/* ── Portfolio Section ── */
#portfolio {
  background: #0a0a0a;
  padding: 140px 40px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  max-width: 1400px;
  margin: 0 auto;
}

.portfolio-item:first-child {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #111;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.portfolio-item:hover img {
  transform: scale(1.06);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.85) 0%,
    rgba(0,0,0,0.2) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #ffffff;
  margin: 0 0 4px;
  transform: translateY(8px);
  transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay-title {
  transform: translateY(0);
}

.portfolio-overlay-year {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #c9a84c;
  margin: 0;
  transform: translateY(8px);
  transition: transform 0.4s ease 0.05s;
}

.portfolio-item:hover .portfolio-overlay-year {
  transform: translateY(0);
}

.portfolio-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #c9a84c;
  transition: width 0.4s ease;
}

.portfolio-item:hover::after {
  width: 100%;
}

@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .portfolio-item:first-child {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  #portfolio {
    padding: 60px 20px;
  }
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
  }
  .portfolio-item:first-child {
    grid-column: span 2;
  }
}

@media (max-width: 480px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-item:first-child {
    grid-column: span 1;
  }

@media (max-width: 900px) {

  #portfolio {
    padding-top: 80px;
  }
}
}

#portfolio .section-title {
  margin-bottom: 30px;
}

/* ── Project page link wrapper ── */
.portfolio-item-link {
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
}

/* Mobile: always show overlay */
@media (max-width: 768px) {
  .portfolio-overlay {
    opacity: 1;
  }
  .portfolio-overlay-title,
  .portfolio-overlay-year {
    transform: translateY(0);
  }
}