/* ============================================================
   S-HOME DESIGN — DEMO V2 · "Hiện đại ấm" editorial
   Font: Playfair Display (serif) + Be Vietnam Pro (sans)
   ============================================================ */
:root{
  /* Palette theo phong thủy mệnh THỔ (anh Hoá 1991 — Lộ Bàng Thổ):
     nền kem/nâu/be = bản mệnh Thổ · nhấn đồng/vàng kim = sang trọng
     nhấn terracotta/cam đất = Hỏa sinh Thổ (tương sinh, vượng) · tránh xanh lá (Mộc khắc Thổ) */
  --bg:#F7F2E9;
  --bg-soft:#EFE7D8;
  --ink:#211A12;
  --ink-soft:#6A5F4F;
  --bronze:#A97E45;
  --bronze-deep:#7E5E33;
  --gold:#C8A35E;
  --terra:#B0613B;        /* cam đất / terracotta — Hỏa sinh Thổ */
  --terra-deep:#8F4A2C;
  --terra-soft:#F3E2D6;
  --dark:#1A130B;
  --dark-2:#27201833;
  --card:#FFFDF8;
  --line:rgba(34,28,20,.16);
  --gold-line:rgba(168,126,69,.4);
  --cream:#EDE5D8;
  --serif:"Playfair Display",Georgia,serif;
  --sans:"Be Vietnam Pro",-apple-system,Segoe UI,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.65;font-weight:300;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:min(1240px,92%);margin:0 auto}

/* ---------- demo ribbon ---------- */
.demo-ribbon{background:var(--dark);color:#cdbfa8;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;text-align:center;padding:.45rem 1rem}
.demo-ribbon b{color:#e9d9ba;font-weight:500}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,241,232,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.brand{display:flex;align-items:center;gap:.7rem}
.brand img{height:40px;width:auto}
.brand-name{font-family:var(--serif);font-size:1.12rem;font-weight:600;letter-spacing:.02em}
.brand-name span{color:var(--bronze)}
.brand-sub{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft)}
.nav-links{display:flex;gap:2rem;font-size:.82rem;letter-spacing:.06em;font-weight:400}
.nav-links a{position:relative;padding:.2rem 0;transition:color .25s}
.nav-links a:hover{color:var(--bronze-deep)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--bronze);transition:width .3s}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:1rem}
.hotline{font-size:.85rem;font-weight:500;color:var(--bronze-deep)}
.btn{display:inline-block;padding:.78rem 1.7rem;border:1px solid var(--ink);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;transition:all .3s;cursor:pointer;background:transparent;color:var(--ink)}
.btn:hover{background:var(--ink);color:var(--cream)}
.btn-solid{background:var(--ink);color:var(--cream)}
.btn-solid:hover{background:var(--bronze-deep);border-color:var(--bronze-deep)}
.btn-bronze{background:var(--bronze-deep);border-color:var(--bronze);color:#fff}
.btn-bronze:hover{background:var(--bronze);border-color:var(--bronze);color:#fff}
.hamburger{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--ink);padding:.55rem .7rem}
@media(max-width:1100px){.nav-links{display:none}.hamburger{display:block}}
@media(max-width:820px){.hotline{display:none}}

/* ---------- shared ---------- */
.label{font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--bronze-deep);font-weight:500;display:flex;align-items:center;gap:.8rem}
.label::before{content:"";width:36px;height:1px;background:var(--bronze)}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.18}
.sec{padding:6.5rem 0}
.sec-head{max-width:680px;margin-bottom:3.5rem}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin:.9rem 0 1rem}
.sec-head p{color:var(--ink-soft);font-size:1rem}
.em{font-style:italic;color:var(--bronze-deep)}
.reveal{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
.js .reveal:not(.on){opacity:0;transform:translateY(24px)}
.reveal.on{opacity:1;transform:none}

/* ---------- hero ---------- */
.hero{padding:4.5rem 0 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3.5rem;align-items:center}
.hero h1{font-size:clamp(2.5rem,5vw,4.1rem);margin:1.2rem 0 1.4rem}
.hero h1 .line2{display:block;font-style:italic;color:var(--bronze-deep)}
.hero-desc{max-width:480px;color:var(--ink-soft);font-size:1.04rem;margin-bottom:2.2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}
.hero-call{font-size:.9rem;color:var(--ink-soft)}
.hero-call b{display:block;font-size:1.15rem;color:var(--ink);font-weight:500;letter-spacing:.03em}
.hero-visual{position:relative}
.hero-visual .main{width:100%;height:560px;object-fit:cover}
.hero-visual .sub{position:absolute;left:-40px;bottom:-28px;width:200px;height:250px;object-fit:cover;border:8px solid var(--bg);box-shadow:0 30px 60px rgba(34,28,20,.18)}
.hero-visual .frame{position:absolute;top:-18px;right:-18px;width:100%;height:100%;border:1px solid var(--bronze);z-index:-1}
.stats{margin-top:5.5rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:2.2rem 1.5rem;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat .num{font-family:var(--serif);font-size:2.5rem;color:var(--ink);line-height:1}
.stat .num span{color:var(--bronze)}
.stat .des{font-size:.8rem;color:var(--ink-soft);margin-top:.5rem;letter-spacing:.04em}

