:root{
  --ink:#212b36;
  --ink-2:#4a5560;
  --muted:#637381;
  --line:#eae2f3;
  --bg:#ffffff;
  --bg-soft:#faf7fd;
  --lav:#f4eefa;
  --purple:#7a44b0;
  --purple-2:#9a6cc9;
  --pink:#ec4899;
  --cyan:#22d3ee;
  --radius:20px;
  --shadow:0 18px 44px -22px rgba(30,15,80,.38);
  --shadow-lg:0 30px 70px -30px rgba(30,15,80,.45);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.10em;text-transform:uppercase;color:var(--purple);
  background:rgba(122,68,176,.09);border:1px solid rgba(122,68,176,.18);
  padding:7px 14px;border-radius:999px;
}
svg.i{
  width:1em;height:1em;display:block;flex:none;
  fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
}
h1,h2,h3{line-height:1.18;margin:0;letter-spacing:-.02em}
h2{font-size:clamp(28px,3.4vw,42px);font-weight:800}
.lead{font-size:clamp(16px,1.4vw,18.5px);color:var(--ink-2)}
.section{padding:88px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{margin:16px 0 14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:15.5px;padding:14px 26px;border-radius:999px;
  border:1.5px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  white-space:nowrap;cursor:pointer;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(120deg,#7a44b0,#9a6cc9);color:#fff;box-shadow:0 14px 30px -14px rgba(122,68,176,.7)}
.btn-ghost{border-color:rgba(122,68,176,.28);color:var(--purple);background:#fff}
.btn-ghost:hover{border-color:var(--purple)}
.btn-line{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-line:hover{border-color:var(--purple);color:var(--purple)}
.btn-sm{padding:11px 20px;font-size:14.5px}


/* ---------- PRODUCT DROPDOWN ---------- */
.has-menu{position:relative}
.menu-trigger{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;cursor:pointer;
  font:inherit;font-weight:600;color:var(--ink-2);padding:0;
}
.menu-trigger:hover{color:var(--purple)}
.menu-trigger .chev{width:15px;height:15px;transition:transform .22s ease}
.has-menu:hover .menu-trigger .chev,.has-menu.open .menu-trigger .chev{transform:rotate(180deg)}
.menu-panel{
  position:absolute;top:100%;left:-18px;width:432px;padding-top:16px;z-index:80;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-menu:hover .menu-panel,.has-menu:focus-within .menu-panel{opacity:1;visibility:visible;transform:translateY(0)}
.menu-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:9px;
  box-shadow:0 30px 64px -30px rgba(66,32,100,.55);
}
.mrow{display:flex;gap:13px;align-items:flex-start;padding:11px 12px;border-radius:14px;transition:background .16s ease}
.mrow:hover{background:var(--bg-soft)}
.mrow>img{width:44px;height:44px;flex:none;border-radius:12px;object-fit:cover}
.mcap{
  width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;
  font-size:26px;color:#008037;background:rgba(0,128,55,.10);
}
.mcap.robot{color:var(--purple);background:rgba(122,68,176,.10)}
.mtext{display:block;min-width:0}
.mname{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.3}
.mtag{
  font-style:normal;font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:999px;
  background:rgba(22,163,74,.11);color:#15803d;
}
.mtag.warn{background:rgba(202,138,4,.13);color:#a16207}
.mtag.beta{background:rgba(122,68,176,.12);color:var(--purple)}
.mdesc{display:block;font-size:13.2px;color:var(--muted);line-height:1.45;margin-top:3px}
.mrow.soon{opacity:.9}

/* ---------- NAV ---------- */
header.nav{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand img{width:38px;height:38px;object-fit:contain}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:15px;font-weight:600;color:var(--ink-2)}
.nav-links a:hover{color:var(--purple)}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--ink);
  background:radial-gradient(900px 480px at 10% -12%,rgba(122,68,176,.16) 0%,transparent 60%),
             radial-gradient(820px 460px at 94% 6%,rgba(154,108,201,.18) 0%,transparent 58%),
             linear-gradient(165deg,#faf7fd 0%,#f4eefa 48%,#efe7f8 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(122,68,176,.55) 1px,transparent 1px);
  background-size:34px 34px;opacity:.09;
}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;padding:78px 24px 88px}
.hero .eyebrow{color:var(--purple);background:rgba(122,68,176,.10);border-color:rgba(122,68,176,.20)}
.hero h1{font-size:clamp(34px,4.6vw,58px);font-weight:800;margin:22px 0 20px}
.hero h1.upper{text-transform:uppercase;font-size:clamp(27px,3.3vw,44px);letter-spacing:-.015em;line-height:1.14;margin-bottom:16px}
.hero h1.upper .grad{font-size:1.16em;display:inline-block;margin-top:4px}
.hero h1 .grad{background:linear-gradient(100deg,#7a44b0,#a86fce 60%,#c98fdd);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.kicker{font-size:clamp(17px,1.7vw,21px);font-weight:700;color:var(--purple);margin:0 0 30px;max-width:560px}
.hero p.sub{font-size:clamp(15px,1.4vw,17.5px);color:var(--ink-2);max-width:560px;margin:0 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:22px;font-size:14px;color:var(--muted)}

/* product slider in hero */
.hero-in>*{min-width:0}
.slider{position:relative;width:100%;max-width:540px;margin-left:auto}
.slider-viewport{overflow:hidden;border-radius:24px}
.slider-track{display:flex;transition:transform .58s cubic-bezier(.65,.02,.25,1);will-change:transform}
.slide{
  flex:0 0 100%;display:block;background:#fff;border:1px solid rgba(122,68,176,.14);
  border-radius:24px;overflow:hidden;box-shadow:0 26px 56px -30px rgba(66,32,100,.55);
}
.slide-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#f3eefa}
.slide-media img{width:100%;height:100%;object-fit:cover;object-position:top center}
.slide-media::after{content:"";position:absolute;inset:auto 0 0 0;height:64px;background:linear-gradient(to top,rgba(255,255,255,.92),transparent)}
.slide-media.soon{
  display:grid;place-items:center;gap:14px;align-content:center;
  background:radial-gradient(420px 260px at 50% 25%,rgba(122,68,176,.16),transparent 70%),linear-gradient(160deg,#f7f2fc,#efe5f9);
}
.slide-media.soon::after{display:none}
svg.i.robot-art{width:96px;height:96px;color:var(--purple);opacity:.8;stroke-width:1.3}
.soon-tag{
  font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--purple);
  background:rgba(255,255,255,.9);border:1px solid rgba(122,68,176,.2);padding:6px 14px;border-radius:999px;
}
.slide-body{padding:18px 22px 22px;position:relative}
.slide-body::before{content:"";position:absolute;top:0;left:22px;right:22px;height:3px;border-radius:3px;background:var(--accent)}
.slide-badge{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);padding:5px 11px;border-radius:999px;margin-bottom:10px;
}
.slide-name{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.slide-name .ic{font-size:21px;color:var(--accent)}
.slide-desc{display:block;font-size:14px;color:var(--muted);margin-top:5px;line-height:1.5}
.slide-more{display:inline-block;margin-top:12px;font-size:13.5px;font-weight:700;color:var(--accent)}
.slide:hover .slide-more{text-decoration:underline}

