/* Shared footer — included on every content page. */
.site-footer {
  /* Reduced by 150% from 72rem baseline (÷2.5 → 28.8rem). */
  padding: 28.8rem 1.5rem 1.25rem;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color: var(--fg);
  background: transparent;
}
.site-footer__logo {
  display: block;
  outline: none;
  transition: opacity var(--dur-quick) var(--ease-standard);
  line-height: 0;
}
.site-footer__logo:hover,
.site-footer__logo:focus-visible {
  opacity: 0.85;
}
.site-footer__logo img {
  display: block;
  width: 100%;
  height: auto;
}
/* 3-column grid keeps the tagline in the *exact* horizontal center,
   independent of what's in the left/right groups. */
.site-footer__meta {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding-top: 2.5rem;
  gap: 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}
.site-footer__meta-left {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.site-footer__meta-center {
  justify-self: center;
}
.site-footer__meta-right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.site-footer__meta a,
.site-footer__meta span {
  color: var(--fg);
  text-decoration: none;
  opacity: 0.65;
  transition: opacity var(--dur-quick) var(--ease-standard);
}
.site-footer__meta a:focus-visible { opacity: 1; }
@media (hover: hover) {
  .site-footer__meta a:hover { opacity: 1; }
}
/* Tagline in brand cyan, full opacity. */
.site-footer__meta-center span {
  color: var(--accent);
  opacity: 1;
}

@media (max-width: 640px) {
  /* Mobile top padding reduced by 150% from 45rem (÷2.5 → 18rem). */
  .site-footer { padding: 18rem 1rem 1rem; }
  .site-footer__meta {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    padding-top: 1.5rem;
    gap: 0.5rem;
    font-size: 0.65rem;
  }
  .site-footer__meta-left,
  .site-footer__meta-center,
  .site-footer__meta-right {
    justify-self: center;
  }
  .site-footer__meta-left {
    gap: 1rem;
  }
}