/* TD Soft — bảng kiểu CHUNG cho website (header, footer, màu, trang chủ, trang con).
   Nguồn duy nhất: src/site.css. tool/build_site.py chép sang public/assets/ — đừng sửa bản chép.
   Màu thương hiệu: MỰC #14182B, OCHRE #C98A2E. Header, đầu trang chủ, dải liên hệ và footer luôn nền mực. */
:root{
  --ink:#14182B; --ochre:#C98A2E; --ochre-hi:#D99A3C;
  --bg:#FFFFFF; --bg-alt:#F5F6F8; --surface:#FFFFFF; --text:#14182B; --muted:#5B6070; --line:#E4E6EB; --chip:#EEF0F3;
  --link:#8A5A12; --on-ink:#FFFFFF; --on-ink-muted:#B8BDCB; --on-ink-dim:#A3A9BA; --on-ink-line:#ffffff14; --stage:#1D2236;
  --shadow:0 1px 2px #14182B0F,0 8px 24px #14182B0F;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0E111C; --bg-alt:#141826; --surface:#171B2A; --text:#EEF0F5; --muted:#A3A9B8; --line:#262B3B; --chip:#222738;
    --link:#E0A94E; --shadow:none; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0E111C; --bg-alt:#141826; --surface:#171B2A; --text:#EEF0F5; --muted:#A3A9B8; --line:#262B3B; --chip:#222738;
  --link:#E0A94E; --shadow:none; color-scheme:dark;
}
[hidden]{display:none!important}
*{box-sizing:border-box}
html{scroll-padding-top:84px;-webkit-text-size-adjust:100%}
.site{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 "Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
.site{display:flex;flex-direction:column;min-height:100vh}
.main{flex:1}
.wrap{width:min(1180px,100%);margin-inline:auto;padding-inline:24px}
.ic{flex:none}
.site a{color:inherit}
.site a:focus-visible,.site button:focus-visible{outline:2px solid var(--ochre);outline-offset:2px}
.skip{position:absolute;left:12px;top:-60px;z-index:20;background:var(--ochre);color:var(--ink)!important;padding:10px 14px;border-radius:8px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}

/* ── header (chung, luôn nền mực) ── */
.top{position:sticky;top:0;z-index:10;background:#14182Bf2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--on-ink-line)}
.top-row{display:flex;align-items:center;gap:36px;min-height:68px}
.brand{display:inline-flex;color:var(--on-ink);text-decoration:none;border-radius:6px}
.site .brand{color:var(--on-ink)}
.brand:hover .logo-svg{opacity:.85}
.logo-svg{height:26px;width:auto;display:block}
.nav{display:flex;gap:4px;flex:1}
.nav a{color:var(--on-ink-muted);text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:8px}
.site .nav a{color:var(--on-ink-muted)}
.site .nav a:hover{color:var(--on-ink);background:var(--on-ink-line)}

/* ── nút ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:10px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s}
.btn svg{width:18px;height:18px;flex:none}
.site .btn-top{background:#fff;color:var(--ink)}
.site .btn-top:hover{background:#E9EBF0}
.site .btn-ochre{background:var(--ochre);color:var(--ink)}
.site .btn-ochre:hover{background:var(--ochre-hi)}
.site .btn-ghost{border-color:#ffffff40;color:#fff}
.site .btn-ghost:hover{background:var(--on-ink-line);border-color:#ffffff73}
.site .btn-line{border-color:var(--line);color:var(--text)}
.site .btn-line:hover{border-color:var(--text)}
.btn-sm{min-height:44px;padding:0 16px;font-size:14px}
.site .text-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-weight:700;text-decoration:none;color:var(--link)}
.site .text-link:hover{text-decoration:underline;text-underline-offset:3px}
.text-link svg{width:16px;height:16px}
.chip{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--chip)}
.chip-soon{display:inline-flex;align-self:center;background:transparent;border:1px dashed var(--muted);color:var(--muted);white-space:nowrap}

/* ── trình chiếu đầu trang chủ ── */
.hero{background:var(--ink);color:#fff}
.hero-hs{padding:0}
.hs{position:relative;padding-bottom:8px}
.slides{display:grid}
.slide{grid-area:1/1;position:relative;display:block;overflow:hidden;opacity:0;visibility:hidden;transition:opacity .45s,visibility .45s}
.slide.on{opacity:1;visibility:visible}
.hs-bg{position:absolute;inset:-40px;width:calc(100% + 80px);height:calc(100% + 80px);object-fit:cover;filter:blur(34px) saturate(1.1) brightness(.42);z-index:0}
