.hero-section {
  height: 300px; /* tinggi area hero, bisa kamu sesuaikan */
  display: flex;
  justify-content: center;  /* rata tengah secara horizontal */
  align-items: center;      /* rata tengah secara vertikal */
  background: linear-gradient(180deg, #004d4d 0%, #004d4d 100%);
  border-radius: 0 0 30px 30px;
  color: white;
  text-align: center;
}

.hero-section h1 {
  font-size: 64px;
  font-weight: 700;
  margin: 0;
}

.main-nav a {
  color: #ffffff;
  font-weight: 500;
  position: relative;
  transition: all 0.25s ease;
}

.main-nav a:hover {
  color: #7fdad1; /* toska hover */
}

.main-nav a.active {
  color: #7fdad1; /* toska AQUARA */
  font-weight: 700;
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    90deg,
    #2fb8ac,
    #7fdad1
  );
  border-radius: 2px;
}