/* ==========================================================================
   Information - CSS dung chung cho moi mang
   Mobile-first, khong framework, khong render DOM trung lap.
   ========================================================================== */

:root{
  --brand:#0f766e; --brand-d:#115e59; --brand-l:#ccfbf1;
  --ink:#111827; --ink-2:#374151; --muted:#6b7280;
  --line:#e5e7eb; --bg:#ffffff; --bg-2:#f9fafb; --bg-3:#f3f4f6;
  --ok:#059669; --ok-bg:#d1fae5; --warn:#b45309; --warn-bg:#fef3c7;
  --stop:#dc2626; --stop-bg:#fee2e2;
  --r:10px; --r-s:6px;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 1px 3px rgba(0,0,0,.06);
  --wrap:1180px;
}
@media (prefers-color-scheme:dark){
  :root{
    --ink:#f3f4f6; --ink-2:#d1d5db; --muted:#9ca3af;
    --line:#374151; --bg:#0f1115; --bg-2:#161a21; --bg-3:#1f242e;
    --brand-l:#134e4a;
    --ok-bg:#064e3b; --warn-bg:#78350f; --stop-bg:#7f1d1d;
    --shadow:0 1px 3px rgba(0,0,0,.4);
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:650;letter-spacing:-.01em}
h1{font-size:clamp(1.5rem,1.2rem + 1.6vw,2.1rem)}
h2{font-size:clamp(1.2rem,1.05rem + .7vw,1.5rem)}
h3{font-size:1.05rem}
p{margin:0 0 1em}
ul.plain{list-style:none;margin:0;padding:0}
ul.plain li{margin:.35em 0}
.muted{color:var(--muted)}
.sm{font-size:.875rem}
.xs{font-size:.8rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:99;background:var(--bg);padding:8px 12px;
  border:2px solid var(--brand);border-radius:var(--r-s)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- Header ---------- */
.site-head{background:var(--bg);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:40}
.head-row{display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:60px}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font-weight:700}
.brand:hover{text-decoration:none}
.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--brand);
  color:#fff;display:grid;place-items:center;font-size:1.05rem;font-weight:800}
.brand-text{font-size:1.1rem;letter-spacing:-.02em}

.site-nav{position:relative}
.navbtn{display:grid;gap:5px;padding:9px;cursor:pointer;border-radius:var(--r-s)}
.navbtn span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px}
.navlist{list-style:none;margin:0;padding:0;display:none}
.navtoggle:checked ~ .navlist{
  display:block;position:absolute;right:0;top:calc(100% + 8px);min-width:210px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:6px;z-index:50
}
.navlist a{display:block;padding:10px 12px;border-radius:var(--r-s);color:var(--ink-2)}
.navlist a:hover{background:var(--bg-3);text-decoration:none}
.navlist a[aria-current]{color:var(--brand);font-weight:650;background:var(--brand-l)}
@media (min-width:860px){
  .navbtn{display:none}
  .navlist{display:flex;gap:4px;align-items:center}
  .navtoggle:checked ~ .navlist{position:static;display:flex;border:0;
    box-shadow:none;padding:0;background:none}
}

/* ---------- Hero + o tra cuu ---------- */
.hero{background:
    radial-gradient(900px 340px at 18% -10%,var(--brand-l),transparent 62%),
    var(--bg-2);
  border-bottom:1px solid var(--line);padding:38px 0 34px}
.hero h1{margin-bottom:.35em;max-width:22ch}
.hero-lead{color:var(--ink-2);max-width:62ch;margin-bottom:1.3em}

.finder{display:grid;gap:10px;background:var(--bg);padding:12px;
  border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
@media (min-width:760px){.finder{grid-template-columns:1fr 210px auto}}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field > label{font-size:.78rem;font-weight:600;color:var(--muted)}
input[type=search],input[type=text],select{
  width:100%;padding:11px 12px;font:inherit;color:var(--ink);
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-s)}
input:focus,select:focus{border-color:var(--brand);outline:none;
  box-shadow:0 0 0 3px var(--brand-l)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 20px;font:inherit;font-weight:650;cursor:pointer;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--r-s);white-space:nowrap}
.btn:hover{background:var(--brand-d);text-decoration:none;color:#fff}
.btn--ghost{background:transparent;color:var(--brand)}
.btn--ghost:hover{background:var(--brand-l);color:var(--brand-d)}
.hint{margin:.8em 0 0;font-size:.85rem;color:var(--muted)}
.hint a{color:var(--ink-2);border-bottom:1px dotted var(--muted)}

