.certificate-section {
  padding: 5rem 5% 3rem 5%;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.certificate-section h1 {
  text-align: center;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 3rem;
  font-weight: 800;
}

.certificate-section h1 span {
  background: linear-gradient(45deg, var(--span-bg), var(--button-bg));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.certificate-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.received-certificates {
  background: rgba(var(--bg-secondary), 0.5);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.received-certificates:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  border-color: var(--active-bg);
}

.received-certificates img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  transition: transform 0.3s ease;
}

.received-certificates img:hover {
  transform: scale(1.02);
}

@media (max-width: 768px) {
  .certificate-section {
    padding: 3rem 2rem;
  }

  .certificate-list {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}