:root{
  --bg:#ffffff;
  --soft:#f6f7fb;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --accent:#ef4444;
  --accent2:#2563eb;
  --shadow: 0 18px 50px rgba(17,24,39,.10);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial; color:var(--text); background:var(--bg);}
a{color:inherit;text-decoration:none}
.container{max-width:1160px;margin:0 auto;padding:0 18px}

.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter: blur(12px);
  border-bottom:1px solid var(--border);
}
.topbar__inner{display:flex;align-items:center;gap:18px; padding:12px 0;}
.brand{display:flex;align-items:center;gap:12px;min-width:280px}
.brand__logo{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background: linear-gradient(135deg, var(--accent), #ff7a7a);
  color:#fff; box-shadow: var(--shadow);
}
.brand__name{font-weight:800;letter-spacing:-.02em}
.brand__tag{font-size:12px;color:var(--muted)}
.nav{display:flex;gap:14px; flex:1; justify-content:center}
.nav a{font-size:14px;color:#374151;padding:8px 10px;border-radius:12px}
.nav a:hover{background:var(--soft)}
.topbar__cta{display:flex;gap:10px}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:14px;
  border:1px solid transparent;
  background:var(--accent); color:#fff;
  font-weight:700; cursor:pointer;
  box-shadow: 0 10px 26px rgba(239,68,68,.25);
}
.btn:hover{filter:brightness(.98)}
.btn--ghost{
  background:#fff;color:var(--text);
  border:1px solid var(--border);
  box-shadow:none;
}
.btn--big{padding:14px 16px;border-radius:16px}

.hero{
  padding:54px 0 26px;
  background:
    radial-gradient(900px 340px at 15% 10%, rgba(239,68,68,.13), transparent 55%),
    radial-gradient(900px 340px at 90% 5%, rgba(37,99,235,.12), transparent 60%),
    linear-gradient(#fff, #fff);
}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr; gap:26px; align-items:start}
.badge{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(239,68,68,.08);
  color:#991b1b;
  border:1px solid rgba(239,68,68,.18);
  padding:8px 12px;border-radius:999px;
  font-weight:700;font-size:13px;
}
h1{font-size:46px; line-height:1.05; margin:14px 0 10px; letter-spacing:-.03em}
.accent{color:var(--accent)}
.lead{font-size:16px;color:#374151;line-height:1.6;max-width:680px}

.hero__bullets{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 12px;border-radius:999px;
  background:var(--soft); border:1px solid var(--border);
  color:#1f2937; font-weight:700; font-size:13px;
}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.hero__proof{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.proof{
  flex:1; min-width:160px;
  padding:14px 14px;border:1px solid var(--border);
  border-radius:var(--radius); background:#fff; box-shadow:0 10px 24px rgba(17,24,39,.06);
}
.proof__num{font-size:22px;font-weight:900}
.proof__text{color:var(--muted);font-size:13px;margin-top:4px}

.section{padding:54px 0}
.section--soft{background:var(--soft)}
h2{font-size:32px; margin:0 0 10px; letter-spacing:-.02em}
.sub{color:var(--muted);margin:0 0 18px; max-width:760px}

.card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius); padding:18px;
  box-shadow:0 14px 34px rgba(17,24,39,.07);
}
.card--glass{
  background:rgba(255,255,255,.78);
  backdrop-filter: blur(14px);
}
.card__title{font-weight:900;display:flex;gap:10px;align-items:center;margin-bottom:12px}

.chat{display:flex;flex-direction:column;gap:10px}
.msg{
  padding:12px 12px;border-radius:14px;
  border:1px solid var(--border);
  max-width:92%;
}
.msg--in{background:#fff}
.msg--out{background:rgba(37,99,235,.06); border-color:rgba(37,99,235,.18); margin-left:auto}
.muted{color:var(--muted)}
.mini{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.mini__item{font-size:13px;color:#374151;background:var(--soft);border:1px solid var(--border);padding:8px 10px;border-radius:999px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feature{
  padding:18px;border:1px solid var(--border);border-radius:var(--radius);
  background:#fff; box-shadow:0 12px 28px rgba(17,24,39,.06);
}
.feature i{font-size:22px;color:var(--accent)}
.feature h3{margin:10px 0 6px}
.feature p{margin:0;color:var(--muted);line-height:1.6}

.roi{display:grid;grid-template-columns:1fr .9fr;gap:14px;align-items:start}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:flex;flex-direction:column; gap:8px; font-weight:800; font-size:13px; color:#1f2937; margin-bottom:12px}
input,textarea,select{
  padding:12px 12px;border-radius:14px;border:1px solid var(--border);
  outline:none; font-size:14px;
}
input:focus,textarea:focus,select:focus{border-color:rgba(239,68,68,.5); box-shadow:0 0 0 4px rgba(239,68,68,.10)}
.hint{margin-top:12px;color:var(--muted);display:flex;gap:10px;align-items:flex-start; font-size:13px}
.kpi{padding:14px;border:1px solid var(--border);border-radius:16px;background:#fff;margin-bottom:10px}
.kpi__label{color:var(--muted);font-weight:800;font-size:12px}
.kpi__value{font-size:22px;font-weight:950;margin-top:6px}
.divider{height:1px;background:var(--border);margin:14px 0}

.pricing{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.price__top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.price__name{font-weight:950;font-size:16px}
.price__tag{font-size:12px;color:var(--muted);font-weight:900}
.price__value{font-size:34px;font-weight:1000;margin:14px 0}
.list{margin:0;padding-left:18px;color:#374151;line-height:1.7}
.small{font-size:13px;color:#374151}
.notice{margin-top:12px;padding:12px;border-radius:14px;border:1px solid var(--border);background:#fff}
.notice.ok{border-color:rgba(16,185,129,.35);background:rgba(16,185,129,.06)}
.notice.err{border-color:rgba(239,68,68,.35);background:rgba(239,68,68,.06)}
.form__actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}

.faq{display:grid;gap:10px}
.faq__item{border:1px solid var(--border);border-radius:16px;padding:12px 14px;background:#fff}
.faq__item summary{cursor:pointer;font-weight:950}
.faq__item p{margin:10px 0 0;color:var(--muted);line-height:1.7}

.contacts{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.contact{display:inline-flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--border);border-radius:999px;background:#fff}

.footer{border-top:1px solid var(--border); padding:18px 0; background:#fff}
.footer__inner{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.footer__links{display:flex;gap:12px;color:var(--muted)}

@media (max-width: 980px){
  .hero__grid{grid-template-columns:1fr}
  h1{font-size:38px}
  .grid3{grid-template-columns:1fr}
  .roi{grid-template-columns:1fr}
  .pricing{grid-template-columns:1fr}
  .nav{display:none}
}