/* ---------- marquee ---------- */
.marquee{background:var(--dark);color:#B9A887;overflow:hidden;padding:1.05rem 0;white-space:nowrap}
.marquee-track{display:inline-block;animation:mq 36s linear infinite;font-size:.78rem;letter-spacing:.32em;text-transform:uppercase}
.marquee-track i{font-style:normal;color:var(--bronze);margin:0 1.6rem}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- why / 3 điểm ---------- */
.why-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:4rem;align-items:center}
.why-visual{position:relative}
.why-visual img{width:100%;height:600px;object-fit:cover}
.why-badge{position:absolute;right:-24px;bottom:42px;background:var(--dark);color:var(--cream);padding:1.5rem 1.8rem;max-width:250px}
.why-badge .b-num{font-family:var(--serif);font-size:1.9rem;color:var(--bronze)}
.why-badge .b-des{font-size:.78rem;letter-spacing:.05em;color:#bdb09a;margin-top:.2rem}
.why-item{display:flex;gap:1.6rem;padding:1.9rem 0;border-bottom:1px solid var(--line)}
.why-item:last-of-type{border-bottom:none}
.why-num{font-family:var(--serif);font-size:1.5rem;color:var(--bronze);min-width:46px;padding-top:.15rem}
.why-item h3{font-size:1.22rem;margin-bottom:.45rem;font-weight:600}
.why-item p{color:var(--ink-soft);font-size:.94rem}

/* ---------- services ---------- */
.sv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.sv-card{background:var(--card);border:1px solid var(--line);padding:2.4rem 2rem;position:relative;transition:transform .35s,box-shadow .35s}
.sv-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(34,28,20,.1)}
.sv-card .sv-i{font-size:1.6rem;color:var(--bronze);font-family:var(--serif)}
.sv-card h3{font-size:1.18rem;margin:1rem 0 .6rem;font-weight:600}
.sv-card p{font-size:.9rem;color:var(--ink-soft)}
.sv-card .sv-no{position:absolute;top:1.4rem;right:1.6rem;font-family:var(--serif);font-style:italic;color:var(--line);font-size:1.4rem}

/* ---------- portfolio ---------- */
.filter{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:2.4rem}
.chip{padding:.55rem 1.25rem;border:1px solid var(--line);background:transparent;font-family:var(--sans);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:all .25s;color:var(--ink-soft)}
.chip:hover{border-color:var(--bronze)}
.chip.act{background:var(--ink);color:var(--cream);border-color:var(--ink)}
.pf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.pf-item{position:relative;overflow:hidden;cursor:pointer;height:340px}
.pf-item.tall{grid-row:span 2;height:auto}
.pf-item img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.pf-item:hover img{transform:scale(1.06)}
.pf-cap{position:absolute;inset:auto 0 0 0;padding:2.4rem 1.4rem 1.2rem;background:linear-gradient(transparent,rgba(20,15,9,.82));color:var(--cream);opacity:0;transform:translateY(12px);transition:all .4s}
.pf-item:hover .pf-cap{opacity:1;transform:none}
.pf-cap .t{font-family:var(--serif);font-size:1.05rem}
.pf-cap .s{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:#c9ba9e;margin-top:.25rem}
.pf-note{margin-top:1.6rem;font-size:.82rem;color:var(--ink-soft)}
.works{margin-top:3.2rem;border-top:1px solid var(--line);padding-top:2.2rem}
.works h3{font-size:1.1rem;font-weight:600;margin-bottom:1.2rem}
.works-list{display:flex;flex-wrap:wrap;gap:.7rem}
.works-list li{border:1px solid var(--line);padding:.5rem 1.1rem;font-size:.82rem;color:var(--ink-soft);background:var(--card)}

/* ---------- process ---------- */
.proc{background:var(--bg-soft)}
.proc-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:280px;gap:1.2rem;overflow-x:auto;padding:1rem .2rem 1.6rem;scroll-snap-type:x mandatory}
.proc-scroll::-webkit-scrollbar{height:5px}
.proc-scroll::-webkit-scrollbar-thumb{background:var(--bronze);border-radius:4px}
.proc-step{background:var(--card);border:1px solid var(--line);padding:1.8rem 1.5rem;scroll-snap-align:start}
.proc-step .p-no{font-family:var(--serif);font-style:italic;font-size:1.9rem;color:var(--bronze)}
.proc-step h3{font-size:1.02rem;font-weight:600;margin:.7rem 0 .4rem}
.proc-step p{font-size:.84rem;color:var(--ink-soft)}
.proc-hint{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-top:.4rem}

