.sentri {
  width: 100%;
  background-color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.sentri .content-box {
  width: 90%;
}

.sentri .header-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(0.25turn, #003d7c, #000);
  border-radius: 20px;
  padding: 20px;
  color: #fff;
  margin-top: 50px;
  max-width: 1600px;
}

.sentri .header-box .column-section {
  display: flex;
  justify-content: center;
  align-items: center;
}

.sentri .header-box h1 {
  font-size: 98px;
  margin: 0;
}

.sentri .header-box img {
  width: auto;
  height: 600px;
}

.sentri .header-box .slogan {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  text-align: center;
}

.sentri .header-box .slogan p {
  margin: 0;
  font-size: 35px;
}

@media (max-width: 1110px) {
  .sentri .header-box h1 {
    font-size: 80px;
  }

  .sentri .header-box img {
    height: 550px;
  }

  .sentri .header-box .slogan p {
    font-size: 30px;
  }
}

@media (max-width: 975px) {
  .sentri .header-box h1 {
    font-size: 65px;
  }

  .sentri .header-box img {
    height: 500px;
  }

  .sentri .header-box .slogan p {
    font-size: 22px;
  }
}

@media (max-width: 888px) {
  .sentri .header-box h1 {
    font-size: 62px;
  }

  .sentri .header-box img {
    height: 400px;
  }

  .sentri .header-box .slogan p {
    font-size: 20px;
  }
}

@media (max-width: 781px) {
  .sentri .header-box h1 {
    font-size: 52px;
  }

  .sentri .header-box img {
    height: 350px;
  }

  .sentri .header-box .slogan p {
    font-size: 18px;
  }
}

@media (max-width: 640px) {
  .sentri .header-box h1 {
    font-size: 42px;
  }

  .sentri .header-box img {
    height: 250px;
  }

  .sentri .header-box .slogan {
    gap: 8px;
  }

  .sentri .header-box .slogan p {
    font-size: 15px;
  }
}

@media (max-width: 515px) {
  .sentri .header-box h1 {
    font-size: 36px;
  }

  .sentri .header-box img {
    height: 200px;
  }

  .sentri .header-box .slogan p {
    font-size: 13px;
  }
}

@media (max-width: 475px) {
  .sentri .header-box h1 {
    font-size: 28px;
  }

  .sentri .header-box img {
    height: 180px;
  }

  .sentri .header-box .slogan p {
    font-size: 12px;
  }
}

@media (max-width: 375px) {
  .sentri .header-box h1 {
    font-size: 22px;
  }

  .sentri .header-box img {
    height: 180px;
  }

  .sentri .header-box .slogan p {
    font-size: 11px;
  }
}

.sentri .smartest-way {
  width: 100%;
  background: linear-gradient(35deg, #deeeff 25%, #fff 40%);
  display: flex;
  justify-content: center;
}

.sentri .smartest-way .box {
  width: 90%;
  max-width: 1600px;
}

.sentri h2 {
  font-size: 86px;
  line-height: 85px;
}

.sentri .smaller-h2 {
  font-size: 60px;
  line-height: 62px;
  margin: 0;
}

.sentri .smartest-way h2 {
  text-align: center;
  margin: auto;
}

.sentri .smartest-way .content-container {
  display: flex;
  padding: 0;
}

.sentri .smartest-way .image-box {
  display: flex;
  justify-content: center;
}

.sentri .smartest-way img {
  width: auto;
  height: 600px;
}

.sentri .smartest-way .accordions-box {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.sentri .accordion {
  width: 100%;
}

.sentri .divider {
  border-bottom: 1px solid;
}

.sentri .accordion-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
}

.sentri .accordion-summary span {
  font-weight: normal;
}

.sentri .accordion-summary .icon {
  font-family: "Arial", "Helvetica", "sans-serif";
  font-weight: bold;
  font-style: normal;
  font-size: 1em;
  transition: transform 0.3s ease;
}

.sentri .accordion.open .accordion-summary .icon {
  transform: rotate(90deg);
}

.sentri h3 {
  font-size: 32px;
  font-weight: 600;
}

.sentri .accordion .accordion-summary h3 {
  display: flex;
  gap: 15px;
  margin: 15px 0;
}

.sentri .accordion-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.5s ease;
}

.sentri p {
  font-size: 20px;
}

@media (max-width: 1110px) {
  .sentri h2 {
    font-size: 74px;
    line-height: 75px;
  }

  .sentri .smaller-h2 {
    font-size: 52px;
    line-height: 54px;
  }

  .sentri .smartest-way img {
    height: 550px;
  }

  .sentri h3 {
    font-size: 26px;
  }

  .sentri .accordion .accordion-summary {
    padding: 5px 0;
  }

  .sentri .accordion .accordion-summary h3 {
    gap: 10px;
  }

  .sentri p {
    font-size: 18px;
  }
}

@media (max-width: 975px) {
  .sentri h2 {
    font-size: 60px;
    line-height: 65px;
  }

