/* ==========================================================================
   certifications.css — certificate cards + custom lightbox
   ========================================================================== */

.cert-card {
  text-align: center;
  padding: 1rem;
  cursor: pointer;
  position: relative;
}
.cert-card img {
  width: 100%;
  background: var(--clr-white);
  margin-bottom: 1rem;
  transition: transform .25s ease;
}
.cert-card:hover img { transform: scale(1.04); }

.cert-zoom-icon {
  position: absolute;
  top: .75rem;
  right: .75rem;
  z-index: 2;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--grad-orange);
  color: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  opacity: 0;
  transform: scale(.8);
  transition: opacity .2s ease, transform .2s ease;
}
.cert-card:hover .cert-zoom-icon,
.cert-card:focus-visible .cert-zoom-icon { opacity: 1; transform: scale(1); }

.aims-theme .cert-card h3 { font-size: .95rem; margin-bottom: .25rem; }
.aims-theme .cert-card p  { font-size: .8rem; color: var(--clr-text-muted); margin-bottom: 0; }

/* ---------- Lightbox ---------- */
.cert-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1080;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
.cert-lightbox.active { opacity: 1; visibility: visible; }
.cert-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 40, 24, .92);
}
.cert-lightbox-dialog {
  position: relative;
  z-index: 2;
  background: var(--clr-white);
  border-radius: 16px;
  padding: 1.5rem;
  max-width: min(92vw, 640px);
  max-height: 90vh;
  overflow-y: auto;
  text-align: center;
  transform: scale(.96);
  transition: transform .25s ease;
}
.cert-lightbox.active .cert-lightbox-dialog { transform: scale(1); }
#certLightboxImg {
  max-width: 100%;
  max-height: 55vh;
  width: auto;
  object-fit: contain;
  border: 1px solid var(--clr-border);
  border-radius: 10px;
}
.cert-lightbox-caption { margin-top: 1.25rem; }
.cert-lightbox-caption h3 { margin-bottom: .35rem; }
.aims-theme .cert-lightbox-caption p { color: var(--clr-text-muted); margin-bottom: 1rem; }

.aims-theme .cert-lightbox-close,
.aims-theme .cert-lightbox-nav {
  position: absolute;
  z-index: 3;
  width: 46px;
  height: 46px;
  padding: 0;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.15);
  color: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: background .2s ease;
}
.aims-theme .cert-lightbox-close:hover,
.aims-theme .cert-lightbox-nav:hover,
.aims-theme .cert-lightbox-close:focus,
.aims-theme .cert-lightbox-nav:focus { background: var(--grad-orange); color: var(--clr-white); }
.cert-lightbox-close { top: 1.5rem; right: 1.5rem; }
.cert-lightbox-prev  { left: 1rem;  top: 50%; transform: translateY(-50%); }
.cert-lightbox-next  { right: 1rem; top: 50%; transform: translateY(-50%); }
body.lightbox-open { overflow: hidden; }

@media (max-width: 575.98px) {
  .cert-lightbox-prev, .cert-lightbox-next { top: auto; bottom: 1rem; transform: none; }
}