/* Cases are presented as product previews with a dedicated QR scan area. */
.case-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.case-card {
  padding: 18px;
  border: 1px solid #e3ebf7;
  border-radius: 24px;
  background: linear-gradient(180deg,#fff 0%,#fbfdff 100%);
  box-shadow: 0 18px 44px rgba(20, 44, 87, .08);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.case-card:hover {
  border-color: #cddcf4;
  box-shadow: 0 24px 54px rgba(20, 44, 87, .13);
  transform: translateY(-3px);
}

.case-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 128px;
  align-items: stretch;
  gap: 14px;
}

.case-phone { min-height: 218px; border-radius: 18px; box-shadow: inset 0 1px 0 rgba(255,255,255,.25); }

.case-qr {
  display: flex;
  min-width: 0;
  padding: 14px 10px 12px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid #e2e9f4;
  border-radius: 18px;
  background: linear-gradient(180deg,#fff 0%,#f8fbff 100%);
  text-align: center;
}

.home-case-qr-image {
  display: block;
  width: 96px;
  height: 96px;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(20, 33, 59, .12);
}

.qr-code {
  position: relative;
  width: 86px;
  aspect-ratio: 1;
  overflow: hidden;
  border: 6px solid #fff;
  background-color: #fff;
  background-image: linear-gradient(90deg, #14213b 25%, transparent 25%, transparent 75%, #14213b 75%), linear-gradient(#14213b 25%, transparent 25%, transparent 75%, #14213b 75%);
  background-size: 12px 12px;
  box-shadow: 0 2px 9px rgba(20, 33, 59, .13);
}

.qr-code::before, .qr-code::after, .qr-code em:first-child {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 5px solid #14213b;
  background: #fff;
  content: '';
}

.qr-code::before { top: 0; left: 0; }
.qr-code::after { top: 0; right: 0; }
.qr-code em:first-child { bottom: 0; left: 0; }
.qr-code em:nth-child(2) { position:absolute; right:7px; bottom:12px; width:14px; height:14px; background:#14213b; }
.qr-code em:nth-child(3) { position:absolute; left:36px; top:37px; width:11px; height:11px; background:#14213b; }
.qr-2 { background-position: 4px 5px, 4px 5px; }
.qr-3 { background-position: 8px 1px, 8px 1px; }
.qr-4 { background-position: 2px 9px, 2px 9px; }

.case-qr strong { margin-top: 10px; color: #101d37; font-size: 15px; }
.case-qr small { margin-top: 3px; color: #7c8aa5; font-size: 12px; }
.case-copy { padding: 16px 4px 4px; }
.case-copy h3 { margin: 0 0 7px; color:#111d38; font-size:21px; }
.case-copy p { margin: 0; color:#65738d; line-height:1.75; }
.case-more { margin-top: 30px; }

@media (max-width: 820px) {
  .case-grid { grid-template-columns: 1fr; }
}

@media (max-width: 440px) {
  .case-main { grid-template-columns: minmax(0, 1fr) 105px; gap: 10px; }
  .case-qr { padding-inline: 5px; }
  .qr-code { width: 72px; }
}