:root {
  color-scheme: dark;
  --bg: #020617;
  --panel: #0f172a;
  --line: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --cyan: #22d3ee;
  --indigo: #818cf8;
  --green: #34d399;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 920px; margin: 0 auto; padding: 0 20px; }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(2, 6, 23, 0.92);
  backdrop-filter: blur(12px);
}
.brand { color: var(--text); font-weight: 800; letter-spacing: 0.04em; }
.brand:hover { text-decoration: none; color: var(--cyan); }
.nav-links { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; }
.nav-links a { color: var(--muted); }
.nav-links a.active, .nav-links a:hover { color: var(--cyan); text-decoration: none; }

.hero {
  padding: 56px 0 28px;
  border-bottom: 1px solid var(--line);
}
.kicker {
  color: var(--cyan);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 12px;
}
h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 16px;
}
.lead { color: var(--muted); font-size: 1.05rem; margin: 0 0 22px; max-width: 700px; }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(90deg, #22d3ee, #6366f1);
  color: #020617;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 12px;
}
.cta:hover { text-decoration: none; filter: brightness(1.08); }

.grid { display: grid; gap: 16px; grid-template-columns: 1fr; padding: 28px 0; }
@media (min-width: 720px) {
  .grid.cards { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}
.card h2, .card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p, .card li { color: var(--muted); font-size: 0.95rem; }
.card ul { margin: 0; padding-left: 18px; }

.content { padding: 8px 0 40px; }
.content h2 { font-size: 1.25rem; margin: 28px 0 10px; }
.content p { color: var(--muted); }
.content ul { color: var(--muted); }

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  margin: 10px 0;
  background: var(--panel);
}
.faq summary { cursor: pointer; font-weight: 600; }

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 13px;
}
.footer nav { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; align-items: center; }
.footer button {
  background: none;
  border: 0;
  padding: 0;
  color: var(--cyan);
  font: inherit;
  cursor: pointer;
}
.footer button:hover { text-decoration: underline; }

.wa { color: var(--green); font-weight: 700; }