:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --card: #ffffff;
  --border: #e2e2e2;
  --accent: #0b5cff;
  --focus: #ff8a00;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101214;
    --fg: #ececec;
    --muted: #a0a4ab;
    --card: #181b1f;
    --border: #2b2f36;
    --accent: #6ea0ff;
    --focus: #ffb64d;
  }
}

* { box-sizing: border-box; }

html { font-size: 100%; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0 1rem;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

a { color: var(--accent); }

a:focus-visible,
.card a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-header,
main,
.site-footer {
  max-width: 64rem;
  margin: 0 auto;
}

.site-header { padding: 3rem 0 1.5rem; }

.wordmark {
  margin: 0;
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.wordmark a { color: inherit; text-decoration: none; }

.tagline {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 1.125rem;
}

h2 {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 2rem 0 1rem;
}

.grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 40rem) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 60rem) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.card a {
  display: block;
  margin: -1.25rem;
  padding: 1.25rem;
  color: inherit;
  text-decoration: none;
  border-radius: 10px;
  height: calc(100% + 2.5rem);
}

.card a:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, var(--card)); }

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
}

.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.card.soon {
  opacity: 0.65;
  border-style: dashed;
}

.badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.1rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  vertical-align: middle;
}

.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}