.portfolio-section {
  padding: 80px 0;
  margin-top: 60px;
  background: #fff;
  text-align: center;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: #b80000;
  margin-bottom: 10px;
}

.section-subtitle {
  font-size: 18px;
  color: #555;
  margin-bottom: 40px;
}

/* Filter Buttons */
.filter-buttons {
  margin-bottom: 50px;
}

.filter-btn {
  padding: 10px 22px;
  margin: 8px;
  border: 2px solid #b80000;
  background: none;
  color: #b80000;
  font-size: 16px;
  border-radius: 30px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: linear-gradient(45deg, #b80000, #ff4c4c);
  color: #fff;
  box-shadow: 0 4px 10px rgba(184, 0, 0, 0.3);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.1);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.portfolio-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

/* Hover effect */
.portfolio-card:hover img {
  transform: scale(1.1);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(184, 0, 0, 0.2);
}

/* Overlay info */
.portfolio-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(184, 0, 0, 0.85);
  color: #fff;
  padding: 15px 20px;
  text-align: left;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-info {
  transform: translateY(0);
}

.portfolio-info h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}