:root{--bg:#05060b;--fg:#f2f4ff;--mute:#8d93ad;--line:#1b1f30;--accent:#7c8cff;--onaccent:#05060b;--glow:rgba(124,140,255,.22);--shine:rgba(124,140,255,.22);--navbg:rgba(5,6,11,.7);--sans:'Inter',system-ui,sans-serif;--display:'Instrument Serif',serif}
h1,h2{font-weight:400;letter-spacing:-.035em;line-height:1}
h1{font-size:clamp(46px,7vw,104px)}h2{font-size:clamp(34px,4.8vw,64px)}
em{font-family:var(--display);font-style:italic;color:var(--accent);font-weight:400}
.hero{min-height:92vh;display:flex;align-items:center;position:relative;overflow:hidden;padding:150px 0 90px}
.hero .wrap{position:relative;z-index:2}
.hero p.lead{font-size:clamp(17px,1.5vw,21px);color:var(--mute);max-width:600px;line-height:1.55;margin:30px 0 38px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.hero canvas.net{opacity:.7}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 70% at 30% 50%,rgba(5,6,11,.75),transparent);pointer-events:none}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.card{background:linear-gradient(160deg,#0d1020,#080a14);border:1px solid var(--line);border-radius:22px;padding:36px;min-height:260px;display:flex;flex-direction:column;justify-content:space-between;transition:box-shadow .45s,border-color .45s}
.card:hover{border-color:rgba(150,165,255,.8);box-shadow:0 0 0 2px rgba(124,140,255,.35),0 0 38px 4px rgba(124,140,255,.5),0 0 120px 20px rgba(124,140,255,.32),inset 0 0 60px -26px rgba(124,140,255,.7)}
.card .num{font-family:var(--display);font-size:20px;color:var(--accent)}
.card h3{font-size:26px;font-weight:500;letter-spacing:-.02em;margin:40px 0 12px}.card p{color:var(--mute);line-height:1.6}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-block:1px solid var(--line);padding:56px 0}
.stats b{display:block;font-size:clamp(44px,5.4vw,80px);font-weight:300;letter-spacing:-.04em;line-height:1}
.stats span{color:var(--mute);font-size:14px;display:block;margin-top:12px}
.demo{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.demo p{color:var(--mute);line-height:1.6;margin:22px 0 26px;max-width:440px}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:transparent;color:var(--mute);border-radius:99px;padding:9px 18px;font:500 14px var(--sans);cursor:pointer;transition:.25s}
.chip:hover{color:var(--fg);border-color:var(--accent)}.chip.on{background:var(--accent);color:var(--onaccent);border-color:var(--accent)}
.chat{background:#090c18;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 0 90px -30px rgba(124,140,255,.5)}
.chat header{padding:18px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;font-size:14px;color:var(--mute)}
.chat header i{width:9px;height:9px;border-radius:50%;background:#46f0a6;animation:pu 1.6s infinite}
@keyframes pu{50%{opacity:.3}}
.msgs{height:340px;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:14px}
.m{max-width:82%;padding:13px 18px;border-radius:18px;font-size:15px;line-height:1.5;animation:pop .4s cubic-bezier(.2,1.2,.4,1)}
@keyframes pop{from{transform:translateY(10px) scale(.96);opacity:0}}
.m.ai{background:#141a33;align-self:flex-start;border-bottom-left-radius:4px}
.m.me{background:var(--accent);color:var(--onaccent);align-self:flex-end;border-bottom-right-radius:4px}
.m.sc{align-self:center;border:1px solid var(--accent);color:var(--accent);font-size:13px;letter-spacing:.06em}
.dots span{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--mute);margin:0 2px;animation:dt 1s infinite}
.dots span:nth-child(2){animation-delay:.15s}.dots span:nth-child(3){animation-delay:.3s}
@keyframes dt{50%{transform:translateY(-5px)}}
.opts{display:flex;gap:10px;padding:0 24px 24px;flex-wrap:wrap;min-height:84px}
.opts button{flex:1 1 180px;border:1px solid var(--line);background:#0d1122;color:var(--fg);border-radius:14px;padding:12px 14px;font:400 14px var(--sans);cursor:pointer;text-align:left;transition:.25s}
.opts button:hover{border-color:var(--accent);box-shadow:0 0 30px -8px rgba(124,140,255,.6);transform:translateY(-2px)}
.steps{margin-top:50px}
.step{display:grid;grid-template-columns:80px 1fr 1.3fr;gap:24px;padding:34px 0;border-top:1px solid var(--line);align-items:baseline}
.step .n{font-family:var(--display);font-size:28px;color:var(--mute);transition:color .3s}
.step h4{font-size:26px;font-weight:500;letter-spacing:-.02em}.step p{color:var(--mute);line-height:1.6}
.cta{text-align:center;padding:170px 0;background:radial-gradient(50% 60% at 50% 100%,rgba(124,140,255,.3),transparent);position:relative;overflow:hidden}
.cta .wrap{position:relative;z-index:2}.cta h2{margin-bottom:38px}
.back{color:var(--mute);font-size:14px}.back:hover{color:var(--fg)}
@media(max-width:900px){.cards3,.stats,.demo,.step{grid-template-columns:1fr}.demo{gap:40px}}
@media(max-width:700px){
.wrap{padding:0 20px}
nav.top .btn,.back{display:none}
.logo{font-size:16px}
section{padding:80px 0}
.hero{padding:120px 0 70px;min-height:auto}
.stats{grid-template-columns:1fr 1fr;gap:34px 16px;padding:44px 0}
.card{padding:28px;min-height:220px}
.step{grid-template-columns:44px 1fr;gap:6px 14px;padding:26px 0}.step p{grid-column:2}
.cta{padding:110px 0}
.msgs{height:300px}
.hero .btns .btn{width:100%;justify-content:center}
}