/* ---------- workshop dark ---------- */
.dark-sec{background:var(--dark);color:var(--cream)}
.dark-sec .label{color:var(--bronze)}
.dark-sec .sec-head p{color:#b3a58c}
.ws-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:4rem;align-items:center}
.ws-grid img{width:100%;height:480px;object-fit:cover}
.ws-points li{display:flex;gap:1rem;padding:1.05rem 0;border-bottom:1px solid rgba(237,229,216,.14);font-size:.95rem;color:#d8cdb9}
.ws-points li::before{content:"—";color:var(--bronze)}
.partners{margin-top:2.2rem}
.partners .p-label{font-size:.68rem;letter-spacing:.26em;text-transform:uppercase;color:#9a8c72;margin-bottom:1rem}
.partners-row{display:flex;flex-wrap:wrap;gap:.8rem}
.partners-row span{border:1px solid rgba(237,229,216,.25);padding:.5rem 1.2rem;font-size:.85rem;letter-spacing:.08em;color:var(--cream)}

/* ---------- styles list ---------- */
.styles-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.style-card{border:1px solid var(--line);padding:2rem 1.6rem;background:var(--card);transition:all .3s}
.style-card:hover{border-color:var(--bronze)}
.style-card .no{font-size:.7rem;letter-spacing:.2em;color:var(--bronze-deep)}
.style-card h3{font-size:1.15rem;margin-top:.5rem;font-weight:600}

/* ---------- blog ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.blog-card{background:var(--card);border:1px solid var(--line);transition:transform .35s,box-shadow .35s;display:flex;flex-direction:column}
.blog-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(34,28,20,.1)}
.blog-card img{height:230px;width:100%;object-fit:cover}
.blog-body{padding:1.6rem 1.6rem 1.8rem;display:flex;flex-direction:column;gap:.7rem;flex:1}
.blog-tag{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--bronze-deep)}
.blog-card h3{font-size:1.12rem;font-weight:600;line-height:1.4}
.blog-card p{font-size:.88rem;color:var(--ink-soft);flex:1}
.blog-more{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);font-weight:500}
.blog-more span{color:var(--bronze)}

/* ---------- testimonial ---------- */
.testi{background:var(--bg-soft);text-align:center}
.testi blockquote{font-family:var(--serif);font-size:clamp(1.3rem,2.4vw,1.9rem);font-style:italic;max-width:840px;margin:1.8rem auto;line-height:1.5}
.testi .who{font-size:.85rem;letter-spacing:.1em;color:var(--ink-soft)}
.testi .pending{display:inline-block;margin-top:1.6rem;font-size:.74rem;color:var(--bronze-deep);border:1px dashed var(--bronze);padding:.5rem 1.1rem}

/* ---------- areas ---------- */
.areas-row{display:flex;flex-wrap:wrap;gap:.7rem}
.areas-row span{border:1px solid var(--line);padding:.55rem 1.2rem;font-size:.85rem;color:var(--ink-soft);background:var(--card)}
.areas-row span.hl{background:var(--ink);color:var(--cream);border-color:var(--ink)}

/* ---------- CTA form ---------- */
.cta-sec{background:var(--dark);color:var(--cream)}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:4.5rem;align-items:center}
.cta-grid h2{font-size:clamp(1.9rem,3.4vw,2.7rem);margin:1rem 0 1.2rem}
.cta-grid .cta-p{color:#b3a58c;font-size:.98rem;margin-bottom:2rem}
.cta-contact li{padding:.55rem 0;font-size:.95rem;color:#d8cdb9}
.cta-contact b{color:var(--cream);font-weight:500}
.form{background:rgba(246,241,232,.04);border:1px solid rgba(237,229,216,.18);padding:2.6rem}
.form h3{font-size:1.3rem;margin-bottom:1.6rem}
.f-row{margin-bottom:1.2rem}
.f-row label{display:block;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:#9a8c72;margin-bottom:.5rem}
.f-row input,.f-row select,.f-row textarea{width:100%;background:transparent;border:none;border-bottom:1px solid rgba(237,229,216,.3);padding:.7rem 0;color:var(--cream);font-family:var(--sans);font-size:.95rem;outline:none;transition:border .3s}
.f-row select option{color:var(--ink)}
.f-row input:focus,.f-row select:focus,.f-row textarea:focus{border-bottom-color:var(--bronze)}
.form .btn{width:100%;margin-top:1rem;border-color:var(--bronze-deep);background:var(--bronze-deep);color:#fff}
.form .btn:hover{background:var(--bronze)}
.form-note{font-size:.74rem;color:#9a8c72;margin-top:1rem;text-align:center}

/* ---------- footer ---------- */
.footer{background:#14100B;color:#a99b82;padding:4rem 0 2rem;font-size:.88rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:3rem;padding-bottom:2.6rem;border-bottom:1px solid rgba(237,229,216,.1)}
.footer h4{font-family:var(--serif);color:var(--cream);font-size:1.05rem;margin-bottom:1.1rem;font-weight:500}
.footer li{padding:.32rem 0}
.footer a:hover{color:var(--cream)}
.footer-brand .fb-name{font-family:var(--serif);font-size:1.3rem;color:var(--cream)}
.footer-brand .fb-name span{color:var(--bronze)}
.footer-brand p{margin-top:.8rem;max-width:330px}
.copy{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1.6rem;font-size:.76rem;color:#7d7159}