/* ---------- Bo cuc ---------- */
.sect{padding:34px 0}
.sect--grey{background:var(--bg-2);border-block:1px solid var(--line)}
.cols{display:grid;gap:26px}
@media (min-width:980px){.cols{grid-template-columns:1fr 320px;align-items:start}}
.sect-head{display:flex;flex-wrap:wrap;align-items:baseline;
  justify-content:space-between;gap:10px;margin-bottom:16px}
.sect-head h2{margin:0}

.card{background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--shadow)}
.card-h{padding:13px 16px;border-bottom:1px solid var(--line);
  font-weight:650;display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.card-b{padding:16px}
aside .card + .card{margin-top:18px}
@media (min-width:980px){aside{position:sticky;top:76px}}

/* ---------- Danh sach doanh nghiep ---------- */
.co-list{list-style:none;margin:0;padding:0}
.co{padding:15px 16px;border-bottom:1px solid var(--line)}
.co:last-child{border-bottom:0}
.co:hover{background:var(--bg-2)}
.co-name{margin:0 0 6px;font-size:1rem;font-weight:650;line-height:1.35}
.co-name a{color:var(--ink)}
.co-name a:hover{color:var(--brand)}
.co-meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.875rem;color:var(--muted)}
.co-meta b{color:var(--ink-2);font-weight:600}
.co-mst{font-variant-numeric:tabular-nums;letter-spacing:.02em}
.co-addr{margin:6px 0 0;font-size:.875rem;color:var(--muted);line-height:1.5}

/* ---------- Nhan trang thai ---------- */
.tag{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;
  font-size:.75rem;font-weight:650;border-radius:99px;white-space:nowrap}
.tag--ok{background:var(--ok-bg);color:var(--ok)}
.tag--warn{background:var(--warn-bg);color:var(--warn)}
.tag--stop{background:var(--stop-bg);color:var(--stop)}
.tag--flat{background:var(--bg-3);color:var(--muted)}
.tag::before{content:"";width:6px;height:6px;border-radius:99px;background:currentColor}

/* ---------- Chip / loc ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chip{display:inline-block;padding:6px 12px;font-size:.875rem;
  background:var(--bg);border:1px solid var(--line);border-radius:99px;color:var(--ink-2)}
.chip:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.chip[aria-current]{background:var(--brand);border-color:var(--brand);color:#fff}
.chip b{font-variant-numeric:tabular-nums}

/* ---------- Bang thong tin chi tiet ---------- */
.dl{margin:0;display:grid;gap:0}
@media (min-width:620px){.dl{grid-template-columns:200px 1fr}}
.dl dt{padding:10px 0;font-size:.875rem;color:var(--muted);
  border-top:1px solid var(--line)}
.dl dd{padding:10px 0;margin:0;border-top:1px solid var(--line);
  overflow-wrap:anywhere}
@media (max-width:619px){
  .dl dt{border-top:1px solid var(--line);padding-bottom:0}
  .dl dd{border-top:0;padding-top:2px;font-weight:500}
}
.dl .copy{font-variant-numeric:tabular-nums;font-weight:650}

/* ---------- Khoi thong ke (diem khac biet) ---------- */
.stats{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.stat{padding:14px 16px;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r)}
.stat-n{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.15}
.stat-l{font-size:.8rem;color:var(--muted);margin-top:2px}

.note{padding:13px 15px;background:var(--bg-2);border:1px solid var(--line);
  border-left:3px solid var(--brand);border-radius:var(--r-s);font-size:.9rem}
.note strong{color:var(--ink)}

/* ---------- Breadcrumb ---------- */
.crumb{padding:11px 0;font-size:.85rem;overflow-x:auto}
.crumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center;
  list-style:none;margin:0;padding:0}
.crumb li{display:flex;gap:6px;align-items:center;color:var(--muted)}
.crumb li+li::before{content:"/";color:var(--line)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb [aria-current]{color:var(--ink-2);font-weight:600}

