*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f1218;
  --panel: #171b24;
  --border: #2a3140;
  --text: #e8ecf4;
  --muted: #9aa3b5;
  --accent: #7dd3c0;
  --open: #4ade80;
  --gated: #fbbf24;
  --radius: 12px;
}

html {
  color-scheme: dark;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, #1a2740 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.25rem 1.15rem 3.5rem;
}

.hero {
  margin-bottom: 1.75rem;
}

.kicker {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.45rem;
}

h1 {
  font-size: 1.55rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.lede {
  color: var(--muted);
  font-size: 0.98rem;
}

.cards {
  display: grid;
  gap: 0.9rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.1rem 1.2rem;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.55rem;
}

.card h2 {
  font-size: 1.1rem;
  font-weight: 600;
}

.badge {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge.open {
  color: #052e16;
  background: color-mix(in srgb, var(--open) 85%, white);
}

.badge.gated {
  color: #422006;
  background: color-mix(in srgb, var(--gated) 88%, white);
}

.card p {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0.55rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.card code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85em;
  color: var(--text);
  background: #0c0f14;
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
}

.card .note {
  font-size: 0.82rem;
  color: #7d8699;
  border-left: 2px solid var(--border);
  padding-left: 0.65rem;
  margin-top: 0.35rem;
}

.btn {
  display: inline-block;
  margin-top: 0.35rem;
  color: var(--bg);
  background: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
}

.btn:hover,
.btn:focus-visible {
  filter: brightness(1.08);
  outline: none;
}

.foot {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--muted);
}

.foot p + p {
  margin-top: 0.3rem;
}

.foot code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  color: var(--text);
}

.muted {
  color: #6b7385;
}

@media (min-width: 640px) {
  h1 {
    font-size: 1.75rem;
  }
}