.c-footer {
  background: #0d1410;
  color: rgba(255,255,255,0.75);
}

.c-footer__top {
  padding-top: 64px;
  padding-bottom: 48px;
  display: grid;
  gap: 48px;
}

.c-footer__logo {
  width: 64px;
  height: auto;
  opacity: 0.85;
  margin-bottom: 10px;
}

.c-footer__tagline {
  margin: 0;
  font-size: 13px;
  opacity: 0.5;
}

.c-footer__nav {
  display: grid;
  gap: 32px;
}

.c-footer__col h4 {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.45;
  margin: 0 0 14px;
}

.c-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.c-footer__col li {
  font-size: 14px;
}

.c-footer__col a,
.c-footer__col a:hover,
.c-footer__col a:visited,
.c-footer__col a:focus {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  transition: opacity 0.18s ease;
}

.c-footer__col a:hover { opacity: 0.55; }

.c-footer__bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  opacity: 0.35;
}

@media (min-width: 768px) {
  .c-footer__top { grid-template-columns: 220px 1fr; gap: 80px; }
  .c-footer__nav { grid-template-columns: repeat(3, 1fr); }
  .c-footer__bottom { flex-direction: row; justify-content: space-between; }
}