:root {
  --bg: #0b1020;
  --bg-soft: #11182e;
  --panel: #141c33;
  --panel-2: #18223d;
  --line: #243154;
  --text: #e7ecf6;
  --muted: #9aa6c4;
  --accent: #5b8cff;
  --accent-2: #7c5cff;
  --ok: #2fd07a;
  --warn: #f5b53d;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* Nav */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,16,32,.82);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 22px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .2px; color: var(--text); }
.brand img { width: 26px; height: 26px; }
.nav-links { display: flex; gap: 20px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.btn {
  display: inline-block; padding: 9px 16px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff !important; font-weight: 600; font-size: 14px; border: 0;
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text) !important; }

/* Hero */
.hero { padding: 76px 0 56px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% 30% auto -10%; height: 540px;
  background: radial-gradient(closest-side, rgba(91,140,255,.22), transparent 70%);
  filter: blur(8px); z-index: 0;
}
.hero .wrap { position: relative; z-index: 1; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600;
  color: var(--accent); background: rgba(91,140,255,.12); border: 1px solid rgba(91,140,255,.28);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 20px;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(47,208,122,.18); }
h1 { font-size: 46px; line-height: 1.1; margin: 0 0 16px; letter-spacing: -.5px; }
h1 .grad { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 0 28px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sections */
section { padding: 54px 0; border-top: 1px solid var(--line); }
.eyebrow { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: 1.4px; text-transform: uppercase; margin: 0 0 10px; }
h2 { font-size: 30px; margin: 0 0 14px; letter-spacing: -.3px; }
.section-lede { color: var(--muted); max-width: 680px; font-size: 16.5px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line); border-radius: 16px; padding: 22px;
}
.card .ico { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(91,140,255,.12); border: 1px solid rgba(91,140,255,.28); margin-bottom: 14px; font-size: 19px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Metrics */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 30px; }
.metric { text-align: center; padding: 22px 12px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.metric .n { font-size: 30px; font-weight: 800; background: linear-gradient(135deg,var(--accent),var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metric .l { color: var(--muted); font-size: 13.5px; margin-top: 4px; }

/* Code */
pre, code { font-family: var(--mono); }
.code {
  background: #0a0f1f; border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 18px; overflow-x: auto; font-size: 13.5px; color: #cdd7f0; margin: 18px 0 0;
}
.code .c { color: #6b7aa3; }
.code .k { color: #7c9cff; }
.code .s { color: #6ed6a6; }
.code .t { color: #f0b35b; }
.inline { background: #0a0f1f; border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: 13px; color: #cdd7f0; }

/* Docs */
.doc-layout { display: grid; grid-template-columns: 220px 1fr; gap: 36px; align-items: start; }
.toc { position: sticky; top: 84px; border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: var(--panel); }
.toc a { display: block; color: var(--muted); font-size: 14px; padding: 5px 0; }
.toc a:hover { color: var(--text); text-decoration: none; }
.endpoint { display: flex; align-items: center; gap: 10px; margin: 8px 0 14px; }
.method { font-family: var(--mono); font-weight: 700; font-size: 12.5px; padding: 4px 9px; border-radius: 7px; background: rgba(47,208,122,.14); color: var(--ok); border: 1px solid rgba(47,208,122,.3); }
.path { font-family: var(--mono); font-size: 15px; color: var(--text); }
table.params { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 14px; }
table.params th, table.params td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.params th { color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .6px; }
table.params td code { color: #f0b35b; }

