỏ, đơn sắc; đường kẻ 1px; không bo góc ảnh.
   Bản v5b lưu ở _backup-v5b-pre-drive/css/style.css.  ĐỔI MÀU: sửa biến trong :root.
   Khung nội dung tối đa 1152px = cạnh dài ảnh gốc, để ảnh không bị phóng to trên màn hình thường. */
:root{
  --c-bg:#ffffff;--c-alt:#f1f0ed;--c-surface:#ffffff;
  --c-ink:#1c1b19;--c-ink2:#3a3833;--c-muted:#5d5953;
  --c-line:#dcd9d3;--c-line2:#c4c0b8;--c-ph:#e9e7e3;--c-err:#a3201b;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --max:1232px;--gut:40px;--track:.18em;
}
@media (max-width:900px){:root{--gut:clamp(1rem,4vw,1.75rem)}}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f-body);font-size:.94rem;font-weight:400;line-height:1.7;color:var(--c-ink2);background:var(--c-bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-ink);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{color:#000}
h1,h2,h3,h4{font-family:var(--f-body);color:var(--c-ink);line-height:1.3;margin:0 0 .6em;font-weight:300}
h1{font-size:clamp(1.25rem,1.9vw,1.6rem);letter-spacing:.01em}
h2{font-size:clamp(1.05rem,1.5vw,1.25rem)}
h3{font-size:1rem;font-weight:400}
p{margin:0 0 1em}
strong{font-weight:400;color:var(--c-ink)}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--c-ink);outline-offset:3px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-ink);color:#fff;padding:.7rem 1rem;z-index:1000;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase}
.skip-link:focus{left:1rem;top:1rem}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.section{padding:clamp(3.5rem,8vw,7rem) 0}
.section--tight{padding:clamp(1.75rem,4vw,3rem) 0}
.section--flush-top{padding-top:0}
.lead{font-size:.95rem;color:var(--c-muted);max-width:62ch}
.muted{color:var(--c-muted)}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.todo{background:#f1ead8;color:#4d3f1c;padding:0 .3em;font-weight:400}
.label{display:block;font-size:.64rem;font-weight:400;letter-spacing:var(--track);text-transform:uppercase;color:var(--c-muted);margin:0 0 1rem}
.h-up{font-size:clamp(.92rem,1.2vw,1.05rem);font-weight:300;text-transform:uppercase;letter-spacing:.14em;line-height:1.6;margin:0;color:var(--c-ink)}
.h-sm{font-size:.76rem;letter-spacing:.16em;font-weight:400;margin-bottom:1rem}
.small-note{font-size:.82rem;margin-top:1rem}

/* Thanh bản nháp */
.draft-bar{background:var(--c-alt);color:var(--c-muted);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;text-align:center;padding:.4rem 1rem;line-height:1.5}
.draft-bar strong{color:var(--c-ink);font-weight:400}

/* ===== Header: logo V1 + menu viên thuốc nhỏ ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;min-height:80px;padding-top:.5rem;padding-bottom:.5rem;gap:1.5rem}
.brand{display:inline-flex;align-items:center;text-decoration:none;color:var(--c-ink)}
.brand-logo{display:block;height:52px;width:auto;max-width:none}
.site-footer .brand-logo{height:64px}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:.35rem;align-items:center}
.nav a{display:inline-flex;align-items:center;min-height:28px;padding:.28rem .8rem;border:1px solid var(--c-line2);border-radius:999px;text-decoration:none;color:var(--c-ink);font-size:.64rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase;line-height:1;transition:border-color .2s}
.nav a:hover,.nav a[aria-current="page"]{border-color:var(--c-ink)}
.nav-toggle{display:none;align-items:center;gap:.5rem;min-height:40px;background:none;border:1px solid var(--c-line);border-radius:999px;padding:.35rem .9rem;font:inherit;font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;color:var(--c-ink)}
@media (max-width:760px){
  .nav-toggle{display:inline-flex}
  .nav{position:absolute;left:0;right:0;top:100%;background:var(--c-bg);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);display:none;padding:.5rem var(--gut) 1rem}
  .nav.open{display:block}
  .nav ul{flex-direction:column;align-items:stretch;gap:0}
  .nav a{display:flex;min-height:48px;border:0;border-bottom:1px solid var(--c-line);border-radius:0;padding:.6rem 0;font-size:.7rem}
  .nav a[aria-current="page"]{font-weight:400}
}

