/* Dương Gia — xnkduonggia.vn · giao diện chung (phương án A: đen than · kem · vàng đồng) */
:root{
  --ink:#1F1D1A; --char:#232220; --char-2:#2B2A27; --char-3:#1A1917; --line-d:#3B3834; --line-d2:#5A554C;
  --cream:#F3EDE0; --cream-2:#EAE2D1; --paper:#FBF8F1; --line:#D9CFBB; --line-2:#B9AD95; --row:#E6DECB;
  --brass:#B8892B; --brass-l:#D4A94A; --brass-ink:#8A6515;
  --muted:#6B655B; --muted-d:#B9B1A2; --soft-d:#D6CFC0; --text-2:#3B3834;
  --ok:#2F6B3E; --ok-d:#7FBE8E; --warn:#8F5410; --warn-d:#E3A35F; --off-d:#8C877D;
  --disp:"Barlow Condensed","Arial Narrow",Impact,sans-serif;
  --body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brass-ink);text-decoration:none}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px}
[hidden]{display:none!important}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;background:var(--brass);color:var(--ink);padding:10px 16px;z-index:100;font-weight:600}
.skip:focus{left:12px;top:12px}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(40px,env(safe-area-inset-left,0px));padding-right:max(40px,env(safe-area-inset-right,0px))}
.disp{font-family:var(--disp);text-transform:uppercase;line-height:1;letter-spacing:.01em;font-weight:700;margin:0;text-wrap:balance}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brass-ink);margin:0 0 12px}
.dark{background:var(--char);color:var(--cream)}
.dark .eyebrow{color:var(--brass-l)}
.dark a{color:var(--cream)}
.muted{color:var(--muted)}
.dark .muted{color:var(--muted-d)}
.num{font-variant-numeric:tabular-nums}

/* nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;font-weight:600;font-size:14px;letter-spacing:.04em;text-transform:uppercase;border:1px solid transparent;cursor:pointer;font-family:inherit;text-decoration:none;white-space:nowrap;transition:background .15s,color .15s,border-color .15s}
.btn-pri{background:var(--brass);color:var(--ink)}
.btn-pri:hover{background:var(--brass-l);color:var(--ink)}
.btn-ghost{background:transparent;border-color:var(--cream);color:var(--cream)}
.dark .btn-ghost{color:var(--cream)}
.btn-ghost:hover{background:var(--cream);color:var(--ink)}
.dark .btn-ghost:hover{color:var(--ink)}
.btn-ink{background:var(--ink);color:var(--cream)}
.btn-ink:hover{background:#3B3834;color:var(--cream)}
.btn-line{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--cream)}
.btn[disabled]{opacity:.6;cursor:progress}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.link-more{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}

/* đầu trang */
.topbar{background:var(--char-3);color:var(--muted-d);font-size:12.5px;letter-spacing:.04em}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;min-height:36px;align-items:center;flex-wrap:wrap}
.topbar b{color:var(--cream);font-weight:600}
.topbar a{color:var(--cream)}
.nav{background:var(--char);border-bottom:1px solid var(--line-d);position:sticky;top:0;z-index:50}
.nav .wrap{display:flex;align-items:center;gap:24px;min-height:76px}
.nav .logo img{height:40px;width:auto}
.nav .menu{display:flex;gap:24px;margin:0 0 0 auto;list-style:none;padding:0}
.nav .menu a{font-size:14px;font-weight:500;color:var(--cream);padding:8px 0;border-bottom:2px solid transparent;white-space:nowrap}
.nav .menu a:hover,.nav .menu a[aria-current="page"]{border-color:var(--brass);color:var(--cream)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line-d);color:var(--cream);width:48px;height:48px;align-items:center;justify-content:center;cursor:pointer}
.drawer{background:var(--char);border-top:1px solid var(--line-d)}
.drawer ul{list-style:none;margin:0;padding:8px 0 16px}
.drawer li a{display:block;padding:12px 0;color:var(--cream);font-size:16px;font-weight:500;border-bottom:1px solid var(--line-d)}
.drawer .btn{margin-top:14px;width:100%}

