:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #121a2f;
  --border: #24304f;
  --text: #e8edf8;
  --muted: #9aa8c7;
  --accent: #3ddc97;
  --link: #4f8cff;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #15213f 0%, var(--bg) 45%);
  color: var(--text);
  line-height: 1.65;
}

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

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

h1 {
  margin: 12px 0 14px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.25;
}

h2 {
  margin: 32px 0 12px;
  font-size: 1.35rem;
}

h3 {
  margin: 22px 0 8px;
  font-size: 1.1rem;
}

.lead {
  font-size: 1.08rem;
  color: var(--muted);
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 18px 0;
}

.card-list {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}

.card-list a {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text);
}

.card-list a:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.card-list strong { color: var(--accent); display: block; margin-bottom: 4px; }
.card-list span { color: var(--muted); font-size: 0.95rem; }

ul, ol { padding-left: 1.25rem; }
li { margin: 6px 0; }

.faq details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 10px 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.cta {
  margin-top: 36px;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, #15213f, #121a2f);
}

.cta .btn {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--accent);
  color: #04120c;
  font-weight: 700;
  text-decoration: none;
}

.footer {
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.muted { color: var(--muted); }

@media (max-width: 640px) {
  .wrap {
    padding: 18px 14px 48px;
  }

  h1 {
    font-size: 1.45rem;
  }

  .topnav {
    gap: 10px;
  }

  .card-list a {
    padding: 12px 14px;
  }

  .cta .btn {
    display: block;
    text-align: center;
  }
}