.s-arrow{
  position:absolute;top:32%;width:42px;height:42px;border-radius:50%;cursor:pointer;
  border:1px solid rgba(122,68,176,.18);background:rgba(255,255,255,.94);color:var(--purple);
  display:grid;place-items:center;box-shadow:0 10px 24px -12px rgba(66,32,100,.5);
  transition:transform .18s ease,background .18s ease;z-index:3;
}
.s-arrow:hover{transform:scale(1.08);background:#fff}
.s-arrow.prev{left:-14px}
.s-arrow.next{right:-14px}
.s-arrow svg{width:18px;height:18px;stroke:currentColor;stroke-width:2.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.s-dots{display:flex;gap:7px;justify-content:center;align-items:center;margin-top:18px}
.s-dots button{
  width:8px;height:8px;padding:0;border:0;border-radius:999px;cursor:pointer;
  background:rgba(122,68,176,.26);transition:width .3s ease,background .3s ease;
}
.s-dots button.on{width:26px;background:var(--purple)}

/* stats bar */
.stats{border-top:1px solid rgba(122,68,176,.16);position:relative;z-index:2}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 24px 34px}
.stat b{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.02em;color:var(--purple)}
.stat span{font-size:13.5px;color:var(--muted)}


/* ---------- PARTNER LOGOS ---------- */
.partners{position:relative;z-index:2;border-top:1px solid rgba(122,68,176,.14);padding:26px 24px 46px}
.partners-cap{
  text-align:center;font-size:12.5px;font-weight:700;letter-spacing:.10em;text-transform:uppercase;
  color:var(--muted);margin:0 0 20px;
}
.partner-grid{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;max-width:1000px;margin:0 auto}
.plogo{
  width:132px;height:88px;background:#fff;border:1px solid rgba(122,68,176,.12);border-radius:14px;
  display:flex;align-items:center;justify-content:center;padding:12px;
  box-shadow:0 10px 24px -20px rgba(66,32,100,.55);
  transition:transform .2s ease,box-shadow .2s ease;
}
.plogo:hover{transform:translateY(-3px);box-shadow:0 16px 30px -20px rgba(66,32,100,.7)}
.plogo img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
@media (max-width:600px){
  .plogo{width:104px;height:70px;padding:9px}
  .partner-grid{gap:9px}
}

/* ---------- AUDIENCE ---------- */
.aud-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.aud{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:block;
}
.aud:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.aud .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:23px;margin-bottom:16px}
.aud h3{font-size:20px;font-weight:700;margin-bottom:8px}
.aud p{color:var(--muted);font-size:15px;margin:0 0 16px}
.aud .who{font-size:13.5px;font-weight:700;color:var(--purple)}

/* ---------- PRODUCTS ---------- */
.group-label{
  display:flex;align-items:center;gap:14px;margin:0 0 32px;
  font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
}
.group-label::after{content:"";flex:1;height:1px;background:var(--line)}
.prod{
  display:grid;grid-template-columns:1fr 1.06fr;gap:46px;align-items:center;
  padding:36px;border:1px solid var(--line);border-radius:26px;background:#fff;
  margin-bottom:28px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.prod::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--accent)}
.prod.rev .prod-media{order:-1}
.prod-head{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.prod-mark{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-size:20px;font-weight:800;color:#fff;background:var(--accent);flex:none;
  box-shadow:0 10px 22px -12px var(--accent);
}
.prod-mark svg.i{width:25px;height:25px;stroke-width:1.8}
.prod-name{font-size:23px;font-weight:800;letter-spacing:-.02em}
.prod-url{font-size:13px;color:var(--muted);font-weight:500}
.prod h3.tag{font-size:clamp(20px,2vw,25px);font-weight:700;margin-bottom:12px;letter-spacing:-.02em}
.prod p.desc{color:var(--ink-2);font-size:15.5px;margin:0 0 20px}
.feat{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:10px}
.feat li{position:relative;padding-left:28px;font-size:15px;color:var(--ink-2)}
.feat li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--accent);opacity:.16;
}
.feat li::after{
  content:"";position:absolute;left:5px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.chip{
  font-size:12.8px;font-weight:700;padding:6px 13px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
}
.prod-actions{display:flex;gap:11px;flex-wrap:wrap}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 12px 26px -14px var(--accent)}
.prod-media{border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#fafafa;box-shadow:var(--shadow-lg)}
.prod-media img{width:100%;height:auto}

/* ---------- ENGINE ---------- */
.engine{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.engine-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.eng{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.eng .ic{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:22px;margin-bottom:15px;background:rgba(122,68,176,.10);color:var(--purple)}
.eng h3{font-size:17.5px;font-weight:700;margin-bottom:8px}
.eng p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- TRUST ---------- */
.trust-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center}
.badges{display:grid;gap:14px}
.badge{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:#fff}
.badge .ic{font-size:24px;line-height:1;color:var(--purple);margin-top:2px}
.badge b{display:block;font-size:15.5px}
.badge span{font-size:14px;color:var(--muted)}
.press{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.press span{font-size:14px;font-weight:700;color:var(--ink-2);border:1px solid var(--line);border-radius:10px;padding:9px 16px;background:#fff}

/* ---------- PRICING ---------- */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.price-grid.three{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.price{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;position:relative}
.price.best{border-color:var(--purple);box-shadow:var(--shadow)}
.price .flag{position:absolute;top:-12px;left:26px;background:var(--purple);color:#fff;font-size:11.5px;font-weight:800;padding:5px 12px;border-radius:999px;letter-spacing:.05em}
.price h3{font-size:17px;font-weight:700}
.price .amt{font-size:29px;font-weight:800;margin:12px 0 2px;letter-spacing:-.02em}
.price .amt small{font-size:14px;font-weight:600;color:var(--muted)}
.price .note{font-size:13.5px;color:var(--muted)}

/* ---------- CTA ---------- */
.cta{
  color:var(--ink);text-align:center;position:relative;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:radial-gradient(760px 380px at 18% 0%,rgba(122,68,176,.15) 0%,transparent 62%),
             radial-gradient(700px 380px at 86% 100%,rgba(154,108,201,.18) 0%,transparent 58%),
             linear-gradient(150deg,#faf7fd,#f2e9fa);
}
.cta h2{margin-bottom:16px}
.cta p{color:var(--ink-2);max-width:600px;margin:0 auto 30px;font-size:17px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.contact{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin-top:36px;font-size:14.5px;color:var(--muted)}
.contact b{color:var(--ink)}

/* ---------- FOOTER ---------- */
footer{background:#2c2140;color:#c3b8d4;padding:56px 0 34px;font-size:14.5px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;margin-bottom:34px}
footer h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin:0 0 15px}
footer a:hover{color:#fff}
.f-links{display:grid;gap:9px}
.f-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.f-brand img{width:36px;height:36px;object-fit:contain}
.f-bot{border-top:1px solid rgba(255,255,255,.10);padding-top:22px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.5px}