/* ---------- Phan trang ---------- */
.pager{display:flex;flex-wrap:wrap;gap:6px;align-items:center;
  justify-content:center;padding:22px 0;list-style:none;margin:0}
.pager a,.pager span{display:inline-grid;place-items:center;min-width:40px;
  padding:8px 11px;font-size:.9rem;border:1px solid var(--line);
  border-radius:var(--r-s);color:var(--ink-2);font-variant-numeric:tabular-nums}
.pager a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.pager [aria-current]{background:var(--brand);border-color:var(--brand);
  color:#fff;font-weight:650}
.pager .gap{border:0;color:var(--muted);min-width:20px}

/* ---------- Luoi lien ket (tinh/quan/phuong) ---------- */
.linkgrid{display:grid;gap:8px 18px;list-style:none;margin:0;padding:0;
  grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}
.linkgrid a{display:flex;justify-content:space-between;gap:8px;
  padding:7px 0;color:var(--ink-2);font-size:.9rem;
  border-bottom:1px solid var(--line)}
.linkgrid a:hover{color:var(--brand);text-decoration:none}
.linkgrid .n{color:var(--muted);font-size:.8rem;font-variant-numeric:tabular-nums}

/* ---------- Hub trang chu ---------- */
.hub{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.hub-card{display:flex;flex-direction:column;gap:10px;padding:22px;height:100%;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);color:var(--ink)}
a.hub-card:hover{border-color:var(--brand);text-decoration:none;
  transform:translateY(-2px);transition:.15s}
.hub-card h3{margin:0;font-size:1.15rem}
.hub-card .ico{width:38px;height:38px;border-radius:9px;background:var(--brand-l);
  color:var(--brand-d);display:grid;place-items:center;font-size:1.15rem;font-weight:700}
.hub-card--soon{opacity:.72}
.hub-card--soon .ico{background:var(--bg-3);color:var(--muted)}

/* ---------- Hub: hero mo rong ---------- */
.hero--hub{padding:46px 0 40px}
.hero--hub h1{max-width:20ch;margin-bottom:.4em}
.eyebrow{margin:0 0 .7em;font-size:.78rem;font-weight:700;letter-spacing:.09em;
  text-transform:uppercase;color:var(--brand-d)}
@media (prefers-color-scheme:dark){.eyebrow{color:#5eead4}}
:root[data-theme="dark"] .eyebrow{color:#5eead4}
:root[data-theme="light"] .eyebrow{color:var(--brand-d)}

.hero-stats{display:flex;flex-wrap:wrap;gap:10px 30px;list-style:none;
  margin:22px 0 0;padding:18px 0 0;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats b{font-size:1.3rem;font-weight:700;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stats span{font-size:.78rem;color:var(--muted)}

/* ---------- Hub card mo rong ---------- */
.hub-desc{margin:0;flex:1}
.hub-foot{margin:0;padding-top:10px;border-top:1px solid var(--line);
  font-size:.85rem;color:var(--brand)}
.hub-foot b{font-variant-numeric:tabular-nums}
.badge{display:inline-block;padding:1px 8px;margin-left:6px;font-size:.68rem;
  font-weight:700;font-style:normal;text-transform:uppercase;letter-spacing:.05em;
  background:var(--bg-3);color:var(--muted);border-radius:99px;vertical-align:middle}
.chips--sm{gap:6px;margin:2px 0 0}
.chip--flat{padding:3px 9px;font-size:.75rem;background:var(--bg-2);
  border-color:transparent;color:var(--muted)}
.chip--flat:hover{border-color:transparent;color:var(--muted)}

/* ---------- Danh sach mini (sidebar) ---------- */
.co-list--mini .co{padding:11px 16px}
.co-list--mini .co-name{font-size:.9rem;margin-bottom:4px}
.co-list--mini .co-meta{font-size:.78rem;gap:4px 10px}

/* ---------- Danh sach dac diem ---------- */
.feat{margin:0 0 1.2em;padding-left:1.15em}
.feat li{margin:.5em 0}
.feat b{color:var(--ink)}

