:root{
  --bg:#ffffff;
  --muted:#f5f7fb;
  --text:#0b1220;
  --sub:#445066;
  --line:#e5eaf2;
  --blue:#2563eb;
  --blue2:#1d4ed8;
  --shadow:0 10px 30px rgba(11,18,32,.08);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 600px at 10% 0%, #eef3ff 0%, transparent 60%) , var(--bg);
  line-height:1.45;
}

a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 18px}

.topbar{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(1.5) blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{display:flex; align-items:center; gap:16px; padding:14px 18px}
.brand{display:flex; align-items:center; gap:10px; font-weight:800}
.brand__dot{width:12px;height:12px;border-radius:50%;background:var(--blue); box-shadow:0 0 0 6px rgba(37,99,235,.12)}
.brand__name{letter-spacing:-.2px}
.nav{display:flex; gap:14px; margin-left:10px; color:var(--sub); font-weight:600}
.nav a{padding:8px 10px; border-radius:10px}
.nav a:hover{background:var(--muted); color:var(--text)}
.topbar__actions{margin-left:auto; display:flex; align-items:center; gap:10px}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px; border-radius:12px;
  font-weight:700; border:1px solid var(--line);
  background:#fff; cursor:pointer;
}
.btn--primary{background:var(--blue); border-color:var(--blue); color:#fff}
.btn--primary:hover{background:var(--blue2); border-color:var(--blue2)}
.btn--ghost:hover{background:var(--muted)}
.btn--lg{padding:12px 16px; border-radius:14px}

.burger{
  display:none;
  width:44px;height:42px;border-radius:12px;
  border:1px solid var(--line); background:#fff;
  align-items:center; justify-content:center; gap:5px; flex-direction:column;
}
.burger span{width:18px;height:2px;background:var(--text);border-radius:2px}

.mobile-nav{border-top:1px solid rgba(15,23,42,.08);padding:10px 16px;background:rgba(255,255,255,.96)}
.mobile-nav[hidden]{display:none}
.mobile-nav:not([hidden]){display:grid;gap:8px}
.mobile-nav a{padding:10px 12px; border-radius:12px; background:var(--muted); font-weight:700}
.mobile-nav a.btn{background:var(--blue); color:#fff; border-color:var(--blue)}

.hero{padding:34px 0 12px}
.hero__grid{display:grid; grid-template-columns: 1.1fr .9fr; gap:24px; align-items:stretch}
.hero__content{
  background:rgba(255,255,255,.75);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}
.pill{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(245,247,251,.8);
  color:var(--sub);
  font-weight:700;
  font-size:13px;
}
h1{margin:12px 0 10px; font-size:44px; line-height:1.02; letter-spacing:-1.2px}
.lead{margin:0 0 14px; color:var(--sub); font-size:16px}

.chips{display:grid; grid-template-columns:1fr; gap:10px; margin:16px 0 16px}
.chip{
  display:flex; flex-direction:column; gap:2px;
  padding:12px 14px;
  border-radius:16px;
  border:1px solid var(--line);
  background:#fff;
}
.chip b{font-size:14px}
.chip span{font-size:13px; color:var(--sub)}

.hero__cta{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}
.trust{display:flex; gap:8px; flex-wrap:wrap; margin-top:14px}
.trust__badge{
  font-size:12px; color:var(--sub); font-weight:700;
  padding:7px 10px; border:1px dashed #cdd7ea; border-radius:999px; background:#fff;
}

.hero__media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#fff;
}
.hero__media img{width:100%; height:100%; object-fit:cover; display:block}

.section{padding:44px 0}
.section--muted{background:var(--muted); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.section__head{display:flex; flex-direction:column; gap:8px; margin-bottom:18px}
.section__head h2{margin:0; font-size:28px; letter-spacing:-.6px}
.section__head p{margin:0; color:var(--sub)}

.cards{display:grid; grid-template-columns:repeat(3, 1fr); gap:14px}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 8px 18px rgba(11,18,32,.05);
}
.card h3{margin:0 0 6px}
.card p{margin:0; color:var(--sub)}

.pricing{display:grid; grid-template-columns:repeat(3, 1fr); gap:14px}
.price{
  background:#fff; border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  display:flex; flex-direction:column; gap:10px;
  box-shadow:0 8px 18px rgba(11,18,32,.05);
}
.price--featured{border-color:rgba(37,99,235,.35); box-shadow:0 14px 30px rgba(37,99,235,.16)}
.price__title{font-weight:800}
.price__value{font-size:26px; font-weight:900; letter-spacing:-.5px}
.price ul{margin:0; padding-left:18px; color:var(--sub)}
.price li{margin:6px 0}
.note{
  margin-top:14px;
  padding:14px 16px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--sub);
}

.steps{
  list-style:none;
  padding:0; margin:0;
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.steps li{
  background:#fff; border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
}
.steps b{display:block; margin-bottom:6px; font-size:15px}
.steps span{color:var(--sub)}

.cta{
  margin-top:18px;
  background:linear-gradient(90deg, rgba(37,99,235,.10), rgba(37,99,235,.03));
  border:1px solid rgba(37,99,235,.18);
  border-radius:var(--radius);
  padding:18px;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.cta h3{margin:0 0 4px}
.cta p{margin:0; color:var(--sub)}

.faq{display:grid; gap:10px}
details{
  background:#fff; border:1px solid var(--line);
  border-radius:16px; padding:12px 14px;
}
summary{cursor:pointer; font-weight:800}
.faq__body{margin-top:10px; color:var(--sub)}

.contact{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.contact__card{
  background:#fff; border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 8px 18px rgba(11,18,32,.05);
}
.contact__card h3{margin:0 0 6px}
.contact__card p{margin:0 0 12px; color:var(--sub)}
.requisites{margin:0; padding-left:18px; color:var(--sub)}
.requisites li{margin:6px 0}

.footer{
  border-top:1px solid var(--line);
  background:#fff;
}
.footer__grid{display:flex; align-items:flex-start; justify-content:space-between; gap:14px; padding:18px 18px 12px}
.footer__brand{font-weight:900}
.footer__small{color:var(--sub); font-size:13px; margin-top:4px}
.footer__links{display:flex; gap:14px; color:var(--sub); font-weight:700}
.footer__links a:hover{color:var(--text)}
.footer__bottom{padding:0 18px 18px; color:var(--sub); font-size:13px}

/* Responsive */
@media (max-width: 980px){
  h1{font-size:38px}
  .hero__grid{grid-template-columns:1fr}
  .cards,.pricing,.steps{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .nav{display:none}
  .burger{display:flex}
  .topbar__actions .btn--ghost{display:none}
}