:root {
  --color-blue: #1862ff;
  --color-bg-gray: #eceff8;
  --color-text-gray: #6f7481;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

h2,
h3 {
  font-weight: 400;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

body {
  background: #f3f4f9;
  font-family: "Inter", sans-serif;
  font-size: 18px;
}

.container {
  max-width: 1180px;
  margin: 50px auto;
  padding: 0 20px;
}

.container-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px 20px;
}

.option-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.option-row__check {
  background-color: var(--color-blue);
}

.option-row__check--secondary {
  background-color: white;
}

.option-row__check:hover {
  filter: brightness(1.2);
}

.option-row__check:active {
  background: color-mix(in srgb, var(--color-blue), black 10%);
}

.option-row__icon--white {
  visibility: hidden;
  opacity: 0;
}

.option-row__icon--blue {
  opacity: 1;
}

.option-row__check--secondary:hover .option-row__icon--white,
.option-row__check--secondary:active .option-row__icon--white {

  visibility: visible;
  opacity: 1;
}


.option-row__check--secondary:hover .option-row__icon--blue,
.option-row__check--secondary:active .option-row__icon--blue {
  visibility: hidden;
  opacity: 0;

}

.option-row__check--secondary:hover {
  background-color: var(--color-blue);
  filter: brightness(1.2);
}

.option-row__check--secondary:active {
  background-color: var(--color-blue);
  background: color-mix(in srgb, var(--color-blue), black 10%);
}

.option-row__left {
  display: flex;
  align-items: center;
}

.option-row__check {
  height: 25px;
  aspect-ratio: 1;
  border-radius: 50%;
  margin-right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.option-row__icon {
  width: 20px;
  height: 20px;
  transition: all .3s ease;
  position: absolute;;
}

.tariffs {
  position: relative;
}

.tariffs__background {
  position: absolute;
  top: -20px;
  right: 20%;
  z-index: -1;
  height: 180px;
}

.tariffs__title {
  font-size: 44px;
  margin-bottom: 40px;
}

.tariffs__title-accent {
  color: var(--color-blue);
}

.tariffs__cards {
  margin-bottom: 30px;
}

.tariffs-card {
  background: rgba(250, 251, 253, 0.8);
  border-radius: 10px;
  padding: 38px 34px 20px 34px;
  display: flex;
  flex-direction: column;
  box-shadow: 3px 3px 20px -10px rgba(0, 0, 0, 0.15);
  border: #fafbfd 1px solid;
  backdrop-filter: blur(5px);
}

.tariffs-card__title {
  margin-bottom: 32px;
  font-size: 19px;
}

.tariffs-card__price {
  background: var(--color-bg-gray);
  border-radius: 10px;
  display: flex;
  position: relative;
  justify-content: space-between;
  padding: 15px 20px;
  color: var(--color-blue);
  margin-bottom: 10px;
}

.tariffs-card__button {
  position: absolute;
  right: 0;
  top: 0;
  background: var(--color-blue);
  height: 100%;
  aspect-ratio: 1;
  border-radius: 10px;
  transition: all 0.15s ease;
}

.tariffs-card__button:hover {
  filter: brightness(1.2);
}

.tariffs-card__button:active {
  background: color-mix(in srgb, var(--color-blue), black 10%);
}


.tariffs-card__list {
  color: var(--color-text-gray);
}

.tariffs-card__item:last-child {
  border-bottom: none;
}

.tariffs-card__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  border-bottom: var(--color-bg-gray) 1px solid;
}

/*  */

.tariffs__additional {
  background: var(--color-bg-gray);
  padding: 25px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 10px;
  color: var(--color-text-gray);
  width: 100%;
}


/*  */

@media (max-width: 1024px) {
  body {
    font-size: 16px;
  }

  .tariffs__title {
    font-size: 36px;
  }

  .container {
    max-width: 960px;
  }

  .container-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .container-grid--break> :nth-child(3) {
    grid-column: 1 / -1;
  }

  .tariffs__background {
    top: 10px;
    right: 40px;
    height: 120px;
  }

  .tariffs__additional {
    padding: 25px 20px;
  }

  .tariffs-card {
    padding: 30px 20px 10px 20px;
  }
}


@media (max-width: 768px) {
  .container {
    max-width: 100%;
  }

  .container-grid {
    grid-template-columns: 1fr;
  }

  .tariffs__background {
    top: 40px;
    right: 20px;
    height: 110px;
  }
}

@media (max-width: 480px) {
  .tariffs__background {
    top: 65px;
    right: 15px;
  }
}