/* ---------- BACK TO TOP ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:52px;height:52px;border-radius:50%;border:0;cursor:pointer;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#7a44b0,#9a6cc9);
  color:#fff;box-shadow:0 16px 34px -14px rgba(122,68,176,.75);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,box-shadow .2s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px);box-shadow:0 20px 40px -14px rgba(122,68,176,.95)}
.to-top svg{width:22px;height:22px;stroke:#fff;stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}

@media (max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:40px;padding:56px 24px 64px}
  .stats-in{grid-template-columns:repeat(2,1fr)}
  .aud-grid,.engine-grid{grid-template-columns:1fr 1fr}
  .prod{grid-template-columns:1fr;gap:28px;padding:26px}
  .prod.rev .prod-media{order:0}
  .trust-grid{grid-template-columns:1fr;gap:30px}
  .price-grid{grid-template-columns:1fr 1fr}
  .f-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);padding:18px 24px;gap:16px;
  }
  .nav-links.open{max-height:calc(100vh - 72px);overflow-y:auto}
  .has-menu{width:100%}
  .menu-trigger{width:100%;justify-content:space-between;font-size:15px}
  .menu-panel{
    position:static;width:100%;padding-top:10px;opacity:1;visibility:visible;transform:none;
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .has-menu.open .menu-panel{max-height:760px}
  .menu-card{box-shadow:none;padding:4px}
  .mrow{padding:10px 8px}

  .nav-toggle{display:block}
  .nav-cta .btn{display:none}
}
@media (max-width:600px){
  .to-top{right:16px;bottom:16px;width:46px;height:46px}
  .section{padding:60px 0}
  .aud-grid,.engine-grid,.price-grid{grid-template-columns:1fr}
  .s-arrow.prev{left:8px}
  .s-arrow.next{right:8px}
  .stats-in{grid-template-columns:1fr 1fr}
  .f-grid{grid-template-columns:1fr}
}

/* ---------- SUBPAGE HEAD ---------- */
.page-head{
  padding:64px 0 44px;border-bottom:1px solid var(--line);
  background:radial-gradient(760px 380px at 15% -20%,rgba(122,68,176,.14) 0%,transparent 62%),
             linear-gradient(165deg,#faf7fd,#f4eefa);
}
.page-head h1{font-size:clamp(30px,3.6vw,44px);font-weight:800;margin:16px 0 14px}
.page-head .lead{max-width:680px}

/* ---------- ECOSYSTEM VISUAL ---------- */
.eco .section-head{margin-bottom:52px}
.eco-grid{
  display:grid;grid-template-columns:1fr 210px 1fr;grid-template-rows:auto auto;
  gap:24px 30px;position:relative;
}
.eco-card{
  grid-column:1;background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px 26px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.eco-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--c)}
.eco-card.tr,.eco-card.br{grid-column:3}
.eco-card.tl,.eco-card.tr{grid-row:1}
.eco-card.bl,.eco-card.br{grid-row:2}
.eco-top{display:flex;justify-content:flex-end;margin-bottom:6px}
.eco-card.tr .eco-top,.eco-card.br .eco-top{justify-content:flex-start}
.eco-badge{
  display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:800;
  letter-spacing:.10em;text-transform:uppercase;color:#fff;background:var(--c);
  padding:6px 13px;border-radius:999px;
}
.eco-badge .i{font-size:15px}
.eco-card h3{font-size:22px;font-weight:800;margin:6px 0 16px}
.eco-list{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:9px}
.eco-list li{position:relative;padding-left:24px;font-size:14.6px;color:var(--ink-2)}
.eco-list li::before{
  content:"";position:absolute;left:0;top:6px;width:15px;height:15px;border-radius:50%;
  background:var(--c);opacity:.16;
}
.eco-list li::after{
  content:"";position:absolute;left:5px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--c);
}
.eco-app{
  display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px;color:var(--ink);
  border-top:1px solid var(--line);padding-top:15px;
}
.eco-dot{
  width:26px;height:26px;border-radius:9px;background:var(--c);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:800;
}

.eco-hub{
  grid-column:2;grid-row:1 / span 2;align-self:center;justify-self:center;
  position:relative;display:grid;place-items:center;gap:14px;width:100%;
}
.eco-core{
  width:104px;height:104px;border-radius:50%;display:grid;place-items:center;background:#fff;
  border:1px solid rgba(122,68,176,.2);box-shadow:0 20px 44px -22px rgba(66,32,100,.6);position:relative;z-index:2;
}
.eco-core::after{
  content:"";position:absolute;inset:-13px;border-radius:50%;
  border:1.5px dashed rgba(122,68,176,.32);
}
.eco-core img{width:58px;height:58px;object-fit:contain}
.eco-core-cap{
  position:relative;z-index:2;margin:0;text-align:center;font-size:12.5px;font-weight:700;
  color:var(--muted);line-height:1.45;background:var(--bg);padding:2px 6px;
}
.eco-link{position:absolute;top:50%;left:50%;width:155px;height:0;border-top:1.6px dashed rgba(122,68,176,.42);transform-origin:0 0;z-index:0}
.eco-link.tl{transform:rotate(205deg)}
.eco-link.tr{transform:rotate(-25deg)}
.eco-link.bl{transform:rotate(155deg)}
.eco-link.br{transform:rotate(25deg)}

.eco-flow{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;
  margin:38px auto 0;padding:16px 22px;max-width:900px;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;
  font-size:14.5px;color:var(--ink-2);text-align:center;
}
.eco-flow b{color:var(--ink)}
.eco-flow .fl{font-size:17px;color:var(--purple);opacity:.7}

.eco-benefits{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:34px}
.ben{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 18px;
  display:grid;gap:5px;justify-items:start;
}
.ben-ic{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  font-size:21px;color:var(--c);background:var(--cs);margin-bottom:8px;
}
.ben b{font-size:15px}
.ben span:last-child{font-size:13.4px;color:var(--muted);line-height:1.5}

@media (max-width:1080px){
  .eco-grid{grid-template-columns:1fr 1fr;gap:20px}
  .eco-card,.eco-card.tr,.eco-card.br{grid-column:auto}
  .eco-card.tl,.eco-card.tr,.eco-card.bl,.eco-card.br{grid-row:auto}
  .eco-top,.eco-card.tr .eco-top,.eco-card.br .eco-top{justify-content:flex-start}
  .eco-hub{grid-column:1 / -1;grid-row:auto;order:-1;margin-bottom:6px}
  .eco-link{display:none}
  .eco-benefits{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:700px){
  .eco-grid{grid-template-columns:1fr}
  .eco-benefits{grid-template-columns:1fr 1fr}
  .eco-flow{border-radius:22px}
}

/* the full ecosystem map lives in the hero slider; this section keeps the HTML version */
.slide-media.eco-shot{background:#fff}
.slide-media.eco-shot img{object-fit:contain;object-position:center}
.slide-media.eco-shot::after{display:none}

/* ===== Footer v2 (full info) — added 2026-10-02 ===== */
.f-grid{grid-template-columns:1.7fr 1fr 1.1fr 1.15fr 1.2fr}
.f-co p{margin:0 0 6px;line-height:1.5}
.f-co .f-coname{color:#fff;font-weight:700;margin-bottom:9px}
.f-co a{color:#c3b8d4;text-decoration:none}
.f-co a:hover{color:#fff}