/* ===== Nút & liên kết ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:44px;padding:.75rem 1.5rem;border-radius:999px;font:inherit;font-size:.68rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase;line-height:1.2;text-decoration:none;border:1px solid var(--c-ink);cursor:pointer;transition:background .2s,color .2s;text-align:center}
.btn--primary{background:var(--c-ink);color:#fff}
.btn--primary:hover{background:transparent;color:var(--c-ink)}
.btn--sm{min-height:36px;padding:.45rem 1rem;font-size:.64rem;letter-spacing:.14em}
.link-more{display:inline-flex;align-items:center;gap:.6rem;min-height:40px;padding:.2rem 0;color:var(--c-ink);text-decoration:none;font-size:.66rem;font-weight:400;letter-spacing:.18em;text-transform:uppercase;border-bottom:1px solid var(--c-ink);line-height:1.2}
.link-more span{transition:transform .25s}
.link-more:hover span{transform:translateX(4px)}
.link-row{display:flex;flex-wrap:wrap;gap:.5rem 2rem;margin-top:1.25rem}

/* ===== Ảnh + nhãn "CONCEPT M0X" ===== */
.figure{position:relative;margin:0;overflow:hidden;background:var(--c-ph)}
.figure img{width:100%;height:100%;object-fit:cover;object-position:right bottom}
.img-label{position:absolute;left:.55rem;top:.55rem;background:rgba(251,251,250,.78);color:var(--c-ink);font-size:.64rem;font-weight:400;letter-spacing:.2em;text-transform:uppercase;padding:.25rem .5rem;line-height:1.3;pointer-events:none;z-index:2}

/* ===== Hero: ảnh lớn (16:9, gốc 1152px) + 2 ảnh nhỏ góc phải dưới ===== */
.hero{padding:.25rem 0 0}
.hero-media{position:relative}
.hero-figure{aspect-ratio:16/9;width:100%}
.hero-label{top:.8rem;left:.8rem}
/* đặt cao hơn mép dưới để không che dấu bản quyền ở góc phải dưới ảnh */
.hero-insets{position:absolute;right:1.25rem;bottom:4.25rem;display:flex;gap:.5rem;z-index:3}
.hero-thumb{display:block;width:150px;background:#fff;padding:.35rem;text-decoration:none;color:var(--c-ink)}
.hero-thumb .figure{aspect-ratio:4/3}
.hero-thumb-cap{display:flex;justify-content:space-between;gap:.5rem;padding:.45rem .1rem .1rem;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;line-height:1.4}
.hero-thumb-cap span+span{color:var(--c-muted)}
.hero-thumb img{transition:transform .6s ease}
.hero-thumb:hover img{transform:scale(1.04)}
.hero-thumb:focus-visible{outline:2px solid #fff;box-shadow:0 0 0 4px var(--c-ink);outline-offset:0}

/* ===== Giới thiệu 2 cột ===== */
.intro{padding:clamp(3rem,6vw,5.5rem) 0 clamp(2rem,4vw,3rem)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(1.5rem,6vw,6rem);align-items:start}
.split p{max-width:52ch}
.split--rule{border-top:1px solid var(--c-line);padding-top:clamp(2rem,4vw,3rem)}

/* ===== Nhãn mục ("GIỚI THIỆU MẪU") ===== */
.sec-label{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap;border-bottom:1px solid var(--c-line);padding-bottom:.8rem;margin-bottom:clamp(1.25rem,2.5vw,2rem)}
.sec-label h2{font-size:.66rem;font-weight:400;letter-spacing:var(--track);text-transform:uppercase;color:var(--c-ink);margin:0;line-height:1.4}
.sec-label>span{font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-muted)}
.sec-label .link-more{min-height:0;font-size:.64rem}

