/* ── Animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Scrolled header ── */
.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(0,0,0,.13);
}

/* ── Form field error ── */
.field-error {
  border-color: #c0392b !important;
  background: #fff5f5;
}

/* ── Gallery thumb active ── */
.gallery-thumb.active {
  border-color: var(--gold) !important;
}

/* ── Lightbox ── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.88);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  cursor: pointer;
}
.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-inner img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.lightbox-close {
  position: absolute;
  top: -.75rem;
  right: -.75rem;
  background: var(--gold);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
}

/* ── Tab pane ── */
.tab-pane { display: block; }
.tab-pane:not(.active) { display: none; }