/* Light, clean cards for Certifications */
#certs .cs-card {
  background: #fff;
  border: 1px solid #e5e7eb; /* slate-200 */
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
#certs .cs-card:hover {
  box-shadow: 0 6px 28px rgba(16, 24, 40, 0.08),
    0 2px 8px rgba(16, 24, 40, 0.06);
  transform: translateY(-1px);
}

#certs .cs-media {
  position: relative;
  aspect-ratio: 4/3;
  background: #f8fafc; /* slate-50 */
  border-bottom: 1px solid #f1f5f9; /* slate-100 */
  overflow: hidden;
}
#certs .cs-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.001);
  transition: transform 0.4s ease;
  display: block;
}
#certs .cs-card:hover .cs-media img {
  transform: scale(1.02);
}

/* ======== Zoom button (identical to cs-close) ======== */
#certs .cs-zoom {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px) saturate(140%);
  -webkit-backdrop-filter: blur(6px) saturate(140%);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 0.12s cubic-bezier(0.25, 0.8, 0.25, 1),
              background 0.2s,
              border-color 0.2s;
}
#certs .cs-zoom:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.4);
}
#certs .cs-zoom svg {
  width: 18px;
  height: 18px;
  stroke: #fff;
  stroke-width: 2;
  fill: none;
}

/* ======== Metadata (light text) ======== */
#certs .cs-meta {
  padding: 12px 14px;
  background: #fff;
}
#certs .cs-title {
  font-weight: 600;
  color: #0f172a;
  line-height: 1.4;
}
#certs .cs-sub {
  margin-top: 2px;
  font-size: 0.875rem;
  color: #64748b;
}

/* Smaller aspect ratio on desktop */
@media (min-width:1024px) {
  #certs .cs-media {
    aspect-ratio: 3/2;
  }
}