.c-fiber-promo {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px 16px;
  background-color: #F5F5F5;
}

.c-fiber-promo__intro {
  text-align: center;
}

.c-fiber-promo__title {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.3;
  margin: 0 0 8px;
}

.c-fiber-promo__subtitle {
  font-size: 14px;
  color: #4d4d4d;
  margin: 0;
}

.c-fiber-promo__cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.c-fiber-promo__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background-color: #ffffff;
  border-radius: 16px;
  padding: 24px 16px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.c-fiber-promo__card-title {
  font-size: 17px;
  color: var(--blue2);
  margin: 0;
}

.c-fiber-promo__card-desc {
  font-size: 13px;
  color: #4d4d4d;
  line-height: 1.4;
  margin: 0;
}

.c-fiber-promo__card-price {
  font-size: 16px;
  color: #1a1a1a;
  margin: 0;
}

.c-fiber-promo__card-price strong {
  font-size: 26px;
}

.c-fiber-promo__card-cta {
  display: block;
  background-color: var(--blue2);
  color: #ffffff;
  padding: 12px 32px;
  border-radius: 24px;
  text-decoration: none;
  font-size: 14px;
  width: 100%;
}

@media (min-width: 481px) {
  .c-fiber-promo__title {
    font-size: 24px;
  }

  .c-fiber-promo__subtitle {
    font-size: 15px;
  }

  .c-fiber-promo__card-title {
    font-size: 18px;
  }

  .c-fiber-promo__card-desc {
    font-size: 14px;
  }

  .c-fiber-promo__card-cta {
    font-size: 15px;
    padding: 8px 16px;
  }
}

@media (min-width: 769px) {
  .c-fiber-promo {
    padding: 40px 16px;
  }

  .c-fiber-promo__cards {
    flex-direction: row;
    justify-content: center;
  }

  .c-fiber-promo__card {
    flex: 1;
    max-width: 370px;
  }
}

@media (min-width: 1025px) {
  .c-fiber-promo {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 48px .8rem;
    max-width: 1200px;
    margin: 0 auto;
  }

  .c-fiber-promo__intro {
    flex: 0 0 auto;
    max-width: 500px;
    text-align: center;
  }

  .c-fiber-promo__title {
    font-size: 27px;
  }

  .c-fiber-promo__cards {
    flex: 1 1 auto;
    max-width: 750px;
  }
}