/* hero trang chủ */
.hero{position:relative;overflow:hidden;background:var(--char-3);color:var(--cream)}
.hero picture,.hero .bg{position:absolute;inset:0;width:100%;height:100%}
.hero .bg{object-fit:cover;object-position:72% 50%;opacity:.62}
.hero .shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(26,25,23,.97) 0%,rgba(26,25,23,.88) 42%,rgba(26,25,23,.2) 100%)}
.hero .wrap{position:relative;padding-top:96px;padding-bottom:150px}
.hero h1{font-size:76px;max-width:820px;color:var(--cream)}
.hero .lead{font-size:18px;max-width:580px;color:var(--soft-d);margin:22px 0 32px}
.hero .eyebrow{color:var(--brass-l)}
.stats{display:flex;gap:36px;margin-top:60px;flex-wrap:wrap}
.stats div{border-top:1px solid var(--brass);padding-top:12px;min-width:170px;max-width:230px}
.stats .n{font-family:var(--disp);font-size:40px;font-weight:700;line-height:1;color:var(--cream)}
.stats .l{font-size:13px;color:var(--muted-d);margin-top:6px;line-height:1.45}

/* thanh tìm lốp */
.finder{position:relative;margin-top:-72px;z-index:2}
.finder .box{background:var(--cream);border:1px solid var(--line);padding:22px 28px;display:grid;grid-template-columns:190px repeat(2,minmax(0,1fr)) auto;gap:16px;align-items:end;box-shadow:0 24px 60px rgba(0,0,0,.28)}
.finder .ttl{font-family:var(--disp);font-size:28px;font-weight:700;text-transform:uppercase;line-height:1;align-self:center}
.finder .ttl small{display:block;font-family:var(--body);font-size:11px;letter-spacing:.14em;color:var(--brass-ink);font-weight:600;margin-top:4px}
label.lb,.lb{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:6px}
select,input[type=text],input[type=tel],input[type=number],textarea{width:100%;min-height:48px;border:1px solid var(--line-2);background:#fff;padding:0 12px;font:inherit;font-size:15px;color:var(--ink);border-radius:0}
textarea{padding:10px 12px;min-height:96px;resize:vertical}

/* khối chung */
.sec{padding:88px 0}
.sec h2{font-size:52px;margin-bottom:14px}
.sec .intro{max-width:640px;color:var(--muted);margin:0 0 40px}
.dark .sec .intro,.dark .intro{color:var(--muted-d)}
.band-2{background:var(--cream-2)}
.brand{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--cream-2)}
.brand .wrap{display:flex;align-items:center;gap:40px;min-height:112px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}
.brand .lbl{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600;min-width:150px}
.brand img{height:34px;width:auto}
.brand p{margin:0;font-size:14px;color:var(--text-2);max-width:560px;line-height:1.5}
.brand .link-more{margin-left:auto}
.pill4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.pil{background:var(--paper);border:1px solid var(--line);padding:26px 24px 22px;display:flex;flex-direction:column;gap:12px}
.pil svg{width:36px;height:36px;stroke:var(--brass-ink);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.pil h3{font-size:24px}
.pil p{margin:0;font-size:14px;color:var(--text-2);line-height:1.55}

/* thẻ sản phẩm */
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.pc{background:var(--char-2);border:1px solid var(--line-d);padding:16px;display:flex;flex-direction:column;gap:10px;color:var(--cream);transition:border-color .15s}
.pc:hover{border-color:var(--brass);color:var(--cream)}
.pc .img{background:#fff;aspect-ratio:1;display:grid;place-items:center;overflow:hidden;position:relative}
.pc .img img{width:88%;height:88%;object-fit:contain}
.pc .route{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass-l);font-weight:600}
.pc .code{font-size:32px;color:var(--cream)}
.pc .size{font-size:14px;color:var(--soft-d);margin-top:-6px}
.pc .spec{font-size:12.5px;color:var(--muted-d);display:grid;grid-template-columns:1fr 1fr;gap:3px 10px;margin:2px 0}
.pc .spec b{color:var(--cream);font-weight:500}
.pc .pl{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass-l);font-weight:600}
.pc .price{font-size:24px;font-weight:700;color:var(--cream);line-height:1.1}
.pc .vat{font-size:12px;color:var(--muted-d)}
.pc .more{margin-top:auto;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line-d);padding-top:12px;font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.noimg{width:100%;height:100%;display:grid;place-items:center;background:repeating-linear-gradient(135deg,#F4F1EA 0 8px,#FBF8F1 8px 16px);color:var(--muted);text-align:center;font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:12px}
.noimg svg{width:44%;height:auto;margin:0 auto 8px;opacity:.55}

