:root {
  --primary-text-color: #111;
  --secondary-text-color: #555;
  --primary-color: #4a90e2;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  background: #f4f6f8;
  color: var(--primary-text-color);
  font-size: 1rem;
}

ul,
ol {
  padding-left: 1.6rem;
}

@media (max-width: 767px) {
  body {
    font-size: 1.2rem;
  }
}

@media (min-width: 768px) {
  body {
    font-size: 1.6rem;
  }
}

.text-link {
  color: var(--primary-color);
  text-decoration: none;
}

.small-text {
  color: var(--secondary-text-color);
  font-size: 1.4rem;
}

.button {
  border: none;
  background: transparent;
  font-size: 2rem;
  color: var(--primary-text-color);
  text-decoration: none;
  cursor: pointer;
}

.button--primary {
  background: var(--primary-text-color);
  color: white;
}

.button--outline {
  border: 1px solid var(--primary-text-color);
  background: transparent;
  color: var(--primary-text-color);
}

.button--m {
  border-radius: 3rem;
  padding: 1.4rem 2.8rem;
  font-size: 2rem;
}

.highlight {
  color: var(--primary-color);
}

.header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header__logo {
  display: inline-flex;
  align-items: center;
  padding-left: calc(1.24 * 2.4rem + 0.4rem);
  background: left center / contain no-repeat url("assets/logo.png");
  height: 2.4rem;
  color: var(--primary-text-color);
  text-decoration: none;
  overflow: hidden;
}

.header__link {
  margin-left: 0.8rem;
  text-decoration: none;
  color: var(--secondary-text-color);
}

@media (max-width: 767px) {
  .header__logo {
    width: calc(1.24 * 2.4rem);
  }
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 4.5rem 2rem;
  height: calc(100vh - 6.4rem);
  background: center / cover no-repeat url("assets/hero.jpeg");
  z-index: 100;
}

.hero__title {
  font-size: 4.8rem;
  font-weight: 600;
  line-height: 1.2;
  color: white;
  text-align: center;
}

.hero__connect {
  display: inline-flex;
  align-items: center;
  column-gap: 1.2rem;
  margin-top: 3.2rem;
}

.hero__connect-tg {
  color: var(--primary-color);
  height: 2rem;
  width: 2rem;
}

.privileges {
  display: grid;
  gap: 2.4rem;
  margin: 0 auto;
  padding: 4.5rem 2rem;
  max-width: 1200px;
}

.privileges__title {
  text-align: center;
}

.privileges__card {
  display: flex;
  align-items: center;
  column-gap: 1.2rem;
  border-radius: 1.2rem;
  padding: 1.6rem;
  background: #fff;
}

@media (min-width: 768px) {
  .privileges {
    grid-template-columns: 1fr 1fr;
  }

  .privileges__title {
    grid-column: 1 / 3;
  }
}

.tariffs {
  display: flex;
  flex-direction: column;
  row-gap: 2.4rem;
  margin: 0 auto;
  padding: 4.5rem 2rem;
  max-width: 1200px;
}

.tariffs__title {
  text-align: center;
}

.tariffs__autocomplete {
  display: flex;
  flex-direction: column;
  row-gap: 1.2rem;
}

.tariffs__autocomplete-input:not(.ts-wrapper) {
  visibility: hidden;
  min-height: 4.4rem;
}

.tariffs_autocomplete-advices {
  display: flex;
  align-items: center;
  column-gap: 0.8rem;
  padding: 0 1.6rem;
  font-size: 1.4rem;
  color: var(--secondary-text-color);
}

.tariffs_autocomplete-advice {
  display: flex;
  align-items: center;
  column-gap: 0.4rem;
  color: var(--primary-text-color);
  cursor: pointer;
}

.tariffs_autocomplete-advice-flag {
  height: 2rem;
  width: 2rem;
  min-width: 2rem;
}

.tariffs__card-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.4rem;
}

.tariffs__card {
  flex: 0 0 calc((100% - (2 * 2.4rem)) / 3);
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  border-radius: 1.2rem;
  padding: 1.6rem;
  background: #fff;
}

.tariffs__card-title {
  grid-column: 1 / 3;
}

.tariffs__card-price {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--primary-color);
}

