.checkout-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.checkout-intro {
  margin-bottom: var(--space-8);
}

.checkout-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.checkout-breadcrumb li + li::before {
  content: "/";
  margin: 0 var(--space-2);
  color: var(--color-gray-400);
}

.checkout-intro__heading {
  max-width: 720px;
}

.checkout-intro__trust {
  margin-top: var(--space-6);
}

.checkout-grid {
  display: grid;
  gap: var(--space-16);
}

.checkout-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.checkout-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.checkout-section__header {
  margin-bottom: var(--space-6);
}

.checkout-section__header--inline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
}

.checkout-section__subtitle {
  color: var(--color-text-muted);
  max-width: 52ch;
}

.checkout-card {
  padding: var(--space-12);
}

.checkout-order-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.checkout-order-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-10);
  align-items: flex-start;
}

.checkout-order-item__media img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.checkout-order-item__title {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-3);
}

.checkout-order-item__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkout-order-item__controls {
  margin-top: var(--space-6);
}

.checkout-quantity {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}

.checkout-qty-input {
  width: 4rem;
  text-align: center;
}

.checkout-qty-btn {
  padding-inline: var(--space-4);
}

.checkout-order-item__pricing {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-4);
}

.checkout-order-item__price {
  font-weight: 600;
}

.checkout-order-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  border-top: 1px solid var(--color-gray-100);
  padding-top: var(--space-8);
}

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.checkout-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
}

.checkout-form-grid--address {
  grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 0.75fr));
}

.checkout-form-field--narrow {
  max-width: 220px;
}

.checkout-form-field--checkbox .checkout-checkbox {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkout-form-field--checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
}

.checkout-delivery-visual,
.checkout-payment-visual,
.checkout-recommendations-visual {
  margin-bottom: var(--space-8);
}

.checkout-delivery-visual img,
.checkout-payment-visual img,
.checkout-recommendations-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
}

.checkout-delivery-options,
.checkout-payment-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.checkout-radio-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-4);
  align-items: flex-start;
  cursor: pointer;
}

.checkout-radio-option input[type="radio"] {
  margin-top: 0.3rem;
}

.checkout-radio-option__body {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  padding: var(--space-6);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
}

.checkout-radio-option__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.checkout-radio-option__title {
  font-weight: 600;
}

.checkout-radio-option__price {
  font-weight: 600;
}

.checkout-radio-option__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.checkout-radio-option__description {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.checkout-radio-option--compact .checkout-radio-option__body {
  padding: var(--space-5) var(--space-6);
}

.checkout-radio-option input[type="radio"]:checked + .checkout-radio-option__body {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
  background-color: var(--color-primary-soft);
}

.checkout-trust {
  margin-top: var(--space-6);
}

.checkout-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.checkout-trust-badge {
  border-radius: var(--radius-full);
  border: 1px solid var(--color-gray-200);
  padding: 0.2rem 0.7rem;
  font-size: var(--font-size-xs);
  background-color: var(--color-surface-muted);
}

.checkout-recommendations-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
  gap: var(--space-10);
  align-items: flex-start;
}

.checkout-recommendations-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-8);
}

.checkout-recommendation-title {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-3);
}

.checkout-recommendation-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkout-summary {
  position: sticky;
  top: var(--space-16);
}

.checkout-summary__header {
  margin-bottom: var(--space-6);
}

.checkout-summary-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.checkout-summary-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

.checkout-summary-row dt {
  color: var(--color-text-muted);
}

.checkout-summary-row dd {
  margin: 0;
}

.checkout-summary-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
}

.checkout-summary-total strong {
  font-size: var(--font-size-lg);
}

.checkout-summary-guarantee {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

.checkout-support__header {
  margin-bottom: var(--space-4);
}

.checkout-support-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
}

.checkout-support-label {
  font-weight: 600;
  display: block;
}

.checkout-support-value {
  color: var(--color-text-muted);
}

.checkout-support-btn {
  width: 100%;
}

.checkout-security-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.checkout-security-badge {
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-gray-200);
  font-size: var(--font-size-xs);
  background-color: var(--color-surface-muted);
}

.checkout-security__body h2 {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-4);
}

.checkout-submit {
  width: 100%;
  justify-content: center;
}

.checkout-payment-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.8fr);
  gap: var(--space-10);
  align-items: flex-start;
}

@media (max-width: 1024px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.2fr);
  }

  .checkout-recommendations-layout,
  .checkout-payment-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 880px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-summary {
    position: static;
  }
}

@media (max-width: 768px) {
  .checkout-form-grid,
  .checkout-form-grid--address {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-form-field--narrow {
    max-width: none;
  }

  .checkout-order-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-order-item__pricing {
    flex-direction: row;
    justify-content: space-between;
  }

  .checkout-section__header--inline {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .checkout-card {
    padding: var(--space-10);
  }

  .checkout-order-item__media img {
    width: 64px;
    height: 64px;
  }
}