/* ===== Lưới thẻ: ảnh cao, tên trái – meta phải ===== */
.grid--vcard{display:grid;gap:clamp(2rem,4vw,3rem) clamp(1rem,2vw,1.5rem);grid-template-columns:1fr}
@media (min-width:640px){.grid--vcard{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1000px){.grid--vcard{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--vcard.grid--n2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--vcard.grid--n1{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.vcard{position:relative;display:flex;flex-direction:column}
.vcard .figure{aspect-ratio:3/4}
.vcard--wide .figure{aspect-ratio:4/3}
.vcard .figure img{transition:transform .9s ease}
.vcard:hover .figure img,.vcard:focus-within .figure img{transform:scale(1.025)}
.vcard-body{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:.8rem 0;border-bottom:1px solid var(--c-line)}
.vcard-title{font-size:.84rem;font-weight:300;letter-spacing:.02em;line-height:1.45;margin:0;flex:1 1 auto;min-width:0}
.vcard-title a{color:var(--c-ink);text-decoration:none}
.vcard-title a::after{content:"";position:absolute;inset:0;z-index:3}
.vcard-title a:focus-visible{outline:none}
.vcard:has(a:focus-visible){outline:2px solid var(--c-ink);outline-offset:6px}
.vcard-meta{flex:0 0 auto;max-width:50%;margin:0;text-align:right;font-size:.64rem;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--c-muted);line-height:1.7}

/* ===== Ảnh rộng + 2 liên kết chú thích ===== */
.wide-figure{aspect-ratio:2/1;width:100%}
.feat-links{display:flex;justify-content:space-between;gap:1rem 2rem;flex-wrap:wrap;border-bottom:1px solid var(--c-line);padding:.9rem 0}
.feat-link{display:inline-flex;gap:.6rem;align-items:center;min-height:32px;text-decoration:none;font-size:.64rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase;color:var(--c-ink)}
.feat-link span{transition:transform .25s}
.feat-link:hover span{transform:translateX(4px)}
.ai-note{margin:clamp(2rem,4vw,3rem) 0 0;font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-muted)}

/* ===== Đầu trang con ===== */
.page-head{padding:clamp(2.25rem,5vw,4rem) 0 clamp(1.25rem,3vw,2rem)}
.page-head h1{max-width:30ch;margin-bottom:.4em}
.page-head .lead{margin:0}
.breadcrumb{font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:1.5rem}
.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.5rem}
.breadcrumb li{color:var(--c-ink)}
.breadcrumb li+li::before{content:"/";margin-right:.5rem;color:var(--c-muted)}
.breadcrumb a{color:var(--c-muted);text-decoration:none}
.breadcrumb a:hover{color:var(--c-ink);text-decoration:underline}

