/* ketbac.vn — design system
   Phong cách Formwork (bộ Hallmark, giấy phép MIT), biến thể "Drawing": giấy kem trơn, mực than ấm, mọi cạnh vuông,
   bóng đổ cứng, đường kẻ 3px đầu mục, đường kích thước màu đồng. Bảng màu "đỏ đô tiết chế" (chốt 07/11/2026).
   Đỏ đô chỉ cho nút chính, logo, viền focus, một con số; đồng chỉ cho đường kích thước và số đo đi kèm. */
@font-face{font-family:"Oswald";src:url("../fonts/oswald-700.woff") format("woff");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Archivo";src:url("../fonts/archivo-400.woff") format("woff");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Archivo";src:url("../fonts/archivo-500.woff") format("woff");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Archivo";src:url("../fonts/archivo-700.woff") format("woff");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Archivo Narrow";src:url("../fonts/archivo-narrow-500.woff") format("woff");font-weight:500;font-style:normal;font-display:swap}
:root{
  --paper:#F8F5F0; --paper-2:#ECE5DB; --paper-3:#D7D0C6; --plate:#FDFAF4;
  --ink:#231F20; --ink-2:#332C29; --muted:#59504C;
  --dark:#2A2324; --dark-ink:#F8F5F0; --dark-ink-2:#DCD2C8;
  --brand:#7B1E2B; --brand-2:#6A1925; --brand-deep:#590915;
  --copper:#B58A4A; --copper-ink:#8A6531;
  --warn:#B45309; --warn-bg:#FDF4EA;
  --err:#B91C1C; --err-bg:#FDF0F0; --ok:#166534; --ok-bg:#EEF7F0;
  --rule-hair:1px; --rule-bar:3px; --shadow-card:6px 6px 0 var(--ink); --press:inset 0 2px 3px rgba(35,31,32,.3);
  --font-display:"Oswald","Arial Narrow",Arial,sans-serif;
  --font-body:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-num:"Archivo Narrow","Arial Narrow",Arial,sans-serif;
  /* tên cũ, giữ để các phần còn lại dùng chung */
  --bg:var(--paper); --card:var(--plate); --line:var(--paper-3); --line-2:#E3DCD1; --ink-3:var(--muted);
  --bronze:var(--copper); --bronze-ink:var(--copper-ink); --cta:var(--brand); --cta-2:var(--brand-2); --brand-tint:var(--paper-2);
  --r-sm:0; --r:0; --r-lg:0; --shadow:none; --font:var(--font-body);
  --wrap:none; --gut:16px;
  --hdr-h:0px; --mbar-h:0px;
}
@media (min-width:760px){:root{--gut:24px}}
@media (min-width:1080px){:root{--gut:40px}}
*,*::before,*::after{box-sizing:border-box;border-radius:0!important}
/* Không chuyển động: chỉ nút bấm ấn xuống. */
*,*::before,*::after{transition:none!important;animation:none!important}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink-2);font-family:var(--font-body);font-size:16px;line-height:1.5;font-weight:400;
  padding-bottom:var(--mbar-h);text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--brand)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:0;line-height:1.12;margin:0 0 .5em;color:var(--ink);text-align:left}
h1{font-size:clamp(1.75rem,1.2rem + 1.8vw,2.5rem)}
h2{font-size:clamp(1.375rem,1.1rem + 1.1vw,2rem)}
h3{font-size:clamp(1.0625rem,1rem + .3vw,1.25rem);line-height:1.15}
h4{font-size:1rem}
p{margin:0 0 1em}
strong,b{font-weight:700}
ul,ol{padding-left:1.25em;margin:0 0 1em}
small{font-size:.875rem}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(123,30,43,.22)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.on-dark :focus-visible,.on-dark:focus-visible{outline-color:var(--paper)}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--ink);color:var(--paper);padding:10px 16px;text-decoration:none}
.skip:focus{top:12px;color:var(--paper)}
.muted{color:var(--muted)}
.lead{font-size:1.0625rem;color:var(--ink-2)}
/* Số đo, giá: Archivo Narrow, chữ số đều cột, luôn kèm đơn vị */
.num,.specs dd,.spec-table td,.price,.kv{font-family:var(--font-num);font-weight:500;font-variant-numeric:tabular-nums lining-nums}
.num .tbd,.specs dd .tbd,.spec-table td .tbd,.price .tbd,.kv .tbd{font-family:var(--font-body)}
.plate{background:var(--plate);border:var(--rule-bar) solid var(--ink);box-shadow:var(--shadow-card)}
.rule-top{border-top:var(--rule-bar) solid var(--ink);padding-top:16px}

/* ---------- placeholders & badges ---------- */
.tbd{display:inline;line-height:1.4;background:var(--warn-bg);color:var(--warn);border:1px dashed var(--warn);padding:0 .3em;font-family:var(--font-body);font-weight:600;font-size:.92em;
  text-transform:none;letter-spacing:0;overflow-wrap:anywhere}
.badge-demo{display:inline-flex;align-items:center;gap:6px;background:var(--ink);color:var(--paper);font-size:.72rem;font-weight:700;letter-spacing:.01em;padding:3px 8px;line-height:1.3}
.badge-demo.long{font-size:.78rem;padding:6px 10px;white-space:normal}
.badge-line{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;color:var(--muted)}
.status-pill{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;padding:3px 10px;border:1px solid var(--ink);background:var(--plate);color:var(--ink-2)}
.status-pill .dot{width:8px;height:8px;background:var(--warn)}
.note{background:var(--warn-bg);border:1px solid var(--warn);padding:12px 14px;color:var(--ink-2);font-size:.95rem}
.illus-cap{font-size:.75rem;color:var(--muted)}

