/* VTN Craft — trang chủ. Một chủ đề sáng có chủ đích (site bán hàng), mọi màu lấy từ token. */
@font-face{font-family:"Archivo";font-style:normal;font-weight:600 900;font-stretch:62% 100%;font-display:swap;src:url(fonts/archivo-var-latin.woff2) format("woff2")}
@font-face{font-family:"Be Vietnam Pro";font-weight:400;font-display:swap;src:url(fonts/be-vietnam-pro-400-latin.woff2) format("woff2")}
@font-face{font-family:"Be Vietnam Pro";font-weight:600;font-display:swap;src:url(fonts/be-vietnam-pro-600-latin.woff2) format("woff2")}
@font-face{font-family:"Be Vietnam Pro";font-weight:700;font-display:swap;src:url(fonts/be-vietnam-pro-700-latin.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-weight:500;font-display:swap;src:url(fonts/jetbrains-mono-500-latin.woff2) format("woff2")}

:root{
  --paper:#f4f5f7; --white:#ffffff; --ink:#0f1520; --ink-2:#2a3342; --muted:#5b6474; --line:#dde1e7;
  --blue:#1d3fd1; --blue-ink:#14299a; --uv:#d4147a; --cyan:#00a3e0; --yellow:#ffd400;
  --night:#0d1426;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1200px; --r:10px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--f-body)}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--f-display);margin:0;text-wrap:balance;line-height:1.02}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.label{font:500 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.label.uv{color:var(--uv)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:6px;z-index:100}
.skip:focus{left:8px}

/* Nút */
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px/1 var(--f-body);text-decoration:none;border-radius:8px;padding:14px 20px;border:1.5px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,transform .15s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-ink)}
.btn-line{border-color:#b9c0cc;color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--ink)}
.btn-sm{padding:10px 14px;font-size:14px}

/* Đầu trang */
.topline{background:var(--ink);color:#c9d0dc;font:500 12px/1.4 var(--f-mono);letter-spacing:.04em}
.topline .wrap{display:flex;justify-content:space-between;gap:12px;padding-block:8px;flex-wrap:wrap}
.topline b{color:#fff;font-weight:500}
.nav{position:sticky;top:0;z-index:50;background:rgba(244,245,247,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:900 22px/1 var(--f-display);font-stretch:72%;letter-spacing:.03em}
.logo-mark{width:30px;height:30px;flex:none}
.logo span{color:var(--uv)}
.nav-links{display:flex;gap:26px;font-size:14px;font-weight:600;color:var(--ink-2)}
.nav-links a{text-decoration:none}
.nav-links a:hover{color:var(--blue)}

/* Hero */
.hero{padding-block:clamp(40px,6vw,80px) clamp(40px,5vw,64px)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:center}
.hero h1{font-size:clamp(44px,7.4vw,96px);font-weight:900;font-stretch:66%;text-transform:uppercase;letter-spacing:-.005em;line-height:.92}
.hero h1 em{font-style:normal;color:var(--uv);display:block}
.hero-sub{font-size:clamp(17px,1.6vw,19px);color:var(--ink-2);max-width:34em;margin-top:22px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:12px 36px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.facts b{display:block;font:900 30px/1 var(--f-display);font-stretch:75%;margin-bottom:6px;font-variant-numeric:tabular-nums}
.facts span{font-size:13px;color:var(--muted)}

/* Ghép ảnh như tấm mica trên bàn máy in */
.bed{position:relative;background:var(--night);border-radius:14px;padding:clamp(14px,2vw,22px);background-image:linear-gradient(rgba(140,160,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(140,160,255,.09) 1px,transparent 1px);background-size:22px 22px;box-shadow:0 30px 60px -30px rgba(13,20,38,.6)}
.bed-grid{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:clamp(54px,6.4vw,82px);gap:clamp(8px,1.2vw,12px)}
.bed-grid figure{margin:0;border-radius:8px;overflow:hidden;position:relative;background:#1b2440}
.bed-grid img{width:100%;height:100%;object-fit:cover}
.bed-grid .a{grid-column:1/5;grid-row:1/4}
.bed-grid .b{grid-column:5/7;grid-row:1/3}
.bed-grid .c{grid-column:5/7;grid-row:3/5}
.bed-grid .d{grid-column:1/3;grid-row:4/6}
.bed-grid .e{grid-column:3/5;grid-row:4/6}
.bed-grid .f{grid-column:5/7;grid-row:5/6}
.bed-grid .f{display:flex;align-items:center;justify-content:center;background:transparent;border:1.5px dashed rgba(207,214,255,.4)}
.bed-grid .f span{font:500 11px/1.3 var(--f-mono);color:#cfd6ff;text-align:center;padding:6px}
.reg{position:absolute;width:18px;height:18px}
.reg::before,.reg::after{content:"";position:absolute;background:#cfd6ff;opacity:.7}
.reg::before{left:8px;top:0;width:2px;height:18px}
.reg::after{top:8px;left:0;height:2px;width:18px}
.reg.tl{top:-26px;left:-26px}.reg.br{bottom:-26px;right:-26px}
.bed-caption{position:absolute;left:clamp(14px,2vw,22px);top:-12px;transform:translateY(-100%);font:500 11px/1 var(--f-mono);color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.head-line{position:absolute;left:0;right:0;height:3px;background:var(--uv);box-shadow:0 0 18px 4px rgba(212,20,122,.45);top:20%;animation:sweep 6s ease-in-out infinite alternate;pointer-events:none}
@keyframes sweep{to{top:82%}}

