.knowledge {
  background-color: #fff;
}
.knowledge .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 104px 24px 240px;
}
.knowledge .heading {
  max-width: 50%;
  margin-left: 0;
  margin-right: auto;
  text-align: left;
}
.knowledge .subtitle {
  text-align: left;
  font-size: 24px;
  font-weight: 700;
  line-height: 35px;
  color: #21CAEB;
  margin: 0;
  padding: 0;
}
.knowledge h2 {
  text-align: left;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1em;
}
.knowledge .grid-block {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: start;
  gap: 16px;
}
.knowledge .grid-block article {
  box-sizing: border-box;
  flex: 0 0 208px;
  max-width: 208px;
  padding: 0 12px;
  margin: 16px 0;
}
.knowledge .icon {
  width: 70px;
  height: 70px;
  display: flex;
  margin: 0 auto 40px;
  background: #E5E5E5;
  color: #555;
  text-align: center;
  font-size: 32px;
  border-radius: 100%;
  justify-content: center;
  align-items: center;
}
.knowledge h3 {
  font-size: 18px;
  line-height: 1.2;
  font-weight: normal;
  margin-bottom: 8px;
  text-align: center;
}

/* Breakpoints for responsive container */
@media (max-width: 1600px) {
  .knowledge .container {
    max-width: 1200px;
  }
  .knowledge .subtitle {
    font-size: 22px;
  }
  .knowledge h2 {
    font-size: 32px;
  }
  .knowledge h3 {
    font-size: 18px;
  }
  .knowledge .icon {
    font-size: 24px;
  }
}
@media (max-width: 992px) {
  .knowledge {
    padding: 40px 0 0;
  }
  .knowledge .container {
    padding: 0 16px 32px;
    max-width: 380px;
    margin: auto;
  }
  .knowledge .heading {
    max-width: 100%;
  }
  .knowledge .subtitle {
    font-size: 20px;
  }
  .knowledge h2 {
    font-size: 28px;
  }
  .knowledge .grid-block {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .knowledge .grid-block article {
    padding: 0;
    border-left: 0;
    padding-bottom: 32px;
    max-width: 100%;
    min-width: auto;
  }
  .knowledge .grid-block article .icon {
    margin-bottom: 32px;
  }
  .knowledge .grid-block article h3 {
    font-size: 18px;
  }
  .knowledge .grid-block article:last-child {
    padding-bottom: 0;
  }
}