.portfolio-hero {
  padding: var(--space-9) 0 var(--space-7);
  background-color: var(--color-bg-alt);
}

.portfolio-hero__image {
  width: 100%;
  height: 60vh;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.portfolio-section {
  padding: var(--space-9) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  max-width: 70ch;
  margin: 0 auto;
  color: var(--color-text-muted);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.portfolio-item img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
  display: block;
}

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

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.case-study {
  background-color: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.case-study:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.case-study h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.case-study p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.material-showcase {
  background-color: var(--color-bg-alt);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
}

.breadcrumb {
  display: flex;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  list-style: none;
  margin-bottom: var(--space-4);
}

.breadcrumb li:not(:last-child)::after {
  content: '>';
  margin-left: var(--space-2);
  color: var(--color-secondary);
}

.breadcrumb a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary-hover);
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 968px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
  
  #custom-fitting > div,
  #finishing > div {
    grid-template-columns: 1fr;
  }
  
  #custom-fitting .portfolio-item,
  #finishing .portfolio-item {
    order: -1;
  }
  
  .portfolio-item img {
    height: 300px;
  }
  
  .portfolio-hero__image {
    height: 40vh;
  }
}

@media (max-width: 640px) {
  .material-showcase {
    padding: var(--space-5);
  }
  
  .case-study {
    padding: var(--space-5);
  }
}