/* ==========================================================================
   Pie de página
   ========================================================================== */

.footer {
  background-color: var(--ink-950);
  color: var(--on-dark);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--ink-700);
}

.footer-brand {
  max-width: 40ch;
}

.footer-brand .brand {
  margin-right: 0;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: var(--t-small);
  color: var(--on-dark-muted);
  text-wrap: pretty;
}

.footer-place {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.footer-nav h4,
.footer-social h4 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 1rem;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav a {
  font-size: var(--t-small);
  color: var(--on-dark-muted);
  transition: color 0.2s var(--ease);
}

.footer-nav a:hover {
  color: var(--cyan);
}

.footer-social ul {
  display: flex;
  gap: 0.65rem;
}

.footer-social a {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  font-size: 1.15rem;
  color: var(--on-dark-muted);
  border: 1px solid var(--ink-700);
  border-radius: 50%;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.footer-social a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background-color: rgba(0, 187, 239, 0.08);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 2rem;
  font-size: 0.8125rem;
  color: var(--ink-500);
}

@media (max-width: 640px) {
  .footer-top {
    flex-direction: column;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
  }
}