:root {
  color-scheme: light dark;
  --paper: light-dark(#f5f0e6, #181713);
  --ink: light-dark(#201e19, #f4efe3);
  --muted: light-dark(#655f54, #b8b0a2);
  --line: light-dark(#c8bdab, #49443c);
  --accent: light-dark(#8b3f24, #ee9a75);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

header,
main {
  width: min(70rem, calc(100% - 2rem));
  margin-inline: auto;
}

header {
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
  font-family: ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

main { padding-block: clamp(3rem, 8vw, 7rem); }

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.catalog-intro {
  max-width: 44rem;
  margin-block: 2rem 4rem;
  color: var(--muted);
  font-size: 1.2rem;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: 1rem;
}

.catalog-card {
  min-height: 16rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
}

.catalog-card h2 { font-size: 1.75rem; }

.catalog-card__status,
.hub-release {
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

a { color: var(--accent); text-underline-offset: 0.2em; }

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 2;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-120%);
}

.skip-link:focus { transform: translateY(0); }

.hub-release { margin-top: 4rem; }