:root{
  --bg:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --card:#ffffff;
  --line:#e5e7eb;
  --p1:#7D4AC1;      /* из твоей картинки */
  --p2:#A26BFF;
  --p3:#5B2AA8;
  --shadow: 0 20px 60px rgba(17,24,39,.10);
  --radius: 20px;
  --container: 1100px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
}

a{color:inherit}
.container{max-width:var(--container); margin:0 auto; padding:0 20px}
.topbar{
  position:sticky; top:0; z-index:20;
  background:rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex; align-items:center; justify-content:space-between; height:64px}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none}
.brand-title{font-weight:800; letter-spacing:.2px}
.nav{display:flex; gap:14px; align-items:center}
.nav a{
  text-decoration:none;
  color:var(--muted);
  font-weight:600;
  font-size:14px;
  padding:8px 10px;
  border-radius:12px;
}
.nav a:hover{background:#f3f4f6; color:var(--text)}

.hero{
  position:relative;
  padding:56px 0 36px;
  overflow:hidden;
}
.hero::before, .hero::after{
  content:"";
  position:absolute;
  border-radius:999px;
  background: radial-gradient(circle at 30% 30%, var(--p2), var(--p1));
  opacity:.95;
}
.hero::before{width:420px; height:420px; left:-220px; bottom:-220px}
.hero::after{width:380px; height:380px; right:-200px; top:-210px}

.bubble{
  position:absolute;
  border-radius:999px;
  background: radial-gradient(circle at 30% 30%, var(--p2), var(--p1));
  opacity:.95;
}
.b1{width:18px;height:18px; right:88px; top:74px}
.b2{width:28px;height:28px; right:70px; top:98px}

.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:24px;
  align-items:center;
}
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow: var(--shadow);
}
.hero-card{padding:28px}

.logo{
  width:92px; height:92px;
  border-radius:24px;
  background: radial-gradient(circle at 30% 30%, var(--p2), var(--p1));
  display:grid; place-items:center;
  margin-bottom:14px;
}
.h1{font-size:44px; line-height:1.08; margin:0 0 10px; letter-spacing:-.6px}
.subtitle{font-size:18px; color:var(--muted); margin:0 0 18px}
.cta{display:flex; gap:12px; flex-wrap:wrap; margin-top:14px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  font-weight:800;
  text-decoration:none;
  background:#fff;
}
.btn-primary{
  border-color:transparent;
  background: linear-gradient(135deg, var(--p1), var(--p2));
  color:#fff;
}
.btn-muted{
  color:var(--muted);
  background:#fff;
}
.btn-disabled{
  opacity:.55;
  pointer-events:none;
}

.section{padding:28px 0}
.section h2{margin:0 0 12px; font-size:22px; letter-spacing:-.2px}
.grid3{
  display:grid; gap:14px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px){ .grid3{grid-template-columns:1fr} }

.feature{padding:16px; border-radius:18px; border:1px solid var(--line); background:#fff}
.feature b{display:block; margin-bottom:6px}
.feature p{margin:0; color:var(--muted)}

.footer{
  border-top:1px solid var(--line);
  padding:22px 0;
  color:var(--muted);
  font-size:14px;
}
.footer a{color:var(--muted); text-decoration:none}
.footer a:hover{text-decoration:underline}

.prose{
  max-width: 820px;
  padding: 22px;
}
.prose h1{margin:0 0 12px; font-size:30px; letter-spacing:-.2px}
.prose h2{margin:22px 0 10px; font-size:20px}
.prose p{margin:10px 0}
.prose ul{margin:10px 0 10px 18px}
.prose li{margin:6px 0}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 10px;
  background:#fff;
}

.brand-logo{
  width:28px;height:28px;
  border-radius:10px;
  display:block;
}
.hero-logo{
  width:92px;height:92px;
  border-radius:24px;
  display:block;
}