.oer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.oer-card {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  background: var(--paper);
  border: 1px solid var(--cream3);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(13,27,42,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.oer-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(26,42,58,0.16);
  border-color: rgba(3,70,148,0.25);
}

.oer-card-banner {
  position: relative;
  display: block;
  flex: 0 0 42%;
  min-width: 240px;
  overflow: hidden;
  background: var(--cream2);
  border-right: 1px solid var(--cream3);
  padding: 0;
  margin: 0;
  border-left: none;
  border-top: none;
  border-bottom: none;
  appearance: none;
  font: inherit;
  text-align: left;
}

button.oer-card-banner-zoomable { cursor: zoom-in; }

.oer-card-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.5s ease;
}

.oer-card:hover .oer-card-banner img { transform: scale(1.06); }

.oer-card-zoom-hint {
  position: absolute;
  right: 14px;
  top: 14px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13,27,42,0.72);
  color: var(--ivory);
  border-radius: 50%;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.oer-card-banner-zoomable:hover .oer-card-zoom-hint {
  opacity: 1;
  transform: translateY(0);
}

.oer-card-banner-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--mid);
}

.oer-card-icon {
  position: absolute;
  left: 16px;
  top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--blue);
  box-shadow: 0 8px 18px rgba(13,27,42,0.18);
}

.oer-card-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 28px 32px;
  justify-content: center;
}

.oer-card-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 12px;
}

.oer-card-desc {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mid);
  margin: 0 0 22px;
  flex: 0 1 auto;
}

.oer-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
  padding: 10px 18px;
  border-radius: var(--r-md);
  background: rgba(3,70,148,0.06);
  transition: background 0.2s ease, color 0.2s ease, gap 0.2s ease;
}

.oer-card-cta:hover {
  background: var(--blue);
  color: var(--ivory);
  gap: 11px;
}

.oer-license {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  background: var(--cream2);
  border-radius: var(--r-lg);
  padding: 28px 32px;
  border: 1px solid var(--cream3);
}

.oer-license-icon {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(3,70,148,0.1);
  color: var(--blue);
}

.oer-license-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 8px;
}

.oer-license-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--dark);
  margin: 0 0 10px;
}

.oer-license-desc a {
  color: var(--blue);
  font-weight: 600;
  text-decoration: underline;
}

.oer-license-ref {
  font-size: 12px;
  color: var(--mid);
  margin: 0;
  font-style: italic;
}

@media (max-width: 860px) {
  .oer-card { flex-direction: column; }
  .oer-card-banner {
    flex: 0 0 auto;
    min-width: 0;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-right: none;
    border-bottom: 1px solid var(--cream3);
  }
}

@media (max-width: 640px) {
  .oer-grid { gap: 16px; }
  .oer-card-body { padding: 24px 20px; }
  .oer-license { flex-direction: column; padding: 24px; }
}


.oer-lightbox {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.oer-lightbox.active { visibility: visible; opacity: 1; }

.oer-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13,27,42,0.8);
}

.oer-lightbox-panel {
  position: relative;
  max-width: 900px;
  width: 100%;
  max-height: 88vh;
  background: var(--cream);
  border-radius: var(--r-lg);
  padding: 20px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4);
  transform: translateY(24px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.oer-lightbox.active .oer-lightbox-panel { transform: translateY(0) scale(1); }

.oer-lightbox-panel img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: var(--r-md);
  background: var(--paper);
}

.oer-lightbox-title {
  margin: 0;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--dark);
}

.oer-lightbox-close {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border: none;
  border-radius: 50%;
  color: var(--dark);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: background 0.15s, color 0.15s;
}

.oer-lightbox-close:hover { background: var(--blue); color: var(--ivory); }

@media (max-width: 640px) {
  .oer-lightbox-panel { padding: 16px; }
  .oer-lightbox-close { top: 8px; right: 8px; }
}