/* ---------- article page ---------- */
.article-hero{padding:4.5rem 0 3rem;max-width:780px;margin:0 auto}
.article-hero h1{font-size:clamp(1.9rem,3.6vw,2.8rem);margin:1rem 0}
.article-meta{font-size:.8rem;color:var(--ink-soft);letter-spacing:.06em}
.article-body{max-width:780px;margin:0 auto;padding-bottom:5rem;font-size:1.02rem}
.article-body img{margin:2.2rem 0}
.article-body h2{font-size:1.6rem;margin:2.6rem 0 1rem}
.article-body h3{font-size:1.2rem;margin:1.8rem 0 .7rem;font-weight:600}
.article-body p{margin-bottom:1.1rem;color:#3d3528}
.article-body ul{margin:0 0 1.2rem 1.2rem;list-style:disc;color:#3d3528}
.article-body li{margin-bottom:.4rem}
.callout{border-left:3px solid var(--bronze);background:var(--card);padding:1.4rem 1.6rem;margin:1.8rem 0;font-size:.95rem}
.faq-item{border:1px solid var(--line);background:var(--card);padding:1.3rem 1.5rem;margin-bottom:.8rem}
.faq-item h3{margin:0 0 .5rem;font-size:1.05rem}
.faq-item p{margin:0;font-size:.92rem}
.article-cta{background:var(--dark);color:var(--cream);padding:2.4rem;text-align:center;margin:3rem 0 0}
.article-cta h3{font-family:var(--serif);font-size:1.5rem;margin-bottom:.6rem}
.article-cta p{color:#b3a58c;margin-bottom:1.4rem}
.gallery-2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin:2rem 0}
.gallery-2 img{margin:0;height:300px;object-fit:cover;width:100%}
.img-note{font-size:.76rem;color:var(--ink-soft);text-align:center;margin-top:-1.6rem;margin-bottom:2rem}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .hero-grid,.why-grid,.ws-grid,.cta-grid,.video-grid{grid-template-columns:1fr;gap:2.6rem}
  .hero-visual .sub{left:auto;right:0;bottom:-40px}
  .sv-grid,.blog-grid,.pf-grid{grid-template-columns:repeat(2,1fr)}
  .styles-row{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-cta .btn{display:none}
  .sec{padding:4rem 0}
  .sv-grid,.blog-grid,.pf-grid{grid-template-columns:1fr}
  .pf-item{height:300px}
  .hero-visual .main{height:420px}
  .hero-visual .sub{display:none}
  .footer-grid{grid-template-columns:1fr}
  .mobile-menu{display:flex}
}
/* ---------- floating contact dock ---------- */
.dock{position:fixed;right:18px;bottom:24px;z-index:60;display:flex;flex-direction:column;gap:.6rem}
.dock a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;box-shadow:0 8px 24px rgba(34,28,20,.28);transition:transform .25s;text-decoration:none}
.dock a:hover{transform:translateY(-3px)}
.dock .d-call{background:var(--bronze-deep);color:#fff;animation:pulse 2.2s infinite}
.dock .d-zalo{background:#0068ff;color:#fff;font-size:.62rem;font-weight:700;letter-spacing:.02em}
.dock .d-top{background:var(--dark);color:var(--cream)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(169,126,69,.45)}70%{box-shadow:0 0 0 14px rgba(169,126,69,0)}100%{box-shadow:0 0 0 0 rgba(169,126,69,0)}}
.dockbar{display:none}
@media(max-width:680px){
  .dock{display:none}
  .dockbar{display:grid;grid-template-columns:1fr 1fr 1.3fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--dark);border-top:1px solid rgba(237,229,216,.15)}
  .dockbar a{padding:.95rem .5rem;text-align:center;font-size:.8rem;letter-spacing:.08em;color:var(--cream);font-weight:500}
  .dockbar a.b-cta{background:var(--bronze-deep);color:#fff;text-transform:uppercase;font-size:.74rem}
  body{padding-bottom:52px}
}

/* ---------- video section ---------- */
.video-sec{background:var(--bg-soft)}
.video-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:4rem;align-items:center}
.phone-frame{width:min(320px,80vw);margin:0 auto;background:var(--dark);border-radius:34px;padding:12px;box-shadow:0 36px 80px rgba(34,28,20,.3)}
.phone-frame video{width:100%;border-radius:24px;display:block;background:#000}
.video-points li{display:flex;gap:1rem;padding:.95rem 0;border-bottom:1px solid var(--line);font-size:.95rem;color:var(--ink-soft)}
.video-points li::before{content:"▸";color:var(--bronze)}
.video-note{font-size:.78rem;color:var(--bronze-deep);border:1px dashed var(--bronze);padding:.6rem 1rem;display:inline-block;margin-top:1.4rem}
@media(max-width:1024px){.video-grid{grid-template-columns:1fr;gap:2.6rem}}

