:root{
  --bg:#0b0d1a; --bg2:#10132a; --surface:#151935; --surface2:#1b2042; --line:rgba(255,255,255,.08);
  --text:#eef0fb; --muted:#a3a9c7; --brand:#6366f1; --brand2:#8b5cf6; --accent:#22d3ee; --ok:#34d399;
  --radius:18px; --wrap:1160px;
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.grad{background:linear-gradient(90deg,#a5b4fc,#c4b5fd 45%,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;padding:11px 20px;border-radius:12px;border:0;cursor:pointer;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 8px 24px -8px rgba(124,92,246,.7);transition:transform .15s,box-shadow .15s,filter .15s;font-family:inherit}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 12px 30px -8px rgba(124,92,246,.85)}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:10px}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-ghost{background:rgba(255,255,255,.06);box-shadow:none;border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.1);box-shadow:none}
.btn-block{width:100%}

/* nav */
.nav{position:sticky;top:0;z-index:50;transition:background .2s,border-color .2s;border-bottom:1px solid transparent}
.nav.scrolled,.nav.open{background:rgba(11,13,26,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;letter-spacing:-.02em}
.links{display:flex;gap:26px;margin-left:auto;font-size:15px;color:var(--muted)}
.links a:hover{color:var(--text)}
.menu-btn{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.menu-btn span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:.2s}
.nav.open .menu-btn span:first-child{transform:translateY(4px) rotate(45deg)}
.nav.open .menu-btn span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* hero */
.hero{position:relative;padding:56px 0 40px;overflow:hidden;background:radial-gradient(1200px 600px at 70% -10%,rgba(99,102,241,.28),transparent 60%),radial-gradient(900px 500px at 0% 30%,rgba(139,92,246,.18),transparent 60%)}
.glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;pointer-events:none}
.g1{width:380px;height:380px;background:#6366f1;top:-120px;right:8%;opacity:.25}
.g2{width:300px;height:300px;background:#22d3ee;bottom:-60px;left:-80px;opacity:.12}
.hero-in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#c7d2fe;background:rgba(99,102,241,.14);border:1px solid rgba(129,140,248,.3);padding:6px 14px;border-radius:99px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(52,211,153,.18)}
h1{font-size:clamp(36px,5.4vw,62px);line-height:1.05;letter-spacing:-.035em;font-weight:800;margin:22px 0 20px}
.lead{font-size:18px;color:var(--muted);max-width:560px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 22px}
.ticks{display:flex;flex-wrap:wrap;gap:8px 22px;list-style:none;font-size:14px;color:var(--muted)}
.ticks li::before{content:"✓";color:var(--ok);font-weight:700;margin-right:7px}

/* phone card */
.phone-card{background:linear-gradient(180deg,rgba(27,32,66,.92),rgba(21,25,53,.92));border:1px solid rgba(129,140,248,.22);border-radius:24px;padding:20px;box-shadow:0 40px 80px -30px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.02) inset;backdrop-filter:blur(6px)}
.pc-head{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.pc-head b{display:block;font-size:15px}
.pc-head small{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12.5px}
.avatar{width:42px;height:42px;border-radius:12px;overflow:hidden;flex:none}
.live{width:7px;height:7px;border-radius:50%;background:#f43f5e;animation:pulse 1.4s infinite}
@keyframes pulse{50%{opacity:.3}}
.wave{margin-left:auto;display:flex;gap:3px;align-items:center;height:24px}
.wave i{width:3px;border-radius:3px;background:linear-gradient(var(--accent),var(--brand2));animation:wv 1s ease-in-out infinite}
.wave i:nth-child(1){height:8px}.wave i:nth-child(2){height:18px;animation-delay:.15s}.wave i:nth-child(3){height:24px;animation-delay:.3s}.wave i:nth-child(4){height:14px;animation-delay:.45s}.wave i:nth-child(5){height:8px;animation-delay:.6s}
@keyframes wv{50%{transform:scaleY(.4)}}
.chat{display:flex;flex-direction:column;gap:10px;padding:18px 0}
.msg{max-width:86%;font-size:14.2px;line-height:1.5;padding:10px 14px;border-radius:16px}
.msg.ai{background:rgba(99,102,241,.16);border:1px solid rgba(129,140,248,.22);border-bottom-left-radius:5px}
.msg.user{align-self:flex-end;background:rgba(255,255,255,.06);border:1px solid var(--line);border-bottom-right-radius:5px;color:#d6d9ec}
.pc-record{background:rgba(52,211,153,.07);border:1px solid rgba(52,211,153,.22);border-radius:14px;padding:12px 14px}
.rc-title{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ok)}
.rc-title svg{width:16px;height:16px}
.pc-record dl{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}
.pc-record dt{font-size:11.5px;color:var(--muted)}
.pc-record dd{font-size:14px;font-weight:600}
.pc-record dd.ok{color:var(--ok)}

