/* =====================================================================
   DATOVA v2 – giao diện tối công nghệ (anh Đạt duyệt 12/10/2026)
   Mẫu gốc: /thu/index.html (trang chủ). Mọi trang dùng file này + /js/datova.js.

   KHUNG TRANG
   <body> → <div class="bgfx"></div> (nền lưới + đèn theo chuột)
   header/footer/nút Zalo/thanh đáy: chép NGUYÊN từ /partials/*.html (scripts/khung.py tự chèn lại)
   .w (khung 1200) · .w.nr (hẹp 860) · .sec (khối, cách trên 110px) · .sec.sm (80px)
   .pg-hero (đầu trang con): .crumb + .eb + h1 + .lead + .cta
   .hero (đầu trang chủ, 2 cột)

   CHỮ
   h1, h2, h3 · .eb (nhãn mono có gạch) · .sub / .lead (chữ phụ to) · .mu (xám) · .grad (chữ gradient)
   .mono · .pill (viên nhãn, có <b> chấm màu) · .tag (nhãn nhỏ) · .tag.ok/.tag.ac

   NÚT
   .btn.p (trắng – chính) · .btn.g (viền – phụ) · .btn.ac (gradient) · .btn.sm · .cta (hàng nút)

   THẺ & LƯỚI
   .grid.g2/.g3/.g4 · .card (thẻ tối, viền sáng theo chuột) · a.card (hover nổi) · .card .ic (ô icon)
   .bento (lưới 6 cột) > .bx (span 2) .bx.wide (3) .bx.big (4) .bx.full (6); .bx .vis (vùng minh họa)
   .br (khung trình duyệt) > .bar(.dots + .url) + .view
   .pj (thẻ dự án: .sh ảnh cuộn khi hover + .in) · .mau (thẻ mẫu web: .sh + .in) · .proj (lưới 2 cột)
   .logos (hàng logo khách trên viên sáng)
   .stat (số lớn + chú thích) · .steps > .st (quy trình đánh số, đường nối)
   .chips > button (lọc, aria-pressed) · .hide (ẩn khi lọc)

   GIÁ & FAQ & BẢNG & FORM
   .price (lưới) > .pc (.pc.hot viền gradient) : .tag + h3 + .gia (<small>) + .mu + ul.ck + .btn
   ul.ck (danh sách tick) · .faq > details > summary + .a
   .tbl > table (cuộn ngang khi hẹp)
   .fm (form): label + input/select/textarea · .fm .row (2 cột) · fieldset.bd · .chk (ô chọn viên) · .ok-msg

   NỘI DUNG DÀI
   .prose (68ch, cho bài blog/chính sách) · .toc (mục lục dính) · .prog-bar (thanh tiến độ đọc)

   KHỐI CUỐI
   .end (CTA giữa trang, nền sáng tím) · .me (thẻ người phụ trách)

   HIỆU ỨNG
   .rv (hiện dần khi cuộn) · .spot (gắn cho phần tử muốn viền sáng theo chuột – .card/.bx/.pc tự có)
   ===================================================================== */