/* ===== Trang chi tiết: thông số + thư viện biên tập ===== */
.spec-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--c-ink)}
.spec-list li{display:flex;justify-content:space-between;gap:1rem;padding:.75rem 0;border-bottom:1px solid var(--c-line);font-size:.86rem;color:var(--c-ink)}
.spec-list li span:first-child{font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-muted);padding-top:.2rem}
.spec-list li span:last-child{text-align:right}
.vgallery{display:grid;gap:clamp(1.5rem,3vw,2.25rem)}
.g-row{display:flex;gap:clamp(.75rem,1.5vw,1.25rem);align-items:flex-start}
.g-cell{flex:var(--r) 1 0;min-width:0;margin:0;scroll-margin-top:110px}
.g-row--1 .g-cell{max-width:100%}
.g-item{position:relative;display:block;width:100%;padding:0;border:0;background:var(--c-ph);overflow:hidden;cursor:zoom-in}
.g-item img{width:100%;height:auto;transition:transform .8s ease}
.g-item:hover img{transform:scale(1.015)}
.g-cell figcaption{display:flex;justify-content:space-between;gap:1rem;padding:.6rem 0;border-bottom:1px solid var(--c-line);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-ink);line-height:1.5}
.g-cell figcaption span+span{color:var(--c-muted)}
.prose{max-width:720px}
.prose h2{font-size:.74rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase;margin:2.25rem 0 .9rem}
.prose h2:first-child{margin-top:0}
.detail{display:grid;gap:clamp(2rem,5vw,5rem);grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);align-items:start}
.detail-aside{position:sticky;top:96px;display:grid;gap:1rem;border-top:1px solid var(--c-ink);padding-top:1.25rem}
.detail-aside h2{font-size:.7rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase;margin:0}
.notice{background:var(--c-alt);border:1px solid var(--c-line);color:var(--c-ink2);padding:.8rem 1rem;font-size:.86rem;margin:0 0 1rem}
.notice--info{background:transparent;border-color:var(--c-line2)}
/* ===== Form ===== */
.form{display:grid;gap:1.1rem;background:var(--c-surface);border:1px solid var(--c-line);padding:clamp(1.2rem,3vw,2.25rem)}
.form .two{display:grid;gap:1.1rem;grid-template-columns:1fr 1fr}
@media (max-width:600px){.form .two{grid-template-columns:1fr}}
.field label,.field .label{display:block;font-size:.66rem;font-weight:400;letter-spacing:.12em;text-transform:uppercase;color:var(--c-ink);margin-bottom:.45rem}
.field input,.field select,.field textarea,.chat-form input{width:100%;min-height:48px;font:inherit;font-size:.95rem;padding:.65rem .8rem;border:1px solid var(--c-line2);border-radius:0;background:#fff;color:var(--c-ink)}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible,.chat-form input:focus-visible{outline:2px solid var(--c-ink);outline-offset:0;border-color:var(--c-ink)}
.field .hint{font-size:.82rem;color:var(--c-muted);margin:.35rem 0 0}
.field .error{color:var(--c-err);font-size:.85rem;margin:.3rem 0 0}
.field .error:empty{display:none}
.field [aria-invalid="true"]{border-color:var(--c-err)}
.req{color:var(--c-err)}
.check{display:flex!important;gap:.7rem;align-items:flex-start;font-size:.9rem!important;letter-spacing:0!important;text-transform:none!important;font-weight:400!important;color:var(--c-ink2)!important}
.check input{margin-top:.25rem;width:18px;height:18px;min-height:0;accent-color:var(--c-ink);flex:none}
.form-status{padding:.85rem 1rem;font-size:.9rem;border:1px solid var(--c-line2);background:var(--c-alt);color:var(--c-ink)}
.form-status[data-state="error"]{border-color:var(--c-err);color:var(--c-err);background:#fff}
.hp{position:absolute;left:-9999px}
.contact-list{list-style:none;padding:0;margin:0;display:grid}
.contact-list li{border-bottom:1px solid var(--c-line);padding:.9rem 0}
.contact-list strong{display:block;font-size:.64rem;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--c-muted);margin-bottom:.15rem}

/* ===== Footer (dải tối #2B2824, logo V1-dark chữ sáng) ===== */
.site-footer{--f-ink:#f7f5f1;--f-text:#d9d5cd;--f-muted:#aaa49a;--f-line:rgba(247,245,241,.16);background:#1c1b19;color:var(--f-text);padding:clamp(2rem,4vw,3rem) 0 1.25rem;margin-top:clamp(2rem,5vw,4rem);font-size:.84rem}
.footer-grid{display:grid;gap:2.5rem;grid-template-columns:2fr 1fr 1fr}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr}}
.footer-about{margin:1rem 0 0;max-width:46ch;font-size:.8rem}
.muted-footer{font-size:.82rem;color:var(--f-muted);max-width:46ch}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.site-footer a{color:var(--f-ink);text-decoration:none;border-bottom:1px solid transparent}
.site-footer a:hover{border-bottom-color:var(--f-ink)}
.site-footer a:focus-visible{outline-color:var(--f-ink)}
.site-footer .brand{border:0;display:inline-block}
.site-footer h2{font-size:.66rem;font-weight:400;letter-spacing:var(--track);text-transform:uppercase;color:var(--f-muted);margin:0 0 1rem}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem 2rem;border-top:1px solid var(--f-line);margin-top:2rem;padding-top:1rem;font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--f-muted)}

