:root {
  --bg: #0e0d13;
  --bg-2: #14121b;
  --card: #1a1723;
  --card-2: #221e2d;
  --line: #2d2839;
  --text: #f1eff6;
  --muted: #a29db0;
  --dim: #716b80;
  --accent: #b39dff;
  --accent-2: #7c3aed;
  --accent-ink: #ffffff;
  --ok: #86efac;
  --radius: 14px;
  --font-head: "Unbounded", "Onest", system-ui, sans-serif;
  --font-body: "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { display: block; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 600; line-height: 1.15; margin: 0; letter-spacing: -0.01em; hyphens: auto; overflow-wrap: break-word; }
p { margin: 0; }

.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }
.accent { color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 22px; border-radius: 10px;
  font: 600 15px/1 var(--font-body); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .15s, border-color .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, #8b5cf6, #6d28d9); color: var(--accent-ink); box-shadow: 0 8px 24px -10px rgba(139, 92, 246, .7); }
.btn-primary:hover { background: linear-gradient(135deg, #9d74fa, #7c3aed); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14, 13, 19, .82); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 700 18px/1 var(--font-head); }
.logo-mark { width: 30px; height: 30px; flex: none; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { padding: 8px 12px; border-radius: 8px; text-decoration: none; color: var(--muted); font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--card); }
.lang { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 9px; font: 500 12px/1 var(--font-mono); }
.lang a, .lang span { padding: 6px 8px; border-radius: 6px; text-decoration: none; color: var(--muted); }
.lang a:hover { color: var(--text); }
.lang span { background: var(--card-2); color: var(--text); }
.burger { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--line); background: transparent; color: var(--text); cursor: pointer; }
.burger svg { margin: auto; }

@media (max-width: 860px) {
  .nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0; padding: 8px 20px 16px;
    background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 8px; font-size: 16px; }
  .burger { display: block; }
  .header .btn { display: none; }
  .lang { margin-left: auto; }
  .burger { margin-left: 0; }
}
@media (max-width: 400px) {
  .header-inner { gap: 10px; }
  .header .logo { font-size: 15px; gap: 8px; }
  .header .logo-mark { width: 26px; height: 26px; }
  .lang a, .lang span { padding: 6px 6px; }
}

/* Sections */
section { padding: 72px 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.section-head h2 { font-size: clamp(24px, 3.2vw, 34px); }
.tag { font: 500 13px/1 var(--font-mono); color: var(--accent); }

/* Hero */
.hero { padding: 72px 0 48px; background: radial-gradient(900px 480px at 85% 10%, rgba(139, 92, 246, .16), transparent 70%), radial-gradient(700px 400px at 0% 0%, rgba(109, 40, 217, .10), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero-grid > * { min-width: 0; }
.hero h1 { font-size: clamp(32px, 5vw, 54px); }
.hero h1 span { color: var(--muted); }
.hero-lead { margin-top: 20px; font-size: 18px; color: var(--muted); max-width: 520px; }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 32px; }
.hero-note { font: 14px var(--font-mono); color: var(--muted); }
.hero-note b { color: var(--accent); font-weight: 500; }

.terminal { background: #0b0a10; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 80px -30px rgba(139, 92, 246, .35); }
.terminal-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.terminal-bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.terminal-bar span { margin: 0 auto; font: 12px var(--font-mono); color: var(--dim); transform: translateX(-20px); }
.terminal-body { padding: 18px 20px 22px; font: 14px/1.9 var(--font-mono); min-height: 292px; }
.t-line { display: flex; justify-content: space-between; gap: 12px; white-space: nowrap; }
.t-line .v { min-width: 0; color: var(--muted); overflow: hidden; text-overflow: ellipsis; }
.t-ok { color: var(--ok); }
.t-run { color: var(--accent); }
.t-prompt { color: var(--dim); }
.t-anim .t-line { opacity: 0; transform: translateY(4px); transition: opacity .3s, transform .3s; }
.t-anim .t-line.on { opacity: 1; transform: none; }
.cursor { display: inline-block; width: 8px; height: 16px; background: var(--accent); vertical-align: -3px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .terminal-body { font-size: 12px; padding: 14px; }
}

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); margin-top: 56px; }
.stat { padding: 22px 24px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { display: block; font: 600 26px/1.2 var(--font-mono); }
.stat span { color: var(--muted); font-size: 14px; }
@media (max-width: 720px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}

.uses { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; margin-top: 28px; }
.uses-title b { display: block; font-weight: 600; }
.uses-title span { color: var(--muted); font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; font: 13px var(--font-mono); color: var(--muted); }

/* Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 860px) { .grid-3 { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 400px) { .card { padding: 22px 18px; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card .tag { display: block; margin-bottom: 10px; }
.card h3 { font-size: 20px; margin-bottom: 18px; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 10px; align-items: baseline; color: var(--muted); }
.checks li::before { content: "✓"; color: var(--accent); font-family: var(--font-mono); }

.step { position: relative; }
.step .num { font: 500 13px var(--font-mono); color: var(--dim); }
.step h3 { font-size: 20px; margin: 18px 0 8px; }
.step p { color: var(--muted); }

