:root {
  --bg: #0f172a;
  --panel: #111c35;
  --panel-2: #16233f;
  --text: #e2e8f0;
  --muted: #cbd5e1;
  --accent: #38bdf8;
  --border: rgba(148, 163, 184, 0.18);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #132448, var(--bg) 65%);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap {
  width: min(1080px, calc(100vw - 32px));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(15, 23, 42, 0.82);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap,
.footer-grid {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero {
  padding: 64px 0 28px;
}
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  margin-bottom: 12px;
}
h1, h2 {
  line-height: 1.15;
  margin: 0 0 16px;
}
h1 { font-size: clamp(2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
.lede {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 760px;
}
.card,
.faq-item {
  background: linear-gradient(180deg, rgba(22, 35, 63, 0.98), rgba(17, 28, 53, 0.98));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  margin: 0 0 18px;
  box-shadow: 0 18px 50px rgba(2, 6, 23, 0.28);
}
.card-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 24px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
}
.faq-item p { margin: 12px 0 0; }
ul {
  margin: 0;
  padding-left: 20px;
}
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
.site-footer p {
  color: var(--muted);
  margin: 0;
}
@media (max-width: 720px) {
  .site-header .wrap,
  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
}