:root {
  --bg: #0a1628;
  --card: #111d33;
  --text: #e8eef7;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --accent2: #eab308;
  --border: #1e293b;
  --max: 720px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent); }
header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
  background: #060d18;
}
header nav { max-width: 960px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
header nav a { text-decoration: none; color: var(--muted); font-size: 0.9rem; }
header nav a:hover, header nav a.active { color: var(--accent); }
header .brand { font-weight: 700; color: var(--text); margin-right: auto; }
main { max-width: var(--max); margin: 0 auto; padding: 2rem 1.25rem 4rem; }
h1 { font-size: 1.75rem; margin-top: 0; }
h2 { font-size: 1.15rem; margin-top: 2rem; color: var(--accent2); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.muted { color: var(--muted); font-size: 0.9rem; }
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}
.hero-logo { width: 140px; height: auto; display: block; margin: 0 auto 1rem; border-radius: 16px; }
.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.65rem 1.25rem;
  background: var(--accent);
  color: #041018;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
}
ul { padding-left: 1.25rem; }
li { margin-bottom: 0.35rem; }
.aab-gated { list-style: none; margin-left: -1.25rem; }
.pin-row { margin-top: 0.15rem; }
.pin-label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.45rem; }
.pin-controls { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.pin-controls input {
  width: 7.5rem;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
}
.pin-btn {
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
}
.pin-btn:hover { border-color: var(--accent); color: var(--accent); }
.pin-error { margin: 0.4rem 0 0; font-size: 0.82rem; color: #f87171; }