* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif, 'KohinoorDemi';
  background-color: #ffffff;
  color: #333;
}

.container {
  max-width: 1800px;
  margin: 0 auto;
  padding: 0 20px;
  /* left & right spacing */
}

.container-sub {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  /* left & right spacing */
}

header {
  background: linear-gradient(to right, #ffffff, #6aa8d6);
  padding: 20px 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.banner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.logo {
  height: 200px;
  width: 200px;
  object-fit: contain;
}

.divider {
  height: 200px;
  width: 3px;
  background-color: #669aaf;
  margin: 0 20px;
}

.title-group {
  display: flex;
  flex-direction: column;
}

.main-title {
  font-size: 2.2rem;
  font-weight: bold;
  color: #355d84;
  font-family: 'Kohinoor-Bold';
}

.sub-title {
  font-size: 1.4rem;
  color: #FFAD00;
  font-weight: bold;
  margin-top: 20px;
  font-family: 'Kohinoor-Light';
}


@media (max-width: 700px) {
  .banner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .divider {
    display: none;
  }

  .title-group {
    margin-top: 10px;
  }

  .main-title {
    font-size: 1.5rem;
  }

  .sub-title {
    font-size: 1rem;
  }
}

main {
  padding: 20px 0;
}