.portfolio {
  padding-block: 6rem;
  overflow: hidden;
}

.portfolio-head {
  max-width: 40rem;
  margin-bottom: 3.5rem;
}
.portfolio-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-top: 0.75rem;
}
.portfolio-subtitle {
  margin-top: 1rem;
  color: var(--muted-foreground);
  font-size: 1.05rem;
}

.portfolio-fan {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 2.5rem 1.75rem;
}

.portfolio-card {
  --settle-rotate: 0deg;
  --settle-y: 0px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(48px) rotate(calc(var(--settle-rotate) * 3)) scale(0.94);
  transition: opacity 900ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 900ms cubic-bezier(0.16, 1, 0.3, 1),
              background-color var(--duration-base) var(--ease-luxe),
              border-color var(--duration-base) var(--ease-luxe);
  transition-delay: var(--delay, 0ms);
}
.portfolio-fan.is-visible .portfolio-card {
  opacity: 1;
  transform: translateY(var(--settle-y)) rotate(var(--settle-rotate)) scale(1);
}

.portfolio-card:nth-child(4n+1) { --settle-rotate: -3deg; --settle-y: 14px; }
.portfolio-card:nth-child(4n+2) { --settle-rotate: 2deg; --settle-y: -10px; }
.portfolio-card:nth-child(4n+3) { --settle-rotate: -2deg; --settle-y: 10px; }
.portfolio-card:nth-child(4n+4) { --settle-rotate: 3deg; --settle-y: -6px; }

.portfolio-card:hover {
  transform: translateY(calc(var(--settle-y) - 6px)) rotate(0deg) scale(1.015) !important;
  box-shadow: var(--shadow-xl);
  transition-duration: 380ms;
}

.portfolio-card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--muted);
}
.portfolio-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}
.portfolio-card:hover .portfolio-card-media img {
  transform: scale(1.05);
}

.portfolio-card-body {
  padding: 1.5rem;
}
.portfolio-card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sage-600);
}
.portfolio-card-title {
  font-size: 1.2rem;
  margin-top: 0.5rem;
}
.portfolio-card-desc {
  margin-top: 0.4rem;
  font-size: 0.9rem;
  color: var(--muted-foreground);
}
.portfolio-card-link {
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sage-700);
}

.portfolio-card--placeholder {
  /* opaque, like every other card — a transparent one would let the
     decorative background line show straight through it */
  background: var(--background);
  border: 1px dashed var(--border);
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 18rem;
  text-align: center;
}
.portfolio-card--placeholder .portfolio-card-body {
  color: var(--muted-foreground);
}
.portfolio-card--placeholder:hover {
  box-shadow: none !important;
  border-color: var(--sage-400);
}

@media (max-width: 760px) {
  .portfolio { padding-block: 4rem; }
  .portfolio-head { margin-bottom: 2rem; }
  .portfolio-fan { gap: 1.5rem; }
  .portfolio-card--placeholder { display: none; }
  .portfolio-card:nth-child(4n+1) { --settle-rotate: -0.8deg; --settle-y: 0px; }
  .portfolio-card:nth-child(4n+2) { --settle-rotate: 0.8deg; --settle-y: 0px; }
  .portfolio-card:nth-child(4n+3) { --settle-rotate: -0.8deg; --settle-y: 0px; }
  .portfolio-card:nth-child(4n+4) { --settle-rotate: 0.8deg; --settle-y: 0px; }
}

/* phones: the heading stays on one line, scaling with the screen's width */
@media (max-width: 560px) {
  .portfolio-title {
    font-size: clamp(1.15rem, 6.3vw, 2rem);
    white-space: nowrap;
  }
}