/* tình trạng */
.st{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.st::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;flex:none}
.st-ok{color:var(--ok)} .st-warn{color:var(--warn)} .st-info{color:var(--brass-ink)} .st-off{color:var(--muted)}
.dark .st-ok,.pc .st-ok{color:var(--ok-d)} .dark .st-warn,.pc .st-warn{color:var(--warn-d)} .dark .st-info,.pc .st-info{color:var(--brass-l)} .dark .st-off,.pc .st-off{color:var(--off-d)}
.pc .st{position:absolute;left:10px;top:10px;background:rgba(26,25,23,.86);padding:5px 8px}
.stamp{font-size:12px;color:var(--muted)}
.dark .stamp{color:var(--muted-d)}

.promo{display:flex;align-items:center;gap:16px;background:var(--char-3);border:1px solid var(--brass);padding:14px 20px;margin-bottom:8px;flex-wrap:wrap}
.promo .disp{font-size:28px;color:var(--brass-l)}
.promo p{margin:0;font-size:14px;color:var(--soft-d)}
.grp{display:flex;align-items:baseline;gap:18px;margin:40px 0 18px;flex-wrap:wrap}
.grp h3{font-size:28px;color:var(--cream)}
.grp span{font-size:13px;color:var(--muted-d)}

/* hạng đại lý */
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.tier{background:var(--paper);border:1px solid var(--line);padding:30px 28px;display:flex;flex-direction:column;gap:12px}
.tier.hl{border:2px solid var(--brass)}
.tier .nm{font-size:36px}
.tier .sub{font-size:13px;color:var(--muted)}
.tier ul{margin:0;padding-left:18px;font-size:14px;line-height:1.55;color:var(--text-2)}
.tier li{margin-bottom:6px}
.tier li::marker{color:var(--brass-ink)}

/* quy trình */
.two{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;margin-top:36px}
.step{border-top:2px solid var(--brass);padding-top:14px}
.step .k{font-family:var(--disp);font-size:40px;font-weight:700;color:var(--brass-ink);line-height:1}
.step h3,.step h4{font-size:19px;margin:8px 0 6px}
.step p{margin:0;font-size:13.5px;color:var(--text-2);line-height:1.5}
.photo{position:relative;background:var(--char-2)}
.photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.photo figcaption{font-size:12px;color:var(--muted);padding-top:8px}

/* điểm phục vụ */
.loc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.lc{background:var(--paper);border:1px solid var(--line);padding:26px}
.lc h3{font-size:28px}
.lc p{margin:6px 0 0;font-size:14px;color:var(--text-2)}
.tag{display:inline-block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass-ink);font-weight:600;margin-bottom:6px}