.f-app-title{color:#fff;font-weight:700;font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;margin:18px 0 10px}
.f-apps{display:flex;gap:10px;flex-wrap:wrap}
.f-apps img{height:40px;width:auto;border-radius:6px;display:block}
.f-social a{color:#c3b8d4;text-decoration:none}
.f-social a:hover{color:#fff}
@media(max-width:1000px){.f-grid{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:720px){.f-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.f-grid{grid-template-columns:1fr}}

/* footer badges — clean uniform white chips (fixed 2026-10-02) */



/* footer trust badges — single full-width row (2026-10-02) */



/* footer badges — one row aligned with hotline band, extends right (2026-10-02) */


@media(max-width:720px){}

/* footer badges — one row, left edge aligned to "Về chúng tôi" column (2026-10-02) */



@media(max-width:1000px){}
@media(max-width:720px){}

/* footer badges — pinned to grid row 1, col 2..end, lifted up to Hotline 1 line (2026-10-02) */


@media(max-width:1000px){}

/* footer trust badges — tidy group in company column, like the app block (2026-10-02) */
.f-badges{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px}
.f-badges img{height:38px;width:auto;background:#fff;border-radius:9px;padding:7px 13px;object-fit:contain;box-shadow:0 1px 3px rgba(0,0,0,.15)}

.hero h1.upper{text-transform:none}

.hero h1.upper .l1{white-space:nowrap}

/* hero: fit single-line title without overlapping the slider (2026-10-21) */
@media(min-width:761px){.hero-in{grid-template-columns:1.35fr .65fr}}
.hero h1.upper{font-size:clamp(24px,3.3vw,38px)}
@media(max-width:760px){.hero h1.upper .l1{white-space:normal}}

/* hero kicker smaller (2026-10-21) */
.hero p.kicker{font-size:clamp(14.5px,1.25vw,17px);font-weight:600}


/* ===================== home-v6 — marketing feedback (21/10/2026) ===================== */

/* ---- header: product menu grouped by audience ---- */
.menu-panel.v3{width:740px;left:50%;margin-left:-370px}
.menu-groups{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:4px;padding:14px}
.mgroup{display:flex;flex-direction:column;gap:2px;min-width:0}
.mgroup + .mgroup{border-left:1px solid var(--line);padding-left:10px}
.mgroup-title{margin:4px 12px 8px;font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--purple)}
.menu-groups .mrow>img{width:40px;height:40px;border-radius:11px;object-fit:contain}
.menu-groups .mname{font-size:15px}
.menu-groups .mdesc{font-size:12.8px}
.nav-links a.nav-consult{color:var(--purple)}
.nav-links a.nav-consult:hover{color:#5d2f8e}
@media (max-width:960px){
  .menu-panel.v3{width:100%;margin-left:0;left:auto}
  .menu-groups{grid-template-columns:1fr;padding:4px;gap:8px}
  .mgroup + .mgroup{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:8px}
  .mgroup-title{margin:6px 8px 4px}
}

/* ---- partners: all marketing partners, priority order, compact tiles ---- */
.partner-grid.v3{max-width:1120px;gap:10px}
.partner-grid.v3 .plogo{width:120px;height:76px;padding:10px}
.partners-more{display:none}
@media (max-width:720px){
  .partner-grid.v3{gap:8px}
  .partner-grid.v3 .plogo{width:calc(33.333% - 6px);height:62px;padding:8px}
  .partner-grid.v3:not(.all) .plogo:nth-child(n+13){display:none}
  .partners-more{display:flex;width:max-content;margin:16px auto 0}
}

/* ---- finder: "Bạn là ai, đang cần gì?" ---- */
.finder{padding:72px 0 4px}
.finder-head{text-align:center;max-width:720px;margin:0 auto 30px}
.finder-head h2{margin:0 0 10px}
.finder-head p{color:var(--muted);margin:0;font-size:16px}
.finder-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fcard{display:flex;flex-direction:column;gap:6px;padding:20px 20px 16px;border:1px solid var(--line);border-radius:18px;background:#fff;
  box-shadow:var(--shadow);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.fcard:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 22px 44px -26px var(--accent)}
.fwho{font-size:12px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--accent)}
.fneed{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.4;flex:1}
.fgo{display:flex;align-items:center;gap:9px;margin-top:10px;padding-top:12px;border-top:1px dashed var(--line);font-size:14px;font-weight:700;color:var(--ink-2)}
.fgo img{width:30px;height:30px;border-radius:9px;object-fit:contain}
.fgo::after{content:"→";margin-left:auto;color:var(--accent);font-size:18px;transition:transform .18s ease}
.fcard:hover .fgo::after{transform:translateX(4px)}
@media (max-width:960px){.finder-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.finder{padding-top:52px}.finder-grid{grid-template-columns:1fr}}

/* ---- products: no section heading, official logos, demo videos, check bullets ---- */
#san-pham{padding-top:48px}
.prod-mark.logo{background:none;box-shadow:none;width:56px;height:56px;border-radius:15px;overflow:hidden;padding:0}
.prod-mark.logo img{width:100%;height:100%;object-fit:contain;display:block}
.prod-media.is-video{background:#f3eef9}
.prod-media video{width:100%;height:auto;display:block;aspect-ratio:1280/896}
.feat.check li::before{background:var(--accent);opacity:1;top:4px;width:18px;height:18px}
.feat.check li::after{left:6px;top:7.5px;width:5px;height:9px;background:none;border-radius:0;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.feat.check li b{color:var(--ink)}

/* ---- ecosystem: mô hình kiềng 3 chân ---- */
.pillars{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.tri{position:relative;max-width:980px;height:600px;margin:0 auto}
.tri-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.tri-lines path{fill:none;stroke:rgba(122,68,176,.34);stroke-width:2;stroke-dasharray:7 7;vector-effect:non-scaling-stroke}
.tri-lines .spoke{stroke:rgba(122,68,176,.16);stroke-dasharray:none}
.tri-node{position:absolute;z-index:2;width:300px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--c);
  border-radius:20px;padding:18px 18px 16px;box-shadow:var(--shadow-lg);text-align:center}
.tri-node.n1{left:50%;top:0;margin-left:-150px}
.tri-node.n2{left:0;bottom:0}
.tri-node.n3{right:0;bottom:0}
.tri-role{display:block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--c)}
.tri-benefit{display:block;font-size:19px;font-weight:800;margin:6px 0 12px;color:var(--ink)}
.tri-prods{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.tri-prods a{display:inline-flex;align-items:center;gap:7px;padding:5px 12px 5px 5px;border:1px solid var(--line);border-radius:999px;
  font-size:13.5px;font-weight:700;color:var(--ink-2);background:#fff;transition:border-color .16s,color .16s}
.tri-prods a:hover{border-color:var(--c);color:var(--c)}
.tri-prods img{width:26px;height:26px;border-radius:8px;object-fit:contain}
.tri-hub{position:absolute;z-index:2;left:50%;top:52%;transform:translate(-50%,-50%);width:150px;height:150px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:0 24px 54px -26px rgba(66,32,100,.55);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;text-align:center}
.tri-hub img{width:64px;height:auto}
.tri-hub span{font-size:11.5px;font-weight:700;color:var(--muted);line-height:1.45}
.tri-edge{position:absolute;z-index:3;transform:translate(-50%,-50%);font-size:12.5px;font-weight:700;color:var(--purple);
  background:#fff;border:1px solid rgba(122,68,176,.24);border-radius:999px;padding:5px 12px;white-space:nowrap}
.tri-edge.e12{left:28.5%;top:60%}
.tri-edge.e13{left:71.5%;top:60%}
.tri-edge.e23{left:50%;top:88%}
@media (max-width:960px){
  .tri{height:auto;display:flex;flex-direction:column;align-items:center;gap:14px}
  .tri-lines,.tri-edge{display:none}
  .tri-node,.tri-hub{position:static;margin:0;transform:none}
  .tri-node,.tri-node.n1{width:100%;max-width:460px;margin-left:0}
  .tri-hub{order:-1;width:130px;height:130px}
}

