/* ==========================================================================
   Footer — Site footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-2xl);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  display: grid;
  gap: var(--space-xl);
}

/* --- Logo en beschrijving --- */
.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.site-footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.site-footer__logo img,
.site-footer__logo svg {
  width: 2.5rem;
  height: 2.5rem;
}

.site-footer__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  max-width: 40ch;
}

/* --- Links kolommen --- */
.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
}

.site-footer__column h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: var(--space-sm);
}

.site-footer__column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__column li {
  margin-block-end: var(--space-xs);
}

.site-footer__column a {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__column a:hover {
  color: var(--color-primary);
}

/* --- Copyright bar --- */
.site-footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-block-start: var(--space-lg);
  margin-block-start: var(--space-lg);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
}

/* --- Responsive --- */
@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1fr 2fr;
  }
}