/* Enhanced Portfolio Card Styles */
.portfolio .portfolio-card {
  background: var(--surface-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.portfolio .portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.portfolio .portfolio-image {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.portfolio .portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.portfolio .portfolio-card:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio .portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio .portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio .view-details-btn {
  background: var(--accent-color);
  color: white;
  padding: 12px 24px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.portfolio .view-details-btn:hover {
  background: color-mix(in srgb, var(--accent-color), transparent 20%);
  color: white;
  transform: scale(1.05);
}

.portfolio .portfolio-content {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.portfolio .portfolio-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--heading-color);
  margin-bottom: 8px;
  line-height: 1.3;
}

.portfolio .portfolio-category {
  font-size: 14px;
  color: var(--accent-color);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.portfolio .portfolio-description {
  font-size: 15px;
  color: color-mix(in srgb, var(--default-color), transparent 30%);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.portfolio .read-more-link {
  color: var(--accent-color);
  font-weight: 500;
  font-size: 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s ease;
  margin-top: auto;
}

.portfolio .read-more-link:hover {
  color: color-mix(in srgb, var(--accent-color), transparent 20%);
  gap: 10px;
}

.portfolio .read-more-link i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.portfolio .read-more-link:hover i {
  transform: translateX(3px);
}

/* Portfolio Filter Enhancements */
.portfolio #portfolio-flters {
  padding: 0;
  margin: 0 auto 35px auto;
  list-style: none;
  text-align: center;
  background: var(--surface-color);
  border-radius: 50px;
  padding: 8px 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: inline-flex;
  gap: 5px;
}

.portfolio #portfolio-flters li {
  cursor: pointer;
  display: inline-block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
  transition: all 0.3s ease;
  border-radius: 25px;
}

.portfolio #portfolio-flters li:hover,
.portfolio #portfolio-flters li.filter-active {
  color: var(--contrast-color);
  background: var(--accent-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .portfolio .portfolio-image {
    height: 180px;
  }
  
  .portfolio .portfolio-content {
    padding: 20px;
  }
  
  .portfolio .portfolio-title {
    font-size: 18px;
  }
  
  .portfolio .view-details-btn {
    padding: 10px 20px;
    font-size: 13px;
  }
  
  .portfolio #portfolio-flters {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .portfolio #portfolio-flters li {
    padding: 8px 15px;
    font-size: 13px;
    margin: 2px;
  }
}

/* Loading animation */
.portfolio-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
}

.portfolio-loading .spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 95, 34, 0.1);
  border-left: 4px solid var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}