/* ===== Nút nổi: nhỏ, kín đáo (v6) ===== */
.fab{position:fixed;right:1rem;bottom:1rem;z-index:90;display:flex;flex-direction:column;gap:.4rem;align-items:flex-end}
.fab a,.fab button{display:grid;place-items:center;width:40px;height:40px;padding:0;border:1px solid var(--c-line2);border-radius:50%;cursor:pointer;text-decoration:none;background:rgba(255,255,255,.92);color:var(--c-ink);transition:border-color .2s,background .2s}
.fab a:hover,.fab button:hover{border-color:var(--c-ink);background:#fff}
.fab .fab-chat{background:var(--c-ink);border-color:var(--c-ink);color:#fff}
.fab [aria-disabled="true"]{color:var(--c-muted)}
.fab svg{width:16px;height:16px}
@media (max-width:700px){.fab{right:.6rem;bottom:max(.6rem,env(safe-area-inset-bottom))}.fab a,.fab button{width:44px;height:44px}}

/* ===== Trợ lý chat ===== */
.chat{position:fixed;right:1rem;bottom:9.5rem;z-index:95;width:min(380px,calc(100vw - 2rem));height:min(560px,calc(100vh - 8rem));background:#fff;border:1px solid var(--c-line);box-shadow:0 20px 50px rgba(28,27,25,.16);display:flex;flex-direction:column;overflow:hidden}
@media (max-width:700px){.chat{left:.5rem;right:4rem;width:auto;bottom:.6rem;height:calc(100dvh - 6rem)}}
.chat-head{background:var(--c-ink);color:#fff;padding:.8rem 1rem;display:flex;align-items:center;gap:.7rem}
.chat-head img{flex:none}
.chat-head h2{font-size:.72rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase;margin:0;color:#fff}
.chat-head p{margin:0;font-size:.74rem;color:#d6d2cb;line-height:1.4}
.chat-head button{margin-left:auto;background:transparent;border:1px solid #77736c;color:#fff;border-radius:999px;padding:.35rem .8rem;cursor:pointer;font:inherit;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;min-height:36px}
.chat-head :focus-visible{outline-color:#fff}
.chat-demo{background:var(--c-alt);color:var(--c-ink2);font-size:.78rem;padding:.5rem .9rem;border-bottom:1px solid var(--c-line);margin:0}
.chat-log{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem;background:var(--c-bg)}
.msg{max-width:85%;padding:.6rem .85rem;font-size:.92rem;line-height:1.55;white-space:pre-line}
.msg--bot{background:#fff;border:1px solid var(--c-line);align-self:flex-start}
.msg--user{background:var(--c-ink);color:#fff;align-self:flex-end}
.msg a{font-weight:400}
.msg--user a{color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:.4rem;padding:.6rem .8rem;border-top:1px solid var(--c-line);background:#fff}
.chips button{border:1px solid var(--c-line2);color:var(--c-ink);background:#fff;border-radius:999px;padding:.4rem .8rem;font:inherit;font-size:.8rem;cursor:pointer;min-height:36px}
.chips button:hover{border-color:var(--c-ink)}
.chat-form{display:flex;gap:.4rem;padding:.6rem;border-top:1px solid var(--c-line)}
.chat-form input{flex:1;min-width:0;min-height:44px}
.typing{font-size:.85rem;color:var(--c-muted);font-style:italic}

