:root{color-scheme:dark;--bg:#0a0d15;--panel:#111724;--line:#293348;--muted:#a9b4c9;--blue:#98adff;--action:#3554e6;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:#f7f8ff}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(ellipse at 12% 10%,#172755 0%,transparent 46%),var(--bg)}
.shell{max-width:1260px;margin:auto;padding:0 40px}
.brand{height:88px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:.86rem}
.brand img{object-fit:contain;object-position:left}
main{display:grid;grid-template-columns:1.15fr 1fr;gap:65px;align-items:start;padding:64px 0 52px}
.eyebrow{color:var(--blue);font-weight:750;letter-spacing:.14em;font-size:.72rem;margin:0 0 20px}
h1{font-size:clamp(2.5rem,5vw,4.7rem);line-height:1.01;letter-spacing:-.06em;margin:0;font-weight:800}
h1 em{display:block;color:var(--blue);font-style:normal}
.lede{color:#c0c9da;line-height:1.65;max-width:48ch;margin:20px 0 26px}
.machine{position:relative;overflow:hidden;margin:0;border:1px solid var(--line);border-radius:16px;background:#172033;aspect-ratio:1.85}
.machine img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 44%}
.machine figcaption{position:absolute;bottom:0;inset-inline:0;display:flex;align-items:center;gap:12px;background:linear-gradient(transparent,#080b13ed);padding:25px 18px 13px;font-size:.82rem;color:#e1e7f7}
.machine span{font-weight:800;color:white}
.chat{border:1px solid #35435c;border-radius:22px;background:var(--panel);overflow:hidden;box-shadow:0 24px 64px #0005}
.chat-head{display:flex;align-items:center;gap:13px;padding:20px 23px;border-bottom:1px solid var(--line);background:#171f31}
.icon{display:grid;place-items:center;background:var(--action);width:42px;height:42px;border-radius:12px;font-weight:850;font-size:1.15rem}
.chat-head h2{margin:0;font-size:1rem}.chat-head p{margin:4px 0 0;color:var(--muted);font-size:.81rem}
.chat-body{padding:23px;min-height:340px}
.bubble{padding:16px 18px;background:#202b40;border-radius:4px 15px 15px;color:#f7f8ff;margin:0 0 17px;font-size:1rem;line-height:1.48;font-weight:650}
.detail{color:#c0c9da;line-height:1.55;margin:0 0 18px;font-size:.91rem}
.progress{margin:0 0 19px;color:var(--muted);font-size:.79rem;font-weight:650}
progress{display:block;width:100%;height:5px;margin-top:8px;accent-color:#809aff}
button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.7}
.choice,.primary{min-height:46px;border-radius:10px;padding:10px 14px;color:#fff;font-size:.9rem;font-weight:670}
.choice{display:block;width:100%;text-align:left;background:#141d30;border:1px solid #35435c;margin-bottom:8px}
.choice:hover{background:#232f4e;border-color:var(--blue)}
.primary{width:100%;border:1px solid transparent;background:var(--action)}.primary:hover{background:#2945c9}
.text-button{color:var(--blue);background:none;border:0;padding:8px 0;font-size:.84rem}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
form label{display:block;margin-bottom:12px;font-size:.86rem;color:#e2e7f4}
input:not([type=checkbox]){width:100%;margin-top:5px;background:#0d1423;border:1px solid #415071;color:white;border-radius:8px;padding:10px 12px;min-height:42px}
.contact-consent{display:flex;align-items:flex-start;gap:7px;line-height:1.4}.contact-consent input{margin-top:3px;accent-color:var(--action)}
.error{color:#ffb6ae;font-size:.87rem;margin:10px 0 0}.error:empty{display:none}
footer{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding:17px 0;color:var(--muted);font-size:.82rem}footer div{display:flex;align-items:center;gap:16px}a{color:var(--blue)}
dialog{background:var(--panel);color:white;border:1px solid var(--line);border-radius:16px;width:min(460px,calc(100% - 36px));padding:24px}dialog::backdrop{background:#060910bd}dialog h2{margin:0;font-size:1.2rem}dialog p{color:#c0c9da;line-height:1.5}.dialog-actions{display:flex;gap:10px}.dialog-actions .choice{margin:0;text-align:center}
[hidden]{display:none!important}
@media(max-width:900px){main{gap:30px}.shell{padding:0 24px}}
@media(max-width:670px){.shell{padding:0 16px}.brand{height:66px}.brand img{width:133px}.brand span{font-size:.72rem}main{grid-template-columns:1fr;padding:28px 0 28px;gap:22px}h1{font-size:clamp(2.15rem,9vw,3.65rem)}.eyebrow{margin-bottom:10px}.lede{margin:11px 0 0;font-size:.93rem}.machine{display:none}.chat-head,.chat-body{padding:16px}.chat-body{min-height:300px}}