:root {
  --color-forest: #102f28;
  --color-paper: #faf9f5;
  --color-accent: #c5a45a;
  --color-ink: #1e2d28;
  --color-muted: #697770;
  --color-border: #dfe5df;
}

.portfolio-card {
  display: grid;
  gap: 0.75rem;
  padding: 1.25rem;
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
}

.portfolio-card__title {
  margin: 0;
  color: var(--color-forest);
  font: 600 1.25rem/1.3 Georgia, serif;
}

.portfolio-card__summary {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.7;
}

@media (min-width: 48rem) {
  .portfolio-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
}