/* ---------- FAQ ---------- */
.faq-sec details{background:var(--card);border:1px solid var(--line);margin-bottom:.7rem}
.faq-sec summary{cursor:pointer;padding:1.15rem 1.4rem;font-weight:500;font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq-sec summary::-webkit-details-marker{display:none}
.faq-sec summary::after{content:"+";font-family:var(--serif);font-size:1.4rem;color:var(--bronze);transition:transform .25s}
.faq-sec details[open] summary::after{transform:rotate(45deg)}
.faq-sec .faq-a{padding:0 1.4rem 1.2rem;color:var(--ink-soft);font-size:.93rem}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;background:rgba(20,16,11,.94);z-index:200;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1rem;opacity:0;pointer-events:none;transition:opacity .3s}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox img{max-width:92vw;max-height:80vh;object-fit:contain;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox .lb-cap{color:var(--cream);font-size:.9rem;letter-spacing:.04em}
.lightbox .lb-close{position:absolute;top:1.2rem;right:1.6rem;font-size:2.2rem;color:var(--cream);background:none;border:none;cursor:pointer;line-height:1}

/* ---------- breadcrumb + TOC ---------- */
.breadcrumb{font-size:.78rem;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:1.2rem}
.breadcrumb a{color:var(--bronze-deep)}
.toc{background:var(--card);border:1px solid var(--line);padding:1.3rem 1.6rem;margin:1.8rem 0}
.toc .toc-t{font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--bronze-deep);margin-bottom:.7rem}
.toc ol{margin:0 0 0 1.1rem;padding:0}
.toc li{font-size:.9rem;padding:.22rem 0}
.toc a{color:var(--ink);border-bottom:1px solid transparent}
.toc a:hover{color:var(--bronze-deep)}

.mobile-menu{display:none;position:fixed;inset:0;background:rgba(20,16,11,.97);z-index:99;flex-direction:column;align-items:center;justify-content:center;gap:2rem;opacity:0;pointer-events:none;transition:opacity .3s}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{color:var(--cream);font-family:var(--serif);font-size:1.5rem}
.mobile-menu .close{position:absolute;top:1.4rem;right:1.6rem;font-size:2rem;color:var(--cream);background:none;border:none;cursor:pointer}

/* ---------- vá theo phản biện QC vòng 3 ---------- */
@media(max-width:680px){.f-row input,.f-row select,.f-row textarea{font-size:1rem}}
@media(hover:none){.pf-cap{opacity:1;transform:none;background:linear-gradient(transparent,rgba(20,16,11,.78))}}
.chip{min-height:44px}
.cta-strip{background:var(--dark);padding:1.6rem 0}
.cta-strip-in{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.cta-strip p{font-family:var(--serif);font-size:1.25rem;color:var(--cream);margin:0}
.cta-strip-btns{display:flex;gap:.8rem;flex-wrap:wrap}
.cta-strip .btn{border-color:rgba(237,229,216,.4);color:var(--cream)}
.cta-strip .btn.btn-bronze{border-color:transparent}
.article-cta-btns{display:flex;gap:.8rem;flex-wrap:wrap;justify-content:center}
.lead-magnet{background:var(--bg-soft);border:1px solid var(--bronze);padding:1.4rem 1.6rem;margin:2rem 0;display:flex;align-items:center;justify-content:space-between;gap:1.2rem;flex-wrap:wrap}
.lead-magnet p{margin:0;font-size:.95rem}
.lead-magnet .btn{white-space:nowrap}
@media(prefers-reduced-motion:reduce){.reveal{transition:none;opacity:1;transform:none}.marquee-track{animation:none}.dock .d-call{animation:none}}

/* ---------- pricing + estimator ---------- */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.3rem;margin-bottom:2.6rem}
.price-card{background:var(--card);border:1px solid var(--line);padding:2rem 1.7rem;text-align:left}
.price-card .pc-type{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--bronze-deep);font-weight:500}
.price-card .pc-num{font-family:var(--serif);font-size:1.9rem;margin:.8rem 0 .5rem;color:var(--ink)}
.price-card .pc-num span{font-size:.95rem;color:var(--bronze-deep);font-style:italic}
.price-card .pc-des{font-size:.84rem;color:var(--ink-soft)}
.estimator{background:var(--bg-soft);border:1px solid var(--line);padding:2.2rem 2rem}
.estimator h3{font-size:1.3rem;margin-bottom:1.2rem}
.est-row{display:flex;gap:.8rem;flex-wrap:wrap}
.est-row select,.est-row input{padding:.85rem 1rem;border:1px solid var(--line);background:var(--card);font-family:var(--sans);font-size:1rem;color:var(--ink);min-width:230px}
.est-result{display:none;margin-top:1.4rem;padding:1.1rem 1.4rem;background:var(--card);border-left:3px solid var(--bronze);font-size:1.05rem}
.est-result .est-sub{font-size:.82rem;color:var(--ink-soft)}
.est-note{font-size:.84rem;color:var(--ink-soft);margin-top:1.2rem}
.est-note a{color:var(--bronze-deep)}
@media(max-width:1024px){.price-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.price-grid{grid-template-columns:1fr}.est-row select,.est-row input{width:100%}}