.stats{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px}
.stats div{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.stats b{display:block;font-size:28px;font-weight:800;letter-spacing:-.02em}
.stats span{font-size:14px;color:var(--muted)}

.band{border-block:1px solid var(--line);background:linear-gradient(90deg,rgba(99,102,241,.08),rgba(139,92,246,.08))}
.band-in{padding:30px 20px;text-align:center}
.band p{font-size:clamp(17px,2.2vw,21px);font-weight:500;max-width:860px;margin:0 auto;color:#d6d9ec}

/* sections */
.sec{padding:96px 0;position:relative}
.sec.alt{background:var(--bg2)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 52px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#a5b4fc;margin-bottom:12px}
h2{font-size:clamp(28px,3.6vw,42px);line-height:1.15;letter-spacing:-.03em;font-weight:800;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px}
h3{font-size:18px;letter-spacing:-.01em;margin-bottom:8px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:border-color .2s,transform .2s}
.card:hover{border-color:rgba(129,140,248,.4);transform:translateY(-3px)}
.card p{color:var(--muted);font-size:15px}
.ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;color:#c7d2fe;background:linear-gradient(135deg,rgba(99,102,241,.3),rgba(139,92,246,.18));border:1px solid rgba(129,140,248,.3)}
.ic svg{width:22px;height:22px}

.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.steps li{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.steps li>b{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;font-weight:800;margin-bottom:16px;background:linear-gradient(135deg,var(--brand),var(--brand2))}
.steps p{color:var(--muted);font-size:15px}

.chips{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:960px;margin:0 auto}
.chips li{background:var(--surface);border:1px solid var(--line);padding:9px 16px;border-radius:99px;font-size:15px;font-weight:500}
.usecases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.uc{padding:24px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(99,102,241,.1),rgba(99,102,241,.02));border:1px solid rgba(129,140,248,.2)}
.uc p{color:var(--muted);font-size:15px}

/* pricing */
.prices{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;max-width:980px;margin:0 auto}
.price{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:32px;display:flex;flex-direction:column}
.price.main{border-color:rgba(129,140,248,.5);background:linear-gradient(180deg,rgba(99,102,241,.16),var(--surface) 55%);box-shadow:0 30px 70px -30px rgba(99,102,241,.5)}
.badge{position:absolute;top:-13px;left:32px;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:99px;background:linear-gradient(135deg,#10b981,#22d3ee);color:#04211b}
.amount{display:flex;align-items:baseline;gap:8px;margin:6px 0 22px}
.amount b{font-size:46px;letter-spacing:-.03em;font-weight:800}
.amount span{color:var(--muted)}
.price ul{list-style:none;display:grid;gap:10px;margin-bottom:28px}
.price li{display:flex;gap:10px;font-size:15px}
.price li::before{content:"";flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;background:rgba(52,211,153,.18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2334d399' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat}
.price .btn{margin-top:auto}
.price>small{display:block;color:var(--muted);font-size:13px;margin-top:12px;text-align:center}
.pdesc{color:var(--muted);font-size:15px;margin-bottom:16px}
.opt{border:1px solid var(--line);background:rgba(255,255,255,.02);border-radius:14px;padding:16px;margin-bottom:12px}
.opt h4{font-size:16px;margin-bottom:4px;display:flex;align-items:center;gap:8px}
.opt em{font-style:normal;font-size:11.5px;font-weight:700;color:#a7f3d0;background:rgba(52,211,153,.14);padding:2px 8px;border-radius:99px}
.opt p{color:var(--muted);font-size:14.5px}
.note{font-size:13.5px;color:var(--muted);margin:6px 0 22px}

/* faq */
.faq{display:grid;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 22px;transition:border-color .2s}
.faq details[open]{border-color:rgba(129,140,248,.35)}
.faq summary{cursor:pointer;list-style:none;font-weight:600;font-size:16.5px;padding:18px 0;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:#a5b4fc;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding-bottom:18px}

