/* ══════════════════════════════════
   CERTIFICATIONS SECTION
══════════════════════════════════ */
#certifications { background: var(--bg); }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1.25rem;
}

.cert-card {
  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 1.75rem 1.5rem;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: all 0.35s;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
}
.cert-card::before {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  transform: scaleX(0);
  transition: transform 0.35s;
}
.cert-card:hover { border-color: rgba(0,255,136,0.28); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.45); }
.cert-card:hover::before { transform: scaleX(1); }

.cert-badge {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1rem;
  position: relative;
}
.cert-badge::after {
  content: '';
  position: absolute; inset: -3px;
  border-radius: 50%;
  background: conic-gradient(var(--green), var(--cyan), var(--purple), var(--green));
  z-index: -1;
  animation: spin 4s linear infinite;
  opacity: 0;
  transition: opacity 0.3s;
}
.cert-card:hover .cert-badge::after { opacity: 0.4; }

.cert-name {
  font-family: 'Orbitron', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}
.cert-issuer {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 1px;
}
.cert-date {
  font-size: 0.68rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
  font-family: 'Share Tech Mono', monospace;
}
.cert-verify {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  color: var(--green);
  margin-top: 0.75rem;
  letter-spacing: 1px;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.cert-card:hover .cert-verify { opacity: 1; }