/* ---------- details: xem them / FAQ ---------- */
.more{margin-top:20px}
.more>summary,.faq>summary{cursor:pointer;font-size:.9rem;color:var(--brand);
  padding:7px 0;list-style:none}
.more>summary::-webkit-details-marker,
.faq>summary::-webkit-details-marker{display:none}
.more>summary::before,.faq>summary::before{content:"+ ";font-weight:700}
.more[open]>summary::before,.faq[open]>summary::before{content:"− "}
.faq{border-bottom:1px solid var(--line)}
.faq:last-child{border-bottom:0}
.faq>summary{color:var(--ink-2);font-weight:550}
.faq>summary:hover{color:var(--brand)}
.faq p{margin:0 0 .9em;color:var(--muted)}
code{padding:1px 5px;font-size:.88em;background:var(--bg-3);border-radius:4px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* ---------- Luoi bai viet (blog) ---------- */
.post-grid{display:grid;gap:20px;list-style:none;margin:0;padding:0;
  grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.post-card{display:flex;flex-direction:column;background:var(--bg);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--shadow);height:100%}
.post-card:hover{border-color:var(--brand);transition:.15s}
.post-thumb{aspect-ratio:16/9;background:var(--bg-3);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body{display:flex;flex-direction:column;gap:8px;padding:16px;flex:1}
.post-title{margin:0;font-size:1.02rem;line-height:1.4;font-weight:650}
.post-title a{color:var(--ink)}
.post-title a:hover{color:var(--brand)}
.post-sum{margin:0;font-size:.875rem;color:var(--muted);line-height:1.55;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:.78rem;
  color:var(--muted);padding-top:8px;border-top:1px solid var(--line)}
.post-topic{color:var(--brand);font-weight:600}

/* ---------- Noi dung bai viet (HTML tu CMS) ---------- */
.post-content{font-size:1.02rem;line-height:1.75;color:var(--ink-2)}
.post-content>*:first-child{margin-top:0}
.post-content h2{margin:1.7em 0 .6em;font-size:1.35rem;scroll-margin-top:76px}
.post-content h3{margin:1.4em 0 .5em;font-size:1.12rem;scroll-margin-top:76px}
.post-content h2,.post-content h3{color:var(--ink)}
.post-content p{margin:0 0 1.1em}
.post-content ul,.post-content ol{margin:0 0 1.2em;padding-left:1.4em}
.post-content li{margin:.45em 0}
.post-content a{border-bottom:1px solid var(--brand-l)}
.post-content img{margin:1.4em 0;border-radius:var(--r)}
.post-content figure{margin:1.4em 0}
.post-content figcaption{margin-top:.5em;font-size:.85rem;color:var(--muted);
  text-align:center}
.post-content blockquote{margin:1.4em 0;padding:2px 0 2px 18px;
  border-left:3px solid var(--brand);color:var(--ink-2);font-style:italic}
.post-content pre{margin:1.4em 0;padding:14px 16px;overflow-x:auto;
  background:var(--bg-3);border-radius:var(--r-s);font-size:.9rem}
.post-content table{width:100%;margin:1.4em 0;border-collapse:collapse;
  font-size:.92rem;display:block;overflow-x:auto}
.post-content th,.post-content td{padding:9px 12px;text-align:left;
  border:1px solid var(--line)}
.post-content th{background:var(--bg-2);font-weight:650;color:var(--ink)}
.post-content hr{margin:2em 0;border:0;border-top:1px solid var(--line)}

/* ---------- FAQ hai cot ---------- */
.faq-grid{display:grid;gap:0 34px}
@media (min-width:860px){.faq-grid{grid-template-columns:1fr 1fr}}
.faq-grid .faq summary{font-size:.95rem}

/* ---------- Footer ---------- */
.site-foot{margin-top:46px;background:var(--bg-2);border-top:1px solid var(--line)}
.foot-grid{display:grid;gap:26px;padding:34px 16px;
  grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.foot-h{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);margin:0 0 .7em;font-weight:700}
.site-foot a{color:var(--ink-2);font-size:.9rem}
.site-foot a:hover{color:var(--brand)}
.brand--foot{margin-bottom:.6em}
.foot-bar{padding:15px 16px;border-top:1px solid var(--line)}

/* ---------- Tien ich ---------- */
.empty{padding:34px 16px;text-align:center;color:var(--muted)}
.row-between{display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between}
.scroll-x{overflow-x:auto}
@media print{.site-head,.site-foot,.finder,.pager{display:none}}