.portfolio-hero {
  padding: var(--space-24) 0 var(--space-16);
  background-color: var(--color-bg);
}

.portfolio-hero__content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.portfolio-hero__label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.portfolio-hero__title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.portfolio-hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.portfolio-grid {
  padding: var(--space-8) 0 var(--space-24);
  background-color: var(--color-bg);
}

.portfolio-grid__wrapper {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-8);
}

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

@media (min-width: 1024px) {
  .portfolio-grid__wrapper {
    grid-template-columns: repeat(12, 1fr);
  }
  
  .portfolio-card--featured {
    grid-column: span 12;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
  }
  
  .portfolio-card--featured .portfolio-card__image-wrapper {
    aspect-ratio: 4/3;
  }
  
  .portfolio-card:not(.portfolio-card--featured) {
    grid-column: span 4;
  }
  
  .portfolio-card:nth-child(2),
  .portfolio-card:nth-child(3) {
    grid-column: span 6;
  }
}

.portfolio-card {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-neutral-200);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.portfolio-card__image-wrapper {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background-color: var(--color-bg-warm);
}

.portfolio-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.portfolio-card__content {
  padding: var(--space-8);
}

.portfolio-card--featured .portfolio-card__content {
  padding: var(--space-8) var(--space-8) var(--space-8) 0;
}

@media (max-width: 1023px) {
  .portfolio-card--featured {
    display: flex;
    flex-direction: column;
  }
  
  .portfolio-card--featured .portfolio-card__content {
    padding: var(--space-8);
  }
}

.portfolio-card__category {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.portfolio-card__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
  color: var(--color-text);
  font-family: var(--font-heading);
}

.portfolio-card--featured .portfolio-card__title {
  font-size: var(--text-3xl);
}

.portfolio-card__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.portfolio-card__link {
  margin-top: var(--space-2);
}

.portfolio-card__link-text {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}

.portfolio-card__link-text::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background-color: currentColor;
  margin-left: var(--space-2);
  transition: width var(--transition-fast);
}

.portfolio-card__link-text:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.portfolio-card__link-text:hover::after {
  width: 32px;
}

.portfolio-cta {
  padding: var(--space-24) 0;
  background-color: var(--color-bg-warm);
}

.portfolio-cta__wrapper {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.portfolio-cta__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.portfolio-cta__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
}

.portfolio-cta__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
}

@media (min-width: 640px) {
  .portfolio-cta__actions {
    flex-direction: row;
  }
}

@media (max-width: 768px) {
  .portfolio-hero {
    padding: var(--space-16) 0 var(--space-10);
  }
  
  .portfolio-hero__title {
    font-size: var(--text-4xl);
  }
  
  .portfolio-card__content {
    padding: var(--space-6);
  }
  
  .portfolio-card__title {
    font-size: var(--text-xl);
  }
  
  .portfolio-cta {
    padding: var(--space-16) 0;
  }
  
  .portfolio-cta__title {
    font-size: var(--text-3xl);
  }
}