:root{
  --bg:#070b11; --surf:#0d141c; --surf2:#121b25;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.17);
  --tx:#eaf1f4; --tx2:#9bb0bd; --tx3:#6c8191;
  --mint:#00d49a; --amber:#ffb020; --sky:#49b8ff; --rose:#ff6b8a;
  --grad:linear-gradient(95deg,#00d49a,#49b8ff);
  --max:1160px; --r:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--tx);
  font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,.brand-text,.price b,.trk-day,.a-kpi b,.rstat{font-family:Sora,"Plus Jakarta Sans",sans-serif;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.wrap-narrow{max-width:800px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* background */
.bg-mesh{position:fixed;inset:0;z-index:-3;pointer-events:none;
  background:
   radial-gradient(620px 420px at 78% -4%,rgba(0,212,154,.22),transparent 64%),
   radial-gradient(560px 380px at 6% 8%,rgba(73,184,255,.16),transparent 62%),
   radial-gradient(700px 500px at 50% 104%,rgba(255,176,32,.08),transparent 66%)}
.bg-dots{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:30px 30px;
  mask-image:radial-gradient(circle at 60% 0%,#000 0%,transparent 66%)}

/* live dot */
.live{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--mint);
  margin-right:7px;vertical-align:1px;box-shadow:0 0 0 0 rgba(0,212,154,.6);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(0,212,154,0)}100%{box-shadow:0 0 0 0 rgba(0,212,154,0)}}

/* nav */
.nav{position:sticky;top:0;z-index:60;transition:.25s}
.nav-in{display:flex;align-items:center;gap:20px;max-width:var(--max);margin:0 auto;padding:14px 20px}
.nav.scrolled{background:rgba(7,11,17,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-size:19.5px;font-weight:700}
.brand-mark{display:grid;place-items:center;width:33px;height:33px;border-radius:10px;
  background:var(--grad);color:#06100d;font-weight:700;font-family:Sora,sans-serif}
.brand-text .dot{color:var(--mint)}
.nav-links{display:flex;gap:25px;margin-left:auto;font-size:14.5px;color:var(--tx2)}
.nav-links a{position:relative;padding:4px 0;transition:.2s}
.nav-links a:hover{color:var(--tx)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--mint);transition:.25s}
.nav-links a:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--tx);border-radius:2px;transition:.2s}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:11px;border:1px solid var(--line2);
  font-family:inherit;font-size:15px;font-weight:600;cursor:pointer;transition:.22s;white-space:nowrap}
.btn-sm{padding:9px 17px;font-size:14px}
.btn-primary{background:var(--grad);color:#05120e;border-color:transparent;box-shadow:0 10px 30px -14px rgba(0,212,154,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -14px rgba(0,212,154,1)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--tx)}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-full{width:100%;margin-top:4px}

/* hero */
.hero{padding:70px 0 80px}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.pill{display:inline-block;padding:7px 15px;border-radius:999px;border:1px solid var(--line2);
  background:rgba(255,255,255,.04);font-size:13.4px;color:var(--tx2);margin-bottom:22px}
.hero h1{font-size:clamp(2.15rem,4.6vw,3.6rem);line-height:1.1;margin:0 0 20px;font-weight:700}
.lead{font-size:clamp(1rem,1.4vw,1.1rem);color:var(--tx2);margin:0 0 30px;max-width:580px}
.lead strong{color:var(--tx)}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:14px;color:var(--tx3)}

/* roster card */
.roster{background:linear-gradient(170deg,var(--surf2),var(--surf));border:1px solid var(--line2);
  border-radius:20px;padding:20px;box-shadow:0 40px 80px -40px rgba(0,0,0,.9)}
.roster-head{display:flex;justify-content:space-between;align-items:center;
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:6px}
.rh-title{font-size:13.5px;font-weight:600;color:var(--tx2)}
.rh-live{font-size:12.5px;color:var(--mint)}
.roster-list li{display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:12px;
  padding:13px 0;border-bottom:1px solid var(--line)}
.av{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  font-size:12px;font-weight:700;color:#06100d}
.av-1{background:#00d49a}.av-2{background:#49b8ff}.av-3{background:#ffb020}.av-4{background:#ff6b8a}
.rinfo{min-width:0}
.rinfo b{display:block;font-size:14.4px;font-weight:600}
.rinfo span{font-size:12.6px;color:var(--tx3)}
.rstat{font-size:13px;font-weight:600;padding:4px 10px;border-radius:999px;white-space:nowrap}
.rstat.ok{color:var(--mint);background:rgba(0,212,154,.12)}
.rstat.warn{color:var(--amber);background:rgba(255,176,32,.13)}
.roster-foot{padding-top:15px}
.roster-foot b{display:block;font-family:Sora,sans-serif;font-size:1.5rem;color:var(--mint)}
.roster-foot span{font-size:12.8px;color:var(--tx3)}

