.floating-cta {
  position: fixed;
  z-index: 90;
  right: 20px;
  bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold-hi), var(--gold) 55%, var(--copper));
  color: #1b0d02;
  font-size: 0.84rem;
  font-weight: 700;
  box-shadow: 0 18px 44px -12px rgba(0, 0, 0, 0.8), inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  opacity: 0;
  transform: translateY(18px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

.floating-cta.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.floating-cta:hover {
  transform: translateY(-3px);
}

.floating-cta svg {
  width: 18px;
  height: 18px;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(5, 4, 3, 0.9);
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox figure {
  margin: 0;
  max-width: min(560px, 92vw);
  max-height: 88vh;
}

.lightbox img {
  width: auto;
  max-height: 80vh;
  border-radius: 16px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.9);
}

.lightbox figcaption {
  margin-top: 14px;
  color: var(--text-2);
  font-size: 0.85rem;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  transform: translateY(-50%);
}

.lightbox-nav.prev {
  left: 18px;
}

.lightbox-nav.next {
  right: 18px;
}