html,
body {
  font-family: "Montserrat", serif;
  height: 100%;
  margin: 0;
  padding: 0;
  position: relative;
}

.header {
  padding: 0;
}

/* Секция promo */

.promo {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: #082948;
}

.promo__header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  width: 100%;
  padding: 32px 48px;
  box-sizing: border-box;
}

.header__container {
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.header__contact {
  display: flex;
  align-items: center;
}

.ntr__nav-link {
  display: block;
  width: 138px;
  height: auto;
}

.promo__background {
  position: relative;
  width: 100%;
  min-height: 612px;
  overflow: hidden;
}

.promo__bg {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  z-index: 0;
}

.promo__background::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    #082948 0%,
    #082948 8%,
    rgba(8, 41, 72, 0.96) 18%,
    rgba(60, 49, 119, 0.82) 32%,
    rgba(157, 67, 235, 0) 62%
  );
}

.promo__container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1440px;
  min-height: 612px;
  margin: 0 auto;
  padding: 140px 10px 104px 10px;
  box-sizing: border-box;
}

.promo__content {
  display: flex;
  align-items: flex-start;
}

.promo__main {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 580px;
  gap: 32px;
}

.promo__title {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  font-size: 40px;
  font-weight: 700;
  line-height: 130%;
  letter-spacing: -4%;
  color: #ffffff;
}

.promo__title span {
  display: block;
}

.promo__subtitle {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  line-height: 130%;
  letter-spacing: -4%;
  color: #ffffff;
}

.promo__description {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 29px;
  max-width: 580px;
}

.promo__description p {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
  line-height: 140%;
  letter-spacing: -2%;
  color: #ffffff;
}

.promo__actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 52px;
}

.promo__button {
  width: 170px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 7px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: #ffffff;
  text-decoration: none;
  box-sizing: border-box;
  cursor: pointer;
}

.promo__button--discuss {
  border: 2px solid #08b7f3;
  background-color: #08b7f3;
}

.promo__button--presentation {
  border: 2px solid #ffffff;
  background: transparent;
}

/* Секция system-work */

.system-work {
  padding: 120px 10px;
  background-color: #ffffff;
}

.system-work__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1172px;
  margin: 0 auto;
}

.system-work__title {
  margin: 0;
  text-align: center;
  font-size: 44px;
  font-weight: 700;
  line-height: 114%;
  letter-spacing: -2%;
  color: #041528;
}

.system-work__intro {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.system-work__intro-title {
  margin: 0;
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  line-height: 114%;
  letter-spacing: -2%;
  color: #041528;
}

.system-work__intro-text {
  margin: 20px 0 0;
  text-align: center;
  font-size: 20px;
  font-weight: 400;
  line-height: 150%;
  color: #041528;
  max-width: 928px;
}

.system-work__composition-title {
  margin: 60px 0 0;
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  line-height: 114%;
  letter-spacing: -2%;
  color: #041528;
}

.system-work__grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 68px;
}

.system-work__item {
  min-height: 320px;
  padding: 40px 60px 60px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  background-color: #e8f2ff;
  border-radius: 20px;
  box-sizing: border-box;
}

.system-work__icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.system-work__subtitle {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  line-height: 120%;
  color: #00a1ff;
}

.system-work__text {
  margin: 0;
  font-size: 16px;
  font-weight: 400;
  line-height: 140%;
  color: #041528;
}

/* Секция robo-features */

.robo-features {
  padding: 120px 10px;
  background: linear-gradient(90deg, #041528 0%, #0b1b3a 48%, #17366d 100%);
}

.robo-features__container {
  width: 100%;
  max-width: 746px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.robo-features__title {
  width: 100%;
  margin: 0;
  text-align: center;
  font-size: 44px;
  font-weight: 700;
  line-height: 114%;
  letter-spacing: -2%;
  color: #ffffff;
}

.robo-features__subtitle {
  margin: 20px 0 68px 0;
  text-align: center;
  font-size: 20px;
  font-weight: 400;
  line-height: 150%;
  letter-spacing: 0;
  color: #ffffff;
}

.robo-features__grid {
  width: 100%;
  max-width: 700px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.robo-features__item {
  width: 100%;
  min-height: 78px;
  padding: 20px 68px 20px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  background: rgba(180, 138, 228, 0.18);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 10px 28px -10px rgba(0, 0, 0, 0.15);
  border-radius: 18px;
  box-sizing: border-box;
}

.robo-features__icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #00b4ff;
}

.robo-features__icon img {
  display: block;
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.robo-features__text {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  line-height: 135%;
  letter-spacing: -1%;
  color: #ffffff;
}

/* Секция snow-process */

.snow-process {
  padding: 120px 10px;
  background-color: #ffffff;
}

.snow-process__container {
  width: 100%;
  max-width: 1184px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 384px 1fr;
  gap: 100px;
}