/* strip */
.strip{border-block:1px solid var(--line);background:rgba(255,255,255,.015)}
.strip-in{display:flex;align-items:center;gap:22px;flex-wrap:wrap;padding-block:16px}
.strip-label{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--tx3);font-weight:600}
.strip-list{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14.4px;color:var(--tx2)}

/* sections */
.sec{padding:82px 0}
.sec-alt{background:rgba(255,255,255,.018)}
.sec-head{max-width:720px;margin:0 auto 42px;text-align:center}
.kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.17em;text-transform:uppercase;
  color:var(--mint);margin-bottom:11px}
.sec-head h2{font-size:clamp(1.65rem,3.3vw,2.4rem);margin:0 0 11px;line-height:1.2}
.sub{color:var(--tx2);margin:0;font-size:15.8px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

/* agent cards */
.agent{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:24px;
  display:flex;flex-direction:column;transition:.25s;position:relative;overflow:hidden}
.agent::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  transform:scaleY(0);transform-origin:top;transition:.3s}
.agent:hover{transform:translateY(-4px);border-color:var(--line2);background:var(--surf2)}
.agent:hover::after{transform:scaleY(1)}
.agent header{display:flex;gap:13px;align-items:flex-start;margin-bottom:13px}
.a-ico{width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;border-radius:12px;
  background:rgba(0,212,154,.1);border:1px solid rgba(0,212,154,.22);font-size:19px}
.agent h3{margin:0;font-size:1.08rem;line-height:1.3}
.a-role{font-size:12.4px;color:var(--tx3)}
.agent p{margin:0 0 18px;color:var(--tx2);font-size:14.9px;flex:1}
.a-kpi{padding-top:14px;border-top:1px dashed var(--line2)}
.a-kpi b{display:block;font-size:1.22rem;color:var(--mint)}
.a-kpi span{font-size:12.8px;color:var(--tx3)}

/* track (trien khai) */
.track{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.track::before{content:"";position:absolute;top:34px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,transparent,var(--line2),var(--line2),transparent)}
.trk{position:relative;background:var(--surf);border:1px solid var(--line);border-radius:var(--r);
  padding:22px 20px;transition:.25s}
.trk:hover{border-color:var(--line2);transform:translateY(-4px)}
.trk-day{display:inline-block;padding:5px 12px;border-radius:999px;background:rgba(0,212,154,.12);
  border:1px solid rgba(0,212,154,.3);color:var(--mint);font-size:12.4px;font-weight:600;margin-bottom:12px}
.trk h3{margin:0 0 7px;font-size:1.03rem}
.trk p{margin:0;font-size:14.4px;color:var(--tx2)}
.track-note{margin:24px auto 0;max-width:720px;text-align:center;font-size:14.6px;color:var(--tx3)}

/* comparison table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surf)}
.cmp{width:100%;border-collapse:collapse;min-width:560px}
.cmp th,.cmp td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.cmp thead th{font-size:12.2px;letter-spacing:.11em;text-transform:uppercase;color:var(--tx3);
  background:rgba(255,255,255,.03);font-weight:700}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody tr:hover{background:rgba(255,255,255,.025)}
.cmp td:nth-child(2){color:var(--tx3)}
.cmp td.good{color:var(--mint);font-weight:600}
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.quotes blockquote{margin:0;padding:24px;background:var(--surf);border:1px solid var(--line);
  border-radius:var(--r);border-left:3px solid var(--amber);font-size:15.4px;color:var(--tx2)}
.quotes cite{display:block;margin-top:13px;font-size:13.4px;color:var(--tx3);font-style:normal}

/* integrations */
.int-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.int-col{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.int-col h3{margin:0 0 15px;font-size:1.02rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:7px 13px;border-radius:9px;background:rgba(255,255,255,.045);
  border:1px solid var(--line);font-size:13.6px;color:var(--tx2)}

/* security */
.scard{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:.25s}
.scard:hover{border-color:rgba(0,212,154,.3);transform:translateY(-4px)}
.s-ico{display:block;font-size:1.6rem;margin-bottom:12px}
.scard h3{margin:0 0 8px;font-size:1.01rem}
.scard p{margin:0;font-size:14.4px;color:var(--tx2)}