/* Dải năng lực máy */
.machines{background:var(--ink);color:#fff}
.machines .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.machines div{padding:26px 22px;border-right:1px solid rgba(255,255,255,.12)}
.machines div:last-child{border-right:0}
.machines b{display:block;font:800 19px/1.15 var(--f-display);font-stretch:85%;margin-bottom:6px}
.machines span{font-size:14px;color:#b7c0cf}
.machines i{display:block;width:22px;height:4px;border-radius:2px;margin-bottom:14px}

/* Khung mục */
section.block{padding-block:clamp(64px,8vw,104px)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-head h2{font-size:clamp(34px,4.6vw,56px);font-weight:900;font-stretch:70%;text-transform:uppercase;margin-top:12px}
.sec-head p{max-width:30em;color:var(--muted)}

/* Sản phẩm */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;text-decoration:none;transition:transform .2s,box-shadow .2s}
.product:hover{transform:translateY(-3px);box-shadow:0 18px 30px -22px rgba(15,21,32,.45)}
.product .ph{aspect-ratio:4/3;overflow:hidden;background:#e9ecf1}
.product .ph img{width:100%;height:100%;object-fit:cover}
.product .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.product h3{font-size:24px;font-weight:800;font-stretch:78%;text-transform:uppercase}
.product p{font-size:14px;color:var(--muted)}
.product .spec{margin-top:auto;padding-top:12px;display:flex;gap:16px;flex-wrap:wrap;font:500 12px/1 var(--f-mono);color:var(--ink-2)}
.product .spec span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--uv);margin-right:6px;vertical-align:1px}

/* Quy trình */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink)}
.step{padding:24px 24px 8px 0;display:flex;flex-direction:column;gap:10px}
.step + .step{padding-left:24px;border-left:1px solid var(--line)}
.step .n{font:900 56px/1 var(--f-display);font-stretch:62%;color:var(--blue)}
.step h3{font-size:22px;font-weight:800;font-stretch:80%;text-transform:uppercase}
.step p{font-size:15px;color:var(--muted)}
.step small{font:500 12px/1.4 var(--f-mono);color:var(--uv)}

/* Xưởng */
.workshop{background:var(--white);border-block:1px solid var(--line)}
.workshop .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:center}
.workshop-photo{border-radius:var(--r);overflow:hidden;aspect-ratio:16/9;max-width:100%;border:1px solid var(--line)}
.workshop-photo img{width:100%;height:100%;object-fit:cover;background:#fff}
.workshop h2{font-size:clamp(32px,4vw,48px);font-weight:900;font-stretch:70%;text-transform:uppercase;margin-block:12px 18px}
.workshop p{color:var(--ink-2);margin-bottom:14px;max-width:36em}
.checks{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.checks li{display:grid;grid-template-columns:22px 1fr;gap:10px;font-size:15px}
.checks li::before{content:"";width:18px;height:18px;margin-top:3px;border-radius:50%;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.5l2.6 2.5L13 6.5' fill='none' stroke='white' stroke-width='2'/%3E%3C/svg%3E")}

/* Bảng thông số */
.specs{overflow-x:auto;background:var(--white);border:1px solid var(--line);border-radius:var(--r)}
.specs table{border-collapse:collapse;width:100%;min-width:720px;font-size:15px}
.specs th,.specs td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.specs thead th{font:500 12px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:#f8f9fb}
.specs tbody th{font:800 18px/1.1 var(--f-display);font-stretch:82%;text-transform:uppercase}
.specs tr:last-child th,.specs tr:last-child td{border-bottom:0}
.specs td{color:var(--ink-2);font-variant-numeric:tabular-nums}

/* Form báo giá */
.quote{background:var(--night);color:#fff;position:relative;overflow:hidden}
.quote::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(140,160,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(140,160,255,.07) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}
.quote .wrap{position:relative;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,64px)}
.quote h2{font-size:clamp(36px,5vw,60px);font-weight:900;font-stretch:66%;text-transform:uppercase;margin-block:12px 18px}
.quote .label{color:#aab4ff}
.quote-intro p{color:#c3cad8;max-width:30em}
.promise{margin-top:28px;display:grid;gap:14px}
.promise div{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:baseline}
.promise b{font:900 26px/1 var(--f-display);font-stretch:72%;color:var(--yellow);min-width:72px}
.promise span{color:#c3cad8;font-size:15px}
form.qf{background:var(--white);color:var(--ink);border-radius:14px;padding:clamp(20px,3vw,32px);display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qf .full{grid-column:1/-1}
.qf label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--ink-2)}
.qf label small{font-weight:400;color:var(--muted)}
.qf input,.qf select,.qf textarea{font:15px/1.4 var(--f-body);color:var(--ink);background:#fff;border:1.5px solid #cdd3dc;border-radius:8px;padding:11px 12px;width:100%}
.qf input:focus,.qf select:focus,.qf textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(29,63,209,.15)}
.qf textarea{min-height:96px;resize:vertical}
.qf .field{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--ink-2);min-width:0}

