:root {
  --bg: #0b1020;
  --panel: #111833;
  --panel-2: #151f42;
  --text: #f7f8ff;
  --muted: #b9c0d4;
  --line: rgba(255,255,255,.12);
  --accent: #4cc9f0;
  --accent-2: #7c3aed;
  --danger: #ff7a7a;
  --ok: #79e2a9;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(0,0,0,.32);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: radial-gradient(circle at top left, rgba(76,201,240,.25), transparent 32%),
              radial-gradient(circle at top right, rgba(124,58,237,.28), transparent 35%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}
a { color: inherit; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(11,16,32,.72);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}
.logo {
  display: flex;
  gap: 12px;
  align-items: center;
  font-weight: 800;
  letter-spacing: .2px;
  text-decoration: none;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: conic-gradient(from 210deg, #4cc9f0, #7c3aed, #f72585, #4cc9f0);
  box-shadow: 0 0 28px rgba(76,201,240,.35);
}
.menu { display: flex; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.menu a { color: var(--muted); text-decoration: none; font-size: 14px; }
.menu a:hover { color: var(--text); }
.hero { padding: 82px 0 42px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 32px; align-items: center; }
.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,.04);
  font-size: 14px;
}
h1 { font-size: clamp(34px, 7vw, 68px); line-height: 1.02; margin: 20px 0 18px; letter-spacing: -1.8px; }
h2 { font-size: clamp(28px, 4vw, 42px); margin: 0 0 16px; letter-spacing: -1px; }
h3 { margin: 0 0 10px; font-size: 21px; }
p { color: var(--muted); margin: 0 0 14px; }
.lead { font-size: 20px; color: #dbe2ff; max-width: 720px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 700;
  background: rgba(255,255,255,.06);
}
.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
}
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.hero-card { transform: rotate(1deg); }
.hero-card .screen {
  border-radius: 16px;
  background: #e9f7ff;
  color: #0b1020;
  padding: 18px;
}
.bot-message { background: #fff; border-radius: 16px; padding: 16px; margin-bottom: 12px; font-size: 17px; }
.bot-button { background: #3ca6cc; color: #fff; border-radius: 12px; padding: 12px; text-align: center; font-weight: 800; margin-top: 8px; }
.section { padding: 42px 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.features li, .doc-list li { color: var(--muted); margin-bottom: 10px; }
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.plan { position: relative; overflow: hidden; }
.plan.featured { border-color: rgba(76,201,240,.5); }
.price { font-size: 34px; color: #fff; font-weight: 900; margin: 10px 0; }
.price small { font-size: 15px; color: var(--muted); font-weight: 600; }
.exchange-rate-status { color: var(--ok); font-size: 14px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: #fff; background: rgba(255,255,255,.06); }
td { color: var(--muted); }
.notice { border-left: 4px solid var(--accent); padding: 14px 16px; background: rgba(76,201,240,.08); border-radius: 12px; }
.footer { border-top: 1px solid var(--line); padding: 32px 0; margin-top: 48px; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 14px; }
.footer-links a { color: var(--muted); }
.doc-page { padding: 46px 0; }
.doc {
  background: #fff;
  color: #111827;
  border-radius: 20px;
  padding: min(44px, 7vw);
  box-shadow: var(--shadow);
}
.doc h1, .doc h2, .doc h3 { color: #111827; letter-spacing: 0; }
.doc h1 { font-size: 34px; line-height: 1.15; }
.doc h2 { font-size: 25px; margin-top: 30px; }
.doc p, .doc li { color: #374151; }
.doc .exchange-rate-status { color: #047857; }
.doc a { color: #0b77b7; }
.doc table { min-width: 0; }
.doc th { background: #f3f4f6; color: #111827; }
.doc td, .doc th { border: 1px solid #e5e7eb; color: #374151; }
.placeholder { background: #fff8cc; color: #111827; padding: 1px 4px; border-radius: 4px; }
@media (max-width: 880px) {
  .hero-grid, .grid-2, .grid-3, .pricing { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .menu { justify-content: flex-start; }
  .hero { padding-top: 42px; }
}