/* ============================================================
   LỚP SANG TRỌNG + PHONG THỦY (mệnh Thổ — nhấn Hỏa terracotta)
   ============================================================ */
/* đường chỉ vàng đồng dưới tiêu đề section */
.sec-head h2::after{content:"";display:block;width:64px;height:2px;margin-top:1.1rem;background:linear-gradient(90deg,var(--gold),var(--terra))}
.sec-head.center h2::after{margin-left:auto;margin-right:auto}
/* nhấn terracotta cho eyebrow chọn lọc */
.label.fire::before{background:var(--terra)}
.label.fire{color:var(--terra-deep)}
/* nút chính: nền đồng sâu, viền vàng mảnh, hover ấm lên */
.btn-bronze{background:var(--bronze-deep);border-color:var(--gold);color:#fff;box-shadow:0 6px 20px rgba(126,94,51,.22)}
.btn-bronze:hover{background:var(--terra-deep);border-color:var(--terra);box-shadow:0 10px 28px rgba(143,74,44,.3)}
/* thẻ dịch vụ + giá: viền vàng mảnh khi hover, đổ bóng ấm */
.sv-card:hover,.price-card:hover{box-shadow:0 26px 52px rgba(126,94,51,.14);border-color:var(--gold-line)}
.price-card{transition:box-shadow .35s,border-color .35s,transform .35s}
.price-card:hover{transform:translateY(-4px)}
.price-card .pc-num{color:var(--terra-deep)}
/* stat số: gradient đồng→terracotta */
.stat .num{background:linear-gradient(120deg,var(--ink),var(--terra-deep));-webkit-background-clip:text;background-clip:text}
.stat .num span{color:var(--terra)}
/* marquee kim cương sang đồng vàng */
.marquee-track i{color:var(--gold)}

/* ---------- dải ảnh full-bleed (parallax cảm giác) ---------- */
.fullbleed{position:relative;height:clamp(340px,52vh,560px);background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;text-align:center}
.fullbleed::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,19,11,.55),rgba(26,19,11,.68))}
.fullbleed .fb-in{position:relative;z-index:2;max-width:760px;padding:2rem;color:var(--cream)}
.fullbleed .fb-label{font-size:.7rem;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem}
.fullbleed .fb-q{font-family:var(--serif);font-size:clamp(1.6rem,3.4vw,2.7rem);line-height:1.32;font-weight:500}
.fullbleed .fb-q em{font-style:italic;color:var(--gold)}
.fullbleed .fb-by{margin-top:1.2rem;font-size:.82rem;letter-spacing:.12em;color:#cdbfa8}


/* ---------- lookbook gallery rộng ---------- */
.lookbook{display:grid;grid-template-columns:repeat(4,1fr);gap:.7rem;margin-top:1rem}
.lookbook a{position:relative;overflow:hidden;display:block;height:230px}
.lookbook img{width:100%;height:100%;object-fit:cover;transition:transform .9s ease}
.lookbook a:hover img{transform:scale(1.07)}
.lookbook a.wide{grid-column:span 2}
.lookbook .lb-tag{position:absolute;left:0;bottom:0;background:linear-gradient(transparent,rgba(26,19,11,.82));color:var(--cream);font-size:.78rem;letter-spacing:.04em;padding:1.4rem .9rem .7rem;width:100%}
@media(max-width:860px){.lookbook{grid-template-columns:repeat(2,1fr)}.lookbook a.wide{grid-column:span 2}}
@media(max-width:480px){.lookbook a{height:190px}}

/* ---------- vá tràn ngang trên điện thoại (QC đa thiết bị 11/06) ---------- */
html,body{overflow-x:hidden}
@media(max-width:680px){
  .hero-visual .frame{right:0;top:-10px}
  .why-badge{right:0}
}