/* ---------- prototype bar ---------- */
.proto-bar{background:var(--paper-2);color:var(--ink-2);font-size:.84rem;border-bottom:1px solid var(--paper-3)}
.proto-bar .wrap{display:flex;gap:12px;align-items:center;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.proto-bar p{margin:0}
.proto-bar strong{color:var(--ink)}
.proto-bar button{background:var(--plate);border:1px solid var(--ink);color:var(--ink);padding:4px 10px;cursor:pointer;flex:none;font-size:.8rem}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border:2px solid transparent;
  font-family:var(--font-display);font-weight:700;font-size:1rem;line-height:1.2;text-transform:uppercase;letter-spacing:.01em;text-decoration:none;cursor:pointer;text-align:center;
  transition:transform 80ms ease-out,box-shadow 80ms ease-out!important}
.btn:active{transform:translateY(3px)}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary,.btn-cta{background:var(--brand);border-color:var(--brand);color:var(--paper);box-shadow:0 3px 0 var(--brand-deep)}
.btn-primary:hover,.btn-cta:hover{background:var(--brand-2);border-color:var(--brand-2);color:var(--paper)}
.btn-primary:active,.btn-cta:active{box-shadow:0 0 0 var(--brand-deep)}
.btn-ghost,.btn-quiet{background:var(--paper-2);border-color:var(--ink);color:var(--ink);box-shadow:var(--press)}
.btn-ghost:hover,.btn-quiet:hover{background:var(--paper-3);color:var(--ink)}
.btn-link{background:none;border:none;padding:0;min-height:auto;color:var(--ink);text-decoration:underline;font-family:var(--font-body);font-weight:500;text-transform:none;letter-spacing:0}
.btn-link:active{transform:none}
.btn-sm{min-height:44px;padding:8px 14px;font-size:.9rem}
.btn-block{width:100%}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none}
.btn.is-loading{position:relative;color:transparent!important;pointer-events:none}
.btn.is-loading::after{content:"Đang gửi…";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--paper)}
.btn-ghost.is-loading::after,.btn-quiet.is-loading::after{color:var(--ink)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:2px solid var(--ink);background:var(--paper-2);box-shadow:var(--press);cursor:pointer;color:var(--ink)}
.icon-btn:active{transform:translateY(3px)}
.icon-btn svg{width:20px;height:20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:var(--rule-bar) solid var(--ink)}
.hdr-main{display:flex;align-items:center;gap:16px;padding-top:12px;padding-bottom:12px}
.logo{display:inline-flex;align-items:center;text-decoration:none;color:var(--brand);line-height:1;flex:0 1 auto;min-width:0}
.logo-img{display:block;width:172px;max-width:100%;height:auto}
@media (max-width:359px){.logo-img{width:156px}}
@media (min-width:1080px){.hdr-main .logo-img{width:206px}}
.hdr-search{flex:1;max-width:680px;display:none}
.search-field{display:flex;align-items:stretch;background:var(--plate);border:2px solid var(--ink);box-shadow:var(--press);overflow:hidden}
.search-field input{flex:1;border:0;background:transparent;padding:10px 12px;min-width:0;outline:none}
.search-field:focus-within{outline:3px solid var(--brand);outline-offset:2px}
.search-field button{border:0;background:var(--ink);color:var(--paper);padding:0 16px;cursor:pointer;display:flex;align-items:center;gap:6px;font-family:var(--font-display);font-weight:700;text-transform:uppercase}
.search-field button svg{width:18px;height:18px}
.hdr-actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.hdr-actions .desk{display:none}
.hdr-actions .mob{display:inline-flex}
.mobile-search{display:none;padding-bottom:12px}
.mobile-search.open{display:block}
.main-nav{display:none;border-top:1px solid var(--paper-3)}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap}
.main-nav a{display:block;padding:10px 12px;text-decoration:none;color:var(--ink);font-family:var(--font-display);font-weight:700;font-size:.95rem;text-transform:uppercase;border-bottom:3px solid transparent}
.main-nav a:hover{color:var(--brand)}
.main-nav a[aria-current="page"]{border-bottom-color:var(--ink)}
@media (min-width:1080px){
  .hdr-search{display:block}
  .hdr-actions .desk{display:inline-flex}
  .hdr-actions .mob{display:none}
  .main-nav{display:block}
}
/* mobile nav drawer */
.drawer-backdrop{position:fixed;inset:0;background:rgba(35,31,32,.5);z-index:90;opacity:0;pointer-events:none}
.drawer-backdrop.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;bottom:0;right:0;width:min(88vw,380px);background:var(--paper);z-index:100;transform:translateX(100%);display:flex;flex-direction:column;border-left:var(--rule-bar) solid var(--ink)}
.drawer.left{right:auto;left:0;transform:translateX(-100%);border-left:0;border-right:var(--rule-bar) solid var(--ink)}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:var(--rule-bar) solid var(--ink)}
.drawer-head h2{font-size:1.15rem;margin:0}
.drawer-body{flex:1;overflow:auto;padding:12px 16px}
.drawer-foot{padding:12px 16px;border-top:var(--rule-bar) solid var(--ink);display:flex;gap:10px;background:var(--paper)}
.drawer-foot .btn{flex:1}
.drawer-foot [data-clear-filters]{flex:0 0 auto}
@media (max-width:599px){.proto-bar .more{display:none}}
.mnav{list-style:none;margin:0;padding:0}
.mnav a{display:block;padding:13px 4px;border-bottom:1px solid var(--paper-3);text-decoration:none;color:var(--ink);font-family:var(--font-display);font-weight:700;text-transform:uppercase}
.mnav a[aria-current="page"]{text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:6px}

/* ---------- sections ---------- */
main{display:block;min-height:60vh}
main:focus{outline:none}
.section{padding:56px 0}
@media (min-width:760px){.section{padding:88px 0}}
.section.tight{padding:40px 0}
.section.alt{background:var(--paper-2)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 24px;margin-bottom:32px;border-top:var(--rule-bar) solid var(--ink);padding-top:16px}
.section-head h2{margin:0}
.section-head p{margin:8px 0 0;color:var(--ink-2)}
.page-head{padding-top:28px;padding-bottom:8px}
.page-head h1{margin-bottom:.35em}
.crumbs{font-size:.86rem;color:var(--muted);margin-bottom:12px}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:4px}
.crumbs li+li::before{content:"/";margin-right:4px;color:var(--paper-3)}
.crumbs a{color:var(--muted)}

/* ---------- hero ---------- */
.hero{padding:40px 0 56px;border-bottom:var(--rule-bar) solid var(--ink)}
.hero-grid{display:grid;gap:36px;align-items:center}
@media (min-width:900px){
  .hero{padding:72px 0 88px}
  .hero-grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:40px}
  .hero-grid>:first-child{grid-column:1/8}
  .hero-grid>:last-child{grid-column:8/13}
}
.hero h1{font-size:clamp(2.125rem,1.4rem + 3vw,3.75rem);line-height:1.12;margin-bottom:.4em}
.hero .lead{margin-bottom:28px;font-size:1.0625rem}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px 12px}
.hero-ctas .btn{min-height:52px;padding:12px 24px;font-size:1.0625rem}
.hero-panel{position:relative;background-color:var(--plate);border:var(--rule-bar) solid var(--ink);box-shadow:var(--shadow-card);padding:18px 18px 12px;color:var(--ink);overflow:hidden;
  background-image:linear-gradient(rgba(35,31,32,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(35,31,32,.07) 1px,transparent 1px);background-size:24px 24px}
.hero-panel svg{width:100%;height:auto}
.hero-panel .cap{display:flex;justify-content:space-between;gap:8px;font-size:.75rem;color:var(--muted);padding-top:8px;border-top:1px solid var(--paper-3);margin-top:6px}