/* ---- trust: certificates + press ---- */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:48px}
.cert{display:flex;flex-direction:column;gap:4px;padding:14px 14px 18px;border:1px solid var(--line);border-radius:18px;background:#fff;
  box-shadow:var(--shadow);text-align:center;transition:transform .18s ease,border-color .18s ease}
.cert:hover{transform:translateY(-3px);border-color:rgba(122,68,176,.35)}
.cert-img{display:flex;align-items:center;justify-content:center;height:200px;margin-bottom:12px;background:var(--bg-soft);border-radius:12px;overflow:hidden;padding:10px}
.cert-img img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.cert b{font-size:15px;color:var(--ink)}
.cert-cap{font-size:13px;color:var(--muted);line-height:1.45}
.press-head{text-align:center;font-size:12.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 18px}
.press-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.press-card{display:flex;flex-direction:column;gap:10px;padding:18px 18px 16px;border:1px solid var(--line);border-radius:16px;background:#fff;
  transition:border-color .18s ease,transform .18s ease}
.press-card:hover{border-color:var(--purple);transform:translateY(-2px)}
.press-logo{height:40px;display:flex;align-items:center}
.press-logo img{max-height:34px;max-width:160px;width:auto;height:auto}
.press-word{font-family:Georgia,"Times New Roman",serif;font-size:22px;font-weight:700;color:#c8102e;letter-spacing:-.01em}
.press-title{font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.45;flex:1}
.press-more{font-size:13.5px;font-weight:700;color:var(--purple)}
@media (max-width:960px){.cert-grid,.press-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.cert-grid,.press-grid{grid-template-columns:1fr}}

/* ---- footer: 6 columns (company · about · products · support · terms · teachers) ---- */
.f-grid.v3{grid-template-columns:1.6fr repeat(5,1fr);gap:28px}
@media (max-width:1080px){.f-grid.v3{grid-template-columns:1fr 1fr 1fr}}
@media (max-width:720px){.f-grid.v3{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.f-grid.v3{grid-template-columns:1fr}}

/* ---- floating contact buttons: Messenger · Zalo · call (same contacts as flyer.vn) ---- */
.float-cta{position:fixed;right:24px;bottom:88px;z-index:69;display:flex;flex-direction:column;gap:12px}
.fc{position:relative;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#fff;
  box-shadow:0 12px 28px -12px rgba(15,23,42,.5);transition:transform .18s ease}
.fc:hover{transform:translateY(-2px) scale(1.05)}
.fc-mess img{width:52px;height:52px;border-radius:50%;display:block}
.fc-zalo img{width:36px;height:36px;display:block}
.fc-phone{background:#22c55e}
.fc-phone svg{width:24px;height:24px;fill:#fff}
.fc-phone::before{content:"";position:absolute;inset:0;border-radius:50%;background:#22c55e;z-index:-1;animation:fcPulse 2.2s ease-out infinite}
@keyframes fcPulse{0%{transform:scale(1);opacity:.5}100%{transform:scale(1.75);opacity:0}}
.fc-tip{position:absolute;right:78px;top:50%;transform:translate(6px,-50%);white-space:nowrap;background:#1f2937;color:#fff;
  font-size:13px;font-weight:600;padding:6px 11px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .16s ease,transform .16s ease}
.fc:hover .fc-tip,.fc:focus-visible .fc-tip{opacity:1;transform:translate(0,-50%)}
@media (max-width:600px){.float-cta{right:16px;bottom:74px;gap:10px}.fc{width:46px;height:46px}.fc-mess img{width:46px;height:46px}.fc-zalo img{width:32px;height:32px}.fc-tip{display:none}}
@media (prefers-reduced-motion:reduce){.fc-phone::before{animation:none;display:none}}

/* ===================== Bảng giá (menu + /bang-gia/ with 2 versions) ===================== */
[hidden]{display:none!important}
.menu-panel.v3.pmenu{width:390px;margin-left:-195px}
.mcap.pv{font-size:18px;font-weight:800;color:var(--purple);background:rgba(122,68,176,.10)}
.mcap.pv.dark{color:#fff;background:#1b1052}
@media (max-width:960px){.menu-panel.v3.pmenu{width:100%;margin-left:0;left:auto}}

/* review switch between the two versions */
.price-switch-wrap{background:#fff;border-bottom:1px solid var(--line)}
.price-switch{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 24px}
.ps-label{font-size:13px;font-weight:700;color:var(--muted);margin-right:4px}
.ps-opt{padding:8px 16px;border:1.5px solid var(--line);border-radius:999px;font-size:14px;font-weight:700;color:var(--ink-2);background:#fff}
.ps-opt:hover{border-color:var(--purple);color:var(--purple)}
.ps-opt.on{border-color:var(--purple);background:var(--purple);color:#fff}
.pricing{padding:52px 0 72px}
.p-b2b{margin:22px 0 0;font-size:15px;color:var(--muted)}
.p-b2b a{color:var(--purple);font-weight:700}