/* Pricing */
.pricing { display: grid; grid-template-columns: 1fr 1fr; background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.pricing > div { padding: 32px; }
.pricing-left { border-right: 1px solid var(--line); }
.pricing h3 { font-size: 24px; }
.pricing .from { color: var(--muted); margin-top: 6px; }
.label { font: 500 12px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); margin: 28px 0 12px; }
.periods { display: grid; gap: 8px; }
.period { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: center; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; transition: border-color .15s, background .15s; }
.period:hover { border-color: var(--muted); }
.period input { position: absolute; opacity: 0; pointer-events: none; }
.period:has(input:checked) { border-color: var(--accent); background: rgba(139, 92, 246, .06); }
.period:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.period .name { font-weight: 600; display: flex; gap: 8px; align-items: center; }
.period .price { font: 600 16px var(--font-mono); text-align: right; }
.period .sub { grid-column: 2; font: 12px var(--font-mono); color: var(--muted); text-align: right; }
.badge { font: 600 11px/1 var(--font-mono); padding: 4px 6px; border-radius: 5px; background: rgba(139, 92, 246, .14); color: var(--accent); }
.badge-solid { background: var(--accent-2); color: var(--accent-ink); }
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.spec { padding: 14px 16px; background: var(--card-2); border-radius: 10px; }
.spec span { display: block; font: 12px var(--font-mono); color: var(--dim); }
.spec b { font-size: 17px; }
.pricing .checks { margin-top: 20px; }
.total { margin-top: 28px; padding-top: 22px; border-top: 1px dashed var(--line); }
.total-row { display: flex; justify-content: space-between; align-items: end; gap: 12px; margin-bottom: 18px; }
.total-sum { font: 600 34px/1 var(--font-mono); }
.total-per { font: 14px var(--font-mono); color: var(--muted); text-align: right; }
.fineprint { margin-top: 12px; font-size: 12px; color: var(--dim); }
.fineprint a { color: var(--muted); }
@media (max-width: 860px) {
  .pricing { grid-template-columns: 1fr; }
  .pricing-left { border-right: 0; border-bottom: 1px solid var(--line); }
  .pricing > div { padding: 24px 20px; }
}

.banner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; margin-top: 16px; padding: 26px 32px; border-radius: var(--radius); background: linear-gradient(110deg, rgba(139, 92, 246, .14), rgba(139, 92, 246, .03)); border: 1px solid rgba(139, 92, 246, .3); }
.banner h3 { font-size: 22px; }
.banner p { color: var(--muted); margin-top: 6px; }

/* Contact CTA */
.cta { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center; }
.cta h2 { font-size: clamp(26px, 3.4vw, 38px); }
.cta p { color: var(--muted); margin-top: 14px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.cta-list { display: grid; gap: 10px; }
.cta-item { padding: 18px 20px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.cta-item b { display: block; }
.cta-item span { color: var(--muted); font-size: 14px; }
@media (max-width: 860px) { .cta { grid-template-columns: 1fr; } }

/* FAQ */
.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.faq summary { display: flex; gap: 16px; align-items: baseline; padding: 18px 22px; cursor: pointer; list-style: none; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; margin-left: auto; font-family: var(--font-mono); color: var(--muted); }
.faq details[open] summary::after { content: "−"; }
.faq summary .q { font: 12px var(--font-mono); color: var(--dim); flex: none; }
.faq details p { padding: 0 22px 20px 22px; color: var(--muted); }

/* Generic page */
.page-head { padding-top: 64px; padding-bottom: 24px; }
.page-head h1 { font-size: clamp(26px, 4vw, 44px); hyphens: auto; overflow-wrap: break-word; }
.page-head p { color: var(--muted); margin-top: 12px; font-size: 18px; }
.page-body { padding-top: 24px; padding-bottom: 80px; }

/* Documents */
.doc { max-width: 800px; }
.updated { font: 13px var(--font-mono); color: var(--dim); margin-top: 12px; }
.doc h2 { font-size: 20px; margin: 36px 0 12px; }
.doc p, .doc li { color: #d0ccdb; }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 20px; margin: 10px 0; }
.doc li + li { margin-top: 6px; }
.doc a { color: var(--accent); }
.back { display: inline-block; margin-top: 40px; color: var(--muted); text-decoration: none; }
.back:hover { color: var(--text); }

.requisites { margin-top: 40px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); font: 14px/1.8 var(--font-mono); }
.requisites .label { margin: 0 0 8px; }
.requisites b { font-weight: 600; color: var(--text); }
.requisites div { color: var(--muted); }

/* Forms */
.form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field span { font-size: 14px; color: var(--muted); }
.input {
  width: 100%; height: 46px; padding: 0 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg-2); color: var(--text); font: 15px var(--font-body);
}
textarea.input { height: 120px; padding: 12px 14px; resize: vertical; }
.input:focus { outline: none; border-color: var(--accent); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); cursor: pointer; }
.check input { margin-top: 3px; accent-color: var(--accent); width: 16px; height: 16px; flex: none; }
.check a { color: var(--text); }
.notice { padding: 14px 16px; border-radius: 10px; background: rgba(139, 92, 246, .08); border: 1px solid rgba(139, 92, 246, .25); font-size: 14px; color: var(--text); }
.notice[hidden] { display: none; }
.notice a { color: var(--accent); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

.summary-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.summary-row:last-child { border-bottom: 0; }
.summary-row span { color: var(--muted); }
.summary-row b { font: 600 14px/1.5 var(--font-mono); text-align: right; }

/* Footer */
.footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 56px 0 28px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1.2fr 1.3fr; gap: 32px; }
.footer h4 { margin: 0 0 14px; font: 500 12px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.footer p { color: var(--muted); margin-top: 12px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer ul a { color: var(--muted); text-decoration: none; }
.footer ul a:hover { color: var(--text); }
.footer .company { font: 13px/1.75 var(--font-mono); color: var(--muted); }
.footer .company b { color: var(--text); font-weight: 600; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--dim); }
.footer-bottom a { color: var(--muted); }
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .t-anim .t-line { opacity: 1; transform: none; transition: none; }
  .cursor { animation: none; }
}