.hs-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;align-items:center;gap:48px;min-height:560px;padding-block:64px 96px}
.has-art .hs-inner{grid-template-columns:1fr 1fr}
.hs-k{margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ochre)}
.h1{margin:0 0 20px;font-weight:800;font-size:clamp(2.1rem,4.2vw,3.4rem);line-height:1.1;letter-spacing:-.025em;text-wrap:balance;color:#fff}
.hero .dim{color:var(--on-ink-dim)}
.br-wide{display:none}
@media (min-width:1100px){.br-wide{display:inline}}
.hs-t{margin:0 0 18px;font-weight:800;font-size:clamp(2rem,3.6vw,3rem);line-height:1.12;letter-spacing:-.02em;color:#fff;text-wrap:balance}
.hs .sub{margin:0 0 28px;max-width:52ch;color:var(--on-ink-muted);font-size:18px}
.hs-slide[data-i="0"] .sub{max-width:60ch}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.hs-vis{position:relative;height:420px;display:flex;align-items:center;justify-content:center}
.hs-art{width:100%;height:100%;object-fit:cover;object-position:50% 20%;border-radius:18px;box-shadow:0 30px 70px #0009}
.hs-phone{display:flex;gap:18px;align-items:center}
.hs-phone img{height:380px;width:auto;border-radius:22px;border:4px solid #0b0d18;box-shadow:0 20px 50px #0009;display:block}
.hs-phone img + img{height:330px;opacity:.9}
.win{position:absolute;left:16px;right:-30px;top:26px;bottom:-20px;border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 10px 30px #0007}
.win img{width:100%;height:auto;display:block}
.win-bar{display:flex;gap:5px;padding:7px 9px;background:#E9EBF0}
.win-bar i{width:8px;height:8px;border-radius:50%;background:#C5C9D3}
.hs-win{position:relative;inset:auto;width:100%;max-height:380px}
.wall{position:relative;width:100%;height:100%;display:block}
.wall-win{position:absolute;left:0;right:auto;top:56px;bottom:auto;width:74%;border-radius:12px;box-shadow:0 24px 60px #0009}
.wall-poster{position:absolute;right:0;top:0;height:88%;width:auto;aspect-ratio:2/3;object-fit:cover;border-radius:14px;box-shadow:0 24px 60px #000a}
.wall-phone{position:absolute;left:4%;bottom:0;height:64%;width:auto;border-radius:18px;border:4px solid #0b0d18;box-shadow:0 24px 60px #000a}
.hs-nav{position:absolute;left:0;right:0;bottom:24px;z-index:2;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
.hs-bars{display:flex;gap:8px;flex:1;max-width:420px}
.hs-bar{flex:1;padding:10px 0;border:0;background:none;cursor:pointer}
.hs-bar span{display:block;height:3px;border-radius:2px;background:#ffffff33;overflow:hidden;position:relative}
.hs-bar span::after{content:"";position:absolute;inset:0;background:#fff;transform:scaleX(0);transform-origin:left}
.hs-bar[aria-current="true"] span::after{animation:hsfill 7s linear forwards}
.hs.is-paused .hs-bar[aria-current="true"] span::after{animation-play-state:paused}
.hs-bar.done span::after{transform:scaleX(1)}
@keyframes hsfill{to{transform:scaleX(1)}}
.hs-count{color:var(--on-ink-muted);font-size:13px;font-variant-numeric:tabular-nums;margin-left:auto}
.hs-count b{color:#fff}
.news-ctrl{display:flex;gap:6px}
.arrow{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:1px solid #ffffff26;background:transparent;color:#fff;cursor:pointer}
.arrow:hover{background:var(--on-ink-line)}
.hs-play .ic + .ic{display:none}
.hs.is-paused .hs-play .ic:first-child{display:none}
.hs.is-paused .hs-play .ic + .ic{display:block}

/* ── các mục trang chủ ── */
.sec{padding-block:84px}
.sec-alt{background:var(--bg-alt)}
.kicker{margin:0 0 8px;font-size:14px;font-weight:700;color:var(--ochre);letter-spacing:.02em}
.h2{margin:0;font-weight:800;font-size:clamp(1.7rem,3vw,2.3rem);letter-spacing:-.02em;line-height:1.2}
.sec-sub{margin:10px 0 0;color:var(--muted)}
.h3{margin:48px 0 18px;font-size:20px;font-weight:700}
.area-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px 40px;margin-bottom:32px}
.area-head .sec-sub{max-width:60ch}
.cards{display:grid;gap:20px}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;transition:border-color .2s,transform .2s}
