.promise{display:flex;align-items:center;gap:18px;margin:0 0 24px;color:var(--paper);font-size:18px;letter-spacing:-.04em}.promise strong{font-weight:700}.promise strong:first-child{color:var(--acid)}.promise .divider{height:28px;width:1px;background:#555b5b}@media(max-width:800px){.promise{margin:0 0 24px;flex-wrap:wrap;font-size:16px;gap:12px}.promise .divider{height:22px}}
.lead strong{color:var(--acid);font-weight:800}.ad-math{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 28px;color:#aeb3b0;font-size:11px}.ad-math strong{color:var(--paper);font-size:17px}.ad-math .math-arrow{color:var(--acid);font-size:20px;margin:0 2px}.proof-intro{max-width:620px;color:#626565;font-size:18px;line-height:1.6;margin:-35px 0 70px}.cases{padding:125px 10vw;background:#111516}.cases-head{display:grid;grid-template-columns:1fr 1fr;gap:8vw;align-items:end}.cases h2{font-size:clamp(36px,4.8vw,68px);letter-spacing:-.065em;line-height:1.02;margin:0}.cases-head>p{color:#a9aeaa;line-height:1.6;font-size:14px;margin:0 0 8px}.chat-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:65px}.chat-card{background:#202526;border:1px solid #353c3d;padding:24px;min-height:330px}.chat-top{display:flex;align-items:center;gap:12px;border-bottom:1px solid #394041;padding-bottom:18px}.avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#d8f36b;color:#111;font-weight:800}.avatar.tg{background:#7cc5df}.chat-top strong,.chat-top small{display:block}.chat-top strong{font-size:12px}.chat-top small{font-size:10px;color:#818988;margin-top:4px}.online{width:7px;height:7px;background:#b7dd66;border-radius:50%;margin-left:auto}.bubble{max-width:82%;padding:11px 13px;margin-top:17px;border-radius:3px;font-size:12px;line-height:1.45}.bubble.client{background:#303738;color:#e7e9e5}.bubble.owner{background:#d8f36b;color:#182018;margin-left:auto}.chat-result{color:#d8f36b;font-size:10px;text-transform:uppercase;letter-spacing:.12em;margin-top:24px}@media(max-width:800px){.ad-math{line-height:1.7}.proof-intro{margin:-20px 0 48px;font-size:16px}.cases{padding:85px 6vw}.cases-head,.chat-grid{grid-template-columns:1fr;gap:35px}.chat-grid{margin-top:45px}.chat-card{padding:18px}}