/* liên hệ + form */
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding-top:88px;padding-bottom:72px}
.contact h2{font-size:52px;color:var(--cream);margin-bottom:24px}
.big{font-family:var(--disp);font-size:64px;font-weight:700;line-height:1;color:var(--brass-l);letter-spacing:.02em}
.big a{color:var(--brass-l)}
.contact .row{display:flex;gap:24px;flex-wrap:wrap;margin-top:20px;font-size:14px;color:var(--soft-d)}
.form{background:var(--char-2);border:1px solid var(--line-d);padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start}
.form .full{grid-column:1/-1}
.form .lb{color:var(--muted-d)}
.form input,.form select,.form textarea{border-color:var(--line-d2);background:var(--char-3);color:var(--cream)}
.form ::placeholder{color:#8C877D}
.form .consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--soft-d);line-height:1.5}
.form .consent input{width:20px;height:20px;min-height:0;margin-top:2px;flex:none;accent-color:var(--brass)}
.form .consent a{color:var(--brass-l);text-decoration:underline}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .msg{font-size:14px;line-height:1.5;padding:12px 14px;border:1px solid var(--line-d2);color:var(--soft-d)}
.form .msg.ok{border-color:var(--ok-d);color:var(--ok-d)}
.form .msg.err{border-color:var(--warn-d);color:var(--warn-d)}
.form .note{font-size:12px;color:#8C877D;margin:0}
.form.light{background:var(--paper);border-color:var(--line)}
.form.light .lb{color:var(--muted)}
.form.light input,.form.light select,.form.light textarea{background:#fff;color:var(--ink);border-color:var(--line-2)}
.form.light .consent{color:var(--text-2)}
.form.light .consent a{color:var(--brass-ink)}
.form.light .msg{color:var(--text-2);border-color:var(--line-2)}
.form.light .msg.ok{border-color:var(--ok);color:var(--ok)}
.form.light .msg.err{border-color:var(--warn);color:var(--warn)}
.form.light .note{color:var(--muted)}

/* chân trang */
.foot{background:var(--char-3);color:var(--muted-d);font-size:13px;border-top:1px solid var(--line-d)}
.foot .wrap{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-top:52px;padding-bottom:28px}
.foot h2{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--brass-l);margin:0 0 12px;font-weight:600;font-family:var(--body)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{color:var(--soft-d)}
.foot a:hover{color:var(--cream)}
.foot .co{margin:0;line-height:1.65}
.foot .co b{color:var(--cream);font-weight:600}
.foot .legal{border-top:1px solid var(--line-d);font-size:12px;color:#8C877D}
.foot .legal .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:18px;padding-bottom:28px;flex-wrap:wrap;grid-template-columns:none}

/* đầu trang con */
.pagehead{background:var(--char);color:var(--cream);border-bottom:1px solid var(--line-d)}
.pagehead .wrap{padding-top:56px;padding-bottom:48px}
.pagehead h1{font-size:64px;color:var(--cream)}
.pagehead .lead{font-size:17px;color:var(--soft-d);max-width:680px;margin:16px 0 0}
.crumb{font-size:12.5px;color:var(--muted-d);margin:0 0 18px;letter-spacing:.02em}
.crumb a{color:var(--muted-d)}
.crumb a:hover{color:var(--cream)}
.crumb b{color:var(--cream);font-weight:600}
.crumb.light{color:var(--muted)}
.crumb.light a{color:var(--muted)}
.crumb.light b{color:var(--ink)}

/* danh mục sản phẩm */
.filters{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:flex-end;padding:22px 0;border-bottom:1px solid var(--line-d);margin-bottom:28px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line-d2);background:transparent;color:var(--soft-d);padding:0 14px;min-height:40px;font:inherit;font-size:13px;font-weight:600;letter-spacing:.04em;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--brass);border-color:var(--brass);color:var(--ink)}
.filters select{min-width:180px;background:var(--char-3);color:var(--cream);border-color:var(--line-d2);min-height:40px}
.filters .lb{color:var(--muted-d)}
.toggle{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--soft-d);min-height:40px;cursor:pointer}
.toggle input{width:20px;height:20px;accent-color:var(--brass)}
.count{margin-left:auto;font-size:13px;color:var(--muted-d)}
.empty{padding:40px;border:1px dashed var(--line-d2);text-align:center;color:var(--muted-d)}

