/* Filter Section */
.filter-section {
  padding: 40px 0;
  background-color: var(--gray);
}

.filter-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-button {
  background: none;
  border: none;
  padding: 10px 20px;
  margin: 0 10px 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: all 0.3s;
  border-radius: 30px;
}

.filter-button:hover,
.filter-button.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
}

/* Case Studies Grid */
.case-studies {
  padding: 80px 0;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.case-card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

.case-card:hover {
  transform: translateY(-10px);
}

.case-image {
  height: 220px;
  position: relative;
}

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

.case-category {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 5px 15px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
}

.case-content {
  padding: 30px;
}

.case-content h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--dark);
}

.case-content p {
  color: #666;
  margin-bottom: 20px;
}

.case-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}

.case-stat {
  text-align: center;
}

.case-stat h4 {
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 5px;
}

.case-stat p {
  font-size: 14px;
  color: #666;
  margin: 0;
}

.case-link {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s;
}

.case-link:hover {
  color: var(--secondary);
}

/* Featured Case Study */
.featured-case {
  padding: 80px 0;
  background-color: var(--gray);
}

.featured-case h2 {
  font-size: 36px;
  margin-bottom: 40px;
  text-align: center;
  color: var(--dark);
}

.featured-case-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.featured-case-image {
  height: 400px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.featured-case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-case-text h3 {
  font-size: 28px;
  margin-bottom: 20px;
  color: var(--dark);
}

.featured-case-text p {
  margin-bottom: 20px;
}

.result-item {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.result-icon {
  flex: 0 0 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-right: 15px;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .featured-case-content {
    grid-template-columns: 1fr;
  }
}