/* Status */
.status-banner { display: flex; align-items: center; gap: 14px; padding: 20px 22px; border-radius: 14px; border: 1px solid rgba(47,208,122,.35); background: rgba(47,208,122,.08); margin-top: 24px; }
.status-banner .big { font-size: 20px; font-weight: 700; }
.status-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 5px rgba(47,208,122,.16); }
.svc-row { display: flex; align-items: center; justify-content: space-between; padding: 16px 4px; border-bottom: 1px solid var(--line); }
.svc-row:last-child { border-bottom: 0; }
.svc-name { font-weight: 600; }
.svc-name small { display: block; color: var(--muted); font-weight: 400; font-size: 13px; }
.badge-ok { color: var(--ok); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 7px; }
.badge-ok .status-dot { width: 9px; height: 9px; box-shadow: 0 0 0 4px rgba(47,208,122,.16); }
.uptime-bars { display: flex; gap: 3px; margin-top: 14px; }
.uptime-bars i { flex: 1; height: 30px; border-radius: 3px; background: var(--ok); opacity: .85; }
.uptime-bars i.bad { background: var(--warn); }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: 14px; margin-top: 20px; }
.foot-inner { display: flex; gap: 30px; flex-wrap: wrap; justify-content: space-between; }
.foot-col h4 { color: var(--text); font-size: 14px; margin: 0 0 10px; }
.foot-col a { display: block; color: var(--muted); padding: 3px 0; font-size: 14px; }
.foot-bottom { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

@media (max-width: 860px) {
  .grid, .metrics { grid-template-columns: 1fr 1fr; }
  .doc-layout { grid-template-columns: 1fr; }
  .toc { position: static; }
  h1 { font-size: 36px; }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 560px) {
  .grid, .metrics { grid-template-columns: 1fr; }
}

/* ---------- i18n (EN/RU) ---------- */
html[data-lang="en"] [data-lang="ru"] { display: none !important; }
html[data-lang="ru"] [data-lang="en"] { display: none !important; }
.lang-toggle {
  font: inherit; font-size: 13px; font-weight: 700; letter-spacing: .4px;
  color: var(--text); background: transparent; border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 11px; cursor: pointer;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- generic content ---------- */
.lead-narrow { max-width: 720px; }
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 30px; counter-reset: step; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; position: relative; }
.step .num { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-weight: 700;
  background: linear-gradient(135deg,var(--accent),var(--accent-2)); color: #fff; margin-bottom: 12px; font-size: 14px; }
.step h3 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

.usecases { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-top: 28px; }
.usecase { display: flex; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.usecase .uc-ico { font-size: 22px; }
.usecase h3 { margin: 0 0 4px; font-size: 16px; }
.usecase p { margin: 0; color: var(--muted); font-size: 14px; }

.quotes { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 28px; }
.quote { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.quote p { margin: 0 0 14px; font-size: 14.5px; }
.quote .who { display: flex; align-items: center; gap: 10px; }
.quote .av { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg,var(--accent),var(--accent-2)); }
.quote .who b { font-size: 14px; display: block; } .quote .who small { color: var(--muted); }

.faq { margin-top: 26px; }
.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px; margin-bottom: 12px; background: var(--panel); }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--muted); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--muted); margin: 0 0 14px; font-size: 14.5px; }

/* ---------- blog ---------- */
.post-list { display: grid; gap: 16px; margin-top: 28px; }
.post-card { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; color: inherit; }
.post-card:hover { border-color: var(--accent); text-decoration: none; }
.post-card .meta { color: var(--muted); font-size: 13px; margin-bottom: 8px; display: flex; gap: 10px; }
.post-card .tag { color: var(--accent); font-weight: 600; }
.post-card h3 { margin: 0 0 8px; font-size: 19px; }
.post-card p { margin: 0; color: var(--muted); font-size: 14.5px; }
article.post { max-width: 760px; }
article.post h2 { margin-top: 30px; }
article.post p, article.post li { color: #c7d0e6; font-size: 16px; }
article.post .meta { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
article.post pre.code { font-size: 13px; }

