/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.portfolio-item {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 0.5rem;
  background-color: var(--color-white);
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(220, 97, 82, 0.3), 0 0 20px rgba(220, 97, 82, 0.1);
}

/* Portfolio Tags */
.portfolio-tags {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 5;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(220, 97, 82, 0.3);
}

.portfolio-item img {
  display: block;
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition-base);
}

.portfolio-item:hover img {
  opacity: 0.8;
}

/* Portfolio Overlay */
.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(48, 61, 78, 0.6), rgba(220, 97, 82, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease, background 0.3s ease;
  z-index: 10;
  backdrop-filter: blur(0px);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
  backdrop-filter: blur(2px);
}

.portfolio-overlay-content {
  text-align: center;
  color: var(--color-white);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay-content {
  transform: scale(1);
}

.portfolio-overlay-content i {
  font-size: 3rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.8;
  }
}

/* Responsive Grid */
@media (max-width: 992px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .portfolio-item img {
    height: 250px;
  }
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .portfolio-item img {
    height: 300px;
  }

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

  .portfolio-overlay {
    opacity: 1;
    background: linear-gradient(135deg, rgba(48, 61, 78, 0.7), rgba(220, 97, 82, 0.3));
  }

  .portfolio-overlay-content {
    transform: scale(1);
  }

  .tag {
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
  }
}