/* ---------- trust strip ---------- */
.trust{border-bottom:1px solid var(--paper-3);background:var(--paper)}
.trust ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:0}
.trust li{display:flex;gap:12px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--paper-3)}
.trust li:last-child{border-bottom:0}
.trust svg{width:22px;height:22px;color:var(--ink);flex:none;margin-top:2px}
.trust strong{display:block;font-weight:700}
.trust span.s{font-size:.88rem;color:var(--muted)}
@media (min-width:760px){.trust ul{grid-template-columns:repeat(3,1fr)}.trust li{border-bottom:0;padding:20px 20px 20px 0;border-right:1px solid var(--paper-3)}.trust li:last-child{border-right:0}.trust li+li{padding-left:20px}}

/* ---------- needs rows ---------- */
.needs-layout{display:grid;gap:24px}
@media (min-width:900px){.needs-layout{grid-template-columns:.8fr 1.2fr;gap:56px}}
.need-list{list-style:none;margin:0;padding:0;border-top:var(--rule-bar) solid var(--ink)}
.need-row{display:grid;grid-template-columns:44px 1fr;gap:4px 14px;padding:18px 0;border-bottom:1px solid var(--paper-3);align-items:start}
@media (min-width:600px){.need-row{grid-template-columns:44px 1fr auto;align-items:center}}
.need-ico{width:44px;height:44px;background:var(--plate);border:2px solid var(--ink);display:grid;place-items:center;color:var(--ink)}
.need-ico svg{width:22px;height:22px}
.need-row h3{margin:0 0 2px;font-size:1.0625rem}
.need-row p{margin:0;color:var(--muted);font-size:.94rem}
.need-row .act{grid-column:2}
@media (min-width:600px){.need-row .act{grid-column:auto}}

/* ---------- 4 bước chọn két (trang chủ) ---------- */
.pour{list-style:none;margin:0;padding:0;display:grid;border-top:var(--rule-bar) solid var(--ink)}
.pour>li{display:grid;grid-template-columns:52px minmax(0,1fr);gap:2px 14px;padding:20px 0 22px;border-bottom:1px solid var(--paper-3);align-items:start}
.pour .n{grid-row:1/span 3;font-family:var(--font-display);font-weight:700;font-size:2.75rem;line-height:1;color:var(--ink)}
.pour h3{margin:2px 0 4px;font-size:1.0625rem}
.pour .hint{margin:0 0 10px;font-size:.9rem;color:var(--muted)}
.pour .pair{display:grid;gap:8px}
@media (min-width:600px) and (max-width:899px){.pour{grid-template-columns:1fr 1fr;column-gap:24px}}
@media (min-width:900px){
  .pour{grid-template-columns:repeat(4,minmax(0,1fr))}
  .pour>li{display:block;padding:22px 24px 26px;border-bottom:0;border-left:1px solid var(--paper-3)}
  .pour>li:first-child{border-left:0;padding-left:0}
  .pour>li:last-child{padding-right:0}
  .pour .n{display:block;font-size:3.5rem;margin-bottom:14px}
  .pour .hint{min-height:2.9em}
}
.pour-foot{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:space-between;padding-top:20px;border-top:1px solid var(--paper-3)}
.pour-foot p{margin:0;font-size:.9rem;color:var(--muted)}

/* ---------- quick selector (trang khác) ---------- */
.selector{background:var(--plate);border:var(--rule-bar) solid var(--ink);padding:20px;box-shadow:var(--shadow-card)}
@media (min-width:760px){.selector{padding:28px}}
.sel-grid{display:grid;gap:18px}
@media (min-width:900px){.sel-grid{grid-template-columns:repeat(5,1fr);gap:16px}}
.field-label{display:block;font-weight:700;font-size:.92rem;margin-bottom:6px;color:var(--ink)}
.select,.input,.textarea{width:100%;min-height:46px;border:2px solid var(--ink);background:var(--plate);padding:9px 12px;box-shadow:var(--press)}
.select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23231F20' stroke-width='2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:34px}
.textarea{min-height:110px;resize:vertical}
.select:focus-visible,.input:focus-visible,.textarea:focus-visible,.select:focus,.input:focus,.textarea:focus{outline:3px solid var(--brand);outline-offset:2px}
.input[aria-invalid="true"],.select[aria-invalid="true"],.textarea[aria-invalid="true"]{border-color:var(--err);background-color:var(--err-bg)}
.sel-foot{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid var(--paper-3)}
.sel-results{margin-top:24px}
.sel-results:empty{display:none}
.rec{display:grid;grid-template-columns:76px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--paper-3)}
.rec:first-child{border-top:var(--rule-bar) solid var(--ink)}
.rec .thumb{background:var(--paper-2);border:2px solid var(--ink);aspect-ratio:1;overflow:hidden}
.rec h3{font-size:1.0625rem;margin:0 0 4px}
.rec ul{margin:6px 0 8px;font-size:.92rem;color:var(--ink-2)}
.rec .rec-why li::marker{color:var(--ok)}
.rec .rec-check li::marker{color:var(--warn)}
.rec-actions{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- product grid & card ---------- */
.grid-products{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.pcard{position:relative;background:var(--plate);border:2px solid var(--ink);display:flex;flex-direction:column;overflow:hidden}
.pcard-media{position:relative;background:var(--paper-2);aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-bottom:2px solid var(--ink)}
.pcard-media svg{height:100%;width:auto}
.pcard-media .badge-demo{position:absolute;left:10px;top:10px}
.pcard-media .illus-cap{position:absolute;right:10px;bottom:6px}
.cmp-toggle{position:absolute;right:8px;top:8px;display:inline-flex;align-items:center;gap:6px;background:var(--plate);border:2px solid var(--ink);padding:4px 9px;font-size:.8rem;font-weight:700;cursor:pointer;color:var(--ink);min-height:32px}
.cmp-toggle svg{width:15px;height:15px}
.cmp-toggle[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.pcard-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:12px;flex:1}
.pcard h3{font-size:1.125rem;margin:0}
.pcard h3 a{color:var(--ink);text-decoration:none}
.pcard h3 a:hover{text-decoration:underline}
.pcard .model{font-size:.82rem;color:var(--muted);margin-top:4px}
.specs{display:grid;grid-template-columns:auto 1fr;gap:0 12px;margin:0;font-size:.9rem;border-top:2px solid var(--ink)}
.specs dt,.specs dd{padding:6px 0;border-bottom:1px solid var(--paper-3)}
.specs dt{color:var(--muted)}
.specs dd{margin:0;color:var(--ink);text-align:right}
.pcard .price-line{font-size:.88rem;color:var(--ink-2)}
.pcard .price-line .price{font-size:1.125rem;color:var(--ink)}
.pcard .not-real{font-size:.76rem;color:var(--muted)}
.pcard-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto}
.pcard-actions .btn{padding:8px 10px;font-size:.9rem}

