.sm-footer {
  background: var(--sm-white);
  color: var(--sm-text);
  border-top: 1px solid var(--sm-border);
}

.sm-footer__main {
  padding: 72px 0 48px;
}

.sm-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.sm-footer__heading {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.sm-footer__logo img {
  height: 2rem;
  width: auto;
}

.sm-footer a:hover {
  color: var(--sm-navy);
  text-decoration: underline;
}

.sm-footer__news {
  max-width: 520px;
}

.sm-news-form__row {
  display: flex;
  gap: 10px;
  margin: 12px 0;
}

.sm-news-form input[type='email'] {
  flex: 1;
  border: 1px solid var(--sm-border);
  border-radius: 999px;
  padding: 12px 16px;
}

.sm-news-form__consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.82rem;
  color: var(--sm-muted);
}

.sm-footer__bottom {
  border-top: 1px solid var(--sm-border);
  padding: 18px 0;
}

.sm-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.sm-footer__menu,
.sm-footer__social {
  display: flex;
  gap: 16px;
}

.sm-footer__social-link {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--sm-border);
  border-radius: 50%;
}

@media (max-width: 900px) {
  .sm-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.sm-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--sm-accent);
  color: var(--sm-navy);
  box-shadow: 0 10px 24px rgba(17, 17, 17, 0.18);
}

.sm-to-top:hover {
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .sm-footer__grid,
  .sm-news-form__row {
    grid-template-columns: 1fr;
    display: grid;
  }
}