:root{
  --bg:#08090B;--bg2:#0E1014;--card:#111318;--card2:#16181E;
  --line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);
  --tx:#F2F3F5;--mu:#A0A6B1;--mu2:#6E7581;
  --ac:#8B7CFF;--ac2:#3EE0CF;--ok:#4ADE80;--warn:#FBBF24;--bad:#F87171;
  --gr:linear-gradient(100deg,#B4A9FF 0%,#8B7CFF 35%,#3EE0CF 100%);
  --r:18px;--r2:22px;
  --f:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:dark;
}
*,*:before,*:after{box-sizing:border-box}
*{margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{background:var(--bg);color:var(--tx);font:400 16px/1.65 var(--f);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;min-height:100vh}
img,svg,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
::selection{background:rgba(139,124,255,.4)}
:focus-visible{outline:2px solid var(--ac);outline-offset:3px;border-radius:6px}
.w{width:min(1200px,100% - 40px);margin-inline:auto}
.w.nr{width:min(860px,100% - 40px)}
.mono{font-family:var(--mono);letter-spacing:0}
.grad{background:var(--gr);-webkit-background-clip:text;background-clip:text;color:transparent}
.mu{color:var(--mu)}
.hide{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- nền ---------- */
.bgfx{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(600px circle at var(--mx,70%) var(--my,10%),rgba(139,124,255,.12),transparent 60%),
   radial-gradient(900px 500px at 85% -10%,rgba(62,224,207,.09),transparent 70%),var(--bg)}
.bgfx:after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);opacity:.5}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:60;-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);background:rgba(8,9,11,.66);border-bottom:1px solid var(--line)}
.top .w{display:flex;align-items:center;gap:24px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;letter-spacing:-.02em;flex:none}
.logo svg{height:40px;width:auto;display:block}
.foot .logo svg{height:46px}
.logo i{width:24px;height:24px;border-radius:7px;background:var(--gr);position:relative;box-shadow:0 0 24px rgba(139,124,255,.5)}
.logo i:after{content:"";position:absolute;inset:6px;border-radius:3px;background:var(--bg)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;font-size:14.5px}
.nav>a,.nav .dd>button{color:var(--mu);padding:8px 12px;border-radius:9px;transition:color .2s,background .2s;background:none;border:0;cursor:pointer;display:flex;align-items:center;gap:5px}
.nav>a:hover,.nav .dd>button:hover,.nav>a[aria-current=page]{color:var(--tx);background:rgba(255,255,255,.05)}
.nav .dd{position:relative}
.nav .dd>button:after{content:"";width:6px;height:6px;border:solid currentColor;border-width:0 1.5px 1.5px 0;transform:translateY(-2px) rotate(45deg);opacity:.7}
.nav .menu{position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,6px);width:520px;display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:10px;background:rgba(17,19,24,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--line2);border-radius:16px;box-shadow:0 30px 80px -20px rgba(0,0,0,.8);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
.nav .dd:hover .menu,.nav .dd:focus-within .menu,.nav .dd.open .menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav .menu:before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.nav .menu a{display:block;padding:10px 12px;border-radius:10px;transition:background .2s}
.nav .menu a:hover{background:rgba(255,255,255,.06)}
.nav .menu b{display:block;font-weight:600;font-size:14px;color:var(--tx)}
.nav .menu small{display:block;font-size:12.5px;color:var(--mu2);line-height:1.4}
.top .btn.sm{margin-left:8px}
.mn{display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line2);background:rgba(255,255,255,.03);cursor:pointer;place-items:center;margin-left:auto}
.mn span,.mn span:before,.mn span:after{display:block;width:18px;height:1.6px;background:var(--tx);border-radius:2px;position:relative;transition:transform .25s,background .25s}
.mn span:before,.mn span:after{content:"";position:absolute;left:0}
.mn span:before{top:-6px}.mn span:after{top:6px}
.top.open .mn span{background:transparent}
.top.open .mn span:before{transform:translateY(6px) rotate(45deg)}
.top.open .mn span:after{transform:translateY(-6px) rotate(-45deg)}
@media(max-width:960px){
  .mn{display:grid}
  .top .btn.sm{display:none}
  .nav{position:fixed;left:0;right:0;top:66px;height:calc(100dvh - 66px);flex-direction:column;align-items:stretch;gap:0;margin:0;padding:12px 20px 40px;background:var(--bg);overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .25s,visibility .25s;font-size:17px}
  .top.open .nav{opacity:1;visibility:visible;transform:none}
  .nav>a,.nav .dd>button{padding:15px 4px;border-radius:0;border-bottom:1px solid var(--line);width:100%;justify-content:space-between;color:var(--tx)}
  .nav .menu{position:static;transform:none;width:auto;grid-template-columns:1fr;opacity:1;visibility:visible;display:none;background:transparent;border:0;box-shadow:none;padding:4px 0 10px}
  .nav .dd.open .menu{display:grid;transform:none}
  .nav .dd:hover .menu{transform:none}
  .nav .m-cta{display:flex!important;margin-top:20px}
  body.lock{overflow:hidden}
}
.nav .m-cta{display:none}