.site .card{color:var(--text)}
.card:hover{border-color:var(--ochre);transform:translateY(-3px)}
.card-body{display:flex;flex-direction:column;gap:8px;padding:18px 20px 20px;flex:1}
.card-body b{font-size:19px}
.card-d{color:var(--muted);font-size:15px;flex:1}
.card-go{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px}
.g-shot{height:280px;background:var(--stage);display:flex;justify-content:center;align-items:flex-start;padding-top:24px;overflow:hidden}
.g-shot img{width:52%;height:auto;border-radius:18px;border:4px solid #0b0d18;display:block}
.g-head{display:flex;gap:12px;align-items:center}
.g-ico{width:48px;height:48px;border-radius:12px}
.g-head span{display:flex;flex-direction:column}
.g-head small{color:var(--muted);font-size:13px}
.e-card{flex-direction:row;height:380px}
.e-poster{width:40%;height:100%;object-fit:cover;object-position:50% 20%;display:block;flex:none}
.e-type{font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ochre)}
.e-card .card-body b{font-size:24px}
.t-shot{display:block;margin:20px 20px 0;border-radius:10px 10px 0 0;overflow:hidden;border:1px solid var(--line);border-bottom:0;height:240px;background:#fff}
.t-shot img{width:100%;height:auto;display:block}

/* ── Solutions ── */
.sol-head{display:grid;grid-template-columns:1.1fr .9fr;gap:24px 56px;align-items:end;margin-bottom:8px}
.svc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.svc-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.svc-list .ic{margin-top:3px;color:var(--ochre)}
.sol-list{padding:20px 22px;background:var(--surface);border:1px solid var(--line);border-radius:16px}
.sub-tight{margin:-8px 0 20px}
.proj-grid{display:grid;grid-template-columns:1fr;gap:20px}
.proj{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:row}
.ph{width:46%;min-height:300px;flex:none;background:var(--stage);position:relative;overflow:hidden}
.mock{position:absolute;left:24px;right:24px;top:22px;bottom:22px;border-radius:12px;overflow:hidden;box-shadow:0 14px 34px #0008}
.mock-draw{background:var(--ink);border:1px solid #ffffff1f;display:flex;flex-direction:column;align-items:center;gap:14px;padding:18px}
.md-top{align-self:stretch;display:flex;align-items:center;gap:8px;color:#fff;font-size:13px}
.md-top i{width:10px;height:10px;border-radius:50%;background:var(--ochre)}
.md-reel{display:flex;gap:8px}
.md-reel em{display:grid;place-items:center;width:44px;height:58px;border-radius:8px;background:#fff;color:var(--ink);font-weight:800;font-size:30px;line-height:1;font-style:normal}
.md-reel em:first-child{background:var(--ochre)}
.md-btn{padding:6px 22px;border-radius:999px;background:var(--ochre);color:var(--ink);font-weight:700;font-size:13px}
.md-list{align-self:stretch;display:flex;flex-direction:column;gap:6px}
.md-list i{height:8px;border-radius:4px;background:#ffffff1f}
.proj-body{padding:20px;display:flex;flex-direction:column;gap:8px}
.proj-body p{margin:0;color:var(--muted);font-size:15px}
.proj-state{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--ochre)}
.proj-name{margin:0;font-size:18px;line-height:1.35}
.proj-list{list-style:none;margin:6px 0 4px;padding:0;display:flex;flex-direction:column;gap:6px;font-size:14px}
.proj-list li{display:flex;gap:8px}
.proj-list .ic{color:var(--ochre);margin-top:3px}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.steps li{display:flex;flex-direction:column;gap:4px;padding-top:14px;border-top:2px solid var(--line);counter-increment:step}
.steps li > span:last-child{color:var(--muted);font-size:15px}
.step-n{font-weight:800;color:var(--ochre)}
.step-n::before{content:counter(step)}

/* ── dải liên hệ + footer (luôn nền mực) ── */
.contact{background:var(--ink);color:#fff}
.contact-row{display:flex;flex-wrap:wrap;gap:24px 40px;align-items:center;justify-content:space-between;padding-block:64px}
.lead{margin:8px 0 0;color:var(--on-ink-muted);font-size:17px}
.contact-btns{display:flex;flex-wrap:wrap;gap:12px}
