/*--------------------------------------------------------------
# Skills Section - Skill Tree
--------------------------------------------------------------*/
.skills-tree ul {
  padding-left: 20px;
  list-style-type: none;
  position: relative;
}

.skills-tree li {
  margin: 10px 0;
  padding-left: 20px;
  position: relative;
  cursor: pointer;
}

.skills-tree li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  border-left: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  width: 20px;
  height: 50%;
}

.skills-tree li::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  border-left: 1px solid #ccc;
  height: 100%;
}

.skills-tree li:last-child::after {
  display: none;
}

.skills-tree li > span {
  display: block;
  padding: 5px;
  background-color: #f0f0f0;
  border-radius: 5px;
  transition: background-color 0.3s;
}

.skills-tree li > span:hover {
  background-color: #e0e0e0;
}

.skills-tree .collapsed > ul {
  display: none;
}

.skills-tree .parent-skill {
  font-weight: bold;
}

/*--------------------------------------------------------------
# Certifications Section
--------------------------------------------------------------*/
.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.certification-card {
  background-color: #fff;
  border: 1px solid #e9ecef;
  border-left: 5px solid #149ddd;;
  padding: 20px;
  border-radius: 5px;
  transition: transform 0.2s;
}

.certification-card:hover {
    transform: translateY(-5px);
}

.certification-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
}

.credential-link {
  display: inline-block;
  margin-top: 15px;
  padding: 8px 15px;
  background-color: #149ddd;
  color: white;
  text-decoration: none;
  border-radius: 50px;
  transition: background-color 0.3s;
  border: none;
}

.credential-link:hover {
    background-color: #0056b3;
}



.certification-card .card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.certification-card .issuer-logo {
    height: 40px;
    width: auto;
}