/* css/expertise.css */

.expertise-section {
  background: var(--bg-color);
  border-top: 1px solid var(--border-color);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.expertise-category {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.expertise-category:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.6), inset 0 0 20px rgba(255, 255, 255, 0.03);
  transform: translateY(-8px) scale(1.02);
}

.expertise-category h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.expertise-category h3::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-secondary);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
}

.tags span {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: default;
}

.tags span:hover {
  background: var(--text-primary);
  color: var(--bg-color);
  border-color: var(--text-primary);
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}