.foot{background:var(--ink);color:var(--on-ink-muted);font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.2fr 2fr 1.3fr;gap:24px;align-items:start;padding-block:40px 24px;border-bottom:1px solid var(--on-ink-line)}
.foot-note{margin:10px 0 0}
.foot-nav{display:flex;flex-wrap:wrap;gap:10px 22px}
.foot-nav a{text-decoration:none}
.site .foot-nav a:hover{color:#fff}
.prefs{display:flex;flex-direction:row;gap:10px;align-items:center;justify-content:flex-end}
.seg{display:inline-flex;padding:3px;border-radius:999px;border:1px solid #ffffff1f;background:#ffffff08}
.seg a,.seg button{display:grid;place-items:center;min-width:34px;height:30px;padding:0 10px;border:0;border-radius:999px;background:none;color:var(--on-ink-muted);font:600 13px/1 inherit;text-decoration:none;cursor:pointer}
.site .seg a{color:var(--on-ink-muted)}
.site .seg a:hover,.seg button:hover{color:#fff}
.site .seg [aria-current="true"],.seg [aria-pressed="true"]{background:#ffffff1f;color:#fff}
.foot-legal{padding-block:16px 28px}

/* ── trang con (Truyện & Phim, Hợp tác, 404): cùng khung, cùng màu ── */
.page-hero{background:var(--ink);color:#fff}
.page-hero-in{padding-block:72px 64px}
.eyebrow{display:inline-block;margin:0 0 12px;font-size:14px;font-weight:700;letter-spacing:.02em;color:var(--ochre)}
.hero-title{margin:0 0 18px;max-width:20ch;font-weight:800;font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.1;letter-spacing:-.025em;text-wrap:balance}
.hl{color:var(--ochre)}
.hero-sub{margin:0;max-width:58ch;color:var(--on-ink-muted);font-size:18px}
.hero-sub + .hero-sub{margin-top:10px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;margin-top:30px}
.site .page-hero .text-link{color:var(--ochre)}
.sec-title{margin:0 0 8px;font-weight:800;font-size:clamp(1.7rem,3vw,2.3rem);letter-spacing:-.02em;line-height:1.2}
.sec-lead{margin:0 0 32px;max-width:64ch;color:var(--muted);font-size:17px}
.story{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:start}
.story-art{margin:0}
.story-art img{display:block;width:100%;height:auto;border-radius:18px;aspect-ratio:16/10;object-fit:cover}
.story-name{margin:0 0 4px;font-weight:800;font-size:clamp(1.8rem,3.4vw,2.4rem);line-height:1.15;letter-spacing:-.02em}
.story-name small{font-size:.55em;font-weight:600;color:var(--muted)}
.story-from{margin:0 0 14px;color:var(--muted);font-weight:600}
.story-log{margin:0 0 22px;font-size:17px;max-width:60ch}
.formats{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.format{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.format-ico{width:40px;height:40px;border-radius:10px;background:var(--chip);color:var(--ochre);display:grid;place-items:center;flex:none}
.format-ico svg{width:22px;height:22px}
.format-body{flex:1;min-width:0}
.format-name{margin:0;font-weight:700;line-height:1.35}
.format-meta{margin:0;color:var(--muted);font-size:14px;line-height:1.4}
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:28px 0 0;padding:0;list-style:none}
.gallery img{display:block;width:100%;height:auto;border-radius:14px;aspect-ratio:3/4;object-fit:cover}
.gallery-note{margin:10px 0 0;color:var(--muted);font-size:14px}
.story-small{display:grid;grid-template-columns:auto minmax(0,1fr);gap:22px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px}
.story-small > img{display:block;width:96px;height:96px;border-radius:22px}
.offers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.offer{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}
.door-ico{width:48px;height:48px;border-radius:14px;background:var(--ochre);color:var(--ink);display:grid;place-items:center;flex:none}
.door-ico svg{width:26px;height:26px}
.offer-name{margin:0;font-size:19px;font-weight:700}
.offer-text{margin:0;color:var(--muted);font-size:15px}
.steps-cards li{background:var(--surface);border:1px solid var(--line);border-top:2px solid var(--ochre);border-radius:14px;padding:16px 18px 18px}
.proof{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.proof-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px}