/* ===== Lightbox ===== */
html.lb-open{overflow:hidden}
.lb{position:fixed;inset:0;z-index:1200;background:rgba(16,15,14,.97);display:grid;place-items:center}
.lb :focus-visible{outline-color:#fff}
.lb-inner{position:relative;width:min(96vw,1600px);max-height:100vh;display:grid;grid-template-rows:1fr auto;align-content:center;padding:3.5rem 0 1rem}
.lb-fig{position:relative;margin:0 auto;width:fit-content;max-width:100%;display:block}
.lb-img{display:block;max-height:calc(100dvh - 10rem);max-width:min(96vw,1600px);width:auto;height:auto;object-fit:contain}
.lb-fig .img-label{left:.6rem;top:.6rem}
.lb-bar{color:#eee;display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;align-items:center;justify-content:space-between;padding:.9rem .5rem 0}
.lb-cap{margin:0;flex:1 1 320px;font-size:.92rem}
.lb-count{margin:0;color:#bdb9b2;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase}
.lb .btn--primary{background:#fff;color:var(--c-ink);border-color:#fff}
.lb .btn--primary:hover{background:transparent;color:#fff}
.lb-btn{position:absolute;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);width:48px;height:48px;border-radius:50%;font-size:1.6rem;line-height:1;cursor:pointer;display:grid;place-items:center}
.lb-btn:hover{border-color:#fff}
.lb-prev{left:.25rem;top:50%;transform:translateY(-50%)}
.lb-next{right:.25rem;top:50%;transform:translateY(-50%)}
.lb-close{right:.25rem;top:.4rem}
@media (max-width:700px){.lb-img{max-height:calc(100dvh - 14rem)}.lb-bar{padding-bottom:4.5rem}.lb-prev,.lb-next{bottom:max(1rem,env(safe-area-inset-bottom));top:auto;transform:none}}

/* ===== Hiện dần ===== */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* ===== Mobile ===== */
@media (max-width:900px){
  .split,.detail{grid-template-columns:1fr}
  .detail-aside{position:static}
  .hero-insets{position:static;margin-top:.5rem;justify-content:flex-end}
  .hero-thumb{padding:0;background:transparent;width:calc(50% - .25rem)}
}
@media (max-width:760px){
  .g-row{flex-direction:column;gap:clamp(1.5rem,3vw,2.25rem)}
  .g-cell{flex:none;width:100%}
}
@media (max-width:700px){
  .site-header .container{min-height:64px}
  .brand-logo{height:42px}
  .site-footer .brand-logo{height:56px}
  .vcard-meta{max-width:52%}
  .feat-links{flex-direction:column;gap:.25rem}
  .cta-phone,.spec-list li.spec-note,.vcard-meta,.ai-note,.sec-label,.sec-label h2,.sec-label>span,.sec-label .link-more,.feat-link,.hero-thumb-cap,.g-cell figcaption,.spec-list,.link-more,.breadcrumb{font-size:.72rem}
  .img-label{font-size:.64rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* v6b: dòng tư vấn mảnh, ghi chú concept */
.cta-line{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:.6rem 0}
.cta-line .link-more{border-bottom:0}
.cta-phone{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;text-decoration:none;color:var(--c-muted)}
.spec-list li.spec-note{display:block;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--c-muted);line-height:1.6}
.footer-bottom .disclosure{text-transform:none;letter-spacing:.04em}
.intro p{max-width:52ch}
@media (max-width:700px){.cta-phone,.spec-list li.spec-note,.footer-bottom .disclosure{font-size:.72rem}}
.hero-thumb-cap{display:block;padding:.4rem .1rem .05rem;color:var(--c-ink);letter-spacing:.2em}

