.portfolio-section {
  padding: 90px 0;
  background: linear-gradient(180deg, #f8f9fc 0%, #ffffff 100%);
  overflow: hidden;
}

.portfolio-hero {
  text-align: center;
  margin-bottom: 50px;
}

.portfolio-badge {
  display: inline-block;
  padding: 8px 18px;
  background: rgba(0, 0, 0, 0.06);
  color: #111;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}

.portfolio-title {
  font-size: 44px;
  font-weight: 800;
  color: #111827;
  margin-bottom: 14px;
  line-height: 1.2;
}

.portfolio-subtitle {
  max-width: 680px;
  margin: 0 auto;
  font-size: 17px;
  color: #6b7280;
  line-height: 1.8;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.portfolio-card {
  cursor: pointer;
  border-radius: 22px;
  overflow: hidden;
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.portfolio-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
}

.portfolio-image-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  background: #000;
}

.portfolio-image {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.6s ease, opacity 0.4s ease;
}

.portfolio-card:hover .portfolio-image {
  transform: scale(1.08);
  opacity: 0.9;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.05) 10%,
    rgba(0, 0, 0, 0.75) 100%
  );
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

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

.portfolio-content {
  transform: translateY(20px);
  transition: transform 0.4s ease;
}

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

.portfolio-category {
  color: #d1d5db;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.portfolio-content h4 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}

.portfolio-link {
  display: inline-block;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.65);
}

/* Responsive */
@media (max-width: 1199px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .portfolio-title {
    font-size: 38px;
  }
}

@media (max-width: 991px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-image {
    height: auto;
  }

  .portfolio-title {
    font-size: 34px;
  }
}

@media (max-width: 576px) {
  .portfolio-section {
    padding: 70px 0;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .portfolio-title {
    font-size: 28px;
  }

  .portfolio-subtitle {
    font-size: 15px;
  }

  .portfolio-image {
    height: auto;
  }
}