/* ---------- checklist (5 điều) ---------- */
.five{list-style:none;margin:0;padding:0;display:grid;gap:0;counter-reset:five;border-top:var(--rule-bar) solid var(--ink)}
@media (min-width:900px){.five{grid-template-columns:repeat(5,1fr)}}
.five li{counter-increment:five;padding:20px 0;border-bottom:1px solid var(--paper-3);display:grid;grid-template-columns:48px 1fr;gap:10px}
@media (min-width:900px){.five li{display:block;padding:20px 20px 0 0;border-bottom:0;border-right:1px solid var(--paper-3);margin-right:20px}.five li:last-child{border-right:0;margin-right:0}}
.five li::before{content:counter(five);font-family:var(--font-display);font-weight:700;font-size:2.4rem;line-height:1;color:var(--ink)}
@media (min-width:900px){.five li::before{display:block;margin-bottom:12px}}
.five h3{font-size:1rem;margin:0 0 4px}
.five p{margin:0;font-size:.92rem;color:var(--ink-2)}

/* ---------- docs list ---------- */
.doc-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
@media (min-width:760px){.doc-list{grid-template-columns:1fr 1fr}}
.doc-item{display:grid;grid-template-columns:40px 1fr;gap:12px;background:var(--plate);border:1px solid var(--paper-3);border-top:var(--rule-bar) solid var(--ink);padding:14px 16px;align-items:start}
.doc-item svg{width:24px;height:24px;color:var(--ink);margin-top:2px}
.doc-item h3{font-size:1rem;margin:0 0 2px}
.doc-item p{margin:0 0 8px;font-size:.9rem;color:var(--muted)}

/* ---------- consult panel (mảng tối, dùng ở trang Kiến thức và Chọn két) ---------- */
.consult{display:grid;gap:28px;background:var(--dark);color:var(--dark-ink);padding:24px;overflow:hidden;border-top:var(--rule-bar) solid var(--ink)}
@media (min-width:900px){.consult{grid-template-columns:.85fr 1.15fr;padding:40px;gap:48px}}
.consult h2,.consult h3{color:var(--dark-ink)}
.consult p,.consult .lead{color:var(--dark-ink-2)}
.consult ul{color:var(--dark-ink-2);font-size:.95rem}
.consult .form-card{background:var(--plate);color:var(--ink);padding:20px;border:var(--rule-bar) solid var(--ink)}
.consult a{color:var(--dark-ink)}
.consult .form-card a{color:var(--ink)}
.on-dark .tbd{background:rgba(180,83,9,.18);color:#F6C38E;border-color:#E39A54}
.on-dark .btn-ghost,.on-dark .btn-quiet{background:transparent;color:var(--dark-ink);border-color:var(--dark-ink);box-shadow:none}
.on-dark .btn-ghost:hover,.on-dark .btn-quiet:hover{background:rgba(248,245,240,.1);color:var(--dark-ink)}
.on-dark .btn-primary,.on-dark .btn-cta{box-shadow:0 3px 0 #120F10}
.form-card{background:var(--plate);border:var(--rule-bar) solid var(--ink);padding:20px;box-shadow:var(--shadow-card)}
@media (min-width:760px){.form-card{padding:28px}}

/* ---------- tư vấn sáng (trang chủ) ---------- */
.consult-light{display:grid;gap:32px}
@media (min-width:900px){.consult-light{grid-template-columns:repeat(12,minmax(0,1fr));gap:40px}.consult-light>:first-child{grid-column:1/6}.consult-light>:last-child{grid-column:6/13}}
.consult-light .measure{list-style:none;margin:20px 0 0;padding:0;border-top:var(--rule-bar) solid var(--ink)}
.consult-light .measure li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--paper-3)}
.consult-light .measure .num{color:var(--copper-ink)}

/* ---------- so sánh hai tấm ---------- */
.duo{display:grid;gap:24px}
.duo-col{padding:22px 20px 24px;display:flex;flex-direction:column}
.duo-col h3{font-size:clamp(1.25rem,1rem + 1vw,1.75rem);margin:0 0 14px}
.duo-rows{margin:0 0 18px;border-top:var(--rule-bar) solid var(--ink)}
.duo-rows>div{display:grid;grid-template-columns:minmax(0,38%) minmax(0,1fr);gap:12px;padding:10px 0;border-bottom:1px solid var(--paper-3)}
.duo-rows dt{color:var(--muted);font-size:.9rem}
.duo-rows dd{margin:0;color:var(--ink)}
.duo-act{margin-top:auto;display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center}
@media (min-width:900px){
  .duo{grid-template-columns:1fr 1fr;gap:0 32px;grid-template-rows:auto repeat(5,auto) auto}
  .duo-col{display:grid;grid-row:span 7;grid-template-rows:subgrid;row-gap:0}
  .duo-col>.duo-rows{display:contents}
  .duo-col>.duo-rows>div:first-child{border-top:var(--rule-bar) solid var(--ink)}
  .duo-act{margin-top:0;padding-top:18px;align-self:end}
}
.home-cat .grid-products{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
@media (max-width:759px){.home-cat .pcard:nth-child(n+5){display:none}}
.duo-note{margin:20px 0 0;font-size:.9rem;color:var(--muted)}

/* ---------- con số trên tấm ---------- */
.figure-plate{display:grid;gap:8px 40px;padding:28px 24px;align-items:end}
@media (min-width:900px){.figure-plate{grid-template-columns:auto minmax(0,1fr);padding:40px 44px}}
.figure-plate .fig{margin:0;display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 14px}
.figure-plate .fig-n{font-family:var(--font-display);font-weight:700;font-size:clamp(4rem,2rem + 9vw,9.5rem);line-height:.95;color:var(--brand)}
.figure-plate .fig-n .tbd{font-size:1.25rem;line-height:1.5;padding:.35em .6em}
.figure-plate .fig-u{font-family:var(--font-num);font-weight:500;font-size:clamp(1.25rem,1rem + 1vw,1.75rem);color:var(--ink)}
.figure-plate .fig-l{margin:0;font-size:1.0625rem;color:var(--ink-2);padding-bottom:10px}

/* ---------- mảng tối: câu cam kết ---------- */
.band-ink{background:var(--dark);color:var(--dark-ink);padding:64px 0}
@media (min-width:760px){.band-ink{padding:96px 0}}
.band-ink .statement{font-family:var(--font-display);font-weight:700;text-transform:uppercase;font-size:clamp(1.5rem,1rem + 2.6vw,3.25rem);line-height:1.12;margin:0;color:var(--dark-ink);text-align:left}
.band-ink .statement .tbd{font-size:1rem;line-height:1.5}
.band-ink .sub{margin:20px 0 0;color:var(--dark-ink-2);max-width:none}

