.page-header {
  margin-top: 5%;
  background: linear-gradient(
    135deg,
    rgba(211, 205, 190, 0.5) 0%,
    rgba(164, 102, 74, 0.3) 100%
  );
  padding: 6rem 0;
  text-align: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.page-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Filter Buttons */
.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid rgba(99, 102, 241, 0.3);
  background: transparent;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--text-primary);
  font-size: 0.95rem;
}

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

/* Projects Grid */
.projects-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.project-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

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

.project-card:hover .portfolio-image img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(99, 102, 241, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.overlay-content {
  text-align: center;
  color: white;
}

.overlay-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.overlay-content p {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.portfolio-link {
  width: 50px;
  height: 50px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  margin: 0 auto;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

.portfolio-link:hover {
  transform: scale(1.1);
  background: var(--primary-color);
  color: white;
}

.portfolio-info {
  padding: 1.5rem;
}

.portfolio-info h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.portfolio-info > p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.portfolio-tech span {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--primary-color);
  font-weight: 600;
}

/* Hidden by default, shown by filter */
.project-card.hidden {
  display: none;
}