/* ========== PORTFOLIO PREVIEW SECTION ========== */
.portfolio-preview {
  padding: 4rem 0 5rem;
  background-color: #ffffff;
}

/* Filter Buttons */
.portfolio-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
  margin-bottom: 3rem;
  padding: 0 1rem;
}

.filter-btn {
  padding: 0.7rem 1.5rem;
  border: 1px solid var(--color-gray-medium);
  border-radius: 25px;
  background-color: #ffffff;
  color: var(--color-dark);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn.active,
.filter-btn:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.2);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.portfolio-card {
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.portfolio-card-thumb {
  position: relative;
  overflow: hidden;
  height: 220px;
  width: 100%;
}

.portfolio-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease-in-out;
}

.portfolio-card:hover .portfolio-card-thumb img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(var(--color-primary-rgb), 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.overlay-link {
  color: #ffffff;
  font-weight: 500;
  padding: 0.8rem 1.5rem;
  border: 1px solid #ffffff;
  border-radius: 4px;
  transition: all var(--transition-base);
}

.overlay-link:hover {
  background-color: #ffffff;
  color: var(--color-primary);
}

.portfolio-card h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 1.5rem 1.5rem 0.5rem;
  line-height: 1.3;
}

.portfolio-card p {
  font-size: 0.95rem;
  color: var(--color-gray-dark);
  margin: 0 1.5rem 1.2rem;
  flex-grow: 1;
}

.portfolio-meta {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0 1.5rem 1.8rem;
  font-size: 0.85rem;
  color: var(--color-gray-medium);
}

/* Load More Button */
.load-more-container {
  margin-top: 2rem !important;
}

.load-more-btn {
  padding: 0.9rem 2.2rem;
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.load-more-btn:hover {
  background-color: var(--color-primary-dark);
}

.load-more-btn:disabled {
  background-color: var(--color-gray-medium);
  cursor: not-allowed;
}


/* ========== CLIENT TESTIMONIAL SECTION ========== */
.client-testimonial {
  padding: 4rem 0 5rem;
  background-color: var(--color-gray-light);
  text-align: center;
}

.client-testimonial .section-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.client-testimonial .section-subtitle {
  font-size: 1rem;
  color: var(--color-gray-dark);
  max-width: 700px;
  margin: 0 auto 3rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 0 1rem;
}

.testimonial-card {
  background-color: #ffffff;
  padding: 2.2rem 2rem;
  border-radius: 8px;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
  text-align: left;
  position: relative;
  transition: transform var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-3px);
}

.testimonial-content p {
  font-size: 1rem;
  color: var(--color-gray-dark);
  line-height: 1.7;
  margin-bottom: 1.8rem;
  font-style: italic;
  position: relative;
}

.testimonial-content p::before {
  content: "“";
  font-size: 3rem;
  color: var(--color-primary-light);
  position: absolute;
  top: -15px;
  left: -5px;
  line-height: 1;
}

.testimonial-author h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
}


/* ========== RESPONSIVE BREAKPOINTS ========== */
@media (min-width: 576px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }

  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .portfolio-preview {
    padding: 5rem 0 6rem;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }

  .portfolio-card-thumb {
    height: 250px;
  }

  .client-testimonial {
    padding: 5rem 0 6rem;
  }

  .client-testimonial .section-title {
    font-size: 2.5rem;
  }

  .testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3.5rem;
  }

  .portfolio-filter {
    gap: 1.2rem;
    margin-bottom: 4rem;
  }

  .filter-btn {
    padding: 0.8rem 1.8rem;
    font-size: 1rem;
  }

  .portfolio-card-thumb {
    height: 280px;
  }
}

@media (max-width: 360px) {
  .portfolio-filter {
    gap: 0.6rem;
    margin-bottom: 2rem;
  }

  .filter-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }

  .portfolio-card-thumb {
    height: 200px;
  }

  .portfolio-card h4 {
    font-size: 1.15rem;
  }

  .client-testimonial .section-title {
    font-size: 1.8rem;
  }

  .testimonial-card {
    padding: 1.8rem 1.5rem;
  }

  .testimonial-content p {
    font-size: 0.95rem;
  }
}