/* ---------- forms ---------- */
.form-grid{display:grid;gap:16px}
@media (min-width:600px){.form-grid.two{grid-template-columns:1fr 1fr}.form-grid .span2{grid-column:1/-1}}
.field{display:flex;flex-direction:column}
.field .hint{font-size:.84rem;color:var(--muted);margin-top:4px}
.field .err{font-size:.86rem;color:var(--err);margin-top:4px;display:flex;gap:6px;align-items:flex-start}
.field .err:empty{display:none}
.req{color:var(--err);font-weight:700}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:var(--ink-2)}
.check input{width:20px;height:20px;margin-top:2px;flex:none;accent-color:var(--ink)}
.form-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:6px}
.form-summary{border:2px solid var(--err);background:var(--err-bg);padding:12px 14px;color:var(--err);font-size:.92rem}
.form-summary ul{margin:6px 0 0}
.form-summary a{color:var(--err)}
.panel-ok,.panel-err,.panel-proto{padding:18px;display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start}
.panel-ok{background:var(--ok-bg);border:2px solid var(--ok)}
.panel-ok>svg{color:var(--ok)}
.panel-err{background:var(--err-bg);border:2px solid var(--err)}
.panel-err>svg{color:var(--err)}
.panel-proto{background:var(--warn-bg);border:2px solid var(--warn)}
.panel-proto>svg{color:var(--warn)}
.panel-ok svg,.panel-err svg,.panel-proto svg{width:26px;height:26px}
.panel-ok h3,.panel-err h3,.panel-proto h3{margin:0 0 4px;font-size:1.0625rem}
.panel-ok p,.panel-err p,.panel-proto p{margin:0 0 8px;font-size:.93rem;color:var(--ink-2)}
.file-pick{border:2px dashed var(--paper-3);padding:12px;background:var(--plate)}

/* ---------- FAQ accordion ---------- */
.faq-list{border-top:var(--rule-bar) solid var(--ink)}
.faq-item{border-bottom:1px solid var(--paper-3)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 40px 16px 0;position:relative;font-weight:700;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:8px;top:50%;width:10px;height:10px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:translateY(-70%) rotate(45deg)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item .ans{padding:0 0 16px;color:var(--ink-2)}
.faq-cat{margin:36px 0 10px;font-size:1.15rem}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink-2);padding:56px 0 24px;margin-top:0;font-size:.92rem}
.site-footer a{color:var(--dark-ink)}
.site-footer h2{color:var(--dark-ink);font-size:1rem;margin-bottom:12px}
.foot-grid{display:grid;gap:28px}
@media (min-width:760px){.foot-grid{grid-template-columns:1.3fr 1fr 1fr 1.2fr}}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:6px 0}
.site-footer .tbd{background:rgba(180,83,9,.18);color:#F6C38E;border-color:#E39A54}
.site-footer .logo-img{width:190px}
.site-footer .btn-ghost,.site-footer .btn-quiet{background:transparent;color:var(--dark-ink);border-color:var(--dark-ink);box-shadow:none}
.site-footer .btn-primary,.site-footer .btn-cta{box-shadow:0 3px 0 #120F10}
.foot-bottom{margin-top:36px;padding-top:16px;border-top:1px solid rgba(248,245,240,.18);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.84rem}

/* ---------- catalog ---------- */
.catalog{display:grid;gap:24px;padding-bottom:64px}
@media (min-width:1080px){.catalog{grid-template-columns:290px 1fr;gap:36px}}
.filters-side{display:none}
@media (min-width:1080px){.filters-side{display:block;position:sticky;top:calc(var(--hdr-h) + 16px);align-self:start;max-height:calc(100vh - var(--hdr-h) - 32px);overflow:auto;padding-right:6px;border-top:var(--rule-bar) solid var(--ink)}}
.fgroup{border:0;border-bottom:1px solid var(--paper-3);padding:14px 0;margin:0;min-width:0}
.fgroup legend{font-family:var(--font-display);font-weight:700;text-transform:uppercase;font-size:.95rem;color:var(--ink);padding:0;margin-bottom:8px;float:left;width:100%}
.fgroup legend+*{clear:both}
.fgroup h3{font-size:.95rem;margin:0 0 8px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.fgroup .opt{display:flex;gap:10px;align-items:center;padding:5px 0;font-size:.94rem;cursor:pointer}
.fgroup .opt input{width:18px;height:18px;accent-color:var(--ink);flex:none}
.fgroup .opt .cnt{margin-left:auto;color:var(--muted);font-size:.84rem;font-family:var(--font-num);font-variant-numeric:tabular-nums}
.fgroup .opt.is-zero{color:var(--muted)}
.fgroup .na{font-size:.84rem;color:var(--muted)}
.dims-inputs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.dims-inputs label{font-size:.78rem;color:var(--muted)}
.dims-inputs .input{min-height:42px;padding:6px 8px;font-family:var(--font-num)}
.cat-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:12px;border-top:var(--rule-bar) solid var(--ink);padding-top:12px}
.cat-toolbar .left{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.filter-open{display:inline-flex}
@media (min-width:1080px){.filter-open{display:none}}
.count-badge{display:inline-grid;place-items:center;min-width:22px;height:22px;background:var(--paper);color:var(--ink);font-family:var(--font-num);font-size:.8rem;padding:0 6px;border:1px solid var(--ink)}
.sort-box{display:flex;gap:8px;align-items:center;font-size:.9rem}
.sort-box .select{min-height:42px;width:auto}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--plate);border:2px solid var(--ink);color:var(--ink);padding:4px 8px 4px 12px;font-size:.86rem;font-weight:600;cursor:pointer;min-height:34px}
.chip svg{width:14px;height:14px}
.chip.clear{border-color:transparent;background:none;text-decoration:underline}
.demo-banner{display:flex;gap:12px;align-items:flex-start;background:var(--paper-2);border:1px solid var(--ink);padding:12px 14px;margin-bottom:16px;font-size:.9rem;color:var(--ink-2)}
.demo-banner svg{width:20px;height:20px;color:var(--ink);flex:none;margin-top:2px}

/* ---------- empty / error / skeleton ---------- */
.empty{background:var(--plate);border:2px dashed var(--paper-3);padding:28px 24px}
.empty svg{width:40px;height:40px;color:var(--muted);margin:0 0 10px}
.empty h3{margin-bottom:6px}
.empty p{color:var(--ink-2);margin:0 0 16px}
.empty .acts{display:flex;flex-wrap:wrap;gap:10px}
.error-box{background:var(--err-bg);border:2px solid var(--err);padding:20px;display:grid;grid-template-columns:28px 1fr;gap:12px}
.error-box svg{color:var(--err);width:26px;height:26px}
.sk{background:var(--paper-2)}
.sk-card{background:var(--plate);border:2px solid var(--paper-3);overflow:hidden}
.sk-card .sk-media{aspect-ratio:1}
.sk-card .sk-lines{padding:14px 16px;display:grid;gap:8px}
.sk-line{height:12px}