/* ---------- nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15px;line-height:1.2;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;white-space:nowrap;cursor:pointer;border:0;text-align:center}
.btn.p{background:var(--tx);color:#0B0C0F}
.btn.p:hover{transform:translateY(-1px);box-shadow:0 10px 30px rgba(139,124,255,.35)}
.btn.g{border:1px solid var(--line2);color:var(--tx);background:rgba(255,255,255,.03)}
.btn.g:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24)}
.btn.ac{background:var(--gr);color:#0B0C0F}
.btn.ac:hover{transform:translateY(-1px);box-shadow:0 10px 30px rgba(62,224,207,.3)}
.btn.sm{min-height:38px;padding:0 16px;font-size:14px}
.btn.full{width:100%}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
@media(max-width:480px){.cta .btn{flex:1 1 100%}}

/* ---------- chữ ---------- */
h1{font-size:clamp(36px,4.6vw,60px);line-height:1.06;letter-spacing:-.035em;font-weight:700;margin:20px 0 18px;text-wrap:balance}
h2{font-size:clamp(28px,3.6vw,46px);line-height:1.12;letter-spacing:-.03em;font-weight:700;margin:14px 0 14px;max-width:780px;text-wrap:balance}
h3{font-size:19px;line-height:1.3;letter-spacing:-.01em;font-weight:600}
.lead{font-size:18px;color:var(--mu);max-width:600px}
.lead strong,.sub strong{color:var(--tx);font-weight:500}
.sub{color:var(--mu);font-size:17px;max-width:620px}
.eb{font:500 12.5px var(--mono);color:var(--ac2);text-transform:uppercase;letter-spacing:.14em;display:flex;align-items:center;gap:10px}
.eb:before{content:"";width:18px;height:1px;background:var(--ac2);flex:none}
.pill{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 8px;border:1px solid var(--line2);border-radius:999px;font-size:13.5px;color:var(--mu);background:rgba(255,255,255,.03)}
.pill b{font-weight:600;color:#0B0C0F;background:var(--ac2);border-radius:999px;padding:2px 9px;font-size:12px}
.tag{display:inline-flex;align-items:center;gap:6px;font:500 12.5px var(--mono);padding:4px 10px;border-radius:7px;background:rgba(139,124,255,.14);color:#C4BBFF}
.tag.ok{background:rgba(74,222,128,.13);color:#86EFAC}
.tag.ac{background:rgba(62,224,207,.13);color:#5EEAD4}
.tag.wa{background:rgba(251,191,36,.13);color:#FCD34D}
.hd{margin-bottom:40px}
.hd.c{text-align:center}.hd.c h2,.hd.c .sub{margin-inline:auto}.hd.c .eb{justify-content:center}
.hd-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.hd-row .hd{margin:0}
.more{display:inline-flex;align-items:center;gap:8px;color:var(--tx);font-weight:600;font-size:15px;border-bottom:1px solid var(--line2);padding-bottom:3px;transition:border-color .2s,gap .2s}
.more:hover{border-color:var(--ac2);gap:12px}

/* ---------- khối ---------- */
.sec{padding:110px 0 0}
.sec.sm{padding-top:80px}
.sec:last-of-type{padding-bottom:20px}
.pg-hero{padding:64px 0 10px}
.pg-hero h1{max-width:860px}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--mu2);margin-bottom:22px}
.crumb a{color:var(--mu)}.crumb a:hover{color:var(--tx)}
.crumb span:before{content:"/";margin-right:8px;opacity:.5}
@media(max-width:600px){.sec{padding-top:80px}.pg-hero{padding-top:40px}}

