.footer {
  position: absolute;
  z-index: 100;
  bottom: 0;
  width: 100vw;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
  padding: 2rem 0 1rem;
}

.footer ul {
  width: 90%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}

.footer ul li {
  margin: 0 1rem;
  margin-top: 1rem;
  font-weight: 600;
}

.footer ul li a {
  color: var(--tertiary-color);
  font-size: 1.2rem;
  transition: all 0.3s ease;
  position: relative;
  opacity: 0.8;
}

.footer ul li a::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--chery-red);
  transition: width 0.3s ease;
}

.footer ul li a:hover {
  opacity: 1;
}

.footer ul li a:hover::after {
  width: 100%;
}