:root{--bg:#f5f6f8;--ink:#0f1320;--mute:#4a5163;--line:#dfe2e9;--card:#fff;--accent:#2f4bff;--wa:#e6f0ff;--font:ui-sans-serif,-apple-system,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif}@media(prefers-color-scheme:dark){:root{--bg:#0c0f18;--ink:#eef0f6;--mute:#9aa2b6;--line:#232838;--card:#141927;--accent:#7c93ff;--wa:#1b2440}}*{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit}h1,h2,h3{line-height:1.1;letter-spacing:-.03em;margin:0;font-weight:650}h1{font-size:clamp(2.4rem,7vw,4.4rem)}h2{font-size:clamp(1.7rem,4vw,2.6rem);max-width:22ch}h3{font-size:1.1rem;letter-spacing:-.01em}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--card);padding:8px 12px;z-index:9}.wrap{max-width:1080px;margin:0 auto;padding:96px 24px}.lead{font-size:1.15rem;max-width:52ch}.lead,.note{color:var(--mute)}.note{font-size:.9rem}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:5;justify-content:space-between;padding:14px 24px;background:color-mix(in srgb,var(--bg) 85%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav,.nav nav{display:flex;align-items:center}.nav nav{gap:20px;font-size:.92rem}.nav nav a{text-decoration:none;color:var(--mute)}.nav nav a:hover{color:var(--ink)}@media(max-width:720px){.nav nav a:not(.btn){display:none}}.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.3rem;letter-spacing:-.04em}.btn,.logo{text-decoration:none}.btn{display:inline-block;padding:12px 20px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink)!important;font:inherit;font-weight:550;cursor:pointer;transition:transform .15s,border-color .15s}.btn:hover{border-color:var(--ink)}.btn:active{transform:scale(.98)}.btn.small{padding:7px 14px}.btn.primary{background:var(--ink);color:var(--bg)!important;border-color:var(--ink)}.btn:disabled{opacity:.6}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.hero{display:grid;grid-template-columns:1.15fr .85fr;grid-gap:56px;gap:56px;align-items:center;padding-top:72px}.hero-copy .lead{margin-top:24px}@media(max-width:860px){.hero{grid-template-columns:1fr;gap:48px}}.phone{width:100%;max-width:340px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:32px;padding:14px;box-shadow:0 30px 60px -30px rgba(15,19,32,.25)}.phone-head{display:flex;gap:10px;align-items:center;padding:6px 8px 14px;border-bottom:1px solid var(--line)}.phone-head small{color:var(--mute);font-size:.75rem}.phone-head small,.phone-head strong{display:block;line-height:1.2}.avatar{width:36px;height:36px;border-radius:50%;background:var(--ink);color:var(--bg);display:grid;place-items:center;font-weight:700}.phone-body{display:flex;flex-direction:column;gap:8px;padding:16px 4px;min-height:290px}.bubble{margin:0;padding:10px 14px;border-radius:18px;max-width:82%;font-size:.95rem;line-height:1.4;animation:pop .35s ease-out}.bubble.client{align-self:flex-end;background:var(--ink);color:var(--bg);border-bottom-right-radius:6px}.bubble.nexia{align-self:flex-start;background:var(--wa);border-bottom-left-radius:6px}.typing{display:flex;gap:4px}.typing i{width:6px;height:6px;border-radius:50%;background:var(--mute);animation:blink 1s infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes pop{0%{opacity:0;transform:translateY(6px)}}@keyframes blink{50%{opacity:.25}}.replay{display:block;margin:0 auto;background:none;border:0;color:var(--mute);font:inherit;font-size:.85rem;cursor:pointer;text-decoration:underline}.pains{list-style:none;padding:0;margin:40px 0;display:flex;flex-wrap:wrap;gap:10px}.pains li{border:1px solid var(--line);background:var(--card);padding:10px 16px;border-radius:999px;color:var(--mute)}.solution{color:var(--ink)}.steps{list-style:none;padding:0;margin:48px 0 0;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:32px;gap:32px;counter-reset:s}.steps li{border-top:2px solid var(--ink);padding-top:20px}.steps p{color:var(--mute);margin:8px 0 0}.n{display:block;color:var(--accent);font-weight:700;margin-bottom:10px}.features{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1px;gap:1px;margin-top:48px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}.features article{background:var(--card);padding:28px}.features p{color:var(--mute);margin:8px 0 0}.tag{font-style:normal;font-size:.7rem;font-weight:600;margin-left:8px;padding:2px 8px;border-radius:99px;background:var(--wa);color:var(--accent);vertical-align:middle}.demo{background:var(--ink);color:var(--bg)}.demo .lead{color:color-mix(in srgb,var(--bg) 65%,transparent);margin-top:16px}.demo-in{display:grid;grid-template-columns:1fr 1fr;grid-gap:56px;gap:56px;align-items:center}.demo .phone{color:var(--ink)}.aud{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:24px;gap:24px;margin:48px 0 24px}.aud div{border-left:2px solid var(--line);padding-left:18px}.aud p{color:var(--mute);margin:6px 0 0;font-size:.95rem}.final{text-align:center;display:flex;flex-direction:column;align-items:center;gap:32px}.final h2{max-width:26ch}.contact{display:grid;grid-template-columns:1fr 1.2fr;grid-gap:56px;gap:56px;border-top:1px solid var(--line)}.form{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.full{grid-column:1/-1}.form label{display:flex;flex-direction:column;gap:6px;font-size:.88rem;color:var(--mute)}.form input,.form textarea{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}.form input:focus,.form textarea:focus{outline:2px solid var(--accent);border-color:transparent}.form-foot{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.form-foot .note{margin:0}.foot{border-top:1px solid var(--line)}.foot-in{padding-top:40px;padding-bottom:40px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;color:var(--mute);font-size:.9rem}.foot-in p{margin:0}.foot-in nav{display:flex;gap:20px}.foot-in nav a{text-decoration:none}.legal{max-width:720px}.legal h1{font-size:2.2rem}.legal h2{font-size:1.15rem;margin:32px 0 8px;max-width:none}.legal p{color:var(--mute)}@media(max-width:860px){.aud,.contact,.demo-in,.features,.steps{grid-template-columns:1fr}.wrap{padding:64px 20px}.form{grid-template-columns:1fr}}