.first-container {
  background-color: #f2f2f2;
}
.first-container .header-gradient-bg {
  background: linear-gradient(180deg, #252525 70%, #fff 50%);
}
.first-container .header-gradient-bg .header-bg {
  background-image: url("https://www.sherex.com/wp-content/uploads/Optisert-Home-Hero-v3.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: bottom right;
}
@media screen and (max-width: 1600px) {
  .first-container .header-gradient-bg .header-bg {
    background-image: url("https://www.sherex.com/wp-content/uploads/Hero-Image-Desktop-1.png");
  }
}
@media screen and (max-width: 599px) {
  .first-container .header-gradient-bg .header-bg {
    padding-bottom: 333px;
  }
}
.first-container .header-container {
  display: flex;
  color: #fff;
  padding: 20px;
  position: relative;
  flex-wrap: wrap;
}
.first-container .header-title-container {
  padding: 0 0 20px 30px;
  width: 100%;
}
.first-container .header-title-container h2 {
  margin-top: 0;
  padding: 20px 0;
  font-weight: normal;
  line-height: 35px;
}
.first-container .header-title-container h2 strong {
  font-weight: bold;
}
.first-container .header-title-container p {
  padding-bottom: 25px;
}
.first-container .header-title-container .btn, .first-container .header-title-container .btn-alt {
  max-width: 14.5rem;
  font-size: 14px;
}
.first-container .header-btn-container {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.first-container .box-header-container {
  display: flex;
  color: #fff;
  gap: 30px;
  flex-wrap: wrap;
  padding: 20px;
}
@media screen and (max-width: 959px) {
  .first-container .box-header-container {
    justify-content: center;
  }
}
.first-container .box-header-container .box-header {
  background-color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  border-radius: 8px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  color: #0e0e0e;
  padding: 20px;
}
.first-container .box-header-container .box-header img {
  width: 80px;
  height: 80px;
}

.row-container {
  display: flex;
  flex-direction: row;
  gap: 30px;
  flex-wrap: wrap;
  padding: 20px;
  margin: 10px 0;
  justify-content: center;
}
.row-container img {
  border-radius: 10px;
  width: 500px;
  height: 300px;
}
.row-container .btn {
  max-width: 220px;
  font-size: 14px;
}
.row-container div {
  width: calc(50% - 70px);
}
@media screen and (max-width: 959px) {
  .row-container div {
    width: 100%;
  }
}

.box-center-container {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  padding: 30px;
  justify-content: center;
  align-items: center;
}
.box-center-container .box-container {
  background-color: #1e509f;
  color: #fff;
  padding: 15px 10px 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  border-radius: 8px;
  aspect-ratio: 1;
  width: 150px;
  font-size: 13px;
}

.secound-container {
  background-color: #252525;
  color: #fff;
  padding: 20px;
  display: flex;
  margin: 10px;
  border-radius: 10px;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.secound-container .row-1 {
  background-color: #525252;
}
.secound-container .row-2 {
  background-color: #fff;
}
.secound-container .row-1, .secound-container .row-2 {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  border-radius: 8px;
  font-size: 13px;
  gap: 15px;
  min-width: 230px;
}
.secound-container .row-1 div, .secound-container .row-2 div {
  padding: 10px;
  background-color: #f2f2f2;
  color: #222222;
  border-radius: 8px;
  width: 100%;
  white-space: nowrap;
  cursor: pointer;
}
.secound-container .row-1 img, .secound-container .row-2 img {
  width: 100px;
  height: 100px;
}
.secound-container .row-1 .selected, .secound-container .row-2 .selected {
  font-weight: bold;
  color: #fff;
  background-color: #c23733;
}
.secound-container .row-3 {
  flex: 1;
  padding-left: 10px;
}
.secound-container .row-3 .btn {
  white-space: nowrap;
  max-width: 230px;
}

.third-container {
  display: flex;
  margin: 15px;
  border-radius: 10px;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.third-container .left-container {
  background-color: #f2f2f2;
  border-radius: 10px;
  flex: 1;
  padding: 30px;
  min-height: 385px;
  display: flex;
  gap: 20px;
  justify-content: space-between;
}
@media screen and (max-width: 959px) {
  .third-container .left-container {
    flex-wrap: wrap;
  }
}
.third-container .left-container .info-container {
  display: flex;
  flex-direction: column;
  justify-content: start;
  gap: 10px;
}
.third-container .left-container .info-container h3 {
  font-weight: normal;
  font-size: 1.5em;
}
.third-container .left-container .info-container h3 strong {
  font-weight: bold;
}
.third-container .left-container .info-container p {
  margin: 0;
  padding: 0;
  font-size: 14px;
}
.third-container .left-container .info-container img {
  width: 420px;
  border-radius: 10px;
}