.footer {
  position: relative;
  margin-top: 4rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.footer__wave {
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  height: 60px;
  color: var(--bg-elevated);
  overflow: hidden;
}

.footer__wave svg {
  width: 100%;
  height: 100%;
}

.footer__inner {
  width: var(--container);
  margin: 0 auto;
  padding: 3rem 0 2rem;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.125rem;
}

.footer__nav {
  display: flex;
  gap: 1.5rem;
}

.footer__nav a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: color 0.3s;
}

.footer__nav a:hover {
  color: var(--leaf);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.back-to-top {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: border-color 0.3s, color 0.3s, background 0.3s, transform 0.3s;
}

.back-to-top:hover {
  border-color: var(--leaf);
  color: var(--leaf);
  background: rgba(121, 197, 106, 0.08);
  transform: translateY(-3px);
}