/* trang mẫu gai */
.phero{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:18px 0 72px;align-items:start}
.gal .main{background:#fff;border:1px solid var(--line);aspect-ratio:1;display:grid;place-items:center;position:relative;overflow:hidden}
.gal .main img{width:82%;height:82%;object-fit:contain}
.gal .cap{font-size:12px;color:var(--muted);margin-top:8px}
.info h1{font-size:104px;letter-spacing:0}
.info .sub{font-size:17px;color:var(--text-2);max-width:540px;margin:10px 0 18px}
.badges{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.badge{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--line-2);padding:6px 10px;color:var(--text-2)}
.sizes{display:flex;gap:8px;flex-wrap:wrap}
.sz{border:1px solid var(--ink);padding:8px 14px;font-weight:600;font-size:14px;background:transparent;font-family:inherit;cursor:pointer;color:var(--ink);min-height:44px;text-align:left;line-height:1.25}
.sz small{display:block;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;opacity:.75}
.sz[aria-pressed="true"]{background:var(--ink);color:var(--cream)}
.sz[aria-pressed="true"] small{color:var(--brass-l)}
.dl-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding-top:80px;padding-bottom:80px}
.pill3{grid-template-columns:repeat(3,minmax(0,1fr))}
.kv{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:14px}
.kv div{background:var(--paper);padding:10px 12px;min-width:0}
.kv small{display:block;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
.kv b{font-size:16px;font-weight:600;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.pricebox{background:var(--char);color:var(--cream);padding:24px 26px;margin-top:22px;display:grid;gap:12px}
.pricebox .pl{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-l);font-weight:600}
.pricebox .pr{font-family:var(--disp);font-size:56px;font-weight:700;line-height:1;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.pricebox .pr small{font-family:var(--body);font-size:13px;font-weight:400;color:var(--muted-d)}
.pricebox .dl{font-size:13px;color:var(--muted-d);border-top:1px solid var(--line-d);padding-top:12px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.pricebox .dl a{color:var(--brass-l);font-weight:600;font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.pricebox .btn-ghost{color:var(--cream)}
.pricebox .btn-ghost:hover{color:var(--ink)}
.adv{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.ad{border-top:2px solid var(--brass);padding-top:14px}
.ad .k{font-family:var(--disp);font-size:34px;color:var(--brass-ink);font-weight:700;line-height:1}
.ad h3{font-size:21px;margin:8px 0 6px}
.ad p{margin:0;font-size:13.5px;color:var(--text-2);line-height:1.5}
.tbl{overflow-x:auto;border:1px solid var(--line);background:var(--paper)}
table{border-collapse:collapse;width:100%;font-size:13.5px;font-variant-numeric:tabular-nums}
.tbl table{min-width:1040px}
th{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);background:var(--cream);font-weight:600;white-space:nowrap}
td{padding:12px;border-bottom:1px solid var(--row);white-space:nowrap}
tr:last-child td{border-bottom:none}
td:first-child{font-weight:600}
.cond{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cd{background:var(--paper);border:1px solid var(--line);padding:24px}
.cd h3{font-size:24px;margin-bottom:8px}
.cd p,.cd li{font-size:14px;color:var(--text-2);line-height:1.55}
.cd p{margin:0 0 6px}
.cd ol{padding-left:18px;margin:0}
.cd li{margin-bottom:4px}
.rel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rc{background:var(--char-2);border:1px solid var(--line-d);padding:16px;display:grid;grid-template-columns:110px 1fr;gap:16px;color:var(--cream);align-items:center}
.rc:hover{border-color:var(--brass);color:var(--cream)}
.rc .img{background:#fff;aspect-ratio:1;display:grid;place-items:center;overflow:hidden}
.rc .img img{width:86%;height:86%;object-fit:contain}
.rc .code{font-size:30px;color:var(--cream)}
.rc .size{font-size:13px;color:var(--soft-d)}