/* ---------- product detail ---------- */
.pd{display:grid;gap:32px;padding-bottom:24px}
@media (min-width:960px){.pd{grid-template-columns:repeat(12,minmax(0,1fr));gap:48px}.pd>:first-child{grid-column:1/7}.pd>:last-child{grid-column:7/13}}
/* Khung có đường kích thước màu đồng quanh ảnh */
.dimframe{display:grid;grid-template-columns:minmax(0,1fr) 40px;grid-template-areas:"w ." "img h" "d .";gap:10px 12px}
.dimframe .dimframe-img{grid-area:img;min-width:0}
.dim{position:relative;color:var(--copper-ink);font-family:var(--font-num);font-weight:500;font-size:.86rem;font-variant-numeric:tabular-nums;line-height:1}
.dim .tbd{font-family:var(--font-body);font-size:.8rem}
.dim-w{grid-area:w;height:22px;display:flex;align-items:center;justify-content:center}
.dim-w::before{content:"";position:absolute;left:0;right:0;top:50%;border-top:1px solid var(--copper)}
.dim-w::after{content:"";position:absolute;left:0;right:0;top:calc(50% - 7px);height:14px;border-left:1px solid var(--copper);border-right:1px solid var(--copper)}
.dim-h{grid-area:h;display:flex;align-items:center;justify-content:center}
.dim-h::before{content:"";position:absolute;top:0;bottom:0;left:50%;border-left:1px solid var(--copper)}
.dim-h::after{content:"";position:absolute;top:0;bottom:0;left:calc(50% - 7px);width:14px;border-top:1px solid var(--copper);border-bottom:1px solid var(--copper)}
.dim>span{position:relative;z-index:1;background:var(--paper);padding:2px 6px;white-space:nowrap}
.dim-h>span{writing-mode:vertical-rl;transform:rotate(180deg);padding:6px 2px}
.dim-d{grid-area:d;display:flex;align-items:center;gap:10px}
.dim-d::before{content:"";width:28px;border-top:1px solid var(--copper);transform:rotate(-35deg)}
.dim-d>span{padding:0}
.gallery-main{position:relative;background:var(--paper-2);border:2px solid var(--ink);aspect-ratio:1;display:flex;align-items:center;justify-content:center;overflow:hidden}
.gallery-main svg{width:100%;height:100%}
.gallery-main .badge-demo{position:absolute;left:12px;top:12px}
.gallery-main .illus-cap{position:absolute;left:12px;bottom:10px;background:var(--plate);padding:2px 8px;border:1px solid var(--paper-3)}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}
.thumbs button{background:var(--paper-2);border:2px solid var(--paper-3);padding:0;aspect-ratio:1;cursor:pointer;overflow:hidden;display:flex;flex-direction:column}
.thumbs button svg{width:100%;flex:1}
.thumbs button span{font-size:.72rem;color:var(--ink-2);padding:3px 0 4px;background:var(--plate);width:100%;border-top:1px solid var(--paper-3)}
.thumbs button[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.pd-info h1{font-size:clamp(1.625rem,1.1rem + 1.8vw,2.625rem);margin:8px 0 6px}
.pd-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.9rem;color:var(--muted);margin-bottom:16px}
.origin{display:grid;grid-template-columns:auto 1fr;gap:0 12px;font-size:.9rem;margin:12px 0;border-top:1px solid var(--paper-3)}
.origin dt,.origin dd{padding:7px 0;border-bottom:1px solid var(--paper-3)}
.origin dt{color:var(--muted)}
.origin dd{margin:0}
.commerce{border-top:var(--rule-bar) solid var(--ink);border-bottom:1px solid var(--paper-3);padding:12px 0;margin:16px 0;display:grid;gap:6px;font-size:.94rem}
.commerce .price{font-size:1.25rem;color:var(--ink)}
.pd-ctas{display:grid;gap:10px}
@media (min-width:600px){.pd-ctas{grid-template-columns:1fr 1fr}.pd-ctas .btn-cta,.pd-ctas .btn-primary{grid-column:1/-1}}
.pd-ctas .btn{min-height:48px}
.quick-specs{margin:24px 0 0;padding:16px 18px 18px}
.quick-specs h2{font-size:1.0625rem;margin:0 0 10px}
.quick-specs .specs{font-size:.94rem}
.fitbox{display:grid;gap:16px;margin:8px 0 40px}
@media (min-width:760px){.fitbox{grid-template-columns:1fr 1fr}}
.fitbox section{background:var(--plate);border:1px solid var(--paper-3);border-top:var(--rule-bar) solid var(--ink);padding:18px 20px}
.fitbox h2{font-size:1.125rem;display:flex;gap:8px;align-items:center}
.fitbox h2 svg{width:20px;height:20px}
.fitbox .fit h2 svg{color:var(--ok)}
.fitbox .chk h2 svg{color:var(--warn)}
.fitbox ul{margin:0;font-size:.95rem;color:var(--ink-2)}
.fitbox li{margin:6px 0}
.tabs{margin-bottom:48px}
.tablist{display:flex;gap:4px;overflow-x:auto;border-bottom:1px solid var(--paper-3);scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.tablist button{flex:none;background:none;border:0;border-bottom:3px solid transparent;padding:12px 14px;font-family:var(--font-display);font-weight:700;text-transform:uppercase;color:var(--muted);cursor:pointer;white-space:nowrap}
.tablist button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--ink)}
.tabpanel{padding:24px 0}
.tabpanel h3{margin-top:4px}
.spec-group{border-top:var(--rule-bar) solid var(--ink);background:var(--plate);margin-bottom:16px;overflow:hidden;border-left:1px solid var(--paper-3);border-right:1px solid var(--paper-3);border-bottom:1px solid var(--paper-3)}
.spec-group summary{list-style:none;cursor:pointer;padding:14px 16px;font-family:var(--font-display);font-weight:700;text-transform:uppercase;color:var(--ink);display:flex;justify-content:space-between;align-items:center}
.spec-group summary::-webkit-details-marker{display:none}
.spec-group summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg);margin-right:4px}
.spec-group[open] summary::after{transform:rotate(-135deg)}
.spec-table{width:100%;border-collapse:collapse;font-size:.94rem}
.spec-table th,.spec-table td{text-align:justify;padding:10px 16px;border-top:1px solid var(--paper-3);vertical-align:top}
.spec-table th{font-weight:400;color:var(--muted);width:32%}
.spec-table td{color:var(--ink)}

