/* Enhanced Certificate Section Styling */

/* Certificate Section Header */
#certificates .section-header {
  margin-bottom: 2.5rem;
  text-align: center;
  position: relative;
}

#certificates .section-title {
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  display: inline-block;
  font-weight: 700;
  padding-bottom: 0.75rem;
  letter-spacing: 1px;
}

#certificates .section-title::after {
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
  height: 4px;
  border-radius: 4px;
  width: 80px;
  box-shadow: 0 2px 4px rgba(var(--primary-color-rgb), 0.3);
  transition: width 0.3s ease;
}

#certificates:hover .section-title::after {
  width: 120px;
}

/* Certificate Filters Animation */
#certificates .section-filters {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

#certificates .filter-btn {
  background: var(--surface-color);
  border: 1px solid rgba(var(--border-color-rgb), 0.1);
  color: var(--text-secondary);
  padding: 0.5rem 1.25rem;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

#certificates .filter-btn:hover {
  background: rgba(var(--primary-color-rgb), 0.1);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

#certificates .filter-btn.active {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(var(--primary-color-rgb), 0.3);
}

/* Certificate Animation Refinements */
.certificate-card {
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              box-shadow 0.5s ease,
              opacity 0.5s ease,
              border-left 0.3s ease;
}