footer {
  background: linear-gradient(135deg, var(--concrete-gray) 0%, var(--pitch-black) 100%);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    url("data:image/svg+xml,%3Csvg width='30' height='30' viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffff00' fill-opacity='0.03'%3E%3Cpolygon points='15,0 30,15 15,30 0,15'/%3E%3C/g%3E%3C/svg%3E");
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
  position: relative;
  z-index: 2;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
}