.billing-switch {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: min(430px, 100%);
  margin: 0 auto 64px;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.035)),
    rgba(13, 11, 38, 0.72);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.24),
    inset 0 -1px 1px rgba(255, 255, 255, 0.04),
    0 18px 48px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  color: #aaa7bf;
  cursor: pointer;
  isolation: isolate;
}

.billing-switch::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 18px;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.09), transparent 38%, rgba(132, 84, 255, 0.12));
  pointer-events: none;
}

.billing-glider {
  position: absolute;
  z-index: 1;
  top: 6px;
  bottom: 6px;
  left: 6px;
  width: calc(50% - 6px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(111, 69, 255, 0.96), rgba(172, 101, 255, 0.82));
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.42),
    0 8px 26px rgba(83, 43, 205, 0.45);
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.billing-switch.annual .billing-glider {
  transform: translateX(100%);
}

.billing-choice {
  position: relative;
  z-index: 2;
  display: grid;
  place-content: center;
  min-height: 52px;
  border-radius: 14px;
  font: 600 14px Inter, sans-serif;
  transition: color 0.25s ease;
}

.billing-choice small {
  display: block;
  color: #a982ff;
  font-size: 9px;
  line-height: 1.2;
}

.billing-choice.active,
.billing-choice.active small {
  color: #fff;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.price-grid .price-card,
.price-grid .price-card:first-child,
.price-grid .price-card:last-child,
.price-grid .price-card:nth-child(3),
.price-grid .price-card.enterprise {
  padding: 32px 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: linear-gradient(155deg, rgba(20, 18, 52, 0.96), rgba(10, 9, 30, 0.88));
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22), inset 0 1px rgba(255, 255, 255, 0.03);
  overflow: visible;
}

.price-grid .price-card.featured {
  z-index: 2;
  transform: translateY(-8px);
  border-color: rgba(125, 81, 255, 0.8);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(34, 23, 81, 0.98), rgba(13, 12, 40, 0.98));
  box-shadow: 0 22px 52px rgba(76, 39, 180, 0.32), inset 0 1px rgba(255, 255, 255, 0.04);
}

.price-grid .price-card.enterprise {
  background: linear-gradient(160deg, rgba(24, 20, 58, 0.96), rgba(11, 10, 31, 0.88));
}

@media (max-width: 1050px) {
  .price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .price-grid .price-card.featured {
    transform: none;
  }
}

@media (max-width: 800px) {
  .price-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .price-grid .price-card.featured {
    margin-top: 22px;
  }

  .price-grid .price-card,
  .price-grid .price-card:first-child,
  .price-grid .price-card:last-child,
  .price-grid .price-card:nth-child(3),
  .price-grid .price-card.enterprise {
    padding: 22px 20px;
  }

  .price-grid .price-card h3 {
    margin-bottom: 5px;
    font-size: 17px;
  }

  .price-grid .price-card > p {
    min-height: 0;
    margin-bottom: 12px;
    font-size: 11px;
    line-height: 1.45;
  }

  .price-grid .price {
    min-height: 0;
    margin: 12px 0 0;
  }

  .price-grid .price strong {
    font-size: 30px;
  }

  .price-grid .price.consultation {
    min-height: 40px;
    margin-top: 8px;
  }

  .price-grid .price.consultation strong {
    font-size: 23px;
  }

  .price-grid .billing-note {
    min-height: 0;
    margin: 2px 0 12px;
    font-size: 9px;
    line-height: 1.4;
  }

  .price-grid .button {
    padding: 9px 12px;
    font-size: 12px;
  }

  .price-grid .price-card ul {
    margin-top: 14px;
  }

  .price-grid .price-card li {
    margin: 5px 0;
    font-size: 11px;
    line-height: 1.4;
  }

  .price-grid .enterprise-tag {
    margin-bottom: 7px;
  }
}

@media (max-width: 480px) {
  .billing-switch {
    margin-bottom: 52px;
  }

  .billing-choice {
    font-size: 13px;
  }

  .billing-choice small {
    font-size: 8px;
  }
}