.sf-footer {
  background: var(--sf-bg-dark);
  color: var(--sf-text-inverse);
}

.sf-footer__inner {
  max-width: 1800px;
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 720px) {
  .sf-footer__inner {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 3rem;
  }
}

.sf-footer__logo-text {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sf-text-inverse);
}

.sf-footer__logo img {
  display: block;
  max-height: 32px;
  width: auto;
}

.sf-footer__tagline {
  margin: 0.85rem 0 0.5rem;
  font-weight: 600;
  color: var(--sf-text-inverse);
}

.sf-footer__blurb {
  margin: 0;
  max-width: 32em;
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(247, 246, 243, 0.65);
}

.sf-footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.sf-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(247, 246, 243, 0.25);
  color: rgba(247, 246, 243, 0.85);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.sf-footer__social a:hover {
  border-color: var(--sf-text-inverse);
  color: var(--sf-text-inverse);
}

.sf-footer__col h3 {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247, 246, 243, 0.55);
}

.sf-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.sf-footer__col a {
  color: rgba(247, 246, 243, 0.85);
  text-decoration: none;
  font-size: 0.92rem;
}

.sf-footer__col a:hover {
  color: var(--sf-text-inverse);
}

.sf-footer__bottom {
  border-top: 1px solid rgba(247, 246, 243, 0.12);
  padding: 1.25rem 1.5rem;
  text-align: center;
}

.sf-footer__bottom p {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(247, 246, 243, 0.55);
}