.proof-name{margin:0 0 6px;font-weight:700}
.proof-text{margin:0;color:var(--muted);font-size:15px}
/* FAQ dùng cùng thẻ, đường viền và bảng màu với các mục Solutions. */
.faq{display:grid;gap:12px;max-width:78ch}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:0 20px}
.faq-question{padding-block:18px;font-weight:700;cursor:pointer}
.faq-question::marker{color:var(--ochre)}
.faq-question:focus-visible{outline:2px solid var(--ochre);outline-offset:4px;border-radius:4px}
.faq-answer{margin:0 0 20px;color:var(--muted)}
.band-title{margin:0 0 6px;font-weight:800;font-size:clamp(1.7rem,3vw,2.3rem);letter-spacing:-.02em;line-height:1.2}
.band-text{margin:0;color:var(--on-ink-muted);max-width:56ch}
.site .band-mail{display:inline-flex;align-items:center;min-height:44px;margin-top:6px;font-weight:700;color:var(--ochre);word-break:break-all}
.brief{margin:14px 0 0;padding-left:20px;color:var(--on-ink-muted)}
.nf{padding-block:96px;text-align:center}
.main:has(.nf){display:flex;flex-direction:column}
.page-hero:has(.nf){flex:1}
.nf .hero-title,.nf .hero-sub{margin-inline:auto}
.nf .hero-actions{justify-content:center}

/* ── màn hẹp ── */
@media (max-width:980px){
  .has-art .hs-inner{grid-template-columns:1fr}
  .hs-inner{min-height:0;padding-block:32px 84px;gap:24px}
  .hs-vis{height:240px;order:-1}
  .hs-slide[data-i="0"] .hs-vis{display:none}
  .hs-art{border-radius:14px}
  .hs-phone img{height:220px}
  .hs-phone img + img{height:190px}
  .hs-win{max-height:100%}  /* bản mẫu để khung 380px tràn đè lên dòng chữ trên điện thoại */
  .cards-3{grid-template-columns:1fr 1fr}
  .sol-head{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .prefs{justify-content:flex-start}
  .offers{grid-template-columns:repeat(2,minmax(0,1fr))}
  .story{grid-template-columns:minmax(0,1fr);gap:26px}
  .proof{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:720px){
  html{scroll-padding-top:116px}
  .wrap{padding-inline:16px}
  .top-row{gap:12px;flex-wrap:wrap;min-height:auto;padding-block:12px 0}
  .btn-top{margin-left:auto;min-height:40px;padding:0 16px}
  .nav{order:3;flex-basis:100%;overflow-x:auto;margin-inline:-16px;padding:4px 6px 8px;scrollbar-width:none;gap:0;justify-content:space-between}
  .nav a{white-space:nowrap;font-size:14px;padding:8px}
  .logo-svg{height:22px}
  .sec{padding-block:56px}
  .hs-nav .news-ctrl .arrow[data-step]{display:none}
  .hs-bars{max-width:none}
  .hs-vis{height:200px}
  .cards-3,.cards-2{grid-template-columns:1fr}
  .e-card{flex-direction:column;height:auto}
  .e-poster{width:100%;height:260px}
  .t-shot{height:180px}
  .proj{flex-direction:column}
  .ph{width:100%;min-height:220px}
  .mock{left:14px;right:14px;top:14px}
  .md-reel em{width:34px;height:46px;font-size:22px}
  .steps{grid-template-columns:1fr}
  .contact-row{padding-block:48px}
  .page-hero-in{padding-block:48px 44px}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .offers{grid-template-columns:minmax(0,1fr)}
  .story-small{grid-template-columns:minmax(0,1fr)}
  .story-small > img{width:72px;height:72px;border-radius:18px}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
  .hs-bar[aria-current="true"] span::after{animation:none;transform:scaleX(1)}
}
@media print{
  .top{position:static}
  .prefs,.skip,.hs-nav{display:none}
}

.t-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.t-tag{font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--chip);color:var(--text)}.t-for{color:var(--muted);font-size:13px;font-weight:600}
/* Hiệu ứng chuyển trang trình chiếu: nền trôi chậm, chữ lên lần lượt, hình trượt vào */
.slide{transition:opacity .7s ease,visibility .7s}
.hs-bg{transform:scale(1.12);transition:transform 7.5s ease-out}
.slide.on .hs-bg{transform:scale(1)}
.hs-copy>*{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.slide.on .hs-copy>*{opacity:1;transform:none}
.slide.on .hs-copy>*:nth-child(1){transition-delay:.15s}
.slide.on .hs-copy>*:nth-child(2){transition-delay:.25s}