/* ---------- compare ---------- */
.cmp-wrap{overflow-x:auto;border-top:var(--rule-bar) solid var(--ink);border-bottom:1px solid var(--paper-3);background:var(--plate);-webkit-overflow-scrolling:touch}
.cmp{border-collapse:separate;border-spacing:0;min-width:640px;width:100%;font-size:.93rem;table-layout:fixed}
.cmp col.k{width:190px}
.cmp th,.cmp td{padding:12px 14px;border-bottom:1px solid var(--paper-3);text-align:left;vertical-align:top}
.cmp td{font-family:var(--font-num);font-weight:500;font-variant-numeric:tabular-nums;color:var(--ink)}
.cmp td .tbd{font-family:var(--font-body)}
.cmp thead th{background:var(--paper-2);vertical-align:bottom;font-family:var(--font-body)}
.cmp tbody th{position:sticky;left:0;background:var(--plate);font-weight:600;color:var(--ink-2);min-width:130px;border-right:1px solid var(--paper-3);z-index:1}
.cmp thead th:first-child{position:sticky;left:0;z-index:2;border-right:1px solid var(--paper-3)}
.cmp .thumb{width:110px;aspect-ratio:1;background:var(--paper);border:2px solid var(--ink);margin-bottom:8px;overflow:hidden}
.cmp .diff{background:var(--paper-2)}
.cmp-add{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin:16px 0 20px}
.cmp-add .field{min-width:240px}
.tray{position:fixed;left:0;right:0;bottom:var(--mbar-h);z-index:55;background:var(--plate);border-top:var(--rule-bar) solid var(--ink);transform:translateY(110%);visibility:hidden}
.tray.show{transform:none;visibility:visible}
.tray .wrap{display:flex;gap:12px;align-items:center;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.tray-items{display:flex;gap:8px;flex:1;min-width:0;overflow-x:auto}
.tray-item{display:flex;align-items:center;gap:6px;background:var(--paper-2);border:1px solid var(--paper-3);padding:4px 4px 4px 10px;font-size:.84rem;white-space:nowrap}
.tray-item button{border:0;background:none;cursor:pointer;width:28px;height:28px;display:grid;place-items:center;color:var(--ink)}
.tray-item button svg{width:14px;height:14px}

/* ---------- quiz ---------- */
.quiz{padding-bottom:64px}
.progress{display:flex;gap:6px;margin:8px 0 6px;align-items:center}
.progress span{flex:1;height:6px;background:var(--paper-3)}
.progress span.done{background:var(--muted)}
.progress span.cur{background:var(--ink);height:10px}
.q-card{background:var(--plate);border:var(--rule-bar) solid var(--ink);box-shadow:var(--shadow-card);padding:22px;margin-top:16px}
@media (min-width:760px){.q-card{padding:32px}}
.q-card fieldset{border:0;padding:0;margin:0}
.q-card legend{font-family:var(--font-display);font-weight:700;text-transform:uppercase;font-size:clamp(1.25rem,1rem + 1vw,1.625rem);line-height:1.15;color:var(--ink);margin-bottom:6px;padding:0}
.options{display:grid;gap:10px;margin-top:16px}
@media (min-width:600px){.options.two{grid-template-columns:1fr 1fr}}
.opt-card{position:relative;display:flex;gap:12px;align-items:flex-start;border:2px solid var(--paper-3);padding:12px 14px;cursor:pointer;background:var(--plate)}
.opt-card input{width:20px;height:20px;margin-top:2px;accent-color:var(--ink);flex:none}
.opt-card:has(input:checked){border-color:var(--ink);background:var(--paper-2)}
.opt-card .t{font-weight:700;display:block;color:var(--ink)}
.opt-card .d{font-size:.88rem;color:var(--muted)}
.q-nav{display:flex;justify-content:space-between;gap:10px;margin-top:20px}
.q-nav .btn svg{width:16px;height:16px}

/* ---------- services ---------- */
.svc-grid{display:grid;gap:16px}
@media (min-width:760px){.svc-grid{grid-template-columns:repeat(3,1fr)}}
.svc{background:var(--plate);border:1px solid var(--paper-3);border-top:var(--rule-bar) solid var(--ink);padding:18px}
.svc .ico{width:40px;height:40px;background:var(--paper-2);color:var(--ink);display:grid;place-items:center;margin-bottom:10px;border:2px solid var(--ink)}
.svc .ico svg{width:22px;height:22px}
.svc h3{margin-bottom:6px}
.svc p{font-size:.93rem;color:var(--ink-2);margin-bottom:8px}
.svc .scope{font-size:.88rem}

/* ---------- articles ---------- */
.art-list{display:grid;gap:16px}
@media (min-width:760px){.art-list{grid-template-columns:1fr 1fr}}
.art-card{background:var(--plate);border:1px solid var(--paper-3);border-top:var(--rule-bar) solid var(--ink);padding:20px}
.art-card h3 a{color:var(--ink);text-decoration:none}
.art-card h3 a:hover{text-decoration:underline}
.art-card p{color:var(--ink-2);font-size:.95rem;margin-bottom:10px}
.article{max-width:none}
.article h2{font-size:clamp(1.25rem,1rem + .8vw,1.625rem);margin-top:1.6em}
.article p,.article li{color:var(--ink-2)}
.article li{margin:4px 0}
.table-wrap{overflow-x:auto;margin:16px 0;border-top:var(--rule-bar) solid var(--ink)}
.simple{border-collapse:collapse;width:100%;min-width:480px;font-size:.93rem;background:var(--plate)}
.simple th,.simple td{border-bottom:1px solid var(--paper-3);padding:9px 10px;text-align:justify}
.simple thead th{background:var(--paper-2);color:var(--ink)}

/* ---------- about / contact / content ---------- */
.two-col{display:grid;gap:28px}
@media (min-width:900px){.two-col{grid-template-columns:1fr 1fr;gap:48px}}
.info-list{list-style:none;margin:0;padding:0;border-top:var(--rule-bar) solid var(--ink)}
.info-list li{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--paper-3)}
.info-list .k{color:var(--muted);font-size:.92rem}
.map-ph{aspect-ratio:16/10;border:2px dashed var(--paper-3);background-color:var(--plate);display:grid;place-items:center;text-align:center;padding:16px;color:var(--ink-2);
  background-image:linear-gradient(rgba(35,31,32,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(35,31,32,.05) 1px,transparent 1px);background-size:24px 24px}
.draft{border:2px dashed var(--muted);background:var(--plate);padding:16px 18px}
.draft .tag{display:inline-block;font-size:.8rem;font-weight:700;color:var(--muted);margin-bottom:6px}
.prose{max-width:none}
.prose h2{margin-top:1.4em}

/* ---------- search ---------- */
.result-group h2{font-size:1.2rem;margin:32px 0 12px}
.res-item{padding:14px 0;border-bottom:1px solid var(--paper-3)}
.res-item a{font-weight:700}
.res-item p{margin:4px 0 0;font-size:.93rem;color:var(--ink-2)}
.res-type{font-size:.8rem;color:var(--muted)}
mark{background:#EBD9B6;color:inherit;padding:0 2px}

