/* AIAssistant product site — shared styles */
:root{
  --bg:#0b0f1e; --bg2:#121a33; --card:#161f3d; --line:#26304f;
  --ink:#eef1fb; --muted:#9aa6c7; --brand:#6c8cff; --brand2:#a06bff;
  --ok:#3ddc97; --warn:#ffcc66;
  --grad:linear-gradient(135deg,#6c8cff 0%,#a06bff 55%,#ff7ac6 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"Segoe UI","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  background:radial-gradient(1200px 600px at 80% -10%,#1c2547 0,transparent 60%),var(--bg);
  color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.brandgrad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* nav */
nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
  background:rgba(11,15,30,.72);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.3px}
.logo .dot{width:26px;height:26px;border-radius:8px;background:var(--grad);display:inline-block;
  box-shadow:0 4px 18px rgba(108,140,255,.5)}
.navlinks{display:flex;gap:24px;color:var(--muted);font-size:14px}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.navlinks a.active{font-weight:700}
.btn{display:inline-block;padding:11px 20px;border-radius:11px;font-weight:700;font-size:14px;
  background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(120,110,255,.35);border:0;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(120,110,255,.5)}
.btn.ghost{background:transparent;border:1px solid var(--line);box-shadow:none;color:var(--ink)}

/* generic section */
section{padding:64px 0}
.kicker{color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.5px}
h1{font-size:52px;line-height:1.08;font-weight:850;letter-spacing:-.5px}
h2{font-size:34px;font-weight:820;margin:8px 0 10px;letter-spacing:-.3px}
.sub{color:var(--muted);max-width:660px;font-size:16px}
.lead{font-size:18px;color:var(--muted);max-width:520px}

/* page header (sub pages) */
.pagehead{padding:66px 0 8px}
.pagehead .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  border:1px solid var(--line);padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.02)}

/* hero */
.hero{padding:72px 0 40px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  border:1px solid var(--line);padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.02)}
.eyebrow b{color:var(--ok)}
.hero h1{margin:20px 0 16px}
.cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.stats{display:flex;gap:30px;margin-top:36px}
.stats div b{display:block;font-size:26px;font-weight:800}
.stats div span{font-size:13px;color:var(--muted)}

/* phone / chat demo */
.phone{justify-self:center;width:330px;background:#0d1226;border:1px solid var(--line);
  border-radius:30px;padding:14px;box-shadow:0 30px 80px rgba(0,0,0,.5);position:relative}
.phone .top{display:flex;align-items:center;gap:10px;padding:6px 8px 12px}
.phone .ava{width:34px;height:34px;border-radius:50%;background:var(--grad)}
.phone .top .nm{font-weight:700;font-size:15px}
.phone .top .st{font-size:12px;color:var(--ok)}
.chat{height:420px;overflow:hidden;padding:6px 4px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:82%;padding:10px 13px;border-radius:15px;font-size:14px;opacity:0;transform:translateY(8px);
  animation:pop .4s forwards}
.msg.me{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:5px}
.msg.bot{align-self:flex-start;background:#1b2547;border:1px solid var(--line);border-bottom-left-radius:5px}
.msg.bot .tag{font-size:11px;color:var(--brand);font-weight:700;margin-bottom:3px}
@keyframes pop{to{opacity:1;transform:none}}
.btnrow{display:flex;gap:7px;flex-wrap:wrap;margin-top:3px}
.chip{font-size:12px;padding:6px 11px;border-radius:9px;background:#1b2547;border:1px solid var(--line);color:var(--brand)}

/* cards grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;transition:.2s}
.card:hover{transform:translateY(-4px);border-color:#3a4a72;box-shadow:0 18px 40px rgba(0,0,0,.35)}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:23px;
  background:rgba(108,140,255,.14);margin-bottom:14px}
.card h3{font-size:18px;margin-bottom:7px}
.card p{color:var(--muted);font-size:14.5px}

/* team */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.member{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center}
.member .em{font-size:30px}
.member b{display:block;margin-top:8px;font-size:15px}
.member span{font-size:12.5px;color:var(--muted)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.step .n{font-size:44px;font-weight:850;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.step h3{margin:6px 0 6px;font-size:19px}
.step p{color:var(--muted);font-size:14.5px}

/* split panels */
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px}
.panel h3{font-size:19px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.panel ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.panel li{color:var(--muted);font-size:14.5px;padding-left:26px;position:relative}
.panel li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.panel.sec li:before{content:"🔒";left:0}

/* module detail rows (modules.html) */
.mod{display:grid;grid-template-columns:64px 1fr;gap:20px;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:24px;margin-top:16px}
.mod .em{font-size:38px;line-height:1}
.mod h3{font-size:20px;margin-bottom:4px}
.mod .role{color:var(--brand);font-size:13px;font-weight:700;margin-bottom:10px}
.mod p{color:var(--muted);font-size:14.5px;margin-bottom:12px}
.mod .uses{display:flex;gap:8px;flex-wrap:wrap}
.mod .uses span{font-size:12.5px;padding:5px 11px;border-radius:9px;background:rgba(108,140,255,.12);
  border:1px solid var(--line);color:#c3ccef}

/* pricing */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
.price{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px;display:flex;flex-direction:column}
.price.hot{border-color:var(--brand);box-shadow:0 20px 50px rgba(108,140,255,.22);position:relative}
.price.hot .flag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);
  color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px}
.price h3{font-size:20px}
.price .amt{font-size:34px;font-weight:850;margin:10px 0 2px}
.price .amt small{font-size:14px;color:var(--muted);font-weight:500}
.price .desc{color:var(--muted);font-size:14px;min-height:42px}
.price ul{list-style:none;margin:18px 0;display:flex;flex-direction:column;gap:10px;flex:1}
.price li{font-size:14px;color:#c3ccef;padding-left:24px;position:relative}
.price li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}

/* faq */
.faq{margin-top:30px;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 20px}
.faq summary{cursor:pointer;padding:16px 0;font-weight:700;font-size:16px;list-style:none;display:flex;justify-content:space-between}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--brand);font-size:22px}
.faq details[open] summary:after{content:"–"}
.faq p{color:var(--muted);font-size:14.5px;padding:0 0 18px}

/* contact form */
.formwrap{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:34px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;background:#0d1226;border:1px solid var(--line);
  border-radius:11px;padding:12px 14px;color:var(--ink);font-size:14px;font-family:inherit}
.field textarea{min-height:110px;resize:vertical}
.contactside{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px}
.contactside .row{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px}
.contactside .row .em{font-size:22px}
.contactside .row b{display:block;font-size:15px}
.contactside .row span{color:var(--muted);font-size:13.5px}
.note{color:var(--warn);font-size:12.5px;margin-top:8px}

/* cta band */
.cta-band{background:var(--grad);border-radius:24px;padding:52px;text-align:center;margin:20px 0 0}
.cta-band h2{font-size:32px}
.cta-band p{color:rgba(255,255,255,.85);max-width:560px;margin:8px auto 24px}
.cta-band .btn{background:#fff;color:#3a2d7a}

/* footer */
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:13px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.badge{font-size:12px;color:var(--warn);border:1px solid var(--line);padding:3px 10px;border-radius:999px}

@media(max-width:900px){
  .hero{grid-template-columns:1fr;gap:30px}.phone{order:-1}
  h1{font-size:38px}
  .grid,.team,.steps,.split,.prices,.formwrap{grid-template-columns:1fr}
  .navlinks{display:none}
}