/* ---------- pricing ---------- */
.plans { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 30px; }
.plan { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px; display: flex; flex-direction: column; }
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.plan h3 { margin: 0 0 6px; font-size: 18px; }
.plan .price { font-size: 34px; font-weight: 800; margin: 8px 0; }
.plan .price small { font-size: 14px; color: var(--muted); font-weight: 500; }
.plan ul { list-style: none; padding: 0; margin: 16px 0 22px; }
.plan li { padding: 7px 0; color: var(--muted); font-size: 14.5px; border-bottom: 1px solid var(--line); }
.plan li::before { content: "✓"; color: var(--ok); font-weight: 700; margin-right: 8px; }
.plan .btn { margin-top: auto; text-align: center; }

@media (max-width: 860px) {
  .steps, .quotes, .plans { grid-template-columns: 1fr; }
  .usecases { grid-template-columns: 1fr; }
}

/* ---------- access form ---------- */
.form-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 28px; max-width: 640px; margin-top: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--text); margin-bottom: 7px; }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 14.5px; color: var(--text);
  background: #0a0f1f; border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px; outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91,140,255,.15); }
.field textarea { resize: vertical; min-height: 96px; }
.field .hint { color: var(--muted); font-size: 12.5px; margin-top: 6px; }
.form-actions { display: flex; align-items: center; gap: 14px; margin-top: 6px; }
.form-actions .btn { border: 0; cursor: pointer; }
.form-note { color: var(--muted); font-size: 13px; }
.form-error { display: none; margin: 0 0 16px; padding: 12px 14px; border-radius: 10px; background: rgba(245,181,61,.1); border: 1px solid rgba(245,181,61,.4); color: var(--warn); font-size: 14px; }
.form-error.show { display: block; }
.success-card { display: none; background: var(--panel); border: 1px solid rgba(47,208,122,.4); border-radius: 18px; padding: 30px; max-width: 640px; margin-top: 28px; }
.success-card.show { display: block; }
.success-card .check { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: rgba(47,208,122,.14); color: var(--ok); font-size: 24px; border: 1px solid rgba(47,208,122,.4); margin-bottom: 14px; }
.success-card .ticket { font-family: var(--mono); font-size: 16px; color: var(--accent); background: #0a0f1f; border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; display: inline-block; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- sandbox banner ---------- */
.sandbox-bar { background: linear-gradient(90deg, rgba(124,92,255,.16), rgba(91,140,255,.14)); border-bottom: 1px solid var(--line); color: var(--text); font-size: 13px; }
.sandbox-bar .wrap { display: flex; align-items: center; gap: 12px; padding: 9px 22px; }
.sandbox-bar .sb-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 0 4px rgba(245,181,61,.18); flex: none; }
.sandbox-bar a { font-weight: 600; white-space: nowrap; }
.sandbox-bar .sb-close { margin-left: auto; background: transparent; border: 0; color: var(--muted); cursor: pointer; font-size: 17px; line-height: 1; padding: 2px 6px; }
.sandbox-bar .sb-close:hover { color: var(--text); }
@media (max-width: 640px) { .sandbox-bar a { display: none; } }

/* ---------- callout + comparison ---------- */
.callout { display: flex; gap: 12px; padding: 16px 18px; border-radius: 12px; border: 1px solid rgba(245,181,61,.35); background: rgba(245,181,61,.08); margin-top: 22px; font-size: 14.5px; color: #d8c39a; }
.callout b { color: var(--text); }
table.cmp { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 14.5px; }
table.cmp th, table.cmp td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
table.cmp thead th { color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: .6px; }
table.cmp td:first-child, table.cmp th:first-child { color: var(--text); font-weight: 600; }
table.cmp .yes { color: var(--ok); font-weight: 600; }
table.cmp .no { color: var(--muted); }
table.cmp tbody tr:hover { background: rgba(255,255,255,.02); }

/* ---------- plan includes ---------- */
.includes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 26px; margin-top: 20px; }
.includes div { color: var(--muted); font-size: 14.5px; }
.includes div::before { content: "✓"; color: var(--ok); font-weight: 700; margin-right: 8px; }
@media (max-width: 640px) { .includes { grid-template-columns: 1fr; } }