@media (max-width: 767px) {
  .tariffs_autocomplete-advice {
    border-radius: 50%;
    width: 2rem;
    overflow: hidden;
  }

  .tariffs__card {
    flex: 0 0 calc((100% - 2.4rem) / 2);
  }
}

@media (min-width: 768px) {
  .tariffs_autocomplete-advice {
    border: 1px solid #5555551f;
    border-radius: 0.4rem;
    padding: 0.4rem 0.8rem;
    background-color: #fff;
  }

  .tariffs__card {
    flex: 0 0 calc((100% - (2 * 2.4rem)) / 3);
  }
}

.how {
  display: grid;
  gap: 2.4rem;
  margin: 0 auto;
  padding: 4.5rem 2rem;
  max-width: 1200px;
}

.how__radio {
  display: none;
}

.how__title {
  grid-area: title;
  text-align: center;
}

.how__platform-selector {
  position: relative;
  grid-area: platform;
  display: flex;
  margin: 0 auto;
  padding: 0.4rem;
  border-radius: 1.6rem;
  width: min(36rem, 100%);
  background: #fff;
}

.how__platform-selector-label {
  flex: 1;
  text-align: center;
  padding: 0.4rem;
  cursor: pointer;
  font-weight: 500;
  color: var(--secondary-text-color);
  transition: color 0.3s ease;
  z-index: 1;
}

.how__platform-selector-indicator {
  position: absolute;
  top: 0.4rem;
  left: 0.4rem;
  height: calc(100% - 0.8rem);
  width: calc(50% - 0.4rem);
  border-radius: 1.6rem;
  background: var(--primary-color);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.how__step-list {
  grid-area: steps;
  display: none;
  flex-direction: column;
  row-gap: 1.6rem;
}

.how__step {
  display: flex;
  flex-direction: column;
  row-gap: 0.8rem;
  border-radius: 1.2rem;
  padding: 1.6rem;
  background: #fff;
  cursor: pointer;
}

.how__step-title {
  margin-bottom: 0.8rem;
}

.how__picture-box {
  grid-area: picture;
  display: flex;
  justify-content: center;
}

.how__picture {
  display: none;
  margin: 0 auto;
  max-height: 58rem;
  object-fit: contain;
}

#ios-2:checked ~ .how__platform-selector .how__platform-selector-indicator,
#ios-1:checked ~ .how__platform-selector .how__platform-selector-indicator,
#ios-3:checked ~ .how__platform-selector .how__platform-selector-indicator {
  transform: translateX(0);
}

#android-1:checked ~ .how__platform-selector .how__platform-selector-indicator,
#android-2:checked ~ .how__platform-selector .how__platform-selector-indicator,
#android-3:checked ~ .how__platform-selector .how__platform-selector-indicator,
#android-4:checked ~ .how__platform-selector .how__platform-selector-indicator {
  transform: translateX(100%);
}

#ios-1:checked ~ .how__platform-selector .how__platform-selector-label--ios,
#ios-2:checked ~ .how__platform-selector .how__platform-selector-label--ios,
#ios-3:checked ~ .how__platform-selector .how__platform-selector-label--ios,
#android-1:checked
  ~ .how__platform-selector
  .how__platform-selector-label--android,
#android-2:checked
  ~ .how__platform-selector
  .how__platform-selector-label--android,
#android-3:checked
  ~ .how__platform-selector
  .how__platform-selector-label--android,
#android-4:checked
  ~ .how__platform-selector
  .how__platform-selector-label--android {
  color: #fff;
}

#ios-1:checked ~ .how__step-list--ios,
#ios-2:checked ~ .how__step-list--ios,
#ios-3:checked ~ .how__step-list--ios {
  display: grid;
}

#android-1:checked ~ .how__step-list--android,
#android-2:checked ~ .how__step-list--android,
#android-3:checked ~ .how__step-list--android,
#android-4:checked ~ .how__step-list--android {
  display: grid;
}

#ios-1:checked ~ .how__picture-box .how__picture--ios-1,
#ios-2:checked ~ .how__picture-box .how__picture--ios-2,
#ios-3:checked ~ .how__picture-box .how__picture--ios-3 {
  display: block;
}

#android-1:checked ~ .how__picture-box .how__picture--android-1,
#android-2:checked ~ .how__picture-box .how__picture--android-2,
#android-3:checked ~ .how__picture-box .how__picture--android-3,
#android-4:checked ~ .how__picture-box .how__picture--android-4 {
  display: block;
}