/* ---------- hero trang chủ ---------- */
.hero{padding:72px 0 40px}
.hero>.w{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
.logos{display:flex;align-items:center;gap:16px;margin-top:44px;flex-wrap:wrap}
.logos small{font:500 12px var(--mono);color:var(--mu2);text-transform:uppercase;letter-spacing:.12em}
.logos div{display:flex;gap:8px;flex-wrap:wrap}
.logos span{height:38px;padding:0 12px;border-radius:10px;background:#EDEEF1;display:flex;align-items:center}
.logos img{height:20px;width:auto}
@media(max-width:980px){.hero>.w{grid-template-columns:1fr;gap:60px}}
@media(max-width:560px){.hero{padding-top:44px}}

/* ---------- khung trình duyệt ---------- */
.stage{position:relative}
.br{position:relative;border-radius:16px;background:#0F1115;border:1px solid var(--line2);box-shadow:0 40px 120px -20px rgba(0,0,0,.8),0 0 80px -10px rgba(139,124,255,.25);overflow:hidden}
.br .bar{display:flex;align-items:center;gap:12px;height:40px;padding:0 14px;border-bottom:1px solid var(--line);background:#14161B}
.dots{display:flex;gap:6px;flex:none}.dots i{width:10px;height:10px;border-radius:50%;background:#2A2D35}
.url{flex:1;min-width:0;height:24px;border-radius:7px;background:#0B0C10;display:flex;align-items:center;gap:7px;padding:0 10px;font-size:12px;color:var(--mu);overflow:hidden;white-space:nowrap}
.url svg{flex:none}
.url .cur{display:inline-block;width:1px;height:12px;background:var(--tx);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.view{position:relative;aspect-ratio:16/11;overflow:hidden;background:#fff}
.view img{position:absolute;inset:0 0 auto 0;width:100%;height:auto;opacity:0;transition:opacity .8s}
.view img.on{opacity:1;animation:scrollsite 9s cubic-bezier(.5,0,.3,1) forwards}
@keyframes scrollsite{0%,12%{transform:translateY(0)}100%{transform:translateY(calc(-100% + var(--vh,380px)))}}
.view .prog{position:absolute;left:0;bottom:0;height:2px;background:var(--gr);width:0}
.view .prog.run{animation:prog 9s linear forwards}@keyframes prog{to{width:100%}}

/* thẻ nổi quanh khung */
.fl{position:absolute;z-index:3;background:rgba(17,19,24,.84);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line2);border-radius:14px;padding:12px 14px;box-shadow:0 20px 50px -10px rgba(0,0,0,.6);font-size:13px;line-height:1.4}
.fl .k{color:var(--mu);font-size:11.5px}
.f1{left:-28px;bottom:54px;display:flex;align-items:center;gap:12px;animation:bob 6s ease-in-out infinite}
.f2{right:-22px;top:70px;width:200px;animation:bob 7s ease-in-out -2s infinite}
.f3{right:24px;bottom:-22px;animation:bob 6.5s ease-in-out -4s infinite}
@keyframes bob{50%{transform:translateY(-8px)}}
.ring{--p:0;width:46px;height:46px;border-radius:50%;background:conic-gradient(var(--ok) calc(var(--p)*1%),#23262E 0);display:grid;place-items:center;flex:none}
.ring b{width:36px;height:36px;border-radius:50%;background:#111318;display:grid;place-items:center;font:600 10.5px var(--mono);color:var(--ok)}
.ring.lg{width:96px;height:96px}.ring.lg b{width:80px;height:80px;font-size:20px}
.toast{display:flex;gap:10px;align-items:center}
.toast .ic{width:30px;height:30px;border-radius:9px;background:rgba(74,222,128,.15);display:grid;place-items:center;color:var(--ok);flex:none}
.f2 .row{display:flex;justify-content:space-between;margin-top:8px;font-family:var(--mono);font-size:11.5px;color:var(--mu)}
.f2 .row b{color:var(--tx);font-weight:500}
.spark{margin-top:8px;height:34px;width:100%}
.live{width:8px;height:8px;border-radius:50%;background:var(--ok);animation:pulse 1.8s infinite;flex:none}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(74,222,128,.6)}70%{box-shadow:0 0 0 8px rgba(74,222,128,0)}100%{box-shadow:0 0 0 0 rgba(74,222,128,0)}}
@media(max-width:980px){.f1{left:8px}.f2{right:8px;top:56px}}
@media(max-width:560px){.f2{display:none}.f1{left:10px;bottom:30px;padding:9px 11px}.f3{right:10px;bottom:-18px}.ring{width:40px;height:40px}.ring b{width:31px;height:31px}}

