/* Skills Overview */
.skills-overview {
  padding: var(--spacing-3xl) 0;
  background: var(--color-bg-primary);
}

.overview-stats {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .overview-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat-card {
  background: var(--color-bg-tertiary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.stat-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-lg);
  background: white;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stat-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* Technical Skills */
.technical-skills {
  padding: var(--spacing-4xl) 0;
  background: var(--color-bg-secondary);
}

.skills-grid {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.skill-category {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-border);
}

.category-header svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.category-header h3 {
  font-size: var(--font-size-2xl);
  margin: 0;
}

/* Skill Progress Bars */
.skills-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
}

.skill-level {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.skill-bar {
  height: 8px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: var(--radius-full);
  transition: width 1s ease;
  position: relative;
}

.skill-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Tech Badges */
.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tech-badge {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.tech-badge:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

/* Achievements Section */
.achievements-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-bg-primary);
}

.achievements-grid {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.achievement-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  display: flex;
  gap: var(--spacing-xl);
  transition: all var(--transition-base);
}

.achievement-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.achievement-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.achievement-icon.award {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.achievement-icon.bronze {
  background: linear-gradient(135deg, #cd7f32, #a86524);
  color: white;
}

.achievement-icon.competition {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: white;
}

.achievement-icon.language {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.achievement-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.achievement-event {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.achievement-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.achievement-date {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-bg-primary);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}

/* Soft Skills Section */
.soft-skills-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-bg-secondary);
}

.soft-skills-grid {
  display: grid;
  gap: var(--spacing-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .soft-skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .soft-skills-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.soft-skill-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all var(--transition-base);
}

.soft-skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.soft-skill-card svg {
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
}

.soft-skill-card h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.soft-skill-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Responsive Adjustments */
@media (max-width: 767px) {
  .achievement-card {
    flex-direction: column;
    text-align: center;
  }

  .achievement-icon {
    margin: 0 auto;
  }

  .stat-number {
    font-size: var(--font-size-4xl);
  }
}