@media (max-width: 767px) {
  .how {
    grid-template-rows: auto;
    grid-template-areas: "title" "platform" "steps";
  }

  .how__picture-box {
    display: none;
  }

  .how__picture {
    display: block;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .how {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "title title"
      "platform platform"
      "steps picture";
  }
}

@media (min-width: 1024px) {
  .how {
    grid-template-columns: 2fr 1fr;
    grid-template-areas:
      "title title"
      "platform platform"
      "steps picture";
  }
}

.faq {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  margin: 0 auto;
  padding: 4.5rem 2rem;
  max-width: 1200px;
}

.faq__checkbox {
  display: none;
}

.faq__title {
  text-align: center;
}

.faq__question {
  border-radius: 1.2rem;
  padding: 1.2rem 1.6rem;
  background: #fff;
  cursor: pointer;
}

.faq__question-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  column-gap: 0.8rem;
}

.faq__question-arrow {
  flex: 0 0 auto;
  height: 2.4rem;
  width: 2.4rem;
  color: var(--primary-color);
  transform: rotate(180deg);
  transition: transform 0.35s ease;
}

.faq__answer {
  padding-top: 0;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.4s ease;
  text-align: justify;
}

.faq__checkbox--faq-1:checked ~ .faq__question .faq__question-arrow--faq-1,
.faq__checkbox--faq-2:checked ~ .faq__question .faq__question-arrow--faq-2,
.faq__checkbox--faq-3:checked ~ .faq__question .faq__question-arrow--faq-3,
.faq__checkbox--faq-4:checked ~ .faq__question .faq__question-arrow--faq-4,
.faq__checkbox--faq-5:checked ~ .faq__question .faq__question-arrow--faq-5,
.faq__checkbox--faq-6:checked ~ .faq__question .faq__question-arrow--faq-6 {
  transform: rotate(0deg);
}

.faq__checkbox--faq-1:checked ~ .faq__question .faq__answer--faq-1,
.faq__checkbox--faq-2:checked ~ .faq__question .faq__answer--faq-2,
.faq__checkbox--faq-3:checked ~ .faq__question .faq__answer--faq-3,
.faq__checkbox--faq-4:checked ~ .faq__question .faq__answer--faq-4,
.faq__checkbox--faq-5:checked ~ .faq__question .faq__answer--faq-5,
.faq__checkbox--faq-6:checked ~ .faq__question .faq__answer--faq-6 {
  padding-top: 1.2rem;
  max-height: 100rem;
}

.fab {
  position: sticky;
  bottom: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  column-gap: 1.2rem;
  padding: 0 2rem 2rem;
  pointer-events: none;
  z-index: 10;
}

.fab__connect {
  display: inline-flex;
  align-items: center;
  column-gap: 1.2rem;
  pointer-events: auto;
}

.fab__connect-tg {
  color: var(--primary-color);
  height: 2rem;
  width: 2rem;
}

.fab__up {
  display: inline-flex;
  border-radius: 50%;
  padding: 1rem;
  pointer-events: auto;
}

.fab__up-arrow {
  height: 2.8rem;
  width: 2.8rem;
  transform: rotate(180deg);
  color: var(--primary-text-color);
}

@media (max-width: 767px) {
  .fab {
    justify-content: center;
  }
}

.footer {
  background: #111;
  color: #aaa;
}

.footer__container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2.4rem;
  margin: 0 auto;
  padding: 4.5rem 2rem;
  max-width: 1200px;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  padding-left: calc(1.24 * 2.4rem + 0.4rem);
  background: left center / contain no-repeat url("assets/logo.png");
  height: 2.4rem;
  color: #fff;
  text-decoration: none;
  overflow: hidden;
}

.footer__column {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.footer__link {
  text-decoration: none;
  color: #fff;
  text-decoration: none;
  transition: 0.3s ease;
}

.footer__ads {
  margin: 0 auto;
  padding: 0 2rem 2rem;
  max-width: 1200px;
  text-align: center;
}

@media (max-width: 767px) {
  .footer__column {
    flex: 0 0 calc(50% - (1.2rem / 2));
    margin-left: auto;
  }
}