:root{
  --page-bg:#eaf2ff;
  --sidebar:#0d57ad;
  --sidebar-dark:#0b4d9a;
  --card:#ffffff;
  --card-soft:#f3f7ff;
  --line:#d7e3f7;
  --text:#1f2530;
  --muted:#5e6b80;
  --accent:#1473ea;
  --accent-strong:#0f67d8;
  --success:#4aa56b;
  --danger:#d85c5c;
  --warning:#d8a532;
  --shadow:0 8px 24px rgba(19, 73, 150, 0.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--page-bg);
  color:var(--text);
  display:grid;
  grid-template-columns:280px 1fr;
  min-height:100vh;
}
.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  padding:22px 18px;
  border-right:1px solid rgba(255,255,255,.12);
  background:linear-gradient(180deg,var(--sidebar) 0%, var(--sidebar-dark) 100%);
}
.brand{
  display:flex;
  gap:14px;
  align-items:center;
  margin-bottom:28px;
  padding:10px 8px 18px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.logo{
  width:70px;
  height:70px;
  flex-shrink:0;
}
.highlight {
  background: rgba(255, 221, 87, 0.5);
  padding: 2px 6px;
  border-radius: 4px;
}
nav a {
  display: block;
  padding: 6px 10px;
  border-radius: 6px;
  text-decoration: none;
}
nav ul {
  list-style-type: none;
}
nav a:hover {
  background: rgba(255,255,255,0.08);
}
.brand h1{font-size:20px;margin:0;color:#ffffff}
.brand p{margin:4px 0 0;color:rgba(255,255,255,.72);font-size:13px}
.sidebar nav{display:flex;flex-direction:column;gap:6px}
.sidebar a{
  color:rgba(255,255,255,.82);
  text-decoration:none;
  padding:11px 12px;
  border-radius:12px;
  transition:.18s ease;
}
.sidebar a:hover{
  background:rgba(255,255,255,.12);
  color:#ffffff;
}
.content{
  padding:40px clamp(20px,5vw,64px) 80px;
}
.hero{padding-top:8px}
.eyebrow{
  display:inline-block;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:var(--accent);
  margin-bottom:14px;
  font-weight:700;
}
h2{
  font-size:34px;
  margin:0 0 14px;
  color:#1d2430;
}
h3{
  font-size:18px;
  color:#1e2633;
}
.phone-example {
  display: flex;
  align-items: center;
  gap: 40px;
}
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link,
.nav-group > summary {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  color: rgba(255,255,255,.88);
  text-decoration: none;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}

.nav-link:hover,
.nav-group > summary:hover {
  background: rgba(255,255,255,.10);
  color: #fff;
}

.nav-group {
  margin: 0;
}

.nav-group > summary {
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.nav-group > summary::after {
  content: "▾";
  position: absolute;
  right: 12px;
  font-size: 12px;
  opacity: .8;
  transition: transform .2s ease;
}
.nav-group:not([open]) > summary::after {
  transform: rotate(-90deg);
}
.nav-submenu {
  margin-top: 4px;
  margin-left: 12px;
  padding-left: 12px;
  border-left: 2px solid rgba(255,255,255,.12);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sub-link {
  font-size: 14px;
  color: rgba(255,255,255,.78);
  padding: 8px 10px;
}
.numbers {
  position: relative;
  padding-right: 20px;
}
.beta-badge {
  margin-left: 1px;
  font-size: 10px;
  font-weight: 700;
  color: #ead215;
  letter-spacing: 0.5px;
  vertical-align: top;
}
.numbers::after {
  content: "";
  position: absolute;
  right: 0;
  top: 5px;
  bottom: 5px;
  width: 12px;
  border-right: 2px solid #3b82f6;
  border-top: 2px solid #3b82f6;
  border-bottom: 2px solid #3b82f6;
  border-radius: 0 12px 12px 0;
}

.numbers div {
  font-size: 20px;
  line-height: 1.6;
}

.result-text {
  font-style: italic;
  color: #555;
}
p, li{line-height:1.65;color:#2f3947}
.lead{font-size:18px;max-width:920px;color:#324053}
section{
  margin-top:48px;
  padding:24px 28px;
  background:rgba(255,255,255,.55);
  border:1px solid #dbe7fa;
  border-radius:20px;
  box-shadow:var(--shadow);
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(320px, 1fr));
  max-width:900px;       /* ограничиваем ширину */
  margin:20px auto 0;    /* 🔥 центрируем блок */
  gap:20px;
}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px 18px 16px;
  box-shadow:var(--shadow);
}
.note{
  margin-top:16px;
  padding:14px 16px;
  background:#eef5ff;
  border:1px solid #cfe0fb;
  border-radius:14px;
  color:#24436c;
}
.inline-icon{
  width:20px;
  height:20px;
  vertical-align:middle;
}
.footnote{
  margin-top:12px;
  padding-top:10px;
  border-top:1px solid #e5e7eb;
  font-size:13px;
  color:#6b7280;
}

.badge{
  display:inline-block;
  margin-left:10px;
  font-size:12px;
  font-weight:500;
  color:#1d4ed8;

  background:#eaf2ff;
  padding:4px 8px;
  border-radius:8px;

  vertical-align:middle;
}
.note.warning{
  background:#fff7e7;
  border-color:#ecd08c;
  color:#6e5619;
}
.steps{display:grid;gap:12px;margin-top:18px}
.step{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 16px;
  box-shadow:var(--shadow);
}
.step span{
  width:28px;height:28px;border-radius:999px;
  display:grid;place-items:center;
  background:var(--accent);
  color:#ffffff;
  font-weight:700;
  flex:0 0 auto;
}
.step p{margin:.25rem 0 0;color:var(--muted)}
.table-wrap{
  overflow:auto;
  border:1px solid var(--line);
  border-radius:16px;
  margin-top:18px;
  background:var(--card);
  box-shadow:var(--shadow);
}
table{
  width:100%;
  border-collapse:collapse;
  min-width:640px;
}
th,td{
  padding:14px 16px;
  border-bottom:1px solid #e6eefb;
  vertical-align:top;
}
th{
  text-align:left;
  color:#21406f;
  background:#f5f9ff;
  font-weight:700;
}
tr:last-child td{border-bottom:none}
code{
  background:#edf4ff;
  color:#124b9a;
  padding:2px 6px;
  border-radius:6px;
}
.flow{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin:18px 0 6px;
}
.flow.secondary{margin-top:10px}
.flow-box{
  min-width:180px;
  text-align:center;
  padding:18px 16px;
  border-radius:16px;
  background:#ffffff;
  border:1px solid var(--line);
  font-weight:700;
  box-shadow:var(--shadow);
}
.flow-box.success{border-color:#bfe1cb;background:#f5fcf7}
.flow-box.danger{border-color:#f1c7c7;background:#fff6f6}
.flow-box.warningbox{border-color:#ecd08c;background:#fffaf0}
.flow-arrow{font-size:28px;color:#7b8ea8}
.faq details{
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 16px;
  margin-bottom:12px;
  box-shadow:var(--shadow);
}
.faq summary{
  cursor:pointer;
  font-weight:700;
  color:#233149;
}
strong{color:#18212d}
a{color:var(--accent-strong)}
button, .button{
  background:var(--accent);
  color:#fff;
  border:none;
  border-radius:12px;
  padding:10px 16px;
}
@media (max-width:980px){
  body{grid-template-columns:1fr}
  .sidebar{
    position:relative;
    height:auto;
    border-right:none;
    border-bottom:1px solid rgba(255,255,255,.12);
  }
  .card-grid,.card-grid.two{grid-template-columns:1fr}
}