/* ---------- viền sáng theo chuột ---------- */
.card,.bx,.pc,.spot{position:relative}
.card:before,.bx:before,.pc:before,.spot:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:radial-gradient(380px circle at var(--x,50%) var(--y,50%),rgba(139,124,255,.65),transparent 45%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s;pointer-events:none;z-index:1}
.card:hover:before,.bx:hover:before,.pc:hover:before,.spot:hover:before{opacity:1}

/* ---------- thẻ & lưới ---------- */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:var(--r);background:var(--card);padding:26px;display:flex;flex-direction:column;gap:8px}
.card p{color:var(--mu);font-size:15px}
.card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(139,124,255,.12);border:1px solid rgba(139,124,255,.25);font-size:20px;margin-bottom:10px;color:#C4BBFF}
.card .ic svg{width:22px;height:22px}
a.card{transition:transform .3s var(--ease),border-color .3s}
a.card:hover{transform:translateY(-3px);border-color:var(--line2)}
a.card .go{margin-top:auto;padding-top:12px;font-weight:600;font-size:14.5px;color:var(--tx);display:flex;align-items:center;gap:6px}
a.card:hover .go{color:var(--ac2)}
.card .num{font:500 13px var(--mono);color:var(--mu2)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.bx{grid-column:span 2;border:1px solid var(--line);border-radius:var(--r);background:var(--card);padding:24px;overflow:hidden;min-height:250px;display:flex;flex-direction:column}
.bx.wide{grid-column:span 3}.bx.big{grid-column:span 4}.bx.full{grid-column:span 6}
.bx h3{margin-top:auto;padding-top:18px}
.bx p{color:var(--mu);font-size:14.5px;margin-top:6px}
.bx .vis{flex:1;display:flex;align-items:center;justify-content:center;min-height:110px}
.bx .big-n{font:700 46px/1 var(--f);letter-spacing:-.04em}
@media(max-width:980px){.bento{grid-template-columns:repeat(2,1fr)}.bx,.bx.wide{grid-column:span 1}.bx.big,.bx.full{grid-column:span 2}}
@media(max-width:620px){.bx,.bx.wide,.bx.big,.bx.full{grid-column:span 2}}

/* minh họa trong bento */
.serp{width:100%;background:#fff;color:#202124;border-radius:12px;padding:14px 16px;font-family:Arial,sans-serif;box-shadow:0 10px 30px -10px rgba(0,0,0,.5);line-height:1.4}
.serp .u{font-size:12px;color:#4d5156;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.serp .u i{width:18px;height:18px;border-radius:50%;background:var(--gr)}
.serp .t{color:#1a0dab;font-size:17px;margin:4px 0 2px}
.serp .d{font-size:13px;color:#4d5156}
.feed{width:100%;display:flex;flex-direction:column;gap:8px;font-size:13px}
.feed div{display:flex;align-items:center;gap:10px;background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:9px 12px}
.feed .tag{margin-left:auto}
.term{width:100%;font:12.5px/1.75 var(--mono);color:var(--mu);background:#0A0B0E;border:1px solid var(--line);border-radius:12px;padding:14px 16px;min-height:120px}
.term .ok{color:var(--ok)}.term .a{color:var(--ac2)}
.chiplist{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.chiplist span{font:500 12px var(--mono);padding:7px 11px;border-radius:9px;border:1px solid var(--line2);background:var(--card2);color:var(--mu)}
.chiplist span b{color:var(--ok);font-weight:500}

