.portfolio {
  padding: 80px 0px;
  background: #fff;
}

.portfolio>p {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.portfolio h1,
.portfolio h2 {
  color: var(--primary-color);
  font-size: 2.5rem;
  margin-bottom: 40px;
  text-align: center;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding: 20px;
  max-width: 1640px;
  margin: 20px auto 0;
}

@media (max-width: 1500px) {
  .portfolio-content {
    margin-bottom: 20px;
  }

  .portfolio-item {
    display: block;
    margin-bottom: 40px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .portfolio-images {
    max-width: 600px;
    margin: 0 auto;
  }
}

.portfolio-item {
  display: flex;
  gap: 2rem;
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.portfolio-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
}

.portfolio-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.portfolio-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: #333;
}

.portfolio-meta {
  margin-bottom: 1rem;
  color: #666;
}

.portfolio-meta span {
  display: block;
  margin-bottom: 0.5rem;
}

.portfolio-description {
  flex: 1;
  color: var(--text-color);
  line-height: 1.6;
}

.portfolio-description ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.portfolio-description ul li {
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}

.portfolio-description ul li:before {
  content: '•';
  color: var(--primary-color);
  font-size: 20px;
  left: 0;
  position: absolute;
  top: -5px;
}

.portfolio-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  width: 100%;
  max-width: 400px;
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  transition: all 0.3s ease;
}

.portfolio-image img {
  width: 100%;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.portfolio-image:hover img {
  transform: scale(1.05);
}

.portfolio-title {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.portfolio-meta {
  color: var(--text-color);
  font-size: 1rem;
}

.portfolio-meta span {
  display: block;
  margin-bottom: 5px;
}

.portfolio-description {
  color: var(--text-color);
  line-height: 1.6;
}

/* Lightbox styles */
.lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  justify-content: center;
  align-items: center;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
  transition: transform 0.3s ease;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 32px;
  color: white;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: 10000;
}

@media (max-width: 1000px) {
  .portfolio-grid {
    display: block;
    padding: 0 20px;
  }

  .portfolio-item {
    display: block;
    margin-bottom: 40px;
    padding: 20px;
    background: var(--background-color);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }

  .portfolio-content {
    margin-bottom: 30px;
  }

  .portfolio-images {
    width: 100%;
    max-width: none;
    margin: 0 auto;
    aspect-ratio: 0;
  }

  .portfolio-image {
    width: 100%;
    max-width: none;
    margin: 0px auto;
    aspect-ratio: 0;
  }
}

@media (max-width: 850px) {
  .portfolio-content {
    width: 100%;
    margin: 0 0 30px;
  }

  .portfolio-image {
    width: 100%;
    max-width: none;
    margin: 0px auto;
    aspect-ratio: 0;
    height: auto;
  }

  .portfolio-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
  }

  .portfolio-description ul {
    padding-left: 0;
    list-style-position: inside;
  }
}

@media (max-width: 650px) {
  .portfolio-images {
    width: 100%;
    max-width: none;
    margin: 0 auto;
    aspect-ratio: 0;
  }

  .portfolio-images {
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
  }
}

/* Portfolio Filter Tabs */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 40px auto 40px;
  flex-wrap: wrap;
  max-width: 800px;
  padding: 0 20px;
}

.filter-btn {
  background: #fff;
  border: 1px solid #ddd;
  color: var(--secondary-color);
  padding: 10px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.filter-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.filter-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
  box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
}

/* Portfolio filtering transitions */
.portfolio-item {
  transition: opacity 0.4s ease, transform 0.4s ease;
  opacity: 1;
  transform: scale(1);
}

.portfolio-item.filtered-out {
  opacity: 0;
  transform: scale(0.92);
}