*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:var(--cf);background:var(--cbg);color:var(--ink);line-height:1.6;font-size:17px}
a{color:var(--c1)}
:focus-visible{outline:3px solid var(--c2);outline-offset:3px;border-radius:6px}
img,svg{display:block;max-width:100%}
.banner{background:#070b18;color:#e8ebf5;font:500 14px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;padding:.7rem 1rem;text-align:center}
.banner strong{color:#fcd34d}
.banner a{color:#67e8f9}
.wrap{width:min(1120px,90vw);margin:auto}
.cnav{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 0;gap:1rem;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.35rem;letter-spacing:-.01em;display:flex;align-items:center;gap:.55rem;color:var(--ink);text-decoration:none}
.logo svg{width:34px;height:34px}
.cnav ul{display:flex;gap:1.4rem;list-style:none;margin:0;padding:0;font:500 15px system-ui,sans-serif}
.cnav ul a{color:var(--ink);text-decoration:none;opacity:.8}
.cbtn{display:inline-block;background:var(--c1);color:#fff;font:700 15px system-ui,sans-serif;padding:.8rem 1.3rem;border-radius:999px;text-decoration:none}
.cbtn.alt{background:#fff;color:var(--c1)}
.chero{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center;background:linear-gradient(135deg,var(--c1),var(--c2));color:#fff;border-radius:28px;padding:clamp(2rem,6vw,4.5rem);margin:.5rem 0 4rem;overflow:hidden}
.chero h1{font-size:clamp(2.3rem,5.5vw,4rem);line-height:1.04;margin:0 0 1rem;letter-spacing:-.02em}
.chero p{font-size:1.15rem;max-width:34rem;opacity:.95;margin:0 0 1.6rem}
.chero .k{font:700 12px system-ui,sans-serif;letter-spacing:.16em;text-transform:uppercase;opacity:.85;margin-bottom:.8rem}
.chero .demo{font-weight:400;opacity:.75}
.art{aspect-ratio:1;max-width:360px;width:100%;margin:auto}
@media (max-width:820px){.chero{grid-template-columns:1fr}.art{max-width:220px}.cnav ul{display:none}}
h2{font-size:clamp(1.8rem,3.5vw,2.5rem);margin:0 0 .6rem;letter-spacing:-.015em;line-height:1.15;color:var(--c1)}
.sub{opacity:.75;margin:0 0 2rem;max-width:40rem}
.grid{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.card{background:#fff;border-radius:20px;padding:1.6rem;box-shadow:0 14px 40px -22px rgba(0,0,0,.35);border:1px solid rgba(0,0,0,.05)}
.card h3{margin:0 0 .35rem;font-size:1.2rem;color:var(--c1)}
.card p{margin:0;opacity:.8}
.card .pr{font:700 15px system-ui,sans-serif;color:var(--ink);margin-top:.9rem;display:block}
.sec{margin:0 0 4.5rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
@media (max-width:820px){.two{grid-template-columns:1fr}}
.panel{background:#fff;border-radius:24px;padding:2rem;box-shadow:0 14px 40px -22px rgba(0,0,0,.35)}
.panel dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.6rem 1.2rem}
.panel dt{font-weight:700}
.panel dd{margin:0;opacity:.85}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:.9rem}
.steps li{display:flex;gap:.9rem;align-items:flex-start}
.steps b{flex:none;width:34px;height:34px;border-radius:50%;background:var(--c2);color:var(--ink);display:grid;place-items:center;font:800 14px system-ui,sans-serif}
.cta{background:var(--ink);color:#fff;border-radius:28px;padding:clamp(2rem,5vw,3.5rem);text-align:center;margin-bottom:3rem}
.cta h2{color:#fff}
.cta p{opacity:.85;margin:0 auto 1.4rem;max-width:34rem}
footer{padding:1.5rem 0 3rem;font:14px/1.6 system-ui,sans-serif;opacity:.8;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid rgba(0,0,0,.1)}
.chat-demo{position:fixed;right:20px;bottom:20px;width:min(320px,calc(100vw - 40px));background:#fff;border-radius:18px;box-shadow:0 20px 50px -15px rgba(0,0,0,.45);font:14px/1.45 system-ui,sans-serif;color:#222;overflow:hidden;z-index:10}
.chat-demo header{background:var(--c1);color:#fff;padding:.7rem 1rem;display:flex;justify-content:space-between;align-items:center;font-weight:700}
.chat-demo header small{font-weight:500;background:rgba(255,255,255,.2);padding:.1rem .5rem;border-radius:999px}
.chat-demo .msgs{padding:.9rem;display:grid;gap:.5rem;background:#faf7f2}
.chat-demo .m{padding:.5rem .75rem;border-radius:12px;max-width:85%}
.chat-demo .bot{background:#fff;border:1px solid #eee}
.chat-demo .you{background:var(--c2);color:#2b1a0e;justify-self:end}
.chat-demo .input{padding:.6rem .9rem;border-top:1px solid #eee;color:#767676}
.chat-demo .note{padding:.5rem .9rem .7rem;font-size:12px;color:#555;background:#fff}
@media (max-width:700px){.chat-demo{position:static;margin:0 auto 2rem;width:auto}}