/* ---- version 1: "Chọn gói cho con" (flyer.vn/phong-thi-ao) ---- */
.p1{background:var(--bg-soft)}
.p1 h2{margin:0 0 8px}
.p1-sub{color:var(--muted);margin:0 0 30px;font-size:16px}
.p1-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.p1-plan{position:relative;background:#fff;border:1.5px solid var(--line);border-radius:22px;padding:26px 24px 22px;cursor:pointer;
  transition:border-color .16s ease,box-shadow .16s ease}
.p1-plan:hover{border-color:rgba(122,68,176,.35)}
.p1-plan.on{border-color:#2f5fd0;box-shadow:0 0 0 3px rgba(47,95,208,.12)}
.p1-plan:focus-visible{outline:3px solid rgba(47,95,208,.35);outline-offset:2px}
.p1-best{position:absolute;top:-13px;left:18px;background:#e0478a;color:#fff;font-size:12px;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;padding:5px 12px;border-radius:999px}
.p1-name{font-size:22px;font-weight:800;margin-bottom:14px;color:var(--ink)}
.p1-pricebox{display:flex;align-items:center;gap:8px;flex-wrap:wrap;border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:10px}
.p1-off{font-style:normal;background:#e0478a;color:#fff;font-size:13px;font-weight:800;padding:3px 8px;border-radius:7px}
.p1-pricebox s{color:#9aa3ad;font-size:14px}
.p1-pricebox b{font-size:clamp(23px,2.3vw,30px);font-weight:800;color:var(--purple);letter-spacing:-.01em}
.p1-pm{font-size:14px;color:var(--muted);margin-bottom:16px}
.p1-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.p1-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);line-height:1.5}
.p1-list li::before{content:"";position:absolute;left:4px;top:4px;width:6px;height:11px;border:solid #16a34a;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.p1-gift{display:flex;gap:12px;margin-top:24px;padding:16px 18px;border:1.5px dashed rgba(122,68,176,.3);border-radius:16px;background:#fff;
  font-size:15px;color:var(--ink-2);line-height:1.65}
.p1-gift svg{flex:none;color:#e0478a;margin-top:4px}
.p1-gift a{color:var(--purple);text-decoration:underline}
.p1-bar{position:fixed;left:0;right:0;bottom:0;z-index:65;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);box-shadow:0 -12px 30px -18px rgba(66,32,100,.45)}
.p1-bar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px}
.p1-bar-sum{display:flex;flex-direction:column;font-size:13.5px;color:var(--muted);line-height:1.4}
.p1-bar-price s{color:#9aa3ad}
.p1-bar-price b{font-size:17px;color:var(--ink)}
.p1-bar-btn{min-width:260px}
.has-buybar .to-top{bottom:98px}
.has-buybar .float-cta{bottom:162px}
.has-buybar footer{padding-bottom:120px}
@media (max-width:960px){.p1-plans{grid-template-columns:1fr}}
@media (max-width:600px){
  .p1-bar-in{padding:10px 16px}.p1-bar-btn{min-width:0;padding:12px 24px}
  .has-buybar .to-top{bottom:88px}.has-buybar .float-cta{bottom:144px}
}

/* ---- version 2: "FLYER Cambridge PRO" (flyer.vn homepage) ---- */
.p2{background:radial-gradient(900px 480px at 50% 0%,rgba(122,68,220,.45) 0%,transparent 70%),linear-gradient(180deg,#1c1054,#140b3e);color:#fff}
.p2-title{text-align:center;color:#fff;text-transform:uppercase;font-size:clamp(23px,3vw,38px);line-height:1.4;margin:0 0 54px;
  text-shadow:0 0 26px rgba(190,140,255,.55)}
.p2-grid{display:grid;grid-template-columns:290px 1fr;gap:30px;align-items:center}
.p2-qr{text-align:center}
.p2-qr-t{font-weight:800;font-size:19px;text-transform:uppercase;letter-spacing:.02em;margin:0 0 10px;color:#fff}
.p2-qr img{width:230px;height:auto;margin:0 auto 14px;display:block}
.p2-qr-note{font-size:15.5px;line-height:1.6;color:#e7defa;margin:0}
.p2-qr-note a{color:#fff}
.p2-cards{display:grid;grid-template-columns:1fr 1.1fr 1fr;align-items:center}
.p2-card{position:relative;background:#f4effd;color:var(--ink);text-align:center;padding:28px 20px 24px}
.p2-card:first-child{border-radius:18px 0 0 18px}
.p2-card:last-child{border-radius:0 18px 18px 0}
.p2-card.best{z-index:2;background:#ece3fc;border:4px solid #8b5cf6;border-radius:20px;padding:44px 22px 32px;box-shadow:0 30px 60px -22px rgba(0,0,0,.55)}
.p2-ribbon{position:absolute;top:-24px;left:50%;transform:translateX(-50%);background:linear-gradient(180deg,#e8fdff,#a5eefc);color:#1e1b4b;
  font-weight:800;font-size:19px;padding:6px 28px;border-radius:8px;white-space:nowrap;box-shadow:0 0 20px rgba(103,232,249,.65)}
.p2-brand{font-size:28px;font-weight:800;color:#3d7cf2;letter-spacing:.01em;line-height:1.15}
.p2-card.best .p2-brand{font-size:36px}
.p2-age{font-weight:700;font-size:14.5px;margin:3px 0 10px;color:#2a2550}
.p2-term{display:inline-block;font-size:23px;font-weight:800;color:#3b3270;text-decoration:underline;text-underline-offset:5px;margin-bottom:4px}
.p2-price{font-size:clamp(28px,3vw,40px);font-weight:800;color:#4f8df5;line-height:1.15}
.p2-card.best .p2-price{font-size:clamp(32px,3.4vw,46px)}
.p2-pm{font-weight:700;margin:4px 0 12px;color:#2a2550}
.p2-bonus{display:inline-flex;align-items:center;gap:7px;border:2px solid #e0478a;border-radius:10px;padding:6px 11px;font-size:14px;font-weight:700;
  color:#3b3270;background:#fff;white-space:nowrap}
.p2-bonus svg{width:19px;height:19px;flex:none}
.p2-list-price{font-style:italic;font-weight:700;color:#4b4b6b;margin:10px 0 14px;font-size:14.5px}
.p2-btn{display:inline-block;background:linear-gradient(180deg,#f2589c,#d23477);color:#fff;font-weight:800;font-size:18px;letter-spacing:.04em;
  text-transform:uppercase;padding:12px 26px;border-radius:10px;box-shadow:0 7px 0 -1px #9d1f58,0 16px 26px -12px rgba(210,52,119,.85);transition:transform .15s ease}
.p2-btn:hover{transform:translateY(-2px)}
.p2-feat{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px;text-align:left}
.p2-feat li{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:700;color:#2a2550;line-height:1.4}
.p2-feat img{width:38px;height:38px;flex:none;object-fit:contain}
.p2-feat li.dia b{font-size:25px;font-weight:800;color:#1e1b4b}
.p2-feat li.dia img{width:28px;height:28px}
.p-b2b.dark{color:#cfc3ee;text-align:center;margin-top:34px}
.p-b2b.dark a{color:#fff}
@media (max-width:1080px){.p2-grid{grid-template-columns:1fr}.p2-qr{order:2;margin-top:10px}}
@media (max-width:860px){
  .p2-cards{grid-template-columns:1fr;gap:20px;max-width:440px;margin:0 auto}
  .p2-card,.p2-card:first-child,.p2-card:last-child{border-radius:18px}
  .p2-card.best{order:-1;margin-top:14px}
}

/* ---------- language switcher (as on teado.ai) ---------- */
.lang{position:relative;flex:none;margin-left:-12px}
.lang-btn{display:inline-flex;align-items:center;gap:5px;height:38px;padding:0 9px;border:1px solid var(--line);border-radius:10px;background:#fff;
  font:inherit;font-size:14px;font-weight:700;color:var(--ink);cursor:pointer;transition:border-color .15s ease,background .15s ease}
.lang-btn:hover,.lang.open .lang-btn{border-color:#cdb8e6;background:var(--bg-soft)}
.lang-ic{color:var(--muted)}
.lang-chev{color:var(--muted);transition:transform .15s ease}
.lang.open .lang-chev{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:80;list-style:none;margin:0;padding:6px;min-width:210px;background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 40px -12px rgba(33,43,54,.28)}
.lang-opt{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--ink)}
.lang-opt:hover{background:var(--lav)}
.lang-opt img{width:20px;height:15px;border-radius:3px;box-shadow:0 0 0 1px rgba(0,0,0,.08);object-fit:cover;flex:none}
.lang-opt.on{font-weight:700}
.lang-check{margin-left:auto;color:var(--purple)}
@media (max-width:960px){.lang{margin-left:auto}.lang + .nav-toggle{margin-left:4px}}

