:root {
  --bg: #fff;
  --fg: #111;
  --measure: 36rem;
}

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

html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100svh;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:hover {
  text-decoration-thickness: 2px;
}

.page {
  box-sizing: border-box;
  min-height: 100svh;
  width: min(100%, var(--measure));
  margin-inline: auto;
  padding: 1.15rem 1.2rem 1.35rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page--home {
  height: 100svh;
}

.cluster {
  width: 100%;
  margin-block: auto;
}

.mark {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}

.mark a {
  text-decoration: none;
}

.mark a:hover {
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.directory {
  width: 100%;
  max-width: 20rem;
  margin: 1.15rem auto 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}

.tile {
  display: block;
  min-height: 0;
  padding: 0.72rem 0.95rem;
  border: 1.5px solid var(--fg);
  text-decoration: none;
  text-align: center;
}

.tile h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.tile:hover,
.tile:focus-visible {
  background: var(--fg);
  color: var(--bg);
  outline: none;
}

.product-name {
  margin: 3.25rem 0 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
}

.product-copy {
  margin: 1.25rem auto 0;
  max-width: 24em;
  text-align: center;
}

.product-status {
  margin: 2.25rem auto 0;
  text-align: center;
}

.fineprint {
  flex-shrink: 0;
  margin: 0;
  padding-top: 1rem;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-align: center;
}

@media (min-width: 640px) {
  .page {
    padding: 2.5rem 2.5rem 3rem;
  }

  .directory {
    margin-top: 1.5rem;
    gap: 0.5rem;
    max-width: 18rem;
  }

  .tile {
    padding: 0.85rem 1.05rem;
  }

  .fineprint {
    padding-top: 1.5rem;
  }
}