/* văn bản dài */
.prose{max-width:780px}
.prose h2{font-family:var(--disp);text-transform:uppercase;font-size:34px;line-height:1.05;margin:44px 0 12px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;margin:26px 0 8px}
.prose p,.prose li{color:var(--text-2)}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin-bottom:6px}
.prose li::marker{color:var(--brass-ink)}
.prose table{margin:14px 0;border:1px solid var(--line);background:var(--paper)}
.prose td,.prose th{white-space:normal}
.toc{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 36px}
.toc a{border:1px solid var(--line-2);padding:8px 12px;font-size:13px;font-weight:600;color:var(--ink)}
.toc a:hover{border-color:var(--ink)}
.note-box{background:var(--paper);border-left:3px solid var(--brass);padding:14px 16px;font-size:14px;color:var(--text-2);margin:18px 0}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:32px}
.facts div{border-top:1px solid var(--brass);padding-top:12px}
.facts .n{font-family:var(--disp);font-size:44px;font-weight:700;line-height:1}
.facts .l{font-size:13px;color:var(--muted-d);margin-top:6px}
.timeline{display:grid;gap:0;border-left:2px solid var(--brass);margin:10px 0 0 6px}
.timeline div{padding:0 0 18px 22px;position:relative}
.timeline div::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;background:var(--brass);border-radius:50%}
.timeline b{font-family:var(--disp);font-size:24px;display:block;line-height:1.1}
.timeline span{font-size:14px;color:var(--text-2)}
.kvtable{width:100%;border:1px solid var(--line);background:var(--paper)}
.kvtable th{width:34%;background:var(--cream);white-space:normal;font-size:11px}
.kvtable td{white-space:normal;font-weight:500}
.kvtable td:first-child{font-weight:500}

/* nút liên hệ nổi */
.callbar{display:none}
.fab{position:fixed;right:max(20px,env(safe-area-inset-right,0px));bottom:max(20px,env(safe-area-inset-bottom,0px));z-index:40;display:flex;flex-direction:column;gap:10px}
.fab a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25);font-size:12px;font-weight:700;letter-spacing:.02em}
.fab .z{background:#0068FF;color:#fff}
.fab .p{background:var(--brass);color:var(--ink)}
.fab svg{width:22px;height:22px}

/* đáp ứng màn hình */
@media (max-width:1100px){.nav .menu{gap:18px}.nav .menu a{font-size:13.5px}}
@media (max-width:1000px){
  .hero h1{font-size:58px}
  .grid4,.pill4,.adv{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .finder .box{grid-template-columns:1fr 1fr}
  .finder .ttl{grid-column:1/-1}
  .two,.contact .wrap,.phero{grid-template-columns:1fr}
  .tiers,.cond,.rel,.pill3,.dl-hero{grid-template-columns:1fr}
  .foot .wrap{grid-template-columns:1fr 1fr}
  .nav .menu,.nav .cta{display:none}
  .burger{display:inline-flex}
  .info h1{font-size:84px}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .wrap{padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
  body{padding-bottom:64px}
  .topbar .r{display:none}
  .hero h1{font-size:44px}
  .hero .wrap{padding-top:56px;padding-bottom:116px}
  .hero .lead{font-size:16px}
  .hero .bg{object-position:60% 50%}
  .stats{gap:18px;margin-top:40px}
  .stats div{min-width:140px;flex:1 1 140px}
  .stats .n{font-size:32px}
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .pc{padding:12px}
  .pc .code{font-size:24px}
  .pc .spec{grid-template-columns:1fr}
  .pc .price{font-size:19px}
  .pill4,.steps,.loc,.foot .wrap,.adv,.facts{grid-template-columns:1fr}
  .finder .box{grid-template-columns:1fr;padding:18px;gap:12px}
  .finder .ttl{font-size:24px}
  .sec{padding:56px 0}
  .sec h2,.contact h2{font-size:38px}
  .pagehead h1{font-size:44px}
  .pagehead .wrap{padding-top:40px;padding-bottom:36px}
  .big{font-size:46px}
  .form{grid-template-columns:1fr;padding:20px}
  .info h1{font-size:72px}
  .kv{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pricebox{padding:20px}
  .pricebox .pr{font-size:44px}
  .ctas .btn{flex:1 1 100%}
  .rc{grid-template-columns:90px 1fr}
  .count{margin-left:0;width:100%}
  .filters select{min-width:0;width:100%}
  .fab{display:none}
  .callbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--line-d);gap:1px;padding-bottom:env(safe-area-inset-bottom,0px)}
  .callbar a{min-height:56px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
  .callbar svg{width:18px;height:18px;flex:none}
  .callbar .c1{background:var(--char);color:var(--cream)}
  .callbar .c2{background:#0068FF;color:#fff}
}
@media print{.nav,.topbar,.callbar,.fab,.foot,.finder{display:none!important}body{background:#fff}}