/* other languages: let the hero line wrap, give Thai/Lao their own glyphs and taller lines */
html:not([lang="vi"]) .hero h1.upper .l1{white-space:normal}
html[lang="th"] body{font-family:'Be Vietnam Pro','Noto Sans Thai',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}
html[lang="lo"] body{font-family:'Be Vietnam Pro','Noto Sans Lao',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}
html[lang="th"] h1,html[lang="th"] h2,html[lang="th"] h3,html[lang="lo"] h1,html[lang="lo"] h2,html[lang="lo"] h3{line-height:1.35}

/* ---- hero balance (21/10/2026): bigger product slider ----
   ≥961px: the text column hugs its own content (up to 630px, so EN keeps its 2-line heading) and the slider
   takes the rest of the row (never less than min(400px,38%)): ~350px → ~460-600px at 1280+, no dead gap.
   ≤960px: one column again (v2's 761px two-column rule had squeezed the slider to ~230px on tablets). */
.slide{display:flex;flex-direction:column}                      /* all slides already share the tallest height (flex track) */
.slide-body{flex:1;display:flex;flex-direction:column;align-items:flex-start}
.slide-name{align-self:stretch}
.slide-more{margin-top:auto;padding-top:12px}                   /* so "Xem chi tiết" sits on the same line on every slide */
@media (min-width:761px){                                       /* card text scaled to the bigger card */
  .slide-body{padding:22px 28px 26px}
  .slide-body::before{left:28px;right:28px}
  .slide-badge{font-size:12px;padding:6px 13px;margin-bottom:12px}
  .slide-name{font-size:23px;gap:10px}
  .slide-name .ic{font-size:24px}
  .slide-desc{font-size:15.5px;margin-top:6px}
  .slide-more{font-size:14.5px;padding-top:14px}
  svg.i.robot-art{width:120px;height:120px}
  .s-arrow{width:46px;height:46px}
  .s-arrow svg{width:20px;height:20px}
}
@media (min-width:961px){
  .hero-in{grid-template-columns:fit-content(630px) minmax(min(400px,38%),1fr);gap:56px;padding-top:64px;padding-bottom:76px}
  .slider{max-width:600px}
}
@media (max-width:960px){
  .hero-in{grid-template-columns:1fr}
  .slider{max-width:640px;margin-left:0}
}
@media (max-width:760px){.slider{max-width:none}}



/* ===================== home-v6 — marketing feedback ver 3 (21/10/2026) ===================== */
.nw{white-space:nowrap}

/* ---- header: product menu in three equal columns, centred under the header (#1) ---- */
.nav-links a.nav-price.on{color:var(--purple)}
.menu-panel.v4 .menu-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:0;padding:16px 10px 12px}
.menu-panel.v4 .mgroup{padding:0 8px}
.menu-panel.v4 .mgroup + .mgroup{padding-left:12px}
.menu-panel.v4 .mgroup-title{white-space:nowrap;margin:2px 10px 10px}
.menu-panel.v4 .mrow{align-items:center}
.menu-panel.v4 .mname,.menu-panel.v4 .mdesc{white-space:nowrap}
html:not([lang="vi"]) .menu-panel.v4 .mdesc{white-space:normal}
@media (min-width:961px){
  .nav-in{position:relative}
  #hasmenu{position:static}
  .menu-panel.v3.v4{--mw:min(680px,calc(100vw - 32px));width:var(--mw);left:50%;margin-left:calc(var(--mw) / -2);top:46px;padding-top:26px}
}
@media (max-width:960px){
  .menu-panel.v4 .menu-groups{grid-template-columns:1fr;padding:4px;gap:8px}
  .menu-panel.v4 .mgroup + .mgroup{padding-left:8px}
  .menu-panel.v4 .mname,.menu-panel.v4 .mdesc{white-space:normal}
}

/* ---- hero slider: one simple product screen + a small caption (#2) ---- */
.slide.v4 .slide-media.ui{aspect-ratio:16/10;background:linear-gradient(160deg,#f7f2fc,#efe7fa)}
.slide.v4 .slide-media.ui img{object-fit:cover;object-position:center}
.slide.v4 .slide-media.ui::after{display:none}
.slide-cap{display:flex;align-items:center;gap:12px;padding:14px 18px 16px;border-top:1px solid var(--line);margin-top:auto}
.slide-cap>img{width:40px;height:40px;border-radius:11px;object-fit:contain;flex:none}
.slide-ic{width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;background:rgba(122,68,176,.10);color:var(--accent)}
.slide-ic .i{width:22px;height:22px}
.slide-txt{display:flex;flex-direction:column;gap:2px;min-width:0}
.slide-txt b{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.3}
.slide-txt span{font-size:13.5px;color:var(--muted);line-height:1.4}
.slide-go{margin-left:auto;padding-left:6px;color:var(--accent);font-weight:800;font-size:18px;transition:transform .2s ease}
.slide.v4:hover .slide-go{transform:translateX(3px)}
@media (max-width:760px){.slide-cap{padding:12px 14px 14px;gap:10px}.slide-cap>img,.slide-ic{width:34px;height:34px}.slide-txt b{font-size:15px}.slide-txt span{font-size:13px}}

/* ---- partners: heading like every other section; row 1 big & still, row 2 small & moving (#4) ---- */
.partners.v4{padding:64px 24px 58px}
.partners.v4 .wrap{padding:0}
.partners.v4 .section-head{max-width:none;margin-bottom:30px}
.partners.v4 .section-head h2{margin:14px 0 0}
.ptop{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:14px;max-width:1160px;margin:0 auto}
.ptop .plogo{width:auto;height:100px;padding:12px}
.pmarq{max-width:1160px;margin:16px auto 0;overflow:hidden;padding:6px 0 10px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.pmarq-track{display:flex;gap:12px;width:max-content;animation:pmarq 75s linear infinite}
.pmarq:hover .pmarq-track{animation-play-state:paused}
.pmarq .plogo{flex:none;width:112px;height:64px;padding:8px}
@keyframes pmarq{to{transform:translateX(calc(-50% - 6px))}}
@media (prefers-reduced-motion:reduce){.pmarq{overflow-x:auto}.pmarq-track{animation:none}}
@media (max-width:960px){.ptop{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.ptop .plogo{height:78px}}
@media (max-width:520px){.partners.v4{padding:48px 16px 44px}.ptop{gap:8px}.ptop .plogo{height:58px;padding:7px}.pmarq .plogo{width:96px;height:56px}}

/* ---- products: the audience lines are headings now (#5) ---- */
.group-label.v4{font-size:clamp(20px,2.1vw,26px);font-weight:800;letter-spacing:0;text-transform:none;color:var(--g);gap:14px;margin:0 0 30px}
.group-label.v4::before{content:"";flex:none;width:6px;height:28px;border-radius:3px;background:var(--g)}
.group-label.v4::after{height:2px;background:linear-gradient(90deg,var(--g),transparent);opacity:.3}
#nhom-giao-vien,#nhom-truong{margin-top:64px}