.slide.on .hs-copy>*:nth-child(3){transition-delay:.35s}
.slide.on .hs-copy>*:nth-child(4){transition-delay:.45s}
.hs-vis{opacity:0;transform:translateX(40px) scale(.97);transition:opacity .7s ease .2s,transform .9s cubic-bezier(.2,.7,.2,1) .2s}
.slide.on .hs-vis{opacity:1;transform:none}
.hs-art,.hs-phone img,.hs-win,.wall>*{transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.hs-vis:hover .hs-art{transform:scale(1.015)}
@media (prefers-reduced-motion:reduce){.hs-bg,.hs-copy>*,.hs-vis{transition:none!important;transform:none!important;opacity:1!important}}
/* Màu đất chỉ là điểm nhấn nhỏ: tiêu đề hai tông như trang chủ, ô biểu tượng trung tính */
.hl{color:inherit}
.hero-title{color:#A3A9BA}.hero-title .hl{color:#fff}
.door-ico{background:var(--chip)!important;color:var(--text)!important}

/* Platform uses the same palette, type, buttons and window frame as the studio. */
.site .nav a[aria-current="page"]{color:var(--on-ink);background:var(--on-ink-line)}
.site .foot-nav a[aria-current="page"]{color:var(--on-ink);text-decoration:underline;text-underline-offset:4px}
.product-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:48px;align-items:center}
.product-heading{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.product-copy .t-for{margin:0 0 12px}
.product-desc{max-width:60ch;color:var(--muted);margin:20px 0}
.product-features{margin-bottom:28px}
.product-window{position:relative;inset:auto;display:block;width:100%;border:1px solid var(--line);box-shadow:var(--shadow)}
.product-trust{max-width:78ch;color:var(--muted);margin:20px 0 12px}
.anchor-alias{display:block;scroll-margin-top:116px}
@media(max-width:980px){.product-row{grid-template-columns:minmax(0,1fr);gap:28px}}
.hero-title{color:#fff}.hero-title:has(.hl){color:#A3A9BA}

/* Subsite identities: scoped so the studio retains its approved appearance. */
.brand-division{border-left:1px solid #ffffff45;margin-left:16px;padding-left:16px;align-self:center;font-size:16px;font-weight:500;line-height:26px}
.identity-platform{--bg:#F1F4F8;--bg-alt:#E9EDF4;--surface:#FAFCFF;--text:#182338;--muted:#536176;--line:#CFD7E5;--chip:#E3E9F4;--link:#2F4BFF;--product-accent:#2F4BFF;--dot:#B9C6DB}
.identity-solutions{--bg:#FBF9F4;--bg-alt:#F3EFE6;--surface:#FFFDF8;--text:#24272B;--muted:#63615C;--line:#DCD7CD;--chip:#EDE8DD;--link:#514333}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .identity-platform{--bg:#101722;--bg-alt:#141E2C;--surface:#1A2535;--text:#E7EDF9;--muted:#B0BDD2;--line:#344257;--chip:#25344D;--link:#9DAFFF;--product-accent:#9DAFFF;--dot:#344257}
  :root:not([data-theme="light"]) .identity-solutions{--bg:#1D1C19;--bg-alt:#25231F;--surface:#292722;--text:#F1ECE1;--muted:#BDB6A9;--line:#454137;--chip:#39352D;--link:#D6C4A4}
}
:root[data-theme="dark"] .identity-platform{--bg:#101722;--bg-alt:#141E2C;--surface:#1A2535;--text:#E7EDF9;--muted:#B0BDD2;--line:#344257;--chip:#25344D;--link:#9DAFFF;--product-accent:#9DAFFF;--dot:#344257}
:root[data-theme="dark"] .identity-solutions{--bg:#1D1C19;--bg-alt:#25231F;--surface:#292722;--text:#F1ECE1;--muted:#BDB6A9;--line:#454137;--chip:#39352D;--link:#D6C4A4}
.identity-platform .page-hero,.identity-solutions .page-hero{background:var(--bg);color:var(--text);border-bottom:1px solid var(--line)}
.identity-platform .hero-title,.identity-solutions .hero-title{color:var(--text)}
.identity-platform .hero-sub,.identity-solutions .hero-sub{color:var(--muted)}
.identity-platform .eyebrow,.identity-platform .h2,.product-index,.usage-label,.identity-platform .t-tag,.platform-manifest{font-family:"JetBrains Mono",monospace}
.identity-platform .eyebrow{color:var(--product-accent);font-size:12px}
.identity-platform .hero-title{font-family:"JetBrains Mono",monospace;font-size:clamp(2rem,3.3vw,3.1rem);font-weight:600;line-height:1.2;letter-spacing:-.055em;max-width:18ch}
.identity-platform .hero-sub{font-size:16px;max-width:48ch}
.platform-hero{position:relative;isolation:isolate}
