.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 1rem 0 2rem;
}
.tile {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  background: var(--md-default-bg-color);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.tile h3 { margin: 0 0 .35rem; font-size: 1.05rem; }
.tile p  { margin: 0 0 .75rem; }
.tile a  { text-decoration: none; border-bottom: 1px dashed var(--md-accent-fg-color); }
.tile a:hover { border-bottom-style: solid; }