body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(145deg, #0f0c29, #302b63, #24243e);
  color: white;
}

.section {
  padding: 4rem 1rem;
}

/* Fade-in animation base */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Expertise Grid Layout */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 4 columns */
  gap: 2rem;
  justify-items: center;
  align-items: center;
  margin-top: 3rem;
}


/* Grid Images */
.expertise-grid img {
  width: 200px;
  height: auto;
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Hover effect */
.expertise-grid img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
}


@media (max-width: 768px) {
  .expertise-grid {
    grid-template-columns: repeat(2, 1fr); /* Switch to 2 columns */
    gap: 1.5rem;
  }

  .expertise-grid img {
    width: 150px;
  }

  .section {
    padding: 2.5rem 1rem;
  }
}