.ts-portfolio-v4 {
  padding: 5rem 0;
}

.ts-portfolio-v4__header {
  text-align: center;
  margin-bottom: 3rem;
}

.ts-portfolio-v4__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--color-text);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.ts-portfolio-v4__desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin: 0 auto;
  max-width: 600px;
  line-height: 1.7;
}

.ts-portfolio-v4__list {
  display: flex;
  flex-direction: column;
}

.ts-portfolio-v4__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  cursor: pointer;
}

.ts-portfolio-v4__item:first-child {
  border-top: 1px solid var(--color-border);
}

.ts-portfolio-v4__item-info {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
}

.ts-portfolio-v4__item-name {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  transition: color var(--transition-fast);
}

.ts-portfolio-v4__item:hover .ts-portfolio-v4__item-name {
  color: var(--color-primary);
}

.ts-portfolio-v4__item-cat {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.ts-portfolio-v4__item-year {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.ts-portfolio-v4__item-preview {
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 10;
}

.ts-portfolio-v4__item:hover .ts-portfolio-v4__item-preview {
  opacity: 1;
}

.ts-portfolio-v4__item-img {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

@media (max-width: 767px) {
  .ts-portfolio-v4__item-preview {
    display: none;
  }
}

@media (min-width: 1024px) {
  .ts-portfolio-v4 {
    padding: 7rem 0;
  }

  .ts-portfolio-v4__item {
    padding: 2rem 0;
  }

  .ts-portfolio-v4__item-preview {
    width: 280px;
  }
}