#skills {
  padding: 80px 20px;
  text-align: center;
}

.skills-header {
  margin-bottom: 40px;
}

.skills-header .section-title {
  margin-bottom: 10px;
}

.skills-header p {
  font-size: 1.1rem;
  color: var(--secondary-text-color);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  max-width: 1000px;
  margin: 0 auto;
}

.skill-card {
  background-color: var(--card-bg-color);
  padding: 30px 20px;
  border-radius: 15px;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.skill-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-hover-shadow);
}

.skill-card .main-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  color: var(--primary-color);
  display: block;
}

.skill-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-text-color);
  margin-bottom: 20px; /* Add margin to separate from sub-skills */
}

.sub-skills {
  display: flex;
  justify-content: space-around;
  width: 100%;
}

.sub-skill {
  text-align: center;
}

.sub-skill i {
  font-size: 2rem;
  margin-bottom: 8px;
  color: var(--secondary-color);
}

.sub-skill h4 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--secondary-text-color);
}

.sub-skill img {
  width: 32px;
  height: 32px;
  margin-bottom: 8px;
}

/* Card-specific colors */
.frontend-card .main-icon { color: #61DAFB; }
.backend-card .main-icon { color: #6C63FF; }
.database-card .main-icon { color: #FF6B6B; }
.tools-card .main-icon { color: #FFD166; }

/* Light Mode Variables */
:root {
  --card-bg-color: #ffffff;
  --card-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  --card-hover-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  --border-color: #e0e0e0;
  --primary-text-color: #333;
  --secondary-text-color: #666;
  --primary-color: #474559;
  --secondary-color: #6C63FF;
}

/* Dark Mode Variables */
.dark-mode {
  --card-bg-color: #474559; /* Updated to requested color */
  --card-shadow: 0 4px 10px rgba(0, 0, 0, 0.3); /* Stronger shadow */
  --card-hover-shadow: 0 8px 20px rgba(0, 0, 0, 0.4); /* Stronger hover shadow */
  --border-color: #333; /* Darker border */
  --primary-text-color: #f0f0f0;
  --secondary-text-color: #a0a0a0;
  --primary-color: #7d75ff;
  --secondary-color: #9f97ff;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
  }
  
  .skill-card {
    padding: 20px 15px;
  }
  
  .skill-card .main-icon {
    font-size: 2.5rem;
  }
  
  .sub-skill i {
    font-size: 1.5rem;
  }
}

.skill-category-card {
  background-color: #474559;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  color: rgba(255,255,255,0.8);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.skill-category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.skill-category-card h3 {
  margin-bottom: 15px;
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-category-card h3 i {
  margin-right: 10px;
  font-size: 1.8rem;
}

.skill-category-card ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.skill-category-card li {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 10px;
  font-weight: 500;
}

.skill-category-card li:last-child {
  margin-bottom: 0;
}