.certificate-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:24px}
.certificate-card{overflow:hidden;background:var(--card);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .3s}
.certificate-card:hover{border-color:var(--accent)}
.certificate-image{height:220px;overflow:hidden}
.certificate-image img{width:100%;height:100%;object-fit:cover}
.certificate-content{padding:24px}
.certificate-content h3{font-size:1.25rem;font-weight:600;margin:16px 0 8px}
.certificate-content p{color:var(--muted);line-height:1.7;margin-bottom:14px}
.issuer{display:flex;align-items:center;gap:12px}
.issuer img{width:38px;height:38px;border-radius:50%;background:#fff;padding:5px}
.issuer span{font-weight:500}
.certificate-info{color:var(--muted);font-size:.9rem;margin-bottom:20px}
.certificate-btn{display:inline-flex;padding:10px 22px;border-radius:10px;border:1px solid var(--accent);color:var(--accent);transition:background .25s,color .25s}
.certificate-btn:hover{background:var(--accent);color:var(--ink)}