/* ============================================================
   HỆ THỐNG DỰNG LẠI — GIỐNG GU NỘI THẤT VN (căn giữa, liền mạch)
   Giữ palette ấm; sửa "rời rạc/lệch lạc" theo spec 11/06
   ============================================================ */
/* NT1+NT2: mọi tiêu đề mục CĂN GIỮA + gạch dưới đồng→terracotta */
.sec-head{max-width:780px;margin:0 auto 3.2rem;text-align:center}
.sec-head .label{justify-content:center}
.sec-head h2::after{margin-left:auto;margin-right:auto}
/* NT4: label bỏ gạch trái lủng lẳng, căn giữa */
.sec-head .label::before{display:none}
.sec-head .label{display:block;letter-spacing:.28em}
/* NT5: bỏ nghiêng tiêu đề tiếng Việt — nhấn bằng màu + đậm */
.em{font-style:normal;color:var(--terra-deep);font-weight:600}
.hero h1 .line2{font-style:normal}
.sec-head h2 .em,.hero h1 .line2{font-style:normal}
/* NT7: nút chính terracotta đặc, chữ thường dễ đọc, lặp đều */
.btn-bronze{background:var(--terra);border-color:var(--terra);color:#fff;text-transform:none;letter-spacing:.02em;font-size:.92rem;padding:.95rem 2.3rem;font-weight:500;border-radius:2px}
.btn-bronze:hover{background:var(--terra-deep);border-color:var(--terra-deep);color:#fff}
/* NT6: nền section xen kẽ */
.sec.alt{background:var(--bg-soft)}
/* HERO stats to hơn, liền khối */
.stats{margin-top:3rem;background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:none}
.stat .num{font-size:3rem}
/* SERVICE CARD có ảnh (giống Tứ Gia: ảnh trên, tên dưới) */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.svc-card{background:var(--card);border:1px solid var(--line);overflow:hidden;transition:transform .35s,box-shadow .35s;text-align:center}
.svc-card:hover{transform:translateY(-5px);box-shadow:0 22px 44px rgba(126,94,51,.15)}
.svc-card .svc-img{height:180px;overflow:hidden}
.svc-card .svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.svc-card:hover .svc-img img{transform:scale(1.06)}
.svc-card .svc-b{padding:1.3rem 1rem}
.svc-card h3{font-size:1.08rem;font-weight:600;margin-bottom:.3rem}
.svc-card p{font-size:.82rem;color:var(--ink-soft)}
/* PROJECT CARD có thông số (m² · phòng · phong cách) */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.proj-card{position:relative;overflow:hidden;cursor:pointer;background:var(--dark)}
.proj-card .pc-img{height:280px;overflow:hidden}
.proj-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s,opacity .4s}
.proj-card:hover img{transform:scale(1.07);opacity:.82}
.proj-card .pc-info{position:absolute;left:0;right:0;bottom:0;padding:1.5rem 1.2rem .9rem;background:linear-gradient(transparent,rgba(20,14,8,.9));color:var(--cream)}
.proj-card .pc-name{font-family:var(--serif);font-size:1.12rem;font-weight:500;margin-bottom:.25rem}
.proj-card .pc-meta{font-size:.76rem;letter-spacing:.04em;color:#d8c8ad}
.proj-card .pc-meta b{color:var(--gold);font-weight:500}
/* STYLE CARD có ảnh (bỏ khối chữ trống) */
.styles-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.style-card{position:relative;height:200px;overflow:hidden;color:var(--cream)}
.style-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.style-card:hover img{transform:scale(1.07)}
.style-card .st-cap{position:absolute;inset:0;display:flex;align-items:flex-end;padding:1rem;background:linear-gradient(transparent,rgba(20,14,8,.78))}
.style-card .st-cap h3{font-size:1.02rem;font-weight:600}
.style-card .no{display:none}
/* dải CTA terracotta giữa trang */
.cta-strip{background:linear-gradient(120deg,var(--terra-deep),var(--terra))}
.cta-strip p{color:#fff}
.cta-strip .btn{border-color:rgba(255,255,255,.6);color:#fff}
.cta-strip .btn.btn-bronze{background:#fff;color:var(--terra-deep);border-color:#fff}
@media(max-width:980px){.svc-grid{grid-template-columns:repeat(2,1fr)}.proj-grid{grid-template-columns:repeat(2,1fr)}.styles-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.svc-grid,.proj-grid,.styles-row{grid-template-columns:1fr 1fr}.svc-card .svc-img{height:130px}.proj-card .pc-img{height:200px}.style-card{height:150px}.stat .num{font-size:2rem}}

/* ---------- lightbox dạng bộ sưu tập (gallery) ---------- */
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:54px;height:54px;border:none;border-radius:50%;background:rgba(255,253,248,.92);color:var(--ink);font-size:2rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s;z-index:210}
.lb-nav:hover{background:#fff;transform:translateY(-50%) scale(1.08)}
.lb-prev{left:3vw}.lb-next{right:3vw}
.lb-cap{font-size:.95rem;letter-spacing:.04em}
@media(max-width:680px){.lb-nav{width:44px;height:44px;font-size:1.6rem}.lb-prev{left:8px}.lb-next{right:8px}}
/* nhãn số ảnh trên card dự án */
.proj-card{position:relative}
.proj-card[data-count-img]::after{content:"❏ " attr(data-count-img) " ảnh";position:absolute;top:.7rem;right:.7rem;z-index:3;background:rgba(20,14,8,.66);color:#fff;font-size:.72rem;letter-spacing:.03em;padding:.28rem .6rem;border-radius:3px;backdrop-filter:blur(2px);pointer-events:none}

