/* Certificates Section */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.certificate-card {
  background: white;
  border-radius: 8px;
  padding: 25px;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  z-index: 1;
  cursor: pointer;
}

.certificate-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
  transition: transform 0.4s ease;
  transform: scaleY(0);
  transform-origin: top;
}

.certificate-card:hover {
  transform: translateY(-10px) rotate(1deg);
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.1);
}

.certificate-card:hover::before {
  transform: scaleY(1);
}

.certificate-header {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.certificate-header i {
  font-size: 1.8rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-right: 15px;
  transition: transform 0.5s ease;
}

.certificate-card:hover .certificate-header i {
  transform: rotateY(180deg);
}

.certificate-header h3 {
  font-size: 1.2rem;
  color: var(--dark);
  transition: color 0.3s ease;
}

.certificate-card:hover .certificate-header h3 {
  color: var(--primary);
}

.issuer {
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 5px;
}

.date {
  color: var(--dark-gray);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .certificates-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 576px) {
  .certificates-grid {
    grid-template-columns: 1fr;
  }
}