:root {
  --color-primary: #fc7a22;
  --color-primary-hover: #e66a12;
  --color-text: #111;
  --color-text-secondary: #666;
  --color-border: #e6e6e6;
  --color-bg: #fff;
  --color-bg-secondary: #fafafa;
  --color-success: #10b981;
  --color-error: #ef4444;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.container {
  padding: 32px 20px;
  margin: 0 auto;
  max-width: 1100px;
}

.pricing__header {
  text-align: center;
  margin-bottom: 48px;
}
.pricing__title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}
.pricing__subtitle {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.pricing__controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.toggle__label {
  font-size: 14px;
  color: var(--color-text);
  font-weight: 500;
  user-select: none;
}
.toggle__switch {
  position: relative;
  width: 44px;
  height: 24px;
}
.toggle__input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.toggle__slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #ddd;
  transition: 0.3s;
  border-radius: 999px;
}
.toggle__slider:before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  transition: 0.3s;
  border-radius: 50%;
}
.toggle__input:checked + .toggle__slider {
  background: var(--color-primary);
}
.toggle__input:checked + .toggle__slider:before {
  transform: translateX(20px);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.pricing-card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card__header {
  margin-bottom: 24px;
}
.pricing-card__title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}
.pricing-card__description {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.pricing-card__price-wrapper {
  margin-bottom: 24px;
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
}
.pricing-card__amount {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-text);
}
.pricing-card__currency {
  font-size: 18px;
  color: var(--color-text-secondary);
  font-weight: 500;
}
.pricing-card__savings {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ecfdf5;
  color: var(--color-success);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-top: 8px;
}
.pricing-card__total {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

.pricing-card__features {
  list-style: none;
  flex-grow: 1;
  max-width: 240px;
  margin: 0 0 32px 0 !important;
  padding: 0;
}
.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--color-text);
}
.pricing-card__feature-icon {
  color: var(--color-primary);
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  padding-right: 10px;
}

.pricing-card__cta {
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  text-align: center;
  display: block;
}
.pricing-card__cta--primary {
  background: var(--color-primary);
  color: #fff;
}
.pricing-card__cta--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.pricing-card__cta--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.pricing-card__cta--secondary:hover {
  background: var(--color-primary);
  color: #fff;
}

.pricing-builder {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.pricing-builder__title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-text);
}
.pricing-builder__inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}
.pricing-builder__field {
  display: flex;
  flex-direction: column;
}
.pricing-builder__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}
.pricing-builder__input {
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 16px;
  transition: border-color 0.2s;
}
.pricing-builder__input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.pricing-builder__result {
  background: var(--color-bg-secondary);
  padding: 24px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}
.pricing-builder__calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 0fr));
  gap: 20px;
}
.pricing-builder__calc-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.pricing-builder__calc-label {
  font-size: 13px;
  font-weight: 500;
}
.pricing-builder__calc-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
}
.pricing-builder__calc-unit {
  font-size: 16px;
  color: var(--color-text-secondary);
}

.pricing-builder__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.pricing-builder__btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.pricing-builder__btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.pricing-builder__btn--primary:hover {
  background: var(--color-primary-hover);
}
.pricing-builder__btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.pricing-builder__btn--secondary:hover {
  background: var(--color-primary);
  color: #fff;
}

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}
.modal-overlay.active {
  display: flex;
}
.modal-content {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--color-bg-secondary);
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
  color: var(--color-text-secondary);
  transition: all 0.2s;
}
.modal-close:hover {
  background: var(--color-border);
  color: var(--color-text);
}
.modal-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-text);
}

.modal-form-group {
  margin-bottom: 20px;
}
.modal-form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}
.modal-form-group .required {
  color: var(--color-error);
}
.modal-form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  transition: all 0.2s;
}
.modal-form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
}
.modal-form-group input.error {
  border-color: var(--color-error);
  background: #fef2f2;
}
.modal-form-group input.success {
  border-color: var(--color-success);
  background: #f0fdf4;
}

.modal-error {
  display: none;
  color: var(--color-error);
  font-size: 13px;
  margin-top: 6px;
}
.modal-error.show {
  display: block;
}
.modal-success {
  display: none;
  color: var(--color-success);
  font-size: 13px;
  margin-top: 6px;
  font-weight: 500;
}
.modal-success.show {
  display: block;
}
.modal-success::before {
  content: "✓ ";
  font-weight: 700;
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}
.modal-actions button {
  flex: 1;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.modal-btn-submit {
  background: var(--color-primary);
  color: #fff;
}
.modal-btn-submit:hover {
  background: var(--color-primary-hover);
}
.modal-btn-submit:disabled {
  background: var(--color-border);
  cursor: not-allowed;
}
.modal-btn-cancel {
  background: var(--color-bg-secondary);
  color: var(--color-text);
}
.modal-btn-cancel:hover {
  background: var(--color-border);
}

.alert {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-top: 20px;
  font-size: 14px;
  font-weight: 500;
}
.alert.ok {
  background: #ecfdf5;
  color: var(--color-success);
  border: 1px solid var(--color-success);
}
.alert.err {
  background: #fef2f2;
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

@media (max-width: 768px) {
  .pricing {
    padding: 40px 16px;
  }
  .pricing__title {
    font-size: 28px;
  }
  .pricing__grid {
    grid-template-columns: 1fr;
  }
  .pricing-builder {
    padding: 24px;
  }
  .pricing-builder__inputs {
    grid-template-columns: 1fr;
  }
  .pricing-builder__calc-grid {
    grid-template-columns: 1fr;
  }
}