/* Certificates page – enhanced card layout with PDF preview */

.certificates-page .hero-mini{padding:48px 0 24px}

.cert-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;margin:26px auto 60px}

.cert-card{
  grid-column:span 12;
  display:grid;
  grid-template-columns:240px 1fr;
  gap:18px;
  padding:18px;
  border-radius:16px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 28px rgba(0,0,0,.25);
  backdrop-filter: blur(10px);
}

.cert-preview{
  border-radius:14px;
  overflow:hidden;
  background:rgba(0,0,0,.35);
  border:1px solid rgba(255,255,255,.10);
  position:relative;
  aspect-ratio: 3 / 4;
}

.cert-preview::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.55));
  pointer-events:none;
}

.cert-preview-frame{
  width:100%;
  height:100%;
  border:0;
  display:block;
  transform: translateZ(0);
}

.cert-body{display:flex;flex-direction:column;min-width:0}

.cert-top{display:flex;gap:14px;align-items:flex-start}

.cert-mark{
  width:44px;height:44px;
  border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;
  letter-spacing:.04em;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
}

.cert-title{margin:0;font-size:18px;line-height:1.25}
.cert-sub{opacity:.78;margin-top:6px;font-size:13px}

.cert-info{margin-top:14px;display:grid;gap:10px}
.info-row{display:flex;justify-content:space-between;gap:14px;align-items:center}
.info-row span{opacity:.72;font-size:13px}
.info-row strong{font-weight:700;font-size:13px}

.cert-actions{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}

@media (min-width: 920px){
  .cert-card{grid-column:span 12}
}

@media (max-width: 820px){
  .cert-card{grid-template-columns: 1fr}
  .cert-preview{aspect-ratio: 16 / 9}
}