.site-footer {
  color: var(--color-white);

  background: #041628;
}

.footer-container {
  display: grid;

  grid-template-columns:
    1.7fr
    1fr
    1fr
    1fr;

  gap: 50px;

  padding-top: 65px;
  padding-bottom: 60px;
}

.footer-brand img {
  display: block;

  width: auto;
  height: 62px;

  margin: 0 0 18px -34px;

  object-fit: contain;
}

.footer-brand p {
  max-width: 310px;

  margin-bottom: 0;

  font-size: 14px;

  line-height: 1.7;

  color:
    rgba(255, 255, 255, 0.62);
}

.footer-column {
  display: flex;

  flex-direction: column;

  align-items: flex-start;

  gap: 12px;
}

.footer-column h3 {
  margin-bottom: 5px;

  font-size: 14px;
  font-weight: 700;
}

.footer-column a {
  font-size: 13px;

  color:
    rgba(255, 255, 255, 0.62);

  transition: color var(--transition);
}

.footer-column a:hover {
  color: var(--color-primary);
}

.footer-column a i {
  margin-right: 7px;
}


.footer-bottom {
  border-top:
    1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom-container {
  min-height: 72px;

  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 25px;
}

.footer-bottom p {
  margin: 0;

  font-size: 12px;

  color:
    rgba(255, 255, 255, 0.48);
}

.footer-bottom strong {
  color:
    rgba(255, 255, 255, 0.72);
}

.footer-company {
  margin-left: auto;
}

.footer-company a {
  color: inherit;
  text-decoration: none;
}

.footer-company a:hover strong {
  color: var(--color-primary);
}


.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;

  z-index: 1000;

  width: 42px;
  height: 42px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;

  color: var(--color-navy);
  background: var(--color-primary);

  font-size: 14px;
  cursor: pointer;

  box-shadow: 0 8px 24px rgba(6, 29, 54, 0.18);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transform: translateY(10px);

  transition:
    opacity var(--transition),
    visibility var(--transition),
    transform var(--transition),
    background var(--transition);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;

  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);

  background: var(--color-primary-hover);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-navy);
  outline-offset: 3px;
}


@media (max-width: 900px) {

  .footer-container {
    grid-template-columns:
      1.5fr
      1fr
      1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}


@media (max-width: 650px) {

  .footer-container {
    grid-template-columns: 1fr;

    gap: 35px;

    padding-top: 50px;
    padding-bottom: 45px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom-container {
    padding-top: 22px;
    padding-bottom: 22px;

    flex-direction: column;

    align-items: flex-start;

    gap: 6px;
  }

  .footer-brand img {
    margin-left: -20px;
  }

  .footer-company {
    margin-left: 0;
  }

   .back-to-top {
    right: 20px;
    bottom: 20px;
  }

}