/* Ô chọn quốc gia gõ để tìm */
.cbox{position:relative}
.cbox input{padding-right:34px}
.cbox-caret{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.cbox-list{position:absolute;z-index:20;left:0;right:0;top:calc(100% + 4px);margin:0;padding:4px;list-style:none;background:#fff;border:1.5px solid #cdd3dc;border-radius:8px;box-shadow:0 14px 30px -12px rgba(15,21,32,.35);max-height:260px;overflow-y:auto;overscroll-behavior:contain}
.cbox-list li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 10px;border-radius:6px;font:400 15px/1.3 var(--f-body);color:var(--ink);cursor:pointer}
.cbox-list li small{font:500 11px/1 var(--f-mono);color:var(--muted)}
.cbox-list li mark{background:none;color:var(--blue);font-weight:700}
.cbox-list li[aria-selected="true"]{background:#eef1fb}
.cbox-list .group{font:500 11px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:10px 10px 6px;cursor:default}
.cbox-list .empty{color:var(--muted);cursor:default}
.qf input[aria-invalid="true"]{border-color:#c2183f}
.drop{border:1.5px dashed #b0b8c6;border-radius:10px;padding:18px;display:flex;gap:14px;align-items:center;cursor:pointer;background:#f8f9fb;transition:border-color .15s,background .15s}
.drop:hover,.drop.over{border-color:var(--blue);background:#eef1fb}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.drop svg{flex:none}
.drop div{font-size:14px;color:var(--muted)}
.drop b{color:var(--ink)}
.files{list-style:none;padding:0;margin:6px 0 0;font:500 12px/1.6 var(--f-mono);color:var(--ink-2)}
.qf .actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.qf .fine{font-size:12px;color:var(--muted)}
.qf-status{grid-column:1/-1;border-radius:8px;padding:12px 14px;font-size:14px}
.qf-status.ok{background:#e7f6ee;color:#0f5c37}
.qf-status.err{background:#fdecef;color:#8a1230}

/* Ảnh đơn đã làm */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:14px}
.gallery figure{margin:0;border-radius:var(--r);overflow:hidden;position:relative;background:#e9ecf1}
.gallery img{width:100%;height:100%;object-fit:cover}
.gallery figcaption{position:absolute;left:10px;bottom:10px;font:500 11px/1.2 var(--f-mono);background:rgba(15,21,32,.72);color:#fff;padding:6px 8px;border-radius:5px}
.gallery .tall{grid-row:span 2}
.gallery .wide{grid-column:span 2}

/* FAQ */
.faq{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,64px)}
.faq details{border-bottom:1px solid var(--line);padding-block:18px}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;font-weight:700;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 24px/1 var(--f-mono);color:var(--blue);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:10px;color:var(--ink-2);max-width:42em}

/* Chân trang */
footer.site{background:var(--ink);color:#b7c0cf;font-size:14px}
footer.site .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-block:56px 32px}
footer.site h4{font:500 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:#fff;margin:0 0 14px}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer.site a{text-decoration:none}
footer.site a:hover{color:#fff}
footer.site .logo{color:#fff;margin-bottom:14px}
.legal{border-top:1px solid rgba(255,255,255,.12);grid-column:1/-1;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px}

/* Thanh nút dính dưới trên điện thoại */
.mbar{display:none}

@media (max-width:1020px){
  .nav-links{display:none}
  .products{grid-template-columns:repeat(2,1fr)}
  .machines .wrap{grid-template-columns:repeat(2,1fr)}
  .machines div:nth-child(2){border-right:0}
  .machines div:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.12)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(3){padding-left:0;border-left:0}
  .gallery{grid-template-columns:repeat(2,1fr)}
  footer.site .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .hero .wrap,.workshop .wrap,.quote .wrap,.faq{grid-template-columns:1fr}
  .reg{display:none}
  .bed{margin-top:28px}
}
@media (max-width:560px){
  body{padding-bottom:76px}
  .topline .wrap span:last-child{display:none}
  .nav .btn{display:none}
  .facts{grid-template-columns:repeat(3,1fr);gap:10px}
  .facts b{font-size:24px}
  .products{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step,.step + .step{padding-left:0;border-left:0;border-bottom:1px solid var(--line);padding-bottom:20px}
  form.qf{grid-template-columns:1fr}
  .gallery{grid-auto-rows:160px}
  footer.site .wrap{grid-template-columns:1fr}
  .mbar{display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));background:rgba(244,245,247,.96);border-top:1px solid var(--line)}
  .mbar .btn{flex:1;justify-content:center}
  body:has(.qf :focus) .mbar{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}