  .sentri .smaller-h2 {
    font-size: 46px;
    line-height: 48px;
  }

  .sentri .smartest-way .content-container {
    padding: 0 50px;
  }

  .sentri .smartest-way img {
    height: 500px;
  }

  .sentri h3 {
    font-size: 20px;
  }

  .sentri .accordion .accordion-summary h3 {
    gap: 10px;
    margin: 12px 0;
  }

  .sentri p {
    font-size: 16px;
  }
}

@media (max-width: 888px) {
  .sentri h2 {
    font-size: 54px;
    line-height: 55px;
  }

  .sentri .smaller-h2 {
    font-size: 40px;
    line-height: 42px;
  }

  .sentri .smartest-way .content-container {
    padding: 0 40px;
  }

  .sentri .smartest-way img {
    height: 400px;
  }

  .sentri h3 {
    font-size: 18px;
  }

  .sentri .accordion .accordion-summary {
    padding: 0;
  }

  .sentri .accordion .accordion-summary h3 {
    gap: 8px;
    margin: 10px 0;
  }

  .sentri p {
    font-size: 15px;
  }
}

@media (max-width: 781px) {
  .sentri h2 {
    font-size: 46px;
    line-height: 48px;
  }

  .sentri .smaller-h2 {
    font-size: 32px;
    line-height: 35px;
  }

  .sentri .smartest-way .content-container {
    padding: 0 30px;
  }

  .sentri .smartest-way img {
    height: 350px;
  }

  .sentri h3 {
    font-size: 16px;
  }

  .sentri .accordion .accordion-summary h3 {
    gap: 8px;
    margin: 8px 0;
  }

  .sentri p {
    font-size: 14px;
  }
}

@media (max-width: 767px) {
  .sentri .smartest-way .content-container {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .sentri h2 {
    font-size: 36px;
    line-height: 35px;
  }

  .sentri .smaller-h2 {
    font-size: 22px;
    line-height: 25px;
  }

  .sentri .smartest-way .content-container {
    padding: 0 20px;
  }

  .sentri .smartest-way img {
    height: 250px;
  }

  .sentri .accordion .accordion-summary h3 {
    margin: 6px 0;
  }

  .sentri p {
    font-size: 12px;
  }
}

@media (max-width: 515px) {
  .sentri h2 {
    font-size: 30px;
    line-height: 32px;
  }

  .sentri .smaller-h2 {
    font-size: 20px;
    line-height: 22px;
  }

  .sentri .smartest-way .content-container {
    padding: 0 10px;
  }

  .sentri .smartest-way img {
    height: 200px;
  }

  .sentri p {
    font-size: 12px;
  }
}

@media (max-width: 475px) {
  .sentri h2 {
    font-size: 22px;
    line-height: 24px;
  }

  .sentri .smaller-h2 {
    font-size: 18px;
  }

  .sentri .smartest-way img {
    height: 180px;
  }

  .sentri p {
    font-size: 12px;
  }
}

@media (max-width: 375px) {
  .sentri h2 {
    font-size: 20px;
    line-height: 22px;
  }
}

.sentri .seconds-installation {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1600px;
}

.sentri .seconds-installation .image-box {
  position: relative;
  margin-top: 20px;
}

.sentri .seconds-installation .image-box img {
  max-width: 1000px;
  width: 100%;
  height: auto;
  border-radius: 15px;
}

.sentri .seconds-installation .image-box .image-text {
  position: absolute;
  bottom: 30px;
  right: 30px;
  color: white;
  padding: 5px 10px;
  border-radius: 4px;
  font-weight: bold;
}

.sentri .seconds-installation .image-box .image-text .number {
  font-size: 88px;
  margin: 0;
  line-height: 3.5rem;
}

.sentri .seconds-installation .image-box .image-text .seconds {
  font-size: 48px;
  margin: 0;
  line-height: 3.5rem;
}

.sentri .seconds-installation .image-box .image-text .installation {
  font-size: 56px;
  margin: 0;
  line-height: 3.5rem;
}

@media (max-width: 975px) {
  .sentri .seconds-installation .image-box .image-text .number {
    font-size: 80px;
  }

  .sentri .seconds-installation .image-box .image-text .seconds {
    font-size: 42px;
  }

  .sentri .seconds-installation .image-box .image-text .installation {
    font-size: 50px;
  }
}

@media (max-width: 888px) {
  .sentri .seconds-installation .image-box .image-text .number {
    font-size: 75px;
  }

  .sentri .seconds-installation .image-box .image-text .seconds {
    font-size: 36px;
  }

  .sentri .seconds-installation .image-box .image-text .installation {
    font-size: 44px;
  }
}

