.about {
  padding: 80px 20px;
  background: radial-gradient(circle at top, #171727, #0f0f17);
  border-radius: 20px;
  line-height: 1.8;
  font-size: 17px;
  color: #fff; 
  margin-left: auto;
  margin-right: auto;
}

.about h2 {
  font-size: 36px;
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.2;
  position: relative;
}

.about h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: #66ccff;
  margin: 15px auto 0 auto;
  border-radius: 2px;
}

.about p,
.service-details p {
  margin-bottom: 25px;
  text-align: center; 
}

@media screen and (max-width: 600px) {
  .about,
  .service-details {
    padding: 60px 16px;
  }

  .about h2 {
    font-size: 28px;
  }

  .about p,
  .service-details p {
    font-size: 16px;
    line-height: 1.6;
  }

  .about h2::after {
    width: 40px;
  }
}