.site-footer {
  padding-block: 6.4rem 2.4rem;
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 4.8rem;
}

.site-footer p {
  color: inherit;
}

.site-footer__name {
  margin-bottom: 1.2rem;
  font-size: 1.8rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
}

.site-footer__brand p {
  font-size: 1.4rem;
  line-height: 1.6;
}

.site-footer__note {
  margin-top: 1.2rem;
  font-size: 1.2rem;
  opacity: 0.8;
}

.site-footer__title {
  display: block;
  margin-bottom: 1.6rem;
  font-size: 1.8rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  color: var(--color-text-on-dark);
}

.site-footer__col > ul:first-of-type {
  display: grid;
  gap: 0.8rem;
  list-style: none;
  font-size: 1.4rem;
  font-weight: var(--font-weight-light);
}

.site-footer a {
  color: var(--color-text-on-dark);
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--color-secondary);
  text-decoration: none;
}

.site-footer .site-footer__social {
  display: flex;
  gap: 1.2rem;
  margin-top: 2rem;
  list-style: none;
}

.site-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.6rem;
  height: 3.6rem;
  border: 0.1rem solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-button);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.site-footer__social a:hover,
.site-footer__social a:focus-visible {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-text-on-secondary);
}

.site-footer__social .bi {
  font-size: 1.8rem;
  line-height: 1;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.2rem;
  margin-top: 4.8rem;
  padding-top: 2.4rem;
  border-top: 0.1rem solid rgba(255, 255, 255, 0.2);
  font-size: 1.2rem;
}

@media (max-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 3.2rem;
  }
}