@media (max-width: 781px) {
  .sentri .seconds-installation .image-box .image-text .number {
    font-size: 68px;
  }

  .sentri .seconds-installation .image-box .image-text .seconds {
    font-size: 32px;
  }

  .sentri .seconds-installation .image-box .image-text .installation {
    font-size: 40px;
  }
}

@media (max-width: 640px) {
  .sentri .seconds-installation .image-box .image-text {
    bottom: 20px;
    right: 20px;
  }

  .sentri .seconds-installation .image-box .image-text .number {
    font-size: 55px;
    line-height: 2.5rem;
  }

  .sentri .seconds-installation .image-box .image-text .seconds {
    font-size: 24px;
    line-height: 2.5rem;
  }

  .sentri .seconds-installation .image-box .image-text .installation {
    font-size: 32px;
    line-height: 2.5rem;
  }
}

@media (max-width: 515px) {
  .sentri .seconds-installation .image-box .image-text {
    bottom: 10px;
    right: 10px;
  }

  .sentri .seconds-installation .image-box .image-text .number {
    font-size: 50px;
  }

  .sentri .seconds-installation .image-box .image-text .seconds {
    font-size: 22px;
  }

  .sentri .seconds-installation .image-box .image-text .installation {
    font-size: 28px;
  }
}

@media (max-width: 475px) {
  .sentri .seconds-installation .image-box .image-text .number {
    font-size: 40px;
  }

  .sentri .seconds-installation .image-box .image-text .seconds {
    font-size: 16px;
  }

  .sentri .seconds-installation .image-box .image-text .installation {
    font-size: 20px;
  }
}

.sentri .power-lines {
  position: relative;
  width: 100%;
  height: auto;
  display: flex;
  justify-content: center;
  max-width: 1600px;
}

.sentri .power-lines .img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  -webkit-mask-image: linear-gradient(to right,
      transparent 0,
      black 20%,
      black 85%,
      transparent 100%);
  mask-image: linear-gradient(to right,
      transparent 0,
      black 20%,
      black 85%,
      transparent 100%);
  margin-bottom: 70px;
}

.sentri .power-lines .img-mobile {
  display: none;
  visibility: hidden;
}

.sentri .power-lines .content {
  position: absolute;
  top: 0;
  left: 30px;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  max-width: 55%;
}

.sentri .power-lines .content .smaller-h2 .thinner {
  font-weight: 600;
}

.sentri .power-lines .content .description {
  margin: 5px 0 15px;
}

.sentri .power-lines .content .key {
  margin-bottom: 0;
}

@media (max-width: 1600px) {
  .sentri .power-lines .img {
    -webkit-mask-image: none;
    mask-image: none;
  }
}

@media (max-width: 781px) {
  .sentri .power-lines .img {
    margin-bottom: 80px;
  }
}

@media (max-width: 680px) {
  .sentri .power-lines .content {
    justify-content: end;
  }
}

@media (max-width: 640px) {
  .sentri .power-lines {
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .sentri .power-lines .img {
    display: none;
    visibility: hidden;
  }

  .sentri .power-lines .img-mobile {
    visibility: visible;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
  }

  .sentri .power-lines .content {
    position: relative;
    left: 0;
    width: 90%;
    max-width: none;
    padding: 0;
  }
}

.sentri .advantages {
  max-width: 1600px;
}

.sentri .advantages .image-box img {
  border-radius: 25px;
  width: 100%;
  height: 650px;
  object-fit: cover;
  object-position: top;
  mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}

.sentri .advantages .image-text {
  width: 100%;
  text-align: center;
  padding: 0 10px 30px;
}

.sentri .advantages .image-text .titles {
  margin-bottom: 15px;
}

.sentri .advantages .image-text p {
  margin: 0;
}

@media (max-width: 1410px) {
  .sentri .advantages .image-box img {
    height: 500px;
  }
}

@media (max-width: 1210px) {
  .sentri .advantages .image-box img {
    height: 450px;
  }
}

@media (max-width: 991px) {
  .sentri .advantages .image-box img {
    height: 400px;
  }
}

@media (max-width: 888px) {
  .sentri .advantages .image-box img {
    height: 350px;
  }
}

@media (max-width: 768px) {
  .sentri .advantages .image-box img {
    height: 550px;
  }
}

@media (max-width: 640px) {
  .sentri .advantages .image-box img {
    height: 400px;
  }
}

@media (max-width: 475px) {
  .sentri .advantages .image-box img {
    height: 350px;
  }
}

.sentri .lightest-sensor {
  background: linear-gradient(0.25turn, #000, #003d7c);
  color: white;
  border-radius: 15px;
  max-width: 1600px;
  display: flex;
}

.sentri .lightest-sensor .corner {
  padding-left: 0;
}

.sentri .lightest-sensor img {
  width: auto;
  height: 700px;
  padding-bottom: 50px;
}