/* dự án & mẫu */
.proj{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.proj.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:980px){.proj.g3{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.proj,.proj.g3{grid-template-columns:1fr}}
.pj,.mau{display:block;border:1px solid var(--line);border-radius:var(--r2);background:var(--card);overflow:hidden;transition:border-color .3s,transform .3s var(--ease)}
.pj:hover,.mau:hover{border-color:var(--line2);transform:translateY(-3px)}
.pj .sh,.mau .sh{position:relative;aspect-ratio:16/10;overflow:hidden;background:#fff;margin:12px 12px 0;border-radius:12px}
.pj .sh img{position:absolute;top:0;left:0;width:100%;height:auto;transition:transform 5s cubic-bezier(.4,0,.2,1)}
.pj:hover .sh img{transform:translateY(calc(-100% + var(--h,300px)))}
.mau .sh img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .8s var(--ease)}
.mau:hover .sh img{transform:scale(1.04)}
.pj .in,.mau .in{display:flex;align-items:center;gap:14px;padding:16px 20px 20px}
.pj .in>div,.mau .in>div{flex:1;min-width:0}
.pj h3,.mau h3{font-size:18px}
.pj p,.mau p{color:var(--mu);font-size:14px}
.go-c{width:40px;height:40px;border-radius:50%;border:1px solid var(--line2);display:grid;place-items:center;transition:background .3s,transform .3s,color .3s;flex:none}
.pj:hover .go-c,.mau:hover .go-c{background:var(--tx);color:#0B0C0F;transform:rotate(-45deg)}
.mau .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}

/* lọc */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.chips button{min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.03);color:var(--mu);font-size:14.5px;font-weight:500;cursor:pointer;transition:all .2s}
.chips button:hover{color:var(--tx)}
.chips button[aria-pressed=true]{background:var(--tx);color:#0B0C0F;border-color:var(--tx)}

/* số liệu & quy trình */
.stat b{display:block;font:700 clamp(34px,4vw,48px)/1 var(--f);letter-spacing:-.04em}
.stat span{color:var(--mu);font-size:14.5px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:st}
.st{position:relative;border:1px solid var(--line);border-radius:var(--r);background:var(--card);padding:24px}
.st:before{counter-increment:st;content:"0" counter(st);font:500 13px var(--mono);color:var(--ac2);display:block;margin-bottom:28px}
.st:after{content:"";position:absolute;top:33px;left:64px;right:-16px;height:1px;background:linear-gradient(90deg,var(--line2),transparent)}
.st:last-child:after{display:none}
.st small{font:500 12px var(--mono);color:var(--mu2);display:block;margin-bottom:6px}
.st p{color:var(--mu);font-size:14.5px;margin-top:6px}
@media(max-width:980px){.steps{grid-template-columns:1fr 1fr}.st:after{display:none}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ---------- bảng giá ---------- */
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
.price.g4{grid-template-columns:repeat(4,1fr)}
.price.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1080px){.price.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.price{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.price,.price.g4,.price.g2{grid-template-columns:1fr}}
.pc{border:1px solid var(--line);border-radius:var(--r2);background:var(--card);padding:28px;display:flex;flex-direction:column;gap:10px}
.pc h3{font-size:20px}
.pc .gia{font:700 40px/1.05 var(--f);letter-spacing:-.04em;margin:6px 0 2px}
.pc .gia small{font:500 15px var(--f);color:var(--mu);letter-spacing:0;margin-left:4px}
.pc>p{color:var(--mu);font-size:14.5px}
.pc .btn{margin-top:auto}
.pc ul.ck{margin:8px 0 20px}
.pc.hot{background:linear-gradient(var(--card),var(--card)) padding-box,var(--gr) border-box;border:1px solid transparent;box-shadow:0 30px 80px -30px rgba(139,124,255,.5)}
.pc .badge{position:absolute;top:-12px;right:22px;font:600 12px var(--mono);padding:4px 10px;border-radius:999px;background:var(--gr);color:#0B0C0F;z-index:2}
ul.ck{list-style:none;padding:0;display:flex;flex-direction:column;gap:9px}
ul.ck li{position:relative;padding-left:28px;font-size:15px;color:#D5D8DE}
ul.ck li:before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:rgba(74,222,128,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234ADE80' stroke-width='3'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/11px no-repeat}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:10px}
.faq details{border:1px solid var(--line);border-radius:16px;background:var(--card);transition:border-color .2s}
.faq details[open]{border-color:var(--line2)}
.faq summary{list-style:none;cursor:pointer;padding:20px 56px 20px 22px;font-weight:600;font-size:16.5px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;border:1px solid var(--line2);display:grid;place-items:center;font:400 18px/1 var(--mono);color:var(--mu);transition:transform .3s}
.faq details[open] summary:after{transform:translateY(-50%) rotate(45deg)}
.faq .a{padding:0 22px 20px;color:var(--mu)}
.faq .a p+p{margin-top:10px}

