.about-us {
  background-color: #FFFFFF;
  color: #1F2933;
  padding: 80px 20px;
  font-family: Arial, sans-serif;
}

.about-us h2 {
  text-align: center;
  font-size: 3rem;
  color: #1E90FF;
  margin-bottom: 30px;
}

.about-us .intro {
  max-width: 900px;
  margin: 0 auto 50px auto;
  font-size: 1.3rem;
  line-height: 1.8;
  text-align: center;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.about-item {
  text-align: center;
  padding: 20px;
  border-radius: 12px;
  transition: transform 0.3s, box-shadow 0.3s;
  background-color: #f5f9ff;
}

.about-item img {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
}

.about-item h3 {
  color: #0B1C2D;
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.about-item p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #1F2933;
}

.about-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* Responsive */
@media(max-width:768px){
  .about-us h2 {
    font-size: 2.2rem;
  }
  .about-us .intro {
    font-size: 1.1rem;
    padding: 0 10px;
  }
  .about-item h3 {
    font-size: 1.3rem;
  }
  .about-item p {
    font-size: 1rem;
  }
}