/* ---- 3-pillar model, two options (#6) ---- */
.pillars.v4 .section-head{margin-bottom:20px}
.pillars.v4 .section-head h2{margin:0 0 10px}
.kg-sub{font-size:17px;color:var(--muted);margin:0}
.kg-switch{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:8px;margin:0 auto 36px}
.kg-note{font-size:13px;font-weight:600;color:var(--muted)}
.kg-switch button{font:inherit;font-size:13.5px;font-weight:700;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;cursor:pointer}
.kg-switch button.on{background:var(--purple);border-color:var(--purple);color:#fff}
.kg{position:relative;max-width:1000px;aspect-ratio:1000/600;margin:0 auto}
.kg[hidden]{display:none}
.kg-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.kg-l{stroke:#8b5cf6;stroke-width:2;fill:none;opacity:.75}
.kg-spoke{stroke:rgba(122,68,176,.28);stroke-width:1.5;stroke-dasharray:5 6;fill:none}
.kg-node{position:absolute;z-index:2;width:32%;background:#fff;border:1px solid var(--line);border-top:4px solid var(--c);border-radius:18px;
  padding:16px 14px 18px;text-align:center;box-shadow:0 22px 48px -28px rgba(66,32,100,.45)}
.kg-node.top{left:34%;top:0}
.kg-node.left{left:0;bottom:0}
.kg-node.right{right:0;bottom:0}
.kg-node .tri-prods span{display:inline-flex;align-items:center;padding:6px 12px;border:1px dashed var(--line);border-radius:999px;font-size:13px;font-weight:700;color:var(--ink-2)}
.kg-hub{position:absolute;z-index:2;left:50%;top:52.5%;transform:translate(-50%,-50%);width:146px;height:146px;border-radius:50%;background:#fff;
  box-shadow:0 0 0 10px rgba(122,68,176,.07),0 18px 40px -20px rgba(66,32,100,.5);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:14px;text-align:center}
.kg-hub img{width:50px;height:auto}
.kg-hub span{font-size:12.5px;font-weight:800;line-height:1.35;color:var(--purple)}
.kg-lab{position:absolute;z-index:3;transform:translate(-50%,-50%) rotate(var(--r,0deg));white-space:nowrap;font-size:12.5px;font-weight:700;color:#6d28d9;
  background:rgba(255,255,255,.9);padding:1px 7px;border-radius:999px}
.kg-lab.pill{border:1px solid rgba(122,68,176,.24);padding:4px 12px}
.kg-list{display:none}
@media (max-width:960px){
  .kg{aspect-ratio:auto;display:flex;flex-direction:column;align-items:center;gap:14px}
  .kg-svg,.kg-lab{display:none}
  .kg-node,.kg-hub{position:static;transform:none;width:100%;max-width:460px}
  .kg-hub{order:-1;width:130px;height:130px}
  .kg-list{display:block;max-width:460px;width:100%;margin:6px 0 0;padding:16px 18px 16px 34px;background:#fff;border:1px solid var(--line);border-radius:16px;
    font-size:14px;line-height:1.55;color:var(--ink-2)}
  .kg-list li + li{margin-top:8px}
}

/* ---- footer: logo only, the link columns start level with the company name (#8) ---- */
.f-logo{margin-bottom:16px}
.f-logo img{width:52px;height:52px;object-fit:contain;display:block}
.f-grid.v4 .f-co .f-coname{margin-top:0}
.f-grid.v4 h4{margin-top:0}

/* ---- pricing: version 2 only, rows aligned across the three cards, CTA for schools stands out (#1) ---- */
.p2.v4 .p2-cards{grid-template-rows:repeat(9,auto);align-items:stretch}
.p2.v4 .p2-card{display:grid;grid-row:span 9;grid-template-rows:subgrid;row-gap:0;justify-items:center;align-items:center;padding:28px 20px 24px}
.p2.v4 .p2-card.best{padding:28px 22px 26px}
.p2.v4 .p2-term{margin:0}
.p2.v4 .p2-bonus-row,.p2.v4 .p2-btn-row{display:flex;justify-content:center}
.p2.v4 .p2-btn-row{padding-bottom:4px}
.p2.v4 .p2-feat{justify-self:stretch;align-self:start}
.p2.v4 .p2-feat li.dia>span{min-width:0}
.p2.v4 .p2-qr-t{white-space:normal}
.p2.v4 .p2-grid{grid-template-columns:250px minmax(0,1fr)}
@media (max-width:1200px){.p2.v4 .p2-grid{grid-template-columns:1fr}.p2.v4 .p2-qr{order:2;margin-top:10px}}
.p-b2b.v4{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 10px;width:max-content;max-width:100%;margin:40px auto 0;padding:14px 24px;
  border-radius:14px;background:rgba(255,214,102,.12);border:1.5px solid rgba(255,214,102,.6);font-size:16.5px;text-align:center;text-decoration:none;
  transition:background .2s ease,transform .2s ease}
.p-b2b.v4 span{color:#f3ecff;font-weight:600}
.p-b2b.v4 b{color:#ffd666;font-weight:800}
.p-b2b.v4:hover{background:rgba(255,214,102,.22);transform:translateY(-2px)}
@media (max-width:860px){
  .p2.v4 .p2-cards{grid-template-rows:none}
  .p2.v4 .p2-card{display:flex;flex-direction:column;align-items:center;grid-row:auto}
  .p2.v4 .p2-feat{align-self:stretch}
}

/* ---- v5 /san-pham/: the products page ---- */
.prod-page{padding-top:56px}
.prod-page .section-head{margin-bottom:40px}
.prod-page .section-head h1{font-size:clamp(30px,3.6vw,46px);font-weight:800;margin:0 0 12px}
#nhom-hs-ph{margin-top:64px}
a.menu-trigger{text-decoration:none}
a.menu-trigger.on{color:var(--purple)}
.prod-page .lead{text-wrap:balance}

/* 22/10/2026: header chỉ còn logo (chữ FLYER nằm sẵn trong logo) → phóng to logo cho cân thanh 72px. */
.brand.brand-logo-only img{width:54px;height:54px}
@media (max-width:600px){.brand.brand-logo-only img{width:46px;height:46px}}

/* 22/10/2026 anh Tùng: nút hero lùi sang phải một chút cho đỡ dính mép trái của tiêu đề.
   Chỉ áp dụng từ 961px trở lên — dưới mức đó hero xếp một cột, thụt vào sẽ lệch. */
@media (min-width:961px){.hero-actions{justify-content:center}}

/* ---- 22/10 accessibility (Lighthouse) ---- */
footer h3{color:#fff;font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin:0 0 15px}
.kg-node .tri-role{color:color-mix(in srgb,var(--c) 72%,#000)}          /* 4.5:1 on white */
.s-dots{gap:0}
.s-dots button{box-sizing:content-box;padding:8px;background-clip:content-box}   /* 24px touch target, same dot */
#bingo .btn-accent{background:#db2777}       /* white text needs 4.5:1 — #ec4899 / #14b8a6 were 3.5 / 2.5 */
#teado .btn-accent{background:#0f766e}