/* A repeated CSS mask paints dots without decorative gradients. */
.platform-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--dot);mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3E%3Ccircle cx='1' cy='1' r='.7' fill='black'/%3E%3C/svg%3E");mask-repeat:repeat}
.platform-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:56px;align-items:center;padding-block:80px 72px}
.product-stack{position:relative;min-width:0;display:grid;align-items:start}
.product-stack .win{position:relative;grid-area:1 / 1;inset:auto;bottom:auto;border:1px solid var(--line);box-shadow:0 18px 45px #0D1F4026;border-radius:8px;width:89%}
.product-stack .stack-back{justify-self:start;margin-bottom:154px}
.product-stack .stack-front{justify-self:end;margin-top:154px}
.platform-manifest{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:30px;color:var(--muted);font-size:12px}
.identity-platform .btn-ochre{background:var(--product-accent);color:var(--bg);border-radius:5px}
.identity-platform .btn-ochre:hover{filter:brightness(.9)}
.identity-platform .text-link{color:var(--product-accent)}
.identity-platform .product-row{gap:64px;align-items:start}
.identity-platform .product-window{margin-top:48px;border-radius:6px;box-shadow:0 12px 36px #0D1F4014}
.product-index{margin:0 0 22px;font-size:12px;color:var(--product-accent);border-bottom:1px solid var(--line);padding-bottom:12px}
.identity-platform .product-heading .h2{font-size:30px;letter-spacing:-.04em}
.identity-platform .t-tag{border:1px solid var(--line);border-radius:4px;font-size:11px;padding:4px 8px;background:var(--chip)}
.identity-platform .product-features{gap:0;margin-bottom:20px}
.identity-platform .product-features li{padding-block:10px;border-bottom:1px solid var(--line);font-size:14px}
.identity-platform .svc-list .ic{color:var(--product-accent)}
.usage{border:1px solid var(--line);background:var(--surface);border-radius:5px;padding:12px 14px;margin-bottom:24px}
.usage-label{display:block;font-size:10px;color:var(--muted);margin-bottom:6px}
.usage-code{font:12px/1.9 "JetBrains Mono",monospace;margin:0;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--text)}
.identity-solutions .hero-title,.identity-solutions .h2,.identity-solutions .offer-name,.project-start-title,.identity-solutions .step-n{font-family:"Lora",Georgia,serif;font-weight:500;letter-spacing:-.035em}
.solutions-hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.9fr);gap:100px;align-items:center;padding-block:100px 96px}
.identity-solutions .eyebrow{color:var(--muted);font-size:12px;letter-spacing:.12em;border-left:3px solid var(--ochre);padding-left:12px}
.identity-solutions .hero-title{font-size:clamp(2.7rem,4.6vw,4.4rem);line-height:1.14;max-width:15ch;margin-bottom:24px}
.identity-solutions .hero-sub{font-size:17px;max-width:47ch;line-height:1.9;margin-bottom:24px}
.project-start{border:1px solid var(--line);padding:32px;background:var(--surface)}
.project-start-label{margin:0 0 40px;font-size:11px;letter-spacing:.1em;color:var(--muted)}
.project-start-title{font-size:29px;line-height:1.3;margin:0 0 16px}
.project-start-desc{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 24px}
.project-email{display:flex;align-items:center;justify-content:space-between;gap:12px;border-block:1px solid var(--line);padding-block:18px;font-size:16px;font-weight:500;text-decoration:none;overflow-wrap:anywhere}
.project-email:hover{text-decoration:underline}
.project-start .text-link{margin-top:12px;font-size:14px}
.identity-solutions .sec{padding-block:90px}
.identity-solutions .area-head{margin-bottom:40px}
.identity-solutions .h2{font-size:clamp(2rem,3vw,2.8rem)}
.identity-solutions .offers{counter-reset:offer;gap:30px}
.identity-solutions .offer{counter-increment:offer;border:0;border-top:1px solid var(--line);border-radius:0;background:none;padding:22px 0}
.identity-solutions .offer::before{content:counter(offer,decimal-leading-zero);font:400 44px/1.2 "Lora",Georgia,serif;color:var(--muted);margin-bottom:20px}