/* ---------- bảng ---------- */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--card);-webkit-overflow-scrolling:touch}
.tbl table{width:100%;border-collapse:collapse;min-width:560px;font-size:15px}
.tbl th,.tbl td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font:500 13px var(--mono);color:var(--mu);text-transform:uppercase;letter-spacing:.06em;background:rgba(255,255,255,.02)}
.tbl tr:last-child td{border-bottom:0}
.tbl td{color:#D5D8DE}

/* ---------- form ---------- */
.fm{display:flex;flex-direction:column;gap:16px}
.fm label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;color:#D5D8DE}
.fm input,.fm select,.fm textarea{width:100%;min-height:48px;border-radius:12px;border:1px solid var(--line2);background:#0A0B0E;color:var(--tx);padding:12px 14px;font:400 16px var(--f);outline:none;transition:border-color .2s,box-shadow .2s}
.fm textarea{min-height:120px;resize:vertical}
.fm input:focus,.fm select:focus,.fm textarea:focus{border-color:var(--ac);box-shadow:0 0 0 4px rgba(139,124,255,.18)}
.fm ::placeholder{color:var(--mu2)}
.fm .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:620px){.fm .row{grid-template-columns:1fr}}
fieldset.bd{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:var(--card)}
fieldset.bd legend{font-weight:600;padding:0 8px;font-size:15px}
.chk{display:flex;flex-wrap:wrap;gap:8px}
.chk label{margin:0;cursor:pointer}
.chk input{position:absolute;opacity:0;width:1px;height:1px;min-height:0}
.chk span{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.03);color:var(--mu);font-size:14.5px;transition:all .2s}
.chk input:checked+span{background:rgba(139,124,255,.18);border-color:var(--ac);color:var(--tx)}
.chk input:focus-visible+span{outline:2px solid var(--ac);outline-offset:2px}
.ok-msg{border:1px solid rgba(74,222,128,.3);background:rgba(74,222,128,.08);color:#BBF7D0;border-radius:14px;padding:16px 18px}