/* pricing */
.plan{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:26px;
  display:flex;flex-direction:column;position:relative;transition:.25s}
.plan:hover{border-color:var(--line2)}
.plan h3{margin:0 0 4px;font-size:1.08rem}
.plan-hot{border-color:rgba(0,212,154,.5);background:linear-gradient(180deg,rgba(0,212,154,.1),var(--surf));
  box-shadow:0 26px 60px -34px rgba(0,212,154,.75)}
.tag-hot{position:absolute;top:-11px;left:50%;transform:translateX(-50%);padding:5px 13px;border-radius:999px;
  background:var(--grad);color:#05120e;font-size:11.5px;font-weight:700;white-space:nowrap}
.price{margin:10px 0 18px}
.price b{display:block;font-size:1.85rem;font-weight:700;line-height:1.2}
.price small{font-size:13.2px;color:var(--tx3);font-weight:500}
.ticks{flex:1;margin-bottom:18px}
.ticks li{position:relative;padding-left:24px;margin-bottom:9px;font-size:14.6px;color:var(--tx2)}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--mint);font-weight:700}
.price-note{margin:22px auto 0;max-width:660px;text-align:center;font-size:14px;color:var(--tx3)}

/* faq */
.faq{border:1px solid var(--line);border-radius:13px;background:var(--surf);margin-bottom:10px;overflow:hidden}
.faq summary{padding:17px 21px;cursor:pointer;font-weight:600;font-size:15.4px;list-style:none;
  display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--mint);line-height:1;transition:.2s;flex:0 0 auto}
.faq[open] summary::after{transform:rotate(45deg)}
.faq[open]{border-color:var(--line2)}
.faq p{margin:0;padding:0 21px 18px;color:var(--tx2);font-size:14.9px}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px}
.ci,.cform{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.ci h3,.cform h3{margin:0 0 12px;font-size:1.12rem}
.ci-desc{margin:0 0 20px;color:var(--tx2);font-size:14.9px}
.ci-list{display:grid;gap:15px;margin-bottom:22px}
.ci-list li{display:grid;grid-template-columns:36px 1fr;gap:13px;align-items:center}
.ci-ico{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;
  background:rgba(0,212,154,.1);border:1px solid rgba(0,212,154,.24);font-size:15px}
.ci-body b{display:block;font-size:11.6px;letter-spacing:.11em;text-transform:uppercase;color:var(--tx3);font-weight:700}
.ci-body a,.ci-body span{font-size:15px;color:var(--tx)}
.ci-body a:hover{color:var(--mint)}
.cform label{display:block;font-size:13.3px;color:var(--tx2);margin-bottom:14px;font-weight:500}
.cform label i{color:var(--rose);font-style:normal}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cform input,.cform select,.cform textarea{width:100%;margin-top:6px;padding:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--tx);
  font-family:inherit;font-size:15px;transition:.2s}
.cform textarea{resize:vertical}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:none;border-color:var(--mint);
  background:rgba(0,212,154,.06);box-shadow:0 0 0 3px rgba(0,212,154,.14)}
.cform input.err,.cform textarea.err{border-color:var(--rose);box-shadow:0 0 0 3px rgba(255,107,138,.14)}
.cform select option{background:var(--surf2);color:var(--tx)}
.f-note{margin:12px 0 0;font-size:12.6px;color:var(--tx3);text-align:center}

/* footer */
.footer{border-top:1px solid var(--line);padding:44px 0 24px;background:rgba(0,0,0,.3)}
.footer-in{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.f-small{margin:14px 0 0;font-size:14px;color:var(--tx3);line-height:1.85}
.f-small a:hover{color:var(--mint)}
.f-nav{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14.3px;color:var(--tx2)}
.f-nav a:hover{color:var(--tx)}
.f-bottom{margin-top:32px;padding-top:19px;border-top:1px solid var(--line);
  font-size:13px;color:var(--tx3);text-align:center}

/* reveal: chi an khi JS san sang */
.js-reveal .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.js-reveal .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js-reveal .reveal{opacity:1!important;transform:none!important;transition:none}
  html{scroll-behavior:auto}.live{animation:none}}

/* responsive */
@media(max-width:1000px){
  .hero-in{grid-template-columns:1fr;gap:38px}
  .lead{max-width:none}
  .grid-3,.grid-4,.int-grid,.track,.quotes,.contact-grid{grid-template-columns:repeat(2,1fr)}
  .track::before{display:none}
}
@media(max-width:760px){
  .nav-in{position:relative;flex-wrap:wrap}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(9,14,21,.98);backdrop-filter:blur(16px);border-block:1px solid var(--line);padding:6px 20px}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav-links a:last-child{border-bottom:0}
  .nav-toggle{display:flex;order:3}
  .nav-in .btn-sm{margin-left:auto}
  .hero{padding:44px 0 58px}
  .sec{padding:58px 0}
  .grid-3,.grid-4,.int-grid,.track,.quotes,.contact-grid,.f-row{grid-template-columns:1fr}
  .roster,.agent,.trk,.int-col,.scard,.plan,.ci,.cform{padding:20px}
  .strip-in{gap:12px}
}