/* ===============================
   PORTFOLIO PREVIEW
================================ */
.portfolio-preview {
  padding: 90px 0;
  background: #ffffff;
}

/* ===============================
   PORTFOLIO GRID
================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 60px 0;
}

/* ===============================
   PORTFOLIO ITEM
================================ */
.portfolio-item {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 22px 55px rgba(15, 23, 42, 0.12);
  transition: all 0.4s ease;
  position: relative;
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 75px rgba(15, 23, 42, 0.2);
}

/* ===============================
   IMAGE WRAPPER
================================ */
.portfolio-img {
  position: relative;
  overflow: hidden;
}

.portfolio-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

/* ===============================
   OVERLAY
================================ */
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.15),
    rgba(15, 23, 42, 0.9)
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 30px;
  opacity: 0;
  transition: all 0.4s ease;
}

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

/* ===============================
   OVERLAY CONTENT
================================ */
.portfolio-overlay h4 {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.portfolio-overlay p {
  font-size: 16px;
  color: #e5e7eb;
  margin-bottom: 20px;
}

/* ===============================
   SMALL BUTTON
================================ */
.btn-small {
  padding: 10px 22px;
  font-size: 14px;
  border-radius: 40px;
}

/* ===============================
   RESPONSIVE
================================ */
@media (max-width: 992px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-img img {
    height: 280px;
  }
}

@media (max-width: 576px) {
  .portfolio-preview {
    padding: 60px 0;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .portfolio-img img {
    height: 240px;
  }
}