.identity-solutions .door-ico{display:none}
.identity-solutions .offer-name{font-size:22px;line-height:1.4}
.identity-solutions .proof-item{background:none;border:0;border-top:1px solid var(--line);border-radius:0;padding:24px 0}
.identity-solutions .proof{gap:24px 64px}
.identity-solutions .proj{border-radius:0}
.identity-solutions .steps-cards{grid-template-columns:1fr 1fr;gap:28px 64px}
.identity-solutions .steps-cards li{border:0;border-top:1px solid var(--line);border-radius:0;background:none;padding:22px 0;gap:10px}
.identity-solutions .step-n{font-size:48px;line-height:1.2;color:var(--muted)}
.identity-solutions .step-n::before{content:counter(step,decimal-leading-zero)}
.identity-solutions .faq{max-width:100%;gap:0}
.identity-solutions .faq-item{background:none;border:0;border-top:1px solid var(--line);border-radius:0;padding:0}
.identity-solutions .faq-answer{max-width:78ch}
.identity-solutions .btn-ochre{background:var(--text);color:var(--bg);border:1px solid var(--line);border-radius:3px}
.identity-solutions .contact .btn-ochre{background:#fff;color:var(--ink)}
@media(max-width:980px){
  .platform-hero-grid,.solutions-hero-grid{gap:32px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .product-stack .stack-back{margin-bottom:120px}
  .product-stack .stack-front{margin-top:120px}
  .project-start{padding:24px}
  .brand-division{margin-left:12px;padding-left:12px;font-size:14px}
}
@media(max-width:720px){
  .platform-hero-grid,.solutions-hero-grid{grid-template-columns:minmax(0,1fr);padding-block:44px;gap:36px}
  .identity-platform .hero-title{font-size:32px;max-width:18ch}
  .platform-hero .hero-actions .btn{width:auto}
  .product-stack .stack-back{margin-bottom:115px}
  .product-stack .stack-front{margin-top:115px}
  .identity-platform .product-row{gap:24px}
  .identity-platform .product-window{margin-top:0}
  .identity-platform .product-heading{gap:10px}
  .identity-solutions .hero-title{font-size:44px;max-width:14ch}
  .identity-solutions .hero-sub{font-size:16px}
  .project-start-label{margin-bottom:24px}
  .identity-solutions .sec{padding-block:56px}
  .identity-solutions .offers{gap:12px}
  .identity-solutions .offer::before{margin-bottom:10px}
  .identity-solutions .steps-cards{grid-template-columns:minmax(0,1fr)}
  .brand-division{font-size:13px;margin-left:10px;padding-left:10px}
}

/* Project brief: permanent labels and native controls in both palettes. */
.project-brief{display:grid;gap:8px;margin-bottom:24px}
.brief-title{font-size:18px;margin:0 0 8px}
.brief-label{font-size:14px;font-weight:600;margin-top:6px}
.brief-control{width:100%;min-width:0;min-height:44px;border:1px solid var(--line);border-radius:3px;padding:10px 12px;background:var(--bg);color:var(--text);font:inherit;font-size:14px;color-scheme:light dark}
.brief-control::placeholder{color:var(--muted);opacity:1}
.brief-control:focus-visible{outline:2px solid var(--ochre);outline-offset:2px}
textarea.brief-control{resize:vertical}
.brief-hint,.brief-status{font-size:13px;color:var(--muted);margin:0;overflow-wrap:anywhere}
.brief-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.brief-actions .btn{font-size:14px;white-space:normal}
.brief-actions .btn-ghost{color:var(--text);border:1px solid var(--line)}
.brief-actions .btn:disabled{opacity:.6;cursor:wait}
.brief-copy-buffer{position:fixed;left:-9999px;top:0}
.product-steps{margin:0;padding-left:22px;font-size:14px}
.product-step{padding:4px 0}
.usage .usage-label{font-size:13px;font-weight:600}
.identity-platform .product-heading{flex-wrap:wrap}
.identity-platform .t-tag{white-space:normal;max-width:100%}
.handover-list{padding-left:22px;line-height:2}
.solutions-hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:start;padding-block:64px}
.project-start-label{margin-bottom:20px}
@media(max-width:980px){.solutions-hero-grid{gap:32px}}
@media(max-width:720px){.solutions-hero-grid{grid-template-columns:minmax(0,1fr);padding-block:44px}}
.h2+.faq,.faq{margin-top:28px}