.site-footer {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 18%, rgba(25, 55, 194, 0.2), transparent 26%),
    #041128;
  color: #ffffff;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 7px;
  background: linear-gradient(90deg, var(--color-red) 0 32%, var(--color-yellow) 32% 57%, var(--color-blue) 57%);
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  padding: 62px 0 34px;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  padding-bottom: 42px;
}

.site-footer__title {
  margin-bottom: 12px;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
}

.site-footer__text,
.site-footer__meta {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.92rem;
}

.site-footer__affiliation {
  width: fit-content;
  max-width: 100%;
  margin-top: 26px;
}

.site-footer__affiliation > p {
  margin-bottom: 9px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer__gtu-link {
  width: 220px;
  max-width: 100%;
  min-height: 116px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 13px 16px;
  border: 2px solid transparent;
  background: #ffffff;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-footer__gtu-link:hover,
.site-footer__gtu-link:focus-visible {
  border-color: var(--color-yellow);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
}

.site-footer__gtu-link img {
  width: 100%;
  height: auto;
  max-height: 90px;
  display: block;
  object-fit: contain;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 22px;
}

.site-footer__link {
  position: relative;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  font-weight: 700;
}

.site-footer__link:hover {
  color: #ffffff;
}

.site-footer__link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 2px;
  background: var(--color-yellow);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms ease;
}

.site-footer__link:hover::after,
.site-footer__link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}