/* ---------- modal & toast ---------- */
.modal-root{position:fixed;inset:0;z-index:120;display:none;align-items:flex-end;justify-content:center;background:rgba(35,31,32,.55);padding:0}
.modal-root.open{display:flex}
@media (min-width:600px){.modal-root{align-items:center;padding:24px}}
.modal{background:var(--paper);width:100%;max-width:560px;max-height:92vh;overflow:auto;border-top:var(--rule-bar) solid var(--ink)}
@media (min-width:600px){.modal{border:var(--rule-bar) solid var(--ink);box-shadow:var(--shadow-card)}}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 20px 8px}
.modal-head h2{font-size:1.3rem;margin:4px 0 0}
.modal-body{padding:8px 20px 20px}
.toasts{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--mbar-h) + 16px);z-index:130;display:grid;gap:8px;width:min(92vw,440px);pointer-events:none}
.toast{background:var(--ink);color:var(--paper);padding:12px 14px;font-size:.93rem;pointer-events:auto;display:flex;gap:10px;align-items:flex-start;border:2px solid var(--ink)}
.toast.warn{background:#7A3A07;border-color:#7A3A07}
.toast.ok{background:var(--ok);border-color:var(--ok)}

/* ---------- thanh gọi / Zalo cố định ---------- */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:58;background:var(--paper);border-top:var(--rule-bar) solid var(--ink);display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:8px;padding:8px 10px calc(10px + env(safe-area-inset-bottom))}
.mbar .btn{min-height:46px;padding:8px;font-size:.92rem}
@media (min-width:1080px){
  .mbar{display:none}
  .single-ket .mbar{display:grid;grid-template-columns:repeat(3,minmax(0,200px));justify-content:end;padding:10px var(--gut) 12px}
}
body.typing .mbar{display:none}
body.typing{--mbar-h:0px!important}

/* ---------- cookie ---------- */
.cookie{position:fixed;left:12px;right:12px;bottom:calc(var(--mbar-h) + 12px);z-index:65;background:var(--plate);border:var(--rule-bar) solid var(--ink);box-shadow:var(--shadow-card);padding:14px 16px;max-width:560px;margin:0 auto}
.cookie p{margin:0 0 10px;font-size:.9rem}
.cookie .acts{display:flex;gap:8px;flex-wrap:wrap}
.cookie.inline{position:static;margin:0;box-shadow:none}

/* ---------- state gallery ---------- */
.state-grid{display:grid;gap:20px}
@media (min-width:900px){.state-grid{grid-template-columns:1fr 1fr}}
.state-cell{background:var(--plate);border:1px solid var(--paper-3);border-top:var(--rule-bar) solid var(--ink);padding:16px}
.state-cell>h3{font-size:.95rem;margin-bottom:12px;color:var(--ink-2)}
.focus-demo{outline:3px solid var(--brand)!important;outline-offset:2px}

/* ---------- misc ---------- */
.kv{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.9rem;color:var(--muted)}
.split-cta{display:flex;flex-wrap:wrap;gap:10px}
.hr{height:0;background:none;border:0;border-top:var(--rule-bar) solid var(--ink);margin:36px 0}
.center{text-align:center}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.ico-inline{width:18px;height:18px;display:inline-block;vertical-align:-3px}
.notfound{padding-top:56px;padding-bottom:72px}
.notfound .code{font-family:var(--font-display);font-size:clamp(4.5rem,14vw,9rem);font-weight:700;color:var(--brand);line-height:1}

/* ---------- overflow guards ---------- */
.catalog>*,.two-col>*,.form-grid>*,.field,.pd>*,.needs-layout>*,.hero-grid>*,.consult>*,.consult-light>*,.foot-grid>*,.info-list li>*,.duo>*,.pour>li>*{min-width:0}
.select{max-width:100%;text-overflow:ellipsis}
.sort-box{flex-wrap:wrap;min-width:0;max-width:100%}
.map-ph span{max-width:100%}
.file-pick input{width:100%;max-width:100%}
.btn .tbd{white-space:nowrap;font-size:.76em;padding:0 .3em}
@media (min-width:600px) and (max-width:1199px){.pd-ctas{grid-template-columns:1fr}}

/* ---------- WordPress ---------- */
.admin-bar .site-header{top:32px}
@media (max-width:782px){.admin-bar .site-header{top:46px}}
@media (max-width:600px){.admin-bar .site-header{top:0}}
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.screen-reader-text:focus{clip:auto;width:auto;height:auto;margin:0;padding:10px 16px;background:var(--ink);color:var(--paper);z-index:200;left:12px;top:12px}
.prose img,.article img{height:auto;border:2px solid var(--ink)}
.prose>*:first-child,.article>*:first-child{margin-top:0}
.alignwide,.alignfull{max-width:100%}
.wp-block-image{margin:1.5em 0}
.illus{display:flex;align-items:center;justify-content:center;width:100%;height:100%}
.illus svg{width:100%;height:100%}
.pcard-media .illus svg{height:100%;width:auto}
.gallery-main img{width:100%;height:100%;object-fit:contain;background:var(--plate)}
.hero-panel .illus{height:auto}
.thumbs button .illus{flex:1;min-height:0}
.thumbs button img{width:100%;flex:1;object-fit:cover}
.pagination{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.pagination .page-numbers{display:inline-grid;place-items:center;min-width:44px;height:44px;border:2px solid var(--ink);background:var(--plate);text-decoration:none;color:var(--ink);font-family:var(--font-num)}
.pagination .current{background:var(--ink);color:var(--paper)}
.no-js .js-only{display:none!important}
.logo .custom-logo{max-height:52px;width:auto}

/* ---------- Bố cục rộng, căn đều hai lề (áp dụng toàn site) ----------
   Chữ chạy hết bề ngang khung rồi mới xuống dòng; mỗi dòng sát lề trái và lề phải.
   Dòng cuối của đoạn giữ canh trái (mặc định của trình duyệt). Tiêu đề và câu cam kết canh trái. */
body{text-align:justify;text-justify:inter-word;hyphens:manual}
.btn,.chip,.badge-demo,.status-pill,.tbd,.count-badge,.tablist button,.thumbs button span,.illus-cap,.mbar,.hero-panel .cap,.notfound .code,.dim{text-align:center}
.specs dd{text-align:right}
.pour .n,.figure-plate .fig,.band-ink .statement{text-align:left}
input,select,textarea{text-align:left}
.notfound .split-cta{justify-content:flex-start}
/* Thẻ gợi ý (quiz, chọn nhanh): ảnh + tiêu đề trên một hàng, phần lý do dùng hết bề ngang trên điện thoại */
.rec{grid-template-columns:76px 1fr;align-items:start}
.rec-head{min-width:0}
.rec-body{grid-column:1/-1;min-width:0}
@media (min-width:600px){.rec-body{grid-column:2}}
/* Bảng thông số trên điện thoại: tên trường nằm trên giá trị, cả hai dùng hết bề ngang */
@media (max-width:599px){
  .spec-table th,.spec-table td{display:block;width:auto}
  .spec-table th{padding:10px 14px 0}
  .spec-table td{border-top:0;padding:2px 14px 10px}
  .info-list li{grid-template-columns:1fr;gap:2px}
  .origin{grid-template-columns:1fr}
  .origin dt{border-bottom:0;padding-bottom:0}
  .pcard-body{padding:14px 14px 16px}
  .duo-rows>div{grid-template-columns:1fr;gap:2px}
}