.demo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  width: 100%;
  padding: 6px 12px;
  font-size: 11px;
  line-height: 1.3;
  text-align: center;
  letter-spacing: 0.02em;
  background: #2d2d2d;
  color: rgba(255, 255, 255, 0.85);
  flex-shrink: 0;
}

body:has(.demo-banner) {
  padding-top: 32px;
}

.portfolio-watermark {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(5rem, 18vw, 12rem);
  font-weight: 200;
  color: #000;
  opacity: 0.09;
  pointer-events: none;
  z-index: 9998;
  user-select: none;
}

.portfolio-watermark--light {
  color: #fff;
}