.sentri .lightest-sensor .text-box {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sentri .lightest-sensor .text-box .thin {
  font-weight: normal;
}

@media (max-width: 1250px) {
  .sentri .lightest-sensor img {
    height: 600px;
  }
}

@media (max-width: 1110px) {
  .sentri .lightest-sensor img {
    height: 500px;
  }
}

@media (max-width: 975px) {
  .sentri .lightest-sensor img {
    height: 400px;
  }
}

@media (max-width: 781px) {
  .sentri .lightest-sensor img {
    height: 350px;
  }
}

@media (max-width: 680px) {
  .sentri .lightest-sensor img {
    height: 275px;
  }
}

@media (max-width: 515px) {
  .sentri .lightest-sensor img {
    height: 200px;
  }
}

@media (max-width: 375px) {
  .sentri .lightest-sensor img {
    height: 175px;
  }
}

.sentri .board {
  width: 100%;
  background: linear-gradient(to top, #eff7ff, #fff);
}

.sentri .board .full-content {
  display: flex;
  margin: auto;
  max-width: 1600px;
}

.sentri .board .image-box {
  display: flex;
  align-items: end;
  padding: 0;
}

.sentri .board .image-box img {
  height: 800px;
  width: auto;
  -webkit-mask-image: linear-gradient(to right,
      transparent 0,
      black 5%,
      black 100%);
  mask-image: linear-gradient(to right, transparent 0, black 5%, black 100%);
}

.sentri .board .content-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 50px;
}

.sentri .board .content-box p {
  padding-bottom: 30px;
}

@media (max-width: 1600px) {
  .sentri .board .image-box img {
    -webkit-mask-image: none;
    mask-image: none;
  }
}

@media (max-width: 1110px) {
  .sentri .board .image-box img {
    height: 700px;
  }
}

@media (max-width: 975px) {
  .sentri .board .image-box img {
    height: 600px;
  }
}

@media (max-width: 888px) {
  .sentri .board .image-box img {
    height: 550px;
  }

  .sentri .board .content-box p {
    padding-bottom: 20px;
  }
}

@media (max-width: 768px) {
  .sentri .board .image-box img {
    height: 450px;
  }
}

@media (max-width: 680px) {
  .sentri .board .image-box img {
    height: 400px;
  }
}

@media (max-width: 640px) {
  .sentri .board .content-box {
    padding: 0 30px;
  }

  .sentri .board .image-box img {
    height: 325px;
  }

  .sentri .board .content-box p {
    padding-bottom: 10px;
  }
}

@media (max-width: 515px) {
  .sentri .board .content-box {
    padding: 20px;
  }

  .sentri .board .image-box img {
    height: 250px;
  }

  .sentri .board .content-box p {
    padding-bottom: 0;
  }
}

@media (max-width: 425px) {
  .sentri .board .content-box {
    padding: 15px;
  }

  .sentri .board .image-box img {
    height: 200px;
  }
}

.sentri .characteristics {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1600px;
}

.sentri .characteristics h2 {
  text-align: center;
}

.sentri .characteristics .accordions-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sentri .characteristics .accordions-container .accordion .cards-row {
  display: flex;
  flex-wrap: wrap;
  padding: 10px;
  margin-left: -10px;
  margin-right: -10px;
}

.cards-row>[class*="col-"] {
  display: flex;
}

.sentri .characteristics .accordions-container .accordion .cards-row .card {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin: 5px -10px;
  padding: 15px;
  border-radius: 15px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

.sentri .characteristics .accordions-container .accordion .card p {
  margin-bottom: 5px;
}

.sentri .characteristics .button-container {
  width: 100%;
  display: flex;
  justify-content: end;
}

.sentri .demo {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(0.25turn, #003d7c, #000);
  color: white;
}

.sentri .demo .full-content {
  width: 90%;
  display: flex;
  margin: auto;
  max-width: 1600px;
}

.sentri .demo .full-content h2 .thinner {
  font-weight: 600;
}

.sentri .demo .text-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.sentri .demo .image-box {
  display: flex;
  justify-content: end;
}

.sentri .demo img {
  height: 500px;
  width: auto;
  margin-bottom: 50px;
}

@media (max-width: 1110px) {
  .sentri .demo img {
    height: 400px;
  }
}

@media (max-width: 975px) {
  .sentri .demo img {
    height: 300px;
  }
}

@media (max-width: 781px) {
  .sentri .demo img {
    height: 250px;
  }
}

@media (max-width: 640px) {
  .sentri .demo img {
    height: 200px;
  }
}

@media (max-width: 425px) {
  .sentri .demo img {
    height: 175px;
  }
}

@media (max-width: 375px) {
  .sentri .demo img {
    height: 150px;
  }
}