.site-footer {
  position: relative;
  overflow: hidden;

  background: radial-gradient(circle at 10% 0%, rgba(0, 150, 136, 0.18), transparent 30%), radial-gradient(circle at 90% 20%, rgba(20, 200, 184, 0.12), transparent 25%), linear-gradient(135deg, #031413 0%, #061c1b 50%, #082826 100%);

  color: rgba(255, 255, 255, 0.82);

  padding: 70px 0 40px;

  border-top: 2px solid rgba(0, 150, 136, 0.3);
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;

  background: repeating-linear-gradient(-8deg, rgba(20, 200, 184, 0.05) 0, rgba(20, 200, 184, 0.05) 1px, transparent 1px, transparent 12px);

  opacity: 0.25;
  pointer-events: none;
}

.site-footer__logo {
  display: inline-flex;
  align-items: center;
  max-width: 350px;
}

.site-footer__logo-image {
  display: block;
  max-width: 260px;
  height: auto;
}


.site-footer__inner {
  position: relative;
  z-index: 2;

  display: grid;
  gap: 32px;
}

.site-footer__brand {
  max-width: 700px;
}

.site-footer__brand strong {
  display: block;
  margin-bottom: 12px;

  color: #ffffff;
  font-size: 26px;
  font-weight: 900;
}

.site-footer__brand p {
  margin: 0;

  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  line-height: 1.8;
}

.site-footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;

  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__nav a {
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
  transition: 0.2s ease;
}

.site-footer__nav a:hover {
  color: var(--safe-accent);
}

.site-footer__bottom {
  padding-top: 24px;

  border-top: 1px solid rgba(255, 255, 255, 0.08);

  color: rgba(255, 255, 255, 0.55);

  font-size: 14px;
}

.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;

  width: 52px;
  height: 52px;

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

  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;

  background: linear-gradient(180deg, rgba(10, 42, 45, 0.88), rgba(4, 22, 25, 0.92));

  color: #ffffff;

  cursor: pointer;

  box-shadow:
    0 18px 38px rgba(0, 20, 22, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);

  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  opacity: 0;
  visibility: hidden;
  transform: translateY(18px);

  transition: 0.25s ease;
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-3px);
  background: linear-gradient(180deg, rgba(13, 58, 58, 0.92), rgba(5, 28, 31, 0.96));
  box-shadow:
    0 22px 44px rgba(0, 35, 34, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}