/* demo */
.cta-sec{background:radial-gradient(900px 500px at 15% 20%,rgba(99,102,241,.22),transparent 60%),var(--bg2);overflow:hidden}
.g3{width:360px;height:360px;background:#8b5cf6;bottom:-140px;right:-60px;opacity:.2}
.demo-in{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.demo-text p{color:var(--muted);font-size:17px}
.contact{display:grid;gap:12px;margin-top:30px}
.contact a{display:flex;align-items:center;gap:14px;padding:14px 18px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line);transition:border-color .2s}
.contact a:hover{border-color:rgba(129,140,248,.45)}
.contact svg{color:#a5b4fc;width:22px;height:22px}
.contact span{font-weight:600;font-size:16px}
.contact small{display:block;font-weight:500;font-size:12.5px;color:var(--muted)}
.form{background:var(--surface);border:1px solid rgba(129,140,248,.25);border-radius:22px;padding:28px;display:grid;gap:14px;box-shadow:0 30px 70px -35px rgba(0,0,0,.8)}
.form label{display:grid;gap:6px;font-size:14px;font-weight:500;color:#d6d9ec}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form input,.form select,.form textarea{font:inherit;font-size:15px;color:var(--text);background:var(--bg);border:1px solid rgba(255,255,255,.12);border-radius:11px;padding:11px 13px;width:100%;transition:border-color .15s,box-shadow .15s}
.form textarea{resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.25)}
.form input::placeholder,.form textarea::placeholder{color:#6b7194}
.opt-l{color:var(--muted);font-weight:400}
.form .check{display:flex;align-items:flex-start;gap:10px;font-weight:400;font-size:13.5px;color:var(--muted)}
.form .check input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand);flex:none}
.hp{position:absolute;left:-9999px}

/* footer */
.foot{border-top:1px solid var(--line);padding:44px 0 28px}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;align-items:start}
.foot-logo{height:36px;width:auto;margin-bottom:10px}
.foot p{color:var(--muted);font-size:14px}
.foot-links,.foot-contact{display:grid;gap:8px;font-size:14.5px;color:var(--muted)}
.foot-links a:hover,.foot-contact a:hover{color:var(--text)}
.copy{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:#6b7194}

/* reveal */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
.chat .msg.rv{transition-duration:.5s}
.chat .msg:nth-child(2){transition-delay:.35s}.chat .msg:nth-child(3){transition-delay:.7s}.chat .msg:nth-child(4){transition-delay:1.05s}.chat .msg:nth-child(5){transition-delay:1.4s}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}html{scroll-behavior:auto}}

/* thanks page */
.thanks{min-height:100vh;display:grid;place-items:center;text-align:center;padding:40px 20px;background:radial-gradient(900px 500px at 50% 0%,rgba(99,102,241,.25),transparent 60%)}
.thanks .box{max-width:520px}
.thanks .ok-ic{width:72px;height:72px;border-radius:50%;margin:0 auto 24px;display:grid;place-items:center;background:rgba(52,211,153,.15);border:1px solid rgba(52,211,153,.35);color:var(--ok)}
.thanks .ok-ic svg{width:34px;height:34px}
.thanks p{color:var(--muted);font-size:17px;margin-bottom:28px}

/* responsive */
@media (max-width:980px){
  .hero-in,.demo-in{grid-template-columns:1fr;gap:40px}
  .phone-card{max-width:520px}
  .grid3,.usecases{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .prices{grid-template-columns:1fr}
}
@media (max-width:820px){
  .links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:rgba(11,13,26,.97);border-bottom:1px solid var(--line);padding:8px 20px 16px}
  .links a{padding:12px 0;border-bottom:1px solid var(--line);color:var(--text)}
  .nav.open .links{display:flex}
  .menu-btn{display:flex}
  .nav-in{gap:12px}
  .nav-in .btn-sm{margin-left:auto}
}
@media (max-width:620px){
  .wrap{padding:0 16px}
  .sec{padding:68px 0}
  .hero{padding-top:36px}
  .grid3,.usecases,.steps,.row2{grid-template-columns:1fr}
  .stats{gap:10px;margin-top:40px}
  .stats div{padding:14px 16px}
  .stats b{font-size:23px}
  .cta .btn{width:100%}
  .lead{font-size:16.5px}
  .price,.form{padding:22px}
  .foot-in{grid-template-columns:1fr}
  .pc-record dl{grid-template-columns:1fr 1fr 1fr}
}