/* ============================================================
   HERO FULL MÀN (impact như Tứ Gia, gu S-HOME) + CHAT WIDGET
   ============================================================ */
.hero-full{position:relative;min-height:92vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;color:#fff}
.hero-full .hf-bg{position:absolute;inset:0;background-size:cover;background-position:center;animation:kenburns 18s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.08)}}
.hero-full::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,13,7,.78) 0%,rgba(20,13,7,.45) 45%,rgba(20,13,7,.25) 100%);z-index:1}
.hero-full .hf-in{position:relative;z-index:2;padding:7rem 0 5rem}
.hero-full .label{color:var(--gold)}
.hero-full h1{font-size:clamp(2.6rem,5.6vw,4.6rem);color:#fff;margin:1.1rem 0 1.2rem;max-width:820px;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero-full h1 .line2{display:block;color:var(--gold)}
.hero-full .hf-desc{max-width:600px;font-size:1.08rem;color:#F2E9DB;margin-bottom:2rem;text-shadow:0 1px 12px rgba(0,0,0,.4)}
.hero-full .hero-actions .btn{font-size:.95rem}
.hero-full .btn-ghost{border:1px solid rgba(255,255,255,.75);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(3px)}
.hero-full .btn-ghost:hover{background:#fff;color:var(--ink)}
.hf-meet{display:block;margin-top:1.6rem;font-size:.92rem;color:#EAD9BF;max-width:640px;line-height:1.7}
.hf-meet b{color:#fff;font-weight:500}
.hf-trust{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.22);background:rgba(15,10,5,.35);backdrop-filter:blur(6px)}
.hf-trust .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.hf-trust .tr-item{padding:1.15rem 1rem;text-align:center;border-right:1px solid rgba(255,255,255,.14);font-size:.86rem;letter-spacing:.04em;color:#EFE3CE}
.hf-trust .tr-item:last-child{border-right:none}
.hf-trust .tr-item b{display:block;font-family:var(--serif);font-size:1.5rem;color:#fff;font-weight:500}
.hf-trust .tr-item b span{color:var(--gold)}
@media(max-width:860px){.hero-full{min-height:86vh}.hf-trust .container{grid-template-columns:repeat(2,1fr)}.hf-trust .tr-item:nth-child(2){border-right:none}}

/* testimonial cards thật */
.testi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;max-width:1180px;margin:0 auto}
.testi-card{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--gold);padding:1.6rem 1.4rem;text-align:left}
.testi-card .tc-proj{font-family:var(--serif);font-size:1.05rem;font-weight:600;margin-bottom:.4rem}
.testi-card .tc-who{font-size:.84rem;color:var(--ink-soft);margin-bottom:.7rem}
.testi-card .tc-note{font-size:.88rem;color:var(--ink-soft)}
.testi-card .tc-note b{color:var(--terra-deep);font-weight:600}
@media(max-width:980px){.testi-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.testi-grid{grid-template-columns:1fr}}

/* chat widget nổi "có người trực" */
.chatw{position:fixed;right:18px;bottom:88px;z-index:70;width:280px;max-height:min(60vh,420px);overflow:auto;background:#fff;border-radius:14px;box-shadow:0 18px 60px rgba(20,13,7,.35);overflow:hidden;transform:translateY(14px);opacity:0;pointer-events:none;transition:all .35s}
.chatw.open{transform:none;opacity:1;pointer-events:auto}
.chatw .cw-head{display:flex;align-items:center;gap:.7rem;background:var(--dark);color:var(--cream);padding:.8rem 1rem}
.chatw .cw-head img{width:38px;height:38px;border-radius:50%;background:#fff;object-fit:contain;padding:3px}
.chatw .cw-head .cw-t{font-size:.9rem;font-weight:600}
.chatw .cw-head .cw-s{font-size:.72rem;color:#9fd49f;display:flex;align-items:center;gap:.3rem}
.chatw .cw-head .cw-s::before{content:"";width:7px;height:7px;border-radius:50%;background:#3ddc6a}
.chatw .cw-close{margin-left:auto;background:none;border:none;color:#cbb89a;font-size:1.2rem;cursor:pointer;padding:.2rem .4rem}
.chatw .cw-body{padding:1rem;font-size:.88rem;color:var(--ink)}
.chatw .cw-msg{background:var(--bg-soft);border-radius:10px;padding:.7rem .9rem;margin-bottom:.9rem}
.chatw .cw-btns{display:grid;gap:.5rem}
.chatw .cw-btns a{display:block;text-align:center;padding:.7rem;border-radius:8px;font-size:.88rem;font-weight:500}
.chatw .cw-zalo{background:#0068ff;color:#fff}
.chatw .cw-call{border:1.5px solid var(--terra);color:var(--terra-deep)}
@media(max-width:680px){.chatw{right:10px;bottom:64px;width:calc(100vw - 20px);max-width:320px}}