/* demo-landing — self-contained styling (no external fonts / CDNs, CSP-safe). */
:root {
  --bg: #0b1220;
  --bg-card: #121b2e;
  --bg-card-2: #0e1626;
  --line: #24314b;
  --fg: #e7edf7;
  --muted: #93a1bd;
  --accent: #3b82f6;
  --accent-2: #22d3ee;
  --ok: #22c55e;
  --warn: #f59e0b;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }
a { color: var(--accent-2); }

.hero {
  background:
    radial-gradient(1200px 400px at 20% -10%, rgba(59,130,246,.20), transparent 60%),
    radial-gradient(900px 400px at 90% 0%, rgba(34,211,238,.14), transparent 55%),
    var(--bg-card-2);
  border-bottom: 1px solid var(--line);
  padding: 56px 0 44px;
}
.brand {
  font-weight: 800; letter-spacing: .18em; font-size: 14px;
  color: var(--muted);
}
.brand span { color: var(--accent); margin-left: .5em; }
.hero h1 { margin: 14px 0 8px; font-size: 40px; line-height: 1.1; }
.lead { margin: 0; color: var(--muted); max-width: 60ch; }

main.wrap { padding-top: 40px; padding-bottom: 24px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.card {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-title { margin: 0; font-size: 20px; }
.card-tagline { margin: -6px 0 0; color: var(--accent-2); font-size: 14px; font-weight: 600; }
.card-desc { margin: 0; color: var(--muted); }

.badge {
  font-size: 12px; font-weight: 700; letter-spacing: .04em;
  padding: 3px 10px; border-radius: 999px; white-space: nowrap;
  border: 1px solid var(--line);
}
.badge-ok { color: #062a12; background: var(--ok); border-color: transparent; }
.badge-warn { color: #2a1c02; background: var(--warn); border-color: transparent; }
.badge-muted { color: var(--muted); }

.card-creds {
  background: rgba(2, 6, 16, .5);
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.card-creds-head {
  font-size: 12px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--muted); margin-bottom: 8px;
}
.cred + .cred { margin-top: 10px; border-top: 1px solid var(--line); padding-top: 10px; }
.cred-row { display: flex; align-items: center; gap: 10px; }
.cred-key { width: 84px; color: var(--muted); font-size: 13px; }
.cred-val {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: #060b16; border: 1px solid var(--line);
  padding: 2px 8px; border-radius: 6px; color: var(--fg);
}
.cred-note { margin: 8px 0 0; font-size: 13px; color: var(--muted); }

.card-foot {
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-top: 4px;
}
.btn {
  display: inline-block; text-decoration: none; font-weight: 700;
  color: #04121f; background: linear-gradient(180deg, var(--accent-2), var(--accent));
  padding: 9px 16px; border-radius: 9px;
}
.btn:hover { filter: brightness(1.07); }
.card-updated { color: var(--muted); font-size: 12px; }

.empty { color: var(--muted); padding: 40px 0; }

.foot { border-top: 1px solid var(--line); margin-top: 40px; padding: 28px 0 48px; }
.foot p { margin: 6px 0; color: var(--muted); font-size: 14px; max-width: 80ch; }
.gen { opacity: .7; }

@media (max-width: 640px) {
  .hero h1 { font-size: 30px; }
  .grid { grid-template-columns: 1fr; }
}