/* ================================
   Blog Filters
================================ */
.filter-btn {
  background: #fff;
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 12px 28px;
  margin: 8px;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.5px;
  transition: all 0.3s ease, transform 0.2s ease;
  box-shadow: 0 3px 6px rgba(0,0,0,0.05);
}

.filter-btn:hover {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(26,115,232,0.25);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 6px 15px rgba(26,115,232,0.35);
}