/* ===== v7: bố cục theo tham chiếu Fahrenheit ===== */
.hero-figure{aspect-ratio:3/2}
.hero-insets{right:clamp(.75rem,1.6vw,1.5rem);bottom:max(4.25rem,6vw);gap:.4rem;padding:.4rem;background:rgba(20,19,17,.42);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.hero-thumb{position:relative;width:clamp(130px,14vw,220px);padding:0;background:transparent;color:#fff}
.hero-thumb .figure{aspect-ratio:1/1}
.hero-thumb .figure img{object-position:right bottom}
.hero-thumb-cap{position:absolute;left:.5rem;bottom:.45rem;padding:0;color:#fff;font-size:.64rem;letter-spacing:.2em;text-shadow:0 1px 3px rgba(0,0,0,.45);z-index:2}
.hero-thumb:focus-visible{outline:2px solid #fff;outline-offset:2px;box-shadow:0 0 0 5px var(--c-ink)}
.intro{padding:clamp(2.5rem,5vw,4.5rem) 0 clamp(2rem,4vw,3.25rem)}
.intro .h-up{font-size:.8rem;font-weight:400;letter-spacing:.16em;line-height:1.7}
.intro p{font-size:.86rem;font-weight:300}
.link-more--rule{display:flex;width:100%;justify-content:space-between;margin-top:1.25rem;border-bottom:1px solid var(--c-line2,#cfccc6)}
.sec-label--plain{border-bottom:0;padding-bottom:0;margin-bottom:.9rem}
.grid--home{gap:clamp(1.5rem,3vw,2.25rem) clamp(.5rem,1vw,.75rem)}
.grid--home .vcard .figure{aspect-ratio:3/4}
.grid--home .vcard-body{padding:.65rem 0;border-top:0}
.vcard-title{font-size:.68rem;font-weight:400;letter-spacing:.16em;text-transform:uppercase}
.feat-links{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(1rem,3vw,2.5rem);border-bottom:0;padding:.6rem 0 0}
.feat-link{display:flex;justify-content:space-between;width:100%;padding:.45rem 0;border-bottom:1px solid var(--c-line2,#cfccc6);font-weight:400}
.feat-link:focus-visible,.link-more:focus-visible{outline:2px solid var(--c-ink);outline-offset:3px}
@media (max-width:900px){
  .hero-insets{position:static;margin-top:.4rem;padding:0;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;justify-content:flex-end}
  .hero-thumb{width:calc(50% - .2rem)}
  .hero-thumb-cap{font-size:.68rem}
}
@media (max-width:700px){.feat-links{grid-template-columns:1fr}.intro .h-up{font-size:.84rem}.vcard-title{font-size:.76rem}.hero-thumb-cap{font-size:.72rem}}

/* ===== v7b: hạn chế tải ảnh nhẹ (chỉ ảnh site; chữ/link/form vẫn chọn & chuột phải bình thường) ===== */
.figure img,.g-item img,.lb-img,.hero-thumb img{-webkit-user-drag:none;user-drag:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.figure,.g-item,.lb-fig,.hero-thumb{-webkit-touch-callout:none}

/* ===== v7c: trang mẫu mở ra là thấy ảnh ngay (gallery trước, thông tin/tư vấn sau) ===== */
.section--gallery-first{padding-top:0}

/* ===== v8: 4 concept — trang chủ 4 cột desktop, 2×2 tablet; trang Mẫu nhà 2×2 ===== */
@media (min-width:1000px){.grid--vcard.grid--home.grid--n4{grid-template-columns:repeat(4,minmax(0,1fr))}}

/* ===== v9: 5 concept — trang chủ 5 cột desktop (một hàng ngang), tablet 3+2 lấp đủ hàng; trang Mẫu nhà 3+2 ===== */
@media (min-width:640px){.grid--vcard.grid--n5{grid-template-columns:repeat(6,minmax(0,1fr))}.grid--vcard.grid--n5>*{grid-column:span 2}.grid--vcard.grid--n5>:nth-child(n+4){grid-column:span 3}}
@media (min-width:1000px){.grid--vcard.grid--home.grid--n5{grid-template-columns:repeat(5,minmax(0,1fr))}.grid--vcard.grid--home.grid--n5>*{grid-column:auto}}

.footer-company{border-top:1px solid var(--f-line);margin-top:2rem;padding-top:1.25rem;display:grid;gap:.3rem;font-size:.72rem;font-weight:300;letter-spacing:.06em;color:var(--f-text)}
.footer-company p{margin:0}
.footer-company .fc-brand{font-size:.68rem;font-weight:400;letter-spacing:var(--track);text-transform:uppercase;color:var(--f-ink)}
.footer-company .fc-name{text-transform:uppercase;letter-spacing:.1em;font-size:.68rem}
.contact-company{margin-top:2rem;font-size:.84rem;line-height:1.6}
.contact-company p{margin:0 0 .2rem}

.form-status[data-state=handoff]{border:1px solid var(--c-line2);padding:1rem;margin-top:1rem}
.handoff-text{white-space:pre-wrap;font:inherit;font-size:.8rem;background:var(--c-alt);padding:.75rem;margin:.75rem 0;max-height:16rem;overflow:auto}
.handoff-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin:.5rem 0}
.btn--outline{background:transparent;color:var(--c-ink)}
.contact-btns{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.25rem 0 .5rem}