/* ============================================================
   PORTFOLIO — Sectie 4
   Grid met afbeeldingen, per-card accentkleuren
   ============================================================ */

.portfolio {
  border-bottom: 1px solid var(--color-border);
}

/* Gelijkmatig 2×2 grid */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.project-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  position: relative;
  will-change: transform;
  transition: background-color var(--transition-base);
  /* Geen overflow:hidden hier — dat plat het 3D-effect in Safari */
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}
.project-card:hover {
  background-color: var(--color-bg-raised);
}

/* Afbeelding bovenaan de kaart */
.project-card__img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-bg-raised);
  position: relative;
  border-radius: 8px 8px 0 0;
}
.project-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(20%);
  transition: filter 0.7s var(--ease-out-expo);
}
.project-card:hover .project-card__img img {
  filter: grayscale(0%);
}

/* Tekstinhoud */
.project-card__content {
  padding: var(--space-6) var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.project-card__meta {
  display: flex;
  align-items: center;
}

.project-card h3 {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  transition: color var(--transition-fast);
  line-height: var(--leading-tight);
}
.project-card:hover h3 { color: var(--color-accent); }

.project-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: color var(--transition-fast), gap var(--transition-fast);
  margin-top: var(--space-2);
}
/* Stretched link — maakt de hele kaart klikbaar */
.project-card__link::after {
  content: '';
  position: absolute;
  inset: 0;
}
.project-card:hover .project-card__link {
  color: var(--color-accent);
  gap: var(--space-3);
}

@media (max-width: 640px) {
  .portfolio__grid { grid-template-columns: 1fr; }
}