.snow-process__title {
  margin: 0;
  font-size: 44px;
  font-weight: 700;
  line-height: 114%;
  letter-spacing: -2%;
  color: #031d3b;
}

.snow-process__content {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.snow-process__intro {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.snow-process__intro-title {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  line-height: 150%;
  letter-spacing: -2%;
  color: #041528;
}

.snow-process__intro-text {
  max-width: 624px;
  margin: 0;
  font-size: 24px;
  font-weight: 400;
  line-height: 150%;
  color: #041528;
}

.snow-process__list {
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.snow-process__item {
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: center;
  gap: 36px;
}

.snow-process__number {
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e8f2ff;
  border-radius: 10px;
  font-size: 70px;
  font-weight: 500;
  line-height: 100%;
  color: #00a1ff;
}

.snow-process__item-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.snow-process__subtitle {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  line-height: 130%;
  color: #000000;
}

.snow-process__text {
  max-width: 100%;
  margin: 0;
  font-size: 14px;
  font-weight: 400;
  line-height: 140%;
  color: #000000;
}

.snow-process__bottom-text {
  font-size: 24px;
  font-weight: 400;
  line-height: 150%;
  letter-spacing: -2%;
  color: #041528;
}

.snow-process__performance {
  width: 100%;
  max-width: 1104px;
  margin: 100px auto 0;
}

.snow-process__performance-title {
  margin: 0 0 80px;
  font-size: 44px;
  font-weight: 700;
  line-height: 114%;
  letter-spacing: -2%;
  color: #031d3b;
}

.snow-process__performance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.snow-process__performance-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.snow-process__performance-value {
  width: 100%;
  min-height: 100px;
  padding: 20px 37px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e8f2ff;
  border-radius: 12px;
  box-sizing: border-box;
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  color: #00a1ff;
}

.snow-process__performance-value strong {
  margin: 0;
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
}

.snow-process__performance-text {
  margin: 0;
  font-size: 24px;
  font-weight: 400;
  line-height: 150%;
  letter-spacing: -2%;
  color: #041528;
}

/* Секция Process Check */
.process-check {
  padding: 120px 10px 316px 10px;
  background-color: #031d3b;
}

.process-check__container {
  max-width: 844px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
}

.process-check__title {
  text-align: center;
  margin: 0;
  font-size: 32px;
  font-weight: 400;
  line-height: 150%;
  letter-spacing: -2%;
  color: #ffffff;
}

.process-check__button {
  width: 200px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  border-radius: 8px;
  background-color: #00b4ff;
  color: #ffffff;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 26px;
  cursor: pointer;
}

@media (max-width: 1130px) {
  .snow-process__performance {
    max-width: 100%;
    box-sizing: border-box;
  }

  .snow-process__performance-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .snow-process__performance-value {
    min-width: 0;
    padding: 20px 16px;

    font-size: clamp(28px, 3vw, 40px);

    white-space: normal;
    text-align: center;
  }

  .snow-process__performance-value strong {
    font-size: clamp(28px, 3vw, 40px);
  }

  .snow-process__performance-text {
    font-size: clamp(18px, 2vw, 24px);
  }
}

@media (max-width: 1024px) {
  .snow-process__container {
    gap: 60px;
  }

  .snow-process__title {
    font-size: 38px;
  }

  .snow-process__intro-text,
  .snow-process__bottom-text {
    font-size: 22px;
  }
}

@media (max-width: 900px) {
  .snow-process__performance-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .system-work__grid,
  .snow-process__container {
    grid-template-columns: 1fr;
  }

  .snow-process__title {
    text-align: center;
  }

  .snow-process__title br {
    display: none;
  }

  .snow-process__performance-title {
    font-size: 33px;
  }
}

@media (max-width: 600px) {
  .snow-process__performance-grid {
    grid-template-columns: 1fr;
  }

  .snow-process__performance-title {
    font-size: 32px;
  }
}

@media (max-width: 425px) {
  .promo__title {
    font-size: 36px;
  }

  .promo__subtitle {
    font-size: 26px;
  }

  .promo__actions {
    flex-direction: column;
  }

  .promo__button--discuss,
  .promo__button--presentation {
    width: 200px;
  }

  .system-work__title,
  .features__title {
    font-size: 42px;
  }

  .system-work__intro-title {
    font-size: 26px;
  }

  .system-work__item {
    padding: 20px;
  }

  .robo-features__item {
    padding: 17px;
  }

  .features__text {
    font-size: 16px;
  }

  .snow-process__item {
    grid-template-columns: 75px 1fr;
    gap: 20px;
  }

  .snow-process__number {
    width: 75px;
    height: 75px;
    font-size: 60px;
  }

  .snow-process__subtitle {
    font-size: 20px;
  }

  .snow-process__title {
    font-size: 36px;
  }

  .snow-process__performance-title {
    font-size: clamp(26px, 3vw, 30px);
  }
}