/* ---------- nội dung dài ---------- */
.prose{max-width:68ch;font-size:17.5px;line-height:1.75;color:#D5D8DE}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(24px,2.6vw,30px);margin-top:2em;color:var(--tx)}
.prose h3{font-size:20px;margin-top:1.6em;color:var(--tx)}
.prose a{color:#B4A9FF;text-decoration:underline;text-decoration-color:rgba(180,169,255,.4);text-underline-offset:3px}
.prose a:hover{text-decoration-color:currentColor}
.prose strong{color:var(--tx);font-weight:600}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.45em}
.prose li::marker{color:var(--ac2)}
.prose blockquote{border-left:2px solid var(--ac);padding:4px 0 4px 18px;color:var(--mu)}
.prose img{border-radius:14px;border:1px solid var(--line)}
.prose code{font:14px var(--mono);background:var(--card2);padding:2px 6px;border-radius:6px}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.prose>table{display:block;overflow-x:auto;border-collapse:collapse;font-size:15px;border:1px solid var(--line);border-radius:14px}
.prose>table th,.prose>table td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.prose>table th{background:rgba(255,255,255,.03);color:var(--tx)}
@media(max-width:600px){.prose{font-size:17px}}
.toc{position:sticky;top:96px;font-size:14px;border-left:1px solid var(--line);padding-left:18px}
.toc b{display:block;font:500 12px var(--mono);color:var(--mu2);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}
.toc a{display:block;color:var(--mu);padding:5px 0;line-height:1.4}
.toc a:hover,.toc a.on{color:var(--tx)}
.prog-bar{position:fixed;top:0;left:0;height:2px;background:var(--gr);width:0;z-index:70}

/* ---------- khối cuối ---------- */
.end{margin-top:120px;padding:90px 0 100px;border-top:1px solid var(--line);text-align:center;background:radial-gradient(600px 300px at 50% 0,rgba(139,124,255,.18),transparent 70%)}
.end h2,.end .sub{margin-inline:auto}
.end .eb{justify-content:center}
.end .cta{justify-content:center}
.me{display:flex;align-items:center;gap:14px;text-align:left;border:1px solid var(--line);border-radius:16px;background:var(--card);padding:14px 18px;max-width:440px;margin:36px auto 0}
.me img{width:56px;height:56px;border-radius:50%;object-fit:cover;flex:none}
.me b{display:block}
.me span{display:block;color:var(--mu);font-size:14px;line-height:1.5}
.me a{color:var(--tx)}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:64px 0 28px;font-size:14.5px;color:var(--mu)}
.foot .cols{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}
.foot .about p{margin-top:14px;max-width:320px}
.foot h4{font:500 12px var(--mono);color:var(--mu2);text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}
.foot ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:9px}
.foot a:hover{color:var(--tx)}
.foot .bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px;color:var(--mu2)}
@media(max-width:900px){.foot .cols{grid-template-columns:1fr 1fr}.foot .about{grid-column:span 2}}
@media(max-width:480px){.foot .cols{grid-template-columns:1fr}.foot .about{grid-column:auto}}

/* ---------- Zalo nổi + thanh đáy mobile ---------- */
.zl{position:fixed;right:20px;bottom:22px;z-index:55;width:58px;height:58px;border-radius:50%;background:#0068FF;color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;box-shadow:0 10px 30px -6px rgba(0,104,255,.6);transition:transform .2s}
.zl:hover{transform:scale(1.06)}
.zl:after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid rgba(0,104,255,.5);animation:zr 2.4s infinite}
@keyframes zr{0%{transform:scale(.9);opacity:1}100%{transform:scale(1.3);opacity:0}}
.mbar{display:none}
@media(max-width:760px){
  .zl{display:none}
  .mbar{display:flex;gap:8px;position:fixed;left:10px;right:10px;bottom:10px;z-index:55;padding:8px;border-radius:18px;background:rgba(17,19,24,.9);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line2);box-shadow:0 20px 50px -10px rgba(0,0,0,.7);transition:transform .3s,opacity .3s}
  .mbar .btn{flex:1;min-height:46px}
  .mbar.off{transform:translateY(140%);opacity:0}
  body{padding-bottom:84px}
}

/* ---------- hiện dần ---------- */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .rv{opacity:1;transform:none}}

/* ---------- chống tràn ngang: con của lưới được co nhỏ hơn nội dung dài ---------- */
.grid>*,.bento>*,.price>*,.proj>*,.steps>*,.hero>.w>*,.pg-hero .w>*,.pg-hero .w>*>*{min-width:0}
.prose{min-width:0;overflow-wrap:break-word}
h